local proxy, json

9 files changed, 927 insertions, 39 deletions

diff --git a/.gitignore b/.gitignore
index dc342af..21d35e1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -38,3 +38,5 @@ node_modules
 *.wav
 samples/
 
+.creds
+
diff --git a/bundle.js b/bundle.js
index 0e13fea..7944a56 100644
--- a/bundle.js
+++ b/bundle.js
@@ -22811,7 +22811,6 @@ function keydown(e) {
   if (!(e.keyCode in keys)) return;
   var index = keys[e.keyCode];
   if (e.shiftKey) index += letters.length;
-  index -= 7;
   callback(index);
 }
 
@@ -23190,6 +23189,10 @@ var _organ = __webpack_require__(6);
 
 var _organ2 = _interopRequireDefault(_organ);
 
+var _midi = __webpack_require__(17);
+
+var _midi2 = _interopRequireDefault(_midi);
+
 var _output = __webpack_require__(7);
 
 var _util = __webpack_require__(1);
@@ -23198,12 +23201,12 @@ var _primes = __webpack_require__(8);
 
 function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
 
-// import life from "./lib/life";
+/**
+ * Lambdoma Triangle
+ * @module index.js;
+ */
 
-var instrument = _kalimba2.default; /**
-                                     * Lambdoma Triangle
-                                     * @module index.js;
-                                     */
+var instrument = _kalimba2.default;
 
 var root = 440;
 var s = 50;
@@ -23224,6 +23227,7 @@ var notes = [];
 var base_x = 0;
 var base_y = 0;
 var is_split = false;
+var frequencies = void 0;
 
 (0, _util.requestAudioContext)(function () {
   var output = (0, _output.getOutput)();
@@ -23247,6 +23251,7 @@ function build() {
       notes[i][j] = add(i, j);
     }
   }
+  log();
 }
 function rebuild() {
   notes.forEach(function (row) {
@@ -23256,6 +23261,22 @@ function rebuild() {
   });
   build();
 }
+function log() {
+  var seen = {};
+  for (var i = 0; i < 8; i++) {
+    for (var j = 0; j < 8; j++) {
+      var rounded = (0, _util.roundFreq)(notes[i][j].frequency);
+      if (!seen[rounded]) {
+        seen[rounded] = notes[i][j].frequency;
+      }
+    }
+  }
+  frequencies = Object.values(seen).sort(function (a, b) {
+    return a - b;
+  });
+  console.log(frequencies);
+  console.log(frequencies.length, "unique frequencies in 8x8");
+}
 function play(freq) {
   if (!_organ2.default.isPlaying(freq.frequency)) {
     var frequency = freq.frequency;
@@ -23277,6 +23298,10 @@ function play(freq) {
 function trigger(freq) {
   instrument.play(freq.frequency);
 }
+function trigger_index(index) {
+  var frequency = frequencies[index];
+  instrument.play(frequency);
+}
 function pause(freq) {
   _organ2.default.pause(freq.frequency);
   var rounded = (0, _util.roundFreq)(freq.frequency);
@@ -23444,7 +23469,6 @@ function bind() {
 }
 
 function keydown(e) {
-  // console.log(e.keyCode)
   if (e.altKey || e.ctrlKey || e.metaKey) return;
   var step = 1;
   if (e.shiftKey) {
@@ -23471,23 +23495,15 @@ function keydown(e) {
       base_y += step;
       rebuild();
       break;
+    case 220:
+      // \
+      _midi2.default.enable(trigger_index);
+      break;
   }
 }
 window.addEventListener("keydown", keydown, true);
 
-_keys2.default.listen(function (index) {
-  index += 7;
-  var x = index % 7;
-  var y = Math.floor(index / 7);
-  var a = x;
-  var b = y + 1;
-  var freq = notes[a][b];
-  console.log(a / b, freq.frequency);
-  trigger(freq);
-  // const freq = scales.current().index(index)
-  // document.body.style.backgroundColor = color( index / scales.current().scale.length )
-  // instrument.toggle(freq)
-});
+_keys2.default.listen(trigger_index);
 
 /***/ }),
 /* 11 */
@@ -24048,6 +24064,740 @@ function keydown(e) {
 }
 window.addEventListener("keydown", keydown, true);
 
+/***/ }),
+/* 17 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+var _webmidi = __webpack_require__(19);
+
+function enable(play) {
+  _webmidi.WebMidi.enable().then(onEnabled).catch(function (error) {
+    return console.error(error);
+  });
+
+  // Function triggered when WEBMIDI.js is ready
+  function onEnabled() {
+    // Display available MIDI input devices
+    if (_webmidi.WebMidi.inputs.length < 1) {
+      console.log("No device detected.");
+      return;
+    } else {
+      _webmidi.WebMidi.inputs.forEach(function (device, index) {
+        document.body.innerHTML += index + ": " + device.name + " <br>";
+      });
+      var mySynth = _webmidi.WebMidi.inputs[0];
+      // const mySynth = WebMidi.getInputByName("TYPE NAME HERE!")
+
+      mySynth.channels[1].addListener("noteon", function (event) {
+        console.log(event.note);
+      });
+    }
+  }
+} /**
+   * MIDI
+   * @module midi.js;
+   */
+
+exports.default = { enable: enable };
+
+/***/ }),
+/* 18 */
+/***/ (function(module, exports) {
+
+// shim for using process in browser
+var process = module.exports = {};
+
+// cached from whatever global is present so that test runners that stub it
+// don't break things.  But we need to wrap it in a try catch in case it is
+// wrapped in strict mode code which doesn't define any globals.  It's inside a
+// function because try/catches deoptimize in certain engines.
+
+var cachedSetTimeout;
+var cachedClearTimeout;
+
+function defaultSetTimout() {
+    throw new Error('setTimeout has not been defined');
+}
+function defaultClearTimeout () {
+    throw new Error('clearTimeout has not been defined');
+}
+(function () {
+    try {
+        if (typeof setTimeout === 'function') {
+            cachedSetTimeout = setTimeout;
+        } else {
+            cachedSetTimeout = defaultSetTimout;
+        }
+    } catch (e) {
+        cachedSetTimeout = defaultSetTimout;
+    }
+    try {
+        if (typeof clearTimeout === 'function') {
+            cachedClearTimeout = clearTimeout;
+        } else {
+            cachedClearTimeout = defaultClearTimeout;
+        }
+    } catch (e) {
+        cachedClearTimeout = defaultClearTimeout;
+    }
+} ())
+function runTimeout(fun) {
+    if (cachedSetTimeout === setTimeout) {
+        //normal enviroments in sane situations
+        return setTimeout(fun, 0);
+    }
+    // if setTimeout wasn't available but was latter defined
+    if ((cachedSetTimeout === defaultSetTimout || !cachedSetTimeout) && setTimeout) {
+        cachedSetTimeout = setTimeout;
+        return setTimeout(fun, 0);
+    }
+    try {
+        // when when somebody has screwed with setTimeout but no I.E. maddness
+        return cachedSetTimeout(fun, 0);
+    } catch(e){
+        try {
+            // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally
+            return cachedSetTimeout.call(null, fun, 0);
+        } catch(e){
+            // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error
+            return cachedSetTimeout.call(this, fun, 0);
+        }
+    }
+
+
+}
+function runClearTimeout(marker) {
+    if (cachedClearTimeout === clearTimeout) {
+        //normal enviroments in sane situations
+        return clearTimeout(marker);
+    }
+    // if clearTimeout wasn't available but was latter defined
+    if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) {
+        cachedClearTimeout = clearTimeout;
+        return clearTimeout(marker);
+    }
+    try {
+        // when when somebody has screwed with setTimeout but no I.E. maddness
+        return cachedClearTimeout(marker);
+    } catch (e){
+        try {
+            // When we are in I.E. but the script has been evaled so I.E. doesn't  trust the global object when called normally
+            return cachedClearTimeout.call(null, marker);
+        } catch (e){
+            // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error.
+            // Some versions of I.E. have different rules for clearTimeout vs setTimeout
+            return cachedClearTimeout.call(this, marker);
+        }
+    }
+
+
+
+}
+var queue = [];
+var draining = false;
+var currentQueue;
+var queueIndex = -1;
+
+function cleanUpNextTick() {
+    if (!draining || !currentQueue) {
+        return;
+    }
+    draining = false;
+    if (currentQueue.length) {
+        queue = currentQueue.concat(queue);
+    } else {
+        queueIndex = -1;
+    }
+    if (queue.length) {
+        drainQueue();
+    }
+}
+
+function drainQueue() {
+    if (draining) {
+        return;
+    }
+    var timeout = runTimeout(cleanUpNextTick);
+    draining = true;
+
+    var len = queue.length;
+    while(len) {
+        currentQueue = queue;
+        queue = [];
+        while (++queueIndex < len) {
+            if (currentQueue) {
+                currentQueue[queueIndex].run();
+            }
+        }
+        queueIndex = -1;
+        len = queue.length;
+    }
+    currentQueue = null;
+    draining = false;
+    runClearTimeout(timeout);
+}
+
+process.nextTick = function (fun) {
+    var args = new Array(arguments.length - 1);
+    if (arguments.length > 1) {
+        for (var i = 1; i < arguments.length; i++) {
+            args[i - 1] = arguments[i];
+        }
+    }
+    queue.push(new Item(fun, args));
+    if (queue.length === 1 && !draining) {
+        runTimeout(drainQueue);
+    }
+};
+
+// v8 likes predictible objects
+function Item(fun, array) {
+    this.fun = fun;
+    this.array = array;
+}
+Item.prototype.run = function () {
+    this.fun.apply(null, this.array);
+};
+process.title = 'browser';
+process.browser = true;
+process.env = {};
+process.argv = [];
+process.version = ''; // empty string to avoid regexp issues
+process.versions = {};
+
+function noop() {}
+
+process.on = noop;
+process.addListener = noop;
+process.once = noop;
+process.off = noop;
+process.removeListener = noop;
+process.removeAllListeners = noop;
+process.emit = noop;
+process.prependListener = noop;
+process.prependOnceListener = noop;
+
+process.listeners = function (name) { return [] }
+
+process.binding = function (name) {
+    throw new Error('process.binding is not supported');
+};
+
+process.cwd = function () { return '/' };
+process.chdir = function (dir) {
+    throw new Error('process.chdir is not supported');
+};
+process.umask = function() { return 0; };
+
+
+/***/ }),
+/* 19 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/* WEBPACK VAR INJECTION */(function(process, global) {/**
+ * WEBMIDI.js v3.1.12
+ * A JavaScript library to kickstart your MIDI projects
+ * https://webmidijs.org
+ * Build generated on November 22nd, 2024.
+ *
+ * © Copyright 2015-2024, Jean-Philippe Côté.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
+ * in compliance with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License
+ * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ * or implied. See the License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+Object.defineProperty(exports,"__esModule",{value:!0});class EventEmitter{constructor(e=!1){this.eventMap={},this.eventsSuspended=1==e}addListener(e,t,n={}){if("string"==typeof e&&e.length<1||e instanceof String&&e.length<1||"string"!=typeof e&&!(e instanceof String)&&e!==EventEmitter.ANY_EVENT)throw new TypeError("The 'event' parameter must be a string or EventEmitter.ANY_EVENT.");if("function"!=typeof t)throw new TypeError("The callback must be a function.");const r=new Listener(e,this,t,n);return this.eventMap[e]||(this.eventMap[e]=[]),n.prepend?this.eventMap[e].unshift(r):this.eventMap[e].push(r),r}addOneTimeListener(e,t,n={}){n.remaining=1,this.addListener(e,t,n)}static get ANY_EVENT(){return Symbol.for("Any event")}hasListener(e,t){if(void 0===e)return!!(this.eventMap[EventEmitter.ANY_EVENT]&&this.eventMap[EventEmitter.ANY_EVENT].length>0)||Object.entries(this.eventMap).some(([,e])=>e.length>0);if(this.eventMap[e]&&this.eventMap[e].length>0){if(t instanceof Listener){return this.eventMap[e].filter(e=>e===t).length>0}if("function"==typeof t){return this.eventMap[e].filter(e=>e.callback===t).length>0}return null==t}return!1}get eventNames(){return Object.keys(this.eventMap)}getListeners(e){return this.eventMap[e]||[]}suspendEvent(e){this.getListeners(e).forEach(e=>{e.suspended=!0})}unsuspendEvent(e){this.getListeners(e).forEach(e=>{e.suspended=!1})}getListenerCount(e){return this.getListeners(e).length}emit(e,...t){if("string"!=typeof e&&!(e instanceof String))throw new TypeError("The 'event' parameter must be a string.");if(this.eventsSuspended)return;let n=[],r=this.eventMap[EventEmitter.ANY_EVENT]||[];return this.eventMap[e]&&(r=r.concat(this.eventMap[e])),r.forEach(e=>{if(e.suspended)return;let r=[...t];Array.isArray(e.arguments)&&(r=r.concat(e.arguments)),e.remaining>0&&(n.push(e.callback.apply(e.context,r)),e.count++),--e.remaining<1&&e.remove()}),n}removeListener(e,t,n={}){if(void 0===e)return void(this.eventMap={});if(!this.eventMap[e])return;let r=this.eventMap[e].filter(e=>t&&e.callback!==t||n.remaining&&n.remaining!==e.remaining||n.context&&n.context!==e.context);r.length?this.eventMap[e]=r:delete this.eventMap[e]}async waitFor(e,t={}){return t.duration=parseInt(t.duration),(isNaN(t.duration)||t.duration<=0)&&(t.duration=1/0),new Promise((n,r)=>{let i,s=this.addListener(e,()=>{clearTimeout(i),n()},{remaining:1});t.duration!==1/0&&(i=setTimeout(()=>{s.remove(),r("The duration expired before the event was emitted.")},t.duration))})}get eventCount(){return Object.keys(this.eventMap).length}}class Listener{constructor(e,t,n,r={}){if("string"!=typeof e&&!(e instanceof String)&&e!==EventEmitter.ANY_EVENT)throw new TypeError("The 'event' parameter must be a string or EventEmitter.ANY_EVENT.");if(!t)throw new ReferenceError("The 'target' parameter is mandatory.");if("function"!=typeof n)throw new TypeError("The 'callback' must be a function.");void 0===r.arguments||Array.isArray(r.arguments)||(r.arguments=[r.arguments]),(r=Object.assign({context:t,remaining:1/0,arguments:void 0,duration:1/0},r)).duration!==1/0&&setTimeout(()=>this.remove(),r.duration),this.arguments=r.arguments,this.callback=n,this.context=r.context,this.count=0,this.event=e,this.remaining=parseInt(r.remaining)>=1?parseInt(r.remaining):1/0,this.suspended=!1,this.target=t}remove(){this.target.removeListener(this.event,this.callback,{context:this.context,remaining:this.remaining})}}
+/**
+ * The `Enumerations` class contains enumerations and arrays of elements used throughout the
+ * library. All its properties are static and should be referenced using the class name. For
+ * example: `Enumerations.CHANNEL_MESSAGES`.
+ *
+ * @license Apache-2.0
+ * @since 3.0.0
+ */class Enumerations{static get MIDI_CHANNEL_MESSAGES(){return this.validation&&console.warn("The MIDI_CHANNEL_MESSAGES enum has been deprecated. Use the Enumerations.CHANNEL_MESSAGES enum instead."),Enumerations.CHANNEL_MESSAGES}static get CHANNEL_MESSAGES(){return{noteoff:8,noteon:9,keyaftertouch:10,controlchange:11,programchange:12,channelaftertouch:13,pitchbend:14}}static get CHANNEL_NUMBERS(){return[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16]}static get MIDI_CHANNEL_NUMBERS(){return this.validation&&console.warn("The MIDI_CHANNEL_NUMBERS array has been deprecated. Use the Enumerations.CHANNEL_NUMBERS array instead."),[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16]}static get CHANNEL_MODE_MESSAGES(){return{allsoundoff:120,resetallcontrollers:121,localcontrol:122,allnotesoff:123,omnimodeoff:124,omnimodeon:125,monomodeon:126,polymodeon:127}}static get MIDI_CHANNEL_MODE_MESSAGES(){return this.validation&&console.warn("The MIDI_CHANNEL_MODE_MESSAGES enum has been deprecated. Use the Enumerations.CHANNEL_MODE_MESSAGES enum instead."),Enumerations.CHANNEL_MODE_MESSAGES}static get MIDI_CONTROL_CHANGE_MESSAGES(){return this.validation&&console.warn("The MIDI_CONTROL_CHANGE_MESSAGES enum has been deprecated. Use the Enumerations.CONTROL_CHANGE_MESSAGES array instead."),{bankselectcoarse:0,modulationwheelcoarse:1,breathcontrollercoarse:2,controller3:3,footcontrollercoarse:4,portamentotimecoarse:5,dataentrycoarse:6,volumecoarse:7,balancecoarse:8,controller9:9,pancoarse:10,expressioncoarse:11,effectcontrol1coarse:12,effectcontrol2coarse:13,controller14:14,controller15:15,generalpurposeslider1:16,generalpurposeslider2:17,generalpurposeslider3:18,generalpurposeslider4:19,controller20:20,controller21:21,controller22:22,controller23:23,controller24:24,controller25:25,controller26:26,controller27:27,controller28:28,controller29:29,controller30:30,controller31:31,bankselectfine:32,modulationwheelfine:33,breathcontrollerfine:34,controller35:35,footcontrollerfine:36,portamentotimefine:37,dataentryfine:38,volumefine:39,balancefine:40,controller41:41,panfine:42,expressionfine:43,effectcontrol1fine:44,effectcontrol2fine:45,controller46:46,controller47:47,controller48:48,controller49:49,controller50:50,controller51:51,controller52:52,controller53:53,controller54:54,controller55:55,controller56:56,controller57:57,controller58:58,controller59:59,controller60:60,controller61:61,controller62:62,controller63:63,holdpedal:64,portamento:65,sustenutopedal:66,softpedal:67,legatopedal:68,hold2pedal:69,soundvariation:70,resonance:71,soundreleasetime:72,soundattacktime:73,brightness:74,soundcontrol6:75,soundcontrol7:76,soundcontrol8:77,soundcontrol9:78,soundcontrol10:79,generalpurposebutton1:80,generalpurposebutton2:81,generalpurposebutton3:82,generalpurposebutton4:83,controller84:84,controller85:85,controller86:86,controller87:87,controller88:88,controller89:89,controller90:90,reverblevel:91,tremololevel:92,choruslevel:93,celestelevel:94,phaserlevel:95,databuttonincrement:96,databuttondecrement:97,nonregisteredparametercoarse:98,nonregisteredparameterfine:99,registeredparametercoarse:100,registeredparameterfine:101,controller102:102,controller103:103,controller104:104,controller105:105,controller106:106,controller107:107,controller108:108,controller109:109,controller110:110,controller111:111,controller112:112,controller113:113,controller114:114,controller115:115,controller116:116,controller117:117,controller118:118,controller119:119,allsoundoff:120,resetallcontrollers:121,localcontrol:122,allnotesoff:123,omnimodeoff:124,omnimodeon:125,monomodeon:126,polymodeon:127}}static get CONTROL_CHANGE_MESSAGES(){return[{number:0,name:"bankselectcoarse",description:"Bank Select (Coarse)",position:"msb"},{number:1,name:"modulationwheelcoarse",description:"Modulation Wheel (Coarse)",position:"msb"},{number:2,name:"breathcontrollercoarse",description:"Breath Controller (Coarse)",position:"msb"},{number:3,name:"controller3",description:"Undefined",position:"msb"},{number:4,name:"footcontrollercoarse",description:"Foot Controller (Coarse)",position:"msb"},{number:5,name:"portamentotimecoarse",description:"Portamento Time (Coarse)",position:"msb"},{number:6,name:"dataentrycoarse",description:"Data Entry (Coarse)",position:"msb"},{number:7,name:"volumecoarse",description:"Channel Volume (Coarse)",position:"msb"},{number:8,name:"balancecoarse",description:"Balance (Coarse)",position:"msb"},{number:9,name:"controller9",description:"Controller 9 (Coarse)",position:"msb"},{number:10,name:"pancoarse",description:"Pan (Coarse)",position:"msb"},{number:11,name:"expressioncoarse",description:"Expression Controller (Coarse)",position:"msb"},{number:12,name:"effectcontrol1coarse",description:"Effect Control 1 (Coarse)",position:"msb"},{number:13,name:"effectcontrol2coarse",description:"Effect Control 2 (Coarse)",position:"msb"},{number:14,name:"controller14",description:"Undefined",position:"msb"},{number:15,name:"controller15",description:"Undefined",position:"msb"},{number:16,name:"generalpurposecontroller1",description:"General Purpose Controller 1 (Coarse)",position:"msb"},{number:17,name:"generalpurposecontroller2",description:"General Purpose Controller 2 (Coarse)",position:"msb"},{number:18,name:"generalpurposecontroller3",description:"General Purpose Controller 3 (Coarse)",position:"msb"},{number:19,name:"generalpurposecontroller4",description:"General Purpose Controller 4 (Coarse)",position:"msb"},{number:20,name:"controller20",description:"Undefined",position:"msb"},{number:21,name:"controller21",description:"Undefined",position:"msb"},{number:22,name:"controller22",description:"Undefined",position:"msb"},{number:23,name:"controller23",description:"Undefined",position:"msb"},{number:24,name:"controller24",description:"Undefined",position:"msb"},{number:25,name:"controller25",description:"Undefined",position:"msb"},{number:26,name:"controller26",description:"Undefined",position:"msb"},{number:27,name:"controller27",description:"Undefined",position:"msb"},{number:28,name:"controller28",description:"Undefined",position:"msb"},{number:29,name:"controller29",description:"Undefined",position:"msb"},{number:30,name:"controller30",description:"Undefined",position:"msb"},{number:31,name:"controller31",description:"Undefined",position:"msb"},{number:32,name:"bankselectfine",description:"Bank Select (Fine)",position:"lsb"},{number:33,name:"modulationwheelfine",description:"Modulation Wheel (Fine)",position:"lsb"},{number:34,name:"breathcontrollerfine",description:"Breath Controller (Fine)",position:"lsb"},{number:35,name:"controller35",description:"Undefined",position:"lsb"},{number:36,name:"footcontrollerfine",description:"Foot Controller (Fine)",position:"lsb"},{number:37,name:"portamentotimefine",description:"Portamento Time (Fine)",position:"lsb"},{number:38,name:"dataentryfine",description:"Data Entry (Fine)",position:"lsb"},{number:39,name:"channelvolumefine",description:"Channel Volume (Fine)",position:"lsb"},{number:40,name:"balancefine",description:"Balance (Fine)",position:"lsb"},{number:41,name:"controller41",description:"Undefined",position:"lsb"},{number:42,name:"panfine",description:"Pan (Fine)",position:"lsb"},{number:43,name:"expressionfine",description:"Expression Controller (Fine)",position:"lsb"},{number:44,name:"effectcontrol1fine",description:"Effect control 1 (Fine)",position:"lsb"},{number:45,name:"effectcontrol2fine",description:"Effect control 2 (Fine)",position:"lsb"},{number:46,name:"controller46",description:"Undefined",position:"lsb"},{number:47,name:"controller47",description:"Undefined",position:"lsb"},{number:48,name:"controller48",description:"General Purpose Controller 1 (Fine)",position:"lsb"},{number:49,name:"controller49",description:"General Purpose Controller 2 (Fine)",position:"lsb"},{number:50,name:"controller50",description:"General Purpose Controller 3 (Fine)",position:"lsb"},{number:51,name:"controller51",description:"General Purpose Controller 4 (Fine)",position:"lsb"},{number:52,name:"controller52",description:"Undefined",position:"lsb"},{number:53,name:"controller53",description:"Undefined",position:"lsb"},{number:54,name:"controller54",description:"Undefined",position:"lsb"},{number:55,name:"controller55",description:"Undefined",position:"lsb"},{number:56,name:"controller56",description:"Undefined",position:"lsb"},{number:57,name:"controller57",description:"Undefined",position:"lsb"},{number:58,name:"controller58",description:"Undefined",position:"lsb"},{number:59,name:"controller59",description:"Undefined",position:"lsb"},{number:60,name:"controller60",description:"Undefined",position:"lsb"},{number:61,name:"controller61",description:"Undefined",position:"lsb"},{number:62,name:"controller62",description:"Undefined",position:"lsb"},{number:63,name:"controller63",description:"Undefined",position:"lsb"},{number:64,name:"damperpedal",description:"Damper Pedal On/Off"},{number:65,name:"portamento",description:"Portamento On/Off"},{number:66,name:"sostenuto",description:"Sostenuto On/Off"},{number:67,name:"softpedal",description:"Soft Pedal On/Off"},{number:68,name:"legatopedal",description:"Legato Pedal On/Off"},{number:69,name:"hold2",description:"Hold 2 On/Off"},{number:70,name:"soundvariation",description:"Sound Variation",position:"lsb"},{number:71,name:"resonance",description:"Resonance",position:"lsb"},{number:72,name:"releasetime",description:"Release Time",position:"lsb"},{number:73,name:"attacktime",description:"Attack Time",position:"lsb"},{number:74,name:"brightness",description:"Brightness",position:"lsb"},{number:75,name:"decaytime",description:"Decay Time",position:"lsb"},{number:76,name:"vibratorate",description:"Vibrato Rate",position:"lsb"},{number:77,name:"vibratodepth",description:"Vibrato Depth",position:"lsb"},{number:78,name:"vibratodelay",description:"Vibrato Delay",position:"lsb"},{number:79,name:"controller79",description:"Undefined",position:"lsb"},{number:80,name:"generalpurposecontroller5",description:"General Purpose Controller 5",position:"lsb"},{number:81,name:"generalpurposecontroller6",description:"General Purpose Controller 6",position:"lsb"},{number:82,name:"generalpurposecontroller7",description:"General Purpose Controller 7",position:"lsb"},{number:83,name:"generalpurposecontroller8",description:"General Purpose Controller 8",position:"lsb"},{number:84,name:"portamentocontrol",description:"Portamento Control",position:"lsb"},{number:85,name:"controller85",description:"Undefined"},{number:86,name:"controller86",description:"Undefined"},{number:87,name:"controller87",description:"Undefined"},{number:88,name:"highresolutionvelocityprefix",description:"High Resolution Velocity Prefix",position:"lsb"},{number:89,name:"controller89",description:"Undefined"},{number:90,name:"controller90",description:"Undefined"},{number:91,name:"effect1depth",description:"Effects 1 Depth (Reverb Send Level)"},{number:92,name:"effect2depth",description:"Effects 2 Depth"},{number:93,name:"effect3depth",description:"Effects 3 Depth (Chorus Send Level)"},{number:94,name:"effect4depth",description:"Effects 4 Depth"},{number:95,name:"effect5depth",description:"Effects 5 Depth"},{number:96,name:"dataincrement",description:"Data Increment"},{number:97,name:"datadecrement",description:"Data Decrement"},{number:98,name:"nonregisteredparameterfine",description:"Non-Registered Parameter Number (Fine)",position:"lsb"},{number:99,name:"nonregisteredparametercoarse",description:"Non-Registered Parameter Number (Coarse)",position:"msb"},{number:100,name:"registeredparameterfine",description:"Registered Parameter Number (Fine)",position:"lsb"},{number:101,name:"registeredparametercoarse",description:"Registered Parameter Number (Coarse)",position:"msb"},{number:102,name:"controller102",description:"Undefined"},{number:103,name:"controller103",description:"Undefined"},{number:104,name:"controller104",description:"Undefined"},{number:105,name:"controller105",description:"Undefined"},{number:106,name:"controller106",description:"Undefined"},{number:107,name:"controller107",description:"Undefined"},{number:108,name:"controller108",description:"Undefined"},{number:109,name:"controller109",description:"Undefined"},{number:110,name:"controller110",description:"Undefined"},{number:111,name:"controller111",description:"Undefined"},{number:112,name:"controller112",description:"Undefined"},{number:113,name:"controller113",description:"Undefined"},{number:114,name:"controller114",description:"Undefined"},{number:115,name:"controller115",description:"Undefined"},{number:116,name:"controller116",description:"Undefined"},{number:117,name:"controller117",description:"Undefined"},{number:118,name:"controller118",description:"Undefined"},{number:119,name:"controller119",description:"Undefined"},{number:120,name:"allsoundoff",description:"All Sound Off"},{number:121,name:"resetallcontrollers",description:"Reset All Controllers"},{number:122,name:"localcontrol",description:"Local Control On/Off"},{number:123,name:"allnotesoff",description:"All Notes Off"},{number:124,name:"omnimodeoff",description:"Omni Mode Off"},{number:125,name:"omnimodeon",description:"Omni Mode On"},{number:126,name:"monomodeon",description:"Mono Mode On"},{number:127,name:"polymodeon",description:"Poly Mode On"}]}static get REGISTERED_PARAMETERS(){return{pitchbendrange:[0,0],channelfinetuning:[0,1],channelcoarsetuning:[0,2],tuningprogram:[0,3],tuningbank:[0,4],modulationrange:[0,5],azimuthangle:[61,0],elevationangle:[61,1],gain:[61,2],distanceratio:[61,3],maximumdistance:[61,4],maximumdistancegain:[61,5],referencedistanceratio:[61,6],panspreadangle:[61,7],rollangle:[61,8]}}static get MIDI_REGISTERED_PARAMETERS(){return this.validation&&console.warn("The MIDI_REGISTERED_PARAMETERS enum has been deprecated. Use the Enumerations.REGISTERED_PARAMETERS enum instead."),Enumerations.MIDI_REGISTERED_PARAMETERS}static get SYSTEM_MESSAGES(){return{sysex:240,timecode:241,songposition:242,songselect:243,tunerequest:246,tuningrequest:246,sysexend:247,clock:248,start:250,continue:251,stop:252,activesensing:254,reset:255,midimessage:0,unknownsystemmessage:-1}}static get MIDI_SYSTEM_MESSAGES(){return this.validation&&console.warn("The MIDI_SYSTEM_MESSAGES enum has been deprecated. Use the Enumerations.SYSTEM_MESSAGES enum instead."),Enumerations.SYSTEM_MESSAGES}static get CHANNEL_EVENTS(){return["noteoff","controlchange","noteon","keyaftertouch","programchange","channelaftertouch","pitchbend","allnotesoff","allsoundoff","localcontrol","monomode","omnimode","resetallcontrollers","nrpn","nrpn-dataentrycoarse","nrpn-dataentryfine","nrpn-dataincrement","nrpn-datadecrement","rpn","rpn-dataentrycoarse","rpn-dataentryfine","rpn-dataincrement","rpn-datadecrement","nrpn-databuttonincrement","nrpn-databuttondecrement","rpn-databuttonincrement","rpn-databuttondecrement"]}}
+/**
+ * The `Note` class represents a single musical note such as `"D3"`, `"G#4"`, `"F-1"`, `"Gb7"`, etc.
+ *
+ * `Note` objects can be played back on a single channel by calling
+ * [`OutputChannel.playNote()`]{@link OutputChannel#playNote} or, on multiple channels of the same
+ * output, by calling [`Output.playNote()`]{@link Output#playNote}.
+ *
+ * The note has [`attack`](#attack) and [`release`](#release) velocities set at `0.5` by default.
+ * These can be changed by passing in the appropriate option. It is also possible to set a
+ * system-wide default for attack and release velocities by using the
+ * [`WebMidi.defaults`](WebMidi#defaults) property.
+ *
+ * If you prefer to work with raw MIDI values (`0` to `127`), you can use [`rawAttack`](#rawAttack) and
+ * [`rawRelease`](#rawRelease) to both get and set the values.
+ *
+ * The note may have a [`duration`](#duration). If it does, playback will be automatically stopped
+ * when the duration has elapsed by sending a `"noteoff"` event. By default, the duration is set to
+ * `Infinity`. In this case, it will never stop playing unless explicitly stopped by calling a
+ * method such as [`OutputChannel.stopNote()`]{@link OutputChannel#stopNote},
+ * [`Output.stopNote()`]{@link Output#stopNote} or similar.
+ *
+ * @license Apache-2.0
+ * @since 3.0.0
+ */class Note{constructor(e,t={}){this.duration=wm.defaults.note.duration,this.attack=wm.defaults.note.attack,this.release=wm.defaults.note.release,null!=t.duration&&(this.duration=t.duration),null!=t.attack&&(this.attack=t.attack),null!=t.rawAttack&&(this.attack=Utilities.from7bitToFloat(t.rawAttack)),null!=t.release&&(this.release=t.release),null!=t.rawRelease&&(this.release=Utilities.from7bitToFloat(t.rawRelease)),Number.isInteger(e)?this.identifier=Utilities.toNoteIdentifier(e):this.identifier=e}get identifier(){return this._name+(this._accidental||"")+this._octave}set identifier(e){const t=Utilities.getNoteDetails(e);if(wm.validation&&!e)throw new Error("Invalid note identifier");this._name=t.name,this._accidental=t.accidental,this._octave=t.octave}get name(){return this._name}set name(e){if(wm.validation&&(e=e.toUpperCase(),!["C","D","E","F","G","A","B"].includes(e)))throw new Error("Invalid name value");this._name=e}get accidental(){return this._accidental}set accidental(e){if(wm.validation&&(e=e.toLowerCase(),!["#","##","b","bb"].includes(e)))throw new Error("Invalid accidental value");this._accidental=e}get octave(){return this._octave}set octave(e){if(wm.validation&&(e=parseInt(e),isNaN(e)))throw new Error("Invalid octave value");this._octave=e}get duration(){return this._duration}set duration(e){if(wm.validation&&(e=parseFloat(e),isNaN(e)||null===e||e<0))throw new RangeError("Invalid duration value.");this._duration=e}get attack(){return this._attack}set attack(e){if(wm.validation&&(e=parseFloat(e),isNaN(e)||!(e>=0&&e<=1)))throw new RangeError("Invalid attack value.");this._attack=e}get release(){return this._release}set release(e){if(wm.validation&&(e=parseFloat(e),isNaN(e)||!(e>=0&&e<=1)))throw new RangeError("Invalid release value.");this._release=e}get rawAttack(){return Utilities.fromFloatTo7Bit(this._attack)}set rawAttack(e){this._attack=Utilities.from7bitToFloat(e)}get rawRelease(){return Utilities.fromFloatTo7Bit(this._release)}set rawRelease(e){this._release=Utilities.from7bitToFloat(e)}get number(){return Utilities.toNoteNumber(this.identifier)}getOffsetNumber(e=0,t=0){return wm.validation&&(e=parseInt(e)||0,t=parseInt(t)||0),Math.min(Math.max(this.number+12*e+t,0),127)}}
+/**
+ * The `Utilities` class contains general-purpose utility methods. All methods are static and
+ * should be called using the class name. For example: `Utilities.getNoteDetails("C4")`.
+ *
+ * @license Apache-2.0
+ * @since 3.0.0
+ */class Utilities{
+/**
+   * Returns a MIDI note number matching the identifier passed in the form of a string. The
+   * identifier must include the octave number. The identifier also optionally include a sharp (#),
+   * a double sharp (##), a flat (b) or a double flat (bb) symbol. For example, these are all valid
+   * identifiers: C5, G4, D#-1, F0, Gb7, Eb-1, Abb4, B##6, etc.
+   *
+   * When converting note identifiers to numbers, C4 is considered to be middle C (MIDI note number
+   * 60) as per the scientific pitch notation standard.
+   *
+   * The resulting note number can be offset by using the `octaveOffset` parameter.
+   *
+   * @param identifier {string} The identifier in the form of a letter, followed by an optional "#",
+   * "##", "b" or "bb" followed by the octave number. For exemple: C5, G4, D#-1, F0, Gb7, Eb-1,
+   * Abb4, B##6, etc.
+   *
+   * @param {number} [octaveOffset=0] A integer to offset the octave by.
+   *
+   * @returns {number} The MIDI note number (an integer between 0 and 127).
+   *
+   * @throws RangeError Invalid 'octaveOffset' value
+   *
+   * @throws TypeError Invalid note identifier
+   *
+   * @license Apache-2.0
+   * @since 3.0.0
+   * @static
+   */
+static toNoteNumber(e,t=0){if(t=null==t?0:parseInt(t),isNaN(t))throw new RangeError("Invalid 'octaveOffset' value");"string"!=typeof e&&(e="");const n=this.getNoteDetails(e);if(!n)throw new TypeError("Invalid note identifier");let r=12*(n.octave+1+t);if(r+={C:0,D:2,E:4,F:5,G:7,A:9,B:11}[n.name],n.accidental&&(n.accidental.startsWith("b")?r-=n.accidental.length:r+=n.accidental.length),r<0||r>127)throw new RangeError("Invalid octaveOffset value");return r}static getNoteDetails(e){Number.isInteger(e)&&(e=this.toNoteIdentifier(e));const t=e.match(/^([CDEFGAB])(#{0,2}|b{0,2})(-?\d+)$/i);if(!t)throw new TypeError("Invalid note identifier");const n=t[1].toUpperCase(),r=parseInt(t[3]);let i=t[2].toLowerCase();i=""===i?void 0:i;return{accidental:i,identifier:n+(i||"")+r,name:n,octave:r}}static sanitizeChannels(e){let t;if(wm.validation)if("all"===e)t=["all"];else if("none"===e)return[];return t=Array.isArray(e)?e:[e],t.indexOf("all")>-1&&(t=Enumerations.MIDI_CHANNEL_NUMBERS),t.map((function(e){return parseInt(e)})).filter((function(e){return e>=1&&e<=16}))}static toTimestamp(e){let t=!1;const n=parseFloat(e);return!isNaN(n)&&("string"==typeof e&&"+"===e.substring(0,1)?n>=0&&(t=wm.time+n):n>=0&&(t=n),t)}static guessNoteNumber(e,t){t=parseInt(t)||0;let n=!1;if(Number.isInteger(e)&&e>=0&&e<=127)n=parseInt(e);else if(parseInt(e)>=0&&parseInt(e)<=127)n=parseInt(e);else if("string"==typeof e||e instanceof String)try{n=this.toNoteNumber(e.trim(),t)}catch(e){return!1}return n}static toNoteIdentifier(e,t){if(e=parseInt(e),isNaN(e)||e<0||e>127)throw new RangeError("Invalid note number");if(t=null==t?0:parseInt(t),isNaN(t))throw new RangeError("Invalid octaveOffset value");const n=Math.floor(e/12-1)+t;return["C","C#","D","D#","E","F","F#","G","G#","A","A#","B"][e%12]+n.toString()}static buildNote(e,t={}){if(t.octaveOffset=parseInt(t.octaveOffset)||0,e instanceof Note)return e;let n=this.guessNoteNumber(e,t.octaveOffset);if(!1===n)throw new TypeError(`The input could not be parsed as a note (${e})`);return t.octaveOffset=void 0,new Note(n,t)}static buildNoteArray(e,t={}){let n=[];return Array.isArray(e)||(e=[e]),e.forEach(e=>{n.push(this.buildNote(e,t))}),n}static from7bitToFloat(e){return e===1/0&&(e=127),e=parseInt(e)||0,Math.min(Math.max(e/127,0),1)}static fromFloatTo7Bit(e){return e===1/0&&(e=1),e=parseFloat(e)||0,Math.min(Math.max(Math.round(127*e),0),127)}static fromMsbLsbToFloat(e,t=0){wm.validation&&(e=Math.min(Math.max(parseInt(e)||0,0),127),t=Math.min(Math.max(parseInt(t)||0,0),127));const n=((e<<7)+t)/16383;return Math.min(Math.max(n,0),1)}static fromFloatToMsbLsb(e){wm.validation&&(e=Math.min(Math.max(parseFloat(e)||0,0),1));const t=Math.round(16383*e);return{msb:t>>7,lsb:127&t}}static offsetNumber(e,t=0,n=0){if(wm.validation){if(e=parseInt(e),isNaN(e))throw new Error("Invalid note number");t=parseInt(t)||0,n=parseInt(n)||0}return Math.min(Math.max(e+12*t+n,0),127)}static getPropertyByValue(e,t){return Object.keys(e).find(n=>e[n]===t)}static getCcNameByNumber(e){if(!wm.validation||(e=parseInt(e))>=0&&e<=127)return Enumerations.CONTROL_CHANGE_MESSAGES[e].name}static getCcNumberByName(e){let t=Enumerations.CONTROL_CHANGE_MESSAGES.find(t=>t.name===e);return t?t.number:Enumerations.MIDI_CONTROL_CHANGE_MESSAGES[e]}static getChannelModeByNumber(e){if(!(e>=120&&e<=127))return!1;for(let t in Enumerations.CHANNEL_MODE_MESSAGES)if(Enumerations.CHANNEL_MODE_MESSAGES.hasOwnProperty(t)&&e===Enumerations.CHANNEL_MODE_MESSAGES[t])return t;return!1}static get isNode(){return"undefined"!=typeof process&&null!=process.versions&&null!=process.versions.node}static get isBrowser(){return"undefined"!=typeof window&&void 0!==window.document}}
+/**
+ * The `OutputChannel` class represents a single output MIDI channel. `OutputChannel` objects are
+ * provided by an [`Output`](Output) port which, itself, is made available by a device. The
+ * `OutputChannel` object is derived from the host's MIDI subsystem and should not be instantiated
+ * directly.
+ *
+ * All 16 `OutputChannel` objects can be found inside the parent output's
+ * [`channels`]{@link Output#channels} property.
+ *
+ * @param {Output} output The [`Output`](Output) this channel belongs to.
+ * @param {number} number The MIDI channel number (`1` - `16`).
+ *
+ * @extends EventEmitter
+ * @license Apache-2.0
+ * @since 3.0.0
+ */class OutputChannel extends EventEmitter{constructor(e,t){super(),this._output=e,this._number=t,this._octaveOffset=0}destroy(){this._output=null,this._number=null,this._octaveOffset=0,this.removeListener()}send(e,t={time:0}){return this.output.send(e,t),this}sendKeyAftertouch(e,t,n={}){if(wm.validation){if(n.useRawValue&&(n.rawValue=n.useRawValue),isNaN(parseFloat(t)))throw new RangeError("Invalid key aftertouch value.");if(n.rawValue){if(!(t>=0&&t<=127&&Number.isInteger(t)))throw new RangeError("Key aftertouch raw value must be an integer between 0 and 127.")}else if(!(t>=0&&t<=1))throw new RangeError("Key aftertouch value must be a float between 0 and 1.")}n.rawValue||(t=Utilities.fromFloatTo7Bit(t));const r=wm.octaveOffset+this.output.octaveOffset+this.octaveOffset;return Array.isArray(e)||(e=[e]),Utilities.buildNoteArray(e).forEach(e=>{this.send([(Enumerations.CHANNEL_MESSAGES.keyaftertouch<<4)+(this.number-1),e.getOffsetNumber(r),t],{time:Utilities.toTimestamp(n.time)})}),this}
+/**
+   * Sends a MIDI **control change** message to the channel at the scheduled time. The control
+   * change message to send can be specified numerically (`0` to `127`) or by using one of the
+   * following common names:
+   *
+   * | Number | Name                          |
+   * |--------|-------------------------------|
+   * | 0      |`bankselectcoarse`             |
+   * | 1      |`modulationwheelcoarse`        |
+   * | 2      |`breathcontrollercoarse`       |
+   * | 4      |`footcontrollercoarse`         |
+   * | 5      |`portamentotimecoarse`         |
+   * | 6      |`dataentrycoarse`              |
+   * | 7      |`volumecoarse`                 |
+   * | 8      |`balancecoarse`                |
+   * | 10     |`pancoarse`                    |
+   * | 11     |`expressioncoarse`             |
+   * | 12     |`effectcontrol1coarse`         |
+   * | 13     |`effectcontrol2coarse`         |
+   * | 18     |`generalpurposeslider3`        |
+   * | 19     |`generalpurposeslider4`        |
+   * | 32     |`bankselectfine`               |
+   * | 33     |`modulationwheelfine`          |
+   * | 34     |`breathcontrollerfine`         |
+   * | 36     |`footcontrollerfine`           |
+   * | 37     |`portamentotimefine`           |
+   * | 38     |`dataentryfine`                |
+   * | 39     |`volumefine`                   |
+   * | 40     |`balancefine`                  |
+   * | 42     |`panfine`                      |
+   * | 43     |`expressionfine`               |
+   * | 44     |`effectcontrol1fine`           |
+   * | 45     |`effectcontrol2fine`           |
+   * | 64     |`holdpedal`                    |
+   * | 65     |`portamento`                   |
+   * | 66     |`sustenutopedal`               |
+   * | 67     |`softpedal`                    |
+   * | 68     |`legatopedal`                  |
+   * | 69     |`hold2pedal`                   |
+   * | 70     |`soundvariation`               |
+   * | 71     |`resonance`                    |
+   * | 72     |`soundreleasetime`             |
+   * | 73     |`soundattacktime`              |
+   * | 74     |`brightness`                   |
+   * | 75     |`soundcontrol6`                |
+   * | 76     |`soundcontrol7`                |
+   * | 77     |`soundcontrol8`                |
+   * | 78     |`soundcontrol9`                |
+   * | 79     |`soundcontrol10`               |
+   * | 80     |`generalpurposebutton1`        |
+   * | 81     |`generalpurposebutton2`        |
+   * | 82     |`generalpurposebutton3`        |
+   * | 83     |`generalpurposebutton4`        |
+   * | 91     |`reverblevel`                  |
+   * | 92     |`tremololevel`                 |
+   * | 93     |`choruslevel`                  |
+   * | 94     |`celestelevel`                 |
+   * | 95     |`phaserlevel`                  |
+   * | 96     |`dataincrement`                |
+   * | 97     |`datadecrement`                |
+   * | 98     |`nonregisteredparametercoarse` |
+   * | 99     |`nonregisteredparameterfine`   |
+   * | 100    |`registeredparametercoarse`    |
+   * | 101    |`registeredparameterfine`      |
+   * | 120    |`allsoundoff`                  |
+   * | 121    |`resetallcontrollers`          |
+   * | 122    |`localcontrol`                 |
+   * | 123    |`allnotesoff`                  |
+   * | 124    |`omnimodeoff`                  |
+   * | 125    |`omnimodeon`                   |
+   * | 126    |`monomodeon`                   |
+   * | 127    |`polymodeon`                   |
+   *
+   * As you can see above, not all control change message have a matching name. This does not mean
+   * you cannot use the others. It simply means you will need to use their number
+   * (`0` to `127`) instead of their name. While you can still use them, numbers `120` to `127` are
+   * usually reserved for *channel mode* messages. See
+   * [`sendChannelMode()`]{@link OutputChannel#sendChannelMode} method for more info.
+   *
+   * To view a detailed list of all available **control change** messages, please consult "Table 3 -
+   * Control Change Messages" from the [MIDI Messages](
+   * https://www.midi.org/specifications/item/table-3-control-change-messages-data-bytes-2)
+   * specification.
+   *
+   * **Note**: messages #0-31 (MSB) are paired with messages #32-63 (LSB). For example, message #1
+   * (`modulationwheelcoarse`) can be accompanied by a second control change message for
+   * `modulationwheelfine` to achieve a greater level of precision. if you want to specify both MSB
+   * and LSB for messages between `0` and `31`, you can do so by passing a 2-value array as the
+   * second parameter.
+   *
+   * @param {number|string} controller The MIDI controller name or number (`0` - `127`).
+   *
+   * @param {number|number[]} value The value to send (0-127). You can also use a two-position array
+   * for controllers 0 to 31. In this scenario, the first value will be sent as usual and the second
+   * value will be sent to the matching LSB controller (which is obtained by adding 32 to the first
+   * controller)
+   *
+   * @param {object} [options={}]
+   *
+   * @param {number|string} [options.time=(now)] If `time` is a string prefixed with `"+"` and
+   * followed by a number, the message will be delayed by that many milliseconds. If the value is a
+   * positive number
+   * ([`DOMHighResTimeStamp`]{@link https://developer.mozilla.org/docs/Web/API/DOMHighResTimeStamp}),
+   * the operation will be scheduled for that time. The current time can be retrieved with
+   * [`WebMidi.time`]{@link WebMidi#time}. If `options.time` is omitted, or in the past, the
+   * operation will be carried out as soon as possible.
+   *
+   * @throws {RangeError} Controller numbers must be between 0 and 127.
+   * @throws {RangeError} Invalid controller name.
+   * @throws {TypeError} The value array must have a length of 2.
+   *
+   * @returns {OutputChannel} Returns the `OutputChannel` object so methods can be chained.
+   *
+   * @license Apache-2.0
+   * @since 3.0.0
+   */sendControlChange(e,t,n={}){if("string"==typeof e&&(e=Utilities.getCcNumberByName(e)),Array.isArray(t)||(t=[t]),wm.validation){if(void 0===e)throw new TypeError("Control change must be identified with a valid name or an integer between 0 and 127.");if(!Number.isInteger(e)||!(e>=0&&e<=127))throw new TypeError("Control change number must be an integer between 0 and 127.");if(2===(t=t.map(e=>{const t=Math.min(Math.max(parseInt(e),0),127);if(isNaN(t))throw new TypeError("Values must be integers between 0 and 127");return t})).length&&e>=32)throw new TypeError("To use a value array, the controller must be between 0 and 31")}return t.forEach((r,i)=>{this.send([(Enumerations.CHANNEL_MESSAGES.controlchange<<4)+(this.number-1),e+32*i,t[i]],{time:Utilities.toTimestamp(n.time)})}),this}_selectNonRegisteredParameter(e,t={}){return this.sendControlChange(99,e[0],t),this.sendControlChange(98,e[1],t),this}_deselectRegisteredParameter(e={}){return this.sendControlChange(101,127,e),this.sendControlChange(100,127,e),this}_deselectNonRegisteredParameter(e={}){return this.sendControlChange(101,127,e),this.sendControlChange(100,127,e),this}_selectRegisteredParameter(e,t={}){return this.sendControlChange(101,e[0],t),this.sendControlChange(100,e[1],t),this}_setCurrentParameter(e,t={}){return e=[].concat(e),this.sendControlChange(6,e[0],t),e.length<2||this.sendControlChange(38,e[1],t),this}sendRpnDecrement(e,t={}){if(Array.isArray(e)||(e=Enumerations.REGISTERED_PARAMETERS[e]),wm.validation){if(void 0===e)throw new TypeError("The specified registered parameter is invalid.");let t=!1;if(Object.getOwnPropertyNames(Enumerations.REGISTERED_PARAMETERS).forEach(n=>{Enumerations.REGISTERED_PARAMETERS[n][0]===e[0]&&Enumerations.REGISTERED_PARAMETERS[n][1]===e[1]&&(t=!0)}),!t)throw new TypeError("The specified registered parameter is invalid.")}return this._selectRegisteredParameter(e,t),this.sendControlChange(97,0,t),this._deselectRegisteredParameter(t),this}sendRpnIncrement(e,t={}){if(Array.isArray(e)||(e=Enumerations.REGISTERED_PARAMETERS[e]),wm.validation){if(void 0===e)throw new TypeError("The specified registered parameter is invalid.");let t=!1;if(Object.getOwnPropertyNames(Enumerations.REGISTERED_PARAMETERS).forEach(n=>{Enumerations.REGISTERED_PARAMETERS[n][0]===e[0]&&Enumerations.REGISTERED_PARAMETERS[n][1]===e[1]&&(t=!0)}),!t)throw new TypeError("The specified registered parameter is invalid.")}return this._selectRegisteredParameter(e,t),this.sendControlChange(96,0,t),this._deselectRegisteredParameter(t),this}playNote(e,t={}){this.sendNoteOn(e,t);const n=Array.isArray(e)?e:[e];for(let e of n)if(parseInt(e.duration)>0){const n={time:(Utilities.toTimestamp(t.time)||wm.time)+parseInt(e.duration),release:e.release,rawRelease:e.rawRelease};this.sendNoteOff(e,n)}else if(parseInt(t.duration)>0){const n={time:(Utilities.toTimestamp(t.time)||wm.time)+parseInt(t.duration),release:t.release,rawRelease:t.rawRelease};this.sendNoteOff(e,n)}return this}sendNoteOff(e,t={}){if(wm.validation){if(null!=t.rawRelease&&!(t.rawRelease>=0&&t.rawRelease<=127))throw new RangeError("The 'rawRelease' option must be an integer between 0 and 127");if(null!=t.release&&!(t.release>=0&&t.release<=1))throw new RangeError("The 'release' option must be an number between 0 and 1");t.rawVelocity&&(t.rawRelease=t.velocity,console.warn("The 'rawVelocity' option is deprecated. Use 'rawRelease' instead.")),t.velocity&&(t.release=t.velocity,console.warn("The 'velocity' option is deprecated. Use 'attack' instead."))}let n=64;null!=t.rawRelease?n=t.rawRelease:isNaN(t.release)||(n=Math.round(127*t.release));const r=wm.octaveOffset+this.output.octaveOffset+this.octaveOffset;return Utilities.buildNoteArray(e,{rawRelease:parseInt(n)}).forEach(e=>{this.send([(Enumerations.CHANNEL_MESSAGES.noteoff<<4)+(this.number-1),e.getOffsetNumber(r),e.rawRelease],{time:Utilities.toTimestamp(t.time)})}),this}stopNote(e,t={}){return this.sendNoteOff(e,t)}sendNoteOn(e,t={}){if(wm.validation){if(null!=t.rawAttack&&!(t.rawAttack>=0&&t.rawAttack<=127))throw new RangeError("The 'rawAttack' option must be an integer between 0 and 127");if(null!=t.attack&&!(t.attack>=0&&t.attack<=1))throw new RangeError("The 'attack' option must be an number between 0 and 1");t.rawVelocity&&(t.rawAttack=t.velocity,t.rawRelease=t.release,console.warn("The 'rawVelocity' option is deprecated. Use 'rawAttack' or 'rawRelease'.")),t.velocity&&(t.attack=t.velocity,console.warn("The 'velocity' option is deprecated. Use 'attack' instead."))}let n=64;null!=t.rawAttack?n=t.rawAttack:isNaN(t.attack)||(n=Math.round(127*t.attack));const r=wm.octaveOffset+this.output.octaveOffset+this.octaveOffset;return Utilities.buildNoteArray(e,{rawAttack:n}).forEach(e=>{this.send([(Enumerations.CHANNEL_MESSAGES.noteon<<4)+(this.number-1),e.getOffsetNumber(r),e.rawAttack],{time:Utilities.toTimestamp(t.time)})}),this}sendChannelMode(e,t=0,n={}){if("string"==typeof e&&(e=Enumerations.CHANNEL_MODE_MESSAGES[e]),wm.validation){if(void 0===e)throw new TypeError("Invalid channel mode message name or number.");if(isNaN(e)||!(e>=120&&e<=127))throw new TypeError("Invalid channel mode message number.");if(isNaN(parseInt(t))||t<0||t>127)throw new RangeError("Value must be an integer between 0 and 127.")}return this.send([(Enumerations.CHANNEL_MESSAGES.controlchange<<4)+(this.number-1),e,t],{time:Utilities.toTimestamp(n.time)}),this}sendOmniMode(e,t={}){return void 0===e||e?this.sendChannelMode("omnimodeon",0,t):this.sendChannelMode("omnimodeoff",0,t),this}sendChannelAftertouch(e,t={}){if(wm.validation){if(isNaN(parseFloat(e)))throw new RangeError("Invalid channel aftertouch value.");if(t.rawValue){if(!(e>=0&&e<=127&&Number.isInteger(e)))throw new RangeError("Channel aftertouch raw value must be an integer between 0 and 127.")}else if(!(e>=0&&e<=1))throw new RangeError("Channel aftertouch value must be a float between 0 and 1.")}return t.rawValue||(e=Utilities.fromFloatTo7Bit(e)),this.send([(Enumerations.CHANNEL_MESSAGES.channelaftertouch<<4)+(this.number-1),Math.round(e)],{time:Utilities.toTimestamp(t.time)}),this}sendMasterTuning(e,t={}){if(e=parseFloat(e)||0,wm.validation&&!(e>-65&&e<64))throw new RangeError("The value must be a decimal number larger than -65 and smaller than 64.");let n=Math.floor(e)+64,r=e-Math.floor(e);r=Math.round((r+1)/2*16383);let i=r>>7&127,s=127&r;return this.sendRpnValue("channelcoarsetuning",n,t),this.sendRpnValue("channelfinetuning",[i,s],t),this}sendModulationRange(e,t,n={}){if(wm.validation){if(!Number.isInteger(e)||!(e>=0&&e<=127))throw new RangeError("The semitones value must be an integer between 0 and 127.");if(!(null==t||Number.isInteger(t)&&t>=0&&t<=127))throw new RangeError("If specified, the cents value must be an integer between 0 and 127.")}return t>=0&&t<=127||(t=0),this.sendRpnValue("modulationrange",[e,t],n),this}sendNrpnValue(e,t,n={}){if(t=[].concat(t),wm.validation){if(!Array.isArray(e)||!Number.isInteger(e[0])||!Number.isInteger(e[1]))throw new TypeError("The specified NRPN is invalid.");if(!(e[0]>=0&&e[0]<=127))throw new RangeError("The first byte of the NRPN must be between 0 and 127.");if(!(e[1]>=0&&e[1]<=127))throw new RangeError("The second byte of the NRPN must be between 0 and 127.");t.forEach(e=>{if(!(e>=0&&e<=127))throw new RangeError("The data bytes of the NRPN must be between 0 and 127.")})}return this._selectNonRegisteredParameter(e,n),this._setCurrentParameter(t,n),this._deselectNonRegisteredParameter(n),this}sendPitchBend(e,t={}){if(wm.validation)if(t.rawValue&&Array.isArray(e)){if(!(e[0]>=0&&e[0]<=127))throw new RangeError("The pitch bend MSB must be an integer between 0 and 127.");if(!(e[1]>=0&&e[1]<=127))throw new RangeError("The pitch bend LSB must be an integer between 0 and 127.")}else if(t.rawValue&&!Array.isArray(e)){if(!(e>=0&&e<=127))throw new RangeError("The pitch bend MSB must be an integer between 0 and 127.")}else{if(isNaN(e)||null===e)throw new RangeError("Invalid pitch bend value.");if(!(e>=-1&&e<=1))throw new RangeError("The pitch bend value must be a float between -1 and 1.")}let n=0,r=0;if(t.rawValue&&Array.isArray(e))n=e[0],r=e[1];else if(t.rawValue&&!Array.isArray(e))n=e;else{const t=Utilities.fromFloatToMsbLsb((e+1)/2);n=t.msb,r=t.lsb}return this.send([(Enumerations.CHANNEL_MESSAGES.pitchbend<<4)+(this.number-1),r,n],{time:Utilities.toTimestamp(t.time)}),this}sendPitchBendRange(e,t,n={}){if(wm.validation){if(!Number.isInteger(e)||!(e>=0&&e<=127))throw new RangeError("The semitones value must be an integer between 0 and 127.");if(!Number.isInteger(t)||!(t>=0&&t<=127))throw new RangeError("The cents value must be an integer between 0 and 127.")}return this.sendRpnValue("pitchbendrange",[e,t],n),this}sendProgramChange(e,t={}){if(e=parseInt(e)||0,wm.validation&&!(e>=0&&e<=127))throw new RangeError("The program number must be between 0 and 127.");return this.send([(Enumerations.CHANNEL_MESSAGES.programchange<<4)+(this.number-1),e],{time:Utilities.toTimestamp(t.time)}),this}sendRpnValue(e,t,n={}){if(Array.isArray(e)||(e=Enumerations.REGISTERED_PARAMETERS[e]),wm.validation){if(!Number.isInteger(e[0])||!Number.isInteger(e[1]))throw new TypeError("The specified NRPN is invalid.");if(!(e[0]>=0&&e[0]<=127))throw new RangeError("The first byte of the RPN must be between 0 and 127.");if(!(e[1]>=0&&e[1]<=127))throw new RangeError("The second byte of the RPN must be between 0 and 127.");[].concat(t).forEach(e=>{if(!(e>=0&&e<=127))throw new RangeError("The data bytes of the RPN must be between 0 and 127.")})}return this._selectRegisteredParameter(e,n),this._setCurrentParameter(t,n),this._deselectRegisteredParameter(n),this}sendTuningBank(e,t={}){if(wm.validation&&(!Number.isInteger(e)||!(e>=0&&e<=127)))throw new RangeError("The tuning bank number must be between 0 and 127.");return this.sendRpnValue("tuningbank",e,t),this}sendTuningProgram(e,t={}){if(wm.validation&&(!Number.isInteger(e)||!(e>=0&&e<=127)))throw new RangeError("The tuning program number must be between 0 and 127.");return this.sendRpnValue("tuningprogram",e,t),this}sendLocalControl(e,t={}){return e?this.sendChannelMode("localcontrol",127,t):this.sendChannelMode("localcontrol",0,t)}sendAllNotesOff(e={}){return this.sendChannelMode("allnotesoff",0,e)}sendAllSoundOff(e={}){return this.sendChannelMode("allsoundoff",0,e)}sendResetAllControllers(e={}){return this.sendChannelMode("resetallcontrollers",0,e)}sendPolyphonicMode(e,t={}){return"mono"===e?this.sendChannelMode("monomodeon",0,t):this.sendChannelMode("polymodeon",0,t)}get octaveOffset(){return this._octaveOffset}set octaveOffset(e){if(this.validation&&(e=parseInt(e),isNaN(e)))throw new TypeError("The 'octaveOffset' property must be an integer.");this._octaveOffset=e}get output(){return this._output}get number(){return this._number}}
+/**
+ * The `Output` class represents a single MIDI output port (not to be confused with a MIDI channel).
+ * A port is made available by a MIDI device. A MIDI device can advertise several input and output
+ * ports. Each port has 16 MIDI channels which can be accessed via the [`channels`](#channels)
+ * property.
+ *
+ * The `Output` object is automatically instantiated by the library according to the host's MIDI
+ * subsystem and should not be directly instantiated.
+ *
+ * You can access all available `Output` objects by referring to the
+ * [`WebMidi.outputs`](WebMidi#outputs) array or by using methods such as
+ * [`WebMidi.getOutputByName()`](WebMidi#getOutputByName) or
+ * [`WebMidi.getOutputById()`](WebMidi#getOutputById).
+ *
+ * @fires Output#opened
+ * @fires Output#disconnected
+ * @fires Output#closed
+ *
+ * @extends EventEmitter
+ * @license Apache-2.0
+ */class Output extends EventEmitter{constructor(e){super(),this._midiOutput=e,this._octaveOffset=0,this.channels=[];for(let e=1;e<=16;e++)this.channels[e]=new OutputChannel(this,e);this._midiOutput.onstatechange=this._onStateChange.bind(this)}async destroy(){this.removeListener(),this.channels.forEach(e=>e.destroy()),this.channels=[],this._midiOutput&&(this._midiOutput.onstatechange=null),await this.close(),this._midiOutput=null}_onStateChange(e){let t={timestamp:wm.time};"open"===e.port.connection?(t.type="opened",t.target=this,t.port=t.target,this.emit("opened",t)):"closed"===e.port.connection&&"connected"===e.port.state?(t.type="closed",t.target=this,t.port=t.target,this.emit("closed",t)):"closed"===e.port.connection&&"disconnected"===e.port.state?(t.type="disconnected",t.port={connection:e.port.connection,id:e.port.id,manufacturer:e.port.manufacturer,name:e.port.name,state:e.port.state,type:e.port.type},this.emit("disconnected",t)):"pending"===e.port.connection&&"disconnected"===e.port.state||console.warn("This statechange event was not caught:",e.port.connection,e.port.state)}async open(){try{return await this._midiOutput.open(),Promise.resolve(this)}catch(e){return Promise.reject(e)}}async close(){this._midiOutput?await this._midiOutput.close():await Promise.resolve()}
+/**
+   * Sends a MIDI message on the MIDI output port. If no time is specified, the message will be
+   * sent immediately. The message should be an array of 8 bit unsigned integers (0-225), a
+   * [`Uint8Array`]{@link https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Uint8Array}
+   * object or a [`Message`](Message) object.
+   *
+   * It is usually not necessary to use this method directly as you can use one of the simpler
+   * helper methods such as [`playNote()`](#playNote), [`stopNote()`](#stopNote),
+   * [`sendControlChange()`](#sendControlChange), etc.
+   *
+   * Details on the format of MIDI messages are available in the summary of
+   * [MIDI messages]{@link https://www.midi.org/specifications-old/item/table-1-summary-of-midi-message}
+   * from the MIDI Manufacturers Association.
+   *
+   * @param message {number[]|Uint8Array|Message} An array of 8bit unsigned integers, a `Uint8Array`
+   * object (not available in Node.js) containing the message bytes or a `Message` object.
+   *
+   * @param {object} [options={}]
+   *
+   * @param {number|string} [options.time=(now)] If `time` is a string prefixed with `"+"` and
+   * followed by a number, the message will be delayed by that many milliseconds. If the value is a
+   * positive number
+   * ([`DOMHighResTimeStamp`]{@link https://developer.mozilla.org/docs/Web/API/DOMHighResTimeStamp}),
+   * the operation will be scheduled for that time. The current time can be retrieved with
+   * [`WebMidi.time`]{@link WebMidi#time}. If `options.time` is omitted, or in the past, the
+   * operation will be carried out as soon as possible.
+   *
+   * @throws {RangeError} The first byte (status) must be an integer between 128 and 255.
+   *
+   * @returns {Output} Returns the `Output` object so methods can be chained.
+   *
+   * @license Apache-2.0
+   */send(e,t={time:0},n=0){if(e instanceof Message&&(e=Utilities.isNode?e.data:e.rawData),e instanceof Uint8Array&&Utilities.isNode&&(e=Array.from(e)),wm.validation){if(Array.isArray(e)||e instanceof Uint8Array||(e=[e],Array.isArray(t)&&(e=e.concat(t)),t=isNaN(n)?{time:0}:{time:n}),!(parseInt(e[0])>=128&&parseInt(e[0])<=255))throw new RangeError("The first byte (status) must be an integer between 128 and 255.");e.slice(1).forEach(e=>{if(!((e=parseInt(e))>=0&&e<=255))throw new RangeError("Data bytes must be integers between 0 and 255.")}),t||(t={time:0})}return this._midiOutput.send(e,Utilities.toTimestamp(t.time)),this}sendSysex(e,t=[],n={}){if(e=[].concat(e),t instanceof Uint8Array){const r=new Uint8Array(1+e.length+t.length+1);r[0]=Enumerations.SYSTEM_MESSAGES.sysex,r.set(Uint8Array.from(e),1),r.set(t,1+e.length),r[r.length-1]=Enumerations.SYSTEM_MESSAGES.sysexend,this.send(r,{time:n.time})}else{const r=e.concat(t,Enumerations.SYSTEM_MESSAGES.sysexend);this.send([Enumerations.SYSTEM_MESSAGES.sysex].concat(r),{time:n.time})}return this}clear(){return this._midiOutput.clear?this._midiOutput.clear():wm.validation&&console.warn("The 'clear()' method has not yet been implemented in your environment."),this}sendTimecodeQuarterFrame(e,t={}){if(wm.validation&&(e=parseInt(e),isNaN(e)||!(e>=0&&e<=127)))throw new RangeError("The value must be an integer between 0 and 127.");return this.send([Enumerations.SYSTEM_MESSAGES.timecode,e],{time:t.time}),this}sendSongPosition(e=0,t={}){var n=(e=Math.floor(e)||0)>>7&127,r=127&e;return this.send([Enumerations.SYSTEM_MESSAGES.songposition,n,r],{time:t.time}),this}sendSongSelect(e=0,t={}){if(wm.validation&&(e=parseInt(e),isNaN(e)||!(e>=0&&e<=127)))throw new RangeError("The program value must be between 0 and 127");return this.send([Enumerations.SYSTEM_MESSAGES.songselect,e],{time:t.time}),this}sendTuneRequest(e={}){return this.send([Enumerations.SYSTEM_MESSAGES.tunerequest],{time:e.time}),this}sendClock(e={}){return this.send([Enumerations.SYSTEM_MESSAGES.clock],{time:e.time}),this}sendStart(e={}){return this.send([Enumerations.SYSTEM_MESSAGES.start],{time:e.time}),this}sendContinue(e={}){return this.send([Enumerations.SYSTEM_MESSAGES.continue],{time:e.time}),this}sendStop(e={}){return this.send([Enumerations.SYSTEM_MESSAGES.stop],{time:e.time}),this}sendActiveSensing(e={}){return this.send([Enumerations.SYSTEM_MESSAGES.activesensing],{time:e.time}),this}sendReset(e={}){return this.send([Enumerations.SYSTEM_MESSAGES.reset],{time:e.time}),this}sendTuningRequest(e={}){return wm.validation&&console.warn("The sendTuningRequest() method has been deprecated. Use sendTuningRequest() instead."),this.sendTuneRequest(e)}sendKeyAftertouch(e,t,n={}){return null==n.channels&&(n.channels=Enumerations.MIDI_CHANNEL_NUMBERS),Utilities.sanitizeChannels(n.channels).forEach(r=>{this.channels[r].sendKeyAftertouch(e,t,n)}),this}sendControlChange(e,t,n={},r={}){if(wm.validation&&(Array.isArray(n)||Number.isInteger(n)||"all"===n)){const e=n;(n=r).channels=e,"all"===n.channels&&(n.channels=Enumerations.MIDI_CHANNEL_NUMBERS)}return null==n.channels&&(n.channels=Enumerations.MIDI_CHANNEL_NUMBERS),Utilities.sanitizeChannels(n.channels).forEach(r=>{this.channels[r].sendControlChange(e,t,n)}),this}sendPitchBendRange(e=0,t=0,n={}){return null==n.channels&&(n.channels=Enumerations.MIDI_CHANNEL_NUMBERS),Utilities.sanitizeChannels(n.channels).forEach(r=>{this.channels[r].sendPitchBendRange(e,t,n)}),this}setPitchBendRange(e=0,t=0,n="all",r={}){return wm.validation&&(console.warn("The setPitchBendRange() method is deprecated. Use sendPitchBendRange() instead."),r.channels=n,"all"===r.channels&&(r.channels=Enumerations.MIDI_CHANNEL_NUMBERS)),this.sendPitchBendRange(e,t,r)}sendRpnValue(e,t,n={}){return null==n.channels&&(n.channels=Enumerations.MIDI_CHANNEL_NUMBERS),Utilities.sanitizeChannels(n.channels).forEach(r=>{this.channels[r].sendRpnValue(e,t,n)}),this}setRegisteredParameter(e,t=[],n="all",r={}){return wm.validation&&(console.warn("The setRegisteredParameter() method is deprecated. Use sendRpnValue() instead."),r.channels=n,"all"===r.channels&&(r.channels=Enumerations.MIDI_CHANNEL_NUMBERS)),this.sendRpnValue(e,t,r)}sendChannelAftertouch(e,t={},n={}){if(wm.validation&&(Array.isArray(t)||Number.isInteger(t)||"all"===t)){const e=t;(t=n).channels=e,"all"===t.channels&&(t.channels=Enumerations.MIDI_CHANNEL_NUMBERS)}return null==t.channels&&(t.channels=Enumerations.MIDI_CHANNEL_NUMBERS),Utilities.sanitizeChannels(t.channels).forEach(n=>{this.channels[n].sendChannelAftertouch(e,t)}),this}sendPitchBend(e,t={},n={}){if(wm.validation&&(Array.isArray(t)||Number.isInteger(t)||"all"===t)){const e=t;(t=n).channels=e,"all"===t.channels&&(t.channels=Enumerations.MIDI_CHANNEL_NUMBERS)}return null==t.channels&&(t.channels=Enumerations.MIDI_CHANNEL_NUMBERS),Utilities.sanitizeChannels(t.channels).forEach(n=>{this.channels[n].sendPitchBend(e,t)}),this}sendProgramChange(e=0,t={},n={}){if(wm.validation&&(Array.isArray(t)||Number.isInteger(t)||"all"===t)){const e=t;(t=n).channels=e,"all"===t.channels&&(t.channels=Enumerations.MIDI_CHANNEL_NUMBERS)}return null==t.channels&&(t.channels=Enumerations.MIDI_CHANNEL_NUMBERS),Utilities.sanitizeChannels(t.channels).forEach(n=>{this.channels[n].sendProgramChange(e,t)}),this}sendModulationRange(e,t,n={}){return null==n.channels&&(n.channels=Enumerations.MIDI_CHANNEL_NUMBERS),Utilities.sanitizeChannels(n.channels).forEach(r=>{this.channels[r].sendModulationRange(e,t,n)}),this}setModulationRange(e=0,t=0,n="all",r={}){return wm.validation&&(console.warn("The setModulationRange() method is deprecated. Use sendModulationRange() instead."),r.channels=n,"all"===r.channels&&(r.channels=Enumerations.MIDI_CHANNEL_NUMBERS)),this.sendModulationRange(e,t,r)}sendMasterTuning(e,t={}){return null==t.channels&&(t.channels=Enumerations.MIDI_CHANNEL_NUMBERS),Utilities.sanitizeChannels(t.channels).forEach(n=>{this.channels[n].sendMasterTuning(e,t)}),this}setMasterTuning(e,t={},n={}){return wm.validation&&(console.warn("The setMasterTuning() method is deprecated. Use sendMasterTuning() instead."),n.channels=t,"all"===n.channels&&(n.channels=Enumerations.MIDI_CHANNEL_NUMBERS)),this.sendMasterTuning(e,n)}sendTuningProgram(e,t={}){return null==t.channels&&(t.channels=Enumerations.MIDI_CHANNEL_NUMBERS),Utilities.sanitizeChannels(t.channels).forEach(n=>{this.channels[n].sendTuningProgram(e,t)}),this}setTuningProgram(e,t="all",n={}){return wm.validation&&(console.warn("The setTuningProgram() method is deprecated. Use sendTuningProgram() instead."),n.channels=t,"all"===n.channels&&(n.channels=Enumerations.MIDI_CHANNEL_NUMBERS)),this.sendTuningProgram(e,n)}sendTuningBank(e=0,t={}){return null==t.channels&&(t.channels=Enumerations.MIDI_CHANNEL_NUMBERS),Utilities.sanitizeChannels(t.channels).forEach(n=>{this.channels[n].sendTuningBank(e,t)}),this}setTuningBank(e,t="all",n={}){return wm.validation&&(console.warn("The setTuningBank() method is deprecated. Use sendTuningBank() instead."),n.channels=t,"all"===n.channels&&(n.channels=Enumerations.MIDI_CHANNEL_NUMBERS)),this.sendTuningBank(e,n)}sendChannelMode(e,t=0,n={},r={}){if(wm.validation&&(Array.isArray(n)||Number.isInteger(n)||"all"===n)){const e=n;(n=r).channels=e,"all"===n.channels&&(n.channels=Enumerations.MIDI_CHANNEL_NUMBERS)}return null==n.channels&&(n.channels=Enumerations.MIDI_CHANNEL_NUMBERS),Utilities.sanitizeChannels(n.channels).forEach(r=>{this.channels[r].sendChannelMode(e,t,n)}),this}sendAllSoundOff(e={}){return null==e.channels&&(e.channels=Enumerations.MIDI_CHANNEL_NUMBERS),Utilities.sanitizeChannels(e.channels).forEach(t=>{this.channels[t].sendAllSoundOff(e)}),this}sendAllNotesOff(e={}){return null==e.channels&&(e.channels=Enumerations.MIDI_CHANNEL_NUMBERS),Utilities.sanitizeChannels(e.channels).forEach(t=>{this.channels[t].sendAllNotesOff(e)}),this}sendResetAllControllers(e={},t={}){if(wm.validation&&(Array.isArray(e)||Number.isInteger(e)||"all"===e)){const n=e;(e=t).channels=n,"all"===e.channels&&(e.channels=Enumerations.MIDI_CHANNEL_NUMBERS)}return null==e.channels&&(e.channels=Enumerations.MIDI_CHANNEL_NUMBERS),Utilities.sanitizeChannels(e.channels).forEach(t=>{this.channels[t].sendResetAllControllers(e)}),this}sendPolyphonicMode(e,t={},n={}){if(wm.validation&&(Array.isArray(t)||Number.isInteger(t)||"all"===t)){const e=t;(t=n).channels=e,"all"===t.channels&&(t.channels=Enumerations.MIDI_CHANNEL_NUMBERS)}return null==t.channels&&(t.channels=Enumerations.MIDI_CHANNEL_NUMBERS),Utilities.sanitizeChannels(t.channels).forEach(n=>{this.channels[n].sendPolyphonicMode(e,t)}),this}sendLocalControl(e,t={},n={}){if(wm.validation&&(Array.isArray(t)||Number.isInteger(t)||"all"===t)){const e=t;(t=n).channels=e,"all"===t.channels&&(t.channels=Enumerations.MIDI_CHANNEL_NUMBERS)}return null==t.channels&&(t.channels=Enumerations.MIDI_CHANNEL_NUMBERS),Utilities.sanitizeChannels(t.channels).forEach(n=>{this.channels[n].sendLocalControl(e,t)}),this}sendOmniMode(e,t={},n={}){if(wm.validation&&(Array.isArray(t)||Number.isInteger(t)||"all"===t)){const e=t;(t=n).channels=e,"all"===t.channels&&(t.channels=Enumerations.MIDI_CHANNEL_NUMBERS)}return null==t.channels&&(t.channels=Enumerations.MIDI_CHANNEL_NUMBERS),Utilities.sanitizeChannels(t.channels).forEach(n=>{this.channels[n].sendOmniMode(e,t)}),this}sendNrpnValue(e,t,n={}){return null==n.channels&&(n.channels=Enumerations.MIDI_CHANNEL_NUMBERS),Utilities.sanitizeChannels(n.channels).forEach(r=>{this.channels[r].sendNrpnValue(e,t,n)}),this}setNonRegisteredParameter(e,t=[],n="all",r={}){return wm.validation&&(console.warn("The setNonRegisteredParameter() method is deprecated. Use sendNrpnValue() instead."),r.channels=n,"all"===r.channels&&(r.channels=Enumerations.MIDI_CHANNEL_NUMBERS)),this.sendNrpnValue(e,t,r)}sendRpnIncrement(e,t={}){return null==t.channels&&(t.channels=Enumerations.MIDI_CHANNEL_NUMBERS),Utilities.sanitizeChannels(t.channels).forEach(n=>{this.channels[n].sendRpnIncrement(e,t)}),this}incrementRegisteredParameter(e,t="all",n={}){return wm.validation&&(console.warn("The incrementRegisteredParameter() method is deprecated. Use sendRpnIncrement() instead."),n.channels=t,"all"===n.channels&&(n.channels=Enumerations.MIDI_CHANNEL_NUMBERS)),this.sendRpnIncrement(e,n)}sendRpnDecrement(e,t={}){return null==t.channels&&(t.channels=Enumerations.MIDI_CHANNEL_NUMBERS),Utilities.sanitizeChannels(t.channels).forEach(n=>{this.channels[n].sendRpnDecrement(e,t)}),this}decrementRegisteredParameter(e,t="all",n={}){return wm.validation&&(console.warn("The decrementRegisteredParameter() method is deprecated. Use sendRpnDecrement() instead."),n.channels=t,"all"===n.channels&&(n.channels=Enumerations.MIDI_CHANNEL_NUMBERS)),this.sendRpnDecrement(e,n)}sendNoteOff(e,t={},n={}){if(wm.validation&&(Array.isArray(t)||Number.isInteger(t)||"all"===t)){const e=t;(t=n).channels=e,"all"===t.channels&&(t.channels=Enumerations.MIDI_CHANNEL_NUMBERS)}return null==t.channels&&(t.channels=Enumerations.MIDI_CHANNEL_NUMBERS),Utilities.sanitizeChannels(t.channels).forEach(n=>{this.channels[n].sendNoteOff(e,t)}),this}stopNote(e,t){return this.sendNoteOff(e,t)}playNote(e,t={},n={}){if(wm.validation&&(t.rawVelocity&&console.warn("The 'rawVelocity' option is deprecated. Use 'rawAttack' instead."),t.velocity&&console.warn("The 'velocity' option is deprecated. Use 'velocity' instead."),Array.isArray(t)||Number.isInteger(t)||"all"===t)){const e=t;(t=n).channels=e,"all"===t.channels&&(t.channels=Enumerations.MIDI_CHANNEL_NUMBERS)}return null==t.channels&&(t.channels=Enumerations.MIDI_CHANNEL_NUMBERS),Utilities.sanitizeChannels(t.channels).forEach(n=>{this.channels[n].playNote(e,t)}),this}sendNoteOn(e,t={},n={}){if(wm.validation&&(Array.isArray(t)||Number.isInteger(t)||"all"===t)){const e=t;(t=n).channels=e,"all"===t.channels&&(t.channels=Enumerations.MIDI_CHANNEL_NUMBERS)}return null==t.channels&&(t.channels=Enumerations.MIDI_CHANNEL_NUMBERS),Utilities.sanitizeChannels(t.channels).forEach(n=>{this.channels[n].sendNoteOn(e,t)}),this}get name(){return this._midiOutput.name}get id(){return this._midiOutput.id}get connection(){return this._midiOutput.connection}get manufacturer(){return this._midiOutput.manufacturer}get state(){return this._midiOutput.state}get type(){return this._midiOutput.type}get octaveOffset(){return this._octaveOffset}set octaveOffset(e){if(this.validation&&(e=parseInt(e),isNaN(e)))throw new TypeError("The 'octaveOffset' property must be an integer.");this._octaveOffset=e}}
+/**
+ * The `Forwarder` class allows the forwarding of MIDI messages to predetermined outputs. When you
+ * call its [`forward()`](#forward) method, it will send the specified [`Message`](Message) object
+ * to all the outputs listed in its [`destinations`](#destinations) property.
+ *
+ * If specific channels or message types have been defined in the [`channels`](#channels) or
+ * [`types`](#types) properties, only messages matching the channels/types will be forwarded.
+ *
+ * While it can be manually instantiated, you are more likely to come across a `Forwarder` object as
+ * the return value of the [`Input.addForwarder()`](Input#addForwarder) method.
+ *
+ * @license Apache-2.0
+ * @since 3.0.0
+ */class Forwarder{constructor(e=[],t={}){this.destinations=[],this.types=[...Object.keys(Enumerations.SYSTEM_MESSAGES),...Object.keys(Enumerations.CHANNEL_MESSAGES)],this.channels=Enumerations.MIDI_CHANNEL_NUMBERS,this.suspended=!1,Array.isArray(e)||(e=[e]),t.types&&!Array.isArray(t.types)&&(t.types=[t.types]),t.channels&&!Array.isArray(t.channels)&&(t.channels=[t.channels]),wm.validation&&(e.forEach(e=>{if(!(e instanceof Output))throw new TypeError("Destinations must be of type 'Output'.")}),void 0!==t.types&&t.types.forEach(e=>{if(!Enumerations.SYSTEM_MESSAGES.hasOwnProperty(e)&&!Enumerations.CHANNEL_MESSAGES.hasOwnProperty(e))throw new TypeError("Type must be a valid message type.")}),void 0!==t.channels&&t.channels.forEach(e=>{if(!Enumerations.MIDI_CHANNEL_NUMBERS.includes(e))throw new TypeError("MIDI channel must be between 1 and 16.")})),this.destinations=e,t.types&&(this.types=t.types),t.channels&&(this.channels=t.channels)}forward(e){this.suspended||this.types.includes(e.type)&&(e.channel&&!this.channels.includes(e.channel)||this.destinations.forEach(t=>{(!wm.validation||t instanceof Output)&&t.send(e)}))}}
+/**
+ * The `InputChannel` class represents a single MIDI input channel (1-16) from a single input
+ * device. This object is derived from the host's MIDI subsystem and should not be instantiated
+ * directly.
+ *
+ * All 16 `InputChannel` objects can be found inside the input's [`channels`](Input#channels)
+ * property.
+ *
+ * @fires InputChannel#midimessage
+ * @fires InputChannel#unknownmessage
+ *
+ * @fires InputChannel#noteoff
+ * @fires InputChannel#noteon
+ * @fires InputChannel#keyaftertouch
+ * @fires InputChannel#programchange
+ * @fires InputChannel#channelaftertouch
+ * @fires InputChannel#pitchbend
+ *
+ * @fires InputChannel#allnotesoff
+ * @fires InputChannel#allsoundoff
+ * @fires InputChannel#localcontrol
+ * @fires InputChannel#monomode
+ * @fires InputChannel#omnimode
+ * @fires InputChannel#resetallcontrollers
+ *
+ * @fires InputChannel#event:nrpn
+ * @fires InputChannel#event:nrpn-dataentrycoarse
+ * @fires InputChannel#event:nrpn-dataentryfine
+ * @fires InputChannel#event:nrpn-dataincrement
+ * @fires InputChannel#event:nrpn-datadecrement
+ * @fires InputChannel#event:rpn
+ * @fires InputChannel#event:rpn-dataentrycoarse
+ * @fires InputChannel#event:rpn-dataentryfine
+ * @fires InputChannel#event:rpn-dataincrement
+ * @fires InputChannel#event:rpn-datadecrement
+ *
+ * @fires InputChannel#controlchange
+ * @fires InputChannel#event:controlchange-controllerxxx
+ * @fires InputChannel#event:controlchange-bankselectcoarse
+ * @fires InputChannel#event:controlchange-modulationwheelcoarse
+ * @fires InputChannel#event:controlchange-breathcontrollercoarse
+ * @fires InputChannel#event:controlchange-footcontrollercoarse
+ * @fires InputChannel#event:controlchange-portamentotimecoarse
+ * @fires InputChannel#event:controlchange-dataentrycoarse
+ * @fires InputChannel#event:controlchange-volumecoarse
+ * @fires InputChannel#event:controlchange-balancecoarse
+ * @fires InputChannel#event:controlchange-pancoarse
+ * @fires InputChannel#event:controlchange-expressioncoarse
+ * @fires InputChannel#event:controlchange-effectcontrol1coarse
+ * @fires InputChannel#event:controlchange-effectcontrol2coarse
+ * @fires InputChannel#event:controlchange-generalpurposecontroller1
+ * @fires InputChannel#event:controlchange-generalpurposecontroller2
+ * @fires InputChannel#event:controlchange-generalpurposecontroller3
+ * @fires InputChannel#event:controlchange-generalpurposecontroller4
+ * @fires InputChannel#event:controlchange-bankselectfine
+ * @fires InputChannel#event:controlchange-modulationwheelfine
+ * @fires InputChannel#event:controlchange-breathcontrollerfine
+ * @fires InputChannel#event:controlchange-footcontrollerfine
+ * @fires InputChannel#event:controlchange-portamentotimefine
+ * @fires InputChannel#event:controlchange-dataentryfine
+ * @fires InputChannel#event:controlchange-channelvolumefine
+ * @fires InputChannel#event:controlchange-balancefine
+ * @fires InputChannel#event:controlchange-panfine
+ * @fires InputChannel#event:controlchange-expressionfine
+ * @fires InputChannel#event:controlchange-effectcontrol1fine
+ * @fires InputChannel#event:controlchange-effectcontrol2fine
+ * @fires InputChannel#event:controlchange-damperpedal
+ * @fires InputChannel#event:controlchange-portamento
+ * @fires InputChannel#event:controlchange-sostenuto
+ * @fires InputChannel#event:controlchange-softpedal
+ * @fires InputChannel#event:controlchange-legatopedal
+ * @fires InputChannel#event:controlchange-hold2
+ * @fires InputChannel#event:controlchange-soundvariation
+ * @fires InputChannel#event:controlchange-resonance
+ * @fires InputChannel#event:controlchange-releasetime
+ * @fires InputChannel#event:controlchange-attacktime
+ * @fires InputChannel#event:controlchange-brightness
+ * @fires InputChannel#event:controlchange-decaytime
+ * @fires InputChannel#event:controlchange-vibratorate
+ * @fires InputChannel#event:controlchange-vibratodepth
+ * @fires InputChannel#event:controlchange-vibratodelay
+ * @fires InputChannel#event:controlchange-generalpurposecontroller5
+ * @fires InputChannel#event:controlchange-generalpurposecontroller6
+ * @fires InputChannel#event:controlchange-generalpurposecontroller7
+ * @fires InputChannel#event:controlchange-generalpurposecontroller8
+ * @fires InputChannel#event:controlchange-portamentocontrol
+ * @fires InputChannel#event:controlchange-highresolutionvelocityprefix
+ * @fires InputChannel#event:controlchange-effect1depth
+ * @fires InputChannel#event:controlchange-effect2depth
+ * @fires InputChannel#event:controlchange-effect3depth
+ * @fires InputChannel#event:controlchange-effect4depth
+ * @fires InputChannel#event:controlchange-effect5depth
+ * @fires InputChannel#event:controlchange-dataincrement
+ * @fires InputChannel#event:controlchange-datadecrement
+ * @fires InputChannel#event:controlchange-nonregisteredparameterfine
+ * @fires InputChannel#event:controlchange-nonregisteredparametercoarse
+ * @fires InputChannel#event:controlchange-registeredparameterfine
+ * @fires InputChannel#event:controlchange-registeredparametercoarse
+ * @fires InputChannel#event:controlchange-allsoundoff
+ * @fires InputChannel#event:controlchange-resetallcontrollers
+ * @fires InputChannel#event:controlchange-localcontrol
+ * @fires InputChannel#event:controlchange-allnotesoff
+ * @fires InputChannel#event:controlchange-omnimodeoff
+ * @fires InputChannel#event:controlchange-omnimodeon
+ * @fires InputChannel#event:controlchange-monomodeon
+ * @fires InputChannel#event:controlchange-polymodeon
+ * @fires InputChannel#event:
+ *
+ * @extends EventEmitter
+ * @license Apache-2.0
+ * @since 3.0.0
+ */class InputChannel extends EventEmitter{constructor(e,t){super(),this._input=e,this._number=t,this._octaveOffset=0,this._nrpnBuffer=[],this._rpnBuffer=[],this.parameterNumberEventsEnabled=!0,this.notesState=new Array(128).fill(!1)}destroy(){this._input=null,this._number=null,this._octaveOffset=0,this._nrpnBuffer=[],this.notesState=new Array(128).fill(!1),this.parameterNumberEventsEnabled=!1,this.removeListener()}_processMidiMessageEvent(e){const t=Object.assign({},e);t.port=this.input,t.target=this,t.type="midimessage",this.emit(t.type,t),this._parseEventForStandardMessages(t)}_parseEventForStandardMessages(e){const t=Object.assign({},e);t.type=t.message.type||"unknownmessage";const n=e.message.dataBytes[0],r=e.message.dataBytes[1];if("noteoff"===t.type||"noteon"===t.type&&0===r)this.notesState[n]=!1,t.type="noteoff",t.note=new Note(Utilities.offsetNumber(n,this.octaveOffset+this.input.octaveOffset+wm.octaveOffset),{rawAttack:0,rawRelease:r}),t.value=Utilities.from7bitToFloat(r),t.rawValue=r,t.velocity=t.note.release,t.rawVelocity=t.note.rawRelease;else if("noteon"===t.type)this.notesState[n]=!0,t.note=new Note(Utilities.offsetNumber(n,this.octaveOffset+this.input.octaveOffset+wm.octaveOffset),{rawAttack:r}),t.value=Utilities.from7bitToFloat(r),t.rawValue=r,t.velocity=t.note.attack,t.rawVelocity=t.note.rawAttack;else if("keyaftertouch"===t.type)t.note=new Note(Utilities.offsetNumber(n,this.octaveOffset+this.input.octaveOffset+wm.octaveOffset)),t.value=Utilities.from7bitToFloat(r),t.rawValue=r,t.identifier=t.note.identifier,t.key=t.note.number,t.rawKey=n;else if("controlchange"===t.type){t.controller={number:n,name:Enumerations.CONTROL_CHANGE_MESSAGES[n].name,description:Enumerations.CONTROL_CHANGE_MESSAGES[n].description,position:Enumerations.CONTROL_CHANGE_MESSAGES[n].position},t.subtype=t.controller.name||"controller"+n,t.value=Utilities.from7bitToFloat(r),t.rawValue=r;const e=Object.assign({},t);e.type=`${t.type}-controller${n}`,delete e.subtype,this.emit(e.type,e);const i=Object.assign({},t);i.type=t.type+"-"+Enumerations.CONTROL_CHANGE_MESSAGES[n].name,delete i.subtype,0!==i.type.indexOf("controller")&&this.emit(i.type,i),t.message.dataBytes[0]>=120&&this._parseChannelModeMessage(t),this.parameterNumberEventsEnabled&&this._isRpnOrNrpnController(t.message.dataBytes[0])&&this._parseEventForParameterNumber(t)}else"programchange"===t.type?(t.value=n,t.rawValue=t.value):"channelaftertouch"===t.type?(t.value=Utilities.from7bitToFloat(n),t.rawValue=n):"pitchbend"===t.type?(t.value=((r<<7)+n-8192)/8192,t.rawValue=(r<<7)+n):t.type="unknownmessage";this.emit(t.type,t)}_parseChannelModeMessage(e){const t=Object.assign({},e);t.type=t.controller.name,"localcontrol"===t.type&&(t.value=127===t.message.data[2],t.rawValue=t.message.data[2]),"omnimodeon"===t.type?(t.type="omnimode",t.value=!0,t.rawValue=t.message.data[2]):"omnimodeoff"===t.type&&(t.type="omnimode",t.value=!1,t.rawValue=t.message.data[2]),"monomodeon"===t.type?(t.type="monomode",t.value=!0,t.rawValue=t.message.data[2]):"polymodeon"===t.type&&(t.type="monomode",t.value=!1,t.rawValue=t.message.data[2]),this.emit(t.type,t)}_parseEventForParameterNumber(e){const t=e.message.dataBytes[0],n=e.message.dataBytes[1];99===t||101===t?(this._nrpnBuffer=[],this._rpnBuffer=[],99===t?this._nrpnBuffer=[e.message]:127!==n&&(this._rpnBuffer=[e.message])):98===t||100===t?98===t?(this._rpnBuffer=[],1===this._nrpnBuffer.length?this._nrpnBuffer.push(e.message):this._nrpnBuffer=[]):(this._nrpnBuffer=[],1===this._rpnBuffer.length&&127!==n?this._rpnBuffer.push(e.message):this._rpnBuffer=[]):6!==t&&38!==t&&96!==t&&97!==t||(2===this._rpnBuffer.length?this._dispatchParameterNumberEvent("rpn",this._rpnBuffer[0].dataBytes[1],this._rpnBuffer[1].dataBytes[1],e):2===this._nrpnBuffer.length?this._dispatchParameterNumberEvent("nrpn",this._nrpnBuffer[0].dataBytes[1],this._nrpnBuffer[1].dataBytes[1],e):(this._nrpnBuffer=[],this._rpnBuffer=[]))}_isRpnOrNrpnController(e){return 6===e||38===e||96===e||97===e||98===e||99===e||100===e||101===e}_dispatchParameterNumberEvent(e,t,n,r){e="nrpn"===e?"nrpn":"rpn";const i={target:r.target,timestamp:r.timestamp,message:r.message,parameterMsb:t,parameterLsb:n,value:Utilities.from7bitToFloat(r.message.dataBytes[1]),rawValue:r.message.dataBytes[1]};i.parameter="rpn"===e?Object.keys(Enumerations.REGISTERED_PARAMETERS).find(e=>Enumerations.REGISTERED_PARAMETERS[e][0]===t&&Enumerations.REGISTERED_PARAMETERS[e][1]===n):(t<<7)+n;const s=Enumerations.CONTROL_CHANGE_MESSAGES[r.message.dataBytes[0]].name;i.type=`${e}-${s}`,this.emit(i.type,i);const a=Object.assign({},i);"nrpn-dataincrement"===a.type?a.type="nrpn-databuttonincrement":"nrpn-datadecrement"===a.type?a.type="nrpn-databuttondecrement":"rpn-dataincrement"===a.type?a.type="rpn-databuttonincrement":"rpn-datadecrement"===a.type&&(a.type="rpn-databuttondecrement"),this.emit(a.type,a),i.type=e,i.subtype=s,this.emit(i.type,i)}getChannelModeByNumber(e){return wm.validation&&(console.warn("The 'getChannelModeByNumber()' method has been moved to the 'Utilities' class."),e=Math.floor(e)),Utilities.getChannelModeByNumber(e)}getCcNameByNumber(e){if(wm.validation&&(console.warn("The 'getCcNameByNumber()' method has been moved to the 'Utilities' class."),!((e=parseInt(e))>=0&&e<=127)))throw new RangeError("Invalid control change number.");return Utilities.getCcNameByNumber(e)}getNoteState(e){e instanceof Note&&(e=e.identifier);const t=Utilities.guessNoteNumber(e,wm.octaveOffset+this.input.octaveOffset+this.octaveOffset);return this.notesState[t]}get octaveOffset(){return this._octaveOffset}set octaveOffset(e){if(this.validation&&(e=parseInt(e),isNaN(e)))throw new TypeError("The 'octaveOffset' property must be an integer.");this._octaveOffset=e}get input(){return this._input}get number(){return this._number}get nrpnEventsEnabled(){return this.parameterNumberEventsEnabled}set nrpnEventsEnabled(e){this.validation&&(e=!!e),this.parameterNumberEventsEnabled=e}}
+/**
+ * The `Message` class represents a single MIDI message. It has several properties that make it
+ * easy to make sense of the binary data it contains.
+ *
+ * @license Apache-2.0
+ * @since 3.0.0
+ */class Message{constructor(e){this.rawData=e,this.data=Array.from(this.rawData),this.statusByte=this.rawData[0],this.rawDataBytes=this.rawData.slice(1),this.dataBytes=this.data.slice(1),this.isChannelMessage=!1,this.isSystemMessage=!1,this.command=void 0,this.channel=void 0,this.manufacturerId=void 0,this.type=void 0,this.statusByte<240?(this.isChannelMessage=!0,this.command=this.statusByte>>4,this.channel=1+(15&this.statusByte)):(this.isSystemMessage=!0,this.command=this.statusByte),this.isChannelMessage?this.type=Utilities.getPropertyByValue(Enumerations.CHANNEL_MESSAGES,this.command):this.isSystemMessage&&(this.type=Utilities.getPropertyByValue(Enumerations.SYSTEM_MESSAGES,this.command)),this.statusByte===Enumerations.SYSTEM_MESSAGES.sysex&&(0===this.dataBytes[0]?(this.manufacturerId=this.dataBytes.slice(0,3),this.dataBytes=this.dataBytes.slice(3,this.rawDataBytes.length-1),this.rawDataBytes=this.rawDataBytes.slice(3,this.rawDataBytes.length-1)):(this.manufacturerId=[this.dataBytes[0]],this.dataBytes=this.dataBytes.slice(1,this.dataBytes.length-1),this.rawDataBytes=this.rawDataBytes.slice(1,this.rawDataBytes.length-1)))}}
+/**
+ * The `Input` class represents a single MIDI input port. This object is automatically instantiated
+ * by the library according to the host's MIDI subsystem and does not need to be directly
+ * instantiated. Instead, you can access all `Input` objects by referring to the
+ * [`WebMidi.inputs`](WebMidi#inputs) array. You can also retrieve inputs by using methods such as
+ * [`WebMidi.getInputByName()`](WebMidi#getInputByName) and
+ * [`WebMidi.getInputById()`](WebMidi#getInputById).
+ *
+ * Note that a single MIDI device may expose several inputs and/or outputs.
+ *
+ * **Important**: the `Input` class does not directly fire channel-specific MIDI messages
+ * (such as [`noteon`](InputChannel#event:noteon) or
+ * [`controlchange`](InputChannel#event:controlchange), etc.). The [`InputChannel`](InputChannel)
+ * object does that. However, you can still use the
+ * [`Input.addListener()`](#addListener) method to listen to channel-specific events on multiple
+ * [`InputChannel`](InputChannel) objects at once.
+ *
+ * @fires Input#opened
+ * @fires Input#disconnected
+ * @fires Input#closed
+ * @fires Input#midimessage
+ *
+ * @fires Input#sysex
+ * @fires Input#timecode
+ * @fires Input#songposition
+ * @fires Input#songselect
+ * @fires Input#tunerequest
+ * @fires Input#clock
+ * @fires Input#start
+ * @fires Input#continue
+ * @fires Input#stop
+ * @fires Input#activesensing
+ * @fires Input#reset
+ *
+ * @fires Input#unknownmidimessage
+ *
+ * @extends EventEmitter
+ * @license Apache-2.0
+ */class Input extends EventEmitter{constructor(e){super(),this._midiInput=e,this._octaveOffset=0,this.channels=[];for(let e=1;e<=16;e++)this.channels[e]=new InputChannel(this,e);this._forwarders=[],this._midiInput.onstatechange=this._onStateChange.bind(this),this._midiInput.onmidimessage=this._onMidiMessage.bind(this)}async destroy(){this.removeListener(),this.channels.forEach(e=>e.destroy()),this.channels=[],this._forwarders=[],this._midiInput&&(this._midiInput.onstatechange=null,this._midiInput.onmidimessage=null),await this.close(),this._midiInput=null}_onStateChange(e){let t={timestamp:wm.time,target:this,port:this};"open"===e.port.connection?(t.type="opened",this.emit("opened",t)):"closed"===e.port.connection&&"connected"===e.port.state?(t.type="closed",this.emit("closed",t)):"closed"===e.port.connection&&"disconnected"===e.port.state?(t.type="disconnected",t.port={connection:e.port.connection,id:e.port.id,manufacturer:e.port.manufacturer,name:e.port.name,state:e.port.state,type:e.port.type},this.emit("disconnected",t)):"pending"===e.port.connection&&"disconnected"===e.port.state||console.warn("This statechange event was not caught: ",e.port.connection,e.port.state)}_onMidiMessage(e){const t=new Message(e.data),n={port:this,target:this,message:t,timestamp:e.timeStamp,type:"midimessage",data:t.data,rawData:t.data,statusByte:t.data[0],dataBytes:t.dataBytes};this.emit("midimessage",n),t.isSystemMessage?this._parseEvent(n):t.isChannelMessage&&this.channels[t.channel]._processMidiMessageEvent(n),this._forwarders.forEach(e=>e.forward(t))}_parseEvent(e){const t=Object.assign({},e);t.type=t.message.type||"unknownmidimessage","songselect"===t.type&&(t.song=e.data[1]+1,t.value=e.data[1],t.rawValue=t.value),this.emit(t.type,t)}async open(){try{await this._midiInput.open()}catch(e){return Promise.reject(e)}return Promise.resolve(this)}async close(){if(!this._midiInput)return Promise.resolve(this);try{await this._midiInput.close()}catch(e){return Promise.reject(e)}return Promise.resolve(this)}getChannelModeByNumber(){wm.validation&&console.warn("The 'getChannelModeByNumber()' method has been moved to the 'Utilities' class.")}addListener(e,t,n={}){if(wm.validation&&"function"==typeof n){let e=null!=t?[].concat(t):void 0;t=n,n={channels:e}}if(Enumerations.CHANNEL_EVENTS.includes(e)){void 0===n.channels&&(n.channels=Enumerations.MIDI_CHANNEL_NUMBERS);let r=[];return Utilities.sanitizeChannels(n.channels).forEach(i=>{r.push(this.channels[i].addListener(e,t,n))}),r}return super.addListener(e,t,n)}addOneTimeListener(e,t,n={}){return n.remaining=1,this.addListener(e,t,n)}on(e,t,n,r){return this.addListener(e,t,n,r)}hasListener(e,t,n={}){if(wm.validation&&"function"==typeof n){let e=[].concat(t);t=n,n={channels:e}}return Enumerations.CHANNEL_EVENTS.includes(e)?(void 0===n.channels&&(n.channels=Enumerations.MIDI_CHANNEL_NUMBERS),Utilities.sanitizeChannels(n.channels).every(n=>this.channels[n].hasListener(e,t))):super.hasListener(e,t)}removeListener(e,t,n={}){if(wm.validation&&"function"==typeof n){let e=[].concat(t);t=n,n={channels:e}}if(void 0===n.channels&&(n.channels=Enumerations.MIDI_CHANNEL_NUMBERS),null==e)return Utilities.sanitizeChannels(n.channels).forEach(e=>{this.channels[e]&&this.channels[e].removeListener()}),super.removeListener();Enumerations.CHANNEL_EVENTS.includes(e)?Utilities.sanitizeChannels(n.channels).forEach(r=>{this.channels[r].removeListener(e,t,n)}):super.removeListener(e,t,n)}addForwarder(e,t={}){let n;return n=e instanceof Forwarder?e:new Forwarder(e,t),this._forwarders.push(n),n}removeForwarder(e){this._forwarders=this._forwarders.filter(t=>t!==e)}hasForwarder(e){return this._forwarders.includes(e)}get name(){return this._midiInput.name}get id(){return this._midiInput.id}get connection(){return this._midiInput.connection}get manufacturer(){return this._midiInput.manufacturer}get octaveOffset(){return this._octaveOffset}set octaveOffset(e){if(this.validation&&(e=parseInt(e),isNaN(e)))throw new TypeError("The 'octaveOffset' property must be an integer.");this._octaveOffset=e}get state(){return this._midiInput.state}get type(){return this._midiInput.type}get nrpnEventsEnabled(){return wm.validation&&console.warn("The 'nrpnEventsEnabled' property has been moved to the 'InputChannel' class."),!1}}if(Utilities.isNode){try{window.navigator}catch(err){let jzz;eval('jzz = require("jzz")'),global.navigator||(global.navigator={}),Object.assign(global.navigator,jzz)}try{performance}catch(err){let performance;eval('performance = require("perf_hooks").performance'),global.performance=performance}}
+/**
+ * The `WebMidi` object makes it easier to work with the low-level Web MIDI API. Basically, it
+ * simplifies sending outgoing MIDI messages and reacting to incoming MIDI messages.
+ *
+ * When using the WebMidi.js library, you should know that the `WebMidi` class has already been
+ * instantiated. You cannot instantiate it yourself. If you use the **IIFE** version, you should
+ * simply use the global object called `WebMidi`. If you use the **CJS** (CommonJS) or **ESM** (ES6
+ * module) version, you get an already-instantiated object when you import the module.
+ *
+ * @fires WebMidi#connected
+ * @fires WebMidi#disabled
+ * @fires WebMidi#disconnected
+ * @fires WebMidi#enabled
+ * @fires WebMidi#error
+ * @fires WebMidi#midiaccessgranted
+ * @fires WebMidi#portschanged
+ *
+ * @extends EventEmitter
+ * @license Apache-2.0
+ */class WebMidi extends EventEmitter{constructor(){super(),this.defaults={note:{attack:Utilities.from7bitToFloat(64),release:Utilities.from7bitToFloat(64),duration:1/0}},this.interface=null,this.validation=!0,this._inputs=[],this._disconnectedInputs=[],this._outputs=[],this._disconnectedOutputs=[],this._stateChangeQueue=[],this._octaveOffset=0}async enable(e={},t=!1){if(this.validation=!1!==e.validation,this.validation&&("function"==typeof e&&(e={callback:e,sysex:t}),t&&(e.sysex=!0)),this.enabled)return"function"==typeof e.callback&&e.callback(),Promise.resolve();const n={timestamp:this.time,target:this,type:"error",error:void 0},r={timestamp:this.time,target:this,type:"midiaccessgranted"},i={timestamp:this.time,target:this,type:"enabled"};try{"function"==typeof e.requestMIDIAccessFunction?this.interface=await e.requestMIDIAccessFunction({sysex:e.sysex,software:e.software}):this.interface=await navigator.requestMIDIAccess({sysex:e.sysex,software:e.software})}catch(t){return n.error=t,this.emit("error",n),"function"==typeof e.callback&&e.callback(t),Promise.reject(t)}this.emit("midiaccessgranted",r),this.interface.onstatechange=this._onInterfaceStateChange.bind(this);try{await this._updateInputsAndOutputs()}catch(t){return n.error=t,this.emit("error",n),"function"==typeof e.callback&&e.callback(t),Promise.reject(t)}return this.emit("enabled",i),"function"==typeof e.callback&&e.callback(),Promise.resolve(this)}async disable(){return this.interface&&(this.interface.onstatechange=void 0),this._destroyInputsAndOutputs().then(()=>{navigator&&"function"==typeof navigator.close&&navigator.close(),this.interface=null;let e={timestamp:this.time,target:this,type:"disabled"};this.emit("disabled",e),this.removeListener()})}getInputById(e,t={disconnected:!1}){if(this.validation){if(!this.enabled)throw new Error("WebMidi is not enabled.");if(!e)return}if(t.disconnected){for(let t=0;t<this._disconnectedInputs.length;t++)if(this._disconnectedInputs[t].id===e.toString())return this._disconnectedInputs[t]}else for(let t=0;t<this.inputs.length;t++)if(this.inputs[t].id===e.toString())return this.inputs[t]}getInputByName(e,t={disconnected:!1}){if(this.validation){if(!this.enabled)throw new Error("WebMidi is not enabled.");if(!e)return;e=e.toString()}if(t.disconnected){for(let t=0;t<this._disconnectedInputs.length;t++)if(~this._disconnectedInputs[t].name.indexOf(e))return this._disconnectedInputs[t]}else for(let t=0;t<this.inputs.length;t++)if(~this.inputs[t].name.indexOf(e))return this.inputs[t]}getOutputByName(e,t={disconnected:!1}){if(this.validation){if(!this.enabled)throw new Error("WebMidi is not enabled.");if(!e)return;e=e.toString()}if(t.disconnected){for(let t=0;t<this._disconnectedOutputs.length;t++)if(~this._disconnectedOutputs[t].name.indexOf(e))return this._disconnectedOutputs[t]}else for(let t=0;t<this.outputs.length;t++)if(~this.outputs[t].name.indexOf(e))return this.outputs[t]}getOutputById(e,t={disconnected:!1}){if(this.validation){if(!this.enabled)throw new Error("WebMidi is not enabled.");if(!e)return}if(t.disconnected){for(let t=0;t<this._disconnectedOutputs.length;t++)if(this._disconnectedOutputs[t].id===e.toString())return this._disconnectedOutputs[t]}else for(let t=0;t<this.outputs.length;t++)if(this.outputs[t].id===e.toString())return this.outputs[t]}noteNameToNumber(e){return this.validation&&console.warn("The noteNameToNumber() method is deprecated. Use Utilities.toNoteNumber() instead."),Utilities.toNoteNumber(e,this.octaveOffset)}getOctave(e){return this.validation&&(console.warn("The getOctave()is deprecated. Use Utilities.getNoteDetails() instead"),e=parseInt(e)),!isNaN(e)&&e>=0&&e<=127&&Utilities.getNoteDetails(Utilities.offsetNumber(e,this.octaveOffset)).octave}sanitizeChannels(e){return this.validation&&console.warn("The sanitizeChannels() method has been moved to the utilities class."),Utilities.sanitizeChannels(e)}toMIDIChannels(e){return this.validation&&console.warn("The toMIDIChannels() method has been deprecated. Use Utilities.sanitizeChannels() instead."),Utilities.sanitizeChannels(e)}guessNoteNumber(e){return this.validation&&console.warn("The guessNoteNumber() method has been deprecated. Use Utilities.guessNoteNumber() instead."),Utilities.guessNoteNumber(e,this.octaveOffset)}getValidNoteArray(e,t={}){return this.validation&&console.warn("The getValidNoteArray() method has been moved to the Utilities.buildNoteArray()"),Utilities.buildNoteArray(e,t)}convertToTimestamp(e){return this.validation&&console.warn("The convertToTimestamp() method has been moved to Utilities.toTimestamp()."),Utilities.toTimestamp(e)}async _destroyInputsAndOutputs(){let e=[];return this.inputs.forEach(t=>e.push(t.destroy())),this.outputs.forEach(t=>e.push(t.destroy())),Promise.all(e).then(()=>{this._inputs=[],this._outputs=[]})}_onInterfaceStateChange(e){this._updateInputsAndOutputs();let t={timestamp:e.timeStamp,type:e.port.state,target:this};if("connected"===e.port.state&&"open"===e.port.connection){"output"===e.port.type?t.port=this.getOutputById(e.port.id):"input"===e.port.type&&(t.port=this.getInputById(e.port.id)),this.emit(e.port.state,t);const n=Object.assign({},t);n.type="portschanged",this.emit(n.type,n)}else if("disconnected"===e.port.state&&"pending"===e.port.connection){"input"===e.port.type?t.port=this.getInputById(e.port.id,{disconnected:!0}):"output"===e.port.type&&(t.port=this.getOutputById(e.port.id,{disconnected:!0})),this.emit(e.port.state,t);const n=Object.assign({},t);n.type="portschanged",this.emit(n.type,n)}}async _updateInputsAndOutputs(){return Promise.all([this._updateInputs(),this._updateOutputs()])}async _updateInputs(){if(!this.interface)return;for(let e=this._inputs.length-1;e>=0;e--){const t=this._inputs[e];Array.from(this.interface.inputs.values()).find(e=>e===t._midiInput)||(this._disconnectedInputs.push(t),this._inputs.splice(e,1))}let e=[];return this.interface.inputs.forEach(t=>{if(!this._inputs.find(e=>e._midiInput===t)){let n=this._disconnectedInputs.find(e=>e._midiInput===t);n||(n=new Input(t)),this._inputs.push(n),e.push(n.open())}}),Promise.all(e)}async _updateOutputs(){if(!this.interface)return;for(let e=this._outputs.length-1;e>=0;e--){const t=this._outputs[e];Array.from(this.interface.outputs.values()).find(e=>e===t._midiOutput)||(this._disconnectedOutputs.push(t),this._outputs.splice(e,1))}let e=[];return this.interface.outputs.forEach(t=>{if(!this._outputs.find(e=>e._midiOutput===t)){let n=this._disconnectedOutputs.find(e=>e._midiOutput===t);n||(n=new Output(t)),this._outputs.push(n),e.push(n.open())}}),Promise.all(e)}get enabled(){return null!==this.interface}get inputs(){return this._inputs}get isNode(){return this.validation&&console.warn("WebMidi.isNode has been deprecated. Use Utilities.isNode instead."),Utilities.isNode}get isBrowser(){return this.validation&&console.warn("WebMidi.isBrowser has been deprecated. Use Utilities.isBrowser instead."),Utilities.isBrowser}get octaveOffset(){return this._octaveOffset}set octaveOffset(e){if(this.validation&&(e=parseInt(e),isNaN(e)))throw new TypeError("The 'octaveOffset' property must be an integer.");this._octaveOffset=e}get outputs(){return this._outputs}get supported(){return"undefined"!=typeof navigator&&!!navigator.requestMIDIAccess}get sysexEnabled(){return!(!this.interface||!this.interface.sysexEnabled)}get time(){return performance.now()}get version(){return"3.1.12"}get flavour(){return"cjs"}get CHANNEL_EVENTS(){return this.validation&&console.warn("The CHANNEL_EVENTS enum has been moved to Enumerations.CHANNEL_EVENTS."),Enumerations.CHANNEL_EVENTS}get MIDI_SYSTEM_MESSAGES(){return this.validation&&console.warn("The MIDI_SYSTEM_MESSAGES enum has been moved to Enumerations.SYSTEM_MESSAGES."),Enumerations.SYSTEM_MESSAGES}get MIDI_CHANNEL_MODE_MESSAGES(){return this.validation&&console.warn("The MIDI_CHANNEL_MODE_MESSAGES enum has been moved to Enumerations.CHANNEL_MODE_MESSAGES."),Enumerations.CHANNEL_MODE_MESSAGES}get MIDI_CONTROL_CHANGE_MESSAGES(){return this.validation&&console.warn("The MIDI_CONTROL_CHANGE_MESSAGES enum has been replaced by the Enumerations.CONTROL_CHANGE_MESSAGES array."),Enumerations.MIDI_CONTROL_CHANGE_MESSAGES}get MIDI_REGISTERED_PARAMETER(){return this.validation&&console.warn("The MIDI_REGISTERED_PARAMETER enum has been moved to Enumerations.REGISTERED_PARAMETERS."),Enumerations.REGISTERED_PARAMETERS}get NOTES(){return this.validation&&console.warn("The NOTES enum has been deprecated."),["C","C#","D","D#","E","F","F#","G","G#","A","A#","B"]}}const wm=new WebMidi;wm.constructor=null,exports.Enumerations=Enumerations,exports.Forwarder=Forwarder,exports.Input=Input,exports.InputChannel=InputChannel,exports.Message=Message,exports.Note=Note,exports.Output=Output,exports.OutputChannel=OutputChannel,exports.Utilities=Utilities,exports.WebMidi=wm;
+//# sourceMappingURL=webmidi.cjs.min.js.map
+
+/* WEBPACK VAR INJECTION */}.call(exports, __webpack_require__(18), __webpack_require__(20)))
+
+/***/ }),
+/* 20 */
+/***/ (function(module, exports) {
+
+var g;

+

+// This works in non-strict mode

+g = (function() {

+	return this;

+})();

+

+try {

+	// This works if eval is allowed (see CSP)

+	g = g || Function("return this")() || (1,eval)("this");

+} catch(e) {

+	// This works if the window reference is available

+	if(typeof window === "object")

+		g = window;

+}

+

+// g can still be undefined, but nothing to do about it...

+// We return undefined, instead of nothing here, so it's

+// easier to handle this case. if(!global) { ...}

+

+module.exports = g;

+
+
 /***/ })
 /******/ ]);
 //# sourceMappingURL=bundle.js.map
\ No newline at end of file
diff --git a/bundle.js.map b/bundle.js.map
index 9692a90..c045a28 100644
--- a/bundle.js.map
+++ b/bundle.js.map
@@ -1 +1 @@
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It provides \n\t\t *          a lot of methods and functionality to all classes that extend\n\t\t *          it. \n\t\t *  \n\t\t *  @constructor\n\t\t *  @alias Tone\n\t\t *  @param {number} [inputs=1] the number of input nodes\n\t\t *  @param {number} [outputs=1] the number of output nodes\n\t\t */\n\t    var Tone = function (inputs, outputs) {\n\t        /**\n\t\t\t *  the input node(s)\n\t\t\t *  @type {GainNode|Array}\n\t\t\t */\n\t        if (this.isUndef(inputs) || inputs === 1) {\n\t            this.input = this.context.createGain();\n\t        } else if (inputs > 1) {\n\t            this.input = new Array(inputs);\n\t        }\n\t        /**\n\t\t\t *  the output node(s)\n\t\t\t *  @type {GainNode|Array}\n\t\t\t */\n\t        if (this.isUndef(outputs) || outputs === 1) {\n\t            this.output = this.context.createGain();\n\t        } else if (outputs > 1) {\n\t            this.output = new Array(inputs);\n\t        }\n\t    };\n\t    /**\n\t\t *  Set the parameters at once. Either pass in an\n\t\t *  object mapping parameters to values, or to set a\n\t\t *  single parameter, by passing in a string and value.\n\t\t *  The last argument is an optional ramp time which \n\t\t *  will ramp any signal values to their destination value\n\t\t *  over the duration of the rampTime.\n\t\t *  @param {Object|string} params\n\t\t *  @param {number=} value\n\t\t *  @param {Time=} rampTime\n\t\t *  @returns {Tone} this\n\t\t *  @example\n\t\t * //set values using an object\n\t\t * filter.set({\n\t\t * \t\"frequency\" : 300,\n\t\t * \t\"type\" : highpass\n\t\t * });\n\t\t *  @example\n\t\t * filter.set(\"type\", \"highpass\");\n\t\t *  @example\n\t\t * //ramp to the value 220 over 3 seconds. \n\t\t * oscillator.set({\n\t\t * \t\"frequency\" : 220\n\t\t * }, 3);\n\t\t */\n\t    Tone.prototype.set = function (params, value, rampTime) {\n\t        if (this.isObject(params)) {\n\t            rampTime = value;\n\t        } else if (this.isString(params)) {\n\t            var tmpObj = {};\n\t            tmpObj[params] = value;\n\t            params = tmpObj;\n\t        }\n\t        paramLoop:\n\t            for (var attr in params) {\n\t                value = params[attr];\n\t                var parent = this;\n\t                if (attr.indexOf('.') !== -1) {\n\t                    var attrSplit = attr.split('.');\n\t                    for (var i = 0; i < attrSplit.length - 1; i++) {\n\t                        parent = parent[attrSplit[i]];\n\t                        if (parent instanceof Tone) {\n\t                            attrSplit.splice(0, i + 1);\n\t                            var innerParam = attrSplit.join('.');\n\t                            parent.set(innerParam, value);\n\t                            continue paramLoop;\n\t                        }\n\t                    }\n\t                    attr = attrSplit[attrSplit.length - 1];\n\t                }\n\t                var param = parent[attr];\n\t                if (this.isUndef(param)) {\n\t                    continue;\n\t                }\n\t                if (Tone.Signal && param instanceof Tone.Signal || Tone.Param && param instanceof Tone.Param) {\n\t                    if (param.value !== value) {\n\t                        if (this.isUndef(rampTime)) {\n\t                            param.value = value;\n\t                        } else {\n\t                            param.rampTo(value, rampTime);\n\t                        }\n\t                    }\n\t                } else if (param instanceof AudioParam) {\n\t                    if (param.value !== value) {\n\t                        param.value = value;\n\t                    }\n\t                } else if (param instanceof Tone) {\n\t                    param.set(value);\n\t                } else if (param !== value) {\n\t                    parent[attr] = value;\n\t                }\n\t            }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Get the object's attributes. Given no arguments get\n\t\t *  will return all available object properties and their corresponding\n\t\t *  values. Pass in a single attribute to retrieve or an array\n\t\t *  of attributes. The attribute strings can also include a \".\"\n\t\t *  to access deeper properties.\n\t\t *  @example\n\t\t * osc.get();\n\t\t * //returns {\"type\" : \"sine\", \"frequency\" : 440, ...etc}\n\t\t *  @example\n\t\t * osc.get(\"type\");\n\t\t * //returns { \"type\" : \"sine\"}\n\t\t * @example\n\t\t * //use dot notation to access deep properties\n\t\t * synth.get([\"envelope.attack\", \"envelope.release\"]);\n\t\t * //returns {\"envelope\" : {\"attack\" : 0.2, \"release\" : 0.4}}\n\t\t *  @param {Array=|string|undefined} params the parameters to get, otherwise will return \n\t\t *  \t\t\t\t\t                  all available.\n\t\t *  @returns {Object}\n\t\t */\n\t    Tone.prototype.get = function (params) {\n\t        if (this.isUndef(params)) {\n\t            params = this._collectDefaults(this.constructor);\n\t        } else if (this.isString(params)) {\n\t            params = [params];\n\t        }\n\t        var ret = {};\n\t        for (var i = 0; i < params.length; i++) {\n\t            var attr = params[i];\n\t            var parent = this;\n\t            var subRet = ret;\n\t            if (attr.indexOf('.') !== -1) {\n\t                var attrSplit = attr.split('.');\n\t                for (var j = 0; j < attrSplit.length - 1; j++) {\n\t                    var subAttr = attrSplit[j];\n\t                    subRet[subAttr] = subRet[subAttr] || {};\n\t                    subRet = subRet[subAttr];\n\t                    parent = parent[subAttr];\n\t                }\n\t                attr = attrSplit[attrSplit.length - 1];\n\t            }\n\t            var param = parent[attr];\n\t            if (this.isObject(params[attr])) {\n\t                subRet[attr] = param.get();\n\t            } else if (Tone.Signal && param instanceof Tone.Signal) {\n\t                subRet[attr] = param.value;\n\t            } else if (Tone.Param && param instanceof Tone.Param) {\n\t                subRet[attr] = param.value;\n\t            } else if (param instanceof AudioParam) {\n\t                subRet[attr] = param.value;\n\t            } else if (param instanceof Tone) {\n\t                subRet[attr] = param.get();\n\t            } else if (!this.isFunction(param) && !this.isUndef(param)) {\n\t                subRet[attr] = param;\n\t            }\n\t        }\n\t        return ret;\n\t    };\n\t    /**\n\t\t *  collect all of the default attributes in one\n\t\t *  @private\n\t\t *  @param {function} constr the constructor to find the defaults from\n\t\t *  @return {Array} all of the attributes which belong to the class\n\t\t */\n\t    Tone.prototype._collectDefaults = function (constr) {\n\t        var ret = [];\n\t        if (!this.isUndef(constr.defaults)) {\n\t            ret = Object.keys(constr.defaults);\n\t        }\n\t        if (!this.isUndef(constr._super)) {\n\t            var superDefs = this._collectDefaults(constr._super);\n\t            //filter out repeats\n\t            for (var i = 0; i < superDefs.length; i++) {\n\t                if (ret.indexOf(superDefs[i]) === -1) {\n\t                    ret.push(superDefs[i]);\n\t                }\n\t            }\n\t        }\n\t        return ret;\n\t    };\n\t    /**\n\t\t *  @returns {string} returns the name of the class as a string\n\t\t */\n\t    Tone.prototype.toString = function () {\n\t        for (var className in Tone) {\n\t            var isLetter = className[0].match(/^[A-Z]$/);\n\t            var sameConstructor = Tone[className] === this.constructor;\n\t            if (this.isFunction(Tone[className]) && isLetter && sameConstructor) {\n\t                return className;\n\t            }\n\t        }\n\t        return 'Tone';\n\t    };\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    //\tCLASS VARS\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    /**\n\t\t *  The number of inputs feeding into the AudioNode. \n\t\t *  For source nodes, this will be 0.\n\t\t *  @memberOf Tone#\n\t\t *  @name numberOfInputs\n\t\t *  @readOnly\n\t\t */\n\t    Object.defineProperty(Tone.prototype, 'numberOfInputs', {\n\t        get: function () {\n\t            if (this.input) {\n\t                if (this.isArray(this.input)) {\n\t                    return this.input.length;\n\t                } else {\n\t                    return 1;\n\t                }\n\t            } else {\n\t                return 0;\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t *  The number of outputs coming out of the AudioNode. \n\t\t *  For source nodes, this will be 0.\n\t\t *  @memberOf Tone#\n\t\t *  @name numberOfInputs\n\t\t *  @readOnly\n\t\t */\n\t    Object.defineProperty(Tone.prototype, 'numberOfOutputs', {\n\t        get: function () {\n\t            if (this.output) {\n\t                if (this.isArray(this.output)) {\n\t                    return this.output.length;\n\t                } else {\n\t                    return 1;\n\t                }\n\t            } else {\n\t                return 0;\n\t            }\n\t        }\n\t    });\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    //\tCONNECTIONS\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    /**\n\t\t *  disconnect and dispose\n\t\t *  @returns {Tone} this\n\t\t */\n\t    Tone.prototype.dispose = function () {\n\t        if (!this.isUndef(this.input)) {\n\t            if (this.input instanceof AudioNode) {\n\t                this.input.disconnect();\n\t            }\n\t            this.input = null;\n\t        }\n\t        if (!this.isUndef(this.output)) {\n\t            if (this.output instanceof AudioNode) {\n\t                this.output.disconnect();\n\t            }\n\t            this.output = null;\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  connect the output of a ToneNode to an AudioParam, AudioNode, or ToneNode\n\t\t *  @param  {Tone | AudioParam | AudioNode} unit \n\t\t *  @param {number} [outputNum=0] optionally which output to connect from\n\t\t *  @param {number} [inputNum=0] optionally which input to connect to\n\t\t *  @returns {Tone} this\n\t\t */\n\t    Tone.prototype.connect = function (unit, outputNum, inputNum) {\n\t        if (Array.isArray(this.output)) {\n\t            outputNum = this.defaultArg(outputNum, 0);\n\t            this.output[outputNum].connect(unit, 0, inputNum);\n\t        } else {\n\t            this.output.connect(unit, outputNum, inputNum);\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  disconnect the output\n\t\t *  @param {Number|AudioNode} output Either the output index to disconnect\n\t\t *                                   if the output is an array, or the\n\t\t *                                   node to disconnect from.\n\t\t *  @returns {Tone} this\n\t\t */\n\t    Tone.prototype.disconnect = function (destination, outputNum, inputNum) {\n\t        if (this.isArray(this.output)) {\n\t            if (this.isNumber(destination)) {\n\t                this.output[destination].disconnect();\n\t            } else {\n\t                outputNum = this.defaultArg(outputNum, 0);\n\t                this.output[outputNum].disconnect(destination, 0, inputNum);\n\t            }\n\t        } else {\n\t            this.output.disconnect.apply(this.output, arguments);\n\t        }\n\t    };\n\t    /**\n\t\t *  connect together all of the arguments in series\n\t\t *  @param {...AudioParam|Tone|AudioNode} nodes\n\t\t *  @returns {Tone} this\n\t\t */\n\t    Tone.prototype.connectSeries = function () {\n\t        if (arguments.length > 1) {\n\t            var currentUnit = arguments[0];\n\t            for (var i = 1; i < arguments.length; i++) {\n\t                var toUnit = arguments[i];\n\t                currentUnit.connect(toUnit);\n\t                currentUnit = toUnit;\n\t            }\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Connect the output of this node to the rest of the nodes in series.\n\t\t *  @example\n\t\t *  //connect a node to an effect, panVol and then to the master output\n\t\t *  node.chain(effect, panVol, Tone.Master);\n\t\t *  @param {...AudioParam|Tone|AudioNode} nodes\n\t\t *  @returns {Tone} this\n\t\t */\n\t    Tone.prototype.chain = function () {\n\t        if (arguments.length > 0) {\n\t            var currentUnit = this;\n\t            for (var i = 0; i < arguments.length; i++) {\n\t                var toUnit = arguments[i];\n\t                currentUnit.connect(toUnit);\n\t                currentUnit = toUnit;\n\t            }\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  connect the output of this node to the rest of the nodes in parallel.\n\t\t *  @param {...AudioParam|Tone|AudioNode} nodes\n\t\t *  @returns {Tone} this\n\t\t */\n\t    Tone.prototype.fan = function () {\n\t        if (arguments.length > 0) {\n\t            for (var i = 0; i < arguments.length; i++) {\n\t                this.connect(arguments[i]);\n\t            }\n\t        }\n\t        return this;\n\t    };\n\t    //give native nodes chain and fan methods\n\t    AudioNode.prototype.chain = Tone.prototype.chain;\n\t    AudioNode.prototype.fan = Tone.prototype.fan;\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    //\tUTILITIES / HELPERS / MATHS\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    /**\n\t\t *  If the `given` parameter is undefined, use the `fallback`. \n\t\t *  If both `given` and `fallback` are object literals, it will\n\t\t *  return a deep copy which includes all of the parameters from both \n\t\t *  objects. If a parameter is undefined in given, it will return\n\t\t *  the fallback property. \n\t\t *  <br><br>\n\t\t *  WARNING: if object is self referential, it will go into an an \n\t\t *  infinite recursive loop.\n\t\t *  \n\t\t *  @param  {*} given    \n\t\t *  @param  {*} fallback \n\t\t *  @return {*}          \n\t\t */\n\t    Tone.prototype.defaultArg = function (given, fallback) {\n\t        if (this.isObject(given) && this.isObject(fallback)) {\n\t            var ret = {};\n\t            //make a deep copy of the given object\n\t            for (var givenProp in given) {\n\t                ret[givenProp] = this.defaultArg(fallback[givenProp], given[givenProp]);\n\t            }\n\t            for (var fallbackProp in fallback) {\n\t                ret[fallbackProp] = this.defaultArg(given[fallbackProp], fallback[fallbackProp]);\n\t            }\n\t            return ret;\n\t        } else {\n\t            return this.isUndef(given) ? fallback : given;\n\t        }\n\t    };\n\t    /**\n\t\t *  returns the args as an options object with given arguments\n\t\t *  mapped to the names provided. \n\t\t *\n\t\t *  if the args given is an array containing only one object, it is assumed\n\t\t *  that that's already the options object and will just return it. \n\t\t *  \n\t\t *  @param  {Array} values  the 'arguments' object of the function\n\t\t *  @param  {Array} keys the names of the arguments as they\n\t\t *                                 should appear in the options object\n\t\t *  @param {Object=} defaults optional defaults to mixin to the returned \n\t\t *                            options object                              \n\t\t *  @return {Object}       the options object with the names mapped to the arguments\n\t\t */\n\t    Tone.prototype.optionsObject = function (values, keys, defaults) {\n\t        var options = {};\n\t        if (values.length === 1 && this.isObject(values[0])) {\n\t            options = values[0];\n\t        } else {\n\t            for (var i = 0; i < keys.length; i++) {\n\t                options[keys[i]] = values[i];\n\t            }\n\t        }\n\t        if (!this.isUndef(defaults)) {\n\t            return this.defaultArg(options, defaults);\n\t        } else {\n\t            return options;\n\t        }\n\t    };\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    // TYPE CHECKING\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    /**\n\t\t *  test if the arg is undefined\n\t\t *  @param {*} arg the argument to test\n\t\t *  @returns {boolean} true if the arg is undefined\n\t\t *  @function\n\t\t */\n\t    Tone.prototype.isUndef = function (val) {\n\t        return typeof val === 'undefined';\n\t    };\n\t    /**\n\t\t *  test if the arg is a function\n\t\t *  @param {*} arg the argument to test\n\t\t *  @returns {boolean} true if the arg is a function\n\t\t *  @function\n\t\t */\n\t    Tone.prototype.isFunction = function (val) {\n\t        return typeof val === 'function';\n\t    };\n\t    /**\n\t\t *  Test if the argument is a number.\n\t\t *  @param {*} arg the argument to test\n\t\t *  @returns {boolean} true if the arg is a number\n\t\t */\n\t    Tone.prototype.isNumber = function (arg) {\n\t        return typeof arg === 'number';\n\t    };\n\t    /**\n\t\t *  Test if the given argument is an object literal (i.e. `{}`);\n\t\t *  @param {*} arg the argument to test\n\t\t *  @returns {boolean} true if the arg is an object literal.\n\t\t */\n\t    Tone.prototype.isObject = function (arg) {\n\t        return Object.prototype.toString.call(arg) === '[object Object]' && arg.constructor === Object;\n\t    };\n\t    /**\n\t\t *  Test if the argument is a boolean.\n\t\t *  @param {*} arg the argument to test\n\t\t *  @returns {boolean} true if the arg is a boolean\n\t\t */\n\t    Tone.prototype.isBoolean = function (arg) {\n\t        return typeof arg === 'boolean';\n\t    };\n\t    /**\n\t\t *  Test if the argument is an Array\n\t\t *  @param {*} arg the argument to test\n\t\t *  @returns {boolean} true if the arg is an array\n\t\t */\n\t    Tone.prototype.isArray = function (arg) {\n\t        return Array.isArray(arg);\n\t    };\n\t    /**\n\t\t *  Test if the argument is a string.\n\t\t *  @param {*} arg the argument to test\n\t\t *  @returns {boolean} true if the arg is a string\n\t\t */\n\t    Tone.prototype.isString = function (arg) {\n\t        return typeof arg === 'string';\n\t    };\n\t    /**\n\t\t *  An empty function.\n\t\t *  @static\n\t\t */\n\t    Tone.noOp = function () {\n\t    };\n\t    /**\n\t\t *  Make the property not writable. Internal use only. \n\t\t *  @private\n\t\t *  @param  {string}  property  the property to make not writable\n\t\t */\n\t    Tone.prototype._readOnly = function (property) {\n\t        if (Array.isArray(property)) {\n\t            for (var i = 0; i < property.length; i++) {\n\t                this._readOnly(property[i]);\n\t            }\n\t        } else {\n\t            Object.defineProperty(this, property, {\n\t                writable: false,\n\t                enumerable: true\n\t            });\n\t        }\n\t    };\n\t    /**\n\t\t *  Make an attribute writeable. Interal use only. \n\t\t *  @private\n\t\t *  @param  {string}  property  the property to make writable\n\t\t */\n\t    Tone.prototype._writable = function (property) {\n\t        if (Array.isArray(property)) {\n\t            for (var i = 0; i < property.length; i++) {\n\t                this._writable(property[i]);\n\t            }\n\t        } else {\n\t            Object.defineProperty(this, property, { writable: true });\n\t        }\n\t    };\n\t    /**\n\t\t * Possible play states. \n\t\t * @enum {string}\n\t\t */\n\t    Tone.State = {\n\t        Started: 'started',\n\t        Stopped: 'stopped',\n\t        Paused: 'paused'\n\t    };\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    // CONVERSIONS\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    /**\n\t\t *  Equal power gain scale. Good for cross-fading.\n\t\t *  @param  {NormalRange} percent (0-1)\n\t\t *  @return {Number}         output gain (0-1)\n\t\t */\n\t    Tone.prototype.equalPowerScale = function (percent) {\n\t        var piFactor = 0.5 * Math.PI;\n\t        return Math.sin(percent * piFactor);\n\t    };\n\t    /**\n\t\t *  Convert decibels into gain.\n\t\t *  @param  {Decibels} db\n\t\t *  @return {Number}   \n\t\t */\n\t    Tone.prototype.dbToGain = function (db) {\n\t        return Math.pow(2, db / 6);\n\t    };\n\t    /**\n\t\t *  Convert gain to decibels.\n\t\t *  @param  {Number} gain (0-1)\n\t\t *  @return {Decibels}   \n\t\t */\n\t    Tone.prototype.gainToDb = function (gain) {\n\t        return 20 * (Math.log(gain) / Math.LN10);\n\t    };\n\t    /**\n\t\t *  Convert an interval (in semitones) to a frequency ratio.\n\t\t *  @param  {Interval} interval the number of semitones above the base note\n\t\t *  @return {number}          the frequency ratio\n\t\t *  @example\n\t\t * tone.intervalToFrequencyRatio(0); // 1\n\t\t * tone.intervalToFrequencyRatio(12); // 2\n\t\t * tone.intervalToFrequencyRatio(-12); // 0.5\n\t\t */\n\t    Tone.prototype.intervalToFrequencyRatio = function (interval) {\n\t        return Math.pow(2, interval / 12);\n\t    };\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    //\tTIMING\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    /**\n\t\t *  Return the current time of the AudioContext clock.\n\t\t *  @return {Number} the currentTime from the AudioContext\n\t\t */\n\t    Tone.prototype.now = function () {\n\t        return Tone.context.now();\n\t    };\n\t    /**\n\t\t *  Return the current time of the AudioContext clock.\n\t\t *  @return {Number} the currentTime from the AudioContext\n\t\t *  @static\n\t\t */\n\t    Tone.now = function () {\n\t        return Tone.context.now();\n\t    };\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    //\tINHERITANCE\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    /**\n\t\t *  have a child inherit all of Tone's (or a parent's) prototype\n\t\t *  to inherit the parent's properties, make sure to call \n\t\t *  Parent.call(this) in the child's constructor\n\t\t *\n\t\t *  based on closure library's inherit function\n\t\t *\n\t\t *  @static\n\t\t *  @param  {function} \tchild  \n\t\t *  @param  {function=} parent (optional) parent to inherit from\n\t\t *                             if no parent is supplied, the child\n\t\t *                             will inherit from Tone\n\t\t */\n\t    Tone.extend = function (child, parent) {\n\t        if (Tone.prototype.isUndef(parent)) {\n\t            parent = Tone;\n\t        }\n\t        function TempConstructor() {\n\t        }\n\t        TempConstructor.prototype = parent.prototype;\n\t        child.prototype = new TempConstructor();\n\t        /** @override */\n\t        child.prototype.constructor = child;\n\t        child._super = parent;\n\t    };\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    //\tCONTEXT\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    /**\n\t\t *  The private audio context shared by all Tone Nodes. \n\t\t *  @private\n\t\t *  @type {Tone.Context|undefined}\n\t\t */\n\t    var audioContext;\n\t    /**\n\t\t *  A static pointer to the audio context accessible as Tone.context. \n\t\t *  @type {Tone.Context}\n\t\t *  @name context\n\t\t *  @memberOf Tone\n\t\t */\n\t    Object.defineProperty(Tone, 'context', {\n\t        get: function () {\n\t            return audioContext;\n\t        },\n\t        set: function (context) {\n\t            if (Tone.Context && context instanceof Tone.Context) {\n\t                audioContext = context;\n\t            } else {\n\t                audioContext = new Tone.Context(context);\n\t            }\n\t            //initialize the new audio context\n\t            if (Tone.Context) {\n\t                Tone.Context.emit('init', audioContext);\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t *  The AudioContext\n\t\t *  @type {Tone.Context}\n\t\t *  @name context\n\t\t *  @memberOf Tone#\n\t\t *  @readOnly\n\t\t */\n\t    Object.defineProperty(Tone.prototype, 'context', {\n\t        get: function () {\n\t            return Tone.context;\n\t        }\n\t    });\n\t    /**\n\t\t *  Tone automatically creates a context on init, but if you are working\n\t\t *  with other libraries which also create an AudioContext, it can be\n\t\t *  useful to set your own. If you are going to set your own context, \n\t\t *  be sure to do it at the start of your code, before creating any objects.\n\t\t *  @static\n\t\t *  @param {AudioContext} ctx The new audio context to set\n\t\t */\n\t    Tone.setContext = function (ctx) {\n\t        Tone.context = ctx;\n\t    };\n\t    /**\n\t\t *  The number of seconds of 1 processing block (128 samples)\n\t\t *  @type {Number}\n\t\t *  @name blockTime\n\t\t *  @memberOf Tone#\n\t\t *  @readOnly\n\t\t */\n\t    Object.defineProperty(Tone.prototype, 'blockTime', {\n\t        get: function () {\n\t            return 128 / this.context.sampleRate;\n\t        }\n\t    });\n\t    /**\n\t\t *  The duration in seconds of one sample.\n\t\t *  @type {Number}\n\t\t *  @name sampleTime\n\t\t *  @memberOf Tone#\n\t\t *  @readOnly\n\t\t */\n\t    Object.defineProperty(Tone.prototype, 'sampleTime', {\n\t        get: function () {\n\t            return 1 / this.context.sampleRate;\n\t        }\n\t    });\n\t    /**\n\t\t *  Whether or not all the technologies that Tone.js relies on are supported by the current browser. \n\t\t *  @type {Boolean}\n\t\t *  @name supported\n\t\t *  @memberOf Tone\n\t\t *  @readOnly\n\t\t */\n\t    Object.defineProperty(Tone, 'supported', {\n\t        get: function () {\n\t            var hasAudioContext = window.hasOwnProperty('AudioContext') || window.hasOwnProperty('webkitAudioContext');\n\t            var hasPromises = window.hasOwnProperty('Promise');\n\t            var hasWorkers = window.hasOwnProperty('Worker');\n\t            return hasAudioContext && hasPromises && hasWorkers;\n\t        }\n\t    });\n\t    Tone.version = 'r10';\n\t    // allow optional silencing of this log\n\t    if (!window.TONE_SILENCE_VERSION_LOGGING) {\n\t        console.log('%c * Tone.js ' + Tone.version + ' * ', 'background: #000; color: #fff');\n\t    }\n\t    return Tone;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  Base class for all Signals. Used Internally. \n\t\t *\n\t\t *  @constructor\n\t\t *  @extends {Tone}\n\t\t */\n\t    Tone.SignalBase = function () {\n\t    };\n\t    Tone.extend(Tone.SignalBase);\n\t    /**\n\t\t *  When signals connect to other signals or AudioParams, \n\t\t *  they take over the output value of that signal or AudioParam. \n\t\t *  For all other nodes, the behavior is the same as a default <code>connect</code>. \n\t\t *\n\t\t *  @override\n\t\t *  @param {AudioParam|AudioNode|Tone.Signal|Tone} node \n\t\t *  @param {number} [outputNumber=0] The output number to connect from.\n\t\t *  @param {number} [inputNumber=0] The input number to connect to.\n\t\t *  @returns {Tone.SignalBase} this\n\t\t */\n\t    Tone.SignalBase.prototype.connect = function (node, outputNumber, inputNumber) {\n\t        //zero it out so that the signal can have full control\n\t        if (Tone.Signal && Tone.Signal === node.constructor || Tone.Param && Tone.Param === node.constructor || Tone.TimelineSignal && Tone.TimelineSignal === node.constructor) {\n\t            //cancel changes\n\t            node._param.cancelScheduledValues(0);\n\t            //reset the value\n\t            node._param.value = 0;\n\t            //mark the value as overridden\n\t            node.overridden = true;\n\t        } else if (node instanceof AudioParam) {\n\t            node.cancelScheduledValues(0);\n\t            node.value = 0;\n\t        }\n\t        Tone.prototype.connect.call(this, node, outputNumber, inputNumber);\n\t        return this;\n\t    };\n\t    return Tone.SignalBase;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Wraps the native Web Audio API \n\t\t *         [WaveShaperNode](http://webaudio.github.io/web-audio-api/#the-waveshapernode-interface).\n\t\t *\n\t\t *  @extends {Tone.SignalBase}\n\t\t *  @constructor\n\t\t *  @param {function|Array|Number} mapping The function used to define the values. \n\t\t *                                    The mapping function should take two arguments: \n\t\t *                                    the first is the value at the current position \n\t\t *                                    and the second is the array position. \n\t\t *                                    If the argument is an array, that array will be\n\t\t *                                    set as the wave shaping function. The input\n\t\t *                                    signal is an AudioRange [-1, 1] value and the output\n\t\t *                                    signal can take on any numerical values. \n\t\t *                                    \n\t\t *  @param {Number} [bufferLen=1024] The length of the WaveShaperNode buffer.\n\t\t *  @example\n\t\t * var timesTwo = new Tone.WaveShaper(function(val){\n\t\t * \treturn val * 2;\n\t\t * }, 2048);\n\t\t *  @example\n\t\t * //a waveshaper can also be constructed with an array of values\n\t\t * var invert = new Tone.WaveShaper([1, -1]);\n\t\t */\n\t    Tone.WaveShaper = function (mapping, bufferLen) {\n\t        /**\n\t\t\t *  the waveshaper\n\t\t\t *  @type {WaveShaperNode}\n\t\t\t *  @private\n\t\t\t */\n\t        this._shaper = this.input = this.output = this.context.createWaveShaper();\n\t        /**\n\t\t\t *  the waveshapers curve\n\t\t\t *  @type {Float32Array}\n\t\t\t *  @private\n\t\t\t */\n\t        this._curve = null;\n\t        if (Array.isArray(mapping)) {\n\t            this.curve = mapping;\n\t        } else if (isFinite(mapping) || this.isUndef(mapping)) {\n\t            this._curve = new Float32Array(this.defaultArg(mapping, 1024));\n\t        } else if (this.isFunction(mapping)) {\n\t            this._curve = new Float32Array(this.defaultArg(bufferLen, 1024));\n\t            this.setMap(mapping);\n\t        }\n\t    };\n\t    Tone.extend(Tone.WaveShaper, Tone.SignalBase);\n\t    /**\n\t\t *  Uses a mapping function to set the value of the curve. \n\t\t *  @param {function} mapping The function used to define the values. \n\t\t *                            The mapping function take two arguments: \n\t\t *                            the first is the value at the current position \n\t\t *                            which goes from -1 to 1 over the number of elements\n\t\t *                            in the curve array. The second argument is the array position. \n\t\t *  @returns {Tone.WaveShaper} this\n\t\t *  @example\n\t\t * //map the input signal from [-1, 1] to [0, 10]\n\t\t * shaper.setMap(function(val, index){\n\t\t * \treturn (val + 1) * 5;\n\t\t * })\n\t\t */\n\t    Tone.WaveShaper.prototype.setMap = function (mapping) {\n\t        for (var i = 0, len = this._curve.length; i < len; i++) {\n\t            var normalized = i / (len - 1) * 2 - 1;\n\t            this._curve[i] = mapping(normalized, i);\n\t        }\n\t        this._shaper.curve = this._curve;\n\t        return this;\n\t    };\n\t    /**\n\t\t * The array to set as the waveshaper curve. For linear curves\n\t\t * array length does not make much difference, but for complex curves\n\t\t * longer arrays will provide smoother interpolation. \n\t\t * @memberOf Tone.WaveShaper#\n\t\t * @type {Array}\n\t\t * @name curve\n\t\t */\n\t    Object.defineProperty(Tone.WaveShaper.prototype, 'curve', {\n\t        get: function () {\n\t            return this._shaper.curve;\n\t        },\n\t        set: function (mapping) {\n\t            this._curve = new Float32Array(mapping);\n\t            this._shaper.curve = this._curve;\n\t        }\n\t    });\n\t    /**\n\t\t * Specifies what type of oversampling (if any) should be used when \n\t\t * applying the shaping curve. Can either be \"none\", \"2x\" or \"4x\". \n\t\t * @memberOf Tone.WaveShaper#\n\t\t * @type {string}\n\t\t * @name oversample\n\t\t */\n\t    Object.defineProperty(Tone.WaveShaper.prototype, 'oversample', {\n\t        get: function () {\n\t            return this._shaper.oversample;\n\t        },\n\t        set: function (oversampling) {\n\t            if ([\n\t                    'none',\n\t                    '2x',\n\t                    '4x'\n\t                ].indexOf(oversampling) !== -1) {\n\t                this._shaper.oversample = oversampling;\n\t            } else {\n\t                throw new RangeError('Tone.WaveShaper: oversampling must be either \\'none\\', \\'2x\\', or \\'4x\\'');\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t *  Clean up.\n\t\t *  @returns {Tone.WaveShaper} this\n\t\t */\n\t    Tone.WaveShaper.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._shaper.disconnect();\n\t        this._shaper = null;\n\t        this._curve = null;\n\t        return this;\n\t    };\n\t    return Tone.WaveShaper;\n\t});\n\tModule(function (Tone) {\n\t    /**\n\t\t *  @class Tone.TimeBase is a flexible encoding of time\n\t\t *         which can be evaluated to and from a string.\n\t\t *         Parsing code modified from https://code.google.com/p/tapdigit/\n\t\t *         Copyright 2011 2012 Ariya Hidayat, New BSD License\n\t\t *  @extends {Tone}\n\t\t *  @param  {Time}  val    The time value as a number or string\n\t\t *  @param  {String=}  units  Unit values\n\t\t *  @example\n\t\t * Tone.TimeBase(4, \"n\")\n\t\t * Tone.TimeBase(2, \"t\")\n\t\t * Tone.TimeBase(\"2t\").add(\"1m\")\n\t\t * Tone.TimeBase(\"2t + 1m\");\n\t\t */\n\t    Tone.TimeBase = function (val, units) {\n\t        //allows it to be constructed with or without 'new'\n\t        if (this instanceof Tone.TimeBase) {\n\t            /**\n\t\t\t\t *  Any expressions parsed from the Time\n\t\t\t\t *  @type  {Array}\n\t\t\t\t *  @private\n\t\t\t\t */\n\t            this._expr = this._noOp;\n\t            if (val instanceof Tone.TimeBase) {\n\t                this.copy(val);\n\t            } else if (!this.isUndef(units) || this.isNumber(val)) {\n\t                //default units\n\t                units = this.defaultArg(units, this._defaultUnits);\n\t                var method = this._primaryExpressions[units].method;\n\t                this._expr = method.bind(this, val);\n\t            } else if (this.isString(val)) {\n\t                this.set(val);\n\t            } else if (this.isUndef(val)) {\n\t                //default expression\n\t                this._expr = this._defaultExpr();\n\t            }\n\t        } else {\n\t            return new Tone.TimeBase(val, units);\n\t        }\n\t    };\n\t    Tone.extend(Tone.TimeBase);\n\t    /**\n\t\t *  Repalce the current time value with the value\n\t\t *  given by the expression string.\n\t\t *  @param  {String}  exprString\n\t\t *  @return {Tone.TimeBase} this\n\t\t */\n\t    Tone.TimeBase.prototype.set = function (exprString) {\n\t        this._expr = this._parseExprString(exprString);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Return a clone of the TimeBase object.\n\t\t *  @return  {Tone.TimeBase} The new cloned Tone.TimeBase\n\t\t */\n\t    Tone.TimeBase.prototype.clone = function () {\n\t        var instance = new this.constructor();\n\t        instance.copy(this);\n\t        return instance;\n\t    };\n\t    /**\n\t\t *  Copies the value of time to this Time\n\t\t *  @param {Tone.TimeBase} time\n\t\t *  @return  {TimeBase}\n\t\t */\n\t    Tone.TimeBase.prototype.copy = function (time) {\n\t        var val = time._expr();\n\t        return this.set(val);\n\t    };\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    //\tABSTRACT SYNTAX TREE PARSER\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    /**\n\t\t *  All the primary expressions.\n\t\t *  @private\n\t\t *  @type  {Object}\n\t\t */\n\t    Tone.TimeBase.prototype._primaryExpressions = {\n\t        'n': {\n\t            regexp: /^(\\d+)n/i,\n\t            method: function (value) {\n\t                value = parseInt(value);\n\t                if (value === 1) {\n\t                    return this._beatsToUnits(this._timeSignature());\n\t                } else {\n\t                    return this._beatsToUnits(4 / value);\n\t                }\n\t            }\n\t        },\n\t        't': {\n\t            regexp: /^(\\d+)t/i,\n\t            method: function (value) {\n\t                value = parseInt(value);\n\t                return this._beatsToUnits(8 / (parseInt(value) * 3));\n\t            }\n\t        },\n\t        'm': {\n\t            regexp: /^(\\d+)m/i,\n\t            method: function (value) {\n\t                return this._beatsToUnits(parseInt(value) * this._timeSignature());\n\t            }\n\t        },\n\t        'i': {\n\t            regexp: /^(\\d+)i/i,\n\t            method: function (value) {\n\t                return this._ticksToUnits(parseInt(value));\n\t            }\n\t        },\n\t        'hz': {\n\t            regexp: /^(\\d+(?:\\.\\d+)?)hz/i,\n\t            method: function (value) {\n\t                return this._frequencyToUnits(parseFloat(value));\n\t            }\n\t        },\n\t        'tr': {\n\t            regexp: /^(\\d+(?:\\.\\d+)?):(\\d+(?:\\.\\d+)?):?(\\d+(?:\\.\\d+)?)?/,\n\t            method: function (m, q, s) {\n\t                var total = 0;\n\t                if (m && m !== '0') {\n\t                    total += this._beatsToUnits(this._timeSignature() * parseFloat(m));\n\t                }\n\t                if (q && q !== '0') {\n\t                    total += this._beatsToUnits(parseFloat(q));\n\t                }\n\t                if (s && s !== '0') {\n\t                    total += this._beatsToUnits(parseFloat(s) / 4);\n\t                }\n\t                return total;\n\t            }\n\t        },\n\t        's': {\n\t            regexp: /^(\\d+(?:\\.\\d+)?s)/,\n\t            method: function (value) {\n\t                return this._secondsToUnits(parseFloat(value));\n\t            }\n\t        },\n\t        'samples': {\n\t            regexp: /^(\\d+)samples/,\n\t            method: function (value) {\n\t                return parseInt(value) / this.context.sampleRate;\n\t            }\n\t        },\n\t        'default': {\n\t            regexp: /^(\\d+(?:\\.\\d+)?)/,\n\t            method: function (value) {\n\t                return this._primaryExpressions[this._defaultUnits].method.call(this, value);\n\t            }\n\t        }\n\t    };\n\t    /**\n\t\t *  All the binary expressions that TimeBase can accept.\n\t\t *  @private\n\t\t *  @type  {Object}\n\t\t */\n\t    Tone.TimeBase.prototype._binaryExpressions = {\n\t        '+': {\n\t            regexp: /^\\+/,\n\t            precedence: 2,\n\t            method: function (lh, rh) {\n\t                return lh() + rh();\n\t            }\n\t        },\n\t        '-': {\n\t            regexp: /^\\-/,\n\t            precedence: 2,\n\t            method: function (lh, rh) {\n\t                return lh() - rh();\n\t            }\n\t        },\n\t        '*': {\n\t            regexp: /^\\*/,\n\t            precedence: 1,\n\t            method: function (lh, rh) {\n\t                return lh() * rh();\n\t            }\n\t        },\n\t        '/': {\n\t            regexp: /^\\//,\n\t            precedence: 1,\n\t            method: function (lh, rh) {\n\t                return lh() / rh();\n\t            }\n\t        }\n\t    };\n\t    /**\n\t\t *  All the unary expressions.\n\t\t *  @private\n\t\t *  @type  {Object}\n\t\t */\n\t    Tone.TimeBase.prototype._unaryExpressions = {\n\t        'neg': {\n\t            regexp: /^\\-/,\n\t            method: function (lh) {\n\t                return -lh();\n\t            }\n\t        }\n\t    };\n\t    /**\n\t\t *  Syntactic glue which holds expressions together\n\t\t *  @private\n\t\t *  @type  {Object}\n\t\t */\n\t    Tone.TimeBase.prototype._syntaxGlue = {\n\t        '(': { regexp: /^\\(/ },\n\t        ')': { regexp: /^\\)/ }\n\t    };\n\t    /**\n\t\t *  tokenize the expression based on the Expressions object\n\t\t *  @param   {string} expr \n\t\t *  @return  {Object}      returns two methods on the tokenized list, next and peek\n\t\t *  @private\n\t\t */\n\t    Tone.TimeBase.prototype._tokenize = function (expr) {\n\t        var position = -1;\n\t        var tokens = [];\n\t        while (expr.length > 0) {\n\t            expr = expr.trim();\n\t            var token = getNextToken(expr, this);\n\t            tokens.push(token);\n\t            expr = expr.substr(token.value.length);\n\t        }\n\t        function getNextToken(expr, context) {\n\t            var expressions = [\n\t                '_binaryExpressions',\n\t                '_unaryExpressions',\n\t                '_primaryExpressions',\n\t                '_syntaxGlue'\n\t            ];\n\t            for (var i = 0; i < expressions.length; i++) {\n\t                var group = context[expressions[i]];\n\t                for (var opName in group) {\n\t                    var op = group[opName];\n\t                    var reg = op.regexp;\n\t                    var match = expr.match(reg);\n\t                    if (match !== null) {\n\t                        return {\n\t                            method: op.method,\n\t                            precedence: op.precedence,\n\t                            regexp: op.regexp,\n\t                            value: match[0]\n\t                        };\n\t                    }\n\t                }\n\t            }\n\t            throw new SyntaxError('Tone.TimeBase: Unexpected token ' + expr);\n\t        }\n\t        return {\n\t            next: function () {\n\t                return tokens[++position];\n\t            },\n\t            peek: function () {\n\t                return tokens[position + 1];\n\t            }\n\t        };\n\t    };\n\t    /**\n\t\t *  Given a token, find the value within the groupName\n\t\t *  @param {Object} token\n\t\t *  @param {String} groupName\n\t\t *  @param {Number} precedence\n\t\t *  @private\n\t\t */\n\t    Tone.TimeBase.prototype._matchGroup = function (token, group, prec) {\n\t        var ret = false;\n\t        if (!this.isUndef(token)) {\n\t            for (var opName in group) {\n\t                var op = group[opName];\n\t                if (op.regexp.test(token.value)) {\n\t                    if (!this.isUndef(prec)) {\n\t                        if (op.precedence === prec) {\n\t                            return op;\n\t                        }\n\t                    } else {\n\t                        return op;\n\t                    }\n\t                }\n\t            }\n\t        }\n\t        return ret;\n\t    };\n\t    /**\n\t\t *  Match a binary expression given the token and the precedence\n\t\t *  @param {Lexer} lexer\n\t\t *  @param {Number} precedence\n\t\t *  @private\n\t\t */\n\t    Tone.TimeBase.prototype._parseBinary = function (lexer, precedence) {\n\t        if (this.isUndef(precedence)) {\n\t            precedence = 2;\n\t        }\n\t        var expr;\n\t        if (precedence < 0) {\n\t            expr = this._parseUnary(lexer);\n\t        } else {\n\t            expr = this._parseBinary(lexer, precedence - 1);\n\t        }\n\t        var token = lexer.peek();\n\t        while (token && this._matchGroup(token, this._binaryExpressions, precedence)) {\n\t            token = lexer.next();\n\t            expr = token.method.bind(this, expr, this._parseBinary(lexer, precedence - 1));\n\t            token = lexer.peek();\n\t        }\n\t        return expr;\n\t    };\n\t    /**\n\t\t *  Match a unary expression.\n\t\t *  @param {Lexer} lexer\n\t\t *  @private\n\t\t */\n\t    Tone.TimeBase.prototype._parseUnary = function (lexer) {\n\t        var token, expr;\n\t        token = lexer.peek();\n\t        var op = this._matchGroup(token, this._unaryExpressions);\n\t        if (op) {\n\t            token = lexer.next();\n\t            expr = this._parseUnary(lexer);\n\t            return op.method.bind(this, expr);\n\t        }\n\t        return this._parsePrimary(lexer);\n\t    };\n\t    /**\n\t\t *  Match a primary expression (a value).\n\t\t *  @param {Lexer} lexer\n\t\t *  @private\n\t\t */\n\t    Tone.TimeBase.prototype._parsePrimary = function (lexer) {\n\t        var token, expr;\n\t        token = lexer.peek();\n\t        if (this.isUndef(token)) {\n\t            throw new SyntaxError('Tone.TimeBase: Unexpected end of expression');\n\t        }\n\t        if (this._matchGroup(token, this._primaryExpressions)) {\n\t            token = lexer.next();\n\t            var matching = token.value.match(token.regexp);\n\t            return token.method.bind(this, matching[1], matching[2], matching[3]);\n\t        }\n\t        if (token && token.value === '(') {\n\t            lexer.next();\n\t            expr = this._parseBinary(lexer);\n\t            token = lexer.next();\n\t            if (!(token && token.value === ')')) {\n\t                throw new SyntaxError('Expected )');\n\t            }\n\t            return expr;\n\t        }\n\t        throw new SyntaxError('Tone.TimeBase: Cannot process token ' + token.value);\n\t    };\n\t    /**\n\t\t *  Recursively parse the string expression into a syntax tree.\n\t\t *  @param   {string} expr \n\t\t *  @return  {Function} the bound method to be evaluated later\n\t\t *  @private\n\t\t */\n\t    Tone.TimeBase.prototype._parseExprString = function (exprString) {\n\t        if (!this.isString(exprString)) {\n\t            exprString = exprString.toString();\n\t        }\n\t        var lexer = this._tokenize(exprString);\n\t        var tree = this._parseBinary(lexer);\n\t        return tree;\n\t    };\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    //\tDEFAULTS\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    /**\n\t\t *  The initial expression value\n\t\t *  @return  {Number}  The initial value 0\n\t\t *  @private\n\t\t */\n\t    Tone.TimeBase.prototype._noOp = function () {\n\t        return 0;\n\t    };\n\t    /**\n\t\t *  The default expression value if no arguments are given\n\t\t *  @private\n\t\t */\n\t    Tone.TimeBase.prototype._defaultExpr = function () {\n\t        return this._noOp;\n\t    };\n\t    /**\n\t\t *  The default units if none are given.\n\t\t *  @private\n\t\t */\n\t    Tone.TimeBase.prototype._defaultUnits = 's';\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    //\tUNIT CONVERSIONS\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    /**\n\t\t *  Returns the value of a frequency in the current units\n\t\t *  @param {Frequency} freq\n\t\t *  @return  {Number}\n\t\t *  @private\n\t\t */\n\t    Tone.TimeBase.prototype._frequencyToUnits = function (freq) {\n\t        return 1 / freq;\n\t    };\n\t    /**\n\t\t *  Return the value of the beats in the current units\n\t\t *  @param {Number} beats\n\t\t *  @return  {Number}\n\t\t *  @private\n\t\t */\n\t    Tone.TimeBase.prototype._beatsToUnits = function (beats) {\n\t        return 60 / Tone.Transport.bpm.value * beats;\n\t    };\n\t    /**\n\t\t *  Returns the value of a second in the current units\n\t\t *  @param {Seconds} seconds\n\t\t *  @return  {Number}\n\t\t *  @private\n\t\t */\n\t    Tone.TimeBase.prototype._secondsToUnits = function (seconds) {\n\t        return seconds;\n\t    };\n\t    /**\n\t\t *  Returns the value of a tick in the current time units\n\t\t *  @param {Ticks} ticks\n\t\t *  @return  {Number}\n\t\t *  @private\n\t\t */\n\t    Tone.TimeBase.prototype._ticksToUnits = function (ticks) {\n\t        return ticks * (this._beatsToUnits(1) / Tone.Transport.PPQ);\n\t    };\n\t    /**\n\t\t *  Return the time signature.\n\t\t *  @return  {Number}\n\t\t *  @private\n\t\t */\n\t    Tone.TimeBase.prototype._timeSignature = function () {\n\t        return Tone.Transport.timeSignature;\n\t    };\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    //\tEXPRESSIONS\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    /**\n\t\t *  Push an expression onto the expression list\n\t\t *  @param  {Time}  val\n\t\t *  @param  {String}  type\n\t\t *  @param  {String}  units\n\t\t *  @return  {Tone.TimeBase} \n\t\t *  @private\n\t\t */\n\t    Tone.TimeBase.prototype._pushExpr = function (val, name, units) {\n\t        //create the expression\n\t        if (!(val instanceof Tone.TimeBase)) {\n\t            val = new this.constructor(val, units);\n\t        }\n\t        this._expr = this._binaryExpressions[name].method.bind(this, this._expr, val._expr);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Add to the current value.\n\t\t *  @param  {Time}  val    The value to add\n\t\t *  @param  {String=}  units  Optional units to use with the value.\n\t\t *  @return  {Tone.TimeBase}  this\n\t\t *  @example\n\t\t * Tone.TimeBase(\"2m\").add(\"1m\"); //\"3m\"\n\t\t */\n\t    Tone.TimeBase.prototype.add = function (val, units) {\n\t        return this._pushExpr(val, '+', units);\n\t    };\n\t    /**\n\t\t *  Subtract the value from the current time.\n\t\t *  @param  {Time}  val    The value to subtract\n\t\t *  @param  {String=}  units  Optional units to use with the value.\n\t\t *  @return  {Tone.TimeBase}  this\n\t\t *  @example\n\t\t * Tone.TimeBase(\"2m\").sub(\"1m\"); //\"1m\"\n\t\t */\n\t    Tone.TimeBase.prototype.sub = function (val, units) {\n\t        return this._pushExpr(val, '-', units);\n\t    };\n\t    /**\n\t\t *  Multiply the current value by the given time.\n\t\t *  @param  {Time}  val    The value to multiply\n\t\t *  @param  {String=}  units  Optional units to use with the value.\n\t\t *  @return  {Tone.TimeBase}  this\n\t\t *  @example\n\t\t * Tone.TimeBase(\"2m\").mult(\"2\"); //\"4m\"\n\t\t */\n\t    Tone.TimeBase.prototype.mult = function (val, units) {\n\t        return this._pushExpr(val, '*', units);\n\t    };\n\t    /**\n\t\t *  Divide the current value by the given time.\n\t\t *  @param  {Time}  val    The value to divide by\n\t\t *  @param  {String=}  units  Optional units to use with the value.\n\t\t *  @return  {Tone.TimeBase}  this\n\t\t *  @example\n\t\t * Tone.TimeBase(\"2m\").div(2); //\"1m\"\n\t\t */\n\t    Tone.TimeBase.prototype.div = function (val, units) {\n\t        return this._pushExpr(val, '/', units);\n\t    };\n\t    /**\n\t\t *  Evaluate the time value. Returns the time\n\t\t *  in seconds.\n\t\t *  @return  {Seconds} \n\t\t */\n\t    Tone.TimeBase.prototype.valueOf = function () {\n\t        return this._expr();\n\t    };\n\t    /**\n\t\t *  Clean up\n\t\t *  @return {Tone.TimeBase} this\n\t\t */\n\t    Tone.TimeBase.prototype.dispose = function () {\n\t        this._expr = null;\n\t    };\n\t    return Tone.TimeBase;\n\t});\n\tModule(function (Tone) {\n\t    /**\n\t\t *  @class Tone.Time is a primitive type for encoding Time values. \n\t\t *         Eventually all time values are evaluated to seconds\n\t\t *         using the `eval` method. Tone.Time can be constructed\n\t\t *         with or without the `new` keyword. Tone.Time can be passed\n\t\t *         into the parameter of any method which takes time as an argument. \n\t\t *  @constructor\n\t\t *  @extends {Tone.TimeBase}\n\t\t *  @param  {String|Number}  val    The time value.\n\t\t *  @param  {String=}  units  The units of the value.\n\t\t *  @example\n\t\t * var t = Tone.Time(\"4n\");//encodes a quarter note\n\t\t * t.mult(4); // multiply that value by 4\n\t\t * t.toNotation(); //returns \"1m\"\n\t\t */\n\t    Tone.Time = function (val, units) {\n\t        if (this instanceof Tone.Time) {\n\t            /**\n\t\t\t\t *  If the current clock time should\n\t\t\t\t *  be added to the output\n\t\t\t\t *  @type  {Boolean}\n\t\t\t\t *  @private\n\t\t\t\t */\n\t            this._plusNow = false;\n\t            Tone.TimeBase.call(this, val, units);\n\t        } else {\n\t            return new Tone.Time(val, units);\n\t        }\n\t    };\n\t    Tone.extend(Tone.Time, Tone.TimeBase);\n\t    //clone the expressions so that \n\t    //we can add more without modifying the original\n\t    Tone.Time.prototype._unaryExpressions = Object.create(Tone.TimeBase.prototype._unaryExpressions);\n\t    /*\n\t\t *  Adds an additional unary expression\n\t\t *  which quantizes values to the next subdivision\n\t\t *  @type {Object}\n\t\t *  @private\n\t\t */\n\t    Tone.Time.prototype._unaryExpressions.quantize = {\n\t        regexp: /^@/,\n\t        method: function (rh) {\n\t            return Tone.Transport.nextSubdivision(rh());\n\t        }\n\t    };\n\t    /*\n\t\t *  Adds an additional unary expression\n\t\t *  which adds the current clock time.\n\t\t *  @type {Object}\n\t\t *  @private\n\t\t */\n\t    Tone.Time.prototype._unaryExpressions.now = {\n\t        regexp: /^\\+/,\n\t        method: function (lh) {\n\t            this._plusNow = true;\n\t            return lh();\n\t        }\n\t    };\n\t    /**\n\t\t *  Quantize the time by the given subdivision. Optionally add a\n\t\t *  percentage which will move the time value towards the ideal\n\t\t *  quantized value by that percentage. \n\t\t *  @param  {Number|Time}  val    The subdivision to quantize to\n\t\t *  @param  {NormalRange}  [percent=1]  Move the time value\n\t\t *                                   towards the quantized value by\n\t\t *                                   a percentage.\n\t\t *  @return  {Tone.Time}  this\n\t\t *  @example\n\t\t * Tone.Time(21).quantize(2) //returns 22\n\t\t * Tone.Time(0.6).quantize(\"4n\", 0.5) //returns 0.55\n\t\t */\n\t    Tone.Time.prototype.quantize = function (subdiv, percent) {\n\t        percent = this.defaultArg(percent, 1);\n\t        this._expr = function (expr, subdivision, percent) {\n\t            expr = expr();\n\t            subdivision = subdivision.toSeconds();\n\t            var multiple = Math.round(expr / subdivision);\n\t            var ideal = multiple * subdivision;\n\t            var diff = ideal - expr;\n\t            return expr + diff * percent;\n\t        }.bind(this, this._expr, new this.constructor(subdiv), percent);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Adds the clock time to the time expression at the \n\t\t *  moment of evaluation. \n\t\t *  @return  {Tone.Time}  this\n\t\t */\n\t    Tone.Time.prototype.addNow = function () {\n\t        this._plusNow = true;\n\t        return this;\n\t    };\n\t    /**\n\t\t *  @override\n\t\t *  Override the default value return when no arguments are passed in.\n\t\t *  The default value is 'now'\n\t\t *  @private\n\t\t */\n\t    Tone.Time.prototype._defaultExpr = function () {\n\t        this._plusNow = true;\n\t        return this._noOp;\n\t    };\n\t    /**\n\t\t *  Copies the value of time to this Time\n\t\t *  @param {Tone.Time} time\n\t\t *  @return  {Time}\n\t\t */\n\t    Tone.Time.prototype.copy = function (time) {\n\t        Tone.TimeBase.prototype.copy.call(this, time);\n\t        this._plusNow = time._plusNow;\n\t        return this;\n\t    };\n\t    //CONVERSIONS//////////////////////////////////////////////////////////////\n\t    /**\n\t\t *  Convert a Time to Notation. Values will be thresholded to the nearest 128th note. \n\t\t *  @return {Notation} \n\t\t *  @example\n\t\t * //if the Transport is at 120bpm:\n\t\t * Tone.Time(2).toNotation();//returns \"1m\"\n\t\t */\n\t    Tone.Time.prototype.toNotation = function () {\n\t        var time = this.toSeconds();\n\t        var testNotations = [\n\t            '1m',\n\t            '2n',\n\t            '4n',\n\t            '8n',\n\t            '16n',\n\t            '32n',\n\t            '64n',\n\t            '128n'\n\t        ];\n\t        var retNotation = this._toNotationHelper(time, testNotations);\n\t        //try the same thing but with tripelets\n\t        var testTripletNotations = [\n\t            '1m',\n\t            '2n',\n\t            '2t',\n\t            '4n',\n\t            '4t',\n\t            '8n',\n\t            '8t',\n\t            '16n',\n\t            '16t',\n\t            '32n',\n\t            '32t',\n\t            '64n',\n\t            '64t',\n\t            '128n'\n\t        ];\n\t        var retTripletNotation = this._toNotationHelper(time, testTripletNotations);\n\t        //choose the simpler expression of the two\n\t        if (retTripletNotation.split('+').length < retNotation.split('+').length) {\n\t            return retTripletNotation;\n\t        } else {\n\t            return retNotation;\n\t        }\n\t    };\n\t    /**\n\t\t *  Helper method for Tone.toNotation\n\t\t *  @param {Number} units \n\t\t *  @param {Array} testNotations\n\t\t *  @return {String}\n\t\t *  @private\n\t\t */\n\t    Tone.Time.prototype._toNotationHelper = function (units, testNotations) {\n\t        //the threshold is the last value in the array\n\t        var threshold = this._notationToUnits(testNotations[testNotations.length - 1]);\n\t        var retNotation = '';\n\t        for (var i = 0; i < testNotations.length; i++) {\n\t            var notationTime = this._notationToUnits(testNotations[i]);\n\t            //account for floating point errors (i.e. round up if the value is 0.999999)\n\t            var multiple = units / notationTime;\n\t            var floatingPointError = 0.000001;\n\t            if (1 - multiple % 1 < floatingPointError) {\n\t                multiple += floatingPointError;\n\t            }\n\t            multiple = Math.floor(multiple);\n\t            if (multiple > 0) {\n\t                if (multiple === 1) {\n\t                    retNotation += testNotations[i];\n\t                } else {\n\t                    retNotation += multiple.toString() + '*' + testNotations[i];\n\t                }\n\t                units -= multiple * notationTime;\n\t                if (units < threshold) {\n\t                    break;\n\t                } else {\n\t                    retNotation += ' + ';\n\t                }\n\t            }\n\t        }\n\t        if (retNotation === '') {\n\t            retNotation = '0';\n\t        }\n\t        return retNotation;\n\t    };\n\t    /**\n\t\t *  Convert a notation value to the current units\n\t\t *  @param  {Notation}  notation \n\t\t *  @return  {Number} \n\t\t *  @private\n\t\t */\n\t    Tone.Time.prototype._notationToUnits = function (notation) {\n\t        var primaryExprs = this._primaryExpressions;\n\t        var notationExprs = [\n\t            primaryExprs.n,\n\t            primaryExprs.t,\n\t            primaryExprs.m\n\t        ];\n\t        for (var i = 0; i < notationExprs.length; i++) {\n\t            var expr = notationExprs[i];\n\t            var match = notation.match(expr.regexp);\n\t            if (match) {\n\t                return expr.method.call(this, match[1]);\n\t            }\n\t        }\n\t    };\n\t    /**\n\t\t *  Return the time encoded as Bars:Beats:Sixteenths.\n\t\t *  @return  {BarsBeatsSixteenths}\n\t\t */\n\t    Tone.Time.prototype.toBarsBeatsSixteenths = function () {\n\t        var quarterTime = this._beatsToUnits(1);\n\t        var quarters = this.toSeconds() / quarterTime;\n\t        var measures = Math.floor(quarters / this._timeSignature());\n\t        var sixteenths = quarters % 1 * 4;\n\t        quarters = Math.floor(quarters) % this._timeSignature();\n\t        sixteenths = sixteenths.toString();\n\t        if (sixteenths.length > 3) {\n\t            sixteenths = parseFloat(sixteenths).toFixed(3);\n\t        }\n\t        var progress = [\n\t            measures,\n\t            quarters,\n\t            sixteenths\n\t        ];\n\t        return progress.join(':');\n\t    };\n\t    /**\n\t\t *  Return the time in ticks.\n\t\t *  @return  {Ticks}\n\t\t */\n\t    Tone.Time.prototype.toTicks = function () {\n\t        var quarterTime = this._beatsToUnits(1);\n\t        var quarters = this.valueOf() / quarterTime;\n\t        return Math.floor(quarters * Tone.Transport.PPQ);\n\t    };\n\t    /**\n\t\t *  Return the time in samples\n\t\t *  @return  {Samples}  \n\t\t */\n\t    Tone.Time.prototype.toSamples = function () {\n\t        return this.toSeconds() * this.context.sampleRate;\n\t    };\n\t    /**\n\t\t *  Return the time as a frequency value\n\t\t *  @return  {Frequency} \n\t\t *  @example\n\t\t * Tone.Time(2).toFrequency(); //0.5\n\t\t */\n\t    Tone.Time.prototype.toFrequency = function () {\n\t        return 1 / this.toSeconds();\n\t    };\n\t    /**\n\t\t *  Return the time in seconds.\n\t\t *  @return  {Seconds} \n\t\t */\n\t    Tone.Time.prototype.toSeconds = function () {\n\t        return this.valueOf();\n\t    };\n\t    /**\n\t\t *  Return the time in milliseconds.\n\t\t *  @return  {Milliseconds} \n\t\t */\n\t    Tone.Time.prototype.toMilliseconds = function () {\n\t        return this.toSeconds() * 1000;\n\t    };\n\t    /**\n\t\t *  Return the time in seconds.\n\t\t *  @return  {Seconds} \n\t\t */\n\t    Tone.Time.prototype.valueOf = function () {\n\t        var val = this._expr();\n\t        return val + (this._plusNow ? this.now() : 0);\n\t    };\n\t    return Tone.Time;\n\t});\n\tModule(function (Tone) {\n\t    /**\n\t\t *  @class Tone.Frequency is a primitive type for encoding Frequency values. \n\t\t *         Eventually all time values are evaluated to hertz\n\t\t *         using the `eval` method. \n\t\t *  @constructor\n\t\t *  @extends {Tone.TimeBase}\n\t\t *  @param  {String|Number}  val    The time value.\n\t\t *  @param  {String=}  units  The units of the value.\n\t\t *  @example\n\t\t * Tone.Frequency(\"C3\") // 261\n\t\t * Tone.Frequency(38, \"midi\") //\n\t\t * Tone.Frequency(\"C3\").transpose(4);\n\t\t */\n\t    Tone.Frequency = function (val, units) {\n\t        if (this instanceof Tone.Frequency) {\n\t            Tone.TimeBase.call(this, val, units);\n\t        } else {\n\t            return new Tone.Frequency(val, units);\n\t        }\n\t    };\n\t    Tone.extend(Tone.Frequency, Tone.TimeBase);\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    //\tAUGMENT BASE EXPRESSIONS\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    //clone the expressions so that \n\t    //we can add more without modifying the original\n\t    Tone.Frequency.prototype._primaryExpressions = Object.create(Tone.TimeBase.prototype._primaryExpressions);\n\t    /*\n\t\t *  midi type primary expression\n\t\t *  @type {Object}\n\t\t *  @private\n\t\t */\n\t    Tone.Frequency.prototype._primaryExpressions.midi = {\n\t        regexp: /^(\\d+(?:\\.\\d+)?midi)/,\n\t        method: function (value) {\n\t            return this.midiToFrequency(value);\n\t        }\n\t    };\n\t    /*\n\t\t *  note type primary expression\n\t\t *  @type {Object}\n\t\t *  @private\n\t\t */\n\t    Tone.Frequency.prototype._primaryExpressions.note = {\n\t        regexp: /^([a-g]{1}(?:b|#|x|bb)?)(-?[0-9]+)/i,\n\t        method: function (pitch, octave) {\n\t            var index = noteToScaleIndex[pitch.toLowerCase()];\n\t            var noteNumber = index + (parseInt(octave) + 1) * 12;\n\t            return this.midiToFrequency(noteNumber);\n\t        }\n\t    };\n\t    /*\n\t\t *  BeatsBarsSixteenths type primary expression\n\t\t *  @type {Object}\n\t\t *  @private\n\t\t */\n\t    Tone.Frequency.prototype._primaryExpressions.tr = {\n\t        regexp: /^(\\d+(?:\\.\\d+)?):(\\d+(?:\\.\\d+)?):?(\\d+(?:\\.\\d+)?)?/,\n\t        method: function (m, q, s) {\n\t            var total = 1;\n\t            if (m && m !== '0') {\n\t                total *= this._beatsToUnits(this._timeSignature() * parseFloat(m));\n\t            }\n\t            if (q && q !== '0') {\n\t                total *= this._beatsToUnits(parseFloat(q));\n\t            }\n\t            if (s && s !== '0') {\n\t                total *= this._beatsToUnits(parseFloat(s) / 4);\n\t            }\n\t            return total;\n\t        }\n\t    };\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    //\tEXPRESSIONS\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    /**\n\t\t *  Transposes the frequency by the given number of semitones.\n\t\t *  @param  {Interval}  interval\n\t\t *  @return  {Tone.Frequency} this\n\t\t *  @example\n\t\t * Tone.Frequency(\"A4\").transpose(3); //\"C5\"\n\t\t */\n\t    Tone.Frequency.prototype.transpose = function (interval) {\n\t        this._expr = function (expr, interval) {\n\t            var val = expr();\n\t            return val * this.intervalToFrequencyRatio(interval);\n\t        }.bind(this, this._expr, interval);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Takes an array of semitone intervals and returns\n\t\t *  an array of frequencies transposed by those intervals.\n\t\t *  @param  {Array}  intervals\n\t\t *  @return  {Tone.Frequency} this\n\t\t *  @example\n\t\t * Tone.Frequency(\"A4\").harmonize([0, 3, 7]); //[\"A4\", \"C5\", \"E5\"]\n\t\t */\n\t    Tone.Frequency.prototype.harmonize = function (intervals) {\n\t        this._expr = function (expr, intervals) {\n\t            var val = expr();\n\t            var ret = [];\n\t            for (var i = 0; i < intervals.length; i++) {\n\t                ret[i] = val * this.intervalToFrequencyRatio(intervals[i]);\n\t            }\n\t            return ret;\n\t        }.bind(this, this._expr, intervals);\n\t        return this;\n\t    };\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    //\tUNIT CONVERSIONS\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    /**\n\t\t *  Return the value of the frequency as a MIDI note\n\t\t *  @return  {MIDI}\n\t\t *  @example\n\t\t * Tone.Frequency(\"C4\").toMidi(); //60\n\t\t */\n\t    Tone.Frequency.prototype.toMidi = function () {\n\t        return this.frequencyToMidi(this.valueOf());\n\t    };\n\t    /**\n\t\t *  Return the value of the frequency in Scientific Pitch Notation\n\t\t *  @return  {Note}\n\t\t *  @example\n\t\t * Tone.Frequency(69, \"midi\").toNote(); //\"A4\"\n\t\t */\n\t    Tone.Frequency.prototype.toNote = function () {\n\t        var freq = this.valueOf();\n\t        var log = Math.log(freq / Tone.Frequency.A4) / Math.LN2;\n\t        var noteNumber = Math.round(12 * log) + 57;\n\t        var octave = Math.floor(noteNumber / 12);\n\t        if (octave < 0) {\n\t            noteNumber += -12 * octave;\n\t        }\n\t        var noteName = scaleIndexToNote[noteNumber % 12];\n\t        return noteName + octave.toString();\n\t    };\n\t    /**\n\t\t *  Return the duration of one cycle in seconds.\n\t\t *  @return  {Seconds}\n\t\t */\n\t    Tone.Frequency.prototype.toSeconds = function () {\n\t        return 1 / this.valueOf();\n\t    };\n\t    /**\n\t\t *  Return the value in Hertz\n\t\t *  @return  {Frequency}\n\t\t */\n\t    Tone.Frequency.prototype.toFrequency = function () {\n\t        return this.valueOf();\n\t    };\n\t    /**\n\t\t *  Return the duration of one cycle in ticks\n\t\t *  @return  {Ticks}\n\t\t */\n\t    Tone.Frequency.prototype.toTicks = function () {\n\t        var quarterTime = this._beatsToUnits(1);\n\t        var quarters = this.valueOf() / quarterTime;\n\t        return Math.floor(quarters * Tone.Transport.PPQ);\n\t    };\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    //\tUNIT CONVERSIONS HELPERS\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    /**\n\t\t *  Returns the value of a frequency in the current units\n\t\t *  @param {Frequency} freq\n\t\t *  @return  {Number}\n\t\t *  @private\n\t\t */\n\t    Tone.Frequency.prototype._frequencyToUnits = function (freq) {\n\t        return freq;\n\t    };\n\t    /**\n\t\t *  Returns the value of a tick in the current time units\n\t\t *  @param {Ticks} ticks\n\t\t *  @return  {Number}\n\t\t *  @private\n\t\t */\n\t    Tone.Frequency.prototype._ticksToUnits = function (ticks) {\n\t        return 1 / (ticks * 60 / (Tone.Transport.bpm.value * Tone.Transport.PPQ));\n\t    };\n\t    /**\n\t\t *  Return the value of the beats in the current units\n\t\t *  @param {Number} beats\n\t\t *  @return  {Number}\n\t\t *  @private\n\t\t */\n\t    Tone.Frequency.prototype._beatsToUnits = function (beats) {\n\t        return 1 / Tone.TimeBase.prototype._beatsToUnits.call(this, beats);\n\t    };\n\t    /**\n\t\t *  Returns the value of a second in the current units\n\t\t *  @param {Seconds} seconds\n\t\t *  @return  {Number}\n\t\t *  @private\n\t\t */\n\t    Tone.Frequency.prototype._secondsToUnits = function (seconds) {\n\t        return 1 / seconds;\n\t    };\n\t    /**\n\t\t *  The default units if none are given.\n\t\t *  @private\n\t\t */\n\t    Tone.Frequency.prototype._defaultUnits = 'hz';\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    //\tFREQUENCY CONVERSIONS\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    /**\n\t\t *  Note to scale index\n\t\t *  @type  {Object}\n\t\t */\n\t    var noteToScaleIndex = {\n\t        'cbb': -2,\n\t        'cb': -1,\n\t        'c': 0,\n\t        'c#': 1,\n\t        'cx': 2,\n\t        'dbb': 0,\n\t        'db': 1,\n\t        'd': 2,\n\t        'd#': 3,\n\t        'dx': 4,\n\t        'ebb': 2,\n\t        'eb': 3,\n\t        'e': 4,\n\t        'e#': 5,\n\t        'ex': 6,\n\t        'fbb': 3,\n\t        'fb': 4,\n\t        'f': 5,\n\t        'f#': 6,\n\t        'fx': 7,\n\t        'gbb': 5,\n\t        'gb': 6,\n\t        'g': 7,\n\t        'g#': 8,\n\t        'gx': 9,\n\t        'abb': 7,\n\t        'ab': 8,\n\t        'a': 9,\n\t        'a#': 10,\n\t        'ax': 11,\n\t        'bbb': 9,\n\t        'bb': 10,\n\t        'b': 11,\n\t        'b#': 12,\n\t        'bx': 13\n\t    };\n\t    /**\n\t\t *  scale index to note (sharps)\n\t\t *  @type  {Array}\n\t\t */\n\t    var scaleIndexToNote = [\n\t        'C',\n\t        'C#',\n\t        'D',\n\t        'D#',\n\t        'E',\n\t        'F',\n\t        'F#',\n\t        'G',\n\t        'G#',\n\t        'A',\n\t        'A#',\n\t        'B'\n\t    ];\n\t    /**\n\t\t *  The [concert pitch](https://en.wikipedia.org/wiki/Concert_pitch)\n\t\t *  A4's values in Hertz. \n\t\t *  @type {Frequency}\n\t\t *  @static\n\t\t */\n\t    Tone.Frequency.A4 = 440;\n\t    /**\n\t\t *  Convert a MIDI note to frequency value. \n\t\t *  @param  {MIDI} midi The midi number to convert.\n\t\t *  @return {Frequency} the corresponding frequency value\n\t\t *  @example\n\t\t * tone.midiToFrequency(69); // returns 440\n\t\t */\n\t    Tone.Frequency.prototype.midiToFrequency = function (midi) {\n\t        return Tone.Frequency.A4 * Math.pow(2, (midi - 69) / 12);\n\t    };\n\t    /**\n\t\t *  Convert a frequency value to a MIDI note.\n\t\t *  @param {Frequency} frequency The value to frequency value to convert.\n\t\t *  @returns  {MIDI}\n\t\t *  @example\n\t\t * tone.midiToFrequency(440); // returns 69\n\t\t */\n\t    Tone.Frequency.prototype.frequencyToMidi = function (frequency) {\n\t        return 69 + 12 * Math.log(frequency / Tone.Frequency.A4) / Math.LN2;\n\t    };\n\t    return Tone.Frequency;\n\t});\n\tModule(function (Tone) {\n\t    /**\n\t\t *  @class Tone.TransportTime is a the time along the Transport's\n\t\t *         timeline. It is similar to Tone.Time, but instead of evaluating\n\t\t *         against the AudioContext's clock, it is evaluated against\n\t\t *         the Transport's position. See [TransportTime wiki](https://github.com/Tonejs/Tone.js/wiki/TransportTime).\n\t\t *  @constructor\n\t\t *  @param  {Time}  val    The time value as a number or string\n\t\t *  @param  {String=}  units  Unit values\n\t\t *  @extends {Tone.Time}\n\t\t */\n\t    Tone.TransportTime = function (val, units) {\n\t        if (this instanceof Tone.TransportTime) {\n\t            Tone.Time.call(this, val, units);\n\t        } else {\n\t            return new Tone.TransportTime(val, units);\n\t        }\n\t    };\n\t    Tone.extend(Tone.TransportTime, Tone.Time);\n\t    //clone the expressions so that \n\t    //we can add more without modifying the original\n\t    Tone.TransportTime.prototype._unaryExpressions = Object.create(Tone.Time.prototype._unaryExpressions);\n\t    /**\n\t\t *  Adds an additional unary expression\n\t\t *  which quantizes values to the next subdivision\n\t\t *  @type {Object}\n\t\t *  @private\n\t\t */\n\t    Tone.TransportTime.prototype._unaryExpressions.quantize = {\n\t        regexp: /^@/,\n\t        method: function (rh) {\n\t            var subdivision = this._secondsToTicks(rh());\n\t            var multiple = Math.ceil(Tone.Transport.ticks / subdivision);\n\t            return this._ticksToUnits(multiple * subdivision);\n\t        }\n\t    };\n\t    /**\n\t\t *  Convert seconds into ticks\n\t\t *  @param {Seconds} seconds\n\t\t *  @return  {Ticks}\n\t\t *  @private\n\t\t */\n\t    Tone.TransportTime.prototype._secondsToTicks = function (seconds) {\n\t        var quarterTime = this._beatsToUnits(1);\n\t        var quarters = seconds / quarterTime;\n\t        return Math.round(quarters * Tone.Transport.PPQ);\n\t    };\n\t    /**\n\t\t *  Evaluate the time expression. Returns values in ticks\n\t\t *  @return {Ticks}\n\t\t */\n\t    Tone.TransportTime.prototype.valueOf = function () {\n\t        var val = this._secondsToTicks(this._expr());\n\t        return val + (this._plusNow ? Tone.Transport.ticks : 0);\n\t    };\n\t    /**\n\t\t *  Return the time in ticks.\n\t\t *  @return  {Ticks}\n\t\t */\n\t    Tone.TransportTime.prototype.toTicks = function () {\n\t        return this.valueOf();\n\t    };\n\t    /**\n\t\t *  Return the time in seconds.\n\t\t *  @return  {Seconds}\n\t\t */\n\t    Tone.TransportTime.prototype.toSeconds = function () {\n\t        var val = this._expr();\n\t        return val + (this._plusNow ? Tone.Transport.seconds : 0);\n\t    };\n\t    /**\n\t\t *  Return the time as a frequency value\n\t\t *  @return  {Frequency} \n\t\t */\n\t    Tone.TransportTime.prototype.toFrequency = function () {\n\t        return 1 / this.toSeconds();\n\t    };\n\t    return Tone.TransportTime;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Tone.Emitter gives classes which extend it\n\t\t *         the ability to listen for and emit events. \n\t\t *         Inspiration and reference from Jerome Etienne's [MicroEvent](https://github.com/jeromeetienne/microevent.js).\n\t\t *         MIT (c) 2011 Jerome Etienne.\n\t\t *         \n\t\t *  @extends {Tone}\n\t\t */\n\t    Tone.Emitter = function () {\n\t        /**\n\t\t\t *  Contains all of the events.\n\t\t\t *  @private\n\t\t\t *  @type  {Object}\n\t\t\t */\n\t        this._events = {};\n\t    };\n\t    Tone.extend(Tone.Emitter);\n\t    /**\n\t\t *  Bind a callback to a specific event.\n\t\t *  @param  {String}    event     The name of the event to listen for.\n\t\t *  @param  {Function}  callback  The callback to invoke when the\n\t\t *                                event is emitted\n\t\t *  @return  {Tone.Emitter}    this\n\t\t */\n\t    Tone.Emitter.prototype.on = function (event, callback) {\n\t        //split the event\n\t        var events = event.split(/\\W+/);\n\t        for (var i = 0; i < events.length; i++) {\n\t            var eventName = events[i];\n\t            if (!this._events.hasOwnProperty(eventName)) {\n\t                this._events[eventName] = [];\n\t            }\n\t            this._events[eventName].push(callback);\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Remove the event listener.\n\t\t *  @param  {String}    event     The event to stop listening to.\n\t\t *  @param  {Function=}  callback  The callback which was bound to \n\t\t *                                the event with Tone.Emitter.on.\n\t\t *                                If no callback is given, all callbacks\n\t\t *                                events are removed.\n\t\t *  @return  {Tone.Emitter}    this\n\t\t */\n\t    Tone.Emitter.prototype.off = function (event, callback) {\n\t        var events = event.split(/\\W+/);\n\t        for (var ev = 0; ev < events.length; ev++) {\n\t            event = events[ev];\n\t            if (this._events.hasOwnProperty(event)) {\n\t                if (Tone.prototype.isUndef(callback)) {\n\t                    this._events[event] = [];\n\t                } else {\n\t                    var eventList = this._events[event];\n\t                    for (var i = 0; i < eventList.length; i++) {\n\t                        if (eventList[i] === callback) {\n\t                            eventList.splice(i, 1);\n\t                        }\n\t                    }\n\t                }\n\t            }\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Invoke all of the callbacks bound to the event\n\t\t *  with any arguments passed in. \n\t\t *  @param  {String}  event  The name of the event.\n\t\t *  @param {*...} args The arguments to pass to the functions listening.\n\t\t *  @return  {Tone.Emitter}  this\n\t\t */\n\t    Tone.Emitter.prototype.emit = function (event) {\n\t        if (this._events) {\n\t            var args = Array.apply(null, arguments).slice(1);\n\t            if (this._events.hasOwnProperty(event)) {\n\t                var eventList = this._events[event];\n\t                for (var i = 0, len = eventList.length; i < len; i++) {\n\t                    eventList[i].apply(this, args);\n\t                }\n\t            }\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Add Emitter functions (on/off/emit) to the object\n\t\t *  @param  {Object|Function}  object  The object or class to extend.\n\t\t */\n\t    Tone.Emitter.mixin = function (object) {\n\t        var functions = [\n\t            'on',\n\t            'off',\n\t            'emit'\n\t        ];\n\t        object._events = {};\n\t        for (var i = 0; i < functions.length; i++) {\n\t            var func = functions[i];\n\t            var emitterFunc = Tone.Emitter.prototype[func];\n\t            object[func] = emitterFunc;\n\t        }\n\t    };\n\t    /**\n\t\t *  Clean up\n\t\t *  @return  {Tone.Emitter}  this\n\t\t */\n\t    Tone.Emitter.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._events = null;\n\t        return this;\n\t    };\n\t    return Tone.Emitter;\n\t});\n\tModule(function (Tone) {\n\t    /**\n\t\t *  shim\n\t\t *  @private\n\t\t */\n\t    if (!window.hasOwnProperty('AudioContext') && window.hasOwnProperty('webkitAudioContext')) {\n\t        window.AudioContext = window.webkitAudioContext;\n\t    }\n\t    /**\n\t\t *  @class Wrapper around the native AudioContext.\n\t\t *  @extends {Tone.Emitter}\n\t\t *  @param {AudioContext=} context optionally pass in a context\n\t\t */\n\t    Tone.Context = function (context) {\n\t        Tone.Emitter.call(this);\n\t        if (!context) {\n\t            context = new window.AudioContext();\n\t        }\n\t        this._context = context;\n\t        // extend all of the methods\n\t        for (var prop in this._context) {\n\t            this._defineProperty(this._context, prop);\n\t        }\n\t        ///////////////////////////////////////////////////////////////////////\n\t        // WORKER\n\t        ///////////////////////////////////////////////////////////////////////\n\t        /**\n\t\t\t *  The default latency hint\n\t\t\t *  @type  {String}\n\t\t\t *  @private\n\t\t\t */\n\t        this._latencyHint = 'interactive';\n\t        /**\n\t\t\t *  The amount of time events are scheduled\n\t\t\t *  into the future\n\t\t\t *  @type  {Number}\n\t\t\t *  @private\n\t\t\t */\n\t        this._lookAhead = 0.1;\n\t        /**\n\t\t\t *  How often the update look runs\n\t\t\t *  @type  {Number}\n\t\t\t *  @private\n\t\t\t */\n\t        this._updateInterval = this._lookAhead / 3;\n\t        /**\n\t\t\t *  A reference to the actual computed update interval\n\t\t\t *  @type  {Number}\n\t\t\t *  @private\n\t\t\t */\n\t        this._computedUpdateInterval = 0;\n\t        /**\n\t\t\t *  The web worker which is used to update Tone.Clock\n\t\t\t *  @private\n\t\t\t *  @type  {WebWorker}\n\t\t\t */\n\t        this._worker = this._createWorker();\n\t        /**\n\t\t\t *  An object containing all of the constants AudioBufferSourceNodes\n\t\t\t *  @type  {Object}\n\t\t\t *  @private\n\t\t\t */\n\t        this._constants = {};\n\t    };\n\t    Tone.extend(Tone.Context, Tone.Emitter);\n\t    Tone.Emitter.mixin(Tone.Context);\n\t    /**\n\t\t *  Define a property on this Tone.Context. \n\t\t *  This is used to extend the native AudioContext\n\t\t *  @param  {AudioContext}  context\n\t\t *  @param  {String}  prop \n\t\t *  @private\n\t\t */\n\t    Tone.Context.prototype._defineProperty = function (context, prop) {\n\t        if (this.isUndef(this[prop])) {\n\t            Object.defineProperty(this, prop, {\n\t                get: function () {\n\t                    if (typeof context[prop] === 'function') {\n\t                        return context[prop].bind(context);\n\t                    } else {\n\t                        return context[prop];\n\t                    }\n\t                },\n\t                set: function (val) {\n\t                    context[prop] = val;\n\t                }\n\t            });\n\t        }\n\t    };\n\t    /**\n\t\t *  The current audio context time\n\t\t *  @return  {Number}\n\t\t */\n\t    Tone.Context.prototype.now = function () {\n\t        return this._context.currentTime;\n\t    };\n\t    /**\n\t\t *  Generate a web worker\n\t\t *  @return  {WebWorker}\n\t\t *  @private\n\t\t */\n\t    Tone.Context.prototype._createWorker = function () {\n\t        //URL Shim\n\t        window.URL = window.URL || window.webkitURL;\n\t        var blob = new Blob([//the initial timeout time\n\t            'var timeoutTime = ' + (this._updateInterval * 1000).toFixed(1) + ';' + //onmessage callback\n\t            'self.onmessage = function(msg){' + '\\ttimeoutTime = parseInt(msg.data);' + '};' + //the tick function which posts a message\n\t            //and schedules a new tick\n\t            'function tick(){' + '\\tsetTimeout(tick, timeoutTime);' + '\\tself.postMessage(\\'tick\\');' + '}' + //call tick initially\n\t            'tick();']);\n\t        var blobUrl = URL.createObjectURL(blob);\n\t        var worker = new Worker(blobUrl);\n\t        worker.addEventListener('message', function () {\n\t            // tick the clock\n\t            this.emit('tick');\n\t        }.bind(this));\n\t        //lag compensation\n\t        worker.addEventListener('message', function () {\n\t            var now = this.now();\n\t            if (this.isNumber(this._lastUpdate)) {\n\t                var diff = now - this._lastUpdate;\n\t                this._computedUpdateInterval = Math.max(diff, this._computedUpdateInterval * 0.97);\n\t            }\n\t            this._lastUpdate = now;\n\t        }.bind(this));\n\t        return worker;\n\t    };\n\t    /**\n\t\t *  Generate a looped buffer at some constant value.\n\t\t *  @param  {Number}  val\n\t\t *  @return  {BufferSourceNode}\n\t\t */\n\t    Tone.Context.prototype.getConstant = function (val) {\n\t        if (this._constants[val]) {\n\t            return this._constants[val];\n\t        } else {\n\t            var buffer = this._context.createBuffer(1, 128, this._context.sampleRate);\n\t            var arr = buffer.getChannelData(0);\n\t            for (var i = 0; i < arr.length; i++) {\n\t                arr[i] = val;\n\t            }\n\t            var constant = this._context.createBufferSource();\n\t            constant.channelCount = 1;\n\t            constant.channelCountMode = 'explicit';\n\t            constant.buffer = buffer;\n\t            constant.loop = true;\n\t            constant.start(0);\n\t            this._constants[val] = constant;\n\t            return constant;\n\t        }\n\t    };\n\t    /**\n\t\t *  This is the time that the clock is falling behind\n\t\t *  the scheduled update interval. The Context automatically\n\t\t *  adjusts for the lag and schedules further in advance.\n\t\t *  @type {Number}\n\t\t *  @memberOf Tone.Context\n\t\t *  @name lag\n\t\t *  @static\n\t\t *  @readOnly\n\t\t */\n\t    Object.defineProperty(Tone.Context.prototype, 'lag', {\n\t        get: function () {\n\t            var diff = this._computedUpdateInterval - this._updateInterval;\n\t            diff = Math.max(diff, 0);\n\t            return diff;\n\t        }\n\t    });\n\t    /**\n\t\t *  The amount of time in advance that events are scheduled.\n\t\t *  The lookAhead will adjust slightly in response to the \n\t\t *  measured update time to try to avoid clicks.\n\t\t *  @type {Number}\n\t\t *  @memberOf Tone.Context\n\t\t *  @name lookAhead\n\t\t *  @static\n\t\t */\n\t    Object.defineProperty(Tone.Context.prototype, 'lookAhead', {\n\t        get: function () {\n\t            return this._lookAhead;\n\t        },\n\t        set: function (lA) {\n\t            this._lookAhead = lA;\n\t        }\n\t    });\n\t    /**\n\t\t *  How often the Web Worker callback is invoked.\n\t\t *  This number corresponds to how responsive the scheduling\n\t\t *  can be. Context.updateInterval + Context.lookAhead gives you the\n\t\t *  total latency between scheduling an event and hearing it.\n\t\t *  @type {Number}\n\t\t *  @memberOf Tone.Context\n\t\t *  @name updateInterval\n\t\t *  @static\n\t\t */\n\t    Object.defineProperty(Tone.Context.prototype, 'updateInterval', {\n\t        get: function () {\n\t            return this._updateInterval;\n\t        },\n\t        set: function (interval) {\n\t            this._updateInterval = Math.max(interval, Tone.prototype.blockTime);\n\t            this._worker.postMessage(Math.max(interval * 1000, 1));\n\t        }\n\t    });\n\t    /**\n\t\t *  The type of playback, which affects tradeoffs between audio \n\t\t *  output latency and responsiveness. \n\t\t *  \n\t\t *  In addition to setting the value in seconds, the latencyHint also\n\t\t *  accepts the strings \"interactive\" (prioritizes low latency), \n\t\t *  \"playback\" (prioritizes sustained playback), \"balanced\" (balances\n\t\t *  latency and performance), and \"fastest\" (lowest latency, might glitch more often). \n\t\t *  @type {String|Seconds}\n\t\t *  @memberOf Tone.Context#\n\t\t *  @name latencyHint\n\t\t *  @static\n\t\t *  @example\n\t\t * //set the lookAhead to 0.3 seconds\n\t\t * Tone.context.latencyHint = 0.3;\n\t\t */\n\t    Object.defineProperty(Tone.Context.prototype, 'latencyHint', {\n\t        get: function () {\n\t            return this._latencyHint;\n\t        },\n\t        set: function (hint) {\n\t            var lookAhead = hint;\n\t            this._latencyHint = hint;\n\t            if (this.isString(hint)) {\n\t                switch (hint) {\n\t                case 'interactive':\n\t                    lookAhead = 0.1;\n\t                    this._context.latencyHint = hint;\n\t                    break;\n\t                case 'playback':\n\t                    lookAhead = 0.8;\n\t                    this._context.latencyHint = hint;\n\t                    break;\n\t                case 'balanced':\n\t                    lookAhead = 0.25;\n\t                    this._context.latencyHint = hint;\n\t                    break;\n\t                case 'fastest':\n\t                    lookAhead = 0.01;\n\t                    break;\n\t                }\n\t            }\n\t            this.lookAhead = lookAhead;\n\t            this.updateInterval = lookAhead / 3;\n\t        }\n\t    });\n\t    /**\n\t\t *  Shim all connect/disconnect and some deprecated methods which are still in\n\t\t *  some older implementations.\n\t\t *  @private\n\t\t */\n\t    function shimConnect() {\n\t        var nativeConnect = AudioNode.prototype.connect;\n\t        var nativeDisconnect = AudioNode.prototype.disconnect;\n\t        //replace the old connect method\n\t        function toneConnect(B, outNum, inNum) {\n\t            if (B.input) {\n\t                if (Array.isArray(B.input)) {\n\t                    if (Tone.prototype.isUndef(inNum)) {\n\t                        inNum = 0;\n\t                    }\n\t                    this.connect(B.input[inNum]);\n\t                } else {\n\t                    this.connect(B.input, outNum, inNum);\n\t                }\n\t            } else {\n\t                try {\n\t                    if (B instanceof AudioNode) {\n\t                        nativeConnect.call(this, B, outNum, inNum);\n\t                    } else {\n\t                        nativeConnect.call(this, B, outNum);\n\t                    }\n\t                } catch (e) {\n\t                    throw new Error('error connecting to node: ' + B + '\\n' + e);\n\t                }\n\t            }\n\t        }\n\t        //replace the old disconnect method\n\t        function toneDisconnect(B, outNum, inNum) {\n\t            if (B && B.input && Array.isArray(B.input)) {\n\t                if (Tone.prototype.isUndef(inNum)) {\n\t                    inNum = 0;\n\t                }\n\t                this.disconnect(B.input[inNum], outNum, inNum);\n\t            } else if (B && B.input) {\n\t                this.disconnect(B.input, outNum, inNum);\n\t            } else {\n\t                try {\n\t                    nativeDisconnect.apply(this, arguments);\n\t                } catch (e) {\n\t                    throw new Error('error disconnecting node: ' + B + '\\n' + e);\n\t                }\n\t            }\n\t        }\n\t        if (AudioNode.prototype.connect !== toneConnect) {\n\t            AudioNode.prototype.connect = toneConnect;\n\t            AudioNode.prototype.disconnect = toneDisconnect;\n\t        }\n\t    }\n\t    // set the audio context initially\n\t    if (Tone.supported) {\n\t        shimConnect();\n\t        Tone.context = new Tone.Context();\n\t    } else {\n\t        console.warn('This browser does not support Tone.js');\n\t    }\n\t    return Tone.Context;\n\t});\n\tModule(function (Tone) {\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    //\tTYPES\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    /**\n\t\t * Units which a value can take on.\n\t\t * @enum {String}\n\t\t */\n\t    Tone.Type = {\n\t        /** \n\t\t\t *  Default units\n\t\t\t *  @typedef {Default}\n\t\t\t */\n\t        Default: 'number',\n\t        /**\n\t\t\t *  Time can be described in a number of ways. Read more [Time](https://github.com/Tonejs/Tone.js/wiki/Time).\n\t\t\t *\n\t\t\t *  <ul>\n\t\t\t *  <li>Numbers, which will be taken literally as the time (in seconds).</li>\n\t\t\t *  <li>Notation, (\"4n\", \"8t\") describes time in BPM and time signature relative values.</li>\n\t\t\t *  <li>TransportTime, (\"4:3:2\") will also provide tempo and time signature relative times \n\t\t\t *  in the form BARS:QUARTERS:SIXTEENTHS.</li>\n\t\t\t *  <li>Frequency, (\"8hz\") is converted to the length of the cycle in seconds.</li>\n\t\t\t *  <li>Now-Relative, (\"+1\") prefix any of the above with \"+\" and it will be interpreted as \n\t\t\t *  \"the current time plus whatever expression follows\".</li>\n\t\t\t *  <li>Expressions, (\"3:0 + 2 - (1m / 7)\") any of the above can also be combined \n\t\t\t *  into a mathematical expression which will be evaluated to compute the desired time.</li>\n\t\t\t *  <li>No Argument, for methods which accept time, no argument will be interpreted as \n\t\t\t *  \"now\" (i.e. the currentTime).</li>\n\t\t\t *  </ul>\n\t\t\t *  \n\t\t\t *  @typedef {Time}\n\t\t\t */\n\t        Time: 'time',\n\t        /**\n\t\t\t *  Frequency can be described similar to time, except ultimately the\n\t\t\t *  values are converted to frequency instead of seconds. A number\n\t\t\t *  is taken literally as the value in hertz. Additionally any of the \n\t\t\t *  Time encodings can be used. Note names in the form\n\t\t\t *  of NOTE OCTAVE (i.e. C4) are also accepted and converted to their\n\t\t\t *  frequency value. \n\t\t\t *  @typedef {Frequency}\n\t\t\t */\n\t        Frequency: 'frequency',\n\t        /**\n\t\t\t *  TransportTime describes a position along the Transport's timeline. It is\n\t\t\t *  similar to Time in that it uses all the same encodings, but TransportTime specifically\n\t\t\t *  pertains to the Transport's timeline, which is startable, stoppable, loopable, and seekable. \n\t\t\t *  [Read more](https://github.com/Tonejs/Tone.js/wiki/TransportTime)\n\t\t\t *  @typedef {TransportTime}\n\t\t\t */\n\t        TransportTime: 'transportTime',\n\t        /** \n\t\t\t *  Ticks are the basic subunit of the Transport. They are\n\t\t\t *  the smallest unit of time that the Transport supports.\n\t\t\t *  @typedef {Ticks}\n\t\t\t */\n\t        Ticks: 'ticks',\n\t        /** \n\t\t\t *  Normal values are within the range [0, 1].\n\t\t\t *  @typedef {NormalRange}\n\t\t\t */\n\t        NormalRange: 'normalRange',\n\t        /** \n\t\t\t *  AudioRange values are between [-1, 1].\n\t\t\t *  @typedef {AudioRange}\n\t\t\t */\n\t        AudioRange: 'audioRange',\n\t        /** \n\t\t\t *  Decibels are a logarithmic unit of measurement which is useful for volume\n\t\t\t *  because of the logarithmic way that we perceive loudness. 0 decibels \n\t\t\t *  means no change in volume. -10db is approximately half as loud and 10db \n\t\t\t *  is twice is loud. \n\t\t\t *  @typedef {Decibels}\n\t\t\t */\n\t        Decibels: 'db',\n\t        /** \n\t\t\t *  Half-step note increments, i.e. 12 is an octave above the root. and 1 is a half-step up.\n\t\t\t *  @typedef {Interval}\n\t\t\t */\n\t        Interval: 'interval',\n\t        /** \n\t\t\t *  Beats per minute. \n\t\t\t *  @typedef {BPM}\n\t\t\t */\n\t        BPM: 'bpm',\n\t        /** \n\t\t\t *  The value must be greater than or equal to 0.\n\t\t\t *  @typedef {Positive}\n\t\t\t */\n\t        Positive: 'positive',\n\t        /** \n\t\t\t *  A cent is a hundredth of a semitone. \n\t\t\t *  @typedef {Cents}\n\t\t\t */\n\t        Cents: 'cents',\n\t        /** \n\t\t\t *  Angle between 0 and 360. \n\t\t\t *  @typedef {Degrees}\n\t\t\t */\n\t        Degrees: 'degrees',\n\t        /** \n\t\t\t *  A number representing a midi note.\n\t\t\t *  @typedef {MIDI}\n\t\t\t */\n\t        MIDI: 'midi',\n\t        /** \n\t\t\t *  A colon-separated representation of time in the form of\n\t\t\t *  Bars:Beats:Sixteenths. \n\t\t\t *  @typedef {BarsBeatsSixteenths}\n\t\t\t */\n\t        BarsBeatsSixteenths: 'barsBeatsSixteenths',\n\t        /** \n\t\t\t *  Sampling is the reduction of a continuous signal to a discrete signal.\n\t\t\t *  Audio is typically sampled 44100 times per second. \n\t\t\t *  @typedef {Samples}\n\t\t\t */\n\t        Samples: 'samples',\n\t        /** \n\t\t\t *  Hertz are a frequency representation defined as one cycle per second.\n\t\t\t *  @typedef {Hertz}\n\t\t\t */\n\t        Hertz: 'hertz',\n\t        /** \n\t\t\t *  A frequency represented by a letter name, \n\t\t\t *  accidental and octave. This system is known as\n\t\t\t *  [Scientific Pitch Notation](https://en.wikipedia.org/wiki/Scientific_pitch_notation).\n\t\t\t *  @typedef {Note}\n\t\t\t */\n\t        Note: 'note',\n\t        /** \n\t\t\t *  One millisecond is a thousandth of a second. \n\t\t\t *  @typedef {Milliseconds}\n\t\t\t */\n\t        Milliseconds: 'milliseconds',\n\t        /** \n\t\t\t *  Seconds are the time unit of the AudioContext. In the end, \n\t\t\t *  all values need to be evaluated to seconds. \n\t\t\t *  @typedef {Seconds}\n\t\t\t */\n\t        Seconds: 'seconds',\n\t        /** \n\t\t\t *  A string representing a duration relative to a measure. \n\t\t\t *  <ul>\n\t\t\t *  \t<li>\"4n\" = quarter note</li>\n\t\t\t *   \t<li>\"2m\" = two measures</li>\n\t\t\t *    \t<li>\"8t\" = eighth-note triplet</li>\n\t\t\t *  </ul>\n\t\t\t *  @typedef {Notation}\n\t\t\t */\n\t        Notation: 'notation'\n\t    };\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    // AUGMENT TONE's PROTOTYPE\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    /**\n\t\t *  Convert Time into seconds.\n\t\t *  \n\t\t *  Unlike the method which it overrides, this takes into account \n\t\t *  transporttime and musical notation.\n\t\t *\n\t\t *  Time : 1.40\n\t\t *  Notation: 4n|1m|2t\n\t\t *  Now Relative: +3n\n\t\t *  Math: 3n+16n or even complicated expressions ((3n*2)/6 + 1)\n\t\t *\n\t\t *  @param  {Time} time \n\t\t *  @return {Seconds} \n\t\t */\n\t    Tone.prototype.toSeconds = function (time) {\n\t        if (this.isNumber(time)) {\n\t            return time;\n\t        } else if (this.isUndef(time)) {\n\t            return this.now();\n\t        } else if (this.isString(time)) {\n\t            return new Tone.Time(time).toSeconds();\n\t        } else if (time instanceof Tone.TimeBase) {\n\t            return time.toSeconds();\n\t        }\n\t    };\n\t    /**\n\t\t *  Convert a frequency representation into a number.\n\t\t *  @param  {Frequency} freq \n\t\t *  @return {Hertz}      the frequency in hertz\n\t\t */\n\t    Tone.prototype.toFrequency = function (freq) {\n\t        if (this.isNumber(freq)) {\n\t            return freq;\n\t        } else if (this.isString(freq) || this.isUndef(freq)) {\n\t            return new Tone.Frequency(freq).valueOf();\n\t        } else if (freq instanceof Tone.TimeBase) {\n\t            return freq.toFrequency();\n\t        }\n\t    };\n\t    /**\n\t\t *  Convert a time representation into ticks.\n\t\t *  @param  {Time} time\n\t\t *  @return {Ticks}  the time in ticks\n\t\t */\n\t    Tone.prototype.toTicks = function (time) {\n\t        if (this.isNumber(time) || this.isString(time)) {\n\t            return new Tone.TransportTime(time).toTicks();\n\t        } else if (this.isUndef(time)) {\n\t            return Tone.Transport.ticks;\n\t        } else if (time instanceof Tone.TimeBase) {\n\t            return time.toTicks();\n\t        }\n\t    };\n\t    return Tone;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Tone.Param wraps the native Web Audio's AudioParam to provide\n\t\t *         additional unit conversion functionality. It also\n\t\t *         serves as a base-class for classes which have a single,\n\t\t *         automatable parameter. \n\t\t *  @extends {Tone}\n\t\t *  @param  {AudioParam}  param  The parameter to wrap.\n\t\t *  @param  {Tone.Type} units The units of the audio param.\n\t\t *  @param  {Boolean} convert If the param should be converted.\n\t\t */\n\t    Tone.Param = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'param',\n\t            'units',\n\t            'convert'\n\t        ], Tone.Param.defaults);\n\t        /**\n\t\t\t *  The native parameter to control\n\t\t\t *  @type  {AudioParam}\n\t\t\t *  @private\n\t\t\t */\n\t        this._param = this.input = options.param;\n\t        /**\n\t\t\t *  The units of the parameter\n\t\t\t *  @type {Tone.Type}\n\t\t\t */\n\t        this.units = options.units;\n\t        /**\n\t\t\t *  If the value should be converted or not\n\t\t\t *  @type {Boolean}\n\t\t\t */\n\t        this.convert = options.convert;\n\t        /**\n\t\t\t *  True if the signal value is being overridden by \n\t\t\t *  a connected signal.\n\t\t\t *  @readOnly\n\t\t\t *  @type  {boolean}\n\t\t\t *  @private\n\t\t\t */\n\t        this.overridden = false;\n\t        /**\n\t\t\t *  If there is an LFO, this is where it is held.\n\t\t\t *  @type  {Tone.LFO}\n\t\t\t *  @private\n\t\t\t */\n\t        this._lfo = null;\n\t        if (this.isObject(options.lfo)) {\n\t            this.value = options.lfo;\n\t        } else if (!this.isUndef(options.value)) {\n\t            this.value = options.value;\n\t        }\n\t    };\n\t    Tone.extend(Tone.Param);\n\t    /**\n\t\t *  Defaults\n\t\t *  @type  {Object}\n\t\t *  @const\n\t\t */\n\t    Tone.Param.defaults = {\n\t        'units': Tone.Type.Default,\n\t        'convert': true,\n\t        'param': undefined\n\t    };\n\t    /**\n\t\t * The current value of the parameter. \n\t\t * @memberOf Tone.Param#\n\t\t * @type {Number}\n\t\t * @name value\n\t\t */\n\t    Object.defineProperty(Tone.Param.prototype, 'value', {\n\t        get: function () {\n\t            return this._toUnits(this._param.value);\n\t        },\n\t        set: function (value) {\n\t            if (this.isObject(value)) {\n\t                //throw an error if the LFO needs to be included\n\t                if (this.isUndef(Tone.LFO)) {\n\t                    throw new Error('Include \\'Tone.LFO\\' to use an LFO as a Param value.');\n\t                }\n\t                //remove the old one\n\t                if (this._lfo) {\n\t                    this._lfo.dispose();\n\t                }\n\t                this._lfo = new Tone.LFO(value).start();\n\t                this._lfo.connect(this.input);\n\t            } else {\n\t                var convertedVal = this._fromUnits(value);\n\t                this._param.cancelScheduledValues(0);\n\t                this._param.value = convertedVal;\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t *  Convert the given value from the type specified by Tone.Param.units\n\t\t *  into the destination value (such as Gain or Frequency).\n\t\t *  @private\n\t\t *  @param  {*} val the value to convert\n\t\t *  @return {number}     the number which the value should be set to\n\t\t */\n\t    Tone.Param.prototype._fromUnits = function (val) {\n\t        if (this.convert || this.isUndef(this.convert)) {\n\t            switch (this.units) {\n\t            case Tone.Type.Time:\n\t                return this.toSeconds(val);\n\t            case Tone.Type.Frequency:\n\t                return this.toFrequency(val);\n\t            case Tone.Type.Decibels:\n\t                return this.dbToGain(val);\n\t            case Tone.Type.NormalRange:\n\t                return Math.min(Math.max(val, 0), 1);\n\t            case Tone.Type.AudioRange:\n\t                return Math.min(Math.max(val, -1), 1);\n\t            case Tone.Type.Positive:\n\t                return Math.max(val, 0);\n\t            default:\n\t                return val;\n\t            }\n\t        } else {\n\t            return val;\n\t        }\n\t    };\n\t    /**\n\t\t * Convert the parameters value into the units specified by Tone.Param.units.\n\t\t * @private\n\t\t * @param  {number} val the value to convert\n\t\t * @return {number}\n\t\t */\n\t    Tone.Param.prototype._toUnits = function (val) {\n\t        if (this.convert || this.isUndef(this.convert)) {\n\t            switch (this.units) {\n\t            case Tone.Type.Decibels:\n\t                return this.gainToDb(val);\n\t            default:\n\t                return val;\n\t            }\n\t        } else {\n\t            return val;\n\t        }\n\t    };\n\t    /**\n\t\t *  the minimum output value\n\t\t *  @type {Number}\n\t\t *  @private\n\t\t */\n\t    Tone.Param.prototype._minOutput = 0.00001;\n\t    /**\n\t\t *  Schedules a parameter value change at the given time.\n\t\t *  @param {*}\tvalue The value to set the signal.\n\t\t *  @param {Time}  time The time when the change should occur.\n\t\t *  @returns {Tone.Param} this\n\t\t *  @example\n\t\t * //set the frequency to \"G4\" in exactly 1 second from now. \n\t\t * freq.setValueAtTime(\"G4\", \"+1\");\n\t\t */\n\t    Tone.Param.prototype.setValueAtTime = function (value, time) {\n\t        value = this._fromUnits(value);\n\t        time = this.toSeconds(time);\n\t        if (time <= this.now() + this.blockTime) {\n\t            this._param.value = value;\n\t        } else {\n\t            this._param.setValueAtTime(value, time);\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Creates a schedule point with the current value at the current time.\n\t\t *  This is useful for creating an automation anchor point in order to \n\t\t *  schedule changes from the current value. \n\t\t *\n\t\t *  @param {number=} now (Optionally) pass the now value in. \n\t\t *  @returns {Tone.Param} this\n\t\t */\n\t    Tone.Param.prototype.setRampPoint = function (now) {\n\t        now = this.defaultArg(now, this.now());\n\t        var currentVal = this._param.value;\n\t        // exponentialRampToValueAt cannot ever ramp from or to 0\n\t        // More info: https://bugzilla.mozilla.org/show_bug.cgi?id=1125600#c2\n\t        if (currentVal === 0) {\n\t            currentVal = this._minOutput;\n\t        }\n\t        this._param.setValueAtTime(currentVal, now);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Schedules a linear continuous change in parameter value from the \n\t\t *  previous scheduled parameter value to the given value.\n\t\t *  \n\t\t *  @param  {number} value   \n\t\t *  @param  {Time} endTime \n\t\t *  @returns {Tone.Param} this\n\t\t */\n\t    Tone.Param.prototype.linearRampToValueAtTime = function (value, endTime) {\n\t        value = this._fromUnits(value);\n\t        this._param.linearRampToValueAtTime(value, this.toSeconds(endTime));\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Schedules an exponential continuous change in parameter value from \n\t\t *  the previous scheduled parameter value to the given value.\n\t\t *  \n\t\t *  @param  {number} value   \n\t\t *  @param  {Time} endTime \n\t\t *  @returns {Tone.Param} this\n\t\t */\n\t    Tone.Param.prototype.exponentialRampToValueAtTime = function (value, endTime) {\n\t        value = this._fromUnits(value);\n\t        value = Math.max(this._minOutput, value);\n\t        this._param.exponentialRampToValueAtTime(value, this.toSeconds(endTime));\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Schedules an exponential continuous change in parameter value from \n\t\t *  the current time and current value to the given value over the \n\t\t *  duration of the rampTime.\n\t\t *  \n\t\t *  @param  {number} value   The value to ramp to.\n\t\t *  @param  {Time} rampTime the time that it takes the \n\t\t *                               value to ramp from it's current value\n\t\t *  @param {Time}\t[startTime=now] \tWhen the ramp should start. \n\t\t *  @returns {Tone.Param} this\n\t\t *  @example\n\t\t * //exponentially ramp to the value 2 over 4 seconds. \n\t\t * signal.exponentialRampToValue(2, 4);\n\t\t */\n\t    Tone.Param.prototype.exponentialRampToValue = function (value, rampTime, startTime) {\n\t        startTime = this.toSeconds(startTime);\n\t        this.setRampPoint(startTime);\n\t        this.exponentialRampToValueAtTime(value, startTime + this.toSeconds(rampTime));\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Schedules an linear continuous change in parameter value from \n\t\t *  the current time and current value to the given value over the \n\t\t *  duration of the rampTime.\n\t\t *  \n\t\t *  @param  {number} value   The value to ramp to.\n\t\t *  @param  {Time} rampTime the time that it takes the \n\t\t *                               value to ramp from it's current value\n\t\t *  @param {Time}\t[startTime=now] \tWhen the ramp should start. \n\t\t *  @returns {Tone.Param} this\n\t\t *  @example\n\t\t * //linearly ramp to the value 4 over 3 seconds. \n\t\t * signal.linearRampToValue(4, 3);\n\t\t */\n\t    Tone.Param.prototype.linearRampToValue = function (value, rampTime, startTime) {\n\t        startTime = this.toSeconds(startTime);\n\t        this.setRampPoint(startTime);\n\t        this.linearRampToValueAtTime(value, startTime + this.toSeconds(rampTime));\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Start exponentially approaching the target value at the given time with\n\t\t *  a rate having the given time constant.\n\t\t *  @param {number} value        \n\t\t *  @param {Time} startTime    \n\t\t *  @param {number} timeConstant \n\t\t *  @returns {Tone.Param} this \n\t\t */\n\t    Tone.Param.prototype.setTargetAtTime = function (value, startTime, timeConstant) {\n\t        value = this._fromUnits(value);\n\t        // The value will never be able to approach without timeConstant > 0.\n\t        // http://www.w3.org/TR/webaudio/#dfn-setTargetAtTime, where the equation\n\t        // is described. 0 results in a division by 0.\n\t        value = Math.max(this._minOutput, value);\n\t        timeConstant = Math.max(this._minOutput, timeConstant);\n\t        this._param.setTargetAtTime(value, this.toSeconds(startTime), timeConstant);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Sets an array of arbitrary parameter values starting at the given time\n\t\t *  for the given duration.\n\t\t *  \t\n\t\t *  @param {Array} values    \n\t\t *  @param {Time} startTime \n\t\t *  @param {Time} duration  \n\t\t *  @returns {Tone.Param} this\n\t\t */\n\t    Tone.Param.prototype.setValueCurveAtTime = function (values, startTime, duration) {\n\t        for (var i = 0; i < values.length; i++) {\n\t            values[i] = this._fromUnits(values[i]);\n\t        }\n\t        this._param.setValueCurveAtTime(values, this.toSeconds(startTime), this.toSeconds(duration));\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Cancels all scheduled parameter changes with times greater than or \n\t\t *  equal to startTime.\n\t\t *  \n\t\t *  @param  {Time} startTime\n\t\t *  @returns {Tone.Param} this\n\t\t */\n\t    Tone.Param.prototype.cancelScheduledValues = function (startTime) {\n\t        this._param.cancelScheduledValues(this.toSeconds(startTime));\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Ramps to the given value over the duration of the rampTime. \n\t\t *  Automatically selects the best ramp type (exponential or linear)\n\t\t *  depending on the `units` of the signal\n\t\t *  \n\t\t *  @param  {number} value   \n\t\t *  @param  {Time} rampTime \tThe time that it takes the \n\t\t *                              value to ramp from it's current value\n\t\t *  @param {Time}\t[startTime=now] \tWhen the ramp should start. \n\t\t *  @returns {Tone.Param} this\n\t\t *  @example\n\t\t * //ramp to the value either linearly or exponentially \n\t\t * //depending on the \"units\" value of the signal\n\t\t * signal.rampTo(0, 10);\n\t\t *  @example\n\t\t * //schedule it to ramp starting at a specific time\n\t\t * signal.rampTo(0, 10, 5)\n\t\t */\n\t    Tone.Param.prototype.rampTo = function (value, rampTime, startTime) {\n\t        rampTime = this.defaultArg(rampTime, 0);\n\t        if (this.units === Tone.Type.Frequency || this.units === Tone.Type.BPM || this.units === Tone.Type.Decibels) {\n\t            this.exponentialRampToValue(value, rampTime, startTime);\n\t        } else {\n\t            this.linearRampToValue(value, rampTime, startTime);\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  The LFO created by the signal instance. If none\n\t\t *  was created, this is null.\n\t\t *  @type {Tone.LFO}\n\t\t *  @readOnly\n\t\t *  @memberOf Tone.Param#\n\t\t *  @name lfo\n\t\t */\n\t    Object.defineProperty(Tone.Param.prototype, 'lfo', {\n\t        get: function () {\n\t            return this._lfo;\n\t        }\n\t    });\n\t    /**\n\t\t *  Clean up\n\t\t *  @returns {Tone.Param} this\n\t\t */\n\t    Tone.Param.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._param = null;\n\t        if (this._lfo) {\n\t            this._lfo.dispose();\n\t            this._lfo = null;\n\t        }\n\t        return this;\n\t    };\n\t    return Tone.Param;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  createGain shim\n\t\t *  @private\n\t\t */\n\t    if (window.GainNode && !AudioContext.prototype.createGain) {\n\t        AudioContext.prototype.createGain = AudioContext.prototype.createGainNode;\n\t    }\n\t    /**\n\t\t *  @class A thin wrapper around the Native Web Audio GainNode.\n\t\t *         The GainNode is a basic building block of the Web Audio\n\t\t *         API and is useful for routing audio and adjusting gains. \n\t\t *  @extends {Tone}\n\t\t *  @param  {Number=}  gain  The initial gain of the GainNode\n\t\t *  @param {Tone.Type=} units The units of the gain parameter. \n\t\t */\n\t    Tone.Gain = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'gain',\n\t            'units'\n\t        ], Tone.Gain.defaults);\n\t        /**\n\t\t\t *  The GainNode\n\t\t\t *  @type  {GainNode}\n\t\t\t *  @private\n\t\t\t */\n\t        this.input = this.output = this._gainNode = this.context.createGain();\n\t        /**\n\t\t\t *  The gain parameter of the gain node.\n\t\t\t *  @type {Tone.Param}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.gain = new Tone.Param({\n\t            'param': this._gainNode.gain,\n\t            'units': options.units,\n\t            'value': options.gain,\n\t            'convert': options.convert\n\t        });\n\t        this._readOnly('gain');\n\t    };\n\t    Tone.extend(Tone.Gain);\n\t    /**\n\t\t *  The defaults\n\t\t *  @const\n\t\t *  @type  {Object}\n\t\t */\n\t    Tone.Gain.defaults = {\n\t        'gain': 1,\n\t        'convert': true\n\t    };\n\t    /**\n\t\t *  Clean up.\n\t\t *  @return  {Tone.Gain}  this\n\t\t */\n\t    Tone.Gain.prototype.dispose = function () {\n\t        Tone.Param.prototype.dispose.call(this);\n\t        this._gainNode.disconnect();\n\t        this._gainNode = null;\n\t        this._writable('gain');\n\t        this.gain.dispose();\n\t        this.gain = null;\n\t    };\n\t    //STATIC///////////////////////////////////////////////////////////////////\n\t    /**\n\t\t *  Create input and outputs for this object.\n\t\t *  @param  {Number}  input   The number of inputs\n\t\t *  @param  {Number=}  outputs  The number of outputs\n\t\t *  @return  {Tone}  this\n\t\t *  @internal\n\t\t */\n\t    Tone.prototype.createInsOuts = function (inputs, outputs) {\n\t        if (inputs === 1) {\n\t            this.input = new Tone.Gain();\n\t        } else if (inputs > 1) {\n\t            this.input = new Array(inputs);\n\t        }\n\t        if (outputs === 1) {\n\t            this.output = new Tone.Gain();\n\t        } else if (outputs > 1) {\n\t            this.output = new Array(inputs);\n\t        }\n\t    };\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    return Tone.Gain;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  A signal is an audio-rate value. Tone.Signal is a core component of the library.\n\t\t *          Unlike a number, Signals can be scheduled with sample-level accuracy. Tone.Signal\n\t\t *          has all of the methods available to native Web Audio \n\t\t *          [AudioParam](http://webaudio.github.io/web-audio-api/#the-audioparam-interface)\n\t\t *          as well as additional conveniences. Read more about working with signals \n\t\t *          [here](https://github.com/Tonejs/Tone.js/wiki/Signals).\n\t\t *\n\t\t *  @constructor\n\t\t *  @extends {Tone.Param}\n\t\t *  @param {Number|AudioParam} [value] Initial value of the signal. If an AudioParam\n\t\t *                                     is passed in, that parameter will be wrapped\n\t\t *                                     and controlled by the Signal. \n\t\t *  @param {string} [units=Number] unit The units the signal is in. \n\t\t *  @example\n\t\t * var signal = new Tone.Signal(10);\n\t\t */\n\t    Tone.Signal = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'value',\n\t            'units'\n\t        ], Tone.Signal.defaults);\n\t        /**\n\t\t\t * The node where the constant signal value is scaled.\n\t\t\t * @type {GainNode}\n\t\t\t * @private\n\t\t\t */\n\t        this.output = this._gain = this.context.createGain();\n\t        options.param = this._gain.gain;\n\t        Tone.Param.call(this, options);\n\t        /**\n\t\t\t * The node where the value is set.\n\t\t\t * @type {Tone.Param}\n\t\t\t * @private\n\t\t\t */\n\t        this.input = this._param = this._gain.gain;\n\t        //connect the const output to the node output\n\t        this.context.getConstant(1).chain(this._gain);\n\t    };\n\t    Tone.extend(Tone.Signal, Tone.Param);\n\t    /**\n\t\t *  The default values\n\t\t *  @type  {Object}\n\t\t *  @static\n\t\t *  @const\n\t\t */\n\t    Tone.Signal.defaults = {\n\t        'value': 0,\n\t        'units': Tone.Type.Default,\n\t        'convert': true\n\t    };\n\t    /**\n\t\t *  When signals connect to other signals or AudioParams, \n\t\t *  they take over the output value of that signal or AudioParam. \n\t\t *  For all other nodes, the behavior is the same as a default <code>connect</code>. \n\t\t *\n\t\t *  @override\n\t\t *  @param {AudioParam|AudioNode|Tone.Signal|Tone} node \n\t\t *  @param {number} [outputNumber=0] The output number to connect from.\n\t\t *  @param {number} [inputNumber=0] The input number to connect to.\n\t\t *  @returns {Tone.SignalBase} this\n\t\t *  @method\n\t\t */\n\t    Tone.Signal.prototype.connect = Tone.SignalBase.prototype.connect;\n\t    /**\n\t\t *  dispose and disconnect\n\t\t *  @returns {Tone.Signal} this\n\t\t */\n\t    Tone.Signal.prototype.dispose = function () {\n\t        Tone.Param.prototype.dispose.call(this);\n\t        this._param = null;\n\t        this._gain.disconnect();\n\t        this._gain = null;\n\t        return this;\n\t    };\n\t    return Tone.Signal;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class A Timeline class for scheduling and maintaining state\n\t\t *         along a timeline. All events must have a \"time\" property. \n\t\t *         Internally, events are stored in time order for fast \n\t\t *         retrieval.\n\t\t *  @extends {Tone}\n\t\t *  @param {Positive} [memory=Infinity] The number of previous events that are retained.\n\t\t */\n\t    Tone.Timeline = function () {\n\t        var options = this.optionsObject(arguments, ['memory'], Tone.Timeline.defaults);\n\t        /**\n\t\t\t *  The array of scheduled timeline events\n\t\t\t *  @type  {Array}\n\t\t\t *  @private\n\t\t\t */\n\t        this._timeline = [];\n\t        /**\n\t\t\t *  An array of items to remove from the list. \n\t\t\t *  @type {Array}\n\t\t\t *  @private\n\t\t\t */\n\t        this._toRemove = [];\n\t        /**\n\t\t\t *  Flag if the tieline is mid iteration\n\t\t\t *  @private\n\t\t\t *  @type {Boolean}\n\t\t\t */\n\t        this._iterating = false;\n\t        /**\n\t\t\t *  The memory of the timeline, i.e.\n\t\t\t *  how many events in the past it will retain\n\t\t\t *  @type {Positive}\n\t\t\t */\n\t        this.memory = options.memory;\n\t    };\n\t    Tone.extend(Tone.Timeline);\n\t    /**\n\t\t *  the default parameters\n\t\t *  @static\n\t\t *  @const\n\t\t */\n\t    Tone.Timeline.defaults = { 'memory': Infinity };\n\t    /**\n\t\t *  The number of items in the timeline.\n\t\t *  @type {Number}\n\t\t *  @memberOf Tone.Timeline#\n\t\t *  @name length\n\t\t *  @readOnly\n\t\t */\n\t    Object.defineProperty(Tone.Timeline.prototype, 'length', {\n\t        get: function () {\n\t            return this._timeline.length;\n\t        }\n\t    });\n\t    /**\n\t\t *  Insert an event object onto the timeline. Events must have a \"time\" attribute.\n\t\t *  @param  {Object}  event  The event object to insert into the \n\t\t *                           timeline. \n\t\t *  @returns {Tone.Timeline} this\n\t\t */\n\t    Tone.Timeline.prototype.add = function (event) {\n\t        //the event needs to have a time attribute\n\t        if (this.isUndef(event.time)) {\n\t            throw new Error('Tone.Timeline: events must have a time attribute');\n\t        }\n\t        if (this._timeline.length) {\n\t            var index = this._search(event.time);\n\t            this._timeline.splice(index + 1, 0, event);\n\t        } else {\n\t            this._timeline.push(event);\n\t        }\n\t        //if the length is more than the memory, remove the previous ones\n\t        if (this.length > this.memory) {\n\t            var diff = this.length - this.memory;\n\t            this._timeline.splice(0, diff);\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Remove an event from the timeline.\n\t\t *  @param  {Object}  event  The event object to remove from the list.\n\t\t *  @returns {Tone.Timeline} this\n\t\t */\n\t    Tone.Timeline.prototype.remove = function (event) {\n\t        if (this._iterating) {\n\t            this._toRemove.push(event);\n\t        } else {\n\t            var index = this._timeline.indexOf(event);\n\t            if (index !== -1) {\n\t                this._timeline.splice(index, 1);\n\t            }\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Get the nearest event whose time is less than or equal to the given time.\n\t\t *  @param  {Number}  time  The time to query.\n\t\t *  @returns {Object} The event object set after that time.\n\t\t */\n\t    Tone.Timeline.prototype.get = function (time) {\n\t        var index = this._search(time);\n\t        if (index !== -1) {\n\t            return this._timeline[index];\n\t        } else {\n\t            return null;\n\t        }\n\t    };\n\t    /**\n\t\t *  Return the first event in the timeline without removing it\n\t\t *  @returns {Object} The first event object\n\t\t */\n\t    Tone.Timeline.prototype.peek = function () {\n\t        return this._timeline[0];\n\t    };\n\t    /**\n\t\t *  Return the first event in the timeline and remove it\n\t\t *  @returns {Object} The first event object\n\t\t */\n\t    Tone.Timeline.prototype.shift = function () {\n\t        return this._timeline.shift();\n\t    };\n\t    /**\n\t\t *  Get the event which is scheduled after the given time.\n\t\t *  @param  {Number}  time  The time to query.\n\t\t *  @returns {Object} The event object after the given time\n\t\t */\n\t    Tone.Timeline.prototype.getAfter = function (time) {\n\t        var index = this._search(time);\n\t        if (index + 1 < this._timeline.length) {\n\t            return this._timeline[index + 1];\n\t        } else {\n\t            return null;\n\t        }\n\t    };\n\t    /**\n\t\t *  Get the event before the event at the given time.\n\t\t *  @param  {Number}  time  The time to query.\n\t\t *  @returns {Object} The event object before the given time\n\t\t */\n\t    Tone.Timeline.prototype.getBefore = function (time) {\n\t        var len = this._timeline.length;\n\t        //if it's after the last item, return the last item\n\t        if (len > 0 && this._timeline[len - 1].time < time) {\n\t            return this._timeline[len - 1];\n\t        }\n\t        var index = this._search(time);\n\t        if (index - 1 >= 0) {\n\t            return this._timeline[index - 1];\n\t        } else {\n\t            return null;\n\t        }\n\t    };\n\t    /**\n\t\t *  Cancel events after the given time\n\t\t *  @param  {Number}  time  The time to query.\n\t\t *  @returns {Tone.Timeline} this\n\t\t */\n\t    Tone.Timeline.prototype.cancel = function (after) {\n\t        if (this._timeline.length > 1) {\n\t            var index = this._search(after);\n\t            if (index >= 0) {\n\t                if (this._timeline[index].time === after) {\n\t                    //get the first item with that time\n\t                    for (var i = index; i >= 0; i--) {\n\t                        if (this._timeline[i].time === after) {\n\t                            index = i;\n\t                        } else {\n\t                            break;\n\t                        }\n\t                    }\n\t                    this._timeline = this._timeline.slice(0, index);\n\t                } else {\n\t                    this._timeline = this._timeline.slice(0, index + 1);\n\t                }\n\t            } else {\n\t                this._timeline = [];\n\t            }\n\t        } else if (this._timeline.length === 1) {\n\t            //the first item's time\n\t            if (this._timeline[0].time >= after) {\n\t                this._timeline = [];\n\t            }\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Cancel events before or equal to the given time.\n\t\t *  @param  {Number}  time  The time to cancel before.\n\t\t *  @returns {Tone.Timeline} this\n\t\t */\n\t    Tone.Timeline.prototype.cancelBefore = function (time) {\n\t        if (this._timeline.length) {\n\t            var index = this._search(time);\n\t            if (index >= 0) {\n\t                this._timeline = this._timeline.slice(index + 1);\n\t            }\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Does a binary serach on the timeline array and returns the \n\t\t *  nearest event index whose time is after or equal to the given time.\n\t\t *  If a time is searched before the first index in the timeline, -1 is returned.\n\t\t *  If the time is after the end, the index of the last item is returned.\n\t\t *  @param  {Number}  time  \n\t\t *  @return  {Number} the index in the timeline array \n\t\t *  @private\n\t\t */\n\t    Tone.Timeline.prototype._search = function (time) {\n\t        var beginning = 0;\n\t        var len = this._timeline.length;\n\t        var end = len;\n\t        if (len > 0 && this._timeline[len - 1].time <= time) {\n\t            return len - 1;\n\t        }\n\t        while (beginning < end) {\n\t            // calculate the midpoint for roughly equal partition\n\t            var midPoint = Math.floor(beginning + (end - beginning) / 2);\n\t            var event = this._timeline[midPoint];\n\t            var nextEvent = this._timeline[midPoint + 1];\n\t            if (event.time === time) {\n\t                //choose the last one that has the same time\n\t                for (var i = midPoint; i < this._timeline.length; i++) {\n\t                    var testEvent = this._timeline[i];\n\t                    if (testEvent.time === time) {\n\t                        midPoint = i;\n\t                    }\n\t                }\n\t                return midPoint;\n\t            } else if (event.time < time && nextEvent.time > time) {\n\t                return midPoint;\n\t            } else if (event.time > time) {\n\t                //search lower\n\t                end = midPoint;\n\t            } else if (event.time < time) {\n\t                //search upper\n\t                beginning = midPoint + 1;\n\t            }\n\t        }\n\t        return -1;\n\t    };\n\t    /**\n\t\t *  Internal iterator. Applies extra safety checks for \n\t\t *  removing items from the array. \n\t\t *  @param  {Function}  callback \n\t\t *  @param  {Number=}    lowerBound     \n\t\t *  @param  {Number=}    upperBound    \n\t\t *  @private\n\t\t */\n\t    Tone.Timeline.prototype._iterate = function (callback, lowerBound, upperBound) {\n\t        this._iterating = true;\n\t        lowerBound = this.defaultArg(lowerBound, 0);\n\t        upperBound = this.defaultArg(upperBound, this._timeline.length - 1);\n\t        for (var i = lowerBound; i <= upperBound; i++) {\n\t            callback(this._timeline[i]);\n\t        }\n\t        this._iterating = false;\n\t        if (this._toRemove.length > 0) {\n\t            for (var j = 0; j < this._toRemove.length; j++) {\n\t                var index = this._timeline.indexOf(this._toRemove[j]);\n\t                if (index !== -1) {\n\t                    this._timeline.splice(index, 1);\n\t                }\n\t            }\n\t            this._toRemove = [];\n\t        }\n\t    };\n\t    /**\n\t\t *  Iterate over everything in the array\n\t\t *  @param  {Function}  callback The callback to invoke with every item\n\t\t *  @returns {Tone.Timeline} this\n\t\t */\n\t    Tone.Timeline.prototype.forEach = function (callback) {\n\t        this._iterate(callback);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Iterate over everything in the array at or before the given time.\n\t\t *  @param  {Number}  time The time to check if items are before\n\t\t *  @param  {Function}  callback The callback to invoke with every item\n\t\t *  @returns {Tone.Timeline} this\n\t\t */\n\t    Tone.Timeline.prototype.forEachBefore = function (time, callback) {\n\t        //iterate over the items in reverse so that removing an item doesn't break things\n\t        var upperBound = this._search(time);\n\t        if (upperBound !== -1) {\n\t            this._iterate(callback, 0, upperBound);\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Iterate over everything in the array after the given time.\n\t\t *  @param  {Number}  time The time to check if items are before\n\t\t *  @param  {Function}  callback The callback to invoke with every item\n\t\t *  @returns {Tone.Timeline} this\n\t\t */\n\t    Tone.Timeline.prototype.forEachAfter = function (time, callback) {\n\t        //iterate over the items in reverse so that removing an item doesn't break things\n\t        var lowerBound = this._search(time);\n\t        this._iterate(callback, lowerBound + 1);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Iterate over everything in the array at or after the given time. Similar to \n\t\t *  forEachAfter, but includes the item(s) at the given time.\n\t\t *  @param  {Number}  time The time to check if items are before\n\t\t *  @param  {Function}  callback The callback to invoke with every item\n\t\t *  @returns {Tone.Timeline} this\n\t\t */\n\t    Tone.Timeline.prototype.forEachFrom = function (time, callback) {\n\t        //iterate over the items in reverse so that removing an item doesn't break things\n\t        var lowerBound = this._search(time);\n\t        //work backwards until the event time is less than time\n\t        while (lowerBound >= 0 && this._timeline[lowerBound].time >= time) {\n\t            lowerBound--;\n\t        }\n\t        this._iterate(callback, lowerBound + 1);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Iterate over everything in the array at the given time\n\t\t *  @param  {Number}  time The time to check if items are before\n\t\t *  @param  {Function}  callback The callback to invoke with every item\n\t\t *  @returns {Tone.Timeline} this\n\t\t */\n\t    Tone.Timeline.prototype.forEachAtTime = function (time, callback) {\n\t        //iterate over the items in reverse so that removing an item doesn't break things\n\t        var upperBound = this._search(time);\n\t        if (upperBound !== -1) {\n\t            this._iterate(function (event) {\n\t                if (event.time === time) {\n\t                    callback(event);\n\t                }\n\t            }, 0, upperBound);\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Clean up.\n\t\t *  @return  {Tone.Timeline}  this\n\t\t */\n\t    Tone.Timeline.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._timeline = null;\n\t        this._toRemove = null;\n\t    };\n\t    return Tone.Timeline;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class A signal which adds the method getValueAtTime. \n\t\t *         Code and inspiration from https://github.com/jsantell/web-audio-automation-timeline\n\t\t *  @extends {Tone.Param}\n\t\t *  @param {Number=} value The initial value of the signal\n\t\t *  @param {String=} units The conversion units of the signal.\n\t\t */\n\t    Tone.TimelineSignal = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'value',\n\t            'units'\n\t        ], Tone.Signal.defaults);\n\t        /**\n\t\t\t *  The scheduled events\n\t\t\t *  @type {Tone.Timeline}\n\t\t\t *  @private\n\t\t\t */\n\t        this._events = new Tone.Timeline(10);\n\t        //constructors\n\t        Tone.Signal.apply(this, options);\n\t        options.param = this._param;\n\t        Tone.Param.call(this, options);\n\t        /**\n\t\t\t *  The initial scheduled value\n\t\t\t *  @type {Number}\n\t\t\t *  @private\n\t\t\t */\n\t        this._initial = this._fromUnits(this._param.value);\n\t    };\n\t    Tone.extend(Tone.TimelineSignal, Tone.Param);\n\t    /**\n\t\t *  The event types of a schedulable signal.\n\t\t *  @enum {String}\n\t\t *  @private\n\t\t */\n\t    Tone.TimelineSignal.Type = {\n\t        Linear: 'linear',\n\t        Exponential: 'exponential',\n\t        Target: 'target',\n\t        Curve: 'curve',\n\t        Set: 'set'\n\t    };\n\t    /**\n\t\t * The current value of the signal. \n\t\t * @memberOf Tone.TimelineSignal#\n\t\t * @type {Number}\n\t\t * @name value\n\t\t */\n\t    Object.defineProperty(Tone.TimelineSignal.prototype, 'value', {\n\t        get: function () {\n\t            var now = this.now();\n\t            var val = this.getValueAtTime(now);\n\t            return this._toUnits(val);\n\t        },\n\t        set: function (value) {\n\t            var convertedVal = this._fromUnits(value);\n\t            this._initial = convertedVal;\n\t            this.cancelScheduledValues();\n\t            this._param.value = convertedVal;\n\t        }\n\t    });\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    //\tSCHEDULING\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    /**\n\t\t *  Schedules a parameter value change at the given time.\n\t\t *  @param {*}\tvalue The value to set the signal.\n\t\t *  @param {Time}  time The time when the change should occur.\n\t\t *  @returns {Tone.TimelineSignal} this\n\t\t *  @example\n\t\t * //set the frequency to \"G4\" in exactly 1 second from now. \n\t\t * freq.setValueAtTime(\"G4\", \"+1\");\n\t\t */\n\t    Tone.TimelineSignal.prototype.setValueAtTime = function (value, startTime) {\n\t        value = this._fromUnits(value);\n\t        startTime = this.toSeconds(startTime);\n\t        this._events.add({\n\t            'type': Tone.TimelineSignal.Type.Set,\n\t            'value': value,\n\t            'time': startTime\n\t        });\n\t        //invoke the original event\n\t        this._param.setValueAtTime(value, startTime);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Schedules a linear continuous change in parameter value from the \n\t\t *  previous scheduled parameter value to the given value.\n\t\t *  \n\t\t *  @param  {number} value   \n\t\t *  @param  {Time} endTime \n\t\t *  @returns {Tone.TimelineSignal} this\n\t\t */\n\t    Tone.TimelineSignal.prototype.linearRampToValueAtTime = function (value, endTime) {\n\t        value = this._fromUnits(value);\n\t        endTime = this.toSeconds(endTime);\n\t        this._events.add({\n\t            'type': Tone.TimelineSignal.Type.Linear,\n\t            'value': value,\n\t            'time': endTime\n\t        });\n\t        this._param.linearRampToValueAtTime(value, endTime);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Schedules an exponential continuous change in parameter value from \n\t\t *  the previous scheduled parameter value to the given value.\n\t\t *  \n\t\t *  @param  {number} value   \n\t\t *  @param  {Time} endTime \n\t\t *  @returns {Tone.TimelineSignal} this\n\t\t */\n\t    Tone.TimelineSignal.prototype.exponentialRampToValueAtTime = function (value, endTime) {\n\t        //get the previous event and make sure it's not starting from 0\n\t        endTime = this.toSeconds(endTime);\n\t        var beforeEvent = this._searchBefore(endTime);\n\t        if (beforeEvent && beforeEvent.value === 0) {\n\t            //reschedule that event\n\t            this.setValueAtTime(this._minOutput, beforeEvent.time);\n\t        }\n\t        value = this._fromUnits(value);\n\t        var setValue = Math.max(value, this._minOutput);\n\t        this._events.add({\n\t            'type': Tone.TimelineSignal.Type.Exponential,\n\t            'value': setValue,\n\t            'time': endTime\n\t        });\n\t        //if the ramped to value is 0, make it go to the min output, and then set to 0.\n\t        if (value < this._minOutput) {\n\t            this._param.exponentialRampToValueAtTime(this._minOutput, endTime - this.sampleTime);\n\t            this.setValueAtTime(0, endTime);\n\t        } else {\n\t            this._param.exponentialRampToValueAtTime(value, endTime);\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Start exponentially approaching the target value at the given time with\n\t\t *  a rate having the given time constant.\n\t\t *  @param {number} value        \n\t\t *  @param {Time} startTime    \n\t\t *  @param {number} timeConstant \n\t\t *  @returns {Tone.TimelineSignal} this \n\t\t */\n\t    Tone.TimelineSignal.prototype.setTargetAtTime = function (value, startTime, timeConstant) {\n\t        value = this._fromUnits(value);\n\t        value = Math.max(this._minOutput, value);\n\t        timeConstant = Math.max(this._minOutput, timeConstant);\n\t        startTime = this.toSeconds(startTime);\n\t        this._events.add({\n\t            'type': Tone.TimelineSignal.Type.Target,\n\t            'value': value,\n\t            'time': startTime,\n\t            'constant': timeConstant\n\t        });\n\t        this._param.setTargetAtTime(value, startTime, timeConstant);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Set an array of arbitrary values starting at the given time for the given duration.\n\t\t *  @param {Float32Array} values        \n\t\t *  @param {Time} startTime    \n\t\t *  @param {Time} duration\n\t\t *  @param {NormalRange} [scaling=1] If the values in the curve should be scaled by some value\n\t\t *  @returns {Tone.TimelineSignal} this \n\t\t */\n\t    Tone.TimelineSignal.prototype.setValueCurveAtTime = function (values, startTime, duration, scaling) {\n\t        scaling = this.defaultArg(scaling, 1);\n\t        //copy the array\n\t        var floats = new Array(values.length);\n\t        for (var i = 0; i < floats.length; i++) {\n\t            floats[i] = this._fromUnits(values[i]) * scaling;\n\t        }\n\t        startTime = this.toSeconds(startTime);\n\t        duration = this.toSeconds(duration);\n\t        this._events.add({\n\t            'type': Tone.TimelineSignal.Type.Curve,\n\t            'value': floats,\n\t            'time': startTime,\n\t            'duration': duration\n\t        });\n\t        //set the first value\n\t        this._param.setValueAtTime(floats[0], startTime);\n\t        //schedule a lienar ramp for each of the segments\n\t        for (var j = 1; j < floats.length; j++) {\n\t            var segmentTime = startTime + j / (floats.length - 1) * duration;\n\t            this._param.linearRampToValueAtTime(floats[j], segmentTime);\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Cancels all scheduled parameter changes with times greater than or \n\t\t *  equal to startTime.\n\t\t *  \n\t\t *  @param  {Time} startTime\n\t\t *  @returns {Tone.TimelineSignal} this\n\t\t */\n\t    Tone.TimelineSignal.prototype.cancelScheduledValues = function (after) {\n\t        after = this.toSeconds(after);\n\t        this._events.cancel(after);\n\t        this._param.cancelScheduledValues(after);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Sets the computed value at the given time. This provides\n\t\t *  a point from which a linear or exponential curve\n\t\t *  can be scheduled after. Will cancel events after \n\t\t *  the given time and shorten the currently scheduled\n\t\t *  linear or exponential ramp so that it ends at `time` .\n\t\t *  This is to avoid discontinuities and clicks in envelopes. \n\t\t *  @param {Time} time When to set the ramp point\n\t\t *  @returns {Tone.TimelineSignal} this\n\t\t */\n\t    Tone.TimelineSignal.prototype.setRampPoint = function (time) {\n\t        time = this.toSeconds(time);\n\t        //get the value at the given time\n\t        var val = this._toUnits(this.getValueAtTime(time));\n\t        //if there is an event at the given time\n\t        //and that even is not a \"set\"\n\t        var before = this._searchBefore(time);\n\t        if (before && before.time === time) {\n\t            //remove everything after\n\t            this.cancelScheduledValues(time + this.sampleTime);\n\t        } else if (before && before.type === Tone.TimelineSignal.Type.Curve && before.time + before.duration > time) {\n\t            //if the curve is still playing\n\t            //cancel the curve\n\t            this.cancelScheduledValues(time);\n\t            this.linearRampToValueAtTime(val, time);\n\t        } else {\n\t            //reschedule the next event to end at the given time\n\t            var after = this._searchAfter(time);\n\t            if (after) {\n\t                //cancel the next event(s)\n\t                this.cancelScheduledValues(time);\n\t                if (after.type === Tone.TimelineSignal.Type.Linear) {\n\t                    this.linearRampToValueAtTime(val, time);\n\t                } else if (after.type === Tone.TimelineSignal.Type.Exponential) {\n\t                    this.exponentialRampToValueAtTime(val, time);\n\t                }\n\t            }\n\t            this.setValueAtTime(val, time);\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Do a linear ramp to the given value between the start and finish times.\n\t\t *  @param {Number} value The value to ramp to.\n\t\t *  @param {Time} start The beginning anchor point to do the linear ramp\n\t\t *  @param {Time} finish The ending anchor point by which the value of\n\t\t *                       the signal will equal the given value.\n\t\t *  @returns {Tone.TimelineSignal} this\n\t\t */\n\t    Tone.TimelineSignal.prototype.linearRampToValueBetween = function (value, start, finish) {\n\t        this.setRampPoint(start);\n\t        this.linearRampToValueAtTime(value, finish);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Do a exponential ramp to the given value between the start and finish times.\n\t\t *  @param {Number} value The value to ramp to.\n\t\t *  @param {Time} start The beginning anchor point to do the exponential ramp\n\t\t *  @param {Time} finish The ending anchor point by which the value of\n\t\t *                       the signal will equal the given value.\n\t\t *  @returns {Tone.TimelineSignal} this\n\t\t */\n\t    Tone.TimelineSignal.prototype.exponentialRampToValueBetween = function (value, start, finish) {\n\t        this.setRampPoint(start);\n\t        this.exponentialRampToValueAtTime(value, finish);\n\t        return this;\n\t    };\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    //\tGETTING SCHEDULED VALUES\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    /**\n\t\t *  Returns the value before or equal to the given time\n\t\t *  @param  {Number}  time  The time to query\n\t\t *  @return  {Object}  The event at or before the given time.\n\t\t *  @private\n\t\t */\n\t    Tone.TimelineSignal.prototype._searchBefore = function (time) {\n\t        return this._events.get(time);\n\t    };\n\t    /**\n\t\t *  The event after the given time\n\t\t *  @param  {Number}  time  The time to query.\n\t\t *  @return  {Object}  The next event after the given time\n\t\t *  @private\n\t\t */\n\t    Tone.TimelineSignal.prototype._searchAfter = function (time) {\n\t        return this._events.getAfter(time);\n\t    };\n\t    /**\n\t\t *  Get the scheduled value at the given time. This will\n\t\t *  return the unconverted (raw) value.\n\t\t *  @param  {Number}  time  The time in seconds.\n\t\t *  @return  {Number}  The scheduled value at the given time.\n\t\t */\n\t    Tone.TimelineSignal.prototype.getValueAtTime = function (time) {\n\t        time = this.toSeconds(time);\n\t        var after = this._searchAfter(time);\n\t        var before = this._searchBefore(time);\n\t        var value = this._initial;\n\t        //if it was set by\n\t        if (before === null) {\n\t            value = this._initial;\n\t        } else if (before.type === Tone.TimelineSignal.Type.Target) {\n\t            var previous = this._events.getBefore(before.time);\n\t            var previouVal;\n\t            if (previous === null) {\n\t                previouVal = this._initial;\n\t            } else {\n\t                previouVal = previous.value;\n\t            }\n\t            value = this._exponentialApproach(before.time, previouVal, before.value, before.constant, time);\n\t        } else if (before.type === Tone.TimelineSignal.Type.Curve) {\n\t            value = this._curveInterpolate(before.time, before.value, before.duration, time);\n\t        } else if (after === null) {\n\t            value = before.value;\n\t        } else if (after.type === Tone.TimelineSignal.Type.Linear) {\n\t            value = this._linearInterpolate(before.time, before.value, after.time, after.value, time);\n\t        } else if (after.type === Tone.TimelineSignal.Type.Exponential) {\n\t            value = this._exponentialInterpolate(before.time, before.value, after.time, after.value, time);\n\t        } else {\n\t            value = before.value;\n\t        }\n\t        return value;\n\t    };\n\t    /**\n\t\t *  When signals connect to other signals or AudioParams, \n\t\t *  they take over the output value of that signal or AudioParam. \n\t\t *  For all other nodes, the behavior is the same as a default <code>connect</code>. \n\t\t *\n\t\t *  @override\n\t\t *  @param {AudioParam|AudioNode|Tone.Signal|Tone} node \n\t\t *  @param {number} [outputNumber=0] The output number to connect from.\n\t\t *  @param {number} [inputNumber=0] The input number to connect to.\n\t\t *  @returns {Tone.TimelineSignal} this\n\t\t *  @method\n\t\t */\n\t    Tone.TimelineSignal.prototype.connect = Tone.SignalBase.prototype.connect;\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    //\tAUTOMATION CURVE CALCULATIONS\n\t    //\tMIT License, copyright (c) 2014 Jordan Santell\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    /**\n\t\t *  Calculates the the value along the curve produced by setTargetAtTime\n\t\t *  @private\n\t\t */\n\t    Tone.TimelineSignal.prototype._exponentialApproach = function (t0, v0, v1, timeConstant, t) {\n\t        return v1 + (v0 - v1) * Math.exp(-(t - t0) / timeConstant);\n\t    };\n\t    /**\n\t\t *  Calculates the the value along the curve produced by linearRampToValueAtTime\n\t\t *  @private\n\t\t */\n\t    Tone.TimelineSignal.prototype._linearInterpolate = function (t0, v0, t1, v1, t) {\n\t        return v0 + (v1 - v0) * ((t - t0) / (t1 - t0));\n\t    };\n\t    /**\n\t\t *  Calculates the the value along the curve produced by exponentialRampToValueAtTime\n\t\t *  @private\n\t\t */\n\t    Tone.TimelineSignal.prototype._exponentialInterpolate = function (t0, v0, t1, v1, t) {\n\t        v0 = Math.max(this._minOutput, v0);\n\t        return v0 * Math.pow(v1 / v0, (t - t0) / (t1 - t0));\n\t    };\n\t    /**\n\t\t *  Calculates the the value along the curve produced by setValueCurveAtTime\n\t\t *  @private\n\t\t */\n\t    Tone.TimelineSignal.prototype._curveInterpolate = function (start, curve, duration, time) {\n\t        var len = curve.length;\n\t        // If time is after duration, return the last curve value\n\t        if (time >= start + duration) {\n\t            return curve[len - 1];\n\t        } else if (time <= start) {\n\t            return curve[0];\n\t        } else {\n\t            var progress = (time - start) / duration;\n\t            var lowerIndex = Math.floor((len - 1) * progress);\n\t            var upperIndex = Math.ceil((len - 1) * progress);\n\t            var lowerVal = curve[lowerIndex];\n\t            var upperVal = curve[upperIndex];\n\t            if (upperIndex === lowerIndex) {\n\t                return lowerVal;\n\t            } else {\n\t                return this._linearInterpolate(lowerIndex, lowerVal, upperIndex, upperVal, progress * (len - 1));\n\t            }\n\t        }\n\t    };\n\t    /**\n\t\t *  Clean up.\n\t\t *  @return {Tone.TimelineSignal} this\n\t\t */\n\t    Tone.TimelineSignal.prototype.dispose = function () {\n\t        Tone.Signal.prototype.dispose.call(this);\n\t        Tone.Param.prototype.dispose.call(this);\n\t        this._events.dispose();\n\t        this._events = null;\n\t    };\n\t    return Tone.TimelineSignal;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Pow applies an exponent to the incoming signal. The incoming signal\n\t\t *         must be AudioRange.\n\t\t *\n\t\t *  @extends {Tone.SignalBase}\n\t\t *  @constructor\n\t\t *  @param {Positive} exp The exponent to apply to the incoming signal, must be at least 2. \n\t\t *  @example\n\t\t * var pow = new Tone.Pow(2);\n\t\t * var sig = new Tone.Signal(0.5).connect(pow);\n\t\t * //output of pow is 0.25. \n\t\t */\n\t    Tone.Pow = function (exp) {\n\t        /**\n\t\t\t * the exponent\n\t\t\t * @private\n\t\t\t * @type {number}\n\t\t\t */\n\t        this._exp = this.defaultArg(exp, 1);\n\t        /**\n\t\t\t *  @type {WaveShaperNode}\n\t\t\t *  @private\n\t\t\t */\n\t        this._expScaler = this.input = this.output = new Tone.WaveShaper(this._expFunc(this._exp), 8192);\n\t    };\n\t    Tone.extend(Tone.Pow, Tone.SignalBase);\n\t    /**\n\t\t * The value of the exponent.\n\t\t * @memberOf Tone.Pow#\n\t\t * @type {number}\n\t\t * @name value\n\t\t */\n\t    Object.defineProperty(Tone.Pow.prototype, 'value', {\n\t        get: function () {\n\t            return this._exp;\n\t        },\n\t        set: function (exp) {\n\t            this._exp = exp;\n\t            this._expScaler.setMap(this._expFunc(this._exp));\n\t        }\n\t    });\n\t    /**\n\t\t *  the function which maps the waveshaper\n\t\t *  @param   {number} exp\n\t\t *  @return {function}\n\t\t *  @private\n\t\t */\n\t    Tone.Pow.prototype._expFunc = function (exp) {\n\t        return function (val) {\n\t            return Math.pow(Math.abs(val), exp);\n\t        };\n\t    };\n\t    /**\n\t\t *  Clean up.\n\t\t *  @returns {Tone.Pow} this\n\t\t */\n\t    Tone.Pow.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._expScaler.dispose();\n\t        this._expScaler = null;\n\t        return this;\n\t    };\n\t    return Tone.Pow;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  Tone.Envelope is an [ADSR](https://en.wikipedia.org/wiki/Synthesizer#ADSR_envelope)\n\t\t *          envelope generator. Tone.Envelope outputs a signal which \n\t\t *          can be connected to an AudioParam or Tone.Signal. \n\t\t *          <img src=\"https://upload.wikimedia.org/wikipedia/commons/e/ea/ADSR_parameter.svg\">\n\t\t *\n\t\t *  @constructor\n\t\t *  @extends {Tone}\n\t\t *  @param {Time} [attack] The amount of time it takes for the envelope to go from \n\t\t *                         0 to it's maximum value. \n\t\t *  @param {Time} [decay]\tThe period of time after the attack that it takes for the envelope\n\t\t *                       \tto fall to the sustain value. \n\t\t *  @param {NormalRange} [sustain]\tThe percent of the maximum value that the envelope rests at until\n\t\t *                                \tthe release is triggered. \n\t\t *  @param {Time} [release]\tThe amount of time after the release is triggered it takes to reach 0. \n\t\t *  @example\n\t\t * //an amplitude envelope\n\t\t * var gainNode = Tone.context.createGain();\n\t\t * var env = new Tone.Envelope({\n\t\t * \t\"attack\" : 0.1,\n\t\t * \t\"decay\" : 0.2,\n\t\t * \t\"sustain\" : 1,\n\t\t * \t\"release\" : 0.8,\n\t\t * });\n\t\t * env.connect(gainNode.gain);\n\t\t */\n\t    Tone.Envelope = function () {\n\t        //get all of the defaults\n\t        var options = this.optionsObject(arguments, [\n\t            'attack',\n\t            'decay',\n\t            'sustain',\n\t            'release'\n\t        ], Tone.Envelope.defaults);\n\t        /** \n\t\t\t *  When triggerAttack is called, the attack time is the amount of\n\t\t\t *  time it takes for the envelope to reach it's maximum value. \n\t\t\t *  @type {Time}\n\t\t\t */\n\t        this.attack = options.attack;\n\t        /**\n\t\t\t *  After the attack portion of the envelope, the value will fall\n\t\t\t *  over the duration of the decay time to it's sustain value. \n\t\t\t *  @type {Time}\n\t\t\t */\n\t        this.decay = options.decay;\n\t        /**\n\t\t\t * \tThe sustain value is the value \n\t\t\t * \twhich the envelope rests at after triggerAttack is\n\t\t\t * \tcalled, but before triggerRelease is invoked. \n\t\t\t *  @type {NormalRange}\n\t\t\t */\n\t        this.sustain = options.sustain;\n\t        /**\n\t\t\t *  After triggerRelease is called, the envelope's\n\t\t\t *  value will fall to it's miminum value over the\n\t\t\t *  duration of the release time. \n\t\t\t *  @type {Time}\n\t\t\t */\n\t        this.release = options.release;\n\t        /**\n\t\t\t *  the next time the envelope is at standby\n\t\t\t *  @type {number}\n\t\t\t *  @private\n\t\t\t */\n\t        this._attackCurve = 'linear';\n\t        /**\n\t\t\t *  the next time the envelope is at standby\n\t\t\t *  @type {number}\n\t\t\t *  @private\n\t\t\t */\n\t        this._releaseCurve = 'exponential';\n\t        /**\n\t\t\t *  the signal\n\t\t\t *  @type {Tone.TimelineSignal}\n\t\t\t *  @private\n\t\t\t */\n\t        this._sig = this.output = new Tone.TimelineSignal();\n\t        this._sig.setValueAtTime(0, 0);\n\t        //set the attackCurve initially\n\t        this.attackCurve = options.attackCurve;\n\t        this.releaseCurve = options.releaseCurve;\n\t    };\n\t    Tone.extend(Tone.Envelope);\n\t    /**\n\t\t *  the default parameters\n\t\t *  @static\n\t\t *  @const\n\t\t */\n\t    Tone.Envelope.defaults = {\n\t        'attack': 0.01,\n\t        'decay': 0.1,\n\t        'sustain': 0.5,\n\t        'release': 1,\n\t        'attackCurve': 'linear',\n\t        'releaseCurve': 'exponential'\n\t    };\n\t    /**\n\t\t * Read the current value of the envelope. Useful for \n\t\t * syncronizing visual output to the envelope. \n\t\t * @memberOf Tone.Envelope#\n\t\t * @type {Number}\n\t\t * @name value\n\t\t * @readOnly\n\t\t */\n\t    Object.defineProperty(Tone.Envelope.prototype, 'value', {\n\t        get: function () {\n\t            return this.getValueAtTime(this.now());\n\t        }\n\t    });\n\t    /**\n\t\t * The shape of the attack. \n\t\t * Can be any of these strings:\n\t\t * <ul>\n\t\t *   <li>linear</li>\n\t\t *   <li>exponential</li>\n\t\t *   <li>sine</li>\n\t\t *   <li>cosine</li>\n\t\t *   <li>bounce</li>\n\t\t *   <li>ripple</li>\n\t\t *   <li>step</li>\n\t\t * </ul>\n\t\t * Can also be an array which describes the curve. Values\n\t\t * in the array are evenly subdivided and linearly\n\t\t * interpolated over the duration of the attack. \n\t\t * @memberOf Tone.Envelope#\n\t\t * @type {String|Array}\n\t\t * @name attackCurve\n\t\t * @example\n\t\t * env.attackCurve = \"linear\";\n\t\t * @example\n\t\t * //can also be an array\n\t\t * env.attackCurve = [0, 0.2, 0.3, 0.4, 1]\n\t\t */\n\t    Object.defineProperty(Tone.Envelope.prototype, 'attackCurve', {\n\t        get: function () {\n\t            if (this.isString(this._attackCurve)) {\n\t                return this._attackCurve;\n\t            } else if (this.isArray(this._attackCurve)) {\n\t                //look up the name in the curves array\n\t                for (var type in Tone.Envelope.Type) {\n\t                    if (Tone.Envelope.Type[type].In === this._attackCurve) {\n\t                        return type;\n\t                    }\n\t                }\n\t                //otherwise just return the array\n\t                return this._attackCurve;\n\t            }\n\t        },\n\t        set: function (curve) {\n\t            //check if it's a valid type\n\t            if (Tone.Envelope.Type.hasOwnProperty(curve)) {\n\t                var curveDef = Tone.Envelope.Type[curve];\n\t                if (this.isObject(curveDef)) {\n\t                    this._attackCurve = curveDef.In;\n\t                } else {\n\t                    this._attackCurve = curveDef;\n\t                }\n\t            } else if (this.isArray(curve)) {\n\t                this._attackCurve = curve;\n\t            } else {\n\t                throw new Error('Tone.Envelope: invalid curve: ' + curve);\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t * The shape of the release. See the attack curve types. \n\t\t * @memberOf Tone.Envelope#\n\t\t * @type {String|Array}\n\t\t * @name releaseCurve\n\t\t * @example\n\t\t * env.releaseCurve = \"linear\";\n\t\t */\n\t    Object.defineProperty(Tone.Envelope.prototype, 'releaseCurve', {\n\t        get: function () {\n\t            if (this.isString(this._releaseCurve)) {\n\t                return this._releaseCurve;\n\t            } else if (this.isArray(this._releaseCurve)) {\n\t                //look up the name in the curves array\n\t                for (var type in Tone.Envelope.Type) {\n\t                    if (Tone.Envelope.Type[type].Out === this._releaseCurve) {\n\t                        return type;\n\t                    }\n\t                }\n\t                //otherwise just return the array\n\t                return this._releaseCurve;\n\t            }\n\t        },\n\t        set: function (curve) {\n\t            //check if it's a valid type\n\t            if (Tone.Envelope.Type.hasOwnProperty(curve)) {\n\t                var curveDef = Tone.Envelope.Type[curve];\n\t                if (this.isObject(curveDef)) {\n\t                    this._releaseCurve = curveDef.Out;\n\t                } else {\n\t                    this._releaseCurve = curveDef;\n\t                }\n\t            } else if (this.isArray(curve)) {\n\t                this._releaseCurve = curve;\n\t            } else {\n\t                throw new Error('Tone.Envelope: invalid curve: ' + curve);\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t *  Trigger the attack/decay portion of the ADSR envelope. \n\t\t *  @param  {Time} [time=now] When the attack should start.\n\t\t *  @param {NormalRange} [velocity=1] The velocity of the envelope scales the vales.\n\t\t *                               number between 0-1\n\t\t *  @returns {Tone.Envelope} this\n\t\t *  @example\n\t\t *  //trigger the attack 0.5 seconds from now with a velocity of 0.2\n\t\t *  env.triggerAttack(\"+0.5\", 0.2);\n\t\t */\n\t    Tone.Envelope.prototype.triggerAttack = function (time, velocity) {\n\t        time = this.toSeconds(time);\n\t        var originalAttack = this.toSeconds(this.attack);\n\t        var attack = originalAttack;\n\t        var decay = this.toSeconds(this.decay);\n\t        velocity = this.defaultArg(velocity, 1);\n\t        //check if it's not a complete attack\n\t        var currentValue = this.getValueAtTime(time);\n\t        if (currentValue > 0) {\n\t            //subtract the current value from the attack time\n\t            var attackRate = 1 / attack;\n\t            var remainingDistance = 1 - currentValue;\n\t            //the attack is now the remaining time\n\t            attack = remainingDistance / attackRate;\n\t        }\n\t        //attack\n\t        if (this._attackCurve === 'linear') {\n\t            this._sig.linearRampToValue(velocity, attack, time);\n\t        } else if (this._attackCurve === 'exponential') {\n\t            this._sig.exponentialRampToValue(velocity, attack, time);\n\t        } else if (attack > 0) {\n\t            this._sig.setRampPoint(time);\n\t            var curve = this._attackCurve;\n\t            //take only a portion of the curve\n\t            if (attack < originalAttack) {\n\t                var percentComplete = 1 - attack / originalAttack;\n\t                var sliceIndex = Math.floor(percentComplete * this._attackCurve.length);\n\t                curve = this._attackCurve.slice(sliceIndex);\n\t                //the first index is the current value\n\t                curve[0] = currentValue;\n\t            }\n\t            this._sig.setValueCurveAtTime(curve, time, attack, velocity);\n\t        }\n\t        //decay\n\t        this._sig.exponentialRampToValue(velocity * this.sustain, decay, attack + time);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Triggers the release of the envelope.\n\t\t *  @param  {Time} [time=now] When the release portion of the envelope should start. \n\t\t *  @returns {Tone.Envelope} this\n\t\t *  @example\n\t\t *  //trigger release immediately\n\t\t *  env.triggerRelease();\n\t\t */\n\t    Tone.Envelope.prototype.triggerRelease = function (time) {\n\t        time = this.toSeconds(time);\n\t        var currentValue = this.getValueAtTime(time);\n\t        if (currentValue > 0) {\n\t            var release = this.toSeconds(this.release);\n\t            if (this._releaseCurve === 'linear') {\n\t                this._sig.linearRampToValue(0, release, time);\n\t            } else if (this._releaseCurve === 'exponential') {\n\t                this._sig.exponentialRampToValue(0, release, time);\n\t            } else {\n\t                var curve = this._releaseCurve;\n\t                if (this.isArray(curve)) {\n\t                    this._sig.setRampPoint(time);\n\t                    this._sig.setValueCurveAtTime(curve, time, release, currentValue);\n\t                }\n\t            }\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Get the scheduled value at the given time. This will\n\t\t *  return the unconverted (raw) value.\n\t\t *  @param  {Number}  time  The time in seconds.\n\t\t *  @return  {Number}  The scheduled value at the given time.\n\t\t */\n\t    Tone.Envelope.prototype.getValueAtTime = function (time) {\n\t        return this._sig.getValueAtTime(time);\n\t    };\n\t    /**\n\t\t *  triggerAttackRelease is shorthand for triggerAttack, then waiting\n\t\t *  some duration, then triggerRelease. \n\t\t *  @param {Time} duration The duration of the sustain.\n\t\t *  @param {Time} [time=now] When the attack should be triggered.\n\t\t *  @param {number} [velocity=1] The velocity of the envelope. \n\t\t *  @returns {Tone.Envelope} this\n\t\t *  @example\n\t\t * //trigger the attack and then the release after 0.6 seconds.\n\t\t * env.triggerAttackRelease(0.6);\n\t\t */\n\t    Tone.Envelope.prototype.triggerAttackRelease = function (duration, time, velocity) {\n\t        time = this.toSeconds(time);\n\t        this.triggerAttack(time, velocity);\n\t        this.triggerRelease(time + this.toSeconds(duration));\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Cancels all scheduled envelope changes after the given time.\n\t\t *  @param  {Time} after\n\t\t *  @returns {Tone.Envelope} this\n\t\t */\n\t    Tone.Envelope.prototype.cancel = function (after) {\n\t        this._sig.cancelScheduledValues(after);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Borrows the connect method from Tone.Signal. \n\t\t *  @function\n\t\t *  @private\n\t\t */\n\t    Tone.Envelope.prototype.connect = Tone.Signal.prototype.connect;\n\t    /**\n\t \t *  Generate some complex envelope curves. \n\t \t */\n\t    (function _createCurves() {\n\t        var curveLen = 128;\n\t        var i, k;\n\t        //cosine curve\n\t        var cosineCurve = [];\n\t        for (i = 0; i < curveLen; i++) {\n\t            cosineCurve[i] = Math.sin(i / (curveLen - 1) * (Math.PI / 2));\n\t        }\n\t        //ripple curve\n\t        var rippleCurve = [];\n\t        var rippleCurveFreq = 6.4;\n\t        for (i = 0; i < curveLen - 1; i++) {\n\t            k = i / (curveLen - 1);\n\t            var sineWave = Math.sin(k * (Math.PI * 2) * rippleCurveFreq - Math.PI / 2) + 1;\n\t            rippleCurve[i] = sineWave / 10 + k * 0.83;\n\t        }\n\t        rippleCurve[curveLen - 1] = 1;\n\t        //stairs curve\n\t        var stairsCurve = [];\n\t        var steps = 5;\n\t        for (i = 0; i < curveLen; i++) {\n\t            stairsCurve[i] = Math.ceil(i / (curveLen - 1) * steps) / steps;\n\t        }\n\t        //in-out easing curve\n\t        var sineCurve = [];\n\t        for (i = 0; i < curveLen; i++) {\n\t            k = i / (curveLen - 1);\n\t            sineCurve[i] = 0.5 * (1 - Math.cos(Math.PI * k));\n\t        }\n\t        //a bounce curve\n\t        var bounceCurve = [];\n\t        for (i = 0; i < curveLen; i++) {\n\t            k = i / (curveLen - 1);\n\t            var freq = Math.pow(k, 3) * 4 + 0.2;\n\t            var val = Math.cos(freq * Math.PI * 2 * k);\n\t            bounceCurve[i] = Math.abs(val * (1 - k));\n\t        }\n\t        /**\n\t\t\t *  Invert a value curve to make it work for the release\n\t\t\t *  @private\n\t\t\t */\n\t        function invertCurve(curve) {\n\t            var out = new Array(curve.length);\n\t            for (var j = 0; j < curve.length; j++) {\n\t                out[j] = 1 - curve[j];\n\t            }\n\t            return out;\n\t        }\n\t        /**\n\t\t\t *  reverse the curve\n\t\t\t *  @private\n\t\t\t */\n\t        function reverseCurve(curve) {\n\t            return curve.slice(0).reverse();\n\t        }\n\t        /**\n\t\t\t *  attack and release curve arrays\n\t\t\t *  @type  {Object}\n\t\t\t *  @private\n\t\t\t */\n\t        Tone.Envelope.Type = {\n\t            'linear': 'linear',\n\t            'exponential': 'exponential',\n\t            'bounce': {\n\t                In: invertCurve(bounceCurve),\n\t                Out: bounceCurve\n\t            },\n\t            'cosine': {\n\t                In: cosineCurve,\n\t                Out: reverseCurve(cosineCurve)\n\t            },\n\t            'step': {\n\t                In: stairsCurve,\n\t                Out: invertCurve(stairsCurve)\n\t            },\n\t            'ripple': {\n\t                In: rippleCurve,\n\t                Out: invertCurve(rippleCurve)\n\t            },\n\t            'sine': {\n\t                In: sineCurve,\n\t                Out: invertCurve(sineCurve)\n\t            }\n\t        };\n\t    }());\n\t    /**\n\t\t *  Disconnect and dispose.\n\t\t *  @returns {Tone.Envelope} this\n\t\t */\n\t    Tone.Envelope.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._sig.dispose();\n\t        this._sig = null;\n\t        this._attackCurve = null;\n\t        this._releaseCurve = null;\n\t        return this;\n\t    };\n\t    return Tone.Envelope;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  Tone.AmplitudeEnvelope is a Tone.Envelope connected to a gain node. \n\t\t *          Unlike Tone.Envelope, which outputs the envelope's value, Tone.AmplitudeEnvelope accepts\n\t\t *          an audio signal as the input and will apply the envelope to the amplitude\n\t\t *          of the signal. Read more about ADSR Envelopes on [Wikipedia](https://en.wikipedia.org/wiki/Synthesizer#ADSR_envelope).\n\t\t *  \n\t\t *  @constructor\n\t\t *  @extends {Tone.Envelope}\n\t\t *  @param {Time|Object} [attack] The amount of time it takes for the envelope to go from \n\t\t *                               0 to it's maximum value. \n\t\t *  @param {Time} [decay]\tThe period of time after the attack that it takes for the envelope\n\t\t *                       \tto fall to the sustain value. \n\t\t *  @param {NormalRange} [sustain]\tThe percent of the maximum value that the envelope rests at until\n\t\t *                                \tthe release is triggered. \n\t\t *  @param {Time} [release]\tThe amount of time after the release is triggered it takes to reach 0. \n\t\t *  @example\n\t\t * var ampEnv = new Tone.AmplitudeEnvelope({\n\t\t * \t\"attack\": 0.1,\n\t\t * \t\"decay\": 0.2,\n\t\t * \t\"sustain\": 1.0,\n\t\t * \t\"release\": 0.8\n\t\t * }).toMaster();\n\t\t * //create an oscillator and connect it\n\t\t * var osc = new Tone.Oscillator().connect(ampEnv).start();\n\t\t * //trigger the envelopes attack and release \"8t\" apart\n\t\t * ampEnv.triggerAttackRelease(\"8t\");\n\t\t */\n\t    Tone.AmplitudeEnvelope = function () {\n\t        Tone.Envelope.apply(this, arguments);\n\t        /**\n\t\t\t *  the input node\n\t\t\t *  @type {GainNode}\n\t\t\t *  @private\n\t\t\t */\n\t        this.input = this.output = new Tone.Gain();\n\t        this._sig.connect(this.output.gain);\n\t    };\n\t    Tone.extend(Tone.AmplitudeEnvelope, Tone.Envelope);\n\t    /**\n\t\t *  Clean up\n\t\t *  @return  {Tone.AmplitudeEnvelope}  this\n\t\t */\n\t    Tone.AmplitudeEnvelope.prototype.dispose = function () {\n\t        this.input.dispose();\n\t        this.input = null;\n\t        Tone.Envelope.prototype.dispose.call(this);\n\t        return this;\n\t    };\n\t    return Tone.AmplitudeEnvelope;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  AnalyserNode.getFloatTimeDomainData polyfill\n\t\t *  @private\n\t\t */\n\t    if (window.AnalyserNode && !AnalyserNode.prototype.getFloatTimeDomainData) {\n\t        //referenced https://github.com/mohayonao/get-float-time-domain-data \n\t        AnalyserNode.prototype.getFloatTimeDomainData = function (array) {\n\t            var uint8 = new Uint8Array(array.length);\n\t            this.getByteTimeDomainData(uint8);\n\t            for (var i = 0; i < uint8.length; i++) {\n\t                array[i] = (uint8[i] - 128) / 128;\n\t            }\n\t        };\n\t    }\n\t    /**\n\t\t *  @class  Wrapper around the native Web Audio's \n\t\t *          [AnalyserNode](http://webaudio.github.io/web-audio-api/#idl-def-AnalyserNode).\n\t\t *          Extracts FFT or Waveform data from the incoming signal.\n\t\t *  @extends {Tone}\n\t\t *  @param {String=} type The return type of the analysis, either \"fft\", or \"waveform\". \n\t\t *  @param {Number=} size The size of the FFT. Value must be a power of \n\t\t *                       two in the range 32 to 32768.\n\t\t */\n\t    Tone.Analyser = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'type',\n\t            'size'\n\t        ], Tone.Analyser.defaults);\n\t        /**\n\t\t\t *  The analyser node.\n\t\t\t *  @private\n\t\t\t *  @type {AnalyserNode}\n\t\t\t */\n\t        this._analyser = this.input = this.output = this.context.createAnalyser();\n\t        /**\n\t\t\t *  The analysis type\n\t\t\t *  @type {String}\n\t\t\t *  @private\n\t\t\t */\n\t        this._type = options.type;\n\t        /**\n\t\t\t *  The return type of the analysis\n\t\t\t *  @type {String}\n\t\t\t *  @private\n\t\t\t */\n\t        this._returnType = options.returnType;\n\t        /**\n\t\t\t *  The buffer that the FFT data is written to\n\t\t\t *  @type {TypedArray}\n\t\t\t *  @private\n\t\t\t */\n\t        this._buffer = null;\n\t        //set the values initially\n\t        this.size = options.size;\n\t        this.type = options.type;\n\t        this.returnType = options.returnType;\n\t        this.minDecibels = options.minDecibels;\n\t        this.maxDecibels = options.maxDecibels;\n\t    };\n\t    Tone.extend(Tone.Analyser);\n\t    /**\n\t\t *  The default values.\n\t\t *  @type {Object}\n\t\t *  @const\n\t\t */\n\t    Tone.Analyser.defaults = {\n\t        'size': 1024,\n\t        'returnType': 'byte',\n\t        'type': 'fft',\n\t        'smoothing': 0.8,\n\t        'maxDecibels': -30,\n\t        'minDecibels': -100\n\t    };\n\t    /**\n\t\t *  Possible return types of Tone.Analyser.analyse()\n\t\t *  @enum {String}\n\t\t */\n\t    Tone.Analyser.Type = {\n\t        Waveform: 'waveform',\n\t        FFT: 'fft'\n\t    };\n\t    /**\n\t\t *  Possible return types of Tone.Analyser.analyse(). \n\t\t *  byte values are between [0,255]. float values are between \n\t\t *  [-1, 1] when the type is set to \"waveform\" and between \n\t\t *  [minDecibels,maxDecibels] when the type is \"fft\".\n\t\t *  @enum {String}\n\t\t */\n\t    Tone.Analyser.ReturnType = {\n\t        Byte: 'byte',\n\t        Float: 'float'\n\t    };\n\t    /**\n\t\t *  Run the analysis given the current settings and return the \n\t\t *  result as a TypedArray. \n\t\t *  @returns {TypedArray}\n\t\t */\n\t    Tone.Analyser.prototype.analyse = function () {\n\t        if (this._type === Tone.Analyser.Type.FFT) {\n\t            if (this._returnType === Tone.Analyser.ReturnType.Byte) {\n\t                this._analyser.getByteFrequencyData(this._buffer);\n\t            } else {\n\t                this._analyser.getFloatFrequencyData(this._buffer);\n\t            }\n\t        } else if (this._type === Tone.Analyser.Type.Waveform) {\n\t            if (this._returnType === Tone.Analyser.ReturnType.Byte) {\n\t                this._analyser.getByteTimeDomainData(this._buffer);\n\t            } else {\n\t                this._analyser.getFloatTimeDomainData(this._buffer);\n\t            }\n\t        }\n\t        return this._buffer;\n\t    };\n\t    /**\n\t\t *  The size of analysis. This must be a power of two in the range 32 to 32768.\n\t\t *  @memberOf Tone.Analyser#\n\t\t *  @type {Number}\n\t\t *  @name size\n\t\t */\n\t    Object.defineProperty(Tone.Analyser.prototype, 'size', {\n\t        get: function () {\n\t            return this._analyser.frequencyBinCount;\n\t        },\n\t        set: function (size) {\n\t            this._analyser.fftSize = size * 2;\n\t            this.type = this._type;\n\t        }\n\t    });\n\t    /**\n\t\t *  The return type of Tone.Analyser.analyse(), either \"byte\" or \"float\". \n\t\t *  When the type is set to \"byte\" the range of values returned in the array\n\t\t *  are between 0-255. \"float\" values are between \n\t\t *  [-1, 1] when the type is set to \"waveform\" and between \n\t\t *  [minDecibels,maxDecibels] when the type is \"fft\".\n\t\t *  @memberOf Tone.Analyser#\n\t\t *  @type {String}\n\t\t *  @name type\n\t\t */\n\t    Object.defineProperty(Tone.Analyser.prototype, 'returnType', {\n\t        get: function () {\n\t            return this._returnType;\n\t        },\n\t        set: function (type) {\n\t            if (type === Tone.Analyser.ReturnType.Byte) {\n\t                this._buffer = new Uint8Array(this._analyser.frequencyBinCount);\n\t            } else if (type === Tone.Analyser.ReturnType.Float) {\n\t                this._buffer = new Float32Array(this._analyser.frequencyBinCount);\n\t            } else {\n\t                throw new TypeError('Tone.Analayser: invalid return type: ' + type);\n\t            }\n\t            this._returnType = type;\n\t        }\n\t    });\n\t    /**\n\t\t *  The analysis function returned by Tone.Analyser.analyse(), either \"fft\" or \"waveform\". \n\t\t *  @memberOf Tone.Analyser#\n\t\t *  @type {String}\n\t\t *  @name type\n\t\t */\n\t    Object.defineProperty(Tone.Analyser.prototype, 'type', {\n\t        get: function () {\n\t            return this._type;\n\t        },\n\t        set: function (type) {\n\t            if (type !== Tone.Analyser.Type.Waveform && type !== Tone.Analyser.Type.FFT) {\n\t                throw new TypeError('Tone.Analyser: invalid type: ' + type);\n\t            }\n\t            this._type = type;\n\t        }\n\t    });\n\t    /**\n\t\t *  0 represents no time averaging with the last analysis frame.\n\t\t *  @memberOf Tone.Analyser#\n\t\t *  @type {NormalRange}\n\t\t *  @name smoothing\n\t\t */\n\t    Object.defineProperty(Tone.Analyser.prototype, 'smoothing', {\n\t        get: function () {\n\t            return this._analyser.smoothingTimeConstant;\n\t        },\n\t        set: function (val) {\n\t            this._analyser.smoothingTimeConstant = val;\n\t        }\n\t    });\n\t    /**\n\t\t *  The smallest decibel value which is analysed by the FFT. \n\t\t *  @memberOf Tone.Analyser#\n\t\t *  @type {Decibels}\n\t\t *  @name minDecibels\n\t\t */\n\t    Object.defineProperty(Tone.Analyser.prototype, 'minDecibels', {\n\t        get: function () {\n\t            return this._analyser.minDecibels;\n\t        },\n\t        set: function (val) {\n\t            this._analyser.minDecibels = val;\n\t        }\n\t    });\n\t    /**\n\t\t *  The largest decibel value which is analysed by the FFT. \n\t\t *  @memberOf Tone.Analyser#\n\t\t *  @type {Decibels}\n\t\t *  @name maxDecibels\n\t\t */\n\t    Object.defineProperty(Tone.Analyser.prototype, 'maxDecibels', {\n\t        get: function () {\n\t            return this._analyser.maxDecibels;\n\t        },\n\t        set: function (val) {\n\t            this._analyser.maxDecibels = val;\n\t        }\n\t    });\n\t    /**\n\t\t *  Clean up.\n\t\t *  @return  {Tone.Analyser}  this\n\t\t */\n\t    Tone.Analyser.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._analyser.disconnect();\n\t        this._analyser = null;\n\t        this._buffer = null;\n\t    };\n\t    return Tone.Analyser;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Tone.Compressor is a thin wrapper around the Web Audio \n\t\t *         [DynamicsCompressorNode](http://webaudio.github.io/web-audio-api/#the-dynamicscompressornode-interface).\n\t\t *         Compression reduces the volume of loud sounds or amplifies quiet sounds \n\t\t *         by narrowing or \"compressing\" an audio signal's dynamic range. \n\t\t *         Read more on [Wikipedia](https://en.wikipedia.org/wiki/Dynamic_range_compression).\n\t\t *\n\t\t *  @extends {Tone}\n\t\t *  @constructor\n\t\t *  @param {Decibels|Object} [threshold] The value above which the compression starts to be applied.\n\t\t *  @param {Positive} [ratio] The gain reduction ratio.\n\t\t *  @example\n\t\t * var comp = new Tone.Compressor(-30, 3);\n\t\t */\n\t    Tone.Compressor = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'threshold',\n\t            'ratio'\n\t        ], Tone.Compressor.defaults);\n\t        /**\n\t\t\t *  the compressor node\n\t\t\t *  @type {DynamicsCompressorNode}\n\t\t\t *  @private\n\t\t\t */\n\t        this._compressor = this.input = this.output = this.context.createDynamicsCompressor();\n\t        /**\n\t\t\t *  the threshold vaue\n\t\t\t *  @type {Decibels}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.threshold = new Tone.Param({\n\t            'param': this._compressor.threshold,\n\t            'units': Tone.Type.Decibels,\n\t            'convert': false\n\t        });\n\t        /**\n\t\t\t *  The attack parameter\n\t\t\t *  @type {Time}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.attack = new Tone.Param(this._compressor.attack, Tone.Type.Time);\n\t        /**\n\t\t\t *  The release parameter\n\t\t\t *  @type {Time}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.release = new Tone.Param(this._compressor.release, Tone.Type.Time);\n\t        /**\n\t\t\t *  The knee parameter\n\t\t\t *  @type {Decibels}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.knee = new Tone.Param({\n\t            'param': this._compressor.knee,\n\t            'units': Tone.Type.Decibels,\n\t            'convert': false\n\t        });\n\t        /**\n\t\t\t *  The ratio value\n\t\t\t *  @type {Number}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.ratio = new Tone.Param({\n\t            'param': this._compressor.ratio,\n\t            'convert': false\n\t        });\n\t        //set the defaults\n\t        this._readOnly([\n\t            'knee',\n\t            'release',\n\t            'attack',\n\t            'ratio',\n\t            'threshold'\n\t        ]);\n\t        this.set(options);\n\t    };\n\t    Tone.extend(Tone.Compressor);\n\t    /**\n\t\t *  @static\n\t\t *  @const\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.Compressor.defaults = {\n\t        'ratio': 12,\n\t        'threshold': -24,\n\t        'release': 0.25,\n\t        'attack': 0.003,\n\t        'knee': 30\n\t    };\n\t    /**\n\t\t *  clean up\n\t\t *  @returns {Tone.Compressor} this\n\t\t */\n\t    Tone.Compressor.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._writable([\n\t            'knee',\n\t            'release',\n\t            'attack',\n\t            'ratio',\n\t            'threshold'\n\t        ]);\n\t        this._compressor.disconnect();\n\t        this._compressor = null;\n\t        this.attack.dispose();\n\t        this.attack = null;\n\t        this.release.dispose();\n\t        this.release = null;\n\t        this.threshold.dispose();\n\t        this.threshold = null;\n\t        this.ratio.dispose();\n\t        this.ratio = null;\n\t        this.knee.dispose();\n\t        this.knee = null;\n\t        return this;\n\t    };\n\t    return Tone.Compressor;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Add a signal and a number or two signals. When no value is\n\t\t *         passed into the constructor, Tone.Add will sum <code>input[0]</code>\n\t\t *         and <code>input[1]</code>. If a value is passed into the constructor, \n\t\t *         the it will be added to the input.\n\t\t *  \n\t\t *  @constructor\n\t\t *  @extends {Tone.Signal}\n\t\t *  @param {number=} value If no value is provided, Tone.Add will sum the first\n\t\t *                         and second inputs. \n\t\t *  @example\n\t\t * var signal = new Tone.Signal(2);\n\t\t * var add = new Tone.Add(2);\n\t\t * signal.connect(add);\n\t\t * //the output of add equals 4\n\t\t *  @example\n\t\t * //if constructed with no arguments\n\t\t * //it will add the first and second inputs\n\t\t * var add = new Tone.Add();\n\t\t * var sig0 = new Tone.Signal(3).connect(add, 0, 0);\n\t\t * var sig1 = new Tone.Signal(4).connect(add, 0, 1);\n\t\t * //the output of add equals 7. \n\t\t */\n\t    Tone.Add = function (value) {\n\t        this.createInsOuts(2, 0);\n\t        /**\n\t\t\t *  the summing node\n\t\t\t *  @type {GainNode}\n\t\t\t *  @private\n\t\t\t */\n\t        this._sum = this.input[0] = this.input[1] = this.output = new Tone.Gain();\n\t        /**\n\t\t\t *  @private\n\t\t\t *  @type {Tone.Signal}\n\t\t\t */\n\t        this._param = this.input[1] = new Tone.Signal(value);\n\t        this._param.connect(this._sum);\n\t    };\n\t    Tone.extend(Tone.Add, Tone.Signal);\n\t    /**\n\t\t *  Clean up.\n\t\t *  @returns {Tone.Add} this\n\t\t */\n\t    Tone.Add.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._sum.dispose();\n\t        this._sum = null;\n\t        this._param.dispose();\n\t        this._param = null;\n\t        return this;\n\t    };\n\t    return Tone.Add;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  Multiply two incoming signals. Or, if a number is given in the constructor, \n\t\t *          multiplies the incoming signal by that value. \n\t\t *\n\t\t *  @constructor\n\t\t *  @extends {Tone.Signal}\n\t\t *  @param {number=} value Constant value to multiple. If no value is provided,\n\t\t *                         it will return the product of the first and second inputs\n\t\t *  @example\n\t\t * var mult = new Tone.Multiply();\n\t\t * var sigA = new Tone.Signal(3);\n\t\t * var sigB = new Tone.Signal(4);\n\t\t * sigA.connect(mult, 0, 0);\n\t\t * sigB.connect(mult, 0, 1);\n\t\t * //output of mult is 12.\n\t\t *  @example\n\t\t * var mult = new Tone.Multiply(10);\n\t\t * var sig = new Tone.Signal(2).connect(mult);\n\t\t * //the output of mult is 20. \n\t\t */\n\t    Tone.Multiply = function (value) {\n\t        this.createInsOuts(2, 0);\n\t        /**\n\t\t\t *  the input node is the same as the output node\n\t\t\t *  it is also the GainNode which handles the scaling of incoming signal\n\t\t\t *  \n\t\t\t *  @type {GainNode}\n\t\t\t *  @private\n\t\t\t */\n\t        this._mult = this.input[0] = this.output = new Tone.Gain();\n\t        /**\n\t\t\t *  the scaling parameter\n\t\t\t *  @type {AudioParam}\n\t\t\t *  @private\n\t\t\t */\n\t        this._param = this.input[1] = this.output.gain;\n\t        this._param.value = this.defaultArg(value, 0);\n\t    };\n\t    Tone.extend(Tone.Multiply, Tone.Signal);\n\t    /**\n\t\t *  clean up\n\t\t *  @returns {Tone.Multiply} this\n\t\t */\n\t    Tone.Multiply.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._mult.dispose();\n\t        this._mult = null;\n\t        this._param = null;\n\t        return this;\n\t    };\n\t    return Tone.Multiply;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Negate the incoming signal. i.e. an input signal of 10 will output -10\n\t\t *\n\t\t *  @constructor\n\t\t *  @extends {Tone.SignalBase}\n\t\t *  @example\n\t\t * var neg = new Tone.Negate();\n\t\t * var sig = new Tone.Signal(-2).connect(neg);\n\t\t * //output of neg is positive 2. \n\t\t */\n\t    Tone.Negate = function () {\n\t        /**\n\t\t\t *  negation is done by multiplying by -1\n\t\t\t *  @type {Tone.Multiply}\n\t\t\t *  @private\n\t\t\t */\n\t        this._multiply = this.input = this.output = new Tone.Multiply(-1);\n\t    };\n\t    Tone.extend(Tone.Negate, Tone.SignalBase);\n\t    /**\n\t\t *  clean up\n\t\t *  @returns {Tone.Negate} this\n\t\t */\n\t    Tone.Negate.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._multiply.dispose();\n\t        this._multiply = null;\n\t        return this;\n\t    };\n\t    return Tone.Negate;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Subtract the signal connected to <code>input[1]</code> from the signal connected \n\t\t *         to <code>input[0]</code>. If an argument is provided in the constructor, the \n\t\t *         signals <code>.value</code> will be subtracted from the incoming signal.\n\t\t *\n\t\t *  @extends {Tone.Signal}\n\t\t *  @constructor\n\t\t *  @param {number=} value The value to subtract from the incoming signal. If the value\n\t\t *                         is omitted, it will subtract the second signal from the first.\n\t\t *  @example\n\t\t * var sub = new Tone.Subtract(1);\n\t\t * var sig = new Tone.Signal(4).connect(sub);\n\t\t * //the output of sub is 3. \n\t\t *  @example\n\t\t * var sub = new Tone.Subtract();\n\t\t * var sigA = new Tone.Signal(10);\n\t\t * var sigB = new Tone.Signal(2.5);\n\t\t * sigA.connect(sub, 0, 0);\n\t\t * sigB.connect(sub, 0, 1);\n\t\t * //output of sub is 7.5\n\t\t */\n\t    Tone.Subtract = function (value) {\n\t        this.createInsOuts(2, 0);\n\t        /**\n\t\t\t *  the summing node\n\t\t\t *  @type {GainNode}\n\t\t\t *  @private\n\t\t\t */\n\t        this._sum = this.input[0] = this.output = new Tone.Gain();\n\t        /**\n\t\t\t *  negate the input of the second input before connecting it\n\t\t\t *  to the summing node.\n\t\t\t *  @type {Tone.Negate}\n\t\t\t *  @private\n\t\t\t */\n\t        this._neg = new Tone.Negate();\n\t        /**\n\t\t\t *  the node where the value is set\n\t\t\t *  @private\n\t\t\t *  @type {Tone.Signal}\n\t\t\t */\n\t        this._param = this.input[1] = new Tone.Signal(value);\n\t        this._param.chain(this._neg, this._sum);\n\t    };\n\t    Tone.extend(Tone.Subtract, Tone.Signal);\n\t    /**\n\t\t *  Clean up.\n\t\t *  @returns {Tone.SignalBase} this\n\t\t */\n\t    Tone.Subtract.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._neg.dispose();\n\t        this._neg = null;\n\t        this._sum.disconnect();\n\t        this._sum = null;\n\t        this._param.dispose();\n\t        this._param = null;\n\t        return this;\n\t    };\n\t    return Tone.Subtract;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  GreaterThanZero outputs 1 when the input is strictly greater than zero\n\t\t *  \n\t\t *  @constructor\n\t\t *  @extends {Tone.SignalBase}\n\t\t *  @example\n\t\t * var gt0 = new Tone.GreaterThanZero();\n\t\t * var sig = new Tone.Signal(0.01).connect(gt0);\n\t\t * //the output of gt0 is 1. \n\t\t * sig.value = 0;\n\t\t * //the output of gt0 is 0. \n\t\t */\n\t    Tone.GreaterThanZero = function () {\n\t        /**\n\t\t\t *  @type {Tone.WaveShaper}\n\t\t\t *  @private\n\t\t\t */\n\t        this._thresh = this.output = new Tone.WaveShaper(function (val) {\n\t            if (val <= 0) {\n\t                return 0;\n\t            } else {\n\t                return 1;\n\t            }\n\t        }, 127);\n\t        /**\n\t\t\t *  scale the first thresholded signal by a large value.\n\t\t\t *  this will help with values which are very close to 0\n\t\t\t *  @type {Tone.Multiply}\n\t\t\t *  @private\n\t\t\t */\n\t        this._scale = this.input = new Tone.Multiply(10000);\n\t        //connections\n\t        this._scale.connect(this._thresh);\n\t    };\n\t    Tone.extend(Tone.GreaterThanZero, Tone.SignalBase);\n\t    /**\n\t\t *  dispose method\n\t\t *  @returns {Tone.GreaterThanZero} this\n\t\t */\n\t    Tone.GreaterThanZero.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._scale.dispose();\n\t        this._scale = null;\n\t        this._thresh.dispose();\n\t        this._thresh = null;\n\t        return this;\n\t    };\n\t    return Tone.GreaterThanZero;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  Output 1 if the signal is greater than the value, otherwise outputs 0.\n\t\t *          can compare two signals or a signal and a number. \n\t\t *  \n\t\t *  @constructor\n\t\t *  @extends {Tone.Signal}\n\t\t *  @param {number} [value=0] the value to compare to the incoming signal\n\t\t *  @example\n\t\t * var gt = new Tone.GreaterThan(2);\n\t\t * var sig = new Tone.Signal(4).connect(gt);\n\t\t * //output of gt is equal 1. \n\t\t */\n\t    Tone.GreaterThan = function (value) {\n\t        this.createInsOuts(2, 0);\n\t        /**\n\t\t\t *  subtract the amount from the incoming signal\n\t\t\t *  @type {Tone.Subtract}\n\t\t\t *  @private\n\t\t\t */\n\t        this._param = this.input[0] = new Tone.Subtract(value);\n\t        this.input[1] = this._param.input[1];\n\t        /**\n\t\t\t *  compare that amount to zero\n\t\t\t *  @type {Tone.GreaterThanZero}\n\t\t\t *  @private\n\t\t\t */\n\t        this._gtz = this.output = new Tone.GreaterThanZero();\n\t        //connect\n\t        this._param.connect(this._gtz);\n\t    };\n\t    Tone.extend(Tone.GreaterThan, Tone.Signal);\n\t    /**\n\t\t *  dispose method\n\t\t *  @returns {Tone.GreaterThan} this\n\t\t */\n\t    Tone.GreaterThan.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._param.dispose();\n\t        this._param = null;\n\t        this._gtz.dispose();\n\t        this._gtz = null;\n\t        return this;\n\t    };\n\t    return Tone.GreaterThan;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Return the absolute value of an incoming signal. \n\t\t *  \n\t\t *  @constructor\n\t\t *  @extends {Tone.SignalBase}\n\t\t *  @example\n\t\t * var signal = new Tone.Signal(-1);\n\t\t * var abs = new Tone.Abs();\n\t\t * signal.connect(abs);\n\t\t * //the output of abs is 1. \n\t\t */\n\t    Tone.Abs = function () {\n\t        /**\n\t\t\t *  @type {Tone.LessThan}\n\t\t\t *  @private\n\t\t\t */\n\t        this._abs = this.input = this.output = new Tone.WaveShaper(function (val) {\n\t            if (val === 0) {\n\t                return 0;\n\t            } else {\n\t                return Math.abs(val);\n\t            }\n\t        }, 127);\n\t    };\n\t    Tone.extend(Tone.Abs, Tone.SignalBase);\n\t    /**\n\t\t *  dispose method\n\t\t *  @returns {Tone.Abs} this\n\t\t */\n\t    Tone.Abs.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._abs.dispose();\n\t        this._abs = null;\n\t        return this;\n\t    };\n\t    return Tone.Abs;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Signal-rate modulo operator. Only works in AudioRange [-1, 1] and for modulus\n\t\t *         values in the NormalRange. \n\t\t *\n\t\t *  @constructor\n\t\t *  @extends {Tone.SignalBase}\n\t\t *  @param {NormalRange} modulus The modulus to apply.\n\t\t *  @example\n\t\t * var mod = new Tone.Modulo(0.2)\n\t\t * var sig = new Tone.Signal(0.5).connect(mod);\n\t\t * //mod outputs 0.1\n\t\t */\n\t    Tone.Modulo = function (modulus) {\n\t        this.createInsOuts(1, 0);\n\t        /**\n\t\t\t *  A waveshaper gets the integer multiple of \n\t\t\t *  the input signal and the modulus.\n\t\t\t *  @private\n\t\t\t *  @type {Tone.WaveShaper}\n\t\t\t */\n\t        this._shaper = new Tone.WaveShaper(Math.pow(2, 16));\n\t        /**\n\t\t\t *  the integer multiple is multiplied by the modulus\n\t\t\t *  @type  {Tone.Multiply}\n\t\t\t *  @private\n\t\t\t */\n\t        this._multiply = new Tone.Multiply();\n\t        /**\n\t\t\t *  and subtracted from the input signal\n\t\t\t *  @type  {Tone.Subtract}\n\t\t\t *  @private\n\t\t\t */\n\t        this._subtract = this.output = new Tone.Subtract();\n\t        /**\n\t\t\t *  the modulus signal\n\t\t\t *  @type  {Tone.Signal}\n\t\t\t *  @private\n\t\t\t */\n\t        this._modSignal = new Tone.Signal(modulus);\n\t        //connections\n\t        this.input.fan(this._shaper, this._subtract);\n\t        this._modSignal.connect(this._multiply, 0, 0);\n\t        this._shaper.connect(this._multiply, 0, 1);\n\t        this._multiply.connect(this._subtract, 0, 1);\n\t        this._setWaveShaper(modulus);\n\t    };\n\t    Tone.extend(Tone.Modulo, Tone.SignalBase);\n\t    /**\n\t\t *  @param  {number}  mod  the modulus to apply\n\t\t *  @private\n\t\t */\n\t    Tone.Modulo.prototype._setWaveShaper = function (mod) {\n\t        this._shaper.setMap(function (val) {\n\t            var multiple = Math.floor((val + 0.0001) / mod);\n\t            return multiple;\n\t        });\n\t    };\n\t    /**\n\t\t * The modulus value.\n\t\t * @memberOf Tone.Modulo#\n\t\t * @type {NormalRange}\n\t\t * @name value\n\t\t */\n\t    Object.defineProperty(Tone.Modulo.prototype, 'value', {\n\t        get: function () {\n\t            return this._modSignal.value;\n\t        },\n\t        set: function (mod) {\n\t            this._modSignal.value = mod;\n\t            this._setWaveShaper(mod);\n\t        }\n\t    });\n\t    /**\n\t\t * clean up\n\t\t *  @returns {Tone.Modulo} this\n\t\t */\n\t    Tone.Modulo.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._shaper.dispose();\n\t        this._shaper = null;\n\t        this._multiply.dispose();\n\t        this._multiply = null;\n\t        this._subtract.dispose();\n\t        this._subtract = null;\n\t        this._modSignal.dispose();\n\t        this._modSignal = null;\n\t        return this;\n\t    };\n\t    return Tone.Modulo;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class AudioToGain converts an input in AudioRange [-1,1] to NormalRange [0,1]. \n\t\t *         See Tone.GainToAudio.\n\t\t *\n\t\t *  @extends {Tone.SignalBase}\n\t\t *  @constructor\n\t\t *  @example\n\t\t *  var a2g = new Tone.AudioToGain();\n\t\t */\n\t    Tone.AudioToGain = function () {\n\t        /**\n\t\t\t *  @type {WaveShaperNode}\n\t\t\t *  @private\n\t\t\t */\n\t        this._norm = this.input = this.output = new Tone.WaveShaper(function (x) {\n\t            return (x + 1) / 2;\n\t        });\n\t    };\n\t    Tone.extend(Tone.AudioToGain, Tone.SignalBase);\n\t    /**\n\t\t *  clean up\n\t\t *  @returns {Tone.AudioToGain} this\n\t\t */\n\t    Tone.AudioToGain.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._norm.dispose();\n\t        this._norm = null;\n\t        return this;\n\t    };\n\t    return Tone.AudioToGain;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Evaluate an expression at audio rate. <br><br>\n\t\t *         Parsing code modified from https://code.google.com/p/tapdigit/\n\t\t *         Copyright 2011 2012 Ariya Hidayat, New BSD License\n\t\t *\n\t\t *  @extends {Tone.SignalBase}\n\t\t *  @constructor\n\t\t *  @param {string} expr the expression to generate\n\t\t *  @example\n\t\t * //adds the signals from input[0] and input[1].\n\t\t * var expr = new Tone.Expr(\"$0 + $1\");\n\t\t */\n\t    Tone.Expr = function () {\n\t        var expr = this._replacements(Array.prototype.slice.call(arguments));\n\t        var inputCount = this._parseInputs(expr);\n\t        /**\n\t\t\t *  hold onto all of the nodes for disposal\n\t\t\t *  @type {Array}\n\t\t\t *  @private\n\t\t\t */\n\t        this._nodes = [];\n\t        /**\n\t\t\t *  The inputs. The length is determined by the expression. \n\t\t\t *  @type {Array}\n\t\t\t */\n\t        this.input = new Array(inputCount);\n\t        //create a gain for each input\n\t        for (var i = 0; i < inputCount; i++) {\n\t            this.input[i] = this.context.createGain();\n\t        }\n\t        //parse the syntax tree\n\t        var tree = this._parseTree(expr);\n\t        //evaluate the results\n\t        var result;\n\t        try {\n\t            result = this._eval(tree);\n\t        } catch (e) {\n\t            this._disposeNodes();\n\t            throw new Error('Tone.Expr: Could evaluate expression: ' + expr);\n\t        }\n\t        /**\n\t\t\t *  The output node is the result of the expression\n\t\t\t *  @type {Tone}\n\t\t\t */\n\t        this.output = result;\n\t    };\n\t    Tone.extend(Tone.Expr, Tone.SignalBase);\n\t    //some helpers to cut down the amount of code\n\t    function applyBinary(Constructor, args, self) {\n\t        var op = new Constructor();\n\t        self._eval(args[0]).connect(op, 0, 0);\n\t        self._eval(args[1]).connect(op, 0, 1);\n\t        return op;\n\t    }\n\t    function applyUnary(Constructor, args, self) {\n\t        var op = new Constructor();\n\t        self._eval(args[0]).connect(op, 0, 0);\n\t        return op;\n\t    }\n\t    function getNumber(arg) {\n\t        return arg ? parseFloat(arg) : undefined;\n\t    }\n\t    function literalNumber(arg) {\n\t        return arg && arg.args ? parseFloat(arg.args) : undefined;\n\t    }\n\t    /*\n\t\t *  the Expressions that Tone.Expr can parse.\n\t\t *\n\t\t *  each expression belongs to a group and contains a regexp \n\t\t *  for selecting the operator as well as that operators method\n\t\t *  \n\t\t *  @type {Object}\n\t\t *  @private\n\t\t */\n\t    Tone.Expr._Expressions = {\n\t        //values\n\t        'value': {\n\t            'signal': {\n\t                regexp: /^\\d+\\.\\d+|^\\d+/,\n\t                method: function (arg) {\n\t                    var sig = new Tone.Signal(getNumber(arg));\n\t                    return sig;\n\t                }\n\t            },\n\t            'input': {\n\t                regexp: /^\\$\\d/,\n\t                method: function (arg, self) {\n\t                    return self.input[getNumber(arg.substr(1))];\n\t                }\n\t            }\n\t        },\n\t        //syntactic glue\n\t        'glue': {\n\t            '(': { regexp: /^\\(/ },\n\t            ')': { regexp: /^\\)/ },\n\t            ',': { regexp: /^,/ }\n\t        },\n\t        //functions\n\t        'func': {\n\t            'abs': {\n\t                regexp: /^abs/,\n\t                method: applyUnary.bind(this, Tone.Abs)\n\t            },\n\t            'mod': {\n\t                regexp: /^mod/,\n\t                method: function (args, self) {\n\t                    var modulus = literalNumber(args[1]);\n\t                    var op = new Tone.Modulo(modulus);\n\t                    self._eval(args[0]).connect(op);\n\t                    return op;\n\t                }\n\t            },\n\t            'pow': {\n\t                regexp: /^pow/,\n\t                method: function (args, self) {\n\t                    var exp = literalNumber(args[1]);\n\t                    var op = new Tone.Pow(exp);\n\t                    self._eval(args[0]).connect(op);\n\t                    return op;\n\t                }\n\t            },\n\t            'a2g': {\n\t                regexp: /^a2g/,\n\t                method: function (args, self) {\n\t                    var op = new Tone.AudioToGain();\n\t                    self._eval(args[0]).connect(op);\n\t                    return op;\n\t                }\n\t            }\n\t        },\n\t        //binary expressions\n\t        'binary': {\n\t            '+': {\n\t                regexp: /^\\+/,\n\t                precedence: 1,\n\t                method: applyBinary.bind(this, Tone.Add)\n\t            },\n\t            '-': {\n\t                regexp: /^\\-/,\n\t                precedence: 1,\n\t                method: function (args, self) {\n\t                    //both unary and binary op\n\t                    if (args.length === 1) {\n\t                        return applyUnary(Tone.Negate, args, self);\n\t                    } else {\n\t                        return applyBinary(Tone.Subtract, args, self);\n\t                    }\n\t                }\n\t            },\n\t            '*': {\n\t                regexp: /^\\*/,\n\t                precedence: 0,\n\t                method: applyBinary.bind(this, Tone.Multiply)\n\t            }\n\t        },\n\t        //unary expressions\n\t        'unary': {\n\t            '-': {\n\t                regexp: /^\\-/,\n\t                method: applyUnary.bind(this, Tone.Negate)\n\t            },\n\t            '!': {\n\t                regexp: /^\\!/,\n\t                method: applyUnary.bind(this, Tone.NOT)\n\t            }\n\t        }\n\t    };\n\t    /**\n\t\t *  @param   {string} expr the expression string\n\t\t *  @return  {number}      the input count\n\t\t *  @private\n\t\t */\n\t    Tone.Expr.prototype._parseInputs = function (expr) {\n\t        var inputArray = expr.match(/\\$\\d/g);\n\t        var inputMax = 0;\n\t        if (inputArray !== null) {\n\t            for (var i = 0; i < inputArray.length; i++) {\n\t                var inputNum = parseInt(inputArray[i].substr(1)) + 1;\n\t                inputMax = Math.max(inputMax, inputNum);\n\t            }\n\t        }\n\t        return inputMax;\n\t    };\n\t    /**\n\t\t *  @param   {Array} args \tan array of arguments\n\t\t *  @return  {string} the results of the replacements being replaced\n\t\t *  @private\n\t\t */\n\t    Tone.Expr.prototype._replacements = function (args) {\n\t        var expr = args.shift();\n\t        for (var i = 0; i < args.length; i++) {\n\t            expr = expr.replace(/\\%/i, args[i]);\n\t        }\n\t        return expr;\n\t    };\n\t    /**\n\t\t *  tokenize the expression based on the Expressions object\n\t\t *  @param   {string} expr \n\t\t *  @return  {Object}      returns two methods on the tokenized list, next and peek\n\t\t *  @private\n\t\t */\n\t    Tone.Expr.prototype._tokenize = function (expr) {\n\t        var position = -1;\n\t        var tokens = [];\n\t        while (expr.length > 0) {\n\t            expr = expr.trim();\n\t            var token = getNextToken(expr);\n\t            tokens.push(token);\n\t            expr = expr.substr(token.value.length);\n\t        }\n\t        function getNextToken(expr) {\n\t            for (var type in Tone.Expr._Expressions) {\n\t                var group = Tone.Expr._Expressions[type];\n\t                for (var opName in group) {\n\t                    var op = group[opName];\n\t                    var reg = op.regexp;\n\t                    var match = expr.match(reg);\n\t                    if (match !== null) {\n\t                        return {\n\t                            type: type,\n\t                            value: match[0],\n\t                            method: op.method\n\t                        };\n\t                    }\n\t                }\n\t            }\n\t            throw new SyntaxError('Tone.Expr: Unexpected token ' + expr);\n\t        }\n\t        return {\n\t            next: function () {\n\t                return tokens[++position];\n\t            },\n\t            peek: function () {\n\t                return tokens[position + 1];\n\t            }\n\t        };\n\t    };\n\t    /**\n\t\t *  recursively parse the string expression into a syntax tree\n\t\t *  \n\t\t *  @param   {string} expr \n\t\t *  @return  {Object}\n\t\t *  @private\n\t\t */\n\t    Tone.Expr.prototype._parseTree = function (expr) {\n\t        var lexer = this._tokenize(expr);\n\t        var isUndef = this.isUndef.bind(this);\n\t        function matchSyntax(token, syn) {\n\t            return !isUndef(token) && token.type === 'glue' && token.value === syn;\n\t        }\n\t        function matchGroup(token, groupName, prec) {\n\t            var ret = false;\n\t            var group = Tone.Expr._Expressions[groupName];\n\t            if (!isUndef(token)) {\n\t                for (var opName in group) {\n\t                    var op = group[opName];\n\t                    if (op.regexp.test(token.value)) {\n\t                        if (!isUndef(prec)) {\n\t                            if (op.precedence === prec) {\n\t                                return true;\n\t                            }\n\t                        } else {\n\t                            return true;\n\t                        }\n\t                    }\n\t                }\n\t            }\n\t            return ret;\n\t        }\n\t        function parseExpression(precedence) {\n\t            if (isUndef(precedence)) {\n\t                precedence = 5;\n\t            }\n\t            var expr;\n\t            if (precedence < 0) {\n\t                expr = parseUnary();\n\t            } else {\n\t                expr = parseExpression(precedence - 1);\n\t            }\n\t            var token = lexer.peek();\n\t            while (matchGroup(token, 'binary', precedence)) {\n\t                token = lexer.next();\n\t                expr = {\n\t                    operator: token.value,\n\t                    method: token.method,\n\t                    args: [\n\t                        expr,\n\t                        parseExpression(precedence - 1)\n\t                    ]\n\t                };\n\t                token = lexer.peek();\n\t            }\n\t            return expr;\n\t        }\n\t        function parseUnary() {\n\t            var token, expr;\n\t            token = lexer.peek();\n\t            if (matchGroup(token, 'unary')) {\n\t                token = lexer.next();\n\t                expr = parseUnary();\n\t                return {\n\t                    operator: token.value,\n\t                    method: token.method,\n\t                    args: [expr]\n\t                };\n\t            }\n\t            return parsePrimary();\n\t        }\n\t        function parsePrimary() {\n\t            var token, expr;\n\t            token = lexer.peek();\n\t            if (isUndef(token)) {\n\t                throw new SyntaxError('Tone.Expr: Unexpected termination of expression');\n\t            }\n\t            if (token.type === 'func') {\n\t                token = lexer.next();\n\t                return parseFunctionCall(token);\n\t            }\n\t            if (token.type === 'value') {\n\t                token = lexer.next();\n\t                return {\n\t                    method: token.method,\n\t                    args: token.value\n\t                };\n\t            }\n\t            if (matchSyntax(token, '(')) {\n\t                lexer.next();\n\t                expr = parseExpression();\n\t                token = lexer.next();\n\t                if (!matchSyntax(token, ')')) {\n\t                    throw new SyntaxError('Expected )');\n\t                }\n\t                return expr;\n\t            }\n\t            throw new SyntaxError('Tone.Expr: Parse error, cannot process token ' + token.value);\n\t        }\n\t        function parseFunctionCall(func) {\n\t            var token, args = [];\n\t            token = lexer.next();\n\t            if (!matchSyntax(token, '(')) {\n\t                throw new SyntaxError('Tone.Expr: Expected ( in a function call \"' + func.value + '\"');\n\t            }\n\t            token = lexer.peek();\n\t            if (!matchSyntax(token, ')')) {\n\t                args = parseArgumentList();\n\t            }\n\t            token = lexer.next();\n\t            if (!matchSyntax(token, ')')) {\n\t                throw new SyntaxError('Tone.Expr: Expected ) in a function call \"' + func.value + '\"');\n\t            }\n\t            return {\n\t                method: func.method,\n\t                args: args,\n\t                name: name\n\t            };\n\t        }\n\t        function parseArgumentList() {\n\t            var token, expr, args = [];\n\t            while (true) {\n\t                expr = parseExpression();\n\t                if (isUndef(expr)) {\n\t                    // TODO maybe throw exception?\n\t                    break;\n\t                }\n\t                args.push(expr);\n\t                token = lexer.peek();\n\t                if (!matchSyntax(token, ',')) {\n\t                    break;\n\t                }\n\t                lexer.next();\n\t            }\n\t            return args;\n\t        }\n\t        return parseExpression();\n\t    };\n\t    /**\n\t\t *  recursively evaluate the expression tree\n\t\t *  @param   {Object} tree \n\t\t *  @return  {AudioNode}      the resulting audio node from the expression\n\t\t *  @private\n\t\t */\n\t    Tone.Expr.prototype._eval = function (tree) {\n\t        if (!this.isUndef(tree)) {\n\t            var node = tree.method(tree.args, this);\n\t            this._nodes.push(node);\n\t            return node;\n\t        }\n\t    };\n\t    /**\n\t\t *  dispose all the nodes\n\t\t *  @private\n\t\t */\n\t    Tone.Expr.prototype._disposeNodes = function () {\n\t        for (var i = 0; i < this._nodes.length; i++) {\n\t            var node = this._nodes[i];\n\t            if (this.isFunction(node.dispose)) {\n\t                node.dispose();\n\t            } else if (this.isFunction(node.disconnect)) {\n\t                node.disconnect();\n\t            }\n\t            node = null;\n\t            this._nodes[i] = null;\n\t        }\n\t        this._nodes = null;\n\t    };\n\t    /**\n\t\t *  clean up\n\t\t */\n\t    Tone.Expr.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._disposeNodes();\n\t    };\n\t    return Tone.Expr;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Convert an incoming signal between 0, 1 to an equal power gain scale.\n\t\t *\n\t\t *  @extends {Tone.SignalBase}\n\t\t *  @constructor\n\t\t *  @example\n\t\t * var eqPowGain = new Tone.EqualPowerGain();\n\t\t */\n\t    Tone.EqualPowerGain = function () {\n\t        /**\n\t\t\t *  @type {Tone.WaveShaper}\n\t\t\t *  @private\n\t\t\t */\n\t        this._eqPower = this.input = this.output = new Tone.WaveShaper(function (val) {\n\t            if (Math.abs(val) < 0.001) {\n\t                //should output 0 when input is 0\n\t                return 0;\n\t            } else {\n\t                return this.equalPowerScale(val);\n\t            }\n\t        }.bind(this), 4096);\n\t    };\n\t    Tone.extend(Tone.EqualPowerGain, Tone.SignalBase);\n\t    /**\n\t\t *  clean up\n\t\t *  @returns {Tone.EqualPowerGain} this\n\t\t */\n\t    Tone.EqualPowerGain.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._eqPower.dispose();\n\t        this._eqPower = null;\n\t        return this;\n\t    };\n\t    return Tone.EqualPowerGain;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t * @class  Tone.Crossfade provides equal power fading between two inputs. \n\t\t *         More on crossfading technique [here](https://en.wikipedia.org/wiki/Fade_(audio_engineering)#Crossfading).\n\t\t *\n\t\t * @constructor\n\t\t * @extends {Tone}\n\t\t * @param {NormalRange} [initialFade=0.5]\n\t\t * @example\n\t\t * var crossFade = new Tone.CrossFade(0.5);\n\t\t * //connect effect A to crossfade from\n\t\t * //effect output 0 to crossfade input 0\n\t\t * effectA.connect(crossFade, 0, 0);\n\t\t * //connect effect B to crossfade from\n\t\t * //effect output 0 to crossfade input 1\n\t\t * effectB.connect(crossFade, 0, 1);\n\t\t * crossFade.fade.value = 0;\n\t\t * // ^ only effectA is output\n\t\t * crossFade.fade.value = 1;\n\t\t * // ^ only effectB is output\n\t\t * crossFade.fade.value = 0.5;\n\t\t * // ^ the two signals are mixed equally. \n\t\t */\n\t    Tone.CrossFade = function (initialFade) {\n\t        this.createInsOuts(2, 1);\n\t        /**\n\t\t\t *  Alias for <code>input[0]</code>. \n\t\t\t *  @type {Tone.Gain}\n\t\t\t */\n\t        this.a = this.input[0] = new Tone.Gain();\n\t        /**\n\t\t\t *  Alias for <code>input[1]</code>. \n\t\t\t *  @type {Tone.Gain}\n\t\t\t */\n\t        this.b = this.input[1] = new Tone.Gain();\n\t        /**\n\t\t\t * \tThe mix between the two inputs. A fade value of 0\n\t\t\t * \twill output 100% <code>input[0]</code> and \n\t\t\t * \ta value of 1 will output 100% <code>input[1]</code>. \n\t\t\t *  @type {NormalRange}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.fade = new Tone.Signal(this.defaultArg(initialFade, 0.5), Tone.Type.NormalRange);\n\t        /**\n\t\t\t *  equal power gain cross fade\n\t\t\t *  @private\n\t\t\t *  @type {Tone.EqualPowerGain}\n\t\t\t */\n\t        this._equalPowerA = new Tone.EqualPowerGain();\n\t        /**\n\t\t\t *  equal power gain cross fade\n\t\t\t *  @private\n\t\t\t *  @type {Tone.EqualPowerGain}\n\t\t\t */\n\t        this._equalPowerB = new Tone.EqualPowerGain();\n\t        /**\n\t\t\t *  invert the incoming signal\n\t\t\t *  @private\n\t\t\t *  @type {Tone}\n\t\t\t */\n\t        this._invert = new Tone.Expr('1 - $0');\n\t        //connections\n\t        this.a.connect(this.output);\n\t        this.b.connect(this.output);\n\t        this.fade.chain(this._equalPowerB, this.b.gain);\n\t        this.fade.chain(this._invert, this._equalPowerA, this.a.gain);\n\t        this._readOnly('fade');\n\t    };\n\t    Tone.extend(Tone.CrossFade);\n\t    /**\n\t\t *  clean up\n\t\t *  @returns {Tone.CrossFade} this\n\t\t */\n\t    Tone.CrossFade.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._writable('fade');\n\t        this._equalPowerA.dispose();\n\t        this._equalPowerA = null;\n\t        this._equalPowerB.dispose();\n\t        this._equalPowerB = null;\n\t        this.fade.dispose();\n\t        this.fade = null;\n\t        this._invert.dispose();\n\t        this._invert = null;\n\t        this.a.dispose();\n\t        this.a = null;\n\t        this.b.dispose();\n\t        this.b = null;\n\t        return this;\n\t    };\n\t    return Tone.CrossFade;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  Tone.Filter is a filter which allows for all of the same native methods\n\t\t *          as the [BiquadFilterNode](http://webaudio.github.io/web-audio-api/#the-biquadfilternode-interface). \n\t\t *          Tone.Filter has the added ability to set the filter rolloff at -12 \n\t\t *          (default), -24 and -48. \n\t\t *\n\t\t *  @constructor\n\t\t *  @extends {Tone}\n\t\t *  @param {Frequency|Object} [frequency] The cutoff frequency of the filter.\n\t\t *  @param {string=} type The type of filter.\n\t\t *  @param {number=} rolloff The drop in decibels per octave after the cutoff frequency.\n\t\t *                            3 choices: -12, -24, and -48\n\t\t *  @example\n\t\t *  var filter = new Tone.Filter(200, \"highpass\");\n\t\t */\n\t    Tone.Filter = function () {\n\t        this.createInsOuts(1, 1);\n\t        var options = this.optionsObject(arguments, [\n\t            'frequency',\n\t            'type',\n\t            'rolloff'\n\t        ], Tone.Filter.defaults);\n\t        /**\n\t\t\t *  the filter(s)\n\t\t\t *  @type {Array}\n\t\t\t *  @private\n\t\t\t */\n\t        this._filters = [];\n\t        /**\n\t\t\t *  The cutoff frequency of the filter. \n\t\t\t *  @type {Frequency}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.frequency = new Tone.Signal(options.frequency, Tone.Type.Frequency);\n\t        /**\n\t\t\t *  The detune parameter\n\t\t\t *  @type {Cents}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.detune = new Tone.Signal(0, Tone.Type.Cents);\n\t        /**\n\t\t\t *  The gain of the filter, only used in certain filter types\n\t\t\t *  @type {Number}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.gain = new Tone.Signal({\n\t            'value': options.gain,\n\t            'convert': false\n\t        });\n\t        /**\n\t\t\t *  The Q or Quality of the filter\n\t\t\t *  @type {Positive}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.Q = new Tone.Signal(options.Q);\n\t        /**\n\t\t\t *  the type of the filter\n\t\t\t *  @type {string}\n\t\t\t *  @private\n\t\t\t */\n\t        this._type = options.type;\n\t        /**\n\t\t\t *  the rolloff value of the filter\n\t\t\t *  @type {number}\n\t\t\t *  @private\n\t\t\t */\n\t        this._rolloff = options.rolloff;\n\t        //set the rolloff;\n\t        this.rolloff = options.rolloff;\n\t        this._readOnly([\n\t            'detune',\n\t            'frequency',\n\t            'gain',\n\t            'Q'\n\t        ]);\n\t    };\n\t    Tone.extend(Tone.Filter);\n\t    /**\n\t\t *  the default parameters\n\t\t *\n\t\t *  @static\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.Filter.defaults = {\n\t        'type': 'lowpass',\n\t        'frequency': 350,\n\t        'rolloff': -12,\n\t        'Q': 1,\n\t        'gain': 0\n\t    };\n\t    /**\n\t\t * The type of the filter. Types: \"lowpass\", \"highpass\", \n\t\t * \"bandpass\", \"lowshelf\", \"highshelf\", \"notch\", \"allpass\", or \"peaking\". \n\t\t * @memberOf Tone.Filter#\n\t\t * @type {string}\n\t\t * @name type\n\t\t */\n\t    Object.defineProperty(Tone.Filter.prototype, 'type', {\n\t        get: function () {\n\t            return this._type;\n\t        },\n\t        set: function (type) {\n\t            var types = [\n\t                'lowpass',\n\t                'highpass',\n\t                'bandpass',\n\t                'lowshelf',\n\t                'highshelf',\n\t                'notch',\n\t                'allpass',\n\t                'peaking'\n\t            ];\n\t            if (types.indexOf(type) === -1) {\n\t                throw new TypeError('Tone.Filter: invalid type ' + type);\n\t            }\n\t            this._type = type;\n\t            for (var i = 0; i < this._filters.length; i++) {\n\t                this._filters[i].type = type;\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t * The rolloff of the filter which is the drop in db\n\t\t * per octave. Implemented internally by cascading filters.\n\t\t * Only accepts the values -12, -24, -48 and -96.\n\t\t * @memberOf Tone.Filter#\n\t\t * @type {number}\n\t\t * @name rolloff\n\t\t */\n\t    Object.defineProperty(Tone.Filter.prototype, 'rolloff', {\n\t        get: function () {\n\t            return this._rolloff;\n\t        },\n\t        set: function (rolloff) {\n\t            rolloff = parseInt(rolloff, 10);\n\t            var possibilities = [\n\t                -12,\n\t                -24,\n\t                -48,\n\t                -96\n\t            ];\n\t            var cascadingCount = possibilities.indexOf(rolloff);\n\t            //check the rolloff is valid\n\t            if (cascadingCount === -1) {\n\t                throw new RangeError('Tone.Filter: rolloff can only be -12, -24, -48 or -96');\n\t            }\n\t            cascadingCount += 1;\n\t            this._rolloff = rolloff;\n\t            //first disconnect the filters and throw them away\n\t            this.input.disconnect();\n\t            for (var i = 0; i < this._filters.length; i++) {\n\t                this._filters[i].disconnect();\n\t                this._filters[i] = null;\n\t            }\n\t            this._filters = new Array(cascadingCount);\n\t            for (var count = 0; count < cascadingCount; count++) {\n\t                var filter = this.context.createBiquadFilter();\n\t                filter.type = this._type;\n\t                this.frequency.connect(filter.frequency);\n\t                this.detune.connect(filter.detune);\n\t                this.Q.connect(filter.Q);\n\t                this.gain.connect(filter.gain);\n\t                this._filters[count] = filter;\n\t            }\n\t            //connect them up\n\t            var connectionChain = [this.input].concat(this._filters).concat([this.output]);\n\t            this.connectSeries.apply(this, connectionChain);\n\t        }\n\t    });\n\t    /**\n\t\t *  Clean up. \n\t\t *  @return {Tone.Filter} this\n\t\t */\n\t    Tone.Filter.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        for (var i = 0; i < this._filters.length; i++) {\n\t            this._filters[i].disconnect();\n\t            this._filters[i] = null;\n\t        }\n\t        this._filters = null;\n\t        this._writable([\n\t            'detune',\n\t            'frequency',\n\t            'gain',\n\t            'Q'\n\t        ]);\n\t        this.frequency.dispose();\n\t        this.Q.dispose();\n\t        this.frequency = null;\n\t        this.Q = null;\n\t        this.detune.dispose();\n\t        this.detune = null;\n\t        this.gain.dispose();\n\t        this.gain = null;\n\t        return this;\n\t    };\n\t    return Tone.Filter;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Split the incoming signal into three bands (low, mid, high)\n\t\t *         with two crossover frequency controls. \n\t\t *\n\t\t *  @extends {Tone}\n\t\t *  @constructor\n\t\t *  @param {Frequency|Object} [lowFrequency] the low/mid crossover frequency\n\t\t *  @param {Frequency} [highFrequency] the mid/high crossover frequency\n\t\t */\n\t    Tone.MultibandSplit = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'lowFrequency',\n\t            'highFrequency'\n\t        ], Tone.MultibandSplit.defaults);\n\t        /**\n\t\t\t *  the input\n\t\t\t *  @type {Tone.Gain}\n\t\t\t *  @private\n\t\t\t */\n\t        this.input = new Tone.Gain();\n\t        /**\n\t\t\t *  the outputs\n\t\t\t *  @type {Array}\n\t\t\t *  @private\n\t\t\t */\n\t        this.output = new Array(3);\n\t        /**\n\t\t\t *  The low band. Alias for <code>output[0]</code>\n\t\t\t *  @type {Tone.Filter}\n\t\t\t */\n\t        this.low = this.output[0] = new Tone.Filter(0, 'lowpass');\n\t        /**\n\t\t\t *  the lower filter of the mid band\n\t\t\t *  @type {Tone.Filter}\n\t\t\t *  @private\n\t\t\t */\n\t        this._lowMidFilter = new Tone.Filter(0, 'highpass');\n\t        /**\n\t\t\t *  The mid band output. Alias for <code>output[1]</code>\n\t\t\t *  @type {Tone.Filter}\n\t\t\t */\n\t        this.mid = this.output[1] = new Tone.Filter(0, 'lowpass');\n\t        /**\n\t\t\t *  The high band output. Alias for <code>output[2]</code>\n\t\t\t *  @type {Tone.Filter}\n\t\t\t */\n\t        this.high = this.output[2] = new Tone.Filter(0, 'highpass');\n\t        /**\n\t\t\t *  The low/mid crossover frequency.\n\t\t\t *  @type {Frequency}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.lowFrequency = new Tone.Signal(options.lowFrequency, Tone.Type.Frequency);\n\t        /**\n\t\t\t *  The mid/high crossover frequency.\n\t\t\t *  @type {Frequency}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.highFrequency = new Tone.Signal(options.highFrequency, Tone.Type.Frequency);\n\t        /**\n\t\t\t *  The quality of all the filters\n\t\t\t *  @type {Number}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.Q = new Tone.Signal(options.Q);\n\t        this.input.fan(this.low, this.high);\n\t        this.input.chain(this._lowMidFilter, this.mid);\n\t        //the frequency control signal\n\t        this.lowFrequency.connect(this.low.frequency);\n\t        this.lowFrequency.connect(this._lowMidFilter.frequency);\n\t        this.highFrequency.connect(this.mid.frequency);\n\t        this.highFrequency.connect(this.high.frequency);\n\t        //the Q value\n\t        this.Q.connect(this.low.Q);\n\t        this.Q.connect(this._lowMidFilter.Q);\n\t        this.Q.connect(this.mid.Q);\n\t        this.Q.connect(this.high.Q);\n\t        this._readOnly([\n\t            'high',\n\t            'mid',\n\t            'low',\n\t            'highFrequency',\n\t            'lowFrequency'\n\t        ]);\n\t    };\n\t    Tone.extend(Tone.MultibandSplit);\n\t    /**\n\t\t *  @private\n\t\t *  @static\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.MultibandSplit.defaults = {\n\t        'lowFrequency': 400,\n\t        'highFrequency': 2500,\n\t        'Q': 1\n\t    };\n\t    /**\n\t\t *  Clean up.\n\t\t *  @returns {Tone.MultibandSplit} this\n\t\t */\n\t    Tone.MultibandSplit.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._writable([\n\t            'high',\n\t            'mid',\n\t            'low',\n\t            'highFrequency',\n\t            'lowFrequency'\n\t        ]);\n\t        this.low.dispose();\n\t        this.low = null;\n\t        this._lowMidFilter.dispose();\n\t        this._lowMidFilter = null;\n\t        this.mid.dispose();\n\t        this.mid = null;\n\t        this.high.dispose();\n\t        this.high = null;\n\t        this.lowFrequency.dispose();\n\t        this.lowFrequency = null;\n\t        this.highFrequency.dispose();\n\t        this.highFrequency = null;\n\t        this.Q.dispose();\n\t        this.Q = null;\n\t        return this;\n\t    };\n\t    return Tone.MultibandSplit;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Tone.EQ3 is a three band EQ with control over low, mid, and high gain as\n\t\t *         well as the low and high crossover frequencies.\n\t\t *\n\t\t *  @constructor\n\t\t *  @extends {Tone}\n\t\t *  \n\t\t *  @param {Decibels|Object} [lowLevel] The gain applied to the lows.\n\t\t *  @param {Decibels} [midLevel] The gain applied to the mid.\n\t\t *  @param {Decibels} [highLevel] The gain applied to the high.\n\t\t *  @example\n\t\t * var eq = new Tone.EQ3(-10, 3, -20);\n\t\t */\n\t    Tone.EQ3 = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'low',\n\t            'mid',\n\t            'high'\n\t        ], Tone.EQ3.defaults);\n\t        /**\n\t\t\t *  the output node\n\t\t\t *  @type {GainNode}\n\t\t\t *  @private\n\t\t\t */\n\t        this.output = new Tone.Gain();\n\t        /**\n\t\t\t *  the multiband split\n\t\t\t *  @type {Tone.MultibandSplit}\n\t\t\t *  @private\n\t\t\t */\n\t        this._multibandSplit = this.input = new Tone.MultibandSplit({\n\t            'lowFrequency': options.lowFrequency,\n\t            'highFrequency': options.highFrequency\n\t        });\n\t        /**\n\t\t\t *  The gain for the lower signals\n\t\t\t *  @type  {Tone.Gain}\n\t\t\t *  @private\n\t\t\t */\n\t        this._lowGain = new Tone.Gain(options.low, Tone.Type.Decibels);\n\t        /**\n\t\t\t *  The gain for the mid signals\n\t\t\t *  @type  {Tone.Gain}\n\t\t\t *  @private\n\t\t\t */\n\t        this._midGain = new Tone.Gain(options.mid, Tone.Type.Decibels);\n\t        /**\n\t\t\t * The gain in decibels of the high part\n\t\t\t * @type {Tone.Gain}\n\t\t\t * @private\n\t\t\t */\n\t        this._highGain = new Tone.Gain(options.high, Tone.Type.Decibels);\n\t        /**\n\t\t\t * The gain in decibels of the low part\n\t\t\t * @type {Decibels}\n\t\t\t * @signal\n\t\t\t */\n\t        this.low = this._lowGain.gain;\n\t        /**\n\t\t\t * The gain in decibels of the mid part\n\t\t\t * @type {Decibels}\n\t\t\t * @signal\n\t\t\t */\n\t        this.mid = this._midGain.gain;\n\t        /**\n\t\t\t * The gain in decibels of the high part\n\t\t\t * @type {Decibels}\n\t\t\t * @signal\n\t\t\t */\n\t        this.high = this._highGain.gain;\n\t        /**\n\t\t\t *  The Q value for all of the filters. \n\t\t\t *  @type {Positive}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.Q = this._multibandSplit.Q;\n\t        /**\n\t\t\t *  The low/mid crossover frequency. \n\t\t\t *  @type {Frequency}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.lowFrequency = this._multibandSplit.lowFrequency;\n\t        /**\n\t\t\t *  The mid/high crossover frequency. \n\t\t\t *  @type {Frequency}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.highFrequency = this._multibandSplit.highFrequency;\n\t        //the frequency bands\n\t        this._multibandSplit.low.chain(this._lowGain, this.output);\n\t        this._multibandSplit.mid.chain(this._midGain, this.output);\n\t        this._multibandSplit.high.chain(this._highGain, this.output);\n\t        this._readOnly([\n\t            'low',\n\t            'mid',\n\t            'high',\n\t            'lowFrequency',\n\t            'highFrequency'\n\t        ]);\n\t    };\n\t    Tone.extend(Tone.EQ3);\n\t    /**\n\t\t *  the default values\n\t\t */\n\t    Tone.EQ3.defaults = {\n\t        'low': 0,\n\t        'mid': 0,\n\t        'high': 0,\n\t        'lowFrequency': 400,\n\t        'highFrequency': 2500\n\t    };\n\t    /**\n\t\t *  clean up\n\t\t *  @returns {Tone.EQ3} this\n\t\t */\n\t    Tone.EQ3.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._writable([\n\t            'low',\n\t            'mid',\n\t            'high',\n\t            'lowFrequency',\n\t            'highFrequency'\n\t        ]);\n\t        this._multibandSplit.dispose();\n\t        this._multibandSplit = null;\n\t        this.lowFrequency = null;\n\t        this.highFrequency = null;\n\t        this._lowGain.dispose();\n\t        this._lowGain = null;\n\t        this._midGain.dispose();\n\t        this._midGain = null;\n\t        this._highGain.dispose();\n\t        this._highGain = null;\n\t        this.low = null;\n\t        this.mid = null;\n\t        this.high = null;\n\t        this.Q = null;\n\t        return this;\n\t    };\n\t    return Tone.EQ3;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  Performs a linear scaling on an input signal.\n\t\t *          Scales a NormalRange input to between\n\t\t *          outputMin and outputMax.\n\t\t *\n\t\t *  @constructor\n\t\t *  @extends {Tone.SignalBase}\n\t\t *  @param {number} [outputMin=0] The output value when the input is 0. \n\t\t *  @param {number} [outputMax=1]\tThe output value when the input is 1. \n\t\t *  @example\n\t\t * var scale = new Tone.Scale(50, 100);\n\t\t * var signal = new Tone.Signal(0.5).connect(scale);\n\t\t * //the output of scale equals 75\n\t\t */\n\t    Tone.Scale = function (outputMin, outputMax) {\n\t        /** \n\t\t\t *  @private\n\t\t\t *  @type {number}\n\t\t\t */\n\t        this._outputMin = this.defaultArg(outputMin, 0);\n\t        /** \n\t\t\t *  @private\n\t\t\t *  @type {number}\n\t\t\t */\n\t        this._outputMax = this.defaultArg(outputMax, 1);\n\t        /** \n\t\t\t *  @private\n\t\t\t *  @type {Tone.Multiply}\n\t\t\t *  @private\n\t\t\t */\n\t        this._scale = this.input = new Tone.Multiply(1);\n\t        /** \n\t\t\t *  @private\n\t\t\t *  @type {Tone.Add}\n\t\t\t *  @private\n\t\t\t */\n\t        this._add = this.output = new Tone.Add(0);\n\t        this._scale.connect(this._add);\n\t        this._setRange();\n\t    };\n\t    Tone.extend(Tone.Scale, Tone.SignalBase);\n\t    /**\n\t\t * The minimum output value. This number is output when \n\t\t * the value input value is 0. \n\t\t * @memberOf Tone.Scale#\n\t\t * @type {number}\n\t\t * @name min\n\t\t */\n\t    Object.defineProperty(Tone.Scale.prototype, 'min', {\n\t        get: function () {\n\t            return this._outputMin;\n\t        },\n\t        set: function (min) {\n\t            this._outputMin = min;\n\t            this._setRange();\n\t        }\n\t    });\n\t    /**\n\t\t * The maximum output value. This number is output when \n\t\t * the value input value is 1. \n\t\t * @memberOf Tone.Scale#\n\t\t * @type {number}\n\t\t * @name max\n\t\t */\n\t    Object.defineProperty(Tone.Scale.prototype, 'max', {\n\t        get: function () {\n\t            return this._outputMax;\n\t        },\n\t        set: function (max) {\n\t            this._outputMax = max;\n\t            this._setRange();\n\t        }\n\t    });\n\t    /**\n\t\t *  set the values\n\t\t *  @private\n\t\t */\n\t    Tone.Scale.prototype._setRange = function () {\n\t        this._add.value = this._outputMin;\n\t        this._scale.value = this._outputMax - this._outputMin;\n\t    };\n\t    /**\n\t\t *  Clean up.\n\t\t *  @returns {Tone.Scale} this\n\t\t */\n\t    Tone.Scale.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._add.dispose();\n\t        this._add = null;\n\t        this._scale.dispose();\n\t        this._scale = null;\n\t        return this;\n\t    };\n\t    return Tone.Scale;\n\t});\n\tModule(function (Tone) {\n\t    /**\n\t\t *  @class  Performs an exponential scaling on an input signal.\n\t\t *          Scales a NormalRange value [0,1] exponentially\n\t\t *          to the output range of outputMin to outputMax.\n\t\t *\n\t\t *  @constructor\n\t\t *  @extends {Tone.SignalBase}\n\t\t *  @param {number} [outputMin=0] The output value when the input is 0. \n\t\t *  @param {number} [outputMax=1]\tThe output value when the input is 1. \n\t\t *  @param {number} [exponent=2] The exponent which scales the incoming signal.\n\t\t *  @example\n\t\t * var scaleExp = new Tone.ScaleExp(0, 100, 2);\n\t\t * var signal = new Tone.Signal(0.5).connect(scaleExp);\n\t\t */\n\t    Tone.ScaleExp = function (outputMin, outputMax, exponent) {\n\t        /**\n\t\t\t *  scale the input to the output range\n\t\t\t *  @type {Tone.Scale}\n\t\t\t *  @private\n\t\t\t */\n\t        this._scale = this.output = new Tone.Scale(outputMin, outputMax);\n\t        /**\n\t\t\t *  @private\n\t\t\t *  @type {Tone.Pow}\n\t\t\t *  @private\n\t\t\t */\n\t        this._exp = this.input = new Tone.Pow(this.defaultArg(exponent, 2));\n\t        this._exp.connect(this._scale);\n\t    };\n\t    Tone.extend(Tone.ScaleExp, Tone.SignalBase);\n\t    /**\n\t\t * Instead of interpolating linearly between the <code>min</code> and \n\t\t * <code>max</code> values, setting the exponent will interpolate between\n\t\t * the two values with an exponential curve. \n\t\t * @memberOf Tone.ScaleExp#\n\t\t * @type {number}\n\t\t * @name exponent\n\t\t */\n\t    Object.defineProperty(Tone.ScaleExp.prototype, 'exponent', {\n\t        get: function () {\n\t            return this._exp.value;\n\t        },\n\t        set: function (exp) {\n\t            this._exp.value = exp;\n\t        }\n\t    });\n\t    /**\n\t\t * The minimum output value. This number is output when \n\t\t * the value input value is 0. \n\t\t * @memberOf Tone.ScaleExp#\n\t\t * @type {number}\n\t\t * @name min\n\t\t */\n\t    Object.defineProperty(Tone.ScaleExp.prototype, 'min', {\n\t        get: function () {\n\t            return this._scale.min;\n\t        },\n\t        set: function (min) {\n\t            this._scale.min = min;\n\t        }\n\t    });\n\t    /**\n\t\t * The maximum output value. This number is output when \n\t\t * the value input value is 1. \n\t\t * @memberOf Tone.ScaleExp#\n\t\t * @type {number}\n\t\t * @name max\n\t\t */\n\t    Object.defineProperty(Tone.ScaleExp.prototype, 'max', {\n\t        get: function () {\n\t            return this._scale.max;\n\t        },\n\t        set: function (max) {\n\t            this._scale.max = max;\n\t        }\n\t    });\n\t    /**\n\t\t *  Clean up.\n\t\t *  @returns {Tone.ScaleExp} this\n\t\t */\n\t    Tone.ScaleExp.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._scale.dispose();\n\t        this._scale = null;\n\t        this._exp.dispose();\n\t        this._exp = null;\n\t        return this;\n\t    };\n\t    return Tone.ScaleExp;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  createDelay shim\n\t\t *  @private\n\t\t */\n\t    if (window.DelayNode && !AudioContext.prototype.createDelay) {\n\t        AudioContext.prototype.createDelay = AudioContext.prototype.createDelayNode;\n\t    }\n\t    /**\n\t\t *  @class Wrapper around Web Audio's native [DelayNode](http://webaudio.github.io/web-audio-api/#the-delaynode-interface). \n\t\t *  @extends {Tone}\n\t\t *  @param {Time=} delayTime The delay applied to the incoming signal.\n\t\t *  @param {Time=} maxDelay The maximum delay time. \n\t\t */\n\t    Tone.Delay = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'delayTime',\n\t            'maxDelay'\n\t        ], Tone.Delay.defaults);\n\t        /**\n\t\t\t *  The native delay node\n\t\t\t *  @type {DelayNode}\n\t\t\t *  @private\n\t\t\t */\n\t        this._delayNode = this.input = this.output = this.context.createDelay(this.toSeconds(options.maxDelay));\n\t        /**\n\t\t\t *  The amount of time the incoming signal is\n\t\t\t *  delayed. \n\t\t\t *  @type {Tone.Param}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.delayTime = new Tone.Param({\n\t            'param': this._delayNode.delayTime,\n\t            'units': Tone.Type.Time,\n\t            'value': options.delayTime\n\t        });\n\t        this._readOnly('delayTime');\n\t    };\n\t    Tone.extend(Tone.Delay);\n\t    /**\n\t\t *  The defaults\n\t\t *  @const\n\t\t *  @type  {Object}\n\t\t */\n\t    Tone.Delay.defaults = {\n\t        'maxDelay': 1,\n\t        'delayTime': 0\n\t    };\n\t    /**\n\t\t *  Clean up.\n\t\t *  @return  {Tone.Delay}  this\n\t\t */\n\t    Tone.Delay.prototype.dispose = function () {\n\t        Tone.Param.prototype.dispose.call(this);\n\t        this._delayNode.disconnect();\n\t        this._delayNode = null;\n\t        this._writable('delayTime');\n\t        this.delayTime = null;\n\t        return this;\n\t    };\n\t    return Tone.Delay;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Comb filters are basic building blocks for physical modeling. Read more\n\t\t *         about comb filters on [CCRMA's website](https://ccrma.stanford.edu/~jos/pasp/Feedback_Comb_Filters.html).\n\t\t *\n\t\t *  @extends {Tone}\n\t\t *  @constructor\n\t\t *  @param {Time|Object} [delayTime] The delay time of the filter. \n\t\t *  @param {NormalRange=} resonance The amount of feedback the filter has. \n\t\t */\n\t    Tone.FeedbackCombFilter = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'delayTime',\n\t            'resonance'\n\t        ], Tone.FeedbackCombFilter.defaults);\n\t        /**\n\t\t\t *  the delay node\n\t\t\t *  @type {DelayNode}\n\t\t\t *  @private\n\t\t\t */\n\t        this._delay = this.input = this.output = new Tone.Delay(options.delayTime);\n\t        /**\n\t\t\t *  The amount of delay of the comb filter. \n\t\t\t *  @type {Time}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.delayTime = this._delay.delayTime;\n\t        /**\n\t\t\t *  the feedback node\n\t\t\t *  @type {GainNode}\n\t\t\t *  @private\n\t\t\t */\n\t        this._feedback = new Tone.Gain(options.resonance, Tone.Type.NormalRange);\n\t        /**\n\t\t\t *  The amount of feedback of the delayed signal. \n\t\t\t *  @type {NormalRange}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.resonance = this._feedback.gain;\n\t        this._delay.chain(this._feedback, this._delay);\n\t        this._readOnly([\n\t            'resonance',\n\t            'delayTime'\n\t        ]);\n\t    };\n\t    Tone.extend(Tone.FeedbackCombFilter);\n\t    /**\n\t\t *  the default parameters\n\t\t *  @static\n\t\t *  @const\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.FeedbackCombFilter.defaults = {\n\t        'delayTime': 0.1,\n\t        'resonance': 0.5\n\t    };\n\t    /**\n\t\t *  clean up\n\t\t *  @returns {Tone.FeedbackCombFilter} this\n\t\t */\n\t    Tone.FeedbackCombFilter.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._writable([\n\t            'resonance',\n\t            'delayTime'\n\t        ]);\n\t        this._delay.dispose();\n\t        this._delay = null;\n\t        this.delayTime = null;\n\t        this._feedback.dispose();\n\t        this._feedback = null;\n\t        this.resonance = null;\n\t        return this;\n\t    };\n\t    return Tone.FeedbackCombFilter;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  Tone.Follower is a  crude envelope follower which will follow \n\t\t *          the amplitude of an incoming signal. \n\t\t *          Take care with small (< 0.02) attack or decay values \n\t\t *          as follower has some ripple which is exaggerated\n\t\t *          at these values. Read more about envelope followers (also known \n\t\t *          as envelope detectors) on [Wikipedia](https://en.wikipedia.org/wiki/Envelope_detector).\n\t\t *  \n\t\t *  @constructor\n\t\t *  @extends {Tone}\n\t\t *  @param {Time|Object} [attack] The rate at which the follower rises.\n\t\t *  @param {Time=} release The rate at which the folower falls. \n\t\t *  @example\n\t\t * var follower = new Tone.Follower(0.2, 0.4);\n\t\t */\n\t    Tone.Follower = function () {\n\t        this.createInsOuts(1, 1);\n\t        var options = this.optionsObject(arguments, [\n\t            'attack',\n\t            'release'\n\t        ], Tone.Follower.defaults);\n\t        /**\n\t\t\t *  @type {Tone.Abs}\n\t\t\t *  @private\n\t\t\t */\n\t        this._abs = new Tone.Abs();\n\t        /**\n\t\t\t *  the lowpass filter which smooths the input\n\t\t\t *  @type {BiquadFilterNode}\n\t\t\t *  @private\n\t\t\t */\n\t        this._filter = this.context.createBiquadFilter();\n\t        this._filter.type = 'lowpass';\n\t        this._filter.frequency.value = 0;\n\t        this._filter.Q.value = -100;\n\t        /**\n\t\t\t *  @type {WaveShaperNode}\n\t\t\t *  @private\n\t\t\t */\n\t        this._frequencyValues = new Tone.WaveShaper();\n\t        /**\n\t\t\t *  @type {Tone.Subtract}\n\t\t\t *  @private\n\t\t\t */\n\t        this._sub = new Tone.Subtract();\n\t        /**\n\t\t\t *  @type {Tone.Delay}\n\t\t\t *  @private\n\t\t\t */\n\t        this._delay = new Tone.Delay(this.blockTime);\n\t        /**\n\t\t\t *  this keeps it far from 0, even for very small differences\n\t\t\t *  @type {Tone.Multiply}\n\t\t\t *  @private\n\t\t\t */\n\t        this._mult = new Tone.Multiply(10000);\n\t        /**\n\t\t\t *  @private\n\t\t\t *  @type {number}\n\t\t\t */\n\t        this._attack = options.attack;\n\t        /**\n\t\t\t *  @private\n\t\t\t *  @type {number}\n\t\t\t */\n\t        this._release = options.release;\n\t        //the smoothed signal to get the values\n\t        this.input.chain(this._abs, this._filter, this.output);\n\t        //the difference path\n\t        this._abs.connect(this._sub, 0, 1);\n\t        this._filter.chain(this._delay, this._sub);\n\t        //threshold the difference and use the thresh to set the frequency\n\t        this._sub.chain(this._mult, this._frequencyValues, this._filter.frequency);\n\t        //set the attack and release values in the table\n\t        this._setAttackRelease(this._attack, this._release);\n\t    };\n\t    Tone.extend(Tone.Follower);\n\t    /**\n\t\t *  @static\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.Follower.defaults = {\n\t        'attack': 0.05,\n\t        'release': 0.5\n\t    };\n\t    /**\n\t\t *  sets the attack and release times in the wave shaper\n\t\t *  @param   {Time} attack  \n\t\t *  @param   {Time} release \n\t\t *  @private\n\t\t */\n\t    Tone.Follower.prototype._setAttackRelease = function (attack, release) {\n\t        var minTime = this.blockTime;\n\t        attack = Tone.Time(attack).toFrequency();\n\t        release = Tone.Time(release).toFrequency();\n\t        attack = Math.max(attack, minTime);\n\t        release = Math.max(release, minTime);\n\t        this._frequencyValues.setMap(function (val) {\n\t            if (val <= 0) {\n\t                return attack;\n\t            } else {\n\t                return release;\n\t            }\n\t        });\n\t    };\n\t    /**\n\t\t * The attack time.\n\t\t * @memberOf Tone.Follower#\n\t\t * @type {Time}\n\t\t * @name attack\n\t\t */\n\t    Object.defineProperty(Tone.Follower.prototype, 'attack', {\n\t        get: function () {\n\t            return this._attack;\n\t        },\n\t        set: function (attack) {\n\t            this._attack = attack;\n\t            this._setAttackRelease(this._attack, this._release);\n\t        }\n\t    });\n\t    /**\n\t\t * The release time.\n\t\t * @memberOf Tone.Follower#\n\t\t * @type {Time}\n\t\t * @name release\n\t\t */\n\t    Object.defineProperty(Tone.Follower.prototype, 'release', {\n\t        get: function () {\n\t            return this._release;\n\t        },\n\t        set: function (release) {\n\t            this._release = release;\n\t            this._setAttackRelease(this._attack, this._release);\n\t        }\n\t    });\n\t    /**\n\t\t *  Borrows the connect method from Signal so that the output can be used\n\t\t *  as a Tone.Signal control signal.\n\t\t *  @function\n\t\t */\n\t    Tone.Follower.prototype.connect = Tone.Signal.prototype.connect;\n\t    /**\n\t\t *  dispose\n\t\t *  @returns {Tone.Follower} this\n\t\t */\n\t    Tone.Follower.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._filter.disconnect();\n\t        this._filter = null;\n\t        this._frequencyValues.disconnect();\n\t        this._frequencyValues = null;\n\t        this._delay.dispose();\n\t        this._delay = null;\n\t        this._sub.disconnect();\n\t        this._sub = null;\n\t        this._abs.dispose();\n\t        this._abs = null;\n\t        this._mult.dispose();\n\t        this._mult = null;\n\t        this._curve = null;\n\t        return this;\n\t    };\n\t    return Tone.Follower;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Tone.ScaledEnvelop is an envelope which can be scaled \n\t\t *         to any range. It's useful for applying an envelope \n\t\t *         to a frequency or any other non-NormalRange signal \n\t\t *         parameter. \n\t\t *\n\t\t *  @extends {Tone.Envelope}\n\t\t *  @constructor\n\t\t *  @param {Time|Object} [attack]\tthe attack time in seconds\n\t\t *  @param {Time} [decay]\tthe decay time in seconds\n\t\t *  @param {number} [sustain] \ta percentage (0-1) of the full amplitude\n\t\t *  @param {Time} [release]\tthe release time in seconds\n\t\t *  @example\n\t\t *  var scaledEnv = new Tone.ScaledEnvelope({\n\t\t *  \t\"attack\" : 0.2,\n\t\t *  \t\"min\" : 200,\n\t\t *  \t\"max\" : 2000\n\t\t *  });\n\t\t *  scaledEnv.connect(oscillator.frequency);\n\t\t */\n\t    Tone.ScaledEnvelope = function () {\n\t        //get all of the defaults\n\t        var options = this.optionsObject(arguments, [\n\t            'attack',\n\t            'decay',\n\t            'sustain',\n\t            'release'\n\t        ], Tone.Envelope.defaults);\n\t        Tone.Envelope.call(this, options);\n\t        options = this.defaultArg(options, Tone.ScaledEnvelope.defaults);\n\t        /** \n\t\t\t *  scale the incoming signal by an exponent\n\t\t\t *  @type {Tone.Pow}\n\t\t\t *  @private\n\t\t\t */\n\t        this._exp = this.output = new Tone.Pow(options.exponent);\n\t        /**\n\t\t\t *  scale the signal to the desired range\n\t\t\t *  @type {Tone.Multiply}\n\t\t\t *  @private\n\t\t\t */\n\t        this._scale = this.output = new Tone.Scale(options.min, options.max);\n\t        this._sig.chain(this._exp, this._scale);\n\t    };\n\t    Tone.extend(Tone.ScaledEnvelope, Tone.Envelope);\n\t    /**\n\t\t *  the default parameters\n\t\t *  @static\n\t\t */\n\t    Tone.ScaledEnvelope.defaults = {\n\t        'min': 0,\n\t        'max': 1,\n\t        'exponent': 1\n\t    };\n\t    /**\n\t\t * The envelope's min output value. This is the value which it\n\t\t * starts at. \n\t\t * @memberOf Tone.ScaledEnvelope#\n\t\t * @type {number}\n\t\t * @name min\n\t\t */\n\t    Object.defineProperty(Tone.ScaledEnvelope.prototype, 'min', {\n\t        get: function () {\n\t            return this._scale.min;\n\t        },\n\t        set: function (min) {\n\t            this._scale.min = min;\n\t        }\n\t    });\n\t    /**\n\t\t * The envelope's max output value. In other words, the value\n\t\t * at the peak of the attack portion of the envelope. \n\t\t * @memberOf Tone.ScaledEnvelope#\n\t\t * @type {number}\n\t\t * @name max\n\t\t */\n\t    Object.defineProperty(Tone.ScaledEnvelope.prototype, 'max', {\n\t        get: function () {\n\t            return this._scale.max;\n\t        },\n\t        set: function (max) {\n\t            this._scale.max = max;\n\t        }\n\t    });\n\t    /**\n\t\t * The envelope's exponent value. \n\t\t * @memberOf Tone.ScaledEnvelope#\n\t\t * @type {number}\n\t\t * @name exponent\n\t\t */\n\t    Object.defineProperty(Tone.ScaledEnvelope.prototype, 'exponent', {\n\t        get: function () {\n\t            return this._exp.value;\n\t        },\n\t        set: function (exp) {\n\t            this._exp.value = exp;\n\t        }\n\t    });\n\t    /**\n\t\t *  clean up\n\t\t *  @returns {Tone.ScaledEnvelope} this\n\t\t */\n\t    Tone.ScaledEnvelope.prototype.dispose = function () {\n\t        Tone.Envelope.prototype.dispose.call(this);\n\t        this._scale.dispose();\n\t        this._scale = null;\n\t        this._exp.dispose();\n\t        this._exp = null;\n\t        return this;\n\t    };\n\t    return Tone.ScaledEnvelope;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Tone.FrequencyEnvelope is a Tone.ScaledEnvelope, but instead of `min` and `max`\n\t\t *         it's got a `baseFrequency` and `octaves` parameter. \n\t\t *\n\t\t *  @extends {Tone.Envelope}\n\t\t *  @constructor\n\t\t *  @param {Time|Object} [attack]\tthe attack time in seconds\n\t\t *  @param {Time} [decay]\tthe decay time in seconds\n\t\t *  @param {number} [sustain] \ta percentage (0-1) of the full amplitude\n\t\t *  @param {Time} [release]\tthe release time in seconds\n\t\t *  @example\n\t\t *  var env = new Tone.FrequencyEnvelope({\n\t\t *  \t\"attack\" : 0.2,\n\t\t *  \t\"baseFrequency\" : \"C2\",\n\t\t *  \t\"octaves\" : 4\n\t\t *  });\n\t\t *  scaledEnv.connect(oscillator.frequency);\n\t\t */\n\t    Tone.FrequencyEnvelope = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'attack',\n\t            'decay',\n\t            'sustain',\n\t            'release'\n\t        ], Tone.Envelope.defaults);\n\t        Tone.ScaledEnvelope.call(this, options);\n\t        options = this.defaultArg(options, Tone.FrequencyEnvelope.defaults);\n\t        /**\n\t\t\t *  Stores the octave value\n\t\t\t *  @type {Positive}\n\t\t\t *  @private\n\t\t\t */\n\t        this._octaves = options.octaves;\n\t        //setup\n\t        this.baseFrequency = options.baseFrequency;\n\t        this.octaves = options.octaves;\n\t    };\n\t    Tone.extend(Tone.FrequencyEnvelope, Tone.Envelope);\n\t    /**\n\t\t *  the default parameters\n\t\t *  @static\n\t\t */\n\t    Tone.FrequencyEnvelope.defaults = {\n\t        'baseFrequency': 200,\n\t        'octaves': 4,\n\t        'exponent': 2\n\t    };\n\t    /**\n\t\t * The envelope's mininum output value. This is the value which it\n\t\t * starts at. \n\t\t * @memberOf Tone.FrequencyEnvelope#\n\t\t * @type {Frequency}\n\t\t * @name baseFrequency\n\t\t */\n\t    Object.defineProperty(Tone.FrequencyEnvelope.prototype, 'baseFrequency', {\n\t        get: function () {\n\t            return this._scale.min;\n\t        },\n\t        set: function (min) {\n\t            this._scale.min = this.toFrequency(min);\n\t            //also update the octaves\n\t            this.octaves = this._octaves;\n\t        }\n\t    });\n\t    /**\n\t\t * The number of octaves above the baseFrequency that the\n\t\t * envelope will scale to.\n\t\t * @memberOf Tone.FrequencyEnvelope#\n\t\t * @type {Positive}\n\t\t * @name octaves\n\t\t */\n\t    Object.defineProperty(Tone.FrequencyEnvelope.prototype, 'octaves', {\n\t        get: function () {\n\t            return this._octaves;\n\t        },\n\t        set: function (octaves) {\n\t            this._octaves = octaves;\n\t            this._scale.max = this.baseFrequency * Math.pow(2, octaves);\n\t        }\n\t    });\n\t    /**\n\t\t * The envelope's exponent value. \n\t\t * @memberOf Tone.FrequencyEnvelope#\n\t\t * @type {number}\n\t\t * @name exponent\n\t\t */\n\t    Object.defineProperty(Tone.FrequencyEnvelope.prototype, 'exponent', {\n\t        get: function () {\n\t            return this._exp.value;\n\t        },\n\t        set: function (exp) {\n\t            this._exp.value = exp;\n\t        }\n\t    });\n\t    /**\n\t\t *  clean up\n\t\t *  @returns {Tone.FrequencyEnvelope} this\n\t\t */\n\t    Tone.FrequencyEnvelope.prototype.dispose = function () {\n\t        Tone.ScaledEnvelope.prototype.dispose.call(this);\n\t        return this;\n\t    };\n\t    return Tone.FrequencyEnvelope;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  Tone.Gate only passes a signal through when the incoming \n\t\t *          signal exceeds a specified threshold. To do this, Gate uses \n\t\t *          a Tone.Follower to follow the amplitude of the incoming signal. \n\t\t *          A common implementation of this class is a [Noise Gate](https://en.wikipedia.org/wiki/Noise_gate).\n\t\t *  \n\t\t *  @constructor\n\t\t *  @extends {Tone}\n\t\t *  @param {Decibels|Object} [threshold] The threshold above which the gate will open. \n\t\t *  @param {Time=} attack The follower's attack time\n\t\t *  @param {Time=} release The follower's release time\n\t\t *  @example\n\t\t * var gate = new Tone.Gate(-30, 0.2, 0.3).toMaster();\n\t\t * var mic = new Tone.UserMedia().connect(gate);\n\t\t * //the gate will only pass through the incoming \n\t\t * //signal when it's louder than -30db\n\t\t */\n\t    Tone.Gate = function () {\n\t        this.createInsOuts(1, 1);\n\t        var options = this.optionsObject(arguments, [\n\t            'threshold',\n\t            'attack',\n\t            'release'\n\t        ], Tone.Gate.defaults);\n\t        /**\n\t\t\t *  @type {Tone.Follower}\n\t\t\t *  @private\n\t\t\t */\n\t        this._follower = new Tone.Follower(options.attack, options.release);\n\t        /**\n\t\t\t *  @type {Tone.GreaterThan}\n\t\t\t *  @private\n\t\t\t */\n\t        this._gt = new Tone.GreaterThan(this.dbToGain(options.threshold));\n\t        //the connections\n\t        this.input.connect(this.output);\n\t        //the control signal\n\t        this.input.chain(this._gt, this._follower, this.output.gain);\n\t    };\n\t    Tone.extend(Tone.Gate);\n\t    /**\n\t\t *  @const\n\t\t *  @static\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.Gate.defaults = {\n\t        'attack': 0.1,\n\t        'release': 0.1,\n\t        'threshold': -40\n\t    };\n\t    /**\n\t\t * The threshold of the gate in decibels\n\t\t * @memberOf Tone.Gate#\n\t\t * @type {Decibels}\n\t\t * @name threshold\n\t\t */\n\t    Object.defineProperty(Tone.Gate.prototype, 'threshold', {\n\t        get: function () {\n\t            return this.gainToDb(this._gt.value);\n\t        },\n\t        set: function (thresh) {\n\t            this._gt.value = this.dbToGain(thresh);\n\t        }\n\t    });\n\t    /**\n\t\t * The attack speed of the gate\n\t\t * @memberOf Tone.Gate#\n\t\t * @type {Time}\n\t\t * @name attack\n\t\t */\n\t    Object.defineProperty(Tone.Gate.prototype, 'attack', {\n\t        get: function () {\n\t            return this._follower.attack;\n\t        },\n\t        set: function (attackTime) {\n\t            this._follower.attack = attackTime;\n\t        }\n\t    });\n\t    /**\n\t\t * The release speed of the gate\n\t\t * @memberOf Tone.Gate#\n\t\t * @type {Time}\n\t\t * @name release\n\t\t */\n\t    Object.defineProperty(Tone.Gate.prototype, 'release', {\n\t        get: function () {\n\t            return this._follower.release;\n\t        },\n\t        set: function (releaseTime) {\n\t            this._follower.release = releaseTime;\n\t        }\n\t    });\n\t    /**\n\t\t *  Clean up. \n\t\t *  @returns {Tone.Gate} this\n\t\t */\n\t    Tone.Gate.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._follower.dispose();\n\t        this._gt.dispose();\n\t        this._follower = null;\n\t        this._gt = null;\n\t        return this;\n\t    };\n\t    return Tone.Gate;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  A Timeline State. Provides the methods: <code>setStateAtTime(\"state\", time)</code>\n\t\t *          and <code>getValueAtTime(time)</code>.\n\t\t *\n\t\t *  @extends {Tone.Timeline}\n\t\t *  @param {String} initial The initial state of the TimelineState. \n\t\t *                          Defaults to <code>undefined</code>\n\t\t */\n\t    Tone.TimelineState = function (initial) {\n\t        Tone.Timeline.call(this);\n\t        /**\n\t\t\t *  The initial state\n\t\t\t *  @private\n\t\t\t *  @type {String}\n\t\t\t */\n\t        this._initial = initial;\n\t    };\n\t    Tone.extend(Tone.TimelineState, Tone.Timeline);\n\t    /**\n\t\t *  Returns the scheduled state scheduled before or at\n\t\t *  the given time.\n\t\t *  @param  {Number}  time  The time to query.\n\t\t *  @return  {String}  The name of the state input in setStateAtTime.\n\t\t */\n\t    Tone.TimelineState.prototype.getValueAtTime = function (time) {\n\t        var event = this.get(time);\n\t        if (event !== null) {\n\t            return event.state;\n\t        } else {\n\t            return this._initial;\n\t        }\n\t    };\n\t    /**\n\t\t *  Returns the scheduled state scheduled before or at\n\t\t *  the given time.\n\t\t *  @param  {String}  state The name of the state to set.\n\t\t *  @param  {Number}  time  The time to query.\n\t\t */\n\t    Tone.TimelineState.prototype.setStateAtTime = function (state, time) {\n\t        this.add({\n\t            'state': state,\n\t            'time': time\n\t        });\n\t    };\n\t    return Tone.TimelineState;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  A sample accurate clock which provides a callback at the given rate. \n\t\t *          While the callback is not sample-accurate (it is still susceptible to\n\t\t *          loose JS timing), the time passed in as the argument to the callback\n\t\t *          is precise. For most applications, it is better to use Tone.Transport\n\t\t *          instead of the Clock by itself since you can synchronize multiple callbacks.\n\t\t *\n\t\t * \t@constructor\n\t\t *  @extends {Tone.Emitter}\n\t\t * \t@param {function} callback The callback to be invoked with the time of the audio event\n\t\t * \t@param {Frequency} frequency The rate of the callback\n\t\t * \t@example\n\t\t * //the callback will be invoked approximately once a second\n\t\t * //and will print the time exactly once a second apart.\n\t\t * var clock = new Tone.Clock(function(time){\n\t\t * \tconsole.log(time);\n\t\t * }, 1);\n\t\t */\n\t    Tone.Clock = function () {\n\t        Tone.Emitter.call(this);\n\t        var options = this.optionsObject(arguments, [\n\t            'callback',\n\t            'frequency'\n\t        ], Tone.Clock.defaults);\n\t        /**\n\t\t\t *  The callback function to invoke at the scheduled tick.\n\t\t\t *  @type  {Function}\n\t\t\t */\n\t        this.callback = options.callback;\n\t        /**\n\t\t\t *  The next time the callback is scheduled.\n\t\t\t *  @type {Number}\n\t\t\t *  @private\n\t\t\t */\n\t        this._nextTick = 0;\n\t        /**\n\t\t\t *  The last state of the clock.\n\t\t\t *  @type  {State}\n\t\t\t *  @private\n\t\t\t */\n\t        this._lastState = Tone.State.Stopped;\n\t        /**\n\t\t\t *  The rate the callback function should be invoked. \n\t\t\t *  @type  {BPM}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.frequency = new Tone.TimelineSignal(options.frequency, Tone.Type.Frequency);\n\t        this._readOnly('frequency');\n\t        /**\n\t\t\t *  The number of times the callback was invoked. Starts counting at 0\n\t\t\t *  and increments after the callback was invoked. \n\t\t\t *  @type {Ticks}\n\t\t\t *  @readOnly\n\t\t\t */\n\t        this.ticks = 0;\n\t        /**\n\t\t\t *  The state timeline\n\t\t\t *  @type {Tone.TimelineState}\n\t\t\t *  @private\n\t\t\t */\n\t        this._state = new Tone.TimelineState(Tone.State.Stopped);\n\t        /**\n\t\t\t *  The loop function bound to its context. \n\t\t\t *  This is necessary to remove the event in the end.\n\t\t\t *  @type {Function}\n\t\t\t *  @private\n\t\t\t */\n\t        this._boundLoop = this._loop.bind(this);\n\t        //bind a callback to the worker thread\n\t        this.context.on('tick', this._boundLoop);\n\t    };\n\t    Tone.extend(Tone.Clock, Tone.Emitter);\n\t    /**\n\t\t *  The defaults\n\t\t *  @const\n\t\t *  @type  {Object}\n\t\t */\n\t    Tone.Clock.defaults = {\n\t        'callback': Tone.noOp,\n\t        'frequency': 1,\n\t        'lookAhead': 'auto'\n\t    };\n\t    /**\n\t\t *  Returns the playback state of the source, either \"started\", \"stopped\" or \"paused\".\n\t\t *  @type {Tone.State}\n\t\t *  @readOnly\n\t\t *  @memberOf Tone.Clock#\n\t\t *  @name state\n\t\t */\n\t    Object.defineProperty(Tone.Clock.prototype, 'state', {\n\t        get: function () {\n\t            return this._state.getValueAtTime(this.now());\n\t        }\n\t    });\n\t    /**\n\t\t *  Start the clock at the given time. Optionally pass in an offset\n\t\t *  of where to start the tick counter from.\n\t\t *  @param  {Time}  time    The time the clock should start\n\t\t *  @param  {Ticks=}  offset  Where the tick counter starts counting from.\n\t\t *  @return  {Tone.Clock}  this\n\t\t */\n\t    Tone.Clock.prototype.start = function (time, offset) {\n\t        time = this.toSeconds(time);\n\t        if (this._state.getValueAtTime(time) !== Tone.State.Started) {\n\t            this._state.add({\n\t                'state': Tone.State.Started,\n\t                'time': time,\n\t                'offset': offset\n\t            });\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Stop the clock. Stopping the clock resets the tick counter to 0.\n\t\t *  @param {Time} [time=now] The time when the clock should stop.\n\t\t *  @returns {Tone.Clock} this\n\t\t *  @example\n\t\t * clock.stop();\n\t\t */\n\t    Tone.Clock.prototype.stop = function (time) {\n\t        time = this.toSeconds(time);\n\t        this._state.cancel(time);\n\t        this._state.setStateAtTime(Tone.State.Stopped, time);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Pause the clock. Pausing does not reset the tick counter.\n\t\t *  @param {Time} [time=now] The time when the clock should stop.\n\t\t *  @returns {Tone.Clock} this\n\t\t */\n\t    Tone.Clock.prototype.pause = function (time) {\n\t        time = this.toSeconds(time);\n\t        if (this._state.getValueAtTime(time) === Tone.State.Started) {\n\t            this._state.setStateAtTime(Tone.State.Paused, time);\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  The scheduling loop.\n\t\t *  @param  {Number}  time  The current page time starting from 0\n\t\t *                          when the page was loaded.\n\t\t *  @private\n\t\t */\n\t    Tone.Clock.prototype._loop = function () {\n\t        //get the frequency value to compute the value of the next loop\n\t        var now = this.now();\n\t        //if it's started\n\t        var lookAhead = this.context.lookAhead;\n\t        var updateInterval = this.context.updateInterval;\n\t        var lagCompensation = this.context.lag * 2;\n\t        var loopInterval = now + lookAhead + updateInterval + lagCompensation;\n\t        while (loopInterval > this._nextTick && this._state) {\n\t            var currentState = this._state.getValueAtTime(this._nextTick);\n\t            if (currentState !== this._lastState) {\n\t                this._lastState = currentState;\n\t                var event = this._state.get(this._nextTick);\n\t                // emit an event\n\t                if (currentState === Tone.State.Started) {\n\t                    //correct the time\n\t                    this._nextTick = event.time;\n\t                    if (!this.isUndef(event.offset)) {\n\t                        this.ticks = event.offset;\n\t                    }\n\t                    this.emit('start', event.time, this.ticks);\n\t                } else if (currentState === Tone.State.Stopped) {\n\t                    this.ticks = 0;\n\t                    this.emit('stop', event.time);\n\t                } else if (currentState === Tone.State.Paused) {\n\t                    this.emit('pause', event.time);\n\t                }\n\t            }\n\t            var tickTime = this._nextTick;\n\t            if (this.frequency) {\n\t                this._nextTick += 1 / this.frequency.getValueAtTime(this._nextTick);\n\t                if (currentState === Tone.State.Started) {\n\t                    this.callback(tickTime);\n\t                    this.ticks++;\n\t                }\n\t            }\n\t        }\n\t    };\n\t    /**\n\t\t *  Returns the scheduled state at the given time.\n\t\t *  @param  {Time}  time  The time to query.\n\t\t *  @return  {String}  The name of the state input in setStateAtTime.\n\t\t *  @example\n\t\t * clock.start(\"+0.1\");\n\t\t * clock.getStateAtTime(\"+0.1\"); //returns \"started\"\n\t\t */\n\t    Tone.Clock.prototype.getStateAtTime = function (time) {\n\t        time = this.toSeconds(time);\n\t        return this._state.getValueAtTime(time);\n\t    };\n\t    /**\n\t\t *  Clean up\n\t\t *  @returns {Tone.Clock} this\n\t\t */\n\t    Tone.Clock.prototype.dispose = function () {\n\t        Tone.Emitter.prototype.dispose.call(this);\n\t        this.context.off('tick', this._boundLoop);\n\t        this._writable('frequency');\n\t        this.frequency.dispose();\n\t        this.frequency = null;\n\t        this._boundLoop = null;\n\t        this._nextTick = Infinity;\n\t        this.callback = null;\n\t        this._state.dispose();\n\t        this._state = null;\n\t    };\n\t    return Tone.Clock;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Similar to Tone.Timeline, but all events represent\n\t\t *         intervals with both \"time\" and \"duration\" times. The \n\t\t *         events are placed in a tree structure optimized\n\t\t *         for querying an intersection point with the timeline\n\t\t *         events. Internally uses an [Interval Tree](https://en.wikipedia.org/wiki/Interval_tree)\n\t\t *         to represent the data.\n\t\t *  @extends {Tone}\n\t\t */\n\t    Tone.IntervalTimeline = function () {\n\t        /**\n\t\t\t *  The root node of the inteval tree\n\t\t\t *  @type  {IntervalNode}\n\t\t\t *  @private\n\t\t\t */\n\t        this._root = null;\n\t        /**\n\t\t\t *  Keep track of the length of the timeline.\n\t\t\t *  @type  {Number}\n\t\t\t *  @private\n\t\t\t */\n\t        this._length = 0;\n\t    };\n\t    Tone.extend(Tone.IntervalTimeline);\n\t    /**\n\t\t *  The event to add to the timeline. All events must \n\t\t *  have a time and duration value\n\t\t *  @param  {Object}  event  The event to add to the timeline\n\t\t *  @return  {Tone.IntervalTimeline}  this\n\t\t */\n\t    Tone.IntervalTimeline.prototype.add = function (event) {\n\t        if (this.isUndef(event.time) || this.isUndef(event.duration)) {\n\t            throw new Error('Tone.IntervalTimeline: events must have time and duration parameters');\n\t        }\n\t        var node = new IntervalNode(event.time, event.time + event.duration, event);\n\t        if (this._root === null) {\n\t            this._root = node;\n\t        } else {\n\t            this._root.insert(node);\n\t        }\n\t        this._length++;\n\t        // Restructure tree to be balanced\n\t        while (node !== null) {\n\t            node.updateHeight();\n\t            node.updateMax();\n\t            this._rebalance(node);\n\t            node = node.parent;\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Remove an event from the timeline.\n\t\t *  @param  {Object}  event  The event to remove from the timeline\n\t\t *  @return  {Tone.IntervalTimeline}  this\n\t\t */\n\t    Tone.IntervalTimeline.prototype.remove = function (event) {\n\t        if (this._root !== null) {\n\t            var results = [];\n\t            this._root.search(event.time, results);\n\t            for (var i = 0; i < results.length; i++) {\n\t                var node = results[i];\n\t                if (node.event === event) {\n\t                    this._removeNode(node);\n\t                    this._length--;\n\t                    break;\n\t                }\n\t            }\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  The number of items in the timeline.\n\t\t *  @type {Number}\n\t\t *  @memberOf Tone.IntervalTimeline#\n\t\t *  @name length\n\t\t *  @readOnly\n\t\t */\n\t    Object.defineProperty(Tone.IntervalTimeline.prototype, 'length', {\n\t        get: function () {\n\t            return this._length;\n\t        }\n\t    });\n\t    /**\n\t\t *  Remove events whose time time is after the given time\n\t\t *  @param  {Number}  time  The time to query.\n\t\t *  @returns {Tone.IntervalTimeline} this\n\t\t */\n\t    Tone.IntervalTimeline.prototype.cancel = function (after) {\n\t        this.forEachAfter(after, function (event) {\n\t            this.remove(event);\n\t        }.bind(this));\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Set the root node as the given node\n\t\t *  @param {IntervalNode} node\n\t\t *  @private\n\t\t */\n\t    Tone.IntervalTimeline.prototype._setRoot = function (node) {\n\t        this._root = node;\n\t        if (this._root !== null) {\n\t            this._root.parent = null;\n\t        }\n\t    };\n\t    /**\n\t\t *  Replace the references to the node in the node's parent\n\t\t *  with the replacement node.\n\t\t *  @param  {IntervalNode}  node        \n\t\t *  @param  {IntervalNode}  replacement \n\t\t *  @private\n\t\t */\n\t    Tone.IntervalTimeline.prototype._replaceNodeInParent = function (node, replacement) {\n\t        if (node.parent !== null) {\n\t            if (node.isLeftChild()) {\n\t                node.parent.left = replacement;\n\t            } else {\n\t                node.parent.right = replacement;\n\t            }\n\t            this._rebalance(node.parent);\n\t        } else {\n\t            this._setRoot(replacement);\n\t        }\n\t    };\n\t    /**\n\t\t *  Remove the node from the tree and replace it with \n\t\t *  a successor which follows the schema.\n\t\t *  @param  {IntervalNode}  node\n\t\t *  @private\n\t\t */\n\t    Tone.IntervalTimeline.prototype._removeNode = function (node) {\n\t        if (node.left === null && node.right === null) {\n\t            this._replaceNodeInParent(node, null);\n\t        } else if (node.right === null) {\n\t            this._replaceNodeInParent(node, node.left);\n\t        } else if (node.left === null) {\n\t            this._replaceNodeInParent(node, node.right);\n\t        } else {\n\t            var balance = node.getBalance();\n\t            var replacement, temp;\n\t            if (balance > 0) {\n\t                if (node.left.right === null) {\n\t                    replacement = node.left;\n\t                    replacement.right = node.right;\n\t                    temp = replacement;\n\t                } else {\n\t                    replacement = node.left.right;\n\t                    while (replacement.right !== null) {\n\t                        replacement = replacement.right;\n\t                    }\n\t                    replacement.parent.right = replacement.left;\n\t                    temp = replacement.parent;\n\t                    replacement.left = node.left;\n\t                    replacement.right = node.right;\n\t                }\n\t            } else {\n\t                if (node.right.left === null) {\n\t                    replacement = node.right;\n\t                    replacement.left = node.left;\n\t                    temp = replacement;\n\t                } else {\n\t                    replacement = node.right.left;\n\t                    while (replacement.left !== null) {\n\t                        replacement = replacement.left;\n\t                    }\n\t                    replacement.parent = replacement.parent;\n\t                    replacement.parent.left = replacement.right;\n\t                    temp = replacement.parent;\n\t                    replacement.left = node.left;\n\t                    replacement.right = node.right;\n\t                }\n\t            }\n\t            if (node.parent !== null) {\n\t                if (node.isLeftChild()) {\n\t                    node.parent.left = replacement;\n\t                } else {\n\t                    node.parent.right = replacement;\n\t                }\n\t            } else {\n\t                this._setRoot(replacement);\n\t            }\n\t            // this._replaceNodeInParent(node, replacement);\n\t            this._rebalance(temp);\n\t        }\n\t        node.dispose();\n\t    };\n\t    /**\n\t\t *  Rotate the tree to the left\n\t\t *  @param  {IntervalNode}  node\n\t\t *  @private\n\t\t */\n\t    Tone.IntervalTimeline.prototype._rotateLeft = function (node) {\n\t        var parent = node.parent;\n\t        var isLeftChild = node.isLeftChild();\n\t        // Make node.right the new root of this sub tree (instead of node)\n\t        var pivotNode = node.right;\n\t        node.right = pivotNode.left;\n\t        pivotNode.left = node;\n\t        if (parent !== null) {\n\t            if (isLeftChild) {\n\t                parent.left = pivotNode;\n\t            } else {\n\t                parent.right = pivotNode;\n\t            }\n\t        } else {\n\t            this._setRoot(pivotNode);\n\t        }\n\t    };\n\t    /**\n\t\t *  Rotate the tree to the right\n\t\t *  @param  {IntervalNode}  node\n\t\t *  @private\n\t\t */\n\t    Tone.IntervalTimeline.prototype._rotateRight = function (node) {\n\t        var parent = node.parent;\n\t        var isLeftChild = node.isLeftChild();\n\t        // Make node.left the new root of this sub tree (instead of node)\n\t        var pivotNode = node.left;\n\t        node.left = pivotNode.right;\n\t        pivotNode.right = node;\n\t        if (parent !== null) {\n\t            if (isLeftChild) {\n\t                parent.left = pivotNode;\n\t            } else {\n\t                parent.right = pivotNode;\n\t            }\n\t        } else {\n\t            this._setRoot(pivotNode);\n\t        }\n\t    };\n\t    /**\n\t\t *  Balance the BST\n\t\t *  @param  {IntervalNode}  node\n\t\t *  @private\n\t\t */\n\t    Tone.IntervalTimeline.prototype._rebalance = function (node) {\n\t        var balance = node.getBalance();\n\t        if (balance > 1) {\n\t            if (node.left.getBalance() < 0) {\n\t                this._rotateLeft(node.left);\n\t            } else {\n\t                this._rotateRight(node);\n\t            }\n\t        } else if (balance < -1) {\n\t            if (node.right.getBalance() > 0) {\n\t                this._rotateRight(node.right);\n\t            } else {\n\t                this._rotateLeft(node);\n\t            }\n\t        }\n\t    };\n\t    /**\n\t\t *  Get an event whose time and duration span the give time. Will\n\t\t *  return the match whose \"time\" value is closest to the given time.\n\t\t *  @param  {Object}  event  The event to add to the timeline\n\t\t *  @return  {Object}  The event which spans the desired time\n\t\t */\n\t    Tone.IntervalTimeline.prototype.get = function (time) {\n\t        if (this._root !== null) {\n\t            var results = [];\n\t            this._root.search(time, results);\n\t            if (results.length > 0) {\n\t                var max = results[0];\n\t                for (var i = 1; i < results.length; i++) {\n\t                    if (results[i].low > max.low) {\n\t                        max = results[i];\n\t                    }\n\t                }\n\t                return max.event;\n\t            }\n\t        }\n\t        return null;\n\t    };\n\t    /**\n\t\t *  Iterate over everything in the timeline.\n\t\t *  @param  {Function}  callback The callback to invoke with every item\n\t\t *  @returns {Tone.IntervalTimeline} this\n\t\t */\n\t    Tone.IntervalTimeline.prototype.forEach = function (callback) {\n\t        if (this._root !== null) {\n\t            var allNodes = [];\n\t            if (this._root !== null) {\n\t                this._root.traverse(function (node) {\n\t                    allNodes.push(node);\n\t                });\n\t            }\n\t            for (var i = 0; i < allNodes.length; i++) {\n\t                var ev = allNodes[i].event;\n\t                if (ev) {\n\t                    callback(ev);\n\t                }\n\t            }\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Iterate over everything in the array in which the given time\n\t\t *  overlaps with the time and duration time of the event.\n\t\t *  @param  {Number}  time The time to check if items are overlapping\n\t\t *  @param  {Function}  callback The callback to invoke with every item\n\t\t *  @returns {Tone.IntervalTimeline} this\n\t\t */\n\t    Tone.IntervalTimeline.prototype.forEachAtTime = function (time, callback) {\n\t        if (this._root !== null) {\n\t            var results = [];\n\t            this._root.search(time, results);\n\t            for (var i = results.length - 1; i >= 0; i--) {\n\t                var ev = results[i].event;\n\t                if (ev) {\n\t                    callback(ev);\n\t                }\n\t            }\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Iterate over everything in the array in which the time is greater\n\t\t *  than the given time.\n\t\t *  @param  {Number}  time The time to check if items are before\n\t\t *  @param  {Function}  callback The callback to invoke with every item\n\t\t *  @returns {Tone.IntervalTimeline} this\n\t\t */\n\t    Tone.IntervalTimeline.prototype.forEachAfter = function (time, callback) {\n\t        if (this._root !== null) {\n\t            var results = [];\n\t            this._root.searchAfter(time, results);\n\t            for (var i = results.length - 1; i >= 0; i--) {\n\t                var ev = results[i].event;\n\t                if (ev) {\n\t                    callback(ev);\n\t                }\n\t            }\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Clean up\n\t\t *  @return  {Tone.IntervalTimeline}  this\n\t\t */\n\t    Tone.IntervalTimeline.prototype.dispose = function () {\n\t        var allNodes = [];\n\t        if (this._root !== null) {\n\t            this._root.traverse(function (node) {\n\t                allNodes.push(node);\n\t            });\n\t        }\n\t        for (var i = 0; i < allNodes.length; i++) {\n\t            allNodes[i].dispose();\n\t        }\n\t        allNodes = null;\n\t        this._root = null;\n\t        return this;\n\t    };\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    //\tINTERVAL NODE HELPER\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    /**\n\t\t *  Represents a node in the binary search tree, with the addition\n\t\t *  of a \"high\" value which keeps track of the highest value of\n\t\t *  its children. \n\t\t *  References: \n\t\t *  https://brooknovak.wordpress.com/2013/12/07/augmented-interval-tree-in-c/\n\t\t *  http://www.mif.vu.lt/~valdas/ALGORITMAI/LITERATURA/Cormen/Cormen.pdf\n\t\t *  @param {Number} low\n\t\t *  @param {Number} high\n\t\t *  @private\n\t\t */\n\t    var IntervalNode = function (low, high, event) {\n\t        //the event container\n\t        this.event = event;\n\t        //the low value\n\t        this.low = low;\n\t        //the high value\n\t        this.high = high;\n\t        //the high value for this and all child nodes\n\t        this.max = this.high;\n\t        //the nodes to the left\n\t        this._left = null;\n\t        //the nodes to the right\n\t        this._right = null;\n\t        //the parent node\n\t        this.parent = null;\n\t        //the number of child nodes\n\t        this.height = 0;\n\t    };\n\t    /** \n\t\t *  Insert a node into the correct spot in the tree\n\t\t *  @param  {IntervalNode}  node\n\t\t */\n\t    IntervalNode.prototype.insert = function (node) {\n\t        if (node.low <= this.low) {\n\t            if (this.left === null) {\n\t                this.left = node;\n\t            } else {\n\t                this.left.insert(node);\n\t            }\n\t        } else {\n\t            if (this.right === null) {\n\t                this.right = node;\n\t            } else {\n\t                this.right.insert(node);\n\t            }\n\t        }\n\t    };\n\t    /**\n\t\t *  Search the tree for nodes which overlap \n\t\t *  with the given point\n\t\t *  @param  {Number}  point  The point to query\n\t\t *  @param  {Array}  results  The array to put the results\n\t\t */\n\t    IntervalNode.prototype.search = function (point, results) {\n\t        // If p is to the right of the rightmost point of any interval\n\t        // in this node and all children, there won't be any matches.\n\t        if (point > this.max) {\n\t            return;\n\t        }\n\t        // Search left children\n\t        if (this.left !== null) {\n\t            this.left.search(point, results);\n\t        }\n\t        // Check this node\n\t        if (this.low <= point && this.high > point) {\n\t            results.push(this);\n\t        }\n\t        // If p is to the left of the time of this interval,\n\t        // then it can't be in any child to the right.\n\t        if (this.low > point) {\n\t            return;\n\t        }\n\t        // Search right children\n\t        if (this.right !== null) {\n\t            this.right.search(point, results);\n\t        }\n\t    };\n\t    /**\n\t\t *  Search the tree for nodes which are less \n\t\t *  than the given point\n\t\t *  @param  {Number}  point  The point to query\n\t\t *  @param  {Array}  results  The array to put the results\n\t\t */\n\t    IntervalNode.prototype.searchAfter = function (point, results) {\n\t        // Check this node\n\t        if (this.low >= point) {\n\t            results.push(this);\n\t            if (this.left !== null) {\n\t                this.left.searchAfter(point, results);\n\t            }\n\t        }\n\t        // search the right side\n\t        if (this.right !== null) {\n\t            this.right.searchAfter(point, results);\n\t        }\n\t    };\n\t    /**\n\t\t *  Invoke the callback on this element and both it's branches\n\t\t *  @param  {Function}  callback\n\t\t */\n\t    IntervalNode.prototype.traverse = function (callback) {\n\t        callback(this);\n\t        if (this.left !== null) {\n\t            this.left.traverse(callback);\n\t        }\n\t        if (this.right !== null) {\n\t            this.right.traverse(callback);\n\t        }\n\t    };\n\t    /**\n\t\t *  Update the height of the node\n\t\t */\n\t    IntervalNode.prototype.updateHeight = function () {\n\t        if (this.left !== null && this.right !== null) {\n\t            this.height = Math.max(this.left.height, this.right.height) + 1;\n\t        } else if (this.right !== null) {\n\t            this.height = this.right.height + 1;\n\t        } else if (this.left !== null) {\n\t            this.height = this.left.height + 1;\n\t        } else {\n\t            this.height = 0;\n\t        }\n\t    };\n\t    /**\n\t\t *  Update the height of the node\n\t\t */\n\t    IntervalNode.prototype.updateMax = function () {\n\t        this.max = this.high;\n\t        if (this.left !== null) {\n\t            this.max = Math.max(this.max, this.left.max);\n\t        }\n\t        if (this.right !== null) {\n\t            this.max = Math.max(this.max, this.right.max);\n\t        }\n\t    };\n\t    /**\n\t\t *  The balance is how the leafs are distributed on the node\n\t\t *  @return  {Number}  Negative numbers are balanced to the right\n\t\t */\n\t    IntervalNode.prototype.getBalance = function () {\n\t        var balance = 0;\n\t        if (this.left !== null && this.right !== null) {\n\t            balance = this.left.height - this.right.height;\n\t        } else if (this.left !== null) {\n\t            balance = this.left.height + 1;\n\t        } else if (this.right !== null) {\n\t            balance = -(this.right.height + 1);\n\t        }\n\t        return balance;\n\t    };\n\t    /**\n\t\t *  @returns {Boolean} true if this node is the left child\n\t\t *  of its parent\n\t\t */\n\t    IntervalNode.prototype.isLeftChild = function () {\n\t        return this.parent !== null && this.parent.left === this;\n\t    };\n\t    /**\n\t\t *  get/set the left node\n\t\t *  @type {IntervalNode}\n\t\t */\n\t    Object.defineProperty(IntervalNode.prototype, 'left', {\n\t        get: function () {\n\t            return this._left;\n\t        },\n\t        set: function (node) {\n\t            this._left = node;\n\t            if (node !== null) {\n\t                node.parent = this;\n\t            }\n\t            this.updateHeight();\n\t            this.updateMax();\n\t        }\n\t    });\n\t    /**\n\t\t *  get/set the right node\n\t\t *  @type {IntervalNode}\n\t\t */\n\t    Object.defineProperty(IntervalNode.prototype, 'right', {\n\t        get: function () {\n\t            return this._right;\n\t        },\n\t        set: function (node) {\n\t            this._right = node;\n\t            if (node !== null) {\n\t                node.parent = this;\n\t            }\n\t            this.updateHeight();\n\t            this.updateMax();\n\t        }\n\t    });\n\t    /**\n\t\t *  null out references.\n\t\t */\n\t    IntervalNode.prototype.dispose = function () {\n\t        this.parent = null;\n\t        this._left = null;\n\t        this._right = null;\n\t        this.event = null;\n\t    };\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    //\tEND INTERVAL NODE HELPER\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    return Tone.IntervalTimeline;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  Transport for timing musical events.\n\t\t *          Supports tempo curves and time changes. Unlike browser-based timing (setInterval, requestAnimationFrame)\n\t\t *          Tone.Transport timing events pass in the exact time of the scheduled event\n\t\t *          in the argument of the callback function. Pass that time value to the object\n\t\t *          you're scheduling. <br><br>\n\t\t *          A single transport is created for you when the library is initialized. \n\t\t *          <br><br>\n\t\t *          The transport emits the events: \"start\", \"stop\", \"pause\", and \"loop\" which are\n\t\t *          called with the time of that event as the argument. \n\t\t *\n\t\t *  @extends {Tone.Emitter}\n\t\t *  @singleton\n\t\t *  @example\n\t\t * //repeated event every 8th note\n\t\t * Tone.Transport.scheduleRepeat(function(time){\n\t\t * \t//do something with the time\n\t\t * }, \"8n\");\n\t\t *  @example\n\t\t * //schedule an event on the 16th measure\n\t\t * Tone.Transport.schedule(function(time){\n\t\t * \t//do something with the time\n\t\t * }, \"16:0:0\");\n\t\t */\n\t    Tone.Transport = function () {\n\t        Tone.Emitter.call(this);\n\t        ///////////////////////////////////////////////////////////////////////\n\t        //\tLOOPING\n\t        //////////////////////////////////////////////////////////////////////\n\t        /** \n\t\t\t * \tIf the transport loops or not.\n\t\t\t *  @type {boolean}\n\t\t\t */\n\t        this.loop = false;\n\t        /** \n\t\t\t * \tThe loop start position in ticks\n\t\t\t *  @type {Ticks}\n\t\t\t *  @private\n\t\t\t */\n\t        this._loopStart = 0;\n\t        /** \n\t\t\t * \tThe loop end position in ticks\n\t\t\t *  @type {Ticks}\n\t\t\t *  @private\n\t\t\t */\n\t        this._loopEnd = 0;\n\t        ///////////////////////////////////////////////////////////////////////\n\t        //\tCLOCK/TEMPO\n\t        //////////////////////////////////////////////////////////////////////\n\t        /**\n\t\t\t *  Pulses per quarter is the number of ticks per quarter note.\n\t\t\t *  @private\n\t\t\t *  @type  {Number}\n\t\t\t */\n\t        this._ppq = TransportConstructor.defaults.PPQ;\n\t        /**\n\t\t\t *  watches the main oscillator for timing ticks\n\t\t\t *  initially starts at 120bpm\n\t\t\t *  @private\n\t\t\t *  @type {Tone.Clock}\n\t\t\t */\n\t        this._clock = new Tone.Clock({\n\t            'callback': this._processTick.bind(this),\n\t            'frequency': 0\n\t        });\n\t        this._bindClockEvents();\n\t        /**\n\t\t\t *  The Beats Per Minute of the Transport. \n\t\t\t *  @type {BPM}\n\t\t\t *  @signal\n\t\t\t *  @example\n\t\t\t * Tone.Transport.bpm.value = 80;\n\t\t\t * //ramp the bpm to 120 over 10 seconds\n\t\t\t * Tone.Transport.bpm.rampTo(120, 10);\n\t\t\t */\n\t        this.bpm = this._clock.frequency;\n\t        this.bpm._toUnits = this._toUnits.bind(this);\n\t        this.bpm._fromUnits = this._fromUnits.bind(this);\n\t        this.bpm.units = Tone.Type.BPM;\n\t        this.bpm.value = TransportConstructor.defaults.bpm;\n\t        this._readOnly('bpm');\n\t        /**\n\t\t\t *  The time signature, or more accurately the numerator\n\t\t\t *  of the time signature over a denominator of 4. \n\t\t\t *  @type {Number}\n\t\t\t *  @private\n\t\t\t */\n\t        this._timeSignature = TransportConstructor.defaults.timeSignature;\n\t        ///////////////////////////////////////////////////////////////////////\n\t        //\tTIMELINE EVENTS\n\t        //////////////////////////////////////////////////////////////////////\n\t        /**\n\t\t\t *  All the events in an object to keep track by ID\n\t\t\t *  @type {Object}\n\t\t\t *  @private\n\t\t\t */\n\t        this._scheduledEvents = {};\n\t        /**\n\t\t\t *  The event ID counter\n\t\t\t *  @type {Number}\n\t\t\t *  @private\n\t\t\t */\n\t        this._eventID = 0;\n\t        /**\n\t\t\t * \tThe scheduled events.\n\t\t\t *  @type {Tone.Timeline}\n\t\t\t *  @private\n\t\t\t */\n\t        this._timeline = new Tone.Timeline();\n\t        /**\n\t\t\t *  Repeated events\n\t\t\t *  @type {Array}\n\t\t\t *  @private\n\t\t\t */\n\t        this._repeatedEvents = new Tone.IntervalTimeline();\n\t        /**\n\t\t\t *  Events that occur once\n\t\t\t *  @type {Array}\n\t\t\t *  @private\n\t\t\t */\n\t        this._onceEvents = new Tone.Timeline();\n\t        /** \n\t\t\t *  All of the synced Signals\n\t\t\t *  @private \n\t\t\t *  @type {Array}\n\t\t\t */\n\t        this._syncedSignals = [];\n\t        ///////////////////////////////////////////////////////////////////////\n\t        //\tSWING\n\t        //////////////////////////////////////////////////////////////////////\n\t        /**\n\t\t\t *  The subdivision of the swing\n\t\t\t *  @type  {Ticks}\n\t\t\t *  @private\n\t\t\t */\n\t        this._swingTicks = TransportConstructor.defaults.PPQ / 2;\n\t        //8n\n\t        /**\n\t\t\t *  The swing amount\n\t\t\t *  @type {NormalRange}\n\t\t\t *  @private\n\t\t\t */\n\t        this._swingAmount = 0;\n\t    };\n\t    Tone.extend(Tone.Transport, Tone.Emitter);\n\t    /**\n\t\t *  the defaults\n\t\t *  @type {Object}\n\t\t *  @const\n\t\t *  @static\n\t\t */\n\t    Tone.Transport.defaults = {\n\t        'bpm': 120,\n\t        'swing': 0,\n\t        'swingSubdivision': '8n',\n\t        'timeSignature': 4,\n\t        'loopStart': 0,\n\t        'loopEnd': '4m',\n\t        'PPQ': 192\n\t    };\n\t    ///////////////////////////////////////////////////////////////////////////////\n\t    //\tTICKS\n\t    ///////////////////////////////////////////////////////////////////////////////\n\t    /**\n\t\t *  called on every tick\n\t\t *  @param   {number} tickTime clock relative tick time\n\t\t *  @private\n\t\t */\n\t    Tone.Transport.prototype._processTick = function (tickTime) {\n\t        var ticks = this._clock.ticks;\n\t        //handle swing\n\t        if (this._swingAmount > 0 && ticks % this._ppq !== 0 && //not on a downbeat\n\t            ticks % (this._swingTicks * 2) !== 0) {\n\t            //add some swing\n\t            var progress = ticks % (this._swingTicks * 2) / (this._swingTicks * 2);\n\t            var amount = Math.sin(progress * Math.PI) * this._swingAmount;\n\t            tickTime += Tone.Time(this._swingTicks * 2 / 3, 'i') * amount;\n\t        }\n\t        //do the loop test\n\t        if (this.loop) {\n\t            if (ticks === this._loopEnd) {\n\t                this.emit('loopEnd', tickTime);\n\t                this._clock.ticks = this._loopStart;\n\t                ticks = this._loopStart;\n\t                this.emit('loopStart', tickTime, this.seconds);\n\t                this.emit('loop', tickTime);\n\t            }\n\t        }\n\t        //process the single occurrence events\n\t        this._onceEvents.forEachBefore(ticks, function (event) {\n\t            event.callback(tickTime);\n\t            //remove the event\n\t            delete this._scheduledEvents[event.id.toString()];\n\t        }.bind(this));\n\t        //and clear the single occurrence timeline\n\t        this._onceEvents.cancelBefore(ticks);\n\t        //fire the next tick events if their time has come\n\t        this._timeline.forEachAtTime(ticks, function (event) {\n\t            event.callback(tickTime);\n\t        });\n\t        //process the repeated events\n\t        this._repeatedEvents.forEachAtTime(ticks, function (event) {\n\t            if ((ticks - event.time) % event.interval === 0) {\n\t                event.callback(tickTime);\n\t            }\n\t        });\n\t    };\n\t    ///////////////////////////////////////////////////////////////////////////////\n\t    //\tSCHEDULABLE EVENTS\n\t    ///////////////////////////////////////////////////////////////////////////////\n\t    /**\n\t\t *  Schedule an event along the timeline.\n\t\t *  @param {Function} callback The callback to be invoked at the time.\n\t\t *  @param {TransportTime}  time The time to invoke the callback at.\n\t\t *  @return {Number} The id of the event which can be used for canceling the event. \n\t\t *  @example\n\t\t * //trigger the callback when the Transport reaches the desired time\n\t\t * Tone.Transport.schedule(function(time){\n\t\t * \tenvelope.triggerAttack(time);\n\t\t * }, \"128i\");\n\t\t */\n\t    Tone.Transport.prototype.schedule = function (callback, time) {\n\t        var event = {\n\t            'time': this.toTicks(time),\n\t            'callback': callback\n\t        };\n\t        var id = this._eventID++;\n\t        this._scheduledEvents[id.toString()] = {\n\t            'event': event,\n\t            'timeline': this._timeline\n\t        };\n\t        this._timeline.add(event);\n\t        return id;\n\t    };\n\t    /**\n\t\t *  Schedule a repeated event along the timeline. The event will fire\n\t\t *  at the `interval` starting at the `startTime` and for the specified\n\t\t *  `duration`. \n\t\t *  @param  {Function}  callback   The callback to invoke.\n\t\t *  @param  {Time}    interval   The duration between successive\n\t\t *                               callbacks.\n\t\t *  @param  {TimelinePosition=}    startTime  When along the timeline the events should\n\t\t *                               start being invoked.\n\t\t *  @param {Time} [duration=Infinity] How long the event should repeat. \n\t\t *  @return  {Number}    The ID of the scheduled event. Use this to cancel\n\t\t *                           the event. \n\t\t *  @example\n\t\t * //a callback invoked every eighth note after the first measure\n\t\t * Tone.Transport.scheduleRepeat(callback, \"8n\", \"1m\");\n\t\t */\n\t    Tone.Transport.prototype.scheduleRepeat = function (callback, interval, startTime, duration) {\n\t        if (interval <= 0) {\n\t            throw new Error('Tone.Transport: repeat events must have an interval larger than 0');\n\t        }\n\t        var event = {\n\t            'time': this.toTicks(startTime),\n\t            'duration': this.toTicks(this.defaultArg(duration, Infinity)),\n\t            'interval': this.toTicks(interval),\n\t            'callback': callback\n\t        };\n\t        var id = this._eventID++;\n\t        this._scheduledEvents[id.toString()] = {\n\t            'event': event,\n\t            'timeline': this._repeatedEvents\n\t        };\n\t        this._repeatedEvents.add(event);\n\t        return id;\n\t    };\n\t    /**\n\t\t *  Schedule an event that will be removed after it is invoked. \n\t\t *  Note that if the given time is less than the current transport time, \n\t\t *  the event will be invoked immediately. \n\t\t *  @param {Function} callback The callback to invoke once.\n\t\t *  @param {TransportTime} time The time the callback should be invoked.\n\t\t *  @returns {Number} The ID of the scheduled event. \n\t\t */\n\t    Tone.Transport.prototype.scheduleOnce = function (callback, time) {\n\t        var id = this._eventID++;\n\t        var event = {\n\t            'time': this.toTicks(time),\n\t            'callback': callback,\n\t            'id': id\n\t        };\n\t        this._scheduledEvents[id.toString()] = {\n\t            'event': event,\n\t            'timeline': this._onceEvents\n\t        };\n\t        this._onceEvents.add(event);\n\t        return id;\n\t    };\n\t    /**\n\t\t *  Clear the passed in event id from the timeline\n\t\t *  @param {Number} eventId The id of the event.\n\t\t *  @returns {Tone.Transport} this\n\t\t */\n\t    Tone.Transport.prototype.clear = function (eventId) {\n\t        if (this._scheduledEvents.hasOwnProperty(eventId)) {\n\t            var item = this._scheduledEvents[eventId.toString()];\n\t            item.timeline.remove(item.event);\n\t            delete this._scheduledEvents[eventId.toString()];\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Remove scheduled events from the timeline after\n\t\t *  the given time. Repeated events will be removed\n\t\t *  if their startTime is after the given time\n\t\t *  @param {TransportTime} [after=0] Clear all events after\n\t\t *                          this time. \n\t\t *  @returns {Tone.Transport} this\n\t\t */\n\t    Tone.Transport.prototype.cancel = function (after) {\n\t        after = this.defaultArg(after, 0);\n\t        after = this.toTicks(after);\n\t        this._timeline.cancel(after);\n\t        this._onceEvents.cancel(after);\n\t        this._repeatedEvents.cancel(after);\n\t        return this;\n\t    };\n\t    ///////////////////////////////////////////////////////////////////////////////\n\t    //\tSTART/STOP/PAUSE\n\t    ///////////////////////////////////////////////////////////////////////////////\n\t    /**\n\t\t *  Bind start/stop/pause events from the clock and emit them.\n\t\t */\n\t    Tone.Transport.prototype._bindClockEvents = function () {\n\t        this._clock.on('start', function (time, offset) {\n\t            offset = Tone.Time(this._clock.ticks, 'i').toSeconds();\n\t            this.emit('start', time, offset);\n\t        }.bind(this));\n\t        this._clock.on('stop', function (time) {\n\t            this.emit('stop', time);\n\t        }.bind(this));\n\t        this._clock.on('pause', function (time) {\n\t            this.emit('pause', time);\n\t        }.bind(this));\n\t    };\n\t    /**\n\t\t *  Returns the playback state of the source, either \"started\", \"stopped\", or \"paused\"\n\t\t *  @type {Tone.State}\n\t\t *  @readOnly\n\t\t *  @memberOf Tone.Transport#\n\t\t *  @name state\n\t\t */\n\t    Object.defineProperty(Tone.Transport.prototype, 'state', {\n\t        get: function () {\n\t            return this._clock.getStateAtTime(this.now());\n\t        }\n\t    });\n\t    /**\n\t\t *  Start the transport and all sources synced to the transport.\n\t\t *  @param  {Time} [time=now] The time when the transport should start.\n\t\t *  @param  {TransportTime=} offset The timeline offset to start the transport.\n\t\t *  @returns {Tone.Transport} this\n\t\t *  @example\n\t\t * //start the transport in one second starting at beginning of the 5th measure. \n\t\t * Tone.Transport.start(\"+1\", \"4:0:0\");\n\t\t */\n\t    Tone.Transport.prototype.start = function (time, offset) {\n\t        //start the clock\n\t        if (!this.isUndef(offset)) {\n\t            offset = this.toTicks(offset);\n\t        }\n\t        this._clock.start(time, offset);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Stop the transport and all sources synced to the transport.\n\t\t *  @param  {Time} [time=now] The time when the transport should stop. \n\t\t *  @returns {Tone.Transport} this\n\t\t *  @example\n\t\t * Tone.Transport.stop();\n\t\t */\n\t    Tone.Transport.prototype.stop = function (time) {\n\t        this._clock.stop(time);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Pause the transport and all sources synced to the transport.\n\t\t *  @param  {Time} [time=now]\n\t\t *  @returns {Tone.Transport} this\n\t\t */\n\t    Tone.Transport.prototype.pause = function (time) {\n\t        this._clock.pause(time);\n\t        return this;\n\t    };\n\t    ///////////////////////////////////////////////////////////////////////////////\n\t    //\tSETTERS/GETTERS\n\t    ///////////////////////////////////////////////////////////////////////////////\n\t    /**\n\t\t *  The time signature as just the numerator over 4. \n\t\t *  For example 4/4 would be just 4 and 6/8 would be 3.\n\t\t *  @memberOf Tone.Transport#\n\t\t *  @type {Number|Array}\n\t\t *  @name timeSignature\n\t\t *  @example\n\t\t * //common time\n\t\t * Tone.Transport.timeSignature = 4;\n\t\t * // 7/8\n\t\t * Tone.Transport.timeSignature = [7, 8];\n\t\t * //this will be reduced to a single number\n\t\t * Tone.Transport.timeSignature; //returns 3.5\n\t\t */\n\t    Object.defineProperty(Tone.Transport.prototype, 'timeSignature', {\n\t        get: function () {\n\t            return this._timeSignature;\n\t        },\n\t        set: function (timeSig) {\n\t            if (this.isArray(timeSig)) {\n\t                timeSig = timeSig[0] / timeSig[1] * 4;\n\t            }\n\t            this._timeSignature = timeSig;\n\t        }\n\t    });\n\t    /**\n\t\t * When the Tone.Transport.loop = true, this is the starting position of the loop.\n\t\t * @memberOf Tone.Transport#\n\t\t * @type {TransportTime}\n\t\t * @name loopStart\n\t\t */\n\t    Object.defineProperty(Tone.Transport.prototype, 'loopStart', {\n\t        get: function () {\n\t            return Tone.TransportTime(this._loopStart, 'i').toSeconds();\n\t        },\n\t        set: function (startPosition) {\n\t            this._loopStart = this.toTicks(startPosition);\n\t        }\n\t    });\n\t    /**\n\t\t * When the Tone.Transport.loop = true, this is the ending position of the loop.\n\t\t * @memberOf Tone.Transport#\n\t\t * @type {TransportTime}\n\t\t * @name loopEnd\n\t\t */\n\t    Object.defineProperty(Tone.Transport.prototype, 'loopEnd', {\n\t        get: function () {\n\t            return Tone.TransportTime(this._loopEnd, 'i').toSeconds();\n\t        },\n\t        set: function (endPosition) {\n\t            this._loopEnd = this.toTicks(endPosition);\n\t        }\n\t    });\n\t    /**\n\t\t *  Set the loop start and stop at the same time. \n\t\t *  @param {TransportTime} startPosition \n\t\t *  @param {TransportTime} endPosition   \n\t\t *  @returns {Tone.Transport} this\n\t\t *  @example\n\t\t * //loop over the first measure\n\t\t * Tone.Transport.setLoopPoints(0, \"1m\");\n\t\t * Tone.Transport.loop = true;\n\t\t */\n\t    Tone.Transport.prototype.setLoopPoints = function (startPosition, endPosition) {\n\t        this.loopStart = startPosition;\n\t        this.loopEnd = endPosition;\n\t        return this;\n\t    };\n\t    /**\n\t\t *  The swing value. Between 0-1 where 1 equal to \n\t\t *  the note + half the subdivision.\n\t\t *  @memberOf Tone.Transport#\n\t\t *  @type {NormalRange}\n\t\t *  @name swing\n\t\t */\n\t    Object.defineProperty(Tone.Transport.prototype, 'swing', {\n\t        get: function () {\n\t            return this._swingAmount;\n\t        },\n\t        set: function (amount) {\n\t            //scale the values to a normal range\n\t            this._swingAmount = amount;\n\t        }\n\t    });\n\t    /**\n\t\t *  Set the subdivision which the swing will be applied to. \n\t\t *  The default value is an 8th note. Value must be less \n\t\t *  than a quarter note.\n\t\t *  \n\t\t *  @memberOf Tone.Transport#\n\t\t *  @type {Time}\n\t\t *  @name swingSubdivision\n\t\t */\n\t    Object.defineProperty(Tone.Transport.prototype, 'swingSubdivision', {\n\t        get: function () {\n\t            return Tone.Time(this._swingTicks, 'i').toNotation();\n\t        },\n\t        set: function (subdivision) {\n\t            this._swingTicks = this.toTicks(subdivision);\n\t        }\n\t    });\n\t    /**\n\t\t *  The Transport's position in Bars:Beats:Sixteenths.\n\t\t *  Setting the value will jump to that position right away. \n\t\t *  @memberOf Tone.Transport#\n\t\t *  @type {BarsBeatsSixteenths}\n\t\t *  @name position\n\t\t */\n\t    Object.defineProperty(Tone.Transport.prototype, 'position', {\n\t        get: function () {\n\t            return Tone.TransportTime(this.ticks, 'i').toBarsBeatsSixteenths();\n\t        },\n\t        set: function (progress) {\n\t            var ticks = this.toTicks(progress);\n\t            this.ticks = ticks;\n\t        }\n\t    });\n\t    /**\n\t\t *  The Transport's position in seconds\n\t\t *  Setting the value will jump to that position right away. \n\t\t *  @memberOf Tone.Transport#\n\t\t *  @type {Seconds}\n\t\t *  @name seconds\n\t\t */\n\t    Object.defineProperty(Tone.Transport.prototype, 'seconds', {\n\t        get: function () {\n\t            return Tone.TransportTime(this.ticks, 'i').toSeconds();\n\t        },\n\t        set: function (progress) {\n\t            var ticks = this.toTicks(progress);\n\t            this.ticks = ticks;\n\t        }\n\t    });\n\t    /**\n\t\t *  The Transport's loop position as a normalized value. Always\n\t\t *  returns 0 if the transport if loop is not true. \n\t\t *  @memberOf Tone.Transport#\n\t\t *  @name progress\n\t\t *  @type {NormalRange}\n\t\t */\n\t    Object.defineProperty(Tone.Transport.prototype, 'progress', {\n\t        get: function () {\n\t            if (this.loop) {\n\t                return (this.ticks - this._loopStart) / (this._loopEnd - this._loopStart);\n\t            } else {\n\t                return 0;\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t *  The transports current tick position.\n\t\t *  \n\t\t *  @memberOf Tone.Transport#\n\t\t *  @type {Ticks}\n\t\t *  @name ticks\n\t\t */\n\t    Object.defineProperty(Tone.Transport.prototype, 'ticks', {\n\t        get: function () {\n\t            return this._clock.ticks;\n\t        },\n\t        set: function (t) {\n\t            if (this._clock.ticks !== t) {\n\t                var now = this.now();\n\t                //stop everything synced to the transport\n\t                if (this.state === Tone.State.Started) {\n\t                    this.emit('stop', now);\n\t                    this._clock.ticks = t;\n\t                    //restart it with the new time\n\t                    this.emit('start', now, this.seconds);\n\t                } else {\n\t                    this._clock.ticks = t;\n\t                }\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t *  Pulses Per Quarter note. This is the smallest resolution\n\t\t *  the Transport timing supports. This should be set once\n\t\t *  on initialization and not set again. Changing this value \n\t\t *  after other objects have been created can cause problems. \n\t\t *  \n\t\t *  @memberOf Tone.Transport#\n\t\t *  @type {Number}\n\t\t *  @name PPQ\n\t\t */\n\t    Object.defineProperty(Tone.Transport.prototype, 'PPQ', {\n\t        get: function () {\n\t            return this._ppq;\n\t        },\n\t        set: function (ppq) {\n\t            var bpm = this.bpm.value;\n\t            this._ppq = ppq;\n\t            this.bpm.value = bpm;\n\t        }\n\t    });\n\t    /**\n\t\t *  The hint to the type of playback. Affects tradeoffs between audio \n\t\t *  output latency and responsiveness. \n\t\t *  \n\t\t *  In addition to setting the value in seconds, the latencyHint also\n\t\t *  accepts the strings \"interactive\" (prioritizes low latency), \n\t\t *  \"playback\" (prioritizes sustained playback), \"balanced\" (balances\n\t\t *  latency and performance), and \"fastest\" (lowest latency, might glitch more often). \n\t\t *  @memberOf Tone.Transport#\n\t\t *  @type {Seconds|String}\n\t\t *  @name latencyHint\n\t\t */\n\t    Object.defineProperty(Tone.Transport.prototype, 'latencyHint', {\n\t        get: function () {\n\t            return Tone.Clock.latencyHint;\n\t        },\n\t        set: function (hint) {\n\t            Tone.Clock.latencyHint = hint;\n\t        }\n\t    });\n\t    /**\n\t\t *  Convert from BPM to frequency (factoring in PPQ)\n\t\t *  @param  {BPM}  bpm The BPM value to convert to frequency\n\t\t *  @return  {Frequency}  The BPM as a frequency with PPQ factored in.\n\t\t *  @private\n\t\t */\n\t    Tone.Transport.prototype._fromUnits = function (bpm) {\n\t        return 1 / (60 / bpm / this.PPQ);\n\t    };\n\t    /**\n\t\t *  Convert from frequency (with PPQ) into BPM\n\t\t *  @param  {Frequency}  freq The clocks frequency to convert to BPM\n\t\t *  @return  {BPM}  The frequency value as BPM.\n\t\t *  @private\n\t\t */\n\t    Tone.Transport.prototype._toUnits = function (freq) {\n\t        return freq / this.PPQ * 60;\n\t    };\n\t    ///////////////////////////////////////////////////////////////////////////////\n\t    //\tSYNCING\n\t    ///////////////////////////////////////////////////////////////////////////////\n\t    /**\n\t\t *  Returns the time aligned to the next subdivision\n\t\t *  of the Transport. If the Transport is not started,\n\t\t *  it will return 0.\n\t\t *  Note: this will not work precisely during tempo ramps.\n\t\t *  @param  {Time}  subdivision  The subdivision to quantize to\n\t\t *  @return  {Number}  The context time of the next subdivision.\n\t\t *  @example\n\t\t * Tone.Transport.start(); //the transport must be started\n\t\t * Tone.Transport.nextSubdivision(\"4n\");\n\t\t */\n\t    Tone.Transport.prototype.nextSubdivision = function (subdivision) {\n\t        subdivision = this.toSeconds(subdivision);\n\t        //if the transport's not started, return 0\n\t        var now;\n\t        if (this.state === Tone.State.Started) {\n\t            now = this._clock._nextTick;\n\t        } else {\n\t            return 0;\n\t        }\n\t        var transportPos = Tone.Time(this.ticks, 'i');\n\t        var remainingTime = subdivision - transportPos % subdivision;\n\t        if (remainingTime === 0) {\n\t            remainingTime = subdivision;\n\t        }\n\t        return now + remainingTime;\n\t    };\n\t    /**\n\t\t *  Attaches the signal to the tempo control signal so that \n\t\t *  any changes in the tempo will change the signal in the same\n\t\t *  ratio. \n\t\t *  \n\t\t *  @param  {Tone.Signal} signal \n\t\t *  @param {number=} ratio Optionally pass in the ratio between\n\t\t *                         the two signals. Otherwise it will be computed\n\t\t *                         based on their current values. \n\t\t *  @returns {Tone.Transport} this\n\t\t */\n\t    Tone.Transport.prototype.syncSignal = function (signal, ratio) {\n\t        if (!ratio) {\n\t            //get the sync ratio\n\t            if (signal._param.value !== 0) {\n\t                ratio = signal._param.value / this.bpm._param.value;\n\t            } else {\n\t                ratio = 0;\n\t            }\n\t        }\n\t        var ratioSignal = new Tone.Gain(ratio);\n\t        this.bpm.chain(ratioSignal, signal._param);\n\t        this._syncedSignals.push({\n\t            'ratio': ratioSignal,\n\t            'signal': signal,\n\t            'initial': signal._param.value\n\t        });\n\t        signal._param.value = 0;\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Unsyncs a previously synced signal from the transport's control. \n\t\t *  See Tone.Transport.syncSignal.\n\t\t *  @param  {Tone.Signal} signal \n\t\t *  @returns {Tone.Transport} this\n\t\t */\n\t    Tone.Transport.prototype.unsyncSignal = function (signal) {\n\t        for (var i = this._syncedSignals.length - 1; i >= 0; i--) {\n\t            var syncedSignal = this._syncedSignals[i];\n\t            if (syncedSignal.signal === signal) {\n\t                syncedSignal.ratio.dispose();\n\t                syncedSignal.signal._param.value = syncedSignal.initial;\n\t                this._syncedSignals.splice(i, 1);\n\t            }\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Clean up. \n\t\t *  @returns {Tone.Transport} this\n\t\t *  @private\n\t\t */\n\t    Tone.Transport.prototype.dispose = function () {\n\t        Tone.Emitter.prototype.dispose.call(this);\n\t        this._clock.dispose();\n\t        this._clock = null;\n\t        this._writable('bpm');\n\t        this.bpm = null;\n\t        this._timeline.dispose();\n\t        this._timeline = null;\n\t        this._onceEvents.dispose();\n\t        this._onceEvents = null;\n\t        this._repeatedEvents.dispose();\n\t        this._repeatedEvents = null;\n\t        return this;\n\t    };\n\t    ///////////////////////////////////////////////////////////////////////////////\n\t    //\tINITIALIZATION\n\t    ///////////////////////////////////////////////////////////////////////////////\n\t    var TransportConstructor = Tone.Transport;\n\t    Tone.Transport = new TransportConstructor();\n\t    Tone.Context.on('init', function (context) {\n\t        if (context.Transport instanceof TransportConstructor) {\n\t            Tone.Transport = context.Transport;\n\t        } else {\n\t            Tone.Transport = new TransportConstructor();\n\t            //store the Transport on the context so it can be retrieved later\n\t            context.Transport = Tone.Transport;\n\t        }\n\t    });\n\t    return Tone.Transport;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Tone.Volume is a simple volume node, useful for creating a volume fader. \n\t\t *\n\t\t *  @extends {Tone}\n\t\t *  @constructor\n\t\t *  @param {Decibels} [volume=0] the initial volume\n\t\t *  @example\n\t\t * var vol = new Tone.Volume(-12);\n\t\t * instrument.chain(vol, Tone.Master);\n\t\t */\n\t    Tone.Volume = function () {\n\t        var options = this.optionsObject(arguments, ['volume'], Tone.Volume.defaults);\n\t        /**\n\t\t\t * the output node\n\t\t\t * @type {GainNode}\n\t\t\t * @private\n\t\t\t */\n\t        this.output = this.input = new Tone.Gain(options.volume, Tone.Type.Decibels);\n\t        /**\n\t\t\t * The unmuted volume\n\t\t\t * @type {Decibels}\n\t\t\t * @private\n\t\t\t */\n\t        this._unmutedVolume = options.volume;\n\t        /**\n\t\t\t *  The volume control in decibels. \n\t\t\t *  @type {Decibels}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.volume = this.output.gain;\n\t        this._readOnly('volume');\n\t        //set the mute initially\n\t        this.mute = options.mute;\n\t    };\n\t    Tone.extend(Tone.Volume);\n\t    /**\n\t\t *  Defaults\n\t\t *  @type  {Object}\n\t\t *  @const\n\t\t *  @static\n\t\t */\n\t    Tone.Volume.defaults = {\n\t        'volume': 0,\n\t        'mute': false\n\t    };\n\t    /**\n\t\t * Mute the output. \n\t\t * @memberOf Tone.Volume#\n\t\t * @type {boolean}\n\t\t * @name mute\n\t\t * @example\n\t\t * //mute the output\n\t\t * volume.mute = true;\n\t\t */\n\t    Object.defineProperty(Tone.Volume.prototype, 'mute', {\n\t        get: function () {\n\t            return this.volume.value === -Infinity;\n\t        },\n\t        set: function (mute) {\n\t            if (!this.mute && mute) {\n\t                this._unmutedVolume = this.volume.value;\n\t                //maybe it should ramp here?\n\t                this.volume.value = -Infinity;\n\t            } else if (this.mute && !mute) {\n\t                this.volume.value = this._unmutedVolume;\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t *  clean up\n\t\t *  @returns {Tone.Volume} this\n\t\t */\n\t    Tone.Volume.prototype.dispose = function () {\n\t        this.input.dispose();\n\t        Tone.prototype.dispose.call(this);\n\t        this._writable('volume');\n\t        this.volume.dispose();\n\t        this.volume = null;\n\t        return this;\n\t    };\n\t    return Tone.Volume;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  A single master output which is connected to the\n\t\t *          AudioDestinationNode (aka your speakers). \n\t\t *          It provides useful conveniences such as the ability \n\t\t *          to set the volume and mute the entire application. \n\t\t *          It also gives you the ability to apply master effects to your application. \n\t\t *          <br><br>\n\t\t *          Like Tone.Transport, A single Tone.Master is created\n\t\t *          on initialization and you do not need to explicitly construct one.\n\t\t *\n\t\t *  @constructor\n\t\t *  @extends {Tone}\n\t\t *  @singleton\n\t\t *  @example\n\t\t * //the audio will go from the oscillator to the speakers\n\t\t * oscillator.connect(Tone.Master);\n\t\t * //a convenience for connecting to the master output is also provided:\n\t\t * oscillator.toMaster();\n\t\t * //the above two examples are equivalent.\n\t\t */\n\t    Tone.Master = function () {\n\t        this.createInsOuts(1, 1);\n\t        /**\n\t\t\t *  The private volume node\n\t\t\t *  @type  {Tone.Volume}\n\t\t\t *  @private\n\t\t\t */\n\t        this._volume = this.output = new Tone.Volume();\n\t        /**\n\t\t\t * The volume of the master output.\n\t\t\t * @type {Decibels}\n\t\t\t * @signal\n\t\t\t */\n\t        this.volume = this._volume.volume;\n\t        this._readOnly('volume');\n\t        //connections\n\t        this.input.chain(this.output, this.context.destination);\n\t    };\n\t    Tone.extend(Tone.Master);\n\t    /**\n\t\t *  @type {Object}\n\t\t *  @const\n\t\t */\n\t    Tone.Master.defaults = {\n\t        'volume': 0,\n\t        'mute': false\n\t    };\n\t    /**\n\t\t * Mute the output. \n\t\t * @memberOf Tone.Master#\n\t\t * @type {boolean}\n\t\t * @name mute\n\t\t * @example\n\t\t * //mute the output\n\t\t * Tone.Master.mute = true;\n\t\t */\n\t    Object.defineProperty(Tone.Master.prototype, 'mute', {\n\t        get: function () {\n\t            return this._volume.mute;\n\t        },\n\t        set: function (mute) {\n\t            this._volume.mute = mute;\n\t        }\n\t    });\n\t    /**\n\t\t *  Add a master effects chain. NOTE: this will disconnect any nodes which were previously \n\t\t *  chained in the master effects chain. \n\t\t *  @param {AudioNode|Tone...} args All arguments will be connected in a row\n\t\t *                                  and the Master will be routed through it.\n\t\t *  @return  {Tone.Master}  this\n\t\t *  @example\n\t\t * //some overall compression to keep the levels in check\n\t\t * var masterCompressor = new Tone.Compressor({\n\t\t * \t\"threshold\" : -6,\n\t\t * \t\"ratio\" : 3,\n\t\t * \t\"attack\" : 0.5,\n\t\t * \t\"release\" : 0.1\n\t\t * });\n\t\t * //give a little boost to the lows\n\t\t * var lowBump = new Tone.Filter(200, \"lowshelf\");\n\t\t * //route everything through the filter \n\t\t * //and compressor before going to the speakers\n\t\t * Tone.Master.chain(lowBump, masterCompressor);\n\t\t */\n\t    Tone.Master.prototype.chain = function () {\n\t        this.input.disconnect();\n\t        this.input.chain.apply(this.input, arguments);\n\t        arguments[arguments.length - 1].connect(this.output);\n\t    };\n\t    /**\n\t\t *  Clean up\n\t\t *  @return  {Tone.Master}  this\n\t\t */\n\t    Tone.Master.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._writable('volume');\n\t        this._volume.dispose();\n\t        this._volume = null;\n\t        this.volume = null;\n\t    };\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    //\tAUGMENT TONE's PROTOTYPE\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    /**\n\t\t *  Connect 'this' to the master output. Shorthand for this.connect(Tone.Master)\n\t\t *  @returns {Tone} this\n\t\t *  @example\n\t\t * //connect an oscillator to the master output\n\t\t * var osc = new Tone.Oscillator().toMaster();\n\t\t */\n\t    Tone.prototype.toMaster = function () {\n\t        this.connect(Tone.Master);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Also augment AudioNode's prototype to include toMaster\n\t\t *  as a convenience\n\t\t *  @returns {AudioNode} this\n\t\t */\n\t    AudioNode.prototype.toMaster = function () {\n\t        this.connect(Tone.Master);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  initialize the module and listen for new audio contexts\n\t\t */\n\t    var MasterConstructor = Tone.Master;\n\t    Tone.Master = new MasterConstructor();\n\t    Tone.Context.on('init', function (context) {\n\t        // if it already exists, just restore it\n\t        if (context.Master instanceof MasterConstructor) {\n\t            Tone.Master = context.Master;\n\t        } else {\n\t            Tone.Master = new MasterConstructor();\n\t        }\n\t        context.Master = Tone.Master;\n\t    });\n\t    return Tone.Master;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  Base class for sources. Sources have start/stop methods\n\t\t *          and the ability to be synced to the \n\t\t *          start/stop of Tone.Transport. \n\t\t *\n\t\t *  @constructor\n\t\t *  @extends {Tone}\n\t\t *  @example\n\t\t * //Multiple state change events can be chained together,\n\t\t * //but must be set in the correct order and with ascending times\n\t\t * \n\t\t * // OK\n\t\t * state.start().stop(\"+0.2\");\n\t\t * // AND\n\t\t * state.start().stop(\"+0.2\").start(\"+0.4\").stop(\"+0.7\")\n\t\t *\n\t\t * // BAD\n\t\t * state.stop(\"+0.2\").start();\n\t\t * // OR\n\t\t * state.start(\"+0.3\").stop(\"+0.2\");\n\t\t * \n\t\t */\n\t    Tone.Source = function (options) {\n\t        // this.createInsOuts(0, 1);\n\t        options = this.defaultArg(options, Tone.Source.defaults);\n\t        /**\n\t\t\t *  The output volume node\n\t\t\t *  @type  {Tone.Volume}\n\t\t\t *  @private\n\t\t\t */\n\t        this._volume = this.output = new Tone.Volume(options.volume);\n\t        /**\n\t\t\t * The volume of the output in decibels.\n\t\t\t * @type {Decibels}\n\t\t\t * @signal\n\t\t\t * @example\n\t\t\t * source.volume.value = -6;\n\t\t\t */\n\t        this.volume = this._volume.volume;\n\t        this._readOnly('volume');\n\t        /**\n\t\t\t * \tKeep track of the scheduled state.\n\t\t\t *  @type {Tone.TimelineState}\n\t\t\t *  @private\n\t\t\t */\n\t        this._state = new Tone.TimelineState(Tone.State.Stopped);\n\t        this._state.memory = 10;\n\t        /**\n\t\t\t *  The synced `start` callback function from the transport\n\t\t\t *  @type {Function}\n\t\t\t *  @private\n\t\t\t */\n\t        this._synced = false;\n\t        /**\n\t\t\t *  Keep track of all of the scheduled event ids\n\t\t\t *  @type  {Array}\n\t\t\t *  @private\n\t\t\t */\n\t        this._scheduled = [];\n\t        //make the output explicitly stereo\n\t        this._volume.output.output.channelCount = 2;\n\t        this._volume.output.output.channelCountMode = 'explicit';\n\t        //mute initially\n\t        this.mute = options.mute;\n\t    };\n\t    Tone.extend(Tone.Source);\n\t    /**\n\t\t *  The default parameters\n\t\t *  @static\n\t\t *  @const\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.Source.defaults = {\n\t        'volume': 0,\n\t        'mute': false\n\t    };\n\t    /**\n\t\t *  Returns the playback state of the source, either \"started\" or \"stopped\".\n\t\t *  @type {Tone.State}\n\t\t *  @readOnly\n\t\t *  @memberOf Tone.Source#\n\t\t *  @name state\n\t\t */\n\t    Object.defineProperty(Tone.Source.prototype, 'state', {\n\t        get: function () {\n\t            if (this._synced) {\n\t                if (Tone.Transport.state === Tone.State.Started) {\n\t                    return this._state.getValueAtTime(Tone.Transport.seconds);\n\t                } else {\n\t                    return Tone.State.Stopped;\n\t                }\n\t            } else {\n\t                return this._state.getValueAtTime(this.now());\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t * Mute the output. \n\t\t * @memberOf Tone.Source#\n\t\t * @type {boolean}\n\t\t * @name mute\n\t\t * @example\n\t\t * //mute the output\n\t\t * source.mute = true;\n\t\t */\n\t    Object.defineProperty(Tone.Source.prototype, 'mute', {\n\t        get: function () {\n\t            return this._volume.mute;\n\t        },\n\t        set: function (mute) {\n\t            this._volume.mute = mute;\n\t        }\n\t    });\n\t    //overwrite these functions\n\t    Tone.Source.prototype._start = Tone.noOp;\n\t    Tone.Source.prototype._stop = Tone.noOp;\n\t    /**\n\t\t *  Start the source at the specified time. If no time is given, \n\t\t *  start the source now.\n\t\t *  @param  {Time} [time=now] When the source should be started.\n\t\t *  @returns {Tone.Source} this\n\t\t *  @example\n\t\t * source.start(\"+0.5\"); //starts the source 0.5 seconds from now\n\t\t */\n\t    Tone.Source.prototype.start = function (time, offset, duration) {\n\t        if (this.isUndef(time) && this._synced) {\n\t            time = Tone.Transport.seconds;\n\t        } else {\n\t            time = this.toSeconds(time);\n\t        }\n\t        //if it's started, stop it and restart it\n\t        if (!this.retrigger && this._state.getValueAtTime(time) === Tone.State.Started) {\n\t            this.stop(time);\n\t        }\n\t        this._state.setStateAtTime(Tone.State.Started, time);\n\t        if (this._synced) {\n\t            // add the offset time to the event\n\t            var event = this._state.get(time);\n\t            event.offset = this.defaultArg(offset, 0);\n\t            event.duration = duration;\n\t            var sched = Tone.Transport.schedule(function (t) {\n\t                this._start(t, offset, duration);\n\t            }.bind(this), time);\n\t            this._scheduled.push(sched);\n\t        } else {\n\t            this._start.apply(this, arguments);\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Stop the source at the specified time. If no time is given, \n\t\t *  stop the source now.\n\t\t *  @param  {Time} [time=now] When the source should be stopped. \n\t\t *  @returns {Tone.Source} this\n\t\t *  @example\n\t\t * source.stop(); // stops the source immediately\n\t\t */\n\t    Tone.Source.prototype.stop = function (time) {\n\t        if (this.isUndef(time) && this._synced) {\n\t            time = Tone.Transport.seconds;\n\t        } else {\n\t            time = this.toSeconds(time);\n\t        }\n\t        this._state.cancel(time);\n\t        this._state.setStateAtTime(Tone.State.Stopped, time);\n\t        if (!this._synced) {\n\t            this._stop.apply(this, arguments);\n\t        } else {\n\t            var sched = Tone.Transport.schedule(this._stop.bind(this), time);\n\t            this._scheduled.push(sched);\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Sync the source to the Transport so that all subsequent\n\t\t *  calls to `start` and `stop` are synced to the TransportTime\n\t\t *  instead of the AudioContext time. \n\t\t *\n\t\t *  @returns {Tone.Source} this\n\t\t *  @example\n\t\t * //sync the source so that it plays between 0 and 0.3 on the Transport's timeline\n\t\t * source.sync().start(0).stop(0.3);\n\t\t * //start the transport.\n\t\t * Tone.Transport.start();\n\t\t *\n\t\t *  @example\n\t\t * //start the transport with an offset and the sync'ed sources\n\t\t * //will start in the correct position\n\t\t * source.sync().start(0.1);\n\t\t * //the source will be invoked with an offset of 0.4\n\t\t * Tone.Transport.start(\"+0.5\", 0.5);\n\t\t */\n\t    Tone.Source.prototype.sync = function () {\n\t        this._synced = true;\n\t        Tone.Transport.on('start loopStart', function (time, offset) {\n\t            if (offset > 0) {\n\t                // get the playback state at that time\n\t                var stateEvent = this._state.get(offset);\n\t                // listen for start events which may occur in the middle of the sync'ed time\n\t                if (stateEvent && stateEvent.state === Tone.State.Started && stateEvent.time !== offset) {\n\t                    // get the offset\n\t                    var startOffset = offset - this.toSeconds(stateEvent.time);\n\t                    var duration;\n\t                    if (stateEvent.duration) {\n\t                        duration = this.toSeconds(stateEvent.duration) - startOffset;\n\t                    }\n\t                    this._start(time, this.toSeconds(stateEvent.offset) + startOffset, duration);\n\t                }\n\t            }\n\t        }.bind(this));\n\t        Tone.Transport.on('stop pause loopEnd', function (time) {\n\t            if (this._state.getValueAtTime(Tone.Transport.seconds) === Tone.State.Started) {\n\t                this._stop(time);\n\t            }\n\t        }.bind(this));\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Unsync the source to the Transport. See Tone.Source.sync\n\t\t *  @returns {Tone.Source} this\n\t\t */\n\t    Tone.Source.prototype.unsync = function () {\n\t        this._synced = false;\n\t        Tone.Transport.off('start stop pause loopEnd loopStart');\n\t        // clear all of the scheduled ids\n\t        for (var i = 0; i < this._scheduled.length; i++) {\n\t            var id = this._scheduled[i];\n\t            Tone.Transport.clear(id);\n\t        }\n\t        this._scheduled = [];\n\t        this._state.cancel(0);\n\t        return this;\n\t    };\n\t    /**\n\t\t *\tClean up.\n\t\t *  @return {Tone.Source} this\n\t\t */\n\t    Tone.Source.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this.unsync();\n\t        this._scheduled = null;\n\t        this._writable('volume');\n\t        this._volume.dispose();\n\t        this._volume = null;\n\t        this.volume = null;\n\t        this._state.dispose();\n\t        this._state = null;\n\t    };\n\t    return Tone.Source;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  OscillatorNode shim\n\t\t *  @private\n\t\t */\n\t    if (window.OscillatorNode && !OscillatorNode.prototype.start) {\n\t        OscillatorNode.prototype.start = OscillatorNode.prototype.noteOn;\n\t        OscillatorNode.prototype.stop = OscillatorNode.prototype.noteOff;\n\t        if (!OscillatorNode.prototype.setPeriodicWave) {\n\t            OscillatorNode.prototype.setPeriodicWave = OscillatorNode.prototype.setWaveTable;\n\t        }\n\t        if (!AudioContext.prototype.createPeriodicWave) {\n\t            AudioContext.prototype.createPeriodicWave = AudioContext.prototype.createWaveTable;\n\t        }\n\t    }\n\t    /**\n\t\t *  @class Tone.Oscillator supports a number of features including\n\t\t *         phase rotation, multiple oscillator types (see Tone.Oscillator.type), \n\t\t *         and Transport syncing (see Tone.Oscillator.syncFrequency).\n\t\t *\n\t\t *  @constructor\n\t\t *  @extends {Tone.Source}\n\t\t *  @param {Frequency} [frequency] Starting frequency\n\t\t *  @param {string} [type] The oscillator type. Read more about type below.\n\t\t *  @example\n\t\t * //make and start a 440hz sine tone\n\t\t * var osc = new Tone.Oscillator(440, \"sine\").toMaster().start();\n\t\t */\n\t    Tone.Oscillator = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'frequency',\n\t            'type'\n\t        ], Tone.Oscillator.defaults);\n\t        Tone.Source.call(this, options);\n\t        /**\n\t\t\t *  the main oscillator\n\t\t\t *  @type {OscillatorNode}\n\t\t\t *  @private\n\t\t\t */\n\t        this._oscillator = null;\n\t        /**\n\t\t\t *  The frequency control.\n\t\t\t *  @type {Frequency}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.frequency = new Tone.Signal(options.frequency, Tone.Type.Frequency);\n\t        /**\n\t\t\t *  The detune control signal.\n\t\t\t *  @type {Cents}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.detune = new Tone.Signal(options.detune, Tone.Type.Cents);\n\t        /**\n\t\t\t *  the periodic wave\n\t\t\t *  @type {PeriodicWave}\n\t\t\t *  @private\n\t\t\t */\n\t        this._wave = null;\n\t        /**\n\t\t\t *  The partials of the oscillator\n\t\t\t *  @type {Array}\n\t\t\t *  @private\n\t\t\t */\n\t        this._partials = this.defaultArg(options.partials, [1]);\n\t        /**\n\t\t\t *  the phase of the oscillator\n\t\t\t *  between 0 - 360\n\t\t\t *  @type {number}\n\t\t\t *  @private\n\t\t\t */\n\t        this._phase = options.phase;\n\t        /**\n\t\t\t *  the type of the oscillator\n\t\t\t *  @type {string}\n\t\t\t *  @private\n\t\t\t */\n\t        this._type = null;\n\t        //setup\n\t        this.type = options.type;\n\t        this.phase = this._phase;\n\t        this._readOnly([\n\t            'frequency',\n\t            'detune'\n\t        ]);\n\t    };\n\t    Tone.extend(Tone.Oscillator, Tone.Source);\n\t    /**\n\t\t *  the default parameters\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.Oscillator.defaults = {\n\t        'type': 'sine',\n\t        'frequency': 440,\n\t        'detune': 0,\n\t        'phase': 0,\n\t        'partials': []\n\t    };\n\t    /**\n\t\t *  The Oscillator types\n\t\t *  @enum {String}\n\t\t */\n\t    Tone.Oscillator.Type = {\n\t        Sine: 'sine',\n\t        Triangle: 'triangle',\n\t        Sawtooth: 'sawtooth',\n\t        Square: 'square',\n\t        Custom: 'custom'\n\t    };\n\t    /**\n\t\t *  start the oscillator\n\t\t *  @param  {Time} [time=now] \n\t\t *  @private\n\t\t */\n\t    Tone.Oscillator.prototype._start = function (time) {\n\t        //new oscillator with previous values\n\t        this._oscillator = this.context.createOscillator();\n\t        this._oscillator.setPeriodicWave(this._wave);\n\t        //connect the control signal to the oscillator frequency & detune\n\t        this._oscillator.connect(this.output);\n\t        this.frequency.connect(this._oscillator.frequency);\n\t        this.detune.connect(this._oscillator.detune);\n\t        //start the oscillator\n\t        this._oscillator.start(this.toSeconds(time));\n\t    };\n\t    /**\n\t\t *  stop the oscillator\n\t\t *  @private\n\t\t *  @param  {Time} [time=now] (optional) timing parameter\n\t\t *  @returns {Tone.Oscillator} this\n\t\t */\n\t    Tone.Oscillator.prototype._stop = function (time) {\n\t        if (this._oscillator) {\n\t            this._oscillator.stop(this.toSeconds(time));\n\t            this._oscillator = null;\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Sync the signal to the Transport's bpm. Any changes to the transports bpm,\n\t\t *  will also affect the oscillators frequency. \n\t\t *  @returns {Tone.Oscillator} this\n\t\t *  @example\n\t\t * Tone.Transport.bpm.value = 120;\n\t\t * osc.frequency.value = 440;\n\t\t * //the ration between the bpm and the frequency will be maintained\n\t\t * osc.syncFrequency();\n\t\t * Tone.Transport.bpm.value = 240; \n\t\t * // the frequency of the oscillator is doubled to 880\n\t\t */\n\t    Tone.Oscillator.prototype.syncFrequency = function () {\n\t        Tone.Transport.syncSignal(this.frequency);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Unsync the oscillator's frequency from the Transport. \n\t\t *  See Tone.Oscillator.syncFrequency\n\t\t *  @returns {Tone.Oscillator} this\n\t\t */\n\t    Tone.Oscillator.prototype.unsyncFrequency = function () {\n\t        Tone.Transport.unsyncSignal(this.frequency);\n\t        return this;\n\t    };\n\t    /**\n\t\t * The type of the oscillator: either sine, square, triangle, or sawtooth. Also capable of\n\t\t * setting the first x number of partials of the oscillator. For example: \"sine4\" would\n\t\t * set be the first 4 partials of the sine wave and \"triangle8\" would set the first\n\t\t * 8 partials of the triangle wave.\n\t\t * <br><br> \n\t\t * Uses PeriodicWave internally even for native types so that it can set the phase. \n\t\t * PeriodicWave equations are from the \n\t\t * [Webkit Web Audio implementation](https://code.google.com/p/chromium/codesearch#chromium/src/third_party/WebKit/Source/modules/webaudio/PeriodicWave.cpp&sq=package:chromium).\n\t\t *  \n\t\t * @memberOf Tone.Oscillator#\n\t\t * @type {string}\n\t\t * @name type\n\t\t * @example\n\t\t * //set it to a square wave\n\t\t * osc.type = \"square\";\n\t\t * @example\n\t\t * //set the first 6 partials of a sawtooth wave\n\t\t * osc.type = \"sawtooth6\";\n\t\t */\n\t    Object.defineProperty(Tone.Oscillator.prototype, 'type', {\n\t        get: function () {\n\t            return this._type;\n\t        },\n\t        set: function (type) {\n\t            var coefs = this._getRealImaginary(type, this._phase);\n\t            var periodicWave = this.context.createPeriodicWave(coefs[0], coefs[1]);\n\t            this._wave = periodicWave;\n\t            if (this._oscillator !== null) {\n\t                this._oscillator.setPeriodicWave(this._wave);\n\t            }\n\t            this._type = type;\n\t        }\n\t    });\n\t    /**\n\t\t *  Returns the real and imaginary components based \n\t\t *  on the oscillator type.\n\t\t *  @returns {Array} [real, imaginary]\n\t\t *  @private\n\t\t */\n\t    Tone.Oscillator.prototype._getRealImaginary = function (type, phase) {\n\t        var fftSize = 4096;\n\t        var periodicWaveSize = fftSize / 2;\n\t        var real = new Float32Array(periodicWaveSize);\n\t        var imag = new Float32Array(periodicWaveSize);\n\t        var partialCount = 1;\n\t        if (type === Tone.Oscillator.Type.Custom) {\n\t            partialCount = this._partials.length + 1;\n\t            periodicWaveSize = partialCount;\n\t        } else {\n\t            var partial = /^(sine|triangle|square|sawtooth)(\\d+)$/.exec(type);\n\t            if (partial) {\n\t                partialCount = parseInt(partial[2]) + 1;\n\t                type = partial[1];\n\t                partialCount = Math.max(partialCount, 2);\n\t                periodicWaveSize = partialCount;\n\t            }\n\t        }\n\t        for (var n = 1; n < periodicWaveSize; ++n) {\n\t            var piFactor = 2 / (n * Math.PI);\n\t            var b;\n\t            switch (type) {\n\t            case Tone.Oscillator.Type.Sine:\n\t                b = n <= partialCount ? 1 : 0;\n\t                break;\n\t            case Tone.Oscillator.Type.Square:\n\t                b = n & 1 ? 2 * piFactor : 0;\n\t                break;\n\t            case Tone.Oscillator.Type.Sawtooth:\n\t                b = piFactor * (n & 1 ? 1 : -1);\n\t                break;\n\t            case Tone.Oscillator.Type.Triangle:\n\t                if (n & 1) {\n\t                    b = 2 * (piFactor * piFactor) * (n - 1 >> 1 & 1 ? -1 : 1);\n\t                } else {\n\t                    b = 0;\n\t                }\n\t                break;\n\t            case Tone.Oscillator.Type.Custom:\n\t                b = this._partials[n - 1];\n\t                break;\n\t            default:\n\t                throw new TypeError('Tone.Oscillator: invalid type: ' + type);\n\t            }\n\t            if (b !== 0) {\n\t                real[n] = -b * Math.sin(phase * n);\n\t                imag[n] = b * Math.cos(phase * n);\n\t            } else {\n\t                real[n] = 0;\n\t                imag[n] = 0;\n\t            }\n\t        }\n\t        return [\n\t            real,\n\t            imag\n\t        ];\n\t    };\n\t    /**\n\t\t *  Compute the inverse FFT for a given phase.\t\n\t\t *  @param  {Float32Array}  real\n\t\t *  @param  {Float32Array}  imag \n\t\t *  @param  {NormalRange}  phase \n\t\t *  @return  {AudioRange}\n\t\t *  @private\n\t\t */\n\t    Tone.Oscillator.prototype._inverseFFT = function (real, imag, phase) {\n\t        var sum = 0;\n\t        var len = real.length;\n\t        for (var i = 0; i < len; i++) {\n\t            sum += real[i] * Math.cos(i * phase) + imag[i] * Math.sin(i * phase);\n\t        }\n\t        return sum;\n\t    };\n\t    /**\n\t\t *  Returns the initial value of the oscillator.\n\t\t *  @return  {AudioRange}\n\t\t *  @private\n\t\t */\n\t    Tone.Oscillator.prototype._getInitialValue = function () {\n\t        var coefs = this._getRealImaginary(this._type, 0);\n\t        var real = coefs[0];\n\t        var imag = coefs[1];\n\t        var maxValue = 0;\n\t        var twoPi = Math.PI * 2;\n\t        //check for peaks in 8 places\n\t        for (var i = 0; i < 8; i++) {\n\t            maxValue = Math.max(this._inverseFFT(real, imag, i / 8 * twoPi), maxValue);\n\t        }\n\t        return -this._inverseFFT(real, imag, this._phase) / maxValue;\n\t    };\n\t    /**\n\t\t * The partials of the waveform. A partial represents \n\t\t * the amplitude at a harmonic. The first harmonic is the \n\t\t * fundamental frequency, the second is the octave and so on\n\t\t * following the harmonic series. \n\t\t * Setting this value will automatically set the type to \"custom\". \n\t\t * The value is an empty array when the type is not \"custom\". \n\t\t * @memberOf Tone.Oscillator#\n\t\t * @type {Array}\n\t\t * @name partials\n\t\t * @example\n\t\t * osc.partials = [1, 0.2, 0.01];\n\t\t */\n\t    Object.defineProperty(Tone.Oscillator.prototype, 'partials', {\n\t        get: function () {\n\t            if (this._type !== Tone.Oscillator.Type.Custom) {\n\t                return [];\n\t            } else {\n\t                return this._partials;\n\t            }\n\t        },\n\t        set: function (partials) {\n\t            this._partials = partials;\n\t            this.type = Tone.Oscillator.Type.Custom;\n\t        }\n\t    });\n\t    /**\n\t\t * The phase of the oscillator in degrees. \n\t\t * @memberOf Tone.Oscillator#\n\t\t * @type {Degrees}\n\t\t * @name phase\n\t\t * @example\n\t\t * osc.phase = 180; //flips the phase of the oscillator\n\t\t */\n\t    Object.defineProperty(Tone.Oscillator.prototype, 'phase', {\n\t        get: function () {\n\t            return this._phase * (180 / Math.PI);\n\t        },\n\t        set: function (phase) {\n\t            this._phase = phase * Math.PI / 180;\n\t            //reset the type\n\t            this.type = this._type;\n\t        }\n\t    });\n\t    /**\n\t\t *  Dispose and disconnect.\n\t\t *  @return {Tone.Oscillator} this\n\t\t */\n\t    Tone.Oscillator.prototype.dispose = function () {\n\t        Tone.Source.prototype.dispose.call(this);\n\t        if (this._oscillator !== null) {\n\t            this._oscillator.disconnect();\n\t            this._oscillator = null;\n\t        }\n\t        this._wave = null;\n\t        this._writable([\n\t            'frequency',\n\t            'detune'\n\t        ]);\n\t        this.frequency.dispose();\n\t        this.frequency = null;\n\t        this.detune.dispose();\n\t        this.detune = null;\n\t        this._partials = null;\n\t        return this;\n\t    };\n\t    return Tone.Oscillator;\n\t});\n\tModule(function (Tone) {\n\t    /**\n\t\t *  @class Tone.Zero outputs 0's at audio-rate. The reason this has to be\n\t\t *         it's own class is that many browsers optimize out Tone.Signal\n\t\t *         with a value of 0 and will not process nodes further down the graph. \n\t\t *  @extends {Tone}\n\t\t */\n\t    Tone.Zero = function () {\n\t        /**\n\t\t\t *  The gain node\n\t\t\t *  @type  {Tone.Gain}\n\t\t\t *  @private\n\t\t\t */\n\t        this._gain = this.input = this.output = new Tone.Gain();\n\t        this.context.getConstant(0).connect(this._gain);\n\t    };\n\t    Tone.extend(Tone.Zero);\n\t    /**\n\t\t *  clean up\n\t\t *  @return  {Tone.Zero}  this\n\t\t */\n\t    Tone.Zero.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._gain.dispose();\n\t        this._gain = null;\n\t        return this;\n\t    };\n\t    return Tone.Zero;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  LFO stands for low frequency oscillator. Tone.LFO produces an output signal \n\t\t *          which can be attached to an AudioParam or Tone.Signal \n\t\t *          in order to modulate that parameter with an oscillator. The LFO can \n\t\t *          also be synced to the transport to start/stop and change when the tempo changes.\n\t\t *\n\t\t *  @constructor\n\t\t *  @extends {Tone.Oscillator}\n\t\t *  @param {Frequency|Object} [frequency] The frequency of the oscillation. Typically, LFOs will be\n\t\t *                               in the frequency range of 0.1 to 10 hertz. \n\t\t *  @param {number=} min The minimum output value of the LFO. \n\t\t *  @param {number=} max The maximum value of the LFO. \n\t\t *  @example\n\t\t * var lfo = new Tone.LFO(\"4n\", 400, 4000);\n\t\t * lfo.connect(filter.frequency);\n\t\t */\n\t    Tone.LFO = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'frequency',\n\t            'min',\n\t            'max'\n\t        ], Tone.LFO.defaults);\n\t        /** \n\t\t\t *  The oscillator. \n\t\t\t *  @type {Tone.Oscillator}\n\t\t\t *  @private\n\t\t\t */\n\t        this._oscillator = new Tone.Oscillator({\n\t            'frequency': options.frequency,\n\t            'type': options.type\n\t        });\n\t        /**\n\t\t\t *  the lfo's frequency\n\t\t\t *  @type {Frequency}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.frequency = this._oscillator.frequency;\n\t        /**\n\t\t\t * The amplitude of the LFO, which controls the output range between\n\t\t\t * the min and max output. For example if the min is -10 and the max \n\t\t\t * is 10, setting the amplitude to 0.5 would make the LFO modulate\n\t\t\t * between -5 and 5. \n\t\t\t * @type {Number}\n\t\t\t * @signal\n\t\t\t */\n\t        this.amplitude = this._oscillator.volume;\n\t        this.amplitude.units = Tone.Type.NormalRange;\n\t        this.amplitude.value = options.amplitude;\n\t        /**\n\t\t\t *  The signal which is output when the LFO is stopped\n\t\t\t *  @type  {Tone.Signal}\n\t\t\t *  @private\n\t\t\t */\n\t        this._stoppedSignal = new Tone.Signal(0, Tone.Type.AudioRange);\n\t        /**\n\t\t\t *  Just outputs zeros.\n\t\t\t *  @type {Tone.Zero}\n\t\t\t *  @private\n\t\t\t */\n\t        this._zeros = new Tone.Zero();\n\t        /**\n\t\t\t *  The value that the LFO outputs when it's stopped\n\t\t\t *  @type {AudioRange}\n\t\t\t *  @private\n\t\t\t */\n\t        this._stoppedValue = 0;\n\t        /**\n\t\t\t *  @type {Tone.AudioToGain} \n\t\t\t *  @private\n\t\t\t */\n\t        this._a2g = new Tone.AudioToGain();\n\t        /**\n\t\t\t *  @type {Tone.Scale} \n\t\t\t *  @private\n\t\t\t */\n\t        this._scaler = this.output = new Tone.Scale(options.min, options.max);\n\t        /**\n\t\t\t *  the units of the LFO (used for converting)\n\t\t\t *  @type {Tone.Type} \n\t\t\t *  @private\n\t\t\t */\n\t        this._units = Tone.Type.Default;\n\t        this.units = options.units;\n\t        //connect it up\n\t        this._oscillator.chain(this._a2g, this._scaler);\n\t        this._zeros.connect(this._a2g);\n\t        this._stoppedSignal.connect(this._a2g);\n\t        this._readOnly([\n\t            'amplitude',\n\t            'frequency'\n\t        ]);\n\t        this.phase = options.phase;\n\t    };\n\t    Tone.extend(Tone.LFO, Tone.Oscillator);\n\t    /**\n\t\t *  the default parameters\n\t\t *\n\t\t *  @static\n\t\t *  @const\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.LFO.defaults = {\n\t        'type': 'sine',\n\t        'min': 0,\n\t        'max': 1,\n\t        'phase': 0,\n\t        'frequency': '4n',\n\t        'amplitude': 1,\n\t        'units': Tone.Type.Default\n\t    };\n\t    /**\n\t\t *  Start the LFO. \n\t\t *  @param  {Time} [time=now] the time the LFO will start\n\t\t *  @returns {Tone.LFO} this\n\t\t */\n\t    Tone.LFO.prototype.start = function (time) {\n\t        time = this.toSeconds(time);\n\t        this._stoppedSignal.setValueAtTime(0, time);\n\t        this._oscillator.start(time);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Stop the LFO. \n\t\t *  @param  {Time} [time=now] the time the LFO will stop\n\t\t *  @returns {Tone.LFO} this\n\t\t */\n\t    Tone.LFO.prototype.stop = function (time) {\n\t        time = this.toSeconds(time);\n\t        this._stoppedSignal.setValueAtTime(this._stoppedValue, time);\n\t        this._oscillator.stop(time);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Sync the start/stop/pause to the transport \n\t\t *  and the frequency to the bpm of the transport\n\t\t *  @returns {Tone.LFO} this\n\t\t *  @example\n\t\t *  lfo.frequency.value = \"8n\";\n\t\t *  lfo.sync().start(0)\n\t\t *  //the rate of the LFO will always be an eighth note, \n\t\t *  //even as the tempo changes\n\t\t */\n\t    Tone.LFO.prototype.sync = function () {\n\t        this._oscillator.sync();\n\t        this._oscillator.syncFrequency();\n\t        return this;\n\t    };\n\t    /**\n\t\t *  unsync the LFO from transport control\n\t\t *  @returns {Tone.LFO} this\n\t\t */\n\t    Tone.LFO.prototype.unsync = function () {\n\t        this._oscillator.unsync();\n\t        this._oscillator.unsyncFrequency();\n\t        return this;\n\t    };\n\t    /**\n\t\t * The miniumum output of the LFO.\n\t\t * @memberOf Tone.LFO#\n\t\t * @type {number}\n\t\t * @name min\n\t\t */\n\t    Object.defineProperty(Tone.LFO.prototype, 'min', {\n\t        get: function () {\n\t            return this._toUnits(this._scaler.min);\n\t        },\n\t        set: function (min) {\n\t            min = this._fromUnits(min);\n\t            this._scaler.min = min;\n\t        }\n\t    });\n\t    /**\n\t\t * The maximum output of the LFO.\n\t\t * @memberOf Tone.LFO#\n\t\t * @type {number}\n\t\t * @name max\n\t\t */\n\t    Object.defineProperty(Tone.LFO.prototype, 'max', {\n\t        get: function () {\n\t            return this._toUnits(this._scaler.max);\n\t        },\n\t        set: function (max) {\n\t            max = this._fromUnits(max);\n\t            this._scaler.max = max;\n\t        }\n\t    });\n\t    /**\n\t\t * The type of the oscillator: sine, square, sawtooth, triangle. \n\t\t * @memberOf Tone.LFO#\n\t\t * @type {string}\n\t\t * @name type\n\t\t */\n\t    Object.defineProperty(Tone.LFO.prototype, 'type', {\n\t        get: function () {\n\t            return this._oscillator.type;\n\t        },\n\t        set: function (type) {\n\t            this._oscillator.type = type;\n\t            this._stoppedValue = this._oscillator._getInitialValue();\n\t            this._stoppedSignal.value = this._stoppedValue;\n\t        }\n\t    });\n\t    /**\n\t\t * The phase of the LFO.\n\t\t * @memberOf Tone.LFO#\n\t\t * @type {number}\n\t\t * @name phase\n\t\t */\n\t    Object.defineProperty(Tone.LFO.prototype, 'phase', {\n\t        get: function () {\n\t            return this._oscillator.phase;\n\t        },\n\t        set: function (phase) {\n\t            this._oscillator.phase = phase;\n\t            this._stoppedValue = this._oscillator._getInitialValue();\n\t            this._stoppedSignal.value = this._stoppedValue;\n\t        }\n\t    });\n\t    /**\n\t\t * The output units of the LFO.\n\t\t * @memberOf Tone.LFO#\n\t\t * @type {Tone.Type}\n\t\t * @name units\n\t\t */\n\t    Object.defineProperty(Tone.LFO.prototype, 'units', {\n\t        get: function () {\n\t            return this._units;\n\t        },\n\t        set: function (val) {\n\t            var currentMin = this.min;\n\t            var currentMax = this.max;\n\t            //convert the min and the max\n\t            this._units = val;\n\t            this.min = currentMin;\n\t            this.max = currentMax;\n\t        }\n\t    });\n\t    /**\n\t\t * Mute the output. \n\t\t * @memberOf Tone.LFO#\n\t\t * @type {Boolean}\n\t\t * @name mute\n\t\t */\n\t    Object.defineProperty(Tone.LFO.prototype, 'mute', {\n\t        get: function () {\n\t            return this._oscillator.mute;\n\t        },\n\t        set: function (mute) {\n\t            this._oscillator.mute = mute;\n\t        }\n\t    });\n\t    /**\n\t\t *  Returns the playback state of the source, either \"started\" or \"stopped\".\n\t\t *  @type {Tone.State}\n\t\t *  @readOnly\n\t\t *  @memberOf Tone.LFO#\n\t\t *  @name state\n\t\t */\n\t    Object.defineProperty(Tone.LFO.prototype, 'state', {\n\t        get: function () {\n\t            return this._oscillator.state;\n\t        }\n\t    });\n\t    /**\n\t\t *  Connect the output of the LFO to an AudioParam, AudioNode, or Tone Node. \n\t\t *  Tone.LFO will automatically convert to the destination units of the \n\t\t *  will get the units from the connected node.\n\t\t *  @param  {Tone | AudioParam | AudioNode} node \n\t\t *  @param {number} [outputNum=0] optionally which output to connect from\n\t\t *  @param {number} [inputNum=0] optionally which input to connect to\n\t\t *  @returns {Tone.LFO} this\n\t\t *  @private\n\t\t */\n\t    Tone.LFO.prototype.connect = function (node) {\n\t        if (node.constructor === Tone.Signal || node.constructor === Tone.Param || node.constructor === Tone.TimelineSignal) {\n\t            this.convert = node.convert;\n\t            this.units = node.units;\n\t        }\n\t        Tone.Signal.prototype.connect.apply(this, arguments);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  private method borrowed from Param converts \n\t\t *  units from their destination value\n\t\t *  @function\n\t\t *  @private\n\t\t */\n\t    Tone.LFO.prototype._fromUnits = Tone.Param.prototype._fromUnits;\n\t    /**\n\t\t *  private method borrowed from Param converts \n\t\t *  units to their destination value\n\t\t *  @function\n\t\t *  @private\n\t\t */\n\t    Tone.LFO.prototype._toUnits = Tone.Param.prototype._toUnits;\n\t    /**\n\t\t *  disconnect and dispose\n\t\t *  @returns {Tone.LFO} this\n\t\t */\n\t    Tone.LFO.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._writable([\n\t            'amplitude',\n\t            'frequency'\n\t        ]);\n\t        this._oscillator.dispose();\n\t        this._oscillator = null;\n\t        this._stoppedSignal.dispose();\n\t        this._stoppedSignal = null;\n\t        this._zeros.dispose();\n\t        this._zeros = null;\n\t        this._scaler.dispose();\n\t        this._scaler = null;\n\t        this._a2g.dispose();\n\t        this._a2g = null;\n\t        this.frequency = null;\n\t        this.amplitude = null;\n\t        return this;\n\t    };\n\t    return Tone.LFO;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Tone.Limiter will limit the loudness of an incoming signal. \n\t\t *         It is composed of a Tone.Compressor with a fast attack \n\t\t *         and release. Limiters are commonly used to safeguard against \n\t\t *         signal clipping. Unlike a compressor, limiters do not provide \n\t\t *         smooth gain reduction and almost completely prevent \n\t\t *         additional gain above the threshold.\n\t\t *\n\t\t *  @extends {Tone}\n\t\t *  @constructor\n\t\t *  @param {number} threshold The theshold above which the limiting is applied. \n\t\t *  @example\n\t\t *  var limiter = new Tone.Limiter(-6);\n\t\t */\n\t    Tone.Limiter = function () {\n\t        var options = this.optionsObject(arguments, ['threshold'], Tone.Limiter.defaults);\n\t        /**\n\t\t\t *  the compressor\n\t\t\t *  @private\n\t\t\t *  @type {Tone.Compressor}\n\t\t\t */\n\t        this._compressor = this.input = this.output = new Tone.Compressor({\n\t            'attack': 0.001,\n\t            'decay': 0.001,\n\t            'threshold': options.threshold\n\t        });\n\t        /**\n\t\t\t * The threshold of of the limiter\n\t\t\t * @type {Decibel}\n\t\t\t * @signal\n\t\t\t */\n\t        this.threshold = this._compressor.threshold;\n\t        this._readOnly('threshold');\n\t    };\n\t    Tone.extend(Tone.Limiter);\n\t    /**\n\t\t *  The default value\n\t\t *  @type {Object}\n\t\t *  @const\n\t\t *  @static\n\t\t */\n\t    Tone.Limiter.defaults = { 'threshold': -12 };\n\t    /**\n\t\t *  Clean up.\n\t\t *  @returns {Tone.Limiter} this\n\t\t */\n\t    Tone.Limiter.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._compressor.dispose();\n\t        this._compressor = null;\n\t        this._writable('threshold');\n\t        this.threshold = null;\n\t        return this;\n\t    };\n\t    return Tone.Limiter;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Tone.Lowpass is a lowpass feedback comb filter. It is similar to \n\t\t *         Tone.FeedbackCombFilter, but includes a lowpass filter.\n\t\t *\n\t\t *  @extends {Tone}\n\t\t *  @constructor\n\t\t *  @param {Time|Object} [delayTime] The delay time of the comb filter\n\t\t *  @param {NormalRange=} resonance The resonance (feedback) of the comb filter\n\t\t *  @param {Frequency=} dampening The cutoff of the lowpass filter dampens the\n\t\t *                                signal as it is fedback. \n\t\t */\n\t    Tone.LowpassCombFilter = function () {\n\t        this.createInsOuts(1, 1);\n\t        var options = this.optionsObject(arguments, [\n\t            'delayTime',\n\t            'resonance',\n\t            'dampening'\n\t        ], Tone.LowpassCombFilter.defaults);\n\t        /**\n\t\t\t *  the delay node\n\t\t\t *  @type {DelayNode}\n\t\t\t *  @private\n\t\t\t */\n\t        this._delay = this.input = new Tone.Delay(options.delayTime);\n\t        /**\n\t\t\t *  The delayTime of the comb filter. \n\t\t\t *  @type {Time}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.delayTime = this._delay.delayTime;\n\t        /**\n\t\t\t *  the lowpass filter\n\t\t\t *  @type  {BiquadFilterNode}\n\t\t\t *  @private\n\t\t\t */\n\t        this._lowpass = this.output = this.context.createBiquadFilter();\n\t        this._lowpass.Q.value = -3.0102999566398125;\n\t        this._lowpass.type = 'lowpass';\n\t        /**\n\t\t\t *  The dampening control of the feedback\n\t\t\t *  @type {Frequency}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.dampening = new Tone.Param({\n\t            'param': this._lowpass.frequency,\n\t            'units': Tone.Type.Frequency,\n\t            'value': options.dampening\n\t        });\n\t        /**\n\t\t\t *  the feedback gain\n\t\t\t *  @type {Tone.Gain}\n\t\t\t *  @private\n\t\t\t */\n\t        this._feedback = new Tone.Gain(options.resonance, Tone.Type.NormalRange);\n\t        /**\n\t\t\t *  The amount of feedback of the delayed signal. \n\t\t\t *  @type {NormalRange}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.resonance = this._feedback.gain;\n\t        //connections\n\t        this._delay.chain(this._lowpass, this._feedback, this._delay);\n\t        this._readOnly([\n\t            'dampening',\n\t            'resonance',\n\t            'delayTime'\n\t        ]);\n\t    };\n\t    Tone.extend(Tone.LowpassCombFilter);\n\t    /**\n\t\t *  the default parameters\n\t\t *  @static\n\t\t *  @const\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.LowpassCombFilter.defaults = {\n\t        'delayTime': 0.1,\n\t        'resonance': 0.5,\n\t        'dampening': 3000\n\t    };\n\t    /**\n\t\t *  Clean up. \n\t\t *  @returns {Tone.LowpassCombFilter} this\n\t\t */\n\t    Tone.LowpassCombFilter.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._writable([\n\t            'dampening',\n\t            'resonance',\n\t            'delayTime'\n\t        ]);\n\t        this.dampening.dispose();\n\t        this.dampening = null;\n\t        this.resonance.dispose();\n\t        this.resonance = null;\n\t        this._delay.dispose();\n\t        this._delay = null;\n\t        this.delayTime = null;\n\t        this._lowpass.disconnect();\n\t        this._lowpass = null;\n\t        this._feedback.disconnect();\n\t        this._feedback = null;\n\t        return this;\n\t    };\n\t    return Tone.LowpassCombFilter;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  Tone.Merge brings two signals into the left and right \n\t\t *          channels of a single stereo channel.\n\t\t *\n\t\t *  @constructor\n\t\t *  @extends {Tone}\n\t\t *  @example\n\t\t * var merge = new Tone.Merge().toMaster();\n\t\t * //routing a sine tone in the left channel\n\t\t * //and noise in the right channel\n\t\t * var osc = new Tone.Oscillator().connect(merge.left);\n\t\t * var noise = new Tone.Noise().connect(merge.right);\n\t\t * //starting our oscillators\n\t\t * noise.start();\n\t\t * osc.start();\n\t\t */\n\t    Tone.Merge = function () {\n\t        this.createInsOuts(2, 0);\n\t        /**\n\t\t\t *  The left input channel.\n\t\t\t *  Alias for <code>input[0]</code>\n\t\t\t *  @type {GainNode}\n\t\t\t */\n\t        this.left = this.input[0] = new Tone.Gain();\n\t        /**\n\t\t\t *  The right input channel.\n\t\t\t *  Alias for <code>input[1]</code>.\n\t\t\t *  @type {GainNode}\n\t\t\t */\n\t        this.right = this.input[1] = new Tone.Gain();\n\t        /**\n\t\t\t *  the merger node for the two channels\n\t\t\t *  @type {ChannelMergerNode}\n\t\t\t *  @private\n\t\t\t */\n\t        this._merger = this.output = this.context.createChannelMerger(2);\n\t        //connections\n\t        this.left.connect(this._merger, 0, 0);\n\t        this.right.connect(this._merger, 0, 1);\n\t        this.left.channelCount = 1;\n\t        this.right.channelCount = 1;\n\t        this.left.channelCountMode = 'explicit';\n\t        this.right.channelCountMode = 'explicit';\n\t    };\n\t    Tone.extend(Tone.Merge);\n\t    /**\n\t\t *  Clean up.\n\t\t *  @returns {Tone.Merge} this\n\t\t */\n\t    Tone.Merge.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this.left.dispose();\n\t        this.left = null;\n\t        this.right.dispose();\n\t        this.right = null;\n\t        this._merger.disconnect();\n\t        this._merger = null;\n\t        return this;\n\t    };\n\t    return Tone.Merge;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  Tone.Meter gets the [RMS](https://en.wikipedia.org/wiki/Root_mean_square)\n\t\t *          of an input signal with some averaging applied. It can also get the raw \n\t\t *          value of the input signal.\n\t\t *\n\t\t *  @constructor\n\t\t *  @extends {Tone}\n\t\t *  @param {String} type Either \"level\" or \"signal\". \n\t\t *  @param {Number} smoothing The amount of smoothing applied between frames.\n\t\t *  @example\n\t\t * var meter = new Tone.Meter();\n\t\t * var mic = new Tone.UserMedia().start();\n\t\t * //connect mic to the meter\n\t\t * mic.connect(meter);\n\t\t * //the current level of the mic input\n\t\t * var level = meter.value;\n\t\t */\n\t    Tone.Meter = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'type',\n\t            'smoothing'\n\t        ], Tone.Meter.defaults);\n\t        /**\n\t\t\t *  The type of the meter, either \"level\" or \"signal\". \n\t\t\t *  A \"level\" meter will return the volume level (rms) of the \n\t\t\t *  input signal and a \"signal\" meter will return\n\t\t\t *  the signal value of the input. \n\t\t\t *  @type  {String}\n\t\t\t */\n\t        this.type = options.type;\n\t        /**\n\t\t\t *  The analyser node which computes the levels.\n\t\t\t *  @private\n\t\t\t *  @type  {Tone.Analyser}\n\t\t\t */\n\t        this.input = this.output = this._analyser = new Tone.Analyser('waveform', 512);\n\t        this._analyser.returnType = 'float';\n\t        /**\n\t\t\t *  The amount of carryover between the current and last frame. \n\t\t\t *  Only applied meter for \"level\" type.\n\t\t\t *  @type  {Number}\n\t\t\t */\n\t        this.smoothing = options.smoothing;\n\t        /**\n\t\t\t *  The last computed value\n\t\t\t *  @type {Number}\n\t\t\t *  @private\n\t\t\t */\n\t        this._lastValue = 0;\n\t    };\n\t    Tone.extend(Tone.Meter);\n\t    /**\n\t\t *  @private\n\t\t *  @enum {String}\n\t\t */\n\t    Tone.Meter.Type = {\n\t        Level: 'level',\n\t        Signal: 'signal'\n\t    };\n\t    /**\n\t\t *  The defaults\n\t\t *  @type {Object}\n\t\t *  @static\n\t\t *  @const\n\t\t */\n\t    Tone.Meter.defaults = {\n\t        'smoothing': 0.8,\n\t        'type': Tone.Meter.Type.Level\n\t    };\n\t    /**\n\t\t * The current value of the meter. A value of 1 is\n\t\t * \"unity\".\n\t\t * @memberOf Tone.Meter#\n\t\t * @type {Number}\n\t\t * @name value\n\t\t * @readOnly\n\t\t */\n\t    Object.defineProperty(Tone.Meter.prototype, 'value', {\n\t        get: function () {\n\t            var signal = this._analyser.analyse();\n\t            if (this.type === Tone.Meter.Type.Level) {\n\t                //rms\n\t                var sum = 0;\n\t                for (var i = 0; i < signal.length; i++) {\n\t                    sum += Math.pow(signal[i], 2);\n\t                }\n\t                var rms = Math.sqrt(sum / signal.length);\n\t                //smooth it\n\t                rms = Math.max(rms, this._lastValue * this.smoothing);\n\t                this._lastValue = rms;\n\t                //scale it\n\t                var unity = 0.35;\n\t                var val = rms / unity;\n\t                //scale the output curve\n\t                return Math.sqrt(val);\n\t            } else {\n\t                return signal[0];\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t *  Clean up.\n\t\t *  @returns {Tone.Meter} this\n\t\t */\n\t    Tone.Meter.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._analyser.dispose();\n\t        this._analyser = null;\n\t        return this;\n\t    };\n\t    return Tone.Meter;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *\t@class  Tone.Split splits an incoming signal into left and right channels.\n\t\t *\t\n\t\t *  @constructor\n\t\t *  @extends {Tone}\n\t\t *  @example\n\t\t * var split = new Tone.Split();\n\t\t * stereoSignal.connect(split);\n\t\t */\n\t    Tone.Split = function () {\n\t        this.createInsOuts(0, 2);\n\t        /** \n\t\t\t *  @type {ChannelSplitterNode}\n\t\t\t *  @private\n\t\t\t */\n\t        this._splitter = this.input = this.context.createChannelSplitter(2);\n\t        /** \n\t\t\t *  Left channel output. \n\t\t\t *  Alias for <code>output[0]</code>\n\t\t\t *  @type {Tone.Gain}\n\t\t\t */\n\t        this.left = this.output[0] = new Tone.Gain();\n\t        /**\n\t\t\t *  Right channel output.\n\t\t\t *  Alias for <code>output[1]</code>\n\t\t\t *  @type {Tone.Gain}\n\t\t\t */\n\t        this.right = this.output[1] = new Tone.Gain();\n\t        //connections\n\t        this._splitter.connect(this.left, 0, 0);\n\t        this._splitter.connect(this.right, 1, 0);\n\t    };\n\t    Tone.extend(Tone.Split);\n\t    /**\n\t\t *  Clean up. \n\t\t *  @returns {Tone.Split} this\n\t\t */\n\t    Tone.Split.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._splitter.disconnect();\n\t        this.left.dispose();\n\t        this.left = null;\n\t        this.right.dispose();\n\t        this.right = null;\n\t        this._splitter = null;\n\t        return this;\n\t    };\n\t    return Tone.Split;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Mid/Side processing separates the the 'mid' signal \n\t\t *         (which comes out of both the left and the right channel) \n\t\t *         and the 'side' (which only comes out of the the side channels). <br><br>\n\t\t *         <code>\n\t\t *         Mid = (Left+Right)/sqrt(2);   // obtain mid-signal from left and right<br>\n\t\t *         Side = (Left-Right)/sqrt(2);   // obtain side-signal from left and righ<br>\n\t\t *         </code>\n\t\t *\n\t\t *  @extends {Tone}\n\t\t *  @constructor\n\t\t */\n\t    Tone.MidSideSplit = function () {\n\t        this.createInsOuts(0, 2);\n\t        /**\n\t\t\t *  split the incoming signal into left and right channels\n\t\t\t *  @type  {Tone.Split}\n\t\t\t *  @private\n\t\t\t */\n\t        this._split = this.input = new Tone.Split();\n\t        /**\n\t\t\t *  The mid send. Connect to mid processing. Alias for\n\t\t\t *  <code>output[0]</code>\n\t\t\t *  @type {Tone.Expr}\n\t\t\t */\n\t        this.mid = this.output[0] = new Tone.Expr('($0 + $1) * $2');\n\t        /**\n\t\t\t *  The side output. Connect to side processing. Alias for\n\t\t\t *  <code>output[1]</code>\n\t\t\t *  @type {Tone.Expr}\n\t\t\t */\n\t        this.side = this.output[1] = new Tone.Expr('($0 - $1) * $2');\n\t        this._split.connect(this.mid, 0, 0);\n\t        this._split.connect(this.mid, 1, 1);\n\t        this._split.connect(this.side, 0, 0);\n\t        this._split.connect(this.side, 1, 1);\n\t        this.context.getConstant(Math.SQRT1_2).connect(this.mid, 0, 2);\n\t        this.context.getConstant(Math.SQRT1_2).connect(this.side, 0, 2);\n\t    };\n\t    Tone.extend(Tone.MidSideSplit);\n\t    /**\n\t\t *  clean up\n\t\t *  @returns {Tone.MidSideSplit} this\n\t\t */\n\t    Tone.MidSideSplit.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this.mid.dispose();\n\t        this.mid = null;\n\t        this.side.dispose();\n\t        this.side = null;\n\t        this._split.dispose();\n\t        this._split = null;\n\t        return this;\n\t    };\n\t    return Tone.MidSideSplit;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Mid/Side processing separates the the 'mid' signal \n\t\t *         (which comes out of both the left and the right channel) \n\t\t *         and the 'side' (which only comes out of the the side channels). \n\t\t *         MidSideMerge merges the mid and side signal after they've been seperated\n\t\t *         by Tone.MidSideSplit.<br><br>\n\t\t *         <code>\n\t\t *         Left = (Mid+Side)/sqrt(2);   // obtain left signal from mid and side<br>\n\t\t *         Right = (Mid-Side)/sqrt(2);   // obtain right signal from mid and side<br>\n\t\t *         </code>\n\t\t *\n\t\t *  @extends {Tone.StereoEffect}\n\t\t *  @constructor\n\t\t */\n\t    Tone.MidSideMerge = function () {\n\t        this.createInsOuts(2, 0);\n\t        /**\n\t\t\t *  The mid signal input. Alias for\n\t\t\t *  <code>input[0]</code>\n\t\t\t *  @type  {Tone.Gain}\n\t\t\t */\n\t        this.mid = this.input[0] = new Tone.Gain();\n\t        /**\n\t\t\t *  recombine the mid/side into Left\n\t\t\t *  @type {Tone.Expr}\n\t\t\t *  @private\n\t\t\t */\n\t        this._left = new Tone.Expr('($0 + $1) * $2');\n\t        /**\n\t\t\t *  The side signal input. Alias for\n\t\t\t *  <code>input[1]</code>\n\t\t\t *  @type  {Tone.Gain}\n\t\t\t */\n\t        this.side = this.input[1] = new Tone.Gain();\n\t        /**\n\t\t\t *  recombine the mid/side into Right\n\t\t\t *  @type {Tone.Expr}\n\t\t\t *  @private\n\t\t\t */\n\t        this._right = new Tone.Expr('($0 - $1) * $2');\n\t        /**\n\t\t\t *  Merge the left/right signal back into a stereo signal.\n\t\t\t *  @type {Tone.Merge}\n\t\t\t *  @private\n\t\t\t */\n\t        this._merge = this.output = new Tone.Merge();\n\t        this.mid.connect(this._left, 0, 0);\n\t        this.side.connect(this._left, 0, 1);\n\t        this.mid.connect(this._right, 0, 0);\n\t        this.side.connect(this._right, 0, 1);\n\t        this._left.connect(this._merge, 0, 0);\n\t        this._right.connect(this._merge, 0, 1);\n\t        this.context.getConstant(Math.SQRT1_2).connect(this._left, 0, 2);\n\t        this.context.getConstant(Math.SQRT1_2).connect(this._right, 0, 2);\n\t    };\n\t    Tone.extend(Tone.MidSideMerge);\n\t    /**\n\t\t *  clean up\n\t\t *  @returns {Tone.MidSideMerge} this\n\t\t */\n\t    Tone.MidSideMerge.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this.mid.dispose();\n\t        this.mid = null;\n\t        this.side.dispose();\n\t        this.side = null;\n\t        this._left.dispose();\n\t        this._left = null;\n\t        this._right.dispose();\n\t        this._right = null;\n\t        this._merge.dispose();\n\t        this._merge = null;\n\t        return this;\n\t    };\n\t    return Tone.MidSideMerge;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Tone.MidSideCompressor applies two different compressors to the mid\n\t\t *         and side signal components. See Tone.MidSideSplit. \n\t\t *\n\t\t *  @extends {Tone}\n\t\t *  @param {Object} options The options that are passed to the mid and side\n\t\t *                          compressors. \n\t\t *  @constructor\n\t\t */\n\t    Tone.MidSideCompressor = function (options) {\n\t        options = this.defaultArg(options, Tone.MidSideCompressor.defaults);\n\t        /**\n\t\t\t *  the mid/side split\n\t\t\t *  @type  {Tone.MidSideSplit}\n\t\t\t *  @private\n\t\t\t */\n\t        this._midSideSplit = this.input = new Tone.MidSideSplit();\n\t        /**\n\t\t\t *  the mid/side recombination\n\t\t\t *  @type  {Tone.MidSideMerge}\n\t\t\t *  @private\n\t\t\t */\n\t        this._midSideMerge = this.output = new Tone.MidSideMerge();\n\t        /**\n\t\t\t *  The compressor applied to the mid signal\n\t\t\t *  @type  {Tone.Compressor}\n\t\t\t */\n\t        this.mid = new Tone.Compressor(options.mid);\n\t        /**\n\t\t\t *  The compressor applied to the side signal\n\t\t\t *  @type  {Tone.Compressor}\n\t\t\t */\n\t        this.side = new Tone.Compressor(options.side);\n\t        this._midSideSplit.mid.chain(this.mid, this._midSideMerge.mid);\n\t        this._midSideSplit.side.chain(this.side, this._midSideMerge.side);\n\t        this._readOnly([\n\t            'mid',\n\t            'side'\n\t        ]);\n\t    };\n\t    Tone.extend(Tone.MidSideCompressor);\n\t    /**\n\t\t *  @const\n\t\t *  @static\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.MidSideCompressor.defaults = {\n\t        'mid': {\n\t            'ratio': 3,\n\t            'threshold': -24,\n\t            'release': 0.03,\n\t            'attack': 0.02,\n\t            'knee': 16\n\t        },\n\t        'side': {\n\t            'ratio': 6,\n\t            'threshold': -30,\n\t            'release': 0.25,\n\t            'attack': 0.03,\n\t            'knee': 10\n\t        }\n\t    };\n\t    /**\n\t\t *  Clean up.\n\t\t *  @returns {Tone.MidSideCompressor} this\n\t\t */\n\t    Tone.MidSideCompressor.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._writable([\n\t            'mid',\n\t            'side'\n\t        ]);\n\t        this.mid.dispose();\n\t        this.mid = null;\n\t        this.side.dispose();\n\t        this.side = null;\n\t        this._midSideSplit.dispose();\n\t        this._midSideSplit = null;\n\t        this._midSideMerge.dispose();\n\t        this._midSideMerge = null;\n\t        return this;\n\t    };\n\t    return Tone.MidSideCompressor;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Tone.Mono coerces the incoming mono or stereo signal into a mono signal\n\t\t *         where both left and right channels have the same value. This can be useful \n\t\t *         for [stereo imaging](https://en.wikipedia.org/wiki/Stereo_imaging).\n\t\t *\n\t\t *  @extends {Tone}\n\t\t *  @constructor\n\t\t */\n\t    Tone.Mono = function () {\n\t        this.createInsOuts(1, 0);\n\t        /**\n\t\t\t *  merge the signal\n\t\t\t *  @type {Tone.Merge}\n\t\t\t *  @private\n\t\t\t */\n\t        this._merge = this.output = new Tone.Merge();\n\t        this.input.connect(this._merge, 0, 0);\n\t        this.input.connect(this._merge, 0, 1);\n\t        this.input.gain.value = this.dbToGain(-10);\n\t    };\n\t    Tone.extend(Tone.Mono);\n\t    /**\n\t\t *  clean up\n\t\t *  @returns {Tone.Mono} this\n\t\t */\n\t    Tone.Mono.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._merge.dispose();\n\t        this._merge = null;\n\t        return this;\n\t    };\n\t    return Tone.Mono;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class A compressor with seperate controls over low/mid/high dynamics\n\t\t *\n\t\t *  @extends {Tone}\n\t\t *  @constructor\n\t\t *  @param {Object} options The low/mid/high compressor settings.\n\t\t *  @example\n\t\t *  var multiband = new Tone.MultibandCompressor({\n\t\t *  \t\"lowFrequency\" : 200,\n\t\t *  \t\"highFrequency\" : 1300\n\t\t *  \t\"low\" : {\n\t\t *  \t\t\"threshold\" : -12\n\t\t *  \t}\n\t\t *  })\n\t\t */\n\t    Tone.MultibandCompressor = function (options) {\n\t        options = this.defaultArg(arguments, Tone.MultibandCompressor.defaults);\n\t        /**\n\t\t\t *  split the incoming signal into high/mid/low\n\t\t\t *  @type {Tone.MultibandSplit}\n\t\t\t *  @private\n\t\t\t */\n\t        this._splitter = this.input = new Tone.MultibandSplit({\n\t            'lowFrequency': options.lowFrequency,\n\t            'highFrequency': options.highFrequency\n\t        });\n\t        /**\n\t\t\t *  low/mid crossover frequency.\n\t\t\t *  @type {Frequency}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.lowFrequency = this._splitter.lowFrequency;\n\t        /**\n\t\t\t *  mid/high crossover frequency.\n\t\t\t *  @type {Frequency}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.highFrequency = this._splitter.highFrequency;\n\t        /**\n\t\t\t *  the output\n\t\t\t *  @type {Tone.Gain}\n\t\t\t *  @private\n\t\t\t */\n\t        this.output = new Tone.Gain();\n\t        /**\n\t\t\t *  The compressor applied to the low frequencies.\n\t\t\t *  @type {Tone.Compressor}\n\t\t\t */\n\t        this.low = new Tone.Compressor(options.low);\n\t        /**\n\t\t\t *  The compressor applied to the mid frequencies.\n\t\t\t *  @type {Tone.Compressor}\n\t\t\t */\n\t        this.mid = new Tone.Compressor(options.mid);\n\t        /**\n\t\t\t *  The compressor applied to the high frequencies.\n\t\t\t *  @type {Tone.Compressor}\n\t\t\t */\n\t        this.high = new Tone.Compressor(options.high);\n\t        //connect the compressor\n\t        this._splitter.low.chain(this.low, this.output);\n\t        this._splitter.mid.chain(this.mid, this.output);\n\t        this._splitter.high.chain(this.high, this.output);\n\t        this._readOnly([\n\t            'high',\n\t            'mid',\n\t            'low',\n\t            'highFrequency',\n\t            'lowFrequency'\n\t        ]);\n\t    };\n\t    Tone.extend(Tone.MultibandCompressor);\n\t    /**\n\t\t *  @const\n\t\t *  @static\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.MultibandCompressor.defaults = {\n\t        'low': Tone.Compressor.defaults,\n\t        'mid': Tone.Compressor.defaults,\n\t        'high': Tone.Compressor.defaults,\n\t        'lowFrequency': 250,\n\t        'highFrequency': 2000\n\t    };\n\t    /**\n\t\t *  clean up\n\t\t *  @returns {Tone.MultibandCompressor} this\n\t\t */\n\t    Tone.MultibandCompressor.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._splitter.dispose();\n\t        this._writable([\n\t            'high',\n\t            'mid',\n\t            'low',\n\t            'highFrequency',\n\t            'lowFrequency'\n\t        ]);\n\t        this.low.dispose();\n\t        this.mid.dispose();\n\t        this.high.dispose();\n\t        this._splitter = null;\n\t        this.low = null;\n\t        this.mid = null;\n\t        this.high = null;\n\t        this.lowFrequency = null;\n\t        this.highFrequency = null;\n\t        return this;\n\t    };\n\t    return Tone.MultibandCompressor;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  Tone.Panner is an equal power Left/Right Panner and does not\n\t\t *          support 3D. Panner uses the StereoPannerNode when available. \n\t\t *  \n\t\t *  @constructor\n\t\t *  @extends {Tone}\n\t\t *  @param {NormalRange} [initialPan=0] The initail panner value (defaults to 0 = center)\n\t\t *  @example\n\t\t *  //pan the input signal hard right. \n\t\t *  var panner = new Tone.Panner(1);\n\t\t */\n\t    Tone.Panner = function (initialPan) {\n\t        if (this._hasStereoPanner) {\n\t            /**\n\t\t\t\t *  the panner node\n\t\t\t\t *  @type {StereoPannerNode}\n\t\t\t\t *  @private\n\t\t\t\t */\n\t            this._panner = this.input = this.output = this.context.createStereoPanner();\n\t            /**\n\t\t\t\t *  The pan control. -1 = hard left, 1 = hard right. \n\t\t\t\t *  @type {NormalRange}\n\t\t\t\t *  @signal\n\t\t\t\t */\n\t            this.pan = this._panner.pan;\n\t        } else {\n\t            /**\n\t\t\t\t *  the dry/wet knob\n\t\t\t\t *  @type {Tone.CrossFade}\n\t\t\t\t *  @private\n\t\t\t\t */\n\t            this._crossFade = new Tone.CrossFade();\n\t            /**\n\t\t\t\t *  @type {Tone.Merge}\n\t\t\t\t *  @private\n\t\t\t\t */\n\t            this._merger = this.output = new Tone.Merge();\n\t            /**\n\t\t\t\t *  @type {Tone.Split}\n\t\t\t\t *  @private\n\t\t\t\t */\n\t            this._splitter = this.input = new Tone.Split();\n\t            /**\n\t\t\t\t *  The pan control. -1 = hard left, 1 = hard right. \n\t\t\t\t *  @type {AudioRange}\n\t\t\t\t *  @signal\n\t\t\t\t */\n\t            this.pan = new Tone.Signal(0, Tone.Type.AudioRange);\n\t            /**\n\t\t\t\t *  always sends 0\n\t\t\t\t *  @type {Tone.Zero}\n\t\t\t\t *  @private\n\t\t\t\t */\n\t            this._zero = new Tone.Zero();\n\t            /**\n\t\t\t\t *  The analog to gain conversion\n\t\t\t\t *  @type  {Tone.AudioToGain}\n\t\t\t\t *  @private\n\t\t\t\t */\n\t            this._a2g = new Tone.AudioToGain();\n\t            //CONNECTIONS:\n\t            this._zero.connect(this._a2g);\n\t            this.pan.chain(this._a2g, this._crossFade.fade);\n\t            //left channel is a, right channel is b\n\t            this._splitter.connect(this._crossFade, 0, 0);\n\t            this._splitter.connect(this._crossFade, 1, 1);\n\t            //merge it back together\n\t            this._crossFade.a.connect(this._merger, 0, 0);\n\t            this._crossFade.b.connect(this._merger, 0, 1);\n\t        }\n\t        //initial value\n\t        this.pan.value = this.defaultArg(initialPan, 0);\n\t        this._readOnly('pan');\n\t    };\n\t    Tone.extend(Tone.Panner);\n\t    /**\n\t\t *  indicates if the panner is using the new StereoPannerNode internally\n\t\t *  @type  {boolean}\n\t\t *  @private\n\t\t */\n\t    Tone.Panner.prototype._hasStereoPanner = Tone.prototype.isFunction(Tone.context.createStereoPanner);\n\t    /**\n\t\t *  Clean up.\n\t\t *  @returns {Tone.Panner} this\n\t\t */\n\t    Tone.Panner.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._writable('pan');\n\t        if (this._hasStereoPanner) {\n\t            this._panner.disconnect();\n\t            this._panner = null;\n\t            this.pan = null;\n\t        } else {\n\t            this._zero.dispose();\n\t            this._zero = null;\n\t            this._crossFade.dispose();\n\t            this._crossFade = null;\n\t            this._splitter.dispose();\n\t            this._splitter = null;\n\t            this._merger.dispose();\n\t            this._merger = null;\n\t            this.pan.dispose();\n\t            this.pan = null;\n\t            this._a2g.dispose();\n\t            this._a2g = null;\n\t        }\n\t        return this;\n\t    };\n\t    return Tone.Panner;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  A spatialized panner node which supports equalpower or HRTF panning.\n\t\t *          Tries to normalize the API across various browsers. See Tone.Listener\n\t\t *  \n\t\t *  @constructor\n\t\t *  @extends {Tone}\n\t\t *  @param {Number} positionX The initial x position.\n\t\t *  @param {Number} positionY The initial y position.\n\t\t *  @param {Number} positionZ The initial z position.\n\t\t */\n\t    Tone.Panner3D = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'positionX',\n\t            'positionY',\n\t            'positionZ'\n\t        ], Tone.Panner3D.defaults);\n\t        /**\n\t\t\t *  The panner node\n\t\t\t *  @type {PannerNode}\n\t\t\t *  @private\n\t\t\t */\n\t        this._panner = this.input = this.output = this.context.createPanner();\n\t        //set some values\n\t        this._panner.panningModel = options.panningModel;\n\t        this._panner.maxDistance = options.maxDistance;\n\t        this._panner.distanceModel = options.distanceModel;\n\t        this._panner.coneOuterGain = options.coneOuterGain;\n\t        this._panner.coneOuterAngle = options.coneOuterAngle;\n\t        this._panner.coneInnerAngle = options.coneInnerAngle;\n\t        this._panner.refDistance = options.refDistance;\n\t        this._panner.rolloffFactor = options.rolloffFactor;\n\t        /**\n\t\t\t *  Holds the current orientation\n\t\t\t *  @type  {Array}\n\t\t\t *  @private\n\t\t\t */\n\t        this._orientation = [\n\t            options.orientationX,\n\t            options.orientationY,\n\t            options.orientationZ\n\t        ];\n\t        /**\n\t\t\t *  Holds the current position\n\t\t\t *  @type  {Array}\n\t\t\t *  @private\n\t\t\t */\n\t        this._position = [\n\t            options.positionX,\n\t            options.positionY,\n\t            options.positionZ\n\t        ];\n\t        // set the default position/orientation\n\t        this.orientationX = options.orientationX;\n\t        this.orientationY = options.orientationY;\n\t        this.orientationZ = options.orientationZ;\n\t        this.positionX = options.positionX;\n\t        this.positionY = options.positionY;\n\t        this.positionZ = options.positionZ;\n\t    };\n\t    Tone.extend(Tone.Panner3D);\n\t    /**\n\t\t *  the default parameters\n\t\t *  @static\n\t\t *  @const\n\t\t *  @type {Object}\n\t\t *  Defaults according to the specification\n\t\t */\n\t    Tone.Panner3D.defaults = {\n\t        'positionX': 0,\n\t        'positionY': 0,\n\t        'positionZ': 0,\n\t        'orientationX': 0,\n\t        'orientationY': 0,\n\t        'orientationZ': 0,\n\t        'panningModel': 'equalpower',\n\t        'maxDistance': 10000,\n\t        'distanceModel': 'inverse',\n\t        'coneOuterGain': 0,\n\t        'coneOuterAngle': 360,\n\t        'coneInnerAngle': 360,\n\t        'refDistance': 1,\n\t        'rolloffFactor': 1\n\t    };\n\t    /**\n\t\t * The ramp time which is applied to the setTargetAtTime\n\t\t * @type {Number}\n\t\t * @private\n\t\t */\n\t    Tone.Panner3D.prototype._rampTimeConstant = 0.01;\n\t    /**\n\t\t *  Sets the position of the source in 3d space.\t\n\t\t *  @param  {Number}  x\n\t\t *  @param  {Number}  y\n\t\t *  @param  {Number}  z\n\t\t *  @return {Tone.Panner3D} this\n\t\t */\n\t    Tone.Panner3D.prototype.setPosition = function (x, y, z) {\n\t        if (this._panner.positionX) {\n\t            var now = this.now();\n\t            this._panner.positionX.setTargetAtTime(x, now, this._rampTimeConstant);\n\t            this._panner.positionY.setTargetAtTime(y, now, this._rampTimeConstant);\n\t            this._panner.positionZ.setTargetAtTime(z, now, this._rampTimeConstant);\n\t        } else {\n\t            this._panner.setPosition(x, y, z);\n\t        }\n\t        this._position = Array.prototype.slice.call(arguments);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Sets the orientation of the source in 3d space.\t\n\t\t *  @param  {Number}  x\n\t\t *  @param  {Number}  y\n\t\t *  @param  {Number}  z\n\t\t *  @return {Tone.Panner3D} this\n\t\t */\n\t    Tone.Panner3D.prototype.setOrientation = function (x, y, z) {\n\t        if (this._panner.orientationX) {\n\t            var now = this.now();\n\t            this._panner.orientationX.setTargetAtTime(x, now, this._rampTimeConstant);\n\t            this._panner.orientationY.setTargetAtTime(y, now, this._rampTimeConstant);\n\t            this._panner.orientationZ.setTargetAtTime(z, now, this._rampTimeConstant);\n\t        } else {\n\t            this._panner.setOrientation(x, y, z);\n\t        }\n\t        this._orientation = Array.prototype.slice.call(arguments);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  The x position of the panner object.\n\t\t *  @type {Number}\n\t\t *  @memberOf Tone.Panner3D#\n\t\t *  @name positionX\n\t\t */\n\t    Object.defineProperty(Tone.Panner3D.prototype, 'positionX', {\n\t        set: function (pos) {\n\t            this._position[0] = pos;\n\t            this.setPosition.apply(this, this._position);\n\t        },\n\t        get: function () {\n\t            return this._position[0];\n\t        }\n\t    });\n\t    /**\n\t\t *  The y position of the panner object.\n\t\t *  @type {Number}\n\t\t *  @memberOf Tone.Panner3D#\n\t\t *  @name positionY\n\t\t */\n\t    Object.defineProperty(Tone.Panner3D.prototype, 'positionY', {\n\t        set: function (pos) {\n\t            this._position[1] = pos;\n\t            this.setPosition.apply(this, this._position);\n\t        },\n\t        get: function () {\n\t            return this._position[1];\n\t        }\n\t    });\n\t    /**\n\t\t *  The z position of the panner object.\n\t\t *  @type {Number}\n\t\t *  @memberOf Tone.Panner3D#\n\t\t *  @name positionZ\n\t\t */\n\t    Object.defineProperty(Tone.Panner3D.prototype, 'positionZ', {\n\t        set: function (pos) {\n\t            this._position[2] = pos;\n\t            this.setPosition.apply(this, this._position);\n\t        },\n\t        get: function () {\n\t            return this._position[2];\n\t        }\n\t    });\n\t    /**\n\t\t *  The x orientation of the panner object.\n\t\t *  @type {Number}\n\t\t *  @memberOf Tone.Panner3D#\n\t\t *  @name orientationX\n\t\t */\n\t    Object.defineProperty(Tone.Panner3D.prototype, 'orientationX', {\n\t        set: function (pos) {\n\t            this._orientation[0] = pos;\n\t            this.setOrientation.apply(this, this._orientation);\n\t        },\n\t        get: function () {\n\t            return this._orientation[0];\n\t        }\n\t    });\n\t    /**\n\t\t *  The y orientation of the panner object.\n\t\t *  @type {Number}\n\t\t *  @memberOf Tone.Panner3D#\n\t\t *  @name orientationY\n\t\t */\n\t    Object.defineProperty(Tone.Panner3D.prototype, 'orientationY', {\n\t        set: function (pos) {\n\t            this._orientation[1] = pos;\n\t            this.setOrientation.apply(this, this._orientation);\n\t        },\n\t        get: function () {\n\t            return this._orientation[1];\n\t        }\n\t    });\n\t    /**\n\t\t *  The z orientation of the panner object.\n\t\t *  @type {Number}\n\t\t *  @memberOf Tone.Panner3D#\n\t\t *  @name orientationZ\n\t\t */\n\t    Object.defineProperty(Tone.Panner3D.prototype, 'orientationZ', {\n\t        set: function (pos) {\n\t            this._orientation[2] = pos;\n\t            this.setOrientation.apply(this, this._orientation);\n\t        },\n\t        get: function () {\n\t            return this._orientation[2];\n\t        }\n\t    });\n\t    /**\n\t\t *  Proxy a property on the panner to an exposed public propery\n\t\t *  @param  {String}  prop\n\t\t *  @private\n\t\t */\n\t    Tone.Panner3D._aliasProperty = function (prop) {\n\t        Object.defineProperty(Tone.Panner3D.prototype, prop, {\n\t            set: function (val) {\n\t                this._panner[prop] = val;\n\t            },\n\t            get: function () {\n\t                return this._panner[prop];\n\t            }\n\t        });\n\t    };\n\t    /**\n\t\t *  The panning model. Either \"equalpower\" or \"HRTF\".\n\t\t *  @type {String}\n\t\t *  @memberOf Tone.Panner3D#\n\t\t *  @name panningModel\n\t\t */\n\t    Tone.Panner3D._aliasProperty('panningModel');\n\t    /**\n\t\t *  A reference distance for reducing volume as source move further from the listener\n\t\t *  @type {Number}\n\t\t *  @memberOf Tone.Panner3D#\n\t\t *  @name refDistance\n\t\t */\n\t    Tone.Panner3D._aliasProperty('refDistance');\n\t    /**\n\t\t *  Describes how quickly the volume is reduced as source moves away from listener.\n\t\t *  @type {Number}\n\t\t *  @memberOf Tone.Panner3D#\n\t\t *  @name rolloffFactor\n\t\t */\n\t    Tone.Panner3D._aliasProperty('rolloffFactor');\n\t    /**\n\t\t *  The distance model used by,  \"linear\", \"inverse\", or \"exponential\".\n\t\t *  @type {String}\n\t\t *  @memberOf Tone.Panner3D#\n\t\t *  @name distanceModel\n\t\t */\n\t    Tone.Panner3D._aliasProperty('distanceModel');\n\t    /**\n\t\t *  The angle, in degrees, inside of which there will be no volume reduction\n\t\t *  @type {Degrees}\n\t\t *  @memberOf Tone.Panner3D#\n\t\t *  @name coneInnerAngle\n\t\t */\n\t    Tone.Panner3D._aliasProperty('coneInnerAngle');\n\t    /**\n\t\t *  The angle, in degrees, outside of which the volume will be reduced \n\t\t *  to a constant value of coneOuterGain\n\t\t *  @type {Degrees}\n\t\t *  @memberOf Tone.Panner3D#\n\t\t *  @name coneOuterAngle\n\t\t */\n\t    Tone.Panner3D._aliasProperty('coneOuterAngle');\n\t    /**\n\t\t *  The gain outside of the coneOuterAngle\n\t\t *  @type {Gain}\n\t\t *  @memberOf Tone.Panner3D#\n\t\t *  @name coneOuterGain\n\t\t */\n\t    Tone.Panner3D._aliasProperty('coneOuterGain');\n\t    /**\n\t\t *  The maximum distance between source and listener, \n\t\t *  after which the volume will not be reduced any further.\n\t\t *  @type {Positive}\n\t\t *  @memberOf Tone.Panner3D#\n\t\t *  @name maxDistance\n\t\t */\n\t    Tone.Panner3D._aliasProperty('maxDistance');\n\t    /**\n\t\t *  Clean up.\n\t\t *  @returns {Tone.Panner3D} this\n\t\t */\n\t    Tone.Panner3D.prototype.dispose = function () {\n\t        this._panner.disconnect();\n\t        this._panner = null;\n\t        this._orientation = null;\n\t        this._position = null;\n\t        return this;\n\t    };\n\t    return Tone.Panner3D;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Tone.PanVol is a Tone.Panner and Tone.Volume in one.\n\t\t *\n\t\t *  @extends {Tone}\n\t\t *  @constructor\n\t\t *  @param {AudioRange} pan the initial pan\n\t\t *  @param {number} volume The output volume. \n\t\t *  @example\n\t\t * //pan the incoming signal left and drop the volume\n\t\t * var panVol = new Tone.PanVol(0.25, -12);\n\t\t */\n\t    Tone.PanVol = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'pan',\n\t            'volume'\n\t        ], Tone.PanVol.defaults);\n\t        /**\n\t\t\t *  The panning node\n\t\t\t *  @type {Tone.Panner}\n\t\t\t *  @private\n\t\t\t */\n\t        this._panner = this.input = new Tone.Panner(options.pan);\n\t        /**\n\t\t\t *  The L/R panning control.\n\t\t\t *  @type {AudioRange}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.pan = this._panner.pan;\n\t        /**\n\t\t\t *  The volume node\n\t\t\t *  @type {Tone.Volume}\n\t\t\t */\n\t        this._volume = this.output = new Tone.Volume(options.volume);\n\t        /**\n\t\t\t *  The volume control in decibels. \n\t\t\t *  @type {Decibels}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.volume = this._volume.volume;\n\t        //connections\n\t        this._panner.connect(this._volume);\n\t        this._readOnly([\n\t            'pan',\n\t            'volume'\n\t        ]);\n\t    };\n\t    Tone.extend(Tone.PanVol);\n\t    /**\n\t\t *  The defaults\n\t\t *  @type  {Object}\n\t\t *  @const\n\t\t *  @static\n\t\t */\n\t    Tone.PanVol.defaults = {\n\t        'pan': 0.5,\n\t        'volume': 0\n\t    };\n\t    /**\n\t\t *  clean up\n\t\t *  @returns {Tone.PanVol} this\n\t\t */\n\t    Tone.PanVol.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._writable([\n\t            'pan',\n\t            'volume'\n\t        ]);\n\t        this._panner.dispose();\n\t        this._panner = null;\n\t        this.pan = null;\n\t        this._volume.dispose();\n\t        this._volume = null;\n\t        this.volume = null;\n\t        return this;\n\t    };\n\t    return Tone.PanVol;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Tone.CtrlInterpolate will interpolate between given values based\n\t\t *         on the \"index\" property. Passing in an array or object literal\n\t\t *         will interpolate each of the parameters. Note (i.e. \"C3\")\n\t\t *         and Time (i.e. \"4n + 2\") can be interpolated. All other values are\n\t\t *         assumed to be numbers. \n\t\t *  @example\n\t\t * var interp = new Tone.CtrlInterpolate([0, 2, 9, 4]);\n\t\t * interp.index = 0.75;\n\t\t * interp.value; //returns 1.5\n\t\t *\n\t\t *  @example\n\t\t * var interp = new Tone.CtrlInterpolate([\n\t\t * \t[2, 4, 5],\n\t\t * \t[9, 3, 2],\n\t\t * ]);\n\t\t * @param {Array} values The array of values to interpolate over\n\t\t * @param {Positive} index The initial interpolation index.\n\t\t * @extends {Tone}\n\t\t */\n\t    Tone.CtrlInterpolate = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'values',\n\t            'index'\n\t        ], Tone.CtrlInterpolate.defaults);\n\t        /**\n\t\t\t *  The values to interpolate between\n\t\t\t *  @type  {Array}\n\t\t\t */\n\t        this.values = options.values;\n\t        /**\n\t\t\t *  The interpolated index between values. For example: a value of 1.5\n\t\t\t *  would interpolate equally between the value at index 1\n\t\t\t *  and the value at index 2. \n\t\t\t *  @example\n\t\t\t * interp.index = 0; \n\t\t\t * interp.value; //returns the value at 0\n\t\t\t * interp.index = 0.5;\n\t\t\t * interp.value; //returns the value between indices 0 and 1. \n\t\t\t *  @type  {Positive}\n\t\t\t */\n\t        this.index = options.index;\n\t    };\n\t    Tone.extend(Tone.CtrlInterpolate);\n\t    /**\n\t\t *  The defaults\n\t\t *  @const\n\t\t *  @type  {Object}\n\t\t */\n\t    Tone.CtrlInterpolate.defaults = {\n\t        'index': 0,\n\t        'values': []\n\t    };\n\t    /**\n\t\t *  The current interpolated value based on the index\n\t\t *  @readOnly\n\t\t *  @memberOf Tone.CtrlInterpolate#\n\t\t *  @type {*}\n\t\t *  @name value\n\t\t */\n\t    Object.defineProperty(Tone.CtrlInterpolate.prototype, 'value', {\n\t        get: function () {\n\t            var index = this.index;\n\t            index = Math.min(index, this.values.length - 1);\n\t            var lowerPosition = Math.floor(index);\n\t            var lower = this.values[lowerPosition];\n\t            var upper = this.values[Math.ceil(index)];\n\t            return this._interpolate(index - lowerPosition, lower, upper);\n\t        }\n\t    });\n\t    /**\n\t\t *  Internal interpolation routine\n\t\t *  @param  {NormalRange}  index  The index between the lower and upper\n\t\t *  @param  {*}  lower \n\t\t *  @param  {*}  upper \n\t\t *  @return  {*}  The interpolated value\n\t\t *  @private\n\t\t */\n\t    Tone.CtrlInterpolate.prototype._interpolate = function (index, lower, upper) {\n\t        if (this.isArray(lower)) {\n\t            var retArray = [];\n\t            for (var i = 0; i < lower.length; i++) {\n\t                retArray[i] = this._interpolate(index, lower[i], upper[i]);\n\t            }\n\t            return retArray;\n\t        } else if (this.isObject(lower)) {\n\t            var retObj = {};\n\t            for (var attr in lower) {\n\t                retObj[attr] = this._interpolate(index, lower[attr], upper[attr]);\n\t            }\n\t            return retObj;\n\t        } else {\n\t            lower = this._toNumber(lower);\n\t            upper = this._toNumber(upper);\n\t            return (1 - index) * lower + index * upper;\n\t        }\n\t    };\n\t    /**\n\t\t *  Convert from the given type into a number\n\t\t *  @param  {Number|String}  value\n\t\t *  @return  {Number}\n\t\t *  @private\n\t\t */\n\t    Tone.CtrlInterpolate.prototype._toNumber = function (val) {\n\t        if (this.isNumber(val)) {\n\t            return val;\n\t        } else {\n\t            //otherwise assume that it's Time...\n\t            return this.toSeconds(val);\n\t        }\n\t    };\n\t    /**\n\t\t *  Clean up\n\t\t *  @return  {Tone.CtrlInterpolate}  this\n\t\t */\n\t    Tone.CtrlInterpolate.prototype.dispose = function () {\n\t        this.values = null;\n\t    };\n\t    return Tone.CtrlInterpolate;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Tone.CtrlMarkov represents a Markov Chain where each call\n\t\t *         to Tone.CtrlMarkov.next will move to the next state. If the next\n\t\t *         state choice is an array, the next state is chosen randomly with\n\t\t *         even probability for all of the choices. For a weighted probability\n\t\t *         of the next choices, pass in an object with \"state\" and \"probability\" attributes. \n\t\t *         The probabilities will be normalized and then chosen. If no next options\n\t\t *         are given for the current state, the state will stay there. \n\t\t *  @extends {Tone}\n\t\t *  @example\n\t\t * var chain = new Tone.CtrlMarkov({\n\t\t * \t\"beginning\" : [\"end\", \"middle\"],\n\t\t * \t\"middle\" : \"end\"\n\t\t * });\n\t\t * chain.value = \"beginning\";\n\t\t * chain.next(); //returns \"end\" or \"middle\" with 50% probability\n\t\t *\n\t\t *  @example\n\t\t * var chain = new Tone.CtrlMarkov({\n\t\t * \t\"beginning\" : [{\"value\" : \"end\", \"probability\" : 0.8}, \n\t\t * \t\t\t\t\t{\"value\" : \"middle\", \"probability\" : 0.2}],\n\t\t * \t\"middle\" : \"end\"\n\t\t * });\n\t\t * chain.value = \"beginning\";\n\t\t * chain.next(); //returns \"end\" with 80% probability or \"middle\" with 20%.\n\t\t *  @param {Object} values An object with the state names as the keys\n\t\t *                         and the next state(s) as the values. \n\t\t */\n\t    Tone.CtrlMarkov = function (values, initial) {\n\t        /**\n\t\t\t *  The Markov values with states as the keys\n\t\t\t *  and next state(s) as the values. \n\t\t\t *  @type {Object}\n\t\t\t */\n\t        this.values = this.defaultArg(values, {});\n\t        /**\n\t\t\t *  The current state of the Markov values. The next\n\t\t\t *  state will be evaluated and returned when Tone.CtrlMarkov.next\n\t\t\t *  is invoked.\n\t\t\t *  @type {String}\n\t\t\t */\n\t        this.value = this.defaultArg(initial, Object.keys(this.values)[0]);\n\t    };\n\t    Tone.extend(Tone.CtrlMarkov);\n\t    /**\n\t\t *  Returns the next state of the Markov values. \n\t\t *  @return  {String}\n\t\t */\n\t    Tone.CtrlMarkov.prototype.next = function () {\n\t        if (this.values.hasOwnProperty(this.value)) {\n\t            var next = this.values[this.value];\n\t            if (this.isArray(next)) {\n\t                var distribution = this._getProbDistribution(next);\n\t                var rand = Math.random();\n\t                var total = 0;\n\t                for (var i = 0; i < distribution.length; i++) {\n\t                    var dist = distribution[i];\n\t                    if (rand > total && rand < total + dist) {\n\t                        var chosen = next[i];\n\t                        if (this.isObject(chosen)) {\n\t                            this.value = chosen.value;\n\t                        } else {\n\t                            this.value = chosen;\n\t                        }\n\t                    }\n\t                    total += dist;\n\t                }\n\t            } else {\n\t                this.value = next;\n\t            }\n\t        }\n\t        return this.value;\n\t    };\n\t    /**\n\t\t *  Choose randomly from an array weighted options in the form \n\t\t *  {\"state\" : string, \"probability\" : number} or an array of values\n\t\t *  @param  {Array}  options \n\t\t *  @return  {Array}  The randomly selected choice\n\t\t *  @private\n\t\t */\n\t    Tone.CtrlMarkov.prototype._getProbDistribution = function (options) {\n\t        var distribution = [];\n\t        var total = 0;\n\t        var needsNormalizing = false;\n\t        for (var i = 0; i < options.length; i++) {\n\t            var option = options[i];\n\t            if (this.isObject(option)) {\n\t                needsNormalizing = true;\n\t                distribution[i] = option.probability;\n\t            } else {\n\t                distribution[i] = 1 / options.length;\n\t            }\n\t            total += distribution[i];\n\t        }\n\t        if (needsNormalizing) {\n\t            //normalize the values\n\t            for (var j = 0; j < distribution.length; j++) {\n\t                distribution[j] = distribution[j] / total;\n\t            }\n\t        }\n\t        return distribution;\n\t    };\n\t    /**\n\t\t *  Clean up\n\t\t *  @return  {Tone.CtrlMarkov}  this\n\t\t */\n\t    Tone.CtrlMarkov.prototype.dispose = function () {\n\t        this.values = null;\n\t    };\n\t    return Tone.CtrlMarkov;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Generate patterns from an array of values.\n\t\t *         Has a number of arpeggiation and randomized\n\t\t *         selection patterns. \n\t\t *           <ul>\n\t\t *  \t        <li>\"up\" - cycles upward</li>\n\t\t *  \t\t\t<li>\"down\" - cycles downward</li>\n\t\t *  \t\t\t<li>\"upDown\" - up then and down</li>\n\t\t *  \t\t\t<li>\"downUp\" - cycles down then and up</li>\n\t\t *  \t\t\t<li>\"alternateUp\" - jump up two and down one</li>\n\t\t *  \t\t\t<li>\"alternateDown\" - jump down two and up one</li>\n\t\t *  \t\t\t<li>\"random\" - randomly select an index</li>\n\t\t *  \t\t\t<li>\"randomWalk\" - randomly moves one index away from the current position</li>\n\t\t *  \t\t\t<li>\"randomOnce\" - randomly select an index without repeating until all values have been chosen.</li>\n\t\t *     \t\t</ul>\n\t\t *  @param  {Array}  values   An array of options to choose from.\n\t\t *  @param  {Tone.CtrlPattern.Type=}  type  The name of the pattern.\n\t\t *  @extends {Tone}\n\t\t */\n\t    Tone.CtrlPattern = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'values',\n\t            'type'\n\t        ], Tone.CtrlPattern.defaults);\n\t        /**\n\t\t\t *  The array of values to arpeggiate over\n\t\t\t *  @type {Array}\n\t\t\t */\n\t        this.values = options.values;\n\t        /**\n\t\t\t *  The current position in the values array\n\t\t\t *  @type  {Number}\n\t\t\t */\n\t        this.index = 0;\n\t        /**\n\t\t\t *  The type placeholder\n\t\t\t *  @type {Tone.CtrlPattern.Type}\n\t\t\t *  @private\n\t\t\t */\n\t        this._type = null;\n\t        /**\n\t\t\t *  Shuffled values for the RandomOnce type\n\t\t\t *  @type {Array}\n\t\t\t *  @private\n\t\t\t */\n\t        this._shuffled = null;\n\t        /**\n\t\t\t *  The direction of the movement\n\t\t\t *  @type {String}\n\t\t\t *  @private\n\t\t\t */\n\t        this._direction = null;\n\t        this.type = options.type;\n\t    };\n\t    Tone.extend(Tone.CtrlPattern);\n\t    /**\n\t\t *  The Control Patterns\n\t\t *  @type  {Object}\n\t\t *  @static\n\t\t */\n\t    Tone.CtrlPattern.Type = {\n\t        Up: 'up',\n\t        Down: 'down',\n\t        UpDown: 'upDown',\n\t        DownUp: 'downUp',\n\t        AlternateUp: 'alternateUp',\n\t        AlternateDown: 'alternateDown',\n\t        Random: 'random',\n\t        RandomWalk: 'randomWalk',\n\t        RandomOnce: 'randomOnce'\n\t    };\n\t    /**\n\t\t *  The default values. \n\t\t *  @type  {Object}\n\t\t */\n\t    Tone.CtrlPattern.defaults = {\n\t        'type': Tone.CtrlPattern.Type.Up,\n\t        'values': []\n\t    };\n\t    /**\n\t\t *  The value at the current index of the pattern.\n\t\t *  @readOnly\n\t\t *  @memberOf Tone.CtrlPattern#\n\t\t *  @type {*}\n\t\t *  @name value\n\t\t */\n\t    Object.defineProperty(Tone.CtrlPattern.prototype, 'value', {\n\t        get: function () {\n\t            //some safeguards\n\t            if (this.values.length === 0) {\n\t                return;\n\t            } else if (this.values.length === 1) {\n\t                return this.values[0];\n\t            }\n\t            this.index = Math.min(this.index, this.values.length - 1);\n\t            var val = this.values[this.index];\n\t            if (this.type === Tone.CtrlPattern.Type.RandomOnce) {\n\t                if (this.values.length !== this._shuffled.length) {\n\t                    this._shuffleValues();\n\t                }\n\t                val = this.values[this._shuffled[this.index]];\n\t            }\n\t            return val;\n\t        }\n\t    });\n\t    /**\n\t\t *  The pattern used to select the next\n\t\t *  item from the values array\n\t\t *  @memberOf Tone.CtrlPattern#\n\t\t *  @type {Tone.CtrlPattern.Type}\n\t\t *  @name type\n\t\t */\n\t    Object.defineProperty(Tone.CtrlPattern.prototype, 'type', {\n\t        get: function () {\n\t            return this._type;\n\t        },\n\t        set: function (type) {\n\t            this._type = type;\n\t            this._shuffled = null;\n\t            //the first index\n\t            if (this._type === Tone.CtrlPattern.Type.Up || this._type === Tone.CtrlPattern.Type.UpDown || this._type === Tone.CtrlPattern.Type.RandomOnce || this._type === Tone.CtrlPattern.Type.AlternateUp) {\n\t                this.index = 0;\n\t            } else if (this._type === Tone.CtrlPattern.Type.Down || this._type === Tone.CtrlPattern.Type.DownUp || this._type === Tone.CtrlPattern.Type.AlternateDown) {\n\t                this.index = this.values.length - 1;\n\t            }\n\t            //the direction\n\t            if (this._type === Tone.CtrlPattern.Type.UpDown || this._type === Tone.CtrlPattern.Type.AlternateUp) {\n\t                this._direction = Tone.CtrlPattern.Type.Up;\n\t            } else if (this._type === Tone.CtrlPattern.Type.DownUp || this._type === Tone.CtrlPattern.Type.AlternateDown) {\n\t                this._direction = Tone.CtrlPattern.Type.Down;\n\t            }\n\t            //randoms\n\t            if (this._type === Tone.CtrlPattern.Type.RandomOnce) {\n\t                this._shuffleValues();\n\t            } else if (this._type === Tone.CtrlPattern.Random) {\n\t                this.index = Math.floor(Math.random() * this.values.length);\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t *  Return the next value given the current position\n\t\t *  and pattern.\n\t\t *  @return {*} The next value\n\t\t */\n\t    Tone.CtrlPattern.prototype.next = function () {\n\t        var type = this.type;\n\t        //choose the next index\n\t        if (type === Tone.CtrlPattern.Type.Up) {\n\t            this.index++;\n\t            if (this.index >= this.values.length) {\n\t                this.index = 0;\n\t            }\n\t        } else if (type === Tone.CtrlPattern.Type.Down) {\n\t            this.index--;\n\t            if (this.index < 0) {\n\t                this.index = this.values.length - 1;\n\t            }\n\t        } else if (type === Tone.CtrlPattern.Type.UpDown || type === Tone.CtrlPattern.Type.DownUp) {\n\t            if (this._direction === Tone.CtrlPattern.Type.Up) {\n\t                this.index++;\n\t            } else {\n\t                this.index--;\n\t            }\n\t            if (this.index < 0) {\n\t                this.index = 1;\n\t                this._direction = Tone.CtrlPattern.Type.Up;\n\t            } else if (this.index >= this.values.length) {\n\t                this.index = this.values.length - 2;\n\t                this._direction = Tone.CtrlPattern.Type.Down;\n\t            }\n\t        } else if (type === Tone.CtrlPattern.Type.Random) {\n\t            this.index = Math.floor(Math.random() * this.values.length);\n\t        } else if (type === Tone.CtrlPattern.Type.RandomWalk) {\n\t            if (Math.random() < 0.5) {\n\t                this.index--;\n\t                this.index = Math.max(this.index, 0);\n\t            } else {\n\t                this.index++;\n\t                this.index = Math.min(this.index, this.values.length - 1);\n\t            }\n\t        } else if (type === Tone.CtrlPattern.Type.RandomOnce) {\n\t            this.index++;\n\t            if (this.index >= this.values.length) {\n\t                this.index = 0;\n\t                //reshuffle the values for next time\n\t                this._shuffleValues();\n\t            }\n\t        } else if (type === Tone.CtrlPattern.Type.AlternateUp) {\n\t            if (this._direction === Tone.CtrlPattern.Type.Up) {\n\t                this.index += 2;\n\t                this._direction = Tone.CtrlPattern.Type.Down;\n\t            } else {\n\t                this.index -= 1;\n\t                this._direction = Tone.CtrlPattern.Type.Up;\n\t            }\n\t            if (this.index >= this.values.length) {\n\t                this.index = 0;\n\t                this._direction = Tone.CtrlPattern.Type.Up;\n\t            }\n\t        } else if (type === Tone.CtrlPattern.Type.AlternateDown) {\n\t            if (this._direction === Tone.CtrlPattern.Type.Up) {\n\t                this.index += 1;\n\t                this._direction = Tone.CtrlPattern.Type.Down;\n\t            } else {\n\t                this.index -= 2;\n\t                this._direction = Tone.CtrlPattern.Type.Up;\n\t            }\n\t            if (this.index < 0) {\n\t                this.index = this.values.length - 1;\n\t                this._direction = Tone.CtrlPattern.Type.Down;\n\t            }\n\t        }\n\t        return this.value;\n\t    };\n\t    /**\n\t\t *  Shuffles the values and places the results into the _shuffled\n\t\t *  @private\n\t\t */\n\t    Tone.CtrlPattern.prototype._shuffleValues = function () {\n\t        var copy = [];\n\t        this._shuffled = [];\n\t        for (var i = 0; i < this.values.length; i++) {\n\t            copy[i] = i;\n\t        }\n\t        while (copy.length > 0) {\n\t            var randVal = copy.splice(Math.floor(copy.length * Math.random()), 1);\n\t            this._shuffled.push(randVal[0]);\n\t        }\n\t    };\n\t    /**\n\t\t *  Clean up\n\t\t *  @returns {Tone.CtrlPattern} this\n\t\t */\n\t    Tone.CtrlPattern.prototype.dispose = function () {\n\t        this._shuffled = null;\n\t        this.values = null;\n\t    };\n\t    return Tone.CtrlPattern;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  Choose a random value.\n\t\t *  @extends {Tone}\n\t\t *  @example\n\t\t * var randomWalk = new Tone.CtrlRandom({\n\t\t * \t\"min\" : 0,\n\t\t * \t\"max\" : 10,\n\t\t * \t\"integer\" : true\n\t\t * });\n\t\t * randomWalk.eval();\n\t\t *\n\t\t *  @param {Number|Time=} min The minimum return value.\n\t\t *  @param {Number|Time=} max The maximum return value.\n\t\t */\n\t    Tone.CtrlRandom = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'min',\n\t            'max'\n\t        ], Tone.CtrlRandom.defaults);\n\t        /**\n\t\t\t *  The minimum return value\n\t\t\t *  @type  {Number|Time}\n\t\t\t */\n\t        this.min = options.min;\n\t        /**\n\t\t\t *  The maximum return value\n\t\t\t *  @type  {Number|Time}\n\t\t\t */\n\t        this.max = options.max;\n\t        /**\n\t\t\t *  If the return value should be an integer\n\t\t\t *  @type  {Boolean}\n\t\t\t */\n\t        this.integer = options.integer;\n\t    };\n\t    Tone.extend(Tone.CtrlRandom);\n\t    /**\n\t\t *  The defaults\n\t\t *  @const\n\t\t *  @type  {Object}\n\t\t */\n\t    Tone.CtrlRandom.defaults = {\n\t        'min': 0,\n\t        'max': 1,\n\t        'integer': false\n\t    };\n\t    /**\n\t\t *  Return a random value between min and max. \n\t\t *  @readOnly\n\t\t *  @memberOf Tone.CtrlRandom#\n\t\t *  @type {*}\n\t\t *  @name value\n\t\t */\n\t    Object.defineProperty(Tone.CtrlRandom.prototype, 'value', {\n\t        get: function () {\n\t            var min = this.toSeconds(this.min);\n\t            var max = this.toSeconds(this.max);\n\t            var rand = Math.random();\n\t            var val = rand * min + (1 - rand) * max;\n\t            if (this.integer) {\n\t                val = Math.floor(val);\n\t            }\n\t            return val;\n\t        }\n\t    });\n\t    return Tone.CtrlRandom;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  AudioBuffer.copyToChannel polyfill\n\t\t *  @private\n\t\t */\n\t    if (window.AudioBuffer && !AudioBuffer.prototype.copyToChannel) {\n\t        AudioBuffer.prototype.copyToChannel = function (src, chanNum, start) {\n\t            var channel = this.getChannelData(chanNum);\n\t            start = start || 0;\n\t            for (var i = 0; i < channel.length; i++) {\n\t                channel[i + start] = src[i];\n\t            }\n\t        };\n\t        AudioBuffer.prototype.copyFromChannel = function (dest, chanNum, start) {\n\t            var channel = this.getChannelData(chanNum);\n\t            start = start || 0;\n\t            for (var i = 0; i < channel.length; i++) {\n\t                dest[i] = channel[i + start];\n\t            }\n\t        };\n\t    }\n\t    /**\n\t\t *  @class  Buffer loading and storage. Tone.Buffer is used internally by all \n\t\t *          classes that make requests for audio files such as Tone.Player,\n\t\t *          Tone.Sampler and Tone.Convolver.\n\t\t *          <br><br>\n\t\t *          Aside from load callbacks from individual buffers, Tone.Buffer \n\t\t *  \t\tprovides static methods which keep track of the loading progress \n\t\t *  \t\tof all of the buffers. These methods are Tone.Buffer.on(\"load\" / \"progress\" / \"error\")\n\t\t *\n\t\t *  @constructor \n\t\t *  @extends {Tone}\n\t\t *  @param {AudioBuffer|string} url The url to load, or the audio buffer to set. \n\t\t *  @param {Function=} onload A callback which is invoked after the buffer is loaded. \n\t\t *                            It's recommended to use Tone.Buffer.onload instead \n\t\t *                            since it will give you a callback when ALL buffers are loaded.\n\t\t *  @param {Function=} onerror The callback to invoke if there is an error\n\t\t *  @example\n\t\t * var buffer = new Tone.Buffer(\"path/to/sound.mp3\", function(){\n\t\t * \t//the buffer is now available.\n\t\t * \tvar buff = buffer.get();\n\t\t * });\n\t\t */\n\t    Tone.Buffer = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'url',\n\t            'onload',\n\t            'onerror'\n\t        ], Tone.Buffer.defaults);\n\t        /**\n\t\t\t *  stores the loaded AudioBuffer\n\t\t\t *  @type {AudioBuffer}\n\t\t\t *  @private\n\t\t\t */\n\t        this._buffer = null;\n\t        /**\n\t\t\t *  indicates if the buffer should be reversed or not\n\t\t\t *  @type {Boolean}\n\t\t\t *  @private\n\t\t\t */\n\t        this._reversed = options.reverse;\n\t        /**\n\t\t\t *  The XHR\n\t\t\t *  @type  {XMLHttpRequest}\n\t\t\t *  @private\n\t\t\t */\n\t        this._xhr = null;\n\t        if (options.url instanceof AudioBuffer || options.url instanceof Tone.Buffer) {\n\t            this.set(options.url);\n\t            // invoke the onload callback\n\t            if (options.onload) {\n\t                options.onload(this);\n\t            }\n\t        } else if (this.isString(options.url)) {\n\t            this.load(options.url, options.onload, options.onerror);\n\t        }\n\t    };\n\t    Tone.extend(Tone.Buffer);\n\t    /**\n\t\t *  the default parameters\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.Buffer.defaults = {\n\t        'url': undefined,\n\t        'reverse': false\n\t    };\n\t    /**\n\t\t *  Pass in an AudioBuffer or Tone.Buffer to set the value\n\t\t *  of this buffer.\n\t\t *  @param {AudioBuffer|Tone.Buffer} buffer the buffer\n\t\t *  @returns {Tone.Buffer} this\n\t\t */\n\t    Tone.Buffer.prototype.set = function (buffer) {\n\t        if (buffer instanceof Tone.Buffer) {\n\t            this._buffer = buffer.get();\n\t        } else {\n\t            this._buffer = buffer;\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  @return {AudioBuffer} The audio buffer stored in the object.\n\t\t */\n\t    Tone.Buffer.prototype.get = function () {\n\t        return this._buffer;\n\t    };\n\t    /**\n\t\t *  Makes an xhr reqest for the selected url then decodes\n\t\t *  the file as an audio buffer. Invokes\n\t\t *  the callback once the audio buffer loads.\n\t\t *  @param {String} url The url of the buffer to load.\n\t\t *                      filetype support depends on the\n\t\t *                      browser.\n\t\t *  @returns {Promise} returns a Promise which resolves with the Tone.Buffer\n\t\t */\n\t    Tone.Buffer.prototype.load = function (url, onload, onerror) {\n\t        var promise = new Promise(function (load, error) {\n\t            this._xhr = Tone.Buffer.load(url, //success\n\t            function (buff) {\n\t                this._xhr = null;\n\t                this.set(buff);\n\t                load(this);\n\t                if (onload) {\n\t                    onload(this);\n\t                }\n\t            }.bind(this), //error\n\t            function (err) {\n\t                this._xhr = null;\n\t                error(err);\n\t                if (onerror) {\n\t                    onerror(err);\n\t                }\n\t            }.bind(this));\n\t        }.bind(this));\n\t        return promise;\n\t    };\n\t    /**\n\t\t *  dispose and disconnect\n\t\t *  @returns {Tone.Buffer} this\n\t\t */\n\t    Tone.Buffer.prototype.dispose = function () {\n\t        Tone.Emitter.prototype.dispose.call(this);\n\t        this._buffer = null;\n\t        if (this._xhr) {\n\t            Tone.Buffer._currentDownloads--;\n\t            this._xhr.abort();\n\t            this._xhr = null;\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t * If the buffer is loaded or not\n\t\t * @memberOf Tone.Buffer#\n\t\t * @type {Boolean}\n\t\t * @name loaded\n\t\t * @readOnly\n\t\t */\n\t    Object.defineProperty(Tone.Buffer.prototype, 'loaded', {\n\t        get: function () {\n\t            return this.length > 0;\n\t        }\n\t    });\n\t    /**\n\t\t * The duration of the buffer. \n\t\t * @memberOf Tone.Buffer#\n\t\t * @type {Number}\n\t\t * @name duration\n\t\t * @readOnly\n\t\t */\n\t    Object.defineProperty(Tone.Buffer.prototype, 'duration', {\n\t        get: function () {\n\t            if (this._buffer) {\n\t                return this._buffer.duration;\n\t            } else {\n\t                return 0;\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t * The length of the buffer in samples\n\t\t * @memberOf Tone.Buffer#\n\t\t * @type {Number}\n\t\t * @name length\n\t\t * @readOnly\n\t\t */\n\t    Object.defineProperty(Tone.Buffer.prototype, 'length', {\n\t        get: function () {\n\t            if (this._buffer) {\n\t                return this._buffer.length;\n\t            } else {\n\t                return 0;\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t * The number of discrete audio channels. Returns 0 if no buffer\n\t\t * is loaded.\n\t\t * @memberOf Tone.Buffer#\n\t\t * @type {Number}\n\t\t * @name numberOfChannels\n\t\t * @readOnly\n\t\t */\n\t    Object.defineProperty(Tone.Buffer.prototype, 'numberOfChannels', {\n\t        get: function () {\n\t            if (this._buffer) {\n\t                return this._buffer.numberOfChannels;\n\t            } else {\n\t                return 0;\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t *  Set the audio buffer from the array\n\t\t *  @param {Float32Array} array The array to fill the audio buffer\n\t\t *  @param {Number} [channels=1] The number of channels contained in the array. \n\t\t *                               If the channel is more than 1, the input array\n\t\t *                               is expected to be a multidimensional array\n\t\t *                               with dimensions equal to the number of channels.\n\t\t *  @return {Tone.Buffer} this\n\t\t */\n\t    Tone.Buffer.prototype.fromArray = function (array) {\n\t        var isMultidimensional = array[0].length > 0;\n\t        var channels = isMultidimensional ? array.length : 1;\n\t        var len = isMultidimensional ? array[0].length : array.length;\n\t        var buffer = this.context.createBuffer(channels, len, this.context.sampleRate);\n\t        if (!isMultidimensional && channels === 1) {\n\t            array = [array];\n\t        }\n\t        for (var c = 0; c < channels; c++) {\n\t            buffer.copyToChannel(array[c], c);\n\t        }\n\t        this._buffer = buffer;\n\t        return this;\n\t    };\n\t    /**\n\t\t * \tSums muliple channels into 1 channel\n\t\t *  @param {Number=} channel Optionally only copy a single channel from the array.\n\t\t *  @return {Array}\n\t\t */\n\t    Tone.Buffer.prototype.toMono = function (chanNum) {\n\t        if (this.isNumber(chanNum)) {\n\t            this.fromArray(this.toArray(chanNum));\n\t        } else {\n\t            var outputArray = new Float32Array(this.length);\n\t            var numChannels = this.numberOfChannels;\n\t            for (var channel = 0; channel < numChannels; channel++) {\n\t                var channelArray = this.toArray(channel);\n\t                for (var i = 0; i < channelArray.length; i++) {\n\t                    outputArray[i] += channelArray[i];\n\t                }\n\t            }\n\t            //divide by the number of channels\n\t            outputArray = outputArray.map(function (sample) {\n\t                return sample / numChannels;\n\t            });\n\t            this.fromArray(outputArray);\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t * \tGet the buffer as an array. Single channel buffers will return a 1-dimensional \n\t\t * \tFloat32Array, and multichannel buffers will return multidimensional arrays.\n\t\t *  @param {Number=} channel Optionally only copy a single channel from the array.\n\t\t *  @return {Array}\n\t\t */\n\t    Tone.Buffer.prototype.toArray = function (channel) {\n\t        if (this.isNumber(channel)) {\n\t            return this.getChannelData(channel);\n\t        } else if (this.numberOfChannels === 1) {\n\t            return this.toArray(0);\n\t        } else {\n\t            var ret = [];\n\t            for (var c = 0; c < this.numberOfChannels; c++) {\n\t                ret[c] = this.getChannelData(c);\n\t            }\n\t            return ret;\n\t        }\n\t    };\n\t    /**\n\t\t *  Returns the Float32Array representing the PCM audio data for the specific channel.\n\t\t *  @param  {Number}  channel  The channel number to return\n\t\t *  @return  {Float32Array}  The audio as a TypedArray\n\t\t */\n\t    Tone.Buffer.prototype.getChannelData = function (channel) {\n\t        return this._buffer.getChannelData(channel);\n\t    };\n\t    /**\n\t\t *  Cut a subsection of the array and return a buffer of the\n\t\t *  subsection. Does not modify the original buffer\n\t\t *  @param {Time} start The time to start the slice\n\t\t *  @param {Time=} end The end time to slice. If none is given\n\t\t *                     will default to the end of the buffer\n\t\t *  @return {Tone.Buffer} this\n\t\t */\n\t    Tone.Buffer.prototype.slice = function (start, end) {\n\t        end = this.defaultArg(end, this.duration);\n\t        var startSamples = Math.floor(this.context.sampleRate * this.toSeconds(start));\n\t        var endSamples = Math.floor(this.context.sampleRate * this.toSeconds(end));\n\t        var replacement = [];\n\t        for (var i = 0; i < this.numberOfChannels; i++) {\n\t            replacement[i] = this.toArray(i).slice(startSamples, endSamples);\n\t        }\n\t        var retBuffer = new Tone.Buffer().fromArray(replacement);\n\t        return retBuffer;\n\t    };\n\t    /**\n\t\t *  Reverse the buffer.\n\t\t *  @private\n\t\t *  @return {Tone.Buffer} this\n\t\t */\n\t    Tone.Buffer.prototype._reverse = function () {\n\t        if (this.loaded) {\n\t            for (var i = 0; i < this.numberOfChannels; i++) {\n\t                Array.prototype.reverse.call(this.getChannelData(i));\n\t            }\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t * Reverse the buffer.\n\t\t * @memberOf Tone.Buffer#\n\t\t * @type {Boolean}\n\t\t * @name reverse\n\t\t */\n\t    Object.defineProperty(Tone.Buffer.prototype, 'reverse', {\n\t        get: function () {\n\t            return this._reversed;\n\t        },\n\t        set: function (rev) {\n\t            if (this._reversed !== rev) {\n\t                this._reversed = rev;\n\t                this._reverse();\n\t            }\n\t        }\n\t    });\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    // STATIC METHODS\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    //statically inherits Emitter methods\n\t    Tone.Emitter.mixin(Tone.Buffer);\n\t    /**\n\t\t *  the static queue for all of the xhr requests\n\t\t *  @type {Array}\n\t\t *  @private\n\t\t */\n\t    Tone.Buffer._downloadQueue = [];\n\t    /**\n\t\t *  the total number of downloads\n\t\t *  @type {Number}\n\t\t *  @private\n\t\t */\n\t    Tone.Buffer._currentDownloads = 0;\n\t    /**\n\t\t *  A path which is prefixed before every url.\n\t\t *  @type  {String}\n\t\t *  @static\n\t\t */\n\t    Tone.Buffer.baseUrl = '';\n\t    /**\n\t\t *  Loads a url using XMLHttpRequest.\n\t\t *  @param {String} url\n\t\t *  @param {Function} onload\n\t\t *  @param {Function} onerror\n\t\t *  @param {Function} onprogress\n\t\t *  @return {XMLHttpRequest}\n\t\t */\n\t    Tone.Buffer.load = function (url, onload, onerror) {\n\t        //default\n\t        onload = onload || Tone.noOp;\n\t        function onError(e) {\n\t            if (onerror) {\n\t                onerror(e);\n\t                Tone.Buffer.emit('error', e);\n\t            } else {\n\t                throw new Error(e);\n\t            }\n\t        }\n\t        function onProgress() {\n\t            //calculate the progress\n\t            var totalProgress = 0;\n\t            for (var i = 0; i < Tone.Buffer._downloadQueue.length; i++) {\n\t                totalProgress += Tone.Buffer._downloadQueue[i].progress;\n\t            }\n\t            Tone.Buffer.emit('progress', totalProgress / Tone.Buffer._downloadQueue.length);\n\t        }\n\t        var request = new XMLHttpRequest();\n\t        request.open('GET', Tone.Buffer.baseUrl + url, true);\n\t        request.responseType = 'arraybuffer';\n\t        //start out as 0\n\t        request.progress = 0;\n\t        Tone.Buffer._currentDownloads++;\n\t        Tone.Buffer._downloadQueue.push(request);\n\t        request.addEventListener('load', function () {\n\t            if (request.status === 200) {\n\t                Tone.context.decodeAudioData(request.response, function (buff) {\n\t                    request.progress = 1;\n\t                    onProgress();\n\t                    onload(buff);\n\t                    Tone.Buffer._currentDownloads--;\n\t                    if (Tone.Buffer._currentDownloads === 0) {\n\t                        // clear the downloads\n\t                        Tone.Buffer._downloadQueue = [];\n\t                        //emit the event at the end\n\t                        Tone.Buffer.emit('load');\n\t                    }\n\t                }, function () {\n\t                    onError('Tone.Buffer: could not decode audio data: ' + url);\n\t                });\n\t            } else {\n\t                onError('Tone.Buffer: could not locate file: ' + url);\n\t            }\n\t        });\n\t        request.addEventListener('error', onError);\n\t        request.addEventListener('progress', function (event) {\n\t            if (event.lengthComputable) {\n\t                //only go to 95%, the last 5% is when the audio is decoded\n\t                request.progress = event.loaded / event.total * 0.95;\n\t                onProgress();\n\t            }\n\t        });\n\t        request.send();\n\t        return request;\n\t    };\n\t    /**\n\t\t *  Stop all of the downloads in progress\n\t\t *  @return {Tone.Buffer}\n\t\t *  @static\n\t\t */\n\t    Tone.Buffer.cancelDownloads = function () {\n\t        Tone.Buffer._downloadQueue.forEach(function (request) {\n\t            request.abort();\n\t        });\n\t        Tone.Buffer._currentDownloads = 0;\n\t        return Tone.Buffer;\n\t    };\n\t    /**\n\t\t *  Checks a url's extension to see if the current browser can play that file type.\n\t\t *  @param {String} url The url/extension to test\n\t\t *  @return {Boolean} If the file extension can be played\n\t\t *  @static\n\t\t *  @example\n\t\t * Tone.Buffer.supportsType(\"wav\"); //returns true\n\t\t * Tone.Buffer.supportsType(\"path/to/file.wav\"); //returns true\n\t\t */\n\t    Tone.Buffer.supportsType = function (url) {\n\t        var extension = url.split('.');\n\t        extension = extension[extension.length - 1];\n\t        var response = document.createElement('audio').canPlayType('audio/' + extension);\n\t        return response !== '';\n\t    };\n\t    /**\n\t\t *  Returns a Promise which resolves when all of the buffers have loaded\n\t\t *  @return {Promise}\n\t\t */\n\t    Tone.loaded = function () {\n\t        var onload, onerror;\n\t        function removeEvents() {\n\t            //remove the events when it's resolved\n\t            Tone.Buffer.off('load', onload);\n\t            Tone.Buffer.off('error', onerror);\n\t        }\n\t        return new Promise(function (success, fail) {\n\t            onload = function () {\n\t                success();\n\t            };\n\t            onerror = function () {\n\t                fail();\n\t            };\n\t            //add the event listeners\n\t            Tone.Buffer.on('load', onload);\n\t            Tone.Buffer.on('error', onerror);\n\t        }).then(removeEvents).catch(function (e) {\n\t            removeEvents();\n\t            throw new Error(e);\n\t        });\n\t    };\n\t    return Tone.Buffer;\n\t});\n\tModule(function (Tone) {\n\t    /**\n\t\t *  @class A data structure for holding multiple buffers.\n\t\t *  \n\t\t *  @param  {Object|Array}    urls      An object literal or array\n\t\t *                                      of urls to load.\n\t\t *  @param  {Function=}  callback  The callback to invoke when\n\t\t *                                 the buffers are loaded. \n\t\t *  @extends {Tone}\n\t\t *  @example\n\t\t * //load a whole bank of piano samples\n\t\t * var pianoSamples = new Tone.Buffers({\n\t\t * \t\"C4\" : \"path/to/C4.mp3\"\n\t\t * \t\"C#4\" : \"path/to/C#4.mp3\"\n\t\t * \t\"D4\" : \"path/to/D4.mp3\"\n\t\t * \t\"D#4\" : \"path/to/D#4.mp3\"\n\t\t * \t...\n\t\t * }, function(){\n\t\t * \t//play one of the samples when they all load\n\t\t * \tplayer.buffer = pianoSamples.get(\"C4\");\n\t\t * \tplayer.start();\n\t\t * });\n\t\t * \n\t\t */\n\t    Tone.Buffers = function (urls, onload, baseUrl) {\n\t        /**\n\t\t\t *  All of the buffers\n\t\t\t *  @type  {Object}\n\t\t\t *  @private\n\t\t\t */\n\t        this._buffers = {};\n\t        /**\n\t\t\t *  A path which is prefixed before every url.\n\t\t\t *  @type  {String}\n\t\t\t */\n\t        this.baseUrl = this.defaultArg(baseUrl, '');\n\t        urls = this._flattenUrls(urls);\n\t        this._loadingCount = 0;\n\t        //add each one\n\t        for (var key in urls) {\n\t            this._loadingCount++;\n\t            this.add(key, urls[key], this._bufferLoaded.bind(this, onload));\n\t        }\n\t    };\n\t    Tone.extend(Tone.Buffers);\n\t    /**\n\t\t *  True if the buffers object has a buffer by that name.\n\t\t *  @param  {String|Number}  name  The key or index of the \n\t\t *                                 buffer.\n\t\t *  @return  {Boolean}\n\t\t */\n\t    Tone.Buffers.prototype.has = function (name) {\n\t        return this._buffers.hasOwnProperty(name);\n\t    };\n\t    /**\n\t\t *  Get a buffer by name. If an array was loaded, \n\t\t *  then use the array index.\n\t\t *  @param  {String|Number}  name  The key or index of the \n\t\t *                                 buffer.\n\t\t *  @return  {Tone.Buffer}\n\t\t */\n\t    Tone.Buffers.prototype.get = function (name) {\n\t        if (this.has(name)) {\n\t            return this._buffers[name];\n\t        } else {\n\t            throw new Error('Tone.Buffers: no buffer named ' + name);\n\t        }\n\t    };\n\t    /**\n\t\t *  A buffer was loaded. decrement the counter.\n\t\t *  @param  {Function}  callback \n\t\t *  @private\n\t\t */\n\t    Tone.Buffers.prototype._bufferLoaded = function (callback) {\n\t        this._loadingCount--;\n\t        if (this._loadingCount === 0 && callback) {\n\t            callback(this);\n\t        }\n\t    };\n\t    /**\n\t\t * If the buffers are loaded or not\n\t\t * @memberOf Tone.Buffers#\n\t\t * @type {Boolean}\n\t\t * @name loaded\n\t\t * @readOnly\n\t\t */\n\t    Object.defineProperty(Tone.Buffers.prototype, 'loaded', {\n\t        get: function () {\n\t            var isLoaded = true;\n\t            for (var buffName in this._buffers) {\n\t                var buff = this.get(buffName);\n\t                isLoaded = isLoaded && buff.loaded;\n\t            }\n\t            return isLoaded;\n\t        }\n\t    });\n\t    /**\n\t\t *  Add a buffer by name and url to the Buffers\n\t\t *  @param  {String}    name      A unique name to give\n\t\t *                                the buffer\n\t\t *  @param  {String|Tone.Buffer|Audiobuffer}  url  Either the url of the bufer, \n\t\t *                                                 or a buffer which will be added\n\t\t *                                                 with the given name.\n\t\t *  @param  {Function=}  callback  The callback to invoke \n\t\t *                                 when the url is loaded.\n\t\t */\n\t    Tone.Buffers.prototype.add = function (name, url, callback) {\n\t        callback = this.defaultArg(callback, Tone.noOp);\n\t        if (url instanceof Tone.Buffer) {\n\t            this._buffers[name] = url;\n\t            callback(this);\n\t        } else if (url instanceof AudioBuffer) {\n\t            this._buffers[name] = new Tone.Buffer(url);\n\t            callback(this);\n\t        } else if (this.isString(url)) {\n\t            this._buffers[name] = new Tone.Buffer(this.baseUrl + url, callback);\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Flatten an object into a single depth object. \n\t\t *  thanks to https://gist.github.com/penguinboy/762197\n\t\t *  @param   {Object} ob \t\n\t\t *  @return  {Object}    \n\t\t *  @private\n\t\t */\n\t    Tone.Buffers.prototype._flattenUrls = function (ob) {\n\t        var toReturn = {};\n\t        for (var i in ob) {\n\t            if (!ob.hasOwnProperty(i))\n\t                continue;\n\t            if (this.isObject(ob[i])) {\n\t                var flatObject = this._flattenUrls(ob[i]);\n\t                for (var x in flatObject) {\n\t                    if (!flatObject.hasOwnProperty(x))\n\t                        continue;\n\t                    toReturn[i + '.' + x] = flatObject[x];\n\t                }\n\t            } else {\n\t                toReturn[i] = ob[i];\n\t            }\n\t        }\n\t        return toReturn;\n\t    };\n\t    /**\n\t\t *  Clean up.\n\t\t *  @return  {Tone.Buffers} this\n\t\t */\n\t    Tone.Buffers.prototype.dispose = function () {\n\t        for (var name in this._buffers) {\n\t            this._buffers[name].dispose();\n\t        }\n\t        this._buffers = null;\n\t        return this;\n\t    };\n\t    return Tone.Buffers;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  buses are another way of routing audio\n\t\t *\n\t\t *  augments Tone.prototype to include send and recieve\n\t\t */\n\t    /**\n\t\t  *  All of the routes\n\t\t  *  \n\t\t  *  @type {Object}\n\t\t  *  @static\n\t\t  *  @private\n\t\t  */\n\t    var Buses = {};\n\t    /**\n\t\t *  Send this signal to the channel name. \n\t\t *  @param  {string} channelName A named channel to send the signal to.\n\t\t *  @param  {Decibels} amount The amount of the source to send to the bus. \n\t\t *  @return {GainNode} The gain node which connects this node to the desired channel. \n\t\t *                     Can be used to adjust the levels of the send.\n\t\t *  @example\n\t\t * source.send(\"reverb\", -12);\n\t\t */\n\t    Tone.prototype.send = function (channelName, amount) {\n\t        if (!Buses.hasOwnProperty(channelName)) {\n\t            Buses[channelName] = this.context.createGain();\n\t        }\n\t        amount = this.defaultArg(amount, 0);\n\t        var sendKnob = new Tone.Gain(amount, Tone.Type.Decibels);\n\t        this.output.chain(sendKnob, Buses[channelName]);\n\t        return sendKnob;\n\t    };\n\t    /**\n\t\t *  Recieve the input from the desired channelName to the input\n\t\t *\n\t\t *  @param  {string} channelName A named channel to send the signal to.\n\t\t *  @param {AudioNode} [input] If no input is selected, the\n\t\t *                                         input of the current node is\n\t\t *                                         chosen. \n\t\t *  @returns {Tone} this\n\t\t *  @example\n\t\t * reverbEffect.receive(\"reverb\");\n\t\t */\n\t    Tone.prototype.receive = function (channelName, input) {\n\t        if (!Buses.hasOwnProperty(channelName)) {\n\t            Buses[channelName] = this.context.createGain();\n\t        }\n\t        if (this.isUndef(input)) {\n\t            input = this.input;\n\t        }\n\t        Buses[channelName].connect(input);\n\t        return this;\n\t    };\n\t    //remove all the send/receives when a new audio context is passed in\n\t    Tone.Context.on('init', function (context) {\n\t        if (context.Buses) {\n\t            Buses = context.Buses;\n\t        } else {\n\t            Buses = {};\n\t            context.Buses = Buses;\n\t        }\n\t    });\n\t    return Tone;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Tone.Draw is useful for synchronizing visuals and audio events.\n\t\t *         Callbacks from Tone.Transport or any of the Tone.Event classes\n\t\t *         always happen _before_ the scheduled time and are not synchronized\n\t\t *         to the animation frame so they are not good for triggering tightly\n\t\t *         synchronized visuals and sound. Tone.Draw makes it easy to schedule\n\t\t *         callbacks using the AudioContext time and uses requestAnimationFrame.\n\t\t *         \n\t\t *  @singleton\n\t\t *  @extends {Tone}\n\t\t *  @example\n\t\t * Tone.Transport.schedule(function(time){\n\t\t * \t//use the time argument to schedule a callback with Tone.Draw\n\t\t * \tTone.Draw.schedule(function(){\n\t\t * \t\t//do drawing or DOM manipulation here\n\t\t * \t}, time)\n\t\t * }, \"+0.5\")\n\t\t */\n\t    Tone.Draw = function () {\n\t        /**\n\t\t\t *  All of the events.\n\t\t\t *  @type  {Tone.Timeline}\n\t\t\t *  @private\n\t\t\t */\n\t        this._events = new Tone.Timeline();\n\t        /**\n\t\t\t *  The duration after which events are not invoked.\n\t\t\t *  @type  {Number}\n\t\t\t *  @default 0.25\n\t\t\t */\n\t        this.expiration = 0.25;\n\t        /**\n\t\t\t *  The amount of time before the scheduled time \n\t\t\t *  that the callback can be invoked. Default is\n\t\t\t *  half the time of an animation frame (0.008 seconds).\n\t\t\t *  @type  {Number}\n\t\t\t *  @default 0.008\n\t\t\t */\n\t        this.anticipation = 0.008;\n\t        /**\n\t\t\t *  The draw loop\n\t\t\t *  @type  {Function}\n\t\t\t *  @private\n\t\t\t */\n\t        this._boundDrawLoop = this._drawLoop.bind(this);\n\t    };\n\t    Tone.extend(Tone.Draw);\n\t    /**\n\t\t *  Schedule a function at the given time to be invoked\n\t\t *  on the nearest animation frame.\n\t\t *  @param  {Function}  callback  Callback is invoked at the given time.\n\t\t *  @param  {Time}    time      The time relative to the AudioContext time\n\t\t *                              to invoke the callback.\n\t\t *  @return  {Tone.Draw}    this\n\t\t */\n\t    Tone.Draw.prototype.schedule = function (callback, time) {\n\t        this._events.add({\n\t            callback: callback,\n\t            time: this.toSeconds(time)\n\t        });\n\t        //start the draw loop on the first event\n\t        if (this._events.length === 1) {\n\t            requestAnimationFrame(this._boundDrawLoop);\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Cancel events scheduled after the given time\n\t\t *  @param  {Time=}  after  Time after which scheduled events will \n\t\t *                          be removed from the scheduling timeline.\n\t\t *  @return  {Tone.Draw}  this\n\t\t */\n\t    Tone.Draw.prototype.cancel = function (after) {\n\t        this._events.cancel(this.toSeconds(after));\n\t        return this;\n\t    };\n\t    /**\n\t\t *  The draw loop\n\t\t *  @private\n\t\t */\n\t    Tone.Draw.prototype._drawLoop = function () {\n\t        var now = Tone.now();\n\t        while (this._events.length && this._events.peek().time - this.anticipation <= now) {\n\t            var event = this._events.shift();\n\t            if (now - event.time <= this.expiration) {\n\t                event.callback();\n\t            }\n\t        }\n\t        if (this._events.length > 0) {\n\t            requestAnimationFrame(this._boundDrawLoop);\n\t        }\n\t    };\n\t    //make a singleton\n\t    Tone.Draw = new Tone.Draw();\n\t    return Tone.Draw;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  Both Tone.Panner3D and Tone.Listener have a position in 3D space \n\t\t *          using a right-handed cartesian coordinate system. \n\t\t *          The units used in the coordinate system are not defined; \n\t\t *          these coordinates are independent/invariant of any particular \n\t\t *          units such as meters or feet. Tone.Panner3D objects have an forward \n\t\t *          vector representing the direction the sound is projecting. Additionally, \n\t\t *          they have a sound cone representing how directional the sound is. \n\t\t *          For example, the sound could be omnidirectional, in which case it would \n\t\t *          be heard anywhere regardless of its forward, or it can be more directional \n\t\t *          and heard only if it is facing the listener. Tone.Listener objects \n\t\t *          (representing a person's ears) have an forward and up vector \n\t\t *          representing in which direction the person is facing. Because both the \n\t\t *          source stream and the listener can be moving, they both have a velocity \n\t\t *          vector representing both the speed and direction of movement. Taken together, \n\t\t *          these two velocities can be used to generate a doppler shift effect which changes the pitch.\n\t\t *          <br><br>\n\t\t *          Note: the position of the Listener will have no effect on nodes not connected to a Tone.Panner3D\n\t\t *  \n\t\t *  @constructor\n\t\t *  @extends {Tone}\n\t\t *  @singleton\n\t\t *  @param {Number} positionX The initial x position.\n\t\t *  @param {Number} positionY The initial y position.\n\t\t *  @param {Number} positionZ The initial z position.\n\t\t */\n\t    Tone.Listener = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'positionX',\n\t            'positionY',\n\t            'positionZ'\n\t        ], ListenerConstructor.defaults);\n\t        /**\n\t\t\t *  Holds the current forward orientation\n\t\t\t *  @type  {Array}\n\t\t\t *  @private\n\t\t\t */\n\t        this._orientation = [\n\t            options.forwardX,\n\t            options.forwardY,\n\t            options.forwardZ,\n\t            options.upX,\n\t            options.upY,\n\t            options.upZ\n\t        ];\n\t        /**\n\t\t\t *  Holds the current position\n\t\t\t *  @type  {Array}\n\t\t\t *  @private\n\t\t\t */\n\t        this._position = [\n\t            options.positionX,\n\t            options.positionY,\n\t            options.positionZ\n\t        ];\n\t        // set the default position/forward\n\t        this.forwardX = options.forwardX;\n\t        this.forwardY = options.forwardY;\n\t        this.forwardZ = options.forwardZ;\n\t        this.upX = options.upX;\n\t        this.upY = options.upY;\n\t        this.upZ = options.upZ;\n\t        this.positionX = options.positionX;\n\t        this.positionY = options.positionY;\n\t        this.positionZ = options.positionZ;\n\t    };\n\t    Tone.extend(Tone.Listener);\n\t    /**\n\t\t *  the default parameters\n\t\t *  @static\n\t\t *  @const\n\t\t *  @type {Object}\n\t\t *  Defaults according to the specification\n\t\t */\n\t    Tone.Listener.defaults = {\n\t        'positionX': 0,\n\t        'positionY': 0,\n\t        'positionZ': 0,\n\t        'forwardX': 0,\n\t        'forwardY': 0,\n\t        'forwardZ': 1,\n\t        'upX': 0,\n\t        'upY': 1,\n\t        'upZ': 0\n\t    };\n\t    /**\n\t\t * The ramp time which is applied to the setTargetAtTime\n\t\t * @type {Number}\n\t\t * @private\n\t\t */\n\t    Tone.Listener.prototype._rampTimeConstant = 0.01;\n\t    /**\n\t\t *  Sets the position of the listener in 3d space.\t\n\t\t *  @param  {Number}  x\n\t\t *  @param  {Number}  y\n\t\t *  @param  {Number}  z\n\t\t *  @return {Tone.Listener} this\n\t\t */\n\t    Tone.Listener.prototype.setPosition = function (x, y, z) {\n\t        if (this.context.listener.positionX) {\n\t            var now = this.now();\n\t            this.context.listener.positionX.setTargetAtTime(x, now, this._rampTimeConstant);\n\t            this.context.listener.positionY.setTargetAtTime(y, now, this._rampTimeConstant);\n\t            this.context.listener.positionZ.setTargetAtTime(z, now, this._rampTimeConstant);\n\t        } else {\n\t            this.context.listener.setPosition(x, y, z);\n\t        }\n\t        this._position = Array.prototype.slice.call(arguments);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Sets the orientation of the listener using two vectors, the forward\n\t\t *  vector (which direction the listener is facing) and the up vector \n\t\t *  (which the up direction of the listener). An up vector\n\t\t *  of 0, 0, 1 is equivalent to the listener standing up in the Z direction. \n\t\t *  @param  {Number}  x\n\t\t *  @param  {Number}  y\n\t\t *  @param  {Number}  z\n\t\t *  @param  {Number}  upX\n\t\t *  @param  {Number}  upY\n\t\t *  @param  {Number}  upZ\n\t\t *  @return {Tone.Listener} this\n\t\t */\n\t    Tone.Listener.prototype.setOrientation = function (x, y, z, upX, upY, upZ) {\n\t        if (this.context.listener.forwardX) {\n\t            var now = this.now();\n\t            this.context.listener.forwardX.setTargetAtTime(x, now, this._rampTimeConstant);\n\t            this.context.listener.forwardY.setTargetAtTime(y, now, this._rampTimeConstant);\n\t            this.context.listener.forwardZ.setTargetAtTime(z, now, this._rampTimeConstant);\n\t            this.context.listener.upX.setTargetAtTime(upX, now, this._rampTimeConstant);\n\t            this.context.listener.upY.setTargetAtTime(upY, now, this._rampTimeConstant);\n\t            this.context.listener.upZ.setTargetAtTime(upZ, now, this._rampTimeConstant);\n\t        } else {\n\t            this.context.listener.setOrientation(x, y, z, upX, upY, upZ);\n\t        }\n\t        this._orientation = Array.prototype.slice.call(arguments);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  The x position of the panner object.\n\t\t *  @type {Number}\n\t\t *  @memberOf Tone.Listener#\n\t\t *  @name positionX\n\t\t */\n\t    Object.defineProperty(Tone.Listener.prototype, 'positionX', {\n\t        set: function (pos) {\n\t            this._position[0] = pos;\n\t            this.setPosition.apply(this, this._position);\n\t        },\n\t        get: function () {\n\t            return this._position[0];\n\t        }\n\t    });\n\t    /**\n\t\t *  The y position of the panner object.\n\t\t *  @type {Number}\n\t\t *  @memberOf Tone.Listener#\n\t\t *  @name positionY\n\t\t */\n\t    Object.defineProperty(Tone.Listener.prototype, 'positionY', {\n\t        set: function (pos) {\n\t            this._position[1] = pos;\n\t            this.setPosition.apply(this, this._position);\n\t        },\n\t        get: function () {\n\t            return this._position[1];\n\t        }\n\t    });\n\t    /**\n\t\t *  The z position of the panner object.\n\t\t *  @type {Number}\n\t\t *  @memberOf Tone.Listener#\n\t\t *  @name positionZ\n\t\t */\n\t    Object.defineProperty(Tone.Listener.prototype, 'positionZ', {\n\t        set: function (pos) {\n\t            this._position[2] = pos;\n\t            this.setPosition.apply(this, this._position);\n\t        },\n\t        get: function () {\n\t            return this._position[2];\n\t        }\n\t    });\n\t    /**\n\t\t *  The x coordinate of the listeners front direction. i.e. \n\t\t *  which way they are facing.\n\t\t *  @type {Number}\n\t\t *  @memberOf Tone.Listener#\n\t\t *  @name forwardX\n\t\t */\n\t    Object.defineProperty(Tone.Listener.prototype, 'forwardX', {\n\t        set: function (pos) {\n\t            this._orientation[0] = pos;\n\t            this.setOrientation.apply(this, this._orientation);\n\t        },\n\t        get: function () {\n\t            return this._orientation[0];\n\t        }\n\t    });\n\t    /**\n\t\t *  The y coordinate of the listeners front direction. i.e. \n\t\t *  which way they are facing.\n\t\t *  @type {Number}\n\t\t *  @memberOf Tone.Listener#\n\t\t *  @name forwardY\n\t\t */\n\t    Object.defineProperty(Tone.Listener.prototype, 'forwardY', {\n\t        set: function (pos) {\n\t            this._orientation[1] = pos;\n\t            this.setOrientation.apply(this, this._orientation);\n\t        },\n\t        get: function () {\n\t            return this._orientation[1];\n\t        }\n\t    });\n\t    /**\n\t\t *  The z coordinate of the listeners front direction. i.e. \n\t\t *  which way they are facing.\n\t\t *  @type {Number}\n\t\t *  @memberOf Tone.Listener#\n\t\t *  @name forwardZ\n\t\t */\n\t    Object.defineProperty(Tone.Listener.prototype, 'forwardZ', {\n\t        set: function (pos) {\n\t            this._orientation[2] = pos;\n\t            this.setOrientation.apply(this, this._orientation);\n\t        },\n\t        get: function () {\n\t            return this._orientation[2];\n\t        }\n\t    });\n\t    /**\n\t\t *  The x coordinate of the listener's up direction. i.e.\n\t\t *  the direction the listener is standing in.\n\t\t *  @type {Number}\n\t\t *  @memberOf Tone.Listener#\n\t\t *  @name upX\n\t\t */\n\t    Object.defineProperty(Tone.Listener.prototype, 'upX', {\n\t        set: function (pos) {\n\t            this._orientation[3] = pos;\n\t            this.setOrientation.apply(this, this._orientation);\n\t        },\n\t        get: function () {\n\t            return this._orientation[3];\n\t        }\n\t    });\n\t    /**\n\t\t *  The y coordinate of the listener's up direction. i.e.\n\t\t *  the direction the listener is standing in.\n\t\t *  @type {Number}\n\t\t *  @memberOf Tone.Listener#\n\t\t *  @name upY\n\t\t */\n\t    Object.defineProperty(Tone.Listener.prototype, 'upY', {\n\t        set: function (pos) {\n\t            this._orientation[4] = pos;\n\t            this.setOrientation.apply(this, this._orientation);\n\t        },\n\t        get: function () {\n\t            return this._orientation[4];\n\t        }\n\t    });\n\t    /**\n\t\t *  The z coordinate of the listener's up direction. i.e.\n\t\t *  the direction the listener is standing in.\n\t\t *  @type {Number}\n\t\t *  @memberOf Tone.Listener#\n\t\t *  @name upZ\n\t\t */\n\t    Object.defineProperty(Tone.Listener.prototype, 'upZ', {\n\t        set: function (pos) {\n\t            this._orientation[5] = pos;\n\t            this.setOrientation.apply(this, this._orientation);\n\t        },\n\t        get: function () {\n\t            return this._orientation[5];\n\t        }\n\t    });\n\t    /**\n\t\t *  Clean up.\n\t\t *  @returns {Tone.Listener} this\n\t\t */\n\t    Tone.Listener.prototype.dispose = function () {\n\t        this._orientation = null;\n\t        this._position = null;\n\t        return this;\n\t    };\n\t    //SINGLETON SETUP\n\t    var ListenerConstructor = Tone.Listener;\n\t    Tone.Listener = new ListenerConstructor();\n\t    Tone.Context.on('init', function (context) {\n\t        if (context.Listener instanceof ListenerConstructor) {\n\t            //a single listener object\n\t            Tone.Listener = context.Listener;\n\t        } else {\n\t            //make new Listener insides\n\t            Tone.Listener = new ListenerConstructor();\n\t        }\n\t        context.Listener = Tone.Listener;\n\t    });\n\t    //END SINGLETON SETUP\n\t    return Tone.Listener;\n\t});\n\tModule(function (Tone) {\n\t    /**\n\t\t *  shim\n\t\t *  @private\n\t\t */\n\t    if (!window.hasOwnProperty('OfflineAudioContext') && window.hasOwnProperty('webkitOfflineAudioContext')) {\n\t        window.OfflineAudioContext = window.webkitOfflineAudioContext;\n\t    }\n\t    /**\n\t\t *  @class Wrapper around the OfflineAudioContext\n\t\t *  @extends {Tone.Context\n\t\t *  @param  {Number}  channels  The number of channels to render\n\t\t *  @param  {Number}  duration  The duration to render in samples\n\t\t *  @param {Number} sampleRate the sample rate to render at\n\t\t */\n\t    Tone.OfflineContext = function (channels, duration, sampleRate) {\n\t        /**\n\t\t\t *  The offline context\n\t\t\t *  @private\n\t\t\t *  @type  {OfflineAudioContext}\n\t\t\t */\n\t        var offlineContext = new OfflineAudioContext(channels, duration * sampleRate, sampleRate);\n\t        //wrap the methods/members\n\t        Tone.Context.call(this, offlineContext);\n\t        /**\n\t\t\t *  A private reference to the duration\n\t\t\t *  @private\n\t\t\t *  @type  {Number}\n\t\t\t */\n\t        this._duration = duration;\n\t        /**\n\t\t\t *  An artificial clock source\n\t\t\t *  @type  {Number}\n\t\t\t *  @private\n\t\t\t */\n\t        this._currentTime = 0;\n\t        //modify the lookAhead and updateInterval to one block\n\t        this.lookAhead = this.blockTime;\n\t        this.updateInterval = this.blockTime;\n\t    };\n\t    Tone.extend(Tone.OfflineContext, Tone.Context);\n\t    /**\n\t\t *  Override the now method to point to the internal clock time\n\t\t *  @return  {Number}\n\t\t */\n\t    Tone.OfflineContext.prototype.now = function () {\n\t        return this._currentTime;\n\t    };\n\t    /**\n\t\t *  Overwrite this method since the worker is not necessary for the offline context\n\t\t *  @private\n\t\t */\n\t    Tone.OfflineContext.prototype._createWorker = function () {\n\t        //dummy worker that does nothing\n\t        return {\n\t            postMessage: function () {\n\t            }\n\t        };\n\t    };\n\t    /**\n\t\t *  Render the output of the OfflineContext\n\t\t *  @return  {Promise}\n\t\t */\n\t    Tone.OfflineContext.prototype.render = function () {\n\t        while (this._duration - this._currentTime >= 0) {\n\t            //invoke all the callbacks on that time\n\t            this.emit('tick');\n\t            //increment the clock\n\t            this._currentTime += Tone.prototype.blockTime;\n\t        }\n\t        //promise returned is not yet implemented in all browsers\n\t        return new Promise(function (done) {\n\t            this._context.oncomplete = function (e) {\n\t                done(e.renderedBuffer);\n\t            };\n\t            this._context.startRendering();\n\t        }.bind(this));\n\t    };\n\t    return Tone.OfflineContext;\n\t});\n\tModule(function (Tone) {\n\t    /**\n\t\t *  Generate a buffer by rendering all of the Tone.js code within the callback using the OfflineAudioContext. \n\t\t *  The OfflineAudioContext is capable of rendering much faster than real time in many cases. \n\t\t *  The callback function also passes in an offline instance of Tone.Transport which can be used\n\t\t *  to schedule events along the Transport. \n\t\t *  @param  {Function}  callback  All Tone.js nodes which are created and scheduled within this callback are recorded into the output Buffer.\n\t\t *  @param  {Time}  duration     the amount of time to record for.\n\t\t *  @return  {Promise}  The promise which is invoked with the Tone.Buffer of the recorded output.\n\t\t *  @example\n\t\t * //render 2 seconds of the oscillator\n\t\t * Tone.Offline(function(){\n\t\t * \t//only nodes created in this callback will be recorded\n\t\t * \tvar oscillator = new Tone.Oscillator().toMaster().start(0)\n\t\t * \t//schedule their events\n\t\t * }, 2).then(function(buffer){\n\t\t * \t//do something with the output buffer\n\t\t * })\n\t\t * @example\n\t\t * //can also schedule events along the Transport\n\t\t * //using the passed in Offline Transport\n\t\t * Tone.Offline(function(Transport){\n\t\t * \tvar osc = new Tone.Oscillator().toMaster()\n\t\t * \tTransport.schedule(function(time){\n\t\t * \t\tosc.start(time).stop(time + 0.1)\n\t\t * \t}, 1)\n\t\t * \tTransport.start(0.2)\n\t\t * }, 4).then(function(buffer){\n\t\t * \t//do something with the output buffer\n\t\t * })\n\t\t */\n\t    Tone.Offline = function (callback, duration) {\n\t        //set the OfflineAudioContext\n\t        var sampleRate = Tone.context.sampleRate;\n\t        var originalContext = Tone.context;\n\t        var context = new Tone.OfflineContext(2, duration, sampleRate);\n\t        Tone.context = context;\n\t        //invoke the callback/scheduling\n\t        callback(Tone.Transport);\n\t        //process the audio\n\t        var rendered = context.render();\n\t        //return the original AudioContext\n\t        Tone.context = originalContext;\n\t        //return the audio\n\t        return rendered.then(function (buffer) {\n\t            //wrap it in a Tone.Buffer\n\t            return new Tone.Buffer(buffer);\n\t        });\n\t    };\n\t    return Tone.Offline;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t * \t@class  Tone.Effect is the base class for effects. Connect the effect between\n\t\t * \t        the effectSend and effectReturn GainNodes, then control the amount of\n\t\t * \t        effect which goes to the output using the wet control.\n\t\t *\n\t\t *  @constructor\n\t\t *  @extends {Tone}\n\t\t *  @param {NormalRange|Object} [wet] The starting wet value. \n\t\t */\n\t    Tone.Effect = function () {\n\t        this.createInsOuts(1, 1);\n\t        //get all of the defaults\n\t        var options = this.optionsObject(arguments, ['wet'], Tone.Effect.defaults);\n\t        /**\n\t\t\t *  the drywet knob to control the amount of effect\n\t\t\t *  @type {Tone.CrossFade}\n\t\t\t *  @private\n\t\t\t */\n\t        this._dryWet = new Tone.CrossFade(options.wet);\n\t        /**\n\t\t\t *  The wet control is how much of the effected\n\t\t\t *  will pass through to the output. 1 = 100% effected\n\t\t\t *  signal, 0 = 100% dry signal. \n\t\t\t *  @type {NormalRange}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.wet = this._dryWet.fade;\n\t        /**\n\t\t\t *  connect the effectSend to the input of hte effect\n\t\t\t *  @type {Tone.Gain}\n\t\t\t *  @private\n\t\t\t */\n\t        this.effectSend = new Tone.Gain();\n\t        /**\n\t\t\t *  connect the output of the effect to the effectReturn\n\t\t\t *  @type {Tone.Gain}\n\t\t\t *  @private\n\t\t\t */\n\t        this.effectReturn = new Tone.Gain();\n\t        //connections\n\t        this.input.connect(this._dryWet.a);\n\t        this.input.connect(this.effectSend);\n\t        this.effectReturn.connect(this._dryWet.b);\n\t        this._dryWet.connect(this.output);\n\t        this._readOnly(['wet']);\n\t    };\n\t    Tone.extend(Tone.Effect);\n\t    /**\n\t\t *  @static\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.Effect.defaults = { 'wet': 1 };\n\t    /**\n\t\t *  chains the effect in between the effectSend and effectReturn\n\t\t *  @param  {Tone} effect\n\t\t *  @private\n\t\t *  @returns {Tone.Effect} this\n\t\t */\n\t    Tone.Effect.prototype.connectEffect = function (effect) {\n\t        this.effectSend.chain(effect, this.effectReturn);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Clean up. \n\t\t *  @returns {Tone.Effect} this\n\t\t */\n\t    Tone.Effect.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._dryWet.dispose();\n\t        this._dryWet = null;\n\t        this.effectSend.dispose();\n\t        this.effectSend = null;\n\t        this.effectReturn.dispose();\n\t        this.effectReturn = null;\n\t        this._writable(['wet']);\n\t        this.wet = null;\n\t        return this;\n\t    };\n\t    return Tone.Effect;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Tone.AutoFilter is a Tone.Filter with a Tone.LFO connected to the filter cutoff frequency.\n\t\t *         Setting the LFO rate and depth allows for control over the filter modulation rate \n\t\t *         and depth.\n\t\t *\n\t\t *  @constructor\n\t\t *  @extends {Tone.Effect}\n\t\t *  @param {Time|Object} [frequency] The rate of the LFO.\n\t\t *  @param {Frequency=} baseFrequency The lower value of the LFOs oscillation\n\t \t *  @param {Frequency=} octaves The number of octaves above the baseFrequency\n\t\t *  @example\n\t\t * //create an autofilter and start it's LFO\n\t\t * var autoFilter = new Tone.AutoFilter(\"4n\").toMaster().start();\n\t\t * //route an oscillator through the filter and start it\n\t\t * var oscillator = new Tone.Oscillator().connect(autoFilter).start();\n\t\t */\n\t    Tone.AutoFilter = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'frequency',\n\t            'baseFrequency',\n\t            'octaves'\n\t        ], Tone.AutoFilter.defaults);\n\t        Tone.Effect.call(this, options);\n\t        /**\n\t\t\t *  the lfo which drives the filter cutoff\n\t\t\t *  @type {Tone.LFO}\n\t\t\t *  @private\n\t\t\t */\n\t        this._lfo = new Tone.LFO({\n\t            'frequency': options.frequency,\n\t            'amplitude': options.depth\n\t        });\n\t        /**\n\t\t\t * The range of the filter modulating between the min and max frequency. \n\t\t\t * 0 = no modulation. 1 = full modulation.\n\t\t\t * @type {NormalRange}\n\t\t\t * @signal\n\t\t\t */\n\t        this.depth = this._lfo.amplitude;\n\t        /**\n\t\t\t * How fast the filter modulates between min and max. \n\t\t\t * @type {Frequency}\n\t\t\t * @signal\n\t\t\t */\n\t        this.frequency = this._lfo.frequency;\n\t        /**\n\t\t\t *  The filter node\n\t\t\t *  @type {Tone.Filter}\n\t\t\t */\n\t        this.filter = new Tone.Filter(options.filter);\n\t        /**\n\t\t\t *  The octaves placeholder\n\t\t\t *  @type {Positive}\n\t\t\t *  @private\n\t\t\t */\n\t        this._octaves = 0;\n\t        //connections\n\t        this.connectEffect(this.filter);\n\t        this._lfo.connect(this.filter.frequency);\n\t        this.type = options.type;\n\t        this._readOnly([\n\t            'frequency',\n\t            'depth'\n\t        ]);\n\t        this.octaves = options.octaves;\n\t        this.baseFrequency = options.baseFrequency;\n\t    };\n\t    //extend Effect\n\t    Tone.extend(Tone.AutoFilter, Tone.Effect);\n\t    /**\n\t\t *  defaults\n\t\t *  @static\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.AutoFilter.defaults = {\n\t        'frequency': 1,\n\t        'type': 'sine',\n\t        'depth': 1,\n\t        'baseFrequency': 200,\n\t        'octaves': 2.6,\n\t        'filter': {\n\t            'type': 'lowpass',\n\t            'rolloff': -12,\n\t            'Q': 1\n\t        }\n\t    };\n\t    /**\n\t\t * Start the effect.\n\t\t * @param {Time} [time=now] When the LFO will start. \n\t\t * @returns {Tone.AutoFilter} this\n\t\t */\n\t    Tone.AutoFilter.prototype.start = function (time) {\n\t        this._lfo.start(time);\n\t        return this;\n\t    };\n\t    /**\n\t\t * Stop the effect.\n\t\t * @param {Time} [time=now] When the LFO will stop. \n\t\t * @returns {Tone.AutoFilter} this\n\t\t */\n\t    Tone.AutoFilter.prototype.stop = function (time) {\n\t        this._lfo.stop(time);\n\t        return this;\n\t    };\n\t    /**\n\t\t * Sync the filter to the transport.\n\t\t * @param {Time} [delay=0] Delay time before starting the effect after the\n\t\t *                               Transport has started. \n\t\t * @returns {Tone.AutoFilter} this\n\t\t */\n\t    Tone.AutoFilter.prototype.sync = function (delay) {\n\t        this._lfo.sync(delay);\n\t        return this;\n\t    };\n\t    /**\n\t\t * Unsync the filter from the transport.\n\t\t * @returns {Tone.AutoFilter} this\n\t\t */\n\t    Tone.AutoFilter.prototype.unsync = function () {\n\t        this._lfo.unsync();\n\t        return this;\n\t    };\n\t    /**\n\t\t * Type of oscillator attached to the AutoFilter. \n\t\t * Possible values: \"sine\", \"square\", \"triangle\", \"sawtooth\".\n\t\t * @memberOf Tone.AutoFilter#\n\t\t * @type {string}\n\t\t * @name type\n\t\t */\n\t    Object.defineProperty(Tone.AutoFilter.prototype, 'type', {\n\t        get: function () {\n\t            return this._lfo.type;\n\t        },\n\t        set: function (type) {\n\t            this._lfo.type = type;\n\t        }\n\t    });\n\t    /**\n\t\t * The minimum value of the filter's cutoff frequency.\n\t\t * @memberOf Tone.AutoFilter#\n\t\t * @type {Frequency}\n\t\t * @name min\n\t\t */\n\t    Object.defineProperty(Tone.AutoFilter.prototype, 'baseFrequency', {\n\t        get: function () {\n\t            return this._lfo.min;\n\t        },\n\t        set: function (freq) {\n\t            this._lfo.min = this.toFrequency(freq);\n\t            //and set the max\n\t            this.octaves = this._octaves;\n\t        }\n\t    });\n\t    /**\n\t\t * The maximum value of the filter's cutoff frequency. \n\t\t * @memberOf Tone.AutoFilter#\n\t\t * @type {Positive}\n\t\t * @name octaves\n\t\t */\n\t    Object.defineProperty(Tone.AutoFilter.prototype, 'octaves', {\n\t        get: function () {\n\t            return this._octaves;\n\t        },\n\t        set: function (oct) {\n\t            this._octaves = oct;\n\t            this._lfo.max = this.baseFrequency * Math.pow(2, oct);\n\t        }\n\t    });\n\t    /**\n\t\t *  Clean up. \n\t\t *  @returns {Tone.AutoFilter} this\n\t\t */\n\t    Tone.AutoFilter.prototype.dispose = function () {\n\t        Tone.Effect.prototype.dispose.call(this);\n\t        this._lfo.dispose();\n\t        this._lfo = null;\n\t        this.filter.dispose();\n\t        this.filter = null;\n\t        this._writable([\n\t            'frequency',\n\t            'depth'\n\t        ]);\n\t        this.frequency = null;\n\t        this.depth = null;\n\t        return this;\n\t    };\n\t    return Tone.AutoFilter;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Tone.AutoPanner is a Tone.Panner with an LFO connected to the pan amount. \n\t\t *         More on using autopanners [here](https://www.ableton.com/en/blog/autopan-chopper-effect-and-more-liveschool/).\n\t\t *\n\t\t *  @constructor\n\t\t *  @extends {Tone.Effect}\n\t\t *  @param {Frequency|Object} [frequency] Rate of left-right oscillation. \n\t\t *  @example\n\t\t * //create an autopanner and start it's LFO\n\t\t * var autoPanner = new Tone.AutoPanner(\"4n\").toMaster().start();\n\t\t * //route an oscillator through the panner and start it\n\t\t * var oscillator = new Tone.Oscillator().connect(autoPanner).start();\n\t\t */\n\t    Tone.AutoPanner = function () {\n\t        var options = this.optionsObject(arguments, ['frequency'], Tone.AutoPanner.defaults);\n\t        Tone.Effect.call(this, options);\n\t        /**\n\t\t\t *  the lfo which drives the panning\n\t\t\t *  @type {Tone.LFO}\n\t\t\t *  @private\n\t\t\t */\n\t        this._lfo = new Tone.LFO({\n\t            'frequency': options.frequency,\n\t            'amplitude': options.depth,\n\t            'min': -1,\n\t            'max': 1\n\t        });\n\t        /**\n\t\t\t * The amount of panning between left and right. \n\t\t\t * 0 = always center. 1 = full range between left and right. \n\t\t\t * @type {NormalRange}\n\t\t\t * @signal\n\t\t\t */\n\t        this.depth = this._lfo.amplitude;\n\t        /**\n\t\t\t *  the panner node which does the panning\n\t\t\t *  @type {Tone.Panner}\n\t\t\t *  @private\n\t\t\t */\n\t        this._panner = new Tone.Panner();\n\t        /**\n\t\t\t * How fast the panner modulates between left and right. \n\t\t\t * @type {Frequency}\n\t\t\t * @signal\n\t\t\t */\n\t        this.frequency = this._lfo.frequency;\n\t        //connections\n\t        this.connectEffect(this._panner);\n\t        this._lfo.connect(this._panner.pan);\n\t        this.type = options.type;\n\t        this._readOnly([\n\t            'depth',\n\t            'frequency'\n\t        ]);\n\t    };\n\t    //extend Effect\n\t    Tone.extend(Tone.AutoPanner, Tone.Effect);\n\t    /**\n\t\t *  defaults\n\t\t *  @static\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.AutoPanner.defaults = {\n\t        'frequency': 1,\n\t        'type': 'sine',\n\t        'depth': 1\n\t    };\n\t    /**\n\t\t * Start the effect.\n\t\t * @param {Time} [time=now] When the LFO will start. \n\t\t * @returns {Tone.AutoPanner} this\n\t\t */\n\t    Tone.AutoPanner.prototype.start = function (time) {\n\t        this._lfo.start(time);\n\t        return this;\n\t    };\n\t    /**\n\t\t * Stop the effect.\n\t\t * @param {Time} [time=now] When the LFO will stop. \n\t\t * @returns {Tone.AutoPanner} this\n\t\t */\n\t    Tone.AutoPanner.prototype.stop = function (time) {\n\t        this._lfo.stop(time);\n\t        return this;\n\t    };\n\t    /**\n\t\t * Sync the panner to the transport.\n\t\t * @param {Time} [delay=0] Delay time before starting the effect after the\n\t\t *                               Transport has started. \n\t\t * @returns {Tone.AutoPanner} this\n\t\t */\n\t    Tone.AutoPanner.prototype.sync = function (delay) {\n\t        this._lfo.sync(delay);\n\t        return this;\n\t    };\n\t    /**\n\t\t * Unsync the panner from the transport\n\t\t * @returns {Tone.AutoPanner} this\n\t\t */\n\t    Tone.AutoPanner.prototype.unsync = function () {\n\t        this._lfo.unsync();\n\t        return this;\n\t    };\n\t    /**\n\t\t * Type of oscillator attached to the AutoFilter. \n\t\t * Possible values: \"sine\", \"square\", \"triangle\", \"sawtooth\".\n\t\t * @memberOf Tone.AutoFilter#\n\t\t * @type {string}\n\t\t * @name type\n\t\t */\n\t    Object.defineProperty(Tone.AutoPanner.prototype, 'type', {\n\t        get: function () {\n\t            return this._lfo.type;\n\t        },\n\t        set: function (type) {\n\t            this._lfo.type = type;\n\t        }\n\t    });\n\t    /**\n\t\t *  clean up\n\t\t *  @returns {Tone.AutoPanner} this\n\t\t */\n\t    Tone.AutoPanner.prototype.dispose = function () {\n\t        Tone.Effect.prototype.dispose.call(this);\n\t        this._lfo.dispose();\n\t        this._lfo = null;\n\t        this._panner.dispose();\n\t        this._panner = null;\n\t        this._writable([\n\t            'depth',\n\t            'frequency'\n\t        ]);\n\t        this.frequency = null;\n\t        this.depth = null;\n\t        return this;\n\t    };\n\t    return Tone.AutoPanner;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  Tone.AutoWah connects a Tone.Follower to a bandpass filter (Tone.Filter).\n\t\t *          The frequency of the filter is adjusted proportionally to the \n\t\t *          incoming signal's amplitude. Inspiration from [Tuna.js](https://github.com/Dinahmoe/tuna).\n\t\t *\n\t\t *  @constructor\n\t\t *  @extends {Tone.Effect}\n\t\t *  @param {Frequency|Object} [baseFrequency] The frequency the filter is set \n\t\t *                                            to at the low point of the wah\n\t\t *  @param {Positive} [octaves] The number of octaves above the baseFrequency\n\t\t *                                the filter will sweep to when fully open\n\t\t *  @param {Decibels} [sensitivity] The decibel threshold sensitivity for \n\t\t *                                   the incoming signal. Normal range of -40 to 0. \n\t\t *  @example\n\t\t * var autoWah = new Tone.AutoWah(50, 6, -30).toMaster();\n\t\t * //initialize the synth and connect to autowah\n\t\t * var synth = new Synth.connect(autoWah);\n\t\t * //Q value influences the effect of the wah - default is 2\n\t\t * autoWah.Q.value = 6;\n\t\t * //more audible on higher notes\n\t\t * synth.triggerAttackRelease(\"C4\", \"8n\")\n\t\t */\n\t    Tone.AutoWah = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'baseFrequency',\n\t            'octaves',\n\t            'sensitivity'\n\t        ], Tone.AutoWah.defaults);\n\t        Tone.Effect.call(this, options);\n\t        /**\n\t\t\t *  The envelope follower. Set the attack/release\n\t\t\t *  timing to adjust how the envelope is followed. \n\t\t\t *  @type {Tone.Follower}\n\t\t\t *  @private\n\t\t\t */\n\t        this.follower = new Tone.Follower(options.follower);\n\t        /**\n\t\t\t *  scales the follower value to the frequency domain\n\t\t\t *  @type {Tone}\n\t\t\t *  @private\n\t\t\t */\n\t        this._sweepRange = new Tone.ScaleExp(0, 1, 0.5);\n\t        /**\n\t\t\t *  @type {number}\n\t\t\t *  @private\n\t\t\t */\n\t        this._baseFrequency = options.baseFrequency;\n\t        /**\n\t\t\t *  @type {number}\n\t\t\t *  @private\n\t\t\t */\n\t        this._octaves = options.octaves;\n\t        /**\n\t\t\t *  the input gain to adjust the sensitivity\n\t\t\t *  @type {Tone.Gain}\n\t\t\t *  @private\n\t\t\t */\n\t        this._inputBoost = new Tone.Gain();\n\t        /**\n\t\t\t *  @type {BiquadFilterNode}\n\t\t\t *  @private\n\t\t\t */\n\t        this._bandpass = new Tone.Filter({\n\t            'rolloff': -48,\n\t            'frequency': 0,\n\t            'Q': options.Q\n\t        });\n\t        /**\n\t\t\t *  @type {Tone.Filter}\n\t\t\t *  @private\n\t\t\t */\n\t        this._peaking = new Tone.Filter(0, 'peaking');\n\t        this._peaking.gain.value = options.gain;\n\t        /**\n\t\t\t * The gain of the filter.\n\t\t\t * @type {Number}\n\t\t\t * @signal\n\t\t\t */\n\t        this.gain = this._peaking.gain;\n\t        /**\n\t\t\t * The quality of the filter.\n\t\t\t * @type {Positive}\n\t\t\t * @signal\n\t\t\t */\n\t        this.Q = this._bandpass.Q;\n\t        //the control signal path\n\t        this.effectSend.chain(this._inputBoost, this.follower, this._sweepRange);\n\t        this._sweepRange.connect(this._bandpass.frequency);\n\t        this._sweepRange.connect(this._peaking.frequency);\n\t        //the filtered path\n\t        this.effectSend.chain(this._bandpass, this._peaking, this.effectReturn);\n\t        //set the initial value\n\t        this._setSweepRange();\n\t        this.sensitivity = options.sensitivity;\n\t        this._readOnly([\n\t            'gain',\n\t            'Q'\n\t        ]);\n\t    };\n\t    Tone.extend(Tone.AutoWah, Tone.Effect);\n\t    /**\n\t\t *  @static\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.AutoWah.defaults = {\n\t        'baseFrequency': 100,\n\t        'octaves': 6,\n\t        'sensitivity': 0,\n\t        'Q': 2,\n\t        'gain': 2,\n\t        'follower': {\n\t            'attack': 0.3,\n\t            'release': 0.5\n\t        }\n\t    };\n\t    /**\n\t\t * The number of octaves that the filter will sweep above the \n\t\t * baseFrequency. \n\t\t * @memberOf Tone.AutoWah#\n\t\t * @type {Number}\n\t\t * @name octaves\n\t\t */\n\t    Object.defineProperty(Tone.AutoWah.prototype, 'octaves', {\n\t        get: function () {\n\t            return this._octaves;\n\t        },\n\t        set: function (octaves) {\n\t            this._octaves = octaves;\n\t            this._setSweepRange();\n\t        }\n\t    });\n\t    /**\n\t\t * The base frequency from which the sweep will start from.\n\t\t * @memberOf Tone.AutoWah#\n\t\t * @type {Frequency}\n\t\t * @name baseFrequency\n\t\t */\n\t    Object.defineProperty(Tone.AutoWah.prototype, 'baseFrequency', {\n\t        get: function () {\n\t            return this._baseFrequency;\n\t        },\n\t        set: function (baseFreq) {\n\t            this._baseFrequency = baseFreq;\n\t            this._setSweepRange();\n\t        }\n\t    });\n\t    /**\n\t\t * The sensitivity to control how responsive to the input signal the filter is. \n\t\t * @memberOf Tone.AutoWah#\n\t\t * @type {Decibels}\n\t\t * @name sensitivity\n\t\t */\n\t    Object.defineProperty(Tone.AutoWah.prototype, 'sensitivity', {\n\t        get: function () {\n\t            return this.gainToDb(1 / this._inputBoost.gain.value);\n\t        },\n\t        set: function (sensitivy) {\n\t            this._inputBoost.gain.value = 1 / this.dbToGain(sensitivy);\n\t        }\n\t    });\n\t    /**\n\t\t *  sets the sweep range of the scaler\n\t\t *  @private\n\t\t */\n\t    Tone.AutoWah.prototype._setSweepRange = function () {\n\t        this._sweepRange.min = this._baseFrequency;\n\t        this._sweepRange.max = Math.min(this._baseFrequency * Math.pow(2, this._octaves), this.context.sampleRate / 2);\n\t    };\n\t    /**\n\t\t *  Clean up.\n\t\t *  @returns {Tone.AutoWah} this\n\t\t */\n\t    Tone.AutoWah.prototype.dispose = function () {\n\t        Tone.Effect.prototype.dispose.call(this);\n\t        this.follower.dispose();\n\t        this.follower = null;\n\t        this._sweepRange.dispose();\n\t        this._sweepRange = null;\n\t        this._bandpass.dispose();\n\t        this._bandpass = null;\n\t        this._peaking.dispose();\n\t        this._peaking = null;\n\t        this._inputBoost.dispose();\n\t        this._inputBoost = null;\n\t        this._writable([\n\t            'gain',\n\t            'Q'\n\t        ]);\n\t        this.gain = null;\n\t        this.Q = null;\n\t        return this;\n\t    };\n\t    return Tone.AutoWah;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Tone.Bitcrusher downsamples the incoming signal to a different bitdepth. \n\t\t *         Lowering the bitdepth of the signal creates distortion. Read more about Bitcrushing\n\t\t *         on [Wikipedia](https://en.wikipedia.org/wiki/Bitcrusher).\n\t\t *\n\t\t *  @constructor\n\t\t *  @extends {Tone.Effect}\n\t\t *  @param {Number} bits The number of bits to downsample the signal. Nominal range\n\t\t *                       of 1 to 8. \n\t\t *  @example\n\t\t * //initialize crusher and route a synth through it\n\t\t * var crusher = new Tone.BitCrusher(4).toMaster();\n\t\t * var synth = new Tone.MonoSynth().connect(crusher);\n\t\t */\n\t    Tone.BitCrusher = function () {\n\t        var options = this.optionsObject(arguments, ['bits'], Tone.BitCrusher.defaults);\n\t        Tone.Effect.call(this, options);\n\t        var invStepSize = 1 / Math.pow(2, options.bits - 1);\n\t        /**\n\t\t\t *  Subtract the input signal and the modulus of the input signal\n\t\t\t *  @type {Tone.Subtract}\n\t\t\t *  @private\n\t\t\t */\n\t        this._subtract = new Tone.Subtract();\n\t        /**\n\t\t\t *  The mod function\n\t\t\t *  @type  {Tone.Modulo}\n\t\t\t *  @private\n\t\t\t */\n\t        this._modulo = new Tone.Modulo(invStepSize);\n\t        /**\n\t\t\t *  keeps track of the bits\n\t\t\t *  @type {number}\n\t\t\t *  @private\n\t\t\t */\n\t        this._bits = options.bits;\n\t        //connect it up\n\t        this.effectSend.fan(this._subtract, this._modulo);\n\t        this._modulo.connect(this._subtract, 0, 1);\n\t        this._subtract.connect(this.effectReturn);\n\t    };\n\t    Tone.extend(Tone.BitCrusher, Tone.Effect);\n\t    /**\n\t\t *  the default values\n\t\t *  @static\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.BitCrusher.defaults = { 'bits': 4 };\n\t    /**\n\t\t * The bit depth of the effect. Nominal range of 1-8. \n\t\t * @memberOf Tone.BitCrusher#\n\t\t * @type {number}\n\t\t * @name bits\n\t\t */\n\t    Object.defineProperty(Tone.BitCrusher.prototype, 'bits', {\n\t        get: function () {\n\t            return this._bits;\n\t        },\n\t        set: function (bits) {\n\t            this._bits = bits;\n\t            var invStepSize = 1 / Math.pow(2, bits - 1);\n\t            this._modulo.value = invStepSize;\n\t        }\n\t    });\n\t    /**\n\t\t *  Clean up. \n\t\t *  @returns {Tone.BitCrusher} this\n\t\t */\n\t    Tone.BitCrusher.prototype.dispose = function () {\n\t        Tone.Effect.prototype.dispose.call(this);\n\t        this._subtract.dispose();\n\t        this._subtract = null;\n\t        this._modulo.dispose();\n\t        this._modulo = null;\n\t        return this;\n\t    };\n\t    return Tone.BitCrusher;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Tone.ChebyShev is a Chebyshev waveshaper, an effect which is good \n\t\t *         for making different types of distortion sounds.\n\t\t *         Note that odd orders sound very different from even ones, \n\t\t *         and order = 1 is no change. \n\t\t *         Read more at [music.columbia.edu](http://music.columbia.edu/cmc/musicandcomputers/chapter4/04_06.php).\n\t\t *\n\t\t *  @extends {Tone.Effect}\n\t\t *  @constructor\n\t\t *  @param {Positive|Object} [order] The order of the chebyshev polynomial. Normal range between 1-100. \n\t\t *  @example\n\t\t * //create a new cheby\n\t\t * var cheby = new Tone.Chebyshev(50);\n\t\t * //create a monosynth connected to our cheby\n\t\t * synth = new Tone.MonoSynth().connect(cheby);\n\t\t */\n\t    Tone.Chebyshev = function () {\n\t        var options = this.optionsObject(arguments, ['order'], Tone.Chebyshev.defaults);\n\t        Tone.Effect.call(this, options);\n\t        /**\n\t\t\t *  @type {WaveShaperNode}\n\t\t\t *  @private\n\t\t\t */\n\t        this._shaper = new Tone.WaveShaper(4096);\n\t        /**\n\t\t\t * holds onto the order of the filter\n\t\t\t * @type {number}\n\t\t\t * @private\n\t\t\t */\n\t        this._order = options.order;\n\t        this.connectEffect(this._shaper);\n\t        this.order = options.order;\n\t        this.oversample = options.oversample;\n\t    };\n\t    Tone.extend(Tone.Chebyshev, Tone.Effect);\n\t    /**\n\t\t *  @static\n\t\t *  @const\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.Chebyshev.defaults = {\n\t        'order': 1,\n\t        'oversample': 'none'\n\t    };\n\t    /**\n\t\t *  get the coefficient for that degree\n\t\t *  @param {number} x the x value\n\t\t *  @param   {number} degree \n\t\t *  @param {Object} memo memoize the computed value. \n\t\t *                       this speeds up computation greatly. \n\t\t *  @return  {number}       the coefficient \n\t\t *  @private\n\t\t */\n\t    Tone.Chebyshev.prototype._getCoefficient = function (x, degree, memo) {\n\t        if (memo.hasOwnProperty(degree)) {\n\t            return memo[degree];\n\t        } else if (degree === 0) {\n\t            memo[degree] = 0;\n\t        } else if (degree === 1) {\n\t            memo[degree] = x;\n\t        } else {\n\t            memo[degree] = 2 * x * this._getCoefficient(x, degree - 1, memo) - this._getCoefficient(x, degree - 2, memo);\n\t        }\n\t        return memo[degree];\n\t    };\n\t    /**\n\t\t * The order of the Chebyshev polynomial which creates\n\t\t * the equation which is applied to the incoming \n\t\t * signal through a Tone.WaveShaper. The equations\n\t\t * are in the form:<br>\n\t\t * order 2: 2x^2 + 1<br>\n\t\t * order 3: 4x^3 + 3x <br>\n\t\t * @memberOf Tone.Chebyshev#\n\t\t * @type {Positive}\n\t\t * @name order\n\t\t */\n\t    Object.defineProperty(Tone.Chebyshev.prototype, 'order', {\n\t        get: function () {\n\t            return this._order;\n\t        },\n\t        set: function (order) {\n\t            this._order = order;\n\t            var curve = new Array(4096);\n\t            var len = curve.length;\n\t            for (var i = 0; i < len; ++i) {\n\t                var x = i * 2 / len - 1;\n\t                if (x === 0) {\n\t                    //should output 0 when input is 0\n\t                    curve[i] = 0;\n\t                } else {\n\t                    curve[i] = this._getCoefficient(x, order, {});\n\t                }\n\t            }\n\t            this._shaper.curve = curve;\n\t        }\n\t    });\n\t    /**\n\t\t * The oversampling of the effect. Can either be \"none\", \"2x\" or \"4x\".\n\t\t * @memberOf Tone.Chebyshev#\n\t\t * @type {string}\n\t\t * @name oversample\n\t\t */\n\t    Object.defineProperty(Tone.Chebyshev.prototype, 'oversample', {\n\t        get: function () {\n\t            return this._shaper.oversample;\n\t        },\n\t        set: function (oversampling) {\n\t            this._shaper.oversample = oversampling;\n\t        }\n\t    });\n\t    /**\n\t\t *  Clean up. \n\t\t *  @returns {Tone.Chebyshev} this\n\t\t */\n\t    Tone.Chebyshev.prototype.dispose = function () {\n\t        Tone.Effect.prototype.dispose.call(this);\n\t        this._shaper.dispose();\n\t        this._shaper = null;\n\t        return this;\n\t    };\n\t    return Tone.Chebyshev;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Base class for Stereo effects. Provides effectSendL/R and effectReturnL/R. \n\t\t *\n\t\t *\t@constructor\n\t\t *\t@extends {Tone.Effect}\n\t\t */\n\t    Tone.StereoEffect = function () {\n\t        this.createInsOuts(1, 1);\n\t        //get the defaults\n\t        var options = this.optionsObject(arguments, ['wet'], Tone.Effect.defaults);\n\t        /**\n\t\t\t *  the drywet knob to control the amount of effect\n\t\t\t *  @type {Tone.CrossFade}\n\t\t\t *  @private\n\t\t\t */\n\t        this._dryWet = new Tone.CrossFade(options.wet);\n\t        /**\n\t\t\t *  The wet control, i.e. how much of the effected\n\t\t\t *  will pass through to the output. \n\t\t\t *  @type {NormalRange}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.wet = this._dryWet.fade;\n\t        /**\n\t\t\t *  then split it\n\t\t\t *  @type {Tone.Split}\n\t\t\t *  @private\n\t\t\t */\n\t        this._split = new Tone.Split();\n\t        /**\n\t\t\t *  the effects send LEFT\n\t\t\t *  @type {GainNode}\n\t\t\t *  @private\n\t\t\t */\n\t        this.effectSendL = this._split.left;\n\t        /**\n\t\t\t *  the effects send RIGHT\n\t\t\t *  @type {GainNode}\n\t\t\t *  @private\n\t\t\t */\n\t        this.effectSendR = this._split.right;\n\t        /**\n\t\t\t *  the stereo effect merger\n\t\t\t *  @type {Tone.Merge}\n\t\t\t *  @private\n\t\t\t */\n\t        this._merge = new Tone.Merge();\n\t        /**\n\t\t\t *  the effect return LEFT\n\t\t\t *  @type {GainNode}\n\t\t\t *  @private\n\t\t\t */\n\t        this.effectReturnL = this._merge.left;\n\t        /**\n\t\t\t *  the effect return RIGHT\n\t\t\t *  @type {GainNode}\n\t\t\t *  @private\n\t\t\t */\n\t        this.effectReturnR = this._merge.right;\n\t        //connections\n\t        this.input.connect(this._split);\n\t        //dry wet connections\n\t        this.input.connect(this._dryWet, 0, 0);\n\t        this._merge.connect(this._dryWet, 0, 1);\n\t        this._dryWet.connect(this.output);\n\t        this._readOnly(['wet']);\n\t    };\n\t    Tone.extend(Tone.StereoEffect, Tone.Effect);\n\t    /**\n\t\t *  Clean up. \n\t\t *  @returns {Tone.StereoEffect} this\n\t\t */\n\t    Tone.StereoEffect.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._dryWet.dispose();\n\t        this._dryWet = null;\n\t        this._split.dispose();\n\t        this._split = null;\n\t        this._merge.dispose();\n\t        this._merge = null;\n\t        this.effectSendL = null;\n\t        this.effectSendR = null;\n\t        this.effectReturnL = null;\n\t        this.effectReturnR = null;\n\t        this._writable(['wet']);\n\t        this.wet = null;\n\t        return this;\n\t    };\n\t    return Tone.StereoEffect;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t * \t@class  Tone.FeedbackEffect provides a loop between an \n\t\t * \t        audio source and its own output. This is a base-class\n\t\t * \t        for feedback effects. \n\t\t *\n\t\t *  @constructor\n\t\t *  @extends {Tone.Effect}\n\t\t *  @param {NormalRange|Object} [feedback] The initial feedback value.\n\t\t */\n\t    Tone.FeedbackEffect = function () {\n\t        var options = this.optionsObject(arguments, ['feedback']);\n\t        options = this.defaultArg(options, Tone.FeedbackEffect.defaults);\n\t        Tone.Effect.call(this, options);\n\t        /**\n\t\t\t *  the gain which controls the feedback\n\t\t\t *  @type {Tone.Gain}\n\t\t\t *  @private\n\t\t\t */\n\t        this._feedbackGain = new Tone.Gain(options.feedback, Tone.Type.NormalRange);\n\t        /**\n\t\t\t *  The amount of signal which is fed back into the effect input. \n\t\t\t *  @type {NormalRange}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.feedback = this._feedbackGain.gain;\n\t        //the feedback loop\n\t        this.effectReturn.chain(this._feedbackGain, this.effectSend);\n\t        this._readOnly(['feedback']);\n\t    };\n\t    Tone.extend(Tone.FeedbackEffect, Tone.Effect);\n\t    /**\n\t\t *  @static\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.FeedbackEffect.defaults = { 'feedback': 0.125 };\n\t    /**\n\t\t *  Clean up. \n\t\t *  @returns {Tone.FeedbackEffect} this\n\t\t */\n\t    Tone.FeedbackEffect.prototype.dispose = function () {\n\t        Tone.Effect.prototype.dispose.call(this);\n\t        this._writable(['feedback']);\n\t        this._feedbackGain.dispose();\n\t        this._feedbackGain = null;\n\t        this.feedback = null;\n\t        return this;\n\t    };\n\t    return Tone.FeedbackEffect;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Just like a stereo feedback effect, but the feedback is routed from left to right\n\t\t *         and right to left instead of on the same channel.\n\t\t *\n\t\t *\t@constructor\n\t\t *\t@extends {Tone.FeedbackEffect}\n\t\t */\n\t    Tone.StereoXFeedbackEffect = function () {\n\t        var options = this.optionsObject(arguments, ['feedback'], Tone.FeedbackEffect.defaults);\n\t        Tone.StereoEffect.call(this, options);\n\t        /**\n\t\t\t *  The amount of feedback from the output\n\t\t\t *  back into the input of the effect (routed\n\t\t\t *  across left and right channels).\n\t\t\t *  @type {NormalRange}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.feedback = new Tone.Signal(options.feedback, Tone.Type.NormalRange);\n\t        /**\n\t\t\t *  the left side feeback\n\t\t\t *  @type {Tone.Gain}\n\t\t\t *  @private\n\t\t\t */\n\t        this._feedbackLR = new Tone.Gain();\n\t        /**\n\t\t\t *  the right side feeback\n\t\t\t *  @type {Tone.Gain}\n\t\t\t *  @private\n\t\t\t */\n\t        this._feedbackRL = new Tone.Gain();\n\t        //connect it up\n\t        this.effectReturnL.chain(this._feedbackLR, this.effectSendR);\n\t        this.effectReturnR.chain(this._feedbackRL, this.effectSendL);\n\t        this.feedback.fan(this._feedbackLR.gain, this._feedbackRL.gain);\n\t        this._readOnly(['feedback']);\n\t    };\n\t    Tone.extend(Tone.StereoXFeedbackEffect, Tone.FeedbackEffect);\n\t    /**\n\t\t *  clean up\n\t\t *  @returns {Tone.StereoXFeedbackEffect} this\n\t\t */\n\t    Tone.StereoXFeedbackEffect.prototype.dispose = function () {\n\t        Tone.StereoEffect.prototype.dispose.call(this);\n\t        this._writable(['feedback']);\n\t        this.feedback.dispose();\n\t        this.feedback = null;\n\t        this._feedbackLR.dispose();\n\t        this._feedbackLR = null;\n\t        this._feedbackRL.dispose();\n\t        this._feedbackRL = null;\n\t        return this;\n\t    };\n\t    return Tone.StereoXFeedbackEffect;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Tone.Chorus is a stereo chorus effect with feedback composed of \n\t\t *         a left and right delay with a Tone.LFO applied to the delayTime of each channel. \n\t\t *         Inspiration from [Tuna.js](https://github.com/Dinahmoe/tuna/blob/master/tuna.js).\n\t\t *         Read more on the chorus effect on [SoundOnSound](http://www.soundonsound.com/sos/jun04/articles/synthsecrets.htm).\n\t\t *\n\t\t *\t@constructor\n\t\t *\t@extends {Tone.StereoXFeedbackEffect}\n\t\t *\t@param {Frequency|Object} [frequency] The frequency of the LFO.\n\t\t *\t@param {Milliseconds} [delayTime] The delay of the chorus effect in ms. \n\t\t *\t@param {NormalRange} [depth] The depth of the chorus.\n\t\t *\t@example\n\t\t * var chorus = new Tone.Chorus(4, 2.5, 0.5);\n\t\t * var synth = new Tone.PolySynth(4, Tone.MonoSynth).connect(chorus);\n\t\t * synth.triggerAttackRelease([\"C3\",\"E3\",\"G3\"], \"8n\");\n\t\t */\n\t    Tone.Chorus = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'frequency',\n\t            'delayTime',\n\t            'depth'\n\t        ], Tone.Chorus.defaults);\n\t        Tone.StereoXFeedbackEffect.call(this, options);\n\t        /**\n\t\t\t *  the depth of the chorus\n\t\t\t *  @type {number}\n\t\t\t *  @private\n\t\t\t */\n\t        this._depth = options.depth;\n\t        /**\n\t\t\t *  the delayTime\n\t\t\t *  @type {number}\n\t\t\t *  @private\n\t\t\t */\n\t        this._delayTime = options.delayTime / 1000;\n\t        /**\n\t\t\t *  the lfo which controls the delayTime\n\t\t\t *  @type {Tone.LFO}\n\t\t\t *  @private\n\t\t\t */\n\t        this._lfoL = new Tone.LFO({\n\t            'frequency': options.frequency,\n\t            'min': 0,\n\t            'max': 1\n\t        });\n\t        /**\n\t\t\t *  another LFO for the right side with a 180 degree phase diff\n\t\t\t *  @type {Tone.LFO}\n\t\t\t *  @private\n\t\t\t */\n\t        this._lfoR = new Tone.LFO({\n\t            'frequency': options.frequency,\n\t            'min': 0,\n\t            'max': 1,\n\t            'phase': 180\n\t        });\n\t        /**\n\t\t\t *  delay for left\n\t\t\t *  @type {Tone.Delay}\n\t\t\t *  @private\n\t\t\t */\n\t        this._delayNodeL = new Tone.Delay();\n\t        /**\n\t\t\t *  delay for right\n\t\t\t *  @type {Tone.Delay}\n\t\t\t *  @private\n\t\t\t */\n\t        this._delayNodeR = new Tone.Delay();\n\t        /**\n\t\t\t * The frequency of the LFO which modulates the delayTime. \n\t\t\t * @type {Frequency}\n\t\t\t * @signal\n\t\t\t */\n\t        this.frequency = this._lfoL.frequency;\n\t        //connections\n\t        this.effectSendL.chain(this._delayNodeL, this.effectReturnL);\n\t        this.effectSendR.chain(this._delayNodeR, this.effectReturnR);\n\t        //and pass through to make the detune apparent\n\t        this.effectSendL.connect(this.effectReturnL);\n\t        this.effectSendR.connect(this.effectReturnR);\n\t        //lfo setup\n\t        this._lfoL.connect(this._delayNodeL.delayTime);\n\t        this._lfoR.connect(this._delayNodeR.delayTime);\n\t        //start the lfo\n\t        this._lfoL.start();\n\t        this._lfoR.start();\n\t        //have one LFO frequency control the other\n\t        this._lfoL.frequency.connect(this._lfoR.frequency);\n\t        //set the initial values\n\t        this.depth = this._depth;\n\t        this.frequency.value = options.frequency;\n\t        this.type = options.type;\n\t        this._readOnly(['frequency']);\n\t        this.spread = options.spread;\n\t    };\n\t    Tone.extend(Tone.Chorus, Tone.StereoXFeedbackEffect);\n\t    /**\n\t\t *  @static\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.Chorus.defaults = {\n\t        'frequency': 1.5,\n\t        'delayTime': 3.5,\n\t        'depth': 0.7,\n\t        'feedback': 0.1,\n\t        'type': 'sine',\n\t        'spread': 180\n\t    };\n\t    /**\n\t\t * The depth of the effect. A depth of 1 makes the delayTime\n\t\t * modulate between 0 and 2*delayTime (centered around the delayTime). \n\t\t * @memberOf Tone.Chorus#\n\t\t * @type {NormalRange}\n\t\t * @name depth\n\t\t */\n\t    Object.defineProperty(Tone.Chorus.prototype, 'depth', {\n\t        get: function () {\n\t            return this._depth;\n\t        },\n\t        set: function (depth) {\n\t            this._depth = depth;\n\t            var deviation = this._delayTime * depth;\n\t            this._lfoL.min = Math.max(this._delayTime - deviation, 0);\n\t            this._lfoL.max = this._delayTime + deviation;\n\t            this._lfoR.min = Math.max(this._delayTime - deviation, 0);\n\t            this._lfoR.max = this._delayTime + deviation;\n\t        }\n\t    });\n\t    /**\n\t\t * The delayTime in milliseconds of the chorus. A larger delayTime\n\t\t * will give a more pronounced effect. Nominal range a delayTime\n\t\t * is between 2 and 20ms. \n\t\t * @memberOf Tone.Chorus#\n\t\t * @type {Milliseconds}\n\t\t * @name delayTime\n\t\t */\n\t    Object.defineProperty(Tone.Chorus.prototype, 'delayTime', {\n\t        get: function () {\n\t            return this._delayTime * 1000;\n\t        },\n\t        set: function (delayTime) {\n\t            this._delayTime = delayTime / 1000;\n\t            this.depth = this._depth;\n\t        }\n\t    });\n\t    /**\n\t\t * The oscillator type of the LFO. \n\t\t * @memberOf Tone.Chorus#\n\t\t * @type {string}\n\t\t * @name type\n\t\t */\n\t    Object.defineProperty(Tone.Chorus.prototype, 'type', {\n\t        get: function () {\n\t            return this._lfoL.type;\n\t        },\n\t        set: function (type) {\n\t            this._lfoL.type = type;\n\t            this._lfoR.type = type;\n\t        }\n\t    });\n\t    /** \n\t\t * Amount of stereo spread. When set to 0, both LFO's will be panned centrally.\n\t\t * When set to 180, LFO's will be panned hard left and right respectively.\n\t\t * @memberOf Tone.Chorus#\n\t\t * @type {Degrees}\n\t\t * @name spread\n\t\t */\n\t    Object.defineProperty(Tone.Chorus.prototype, 'spread', {\n\t        get: function () {\n\t            return this._lfoR.phase - this._lfoL.phase;    //180\n\t        },\n\t        set: function (spread) {\n\t            this._lfoL.phase = 90 - spread / 2;\n\t            this._lfoR.phase = spread / 2 + 90;\n\t        }\n\t    });\n\t    /**\n\t\t *  Clean up. \n\t\t *  @returns {Tone.Chorus} this\n\t\t */\n\t    Tone.Chorus.prototype.dispose = function () {\n\t        Tone.StereoXFeedbackEffect.prototype.dispose.call(this);\n\t        this._lfoL.dispose();\n\t        this._lfoL = null;\n\t        this._lfoR.dispose();\n\t        this._lfoR = null;\n\t        this._delayNodeL.dispose();\n\t        this._delayNodeL = null;\n\t        this._delayNodeR.dispose();\n\t        this._delayNodeR = null;\n\t        this._writable('frequency');\n\t        this.frequency = null;\n\t        return this;\n\t    };\n\t    return Tone.Chorus;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  Tone.Convolver is a wrapper around the Native Web Audio \n\t\t *          [ConvolverNode](http://webaudio.github.io/web-audio-api/#the-convolvernode-interface).\n\t\t *          Convolution is useful for reverb and filter emulation. Read more about convolution reverb on\n\t\t *          [Wikipedia](https://en.wikipedia.org/wiki/Convolution_reverb).\n\t\t *  \n\t\t *  @constructor\n\t\t *  @extends {Tone.Effect}\n\t\t *  @param {string|Tone.Buffer|Object} [url] The URL of the impulse response or the Tone.Buffer\n\t\t *                                           contianing the impulse response. \n\t\t *  @param {Function} onload The callback to invoke when the url is loaded.\n\t\t *  @example\n\t\t * //initializing the convolver with an impulse response\n\t\t * var convolver = new Tone.Convolver(\"./path/to/ir.wav\").toMaster();\n\t\t */\n\t    Tone.Convolver = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'url',\n\t            'onload'\n\t        ], Tone.Convolver.defaults);\n\t        Tone.Effect.call(this, options);\n\t        /**\n\t\t\t *  convolver node\n\t\t\t *  @type {ConvolverNode}\n\t\t\t *  @private\n\t\t\t */\n\t        this._convolver = this.context.createConvolver();\n\t        /**\n\t\t\t *  the convolution buffer\n\t\t\t *  @type {Tone.Buffer}\n\t\t\t *  @private\n\t\t\t */\n\t        this._buffer = new Tone.Buffer();\n\t        if (this.isString(options.url)) {\n\t            this._buffer.load(options.url, function (buffer) {\n\t                this.buffer = buffer;\n\t                options.onload();\n\t            }.bind(this));\n\t        } else if (options.url) {\n\t            this.buffer = options.url;\n\t            options.onload();\n\t        }\n\t        this.connectEffect(this._convolver);\n\t    };\n\t    Tone.extend(Tone.Convolver, Tone.Effect);\n\t    /**\n\t\t *  @static\n\t\t *  @const\n\t\t *  @type  {Object}\n\t\t */\n\t    Tone.Convolver.defaults = { 'onload': Tone.noOp };\n\t    /**\n\t\t *  The convolver's buffer\n\t\t *  @memberOf Tone.Convolver#\n\t\t *  @type {AudioBuffer}\n\t\t *  @name buffer\n\t\t */\n\t    Object.defineProperty(Tone.Convolver.prototype, 'buffer', {\n\t        get: function () {\n\t            return this._buffer.get();\n\t        },\n\t        set: function (buffer) {\n\t            this._buffer.set(buffer);\n\t            this._convolver.buffer = this._buffer.get();\n\t        }\n\t    });\n\t    /**\n\t\t *  Load an impulse response url as an audio buffer.\n\t\t *  Decodes the audio asynchronously and invokes\n\t\t *  the callback once the audio buffer loads.\n\t\t *  @param {string} url The url of the buffer to load.\n\t\t *                      filetype support depends on the\n\t\t *                      browser.\n\t\t *  @param  {function=} callback\n\t\t *  @returns {Promise}\n\t\t */\n\t    Tone.Convolver.prototype.load = function (url, callback) {\n\t        return this._buffer.load(url, function (buff) {\n\t            this.buffer = buff;\n\t            if (callback) {\n\t                callback();\n\t            }\n\t        }.bind(this));\n\t    };\n\t    /**\n\t\t *  Clean up. \n\t\t *  @returns {Tone.Convolver} this\n\t\t */\n\t    Tone.Convolver.prototype.dispose = function () {\n\t        Tone.Effect.prototype.dispose.call(this);\n\t        this._convolver.disconnect();\n\t        this._convolver = null;\n\t        this._buffer.dispose();\n\t        this._buffer = null;\n\t        return this;\n\t    };\n\t    return Tone.Convolver;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Tone.Distortion is a simple distortion effect using Tone.WaveShaper.\n\t\t *         Algorithm from [a stackoverflow answer](http://stackoverflow.com/a/22313408).\n\t\t *\n\t\t *  @extends {Tone.Effect}\n\t\t *  @constructor\n\t\t *  @param {Number|Object} [distortion] The amount of distortion (nominal range of 0-1)\n\t\t *  @example\n\t\t * var dist = new Tone.Distortion(0.8).toMaster();\n\t\t * var fm = new Tone.SimpleFM().connect(dist);\n\t\t * //this sounds good on bass notes\n\t\t * fm.triggerAttackRelease(\"A1\", \"8n\");\n\t\t */\n\t    Tone.Distortion = function () {\n\t        var options = this.optionsObject(arguments, ['distortion'], Tone.Distortion.defaults);\n\t        Tone.Effect.call(this, options);\n\t        /**\n\t\t\t *  @type {Tone.WaveShaper}\n\t\t\t *  @private\n\t\t\t */\n\t        this._shaper = new Tone.WaveShaper(4096);\n\t        /**\n\t\t\t * holds the distortion amount\n\t\t\t * @type {number}\n\t\t\t * @private\n\t\t\t */\n\t        this._distortion = options.distortion;\n\t        this.connectEffect(this._shaper);\n\t        this.distortion = options.distortion;\n\t        this.oversample = options.oversample;\n\t    };\n\t    Tone.extend(Tone.Distortion, Tone.Effect);\n\t    /**\n\t\t *  @static\n\t\t *  @const\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.Distortion.defaults = {\n\t        'distortion': 0.4,\n\t        'oversample': 'none'\n\t    };\n\t    /**\n\t\t * The amount of distortion.\n\t\t * @memberOf Tone.Distortion#\n\t\t * @type {NormalRange}\n\t\t * @name distortion\n\t\t */\n\t    Object.defineProperty(Tone.Distortion.prototype, 'distortion', {\n\t        get: function () {\n\t            return this._distortion;\n\t        },\n\t        set: function (amount) {\n\t            this._distortion = amount;\n\t            var k = amount * 100;\n\t            var deg = Math.PI / 180;\n\t            this._shaper.setMap(function (x) {\n\t                if (Math.abs(x) < 0.001) {\n\t                    //should output 0 when input is 0\n\t                    return 0;\n\t                } else {\n\t                    return (3 + k) * x * 20 * deg / (Math.PI + k * Math.abs(x));\n\t                }\n\t            });\n\t        }\n\t    });\n\t    /**\n\t\t * The oversampling of the effect. Can either be \"none\", \"2x\" or \"4x\".\n\t\t * @memberOf Tone.Distortion#\n\t\t * @type {string}\n\t\t * @name oversample\n\t\t */\n\t    Object.defineProperty(Tone.Distortion.prototype, 'oversample', {\n\t        get: function () {\n\t            return this._shaper.oversample;\n\t        },\n\t        set: function (oversampling) {\n\t            this._shaper.oversample = oversampling;\n\t        }\n\t    });\n\t    /**\n\t\t *  Clean up. \n\t\t *  @returns {Tone.Distortion} this\n\t\t */\n\t    Tone.Distortion.prototype.dispose = function () {\n\t        Tone.Effect.prototype.dispose.call(this);\n\t        this._shaper.dispose();\n\t        this._shaper = null;\n\t        return this;\n\t    };\n\t    return Tone.Distortion;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  Tone.FeedbackDelay is a DelayNode in which part of output\n\t\t *          signal is fed back into the delay. \n\t\t *\n\t\t *  @constructor\n\t\t *  @extends {Tone.FeedbackEffect}\n\t\t *  @param {Time|Object} [delayTime] The delay applied to the incoming signal. \n\t\t *  @param {NormalRange=} feedback The amount of the effected signal which \n\t\t *                            is fed back through the delay.\n\t\t *  @example\n\t\t * var feedbackDelay = new Tone.FeedbackDelay(\"8n\", 0.5).toMaster();\n\t\t * var tom = new Tone.DrumSynth({\n\t\t * \t\"octaves\" : 4,\n\t\t * \t\"pitchDecay\" : 0.1\n\t\t * }).connect(feedbackDelay);\n\t\t * tom.triggerAttackRelease(\"A2\",\"32n\");\n\t\t */\n\t    Tone.FeedbackDelay = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'delayTime',\n\t            'feedback'\n\t        ], Tone.FeedbackDelay.defaults);\n\t        Tone.FeedbackEffect.call(this, options);\n\t        /**\n\t\t\t *  the delay node\n\t\t\t *  @type {Tone.Delay}\n\t\t\t *  @private\n\t\t\t */\n\t        this._delayNode = new Tone.Delay(options.delayTime);\n\t        /**\n\t\t\t *  The delayTime of the DelayNode. \n\t\t\t *  @type {Time}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.delayTime = this._delayNode.delayTime;\n\t        // connect it up\n\t        this.connectEffect(this._delayNode);\n\t        this._readOnly(['delayTime']);\n\t    };\n\t    Tone.extend(Tone.FeedbackDelay, Tone.FeedbackEffect);\n\t    /**\n\t\t *  The default values. \n\t\t *  @const\n\t\t *  @static\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.FeedbackDelay.defaults = { 'delayTime': 0.25 };\n\t    /**\n\t\t *  clean up\n\t\t *  @returns {Tone.FeedbackDelay} this\n\t\t */\n\t    Tone.FeedbackDelay.prototype.dispose = function () {\n\t        Tone.FeedbackEffect.prototype.dispose.call(this);\n\t        this._delayNode.dispose();\n\t        this._delayNode = null;\n\t        this._writable(['delayTime']);\n\t        this.delayTime = null;\n\t        return this;\n\t    };\n\t    return Tone.FeedbackDelay;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  an array of comb filter delay values from Freeverb implementation\n\t\t *  @static\n\t\t *  @private\n\t\t *  @type {Array}\n\t\t */\n\t    var combFilterTunings = [\n\t        1557 / 44100,\n\t        1617 / 44100,\n\t        1491 / 44100,\n\t        1422 / 44100,\n\t        1277 / 44100,\n\t        1356 / 44100,\n\t        1188 / 44100,\n\t        1116 / 44100\n\t    ];\n\t    /**\n\t\t *  an array of allpass filter frequency values from Freeverb implementation\n\t\t *  @private\n\t\t *  @static\n\t\t *  @type {Array}\n\t\t */\n\t    var allpassFilterFrequencies = [\n\t        225,\n\t        556,\n\t        441,\n\t        341\n\t    ];\n\t    /**\n\t\t *  @class Tone.Freeverb is a reverb based on [Freeverb](https://ccrma.stanford.edu/~jos/pasp/Freeverb.html).\n\t\t *         Read more on reverb on [SoundOnSound](http://www.soundonsound.com/sos/may00/articles/reverb.htm).\n\t\t *\n\t\t *  @extends {Tone.Effect}\n\t\t *  @constructor\n\t\t *  @param {NormalRange|Object} [roomSize] Correlated to the decay time. \n\t\t *  @param {Frequency} [dampening] The cutoff frequency of a lowpass filter as part \n\t\t *                                 of the reverb. \n\t\t *  @example\n\t\t * var freeverb = new Tone.Freeverb().toMaster();\n\t\t * freeverb.dampening.value = 1000;\n\t\t * //routing synth through the reverb\n\t\t * var synth = new Tone.AMSynth().connect(freeverb);\n\t\t */\n\t    Tone.Freeverb = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'roomSize',\n\t            'dampening'\n\t        ], Tone.Freeverb.defaults);\n\t        Tone.StereoEffect.call(this, options);\n\t        /**\n\t\t\t *  The roomSize value between. A larger roomSize\n\t\t\t *  will result in a longer decay. \n\t\t\t *  @type {NormalRange}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.roomSize = new Tone.Signal(options.roomSize, Tone.Type.NormalRange);\n\t        /**\n\t\t\t *  The amount of dampening of the reverberant signal. \n\t\t\t *  @type {Frequency}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.dampening = new Tone.Signal(options.dampening, Tone.Type.Frequency);\n\t        /**\n\t\t\t *  the comb filters\n\t\t\t *  @type {Array}\n\t\t\t *  @private\n\t\t\t */\n\t        this._combFilters = [];\n\t        /**\n\t\t\t *  the allpass filters on the left\n\t\t\t *  @type {Array}\n\t\t\t *  @private\n\t\t\t */\n\t        this._allpassFiltersL = [];\n\t        /**\n\t\t\t *  the allpass filters on the right\n\t\t\t *  @type {Array}\n\t\t\t *  @private\n\t\t\t */\n\t        this._allpassFiltersR = [];\n\t        //make the allpass filters on the right\n\t        for (var l = 0; l < allpassFilterFrequencies.length; l++) {\n\t            var allpassL = this.context.createBiquadFilter();\n\t            allpassL.type = 'allpass';\n\t            allpassL.frequency.value = allpassFilterFrequencies[l];\n\t            this._allpassFiltersL.push(allpassL);\n\t        }\n\t        //make the allpass filters on the left\n\t        for (var r = 0; r < allpassFilterFrequencies.length; r++) {\n\t            var allpassR = this.context.createBiquadFilter();\n\t            allpassR.type = 'allpass';\n\t            allpassR.frequency.value = allpassFilterFrequencies[r];\n\t            this._allpassFiltersR.push(allpassR);\n\t        }\n\t        //make the comb filters\n\t        for (var c = 0; c < combFilterTunings.length; c++) {\n\t            var lfpf = new Tone.LowpassCombFilter(combFilterTunings[c]);\n\t            if (c < combFilterTunings.length / 2) {\n\t                this.effectSendL.chain(lfpf, this._allpassFiltersL[0]);\n\t            } else {\n\t                this.effectSendR.chain(lfpf, this._allpassFiltersR[0]);\n\t            }\n\t            this.roomSize.connect(lfpf.resonance);\n\t            this.dampening.connect(lfpf.dampening);\n\t            this._combFilters.push(lfpf);\n\t        }\n\t        //chain the allpass filters togetehr\n\t        this.connectSeries.apply(this, this._allpassFiltersL);\n\t        this.connectSeries.apply(this, this._allpassFiltersR);\n\t        this._allpassFiltersL[this._allpassFiltersL.length - 1].connect(this.effectReturnL);\n\t        this._allpassFiltersR[this._allpassFiltersR.length - 1].connect(this.effectReturnR);\n\t        this._readOnly([\n\t            'roomSize',\n\t            'dampening'\n\t        ]);\n\t    };\n\t    Tone.extend(Tone.Freeverb, Tone.StereoEffect);\n\t    /**\n\t\t *  @static\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.Freeverb.defaults = {\n\t        'roomSize': 0.7,\n\t        'dampening': 3000\n\t    };\n\t    /**\n\t\t *  Clean up. \n\t\t *  @returns {Tone.Freeverb} this\n\t\t */\n\t    Tone.Freeverb.prototype.dispose = function () {\n\t        Tone.StereoEffect.prototype.dispose.call(this);\n\t        for (var al = 0; al < this._allpassFiltersL.length; al++) {\n\t            this._allpassFiltersL[al].disconnect();\n\t            this._allpassFiltersL[al] = null;\n\t        }\n\t        this._allpassFiltersL = null;\n\t        for (var ar = 0; ar < this._allpassFiltersR.length; ar++) {\n\t            this._allpassFiltersR[ar].disconnect();\n\t            this._allpassFiltersR[ar] = null;\n\t        }\n\t        this._allpassFiltersR = null;\n\t        for (var cf = 0; cf < this._combFilters.length; cf++) {\n\t            this._combFilters[cf].dispose();\n\t            this._combFilters[cf] = null;\n\t        }\n\t        this._combFilters = null;\n\t        this._writable([\n\t            'roomSize',\n\t            'dampening'\n\t        ]);\n\t        this.roomSize.dispose();\n\t        this.roomSize = null;\n\t        this.dampening.dispose();\n\t        this.dampening = null;\n\t        return this;\n\t    };\n\t    return Tone.Freeverb;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  an array of the comb filter delay time values\n\t\t *  @private\n\t\t *  @static\n\t\t *  @type {Array}\n\t\t */\n\t    var combFilterDelayTimes = [\n\t        1687 / 25000,\n\t        1601 / 25000,\n\t        2053 / 25000,\n\t        2251 / 25000\n\t    ];\n\t    /**\n\t\t *  the resonances of each of the comb filters\n\t\t *  @private\n\t\t *  @static\n\t\t *  @type {Array}\n\t\t */\n\t    var combFilterResonances = [\n\t        0.773,\n\t        0.802,\n\t        0.753,\n\t        0.733\n\t    ];\n\t    /**\n\t\t *  the allpass filter frequencies\n\t\t *  @private\n\t\t *  @static\n\t\t *  @type {Array}\n\t\t */\n\t    var allpassFilterFreqs = [\n\t        347,\n\t        113,\n\t        37\n\t    ];\n\t    /**\n\t\t *  @class Tone.JCReverb is a simple [Schroeder Reverberator](https://ccrma.stanford.edu/~jos/pasp/Schroeder_Reverberators.html)\n\t\t *         tuned by John Chowning in 1970.\n\t\t *         It is made up of three allpass filters and four Tone.FeedbackCombFilter. \n\t\t *         \n\t\t *\n\t\t *  @extends {Tone.Effect}\n\t\t *  @constructor\n\t\t *  @param {NormalRange|Object} [roomSize] Coorelates to the decay time.\n\t\t *  @example\n\t\t * var reverb = new Tone.JCReverb(0.4).connect(Tone.Master);\n\t\t * var delay = new Tone.FeedbackDelay(0.5); \n\t\t * //connecting the synth to reverb through delay\n\t\t * var synth = new Tone.DuoSynth().chain(delay, reverb);\n\t\t * synth.triggerAttackRelease(\"A4\",\"8n\");\n\t\t */\n\t    Tone.JCReverb = function () {\n\t        var options = this.optionsObject(arguments, ['roomSize'], Tone.JCReverb.defaults);\n\t        Tone.StereoEffect.call(this, options);\n\t        /**\n\t\t\t *  room size control values between [0,1]\n\t\t\t *  @type {NormalRange}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.roomSize = new Tone.Signal(options.roomSize, Tone.Type.NormalRange);\n\t        /**\n\t\t\t *  scale the room size\n\t\t\t *  @type {Tone.Scale}\n\t\t\t *  @private\n\t\t\t */\n\t        this._scaleRoomSize = new Tone.Scale(-0.733, 0.197);\n\t        /**\n\t\t\t *  a series of allpass filters\n\t\t\t *  @type {Array}\n\t\t\t *  @private\n\t\t\t */\n\t        this._allpassFilters = [];\n\t        /**\n\t\t\t *  parallel feedback comb filters\n\t\t\t *  @type {Array}\n\t\t\t *  @private\n\t\t\t */\n\t        this._feedbackCombFilters = [];\n\t        //make the allpass filters\n\t        for (var af = 0; af < allpassFilterFreqs.length; af++) {\n\t            var allpass = this.context.createBiquadFilter();\n\t            allpass.type = 'allpass';\n\t            allpass.frequency.value = allpassFilterFreqs[af];\n\t            this._allpassFilters.push(allpass);\n\t        }\n\t        //and the comb filters\n\t        for (var cf = 0; cf < combFilterDelayTimes.length; cf++) {\n\t            var fbcf = new Tone.FeedbackCombFilter(combFilterDelayTimes[cf], 0.1);\n\t            this._scaleRoomSize.connect(fbcf.resonance);\n\t            fbcf.resonance.value = combFilterResonances[cf];\n\t            this._allpassFilters[this._allpassFilters.length - 1].connect(fbcf);\n\t            if (cf < combFilterDelayTimes.length / 2) {\n\t                fbcf.connect(this.effectReturnL);\n\t            } else {\n\t                fbcf.connect(this.effectReturnR);\n\t            }\n\t            this._feedbackCombFilters.push(fbcf);\n\t        }\n\t        //chain the allpass filters together\n\t        this.roomSize.connect(this._scaleRoomSize);\n\t        this.connectSeries.apply(this, this._allpassFilters);\n\t        this.effectSendL.connect(this._allpassFilters[0]);\n\t        this.effectSendR.connect(this._allpassFilters[0]);\n\t        this._readOnly(['roomSize']);\n\t    };\n\t    Tone.extend(Tone.JCReverb, Tone.StereoEffect);\n\t    /**\n\t\t *  the default values\n\t\t *  @static\n\t\t *  @const\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.JCReverb.defaults = { 'roomSize': 0.5 };\n\t    /**\n\t\t *  Clean up. \n\t\t *  @returns {Tone.JCReverb} this\n\t\t */\n\t    Tone.JCReverb.prototype.dispose = function () {\n\t        Tone.StereoEffect.prototype.dispose.call(this);\n\t        for (var apf = 0; apf < this._allpassFilters.length; apf++) {\n\t            this._allpassFilters[apf].disconnect();\n\t            this._allpassFilters[apf] = null;\n\t        }\n\t        this._allpassFilters = null;\n\t        for (var fbcf = 0; fbcf < this._feedbackCombFilters.length; fbcf++) {\n\t            this._feedbackCombFilters[fbcf].dispose();\n\t            this._feedbackCombFilters[fbcf] = null;\n\t        }\n\t        this._feedbackCombFilters = null;\n\t        this._writable(['roomSize']);\n\t        this.roomSize.dispose();\n\t        this.roomSize = null;\n\t        this._scaleRoomSize.dispose();\n\t        this._scaleRoomSize = null;\n\t        return this;\n\t    };\n\t    return Tone.JCReverb;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Mid/Side processing separates the the 'mid' signal \n\t\t *         (which comes out of both the left and the right channel) \n\t\t *         and the 'side' (which only comes out of the the side channels) \n\t\t *         and effects them separately before being recombined.\n\t\t *         Applies a Mid/Side seperation and recombination.\n\t\t *         Algorithm found in [kvraudio forums](http://www.kvraudio.com/forum/viewtopic.php?t=212587).\n\t\t *         <br><br>\n\t\t *         This is a base-class for Mid/Side Effects. \n\t\t *\n\t\t *  @extends {Tone.Effect}\n\t\t *  @constructor\n\t\t */\n\t    Tone.MidSideEffect = function () {\n\t        Tone.Effect.apply(this, arguments);\n\t        /**\n\t\t\t *  The mid/side split\n\t\t\t *  @type  {Tone.MidSideSplit}\n\t\t\t *  @private\n\t\t\t */\n\t        this._midSideSplit = new Tone.MidSideSplit();\n\t        /**\n\t\t\t *  The mid/side merge\n\t\t\t *  @type  {Tone.MidSideMerge}\n\t\t\t *  @private\n\t\t\t */\n\t        this._midSideMerge = new Tone.MidSideMerge();\n\t        /**\n\t\t\t *  The mid send. Connect to mid processing\n\t\t\t *  @type {Tone.Expr}\n\t\t\t *  @private\n\t\t\t */\n\t        this.midSend = this._midSideSplit.mid;\n\t        /**\n\t\t\t *  The side send. Connect to side processing\n\t\t\t *  @type {Tone.Expr}\n\t\t\t *  @private\n\t\t\t */\n\t        this.sideSend = this._midSideSplit.side;\n\t        /**\n\t\t\t *  The mid return connection\n\t\t\t *  @type {GainNode}\n\t\t\t *  @private\n\t\t\t */\n\t        this.midReturn = this._midSideMerge.mid;\n\t        /**\n\t\t\t *  The side return connection\n\t\t\t *  @type {GainNode}\n\t\t\t *  @private\n\t\t\t */\n\t        this.sideReturn = this._midSideMerge.side;\n\t        //the connections\n\t        this.effectSend.connect(this._midSideSplit);\n\t        this._midSideMerge.connect(this.effectReturn);\n\t    };\n\t    Tone.extend(Tone.MidSideEffect, Tone.Effect);\n\t    /**\n\t\t *  Clean up. \n\t\t *  @returns {Tone.MidSideEffect} this\n\t\t */\n\t    Tone.MidSideEffect.prototype.dispose = function () {\n\t        Tone.Effect.prototype.dispose.call(this);\n\t        this._midSideSplit.dispose();\n\t        this._midSideSplit = null;\n\t        this._midSideMerge.dispose();\n\t        this._midSideMerge = null;\n\t        this.midSend = null;\n\t        this.sideSend = null;\n\t        this.midReturn = null;\n\t        this.sideReturn = null;\n\t        return this;\n\t    };\n\t    return Tone.MidSideEffect;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Tone.Phaser is a phaser effect. Phasers work by changing the phase\n\t\t *         of different frequency components of an incoming signal. Read more on \n\t\t *         [Wikipedia](https://en.wikipedia.org/wiki/Phaser_(effect)). \n\t\t *         Inspiration for this phaser comes from [Tuna.js](https://github.com/Dinahmoe/tuna/).\n\t\t *\n\t\t *\t@extends {Tone.StereoEffect}\n\t\t *\t@constructor\n\t\t *\t@param {Frequency|Object} [frequency] The speed of the phasing. \n\t\t *\t@param {number} [octaves] The octaves of the effect. \n\t\t *\t@param {Frequency} [baseFrequency] The base frequency of the filters. \n\t\t *\t@example\n\t\t * var phaser = new Tone.Phaser({\n\t\t * \t\"frequency\" : 15, \n\t\t * \t\"octaves\" : 5, \n\t\t * \t\"baseFrequency\" : 1000\n\t\t * }).toMaster();\n\t\t * var synth = new Tone.FMSynth().connect(phaser);\n\t\t * synth.triggerAttackRelease(\"E3\", \"2n\");\n\t\t */\n\t    Tone.Phaser = function () {\n\t        //set the defaults\n\t        var options = this.optionsObject(arguments, [\n\t            'frequency',\n\t            'octaves',\n\t            'baseFrequency'\n\t        ], Tone.Phaser.defaults);\n\t        Tone.StereoEffect.call(this, options);\n\t        /**\n\t\t\t *  the lfo which controls the frequency on the left side\n\t\t\t *  @type {Tone.LFO}\n\t\t\t *  @private\n\t\t\t */\n\t        this._lfoL = new Tone.LFO(options.frequency, 0, 1);\n\t        /**\n\t\t\t *  the lfo which controls the frequency on the right side\n\t\t\t *  @type {Tone.LFO}\n\t\t\t *  @private\n\t\t\t */\n\t        this._lfoR = new Tone.LFO(options.frequency, 0, 1);\n\t        this._lfoR.phase = 180;\n\t        /**\n\t\t\t *  the base modulation frequency\n\t\t\t *  @type {number}\n\t\t\t *  @private\n\t\t\t */\n\t        this._baseFrequency = options.baseFrequency;\n\t        /**\n\t\t\t *  the octaves of the phasing\n\t\t\t *  @type {number}\n\t\t\t *  @private\n\t\t\t */\n\t        this._octaves = options.octaves;\n\t        /**\n\t\t\t *  The quality factor of the filters\n\t\t\t *  @type {Positive}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.Q = new Tone.Signal(options.Q, Tone.Type.Positive);\n\t        /**\n\t\t\t *  the array of filters for the left side\n\t\t\t *  @type {Array}\n\t\t\t *  @private\n\t\t\t */\n\t        this._filtersL = this._makeFilters(options.stages, this._lfoL, this.Q);\n\t        /**\n\t\t\t *  the array of filters for the left side\n\t\t\t *  @type {Array}\n\t\t\t *  @private\n\t\t\t */\n\t        this._filtersR = this._makeFilters(options.stages, this._lfoR, this.Q);\n\t        /**\n\t\t\t * the frequency of the effect\n\t\t\t * @type {Tone.Signal}\n\t\t\t */\n\t        this.frequency = this._lfoL.frequency;\n\t        this.frequency.value = options.frequency;\n\t        //connect them up\n\t        this.effectSendL.connect(this._filtersL[0]);\n\t        this.effectSendR.connect(this._filtersR[0]);\n\t        this._filtersL[options.stages - 1].connect(this.effectReturnL);\n\t        this._filtersR[options.stages - 1].connect(this.effectReturnR);\n\t        //control the frequency with one LFO\n\t        this._lfoL.frequency.connect(this._lfoR.frequency);\n\t        //set the options\n\t        this.baseFrequency = options.baseFrequency;\n\t        this.octaves = options.octaves;\n\t        //start the lfo\n\t        this._lfoL.start();\n\t        this._lfoR.start();\n\t        this._readOnly([\n\t            'frequency',\n\t            'Q'\n\t        ]);\n\t    };\n\t    Tone.extend(Tone.Phaser, Tone.StereoEffect);\n\t    /**\n\t\t *  defaults\n\t\t *  @static\n\t\t *  @type {object}\n\t\t */\n\t    Tone.Phaser.defaults = {\n\t        'frequency': 0.5,\n\t        'octaves': 3,\n\t        'stages': 10,\n\t        'Q': 10,\n\t        'baseFrequency': 350\n\t    };\n\t    /**\n\t\t *  @param {number} stages\n\t\t *  @returns {Array} the number of filters all connected together\n\t\t *  @private\n\t\t */\n\t    Tone.Phaser.prototype._makeFilters = function (stages, connectToFreq, Q) {\n\t        var filters = new Array(stages);\n\t        //make all the filters\n\t        for (var i = 0; i < stages; i++) {\n\t            var filter = this.context.createBiquadFilter();\n\t            filter.type = 'allpass';\n\t            Q.connect(filter.Q);\n\t            connectToFreq.connect(filter.frequency);\n\t            filters[i] = filter;\n\t        }\n\t        this.connectSeries.apply(this, filters);\n\t        return filters;\n\t    };\n\t    /**\n\t\t * The number of octaves the phase goes above\n\t\t * the baseFrequency\n\t\t * @memberOf Tone.Phaser#\n\t\t * @type {Positive}\n\t\t * @name octaves\n\t\t */\n\t    Object.defineProperty(Tone.Phaser.prototype, 'octaves', {\n\t        get: function () {\n\t            return this._octaves;\n\t        },\n\t        set: function (octaves) {\n\t            this._octaves = octaves;\n\t            var max = this._baseFrequency * Math.pow(2, octaves);\n\t            this._lfoL.max = max;\n\t            this._lfoR.max = max;\n\t        }\n\t    });\n\t    /**\n\t\t * The the base frequency of the filters. \n\t\t * @memberOf Tone.Phaser#\n\t\t * @type {number}\n\t\t * @name baseFrequency\n\t\t */\n\t    Object.defineProperty(Tone.Phaser.prototype, 'baseFrequency', {\n\t        get: function () {\n\t            return this._baseFrequency;\n\t        },\n\t        set: function (freq) {\n\t            this._baseFrequency = freq;\n\t            this._lfoL.min = freq;\n\t            this._lfoR.min = freq;\n\t            this.octaves = this._octaves;\n\t        }\n\t    });\n\t    /**\n\t\t *  clean up\n\t\t *  @returns {Tone.Phaser} this\n\t\t */\n\t    Tone.Phaser.prototype.dispose = function () {\n\t        Tone.StereoEffect.prototype.dispose.call(this);\n\t        this._writable([\n\t            'frequency',\n\t            'Q'\n\t        ]);\n\t        this.Q.dispose();\n\t        this.Q = null;\n\t        this._lfoL.dispose();\n\t        this._lfoL = null;\n\t        this._lfoR.dispose();\n\t        this._lfoR = null;\n\t        for (var i = 0; i < this._filtersL.length; i++) {\n\t            this._filtersL[i].disconnect();\n\t            this._filtersL[i] = null;\n\t        }\n\t        this._filtersL = null;\n\t        for (var j = 0; j < this._filtersR.length; j++) {\n\t            this._filtersR[j].disconnect();\n\t            this._filtersR[j] = null;\n\t        }\n\t        this._filtersR = null;\n\t        this.frequency = null;\n\t        return this;\n\t    };\n\t    return Tone.Phaser;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  Tone.PingPongDelay is a feedback delay effect where the echo is heard\n\t\t *          first in one channel and next in the opposite channel. In a stereo\n\t\t *          system these are the right and left channels.\n\t\t *          PingPongDelay in more simplified terms is two Tone.FeedbackDelays \n\t\t *          with independent delay values. Each delay is routed to one channel\n\t\t *          (left or right), and the channel triggered second will always \n\t\t *          trigger at the same interval after the first.\n\t\t *\n\t\t * \t@constructor\n\t\t * \t@extends {Tone.StereoXFeedbackEffect}\n\t\t *  @param {Time|Object} [delayTime] The delayTime between consecutive echos.\n\t\t *  @param {NormalRange=} feedback The amount of the effected signal which \n\t\t *                                 is fed back through the delay.\n\t\t *  @example\n\t\t * var pingPong = new Tone.PingPongDelay(\"4n\", 0.2).toMaster();\n\t\t * var drum = new Tone.DrumSynth().connect(pingPong);\n\t\t * drum.triggerAttackRelease(\"C4\", \"32n\");\n\t\t */\n\t    Tone.PingPongDelay = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'delayTime',\n\t            'feedback'\n\t        ], Tone.PingPongDelay.defaults);\n\t        Tone.StereoXFeedbackEffect.call(this, options);\n\t        /**\n\t\t\t *  the delay node on the left side\n\t\t\t *  @type {Tone.Delay}\n\t\t\t *  @private\n\t\t\t */\n\t        this._leftDelay = new Tone.Delay(0, options.maxDelayTime);\n\t        /**\n\t\t\t *  the delay node on the right side\n\t\t\t *  @type {Tone.Delay}\n\t\t\t *  @private\n\t\t\t */\n\t        this._rightDelay = new Tone.Delay(0, options.maxDelayTime);\n\t        /**\n\t\t\t *  the predelay on the right side\n\t\t\t *  @type {Tone.Delay}\n\t\t\t *  @private\n\t\t\t */\n\t        this._rightPreDelay = new Tone.Delay(0, options.maxDelayTime);\n\t        /**\n\t\t\t *  the delay time signal\n\t\t\t *  @type {Time}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.delayTime = new Tone.Signal(options.delayTime, Tone.Type.Time);\n\t        //connect it up\n\t        this.effectSendL.chain(this._leftDelay, this.effectReturnL);\n\t        this.effectSendR.chain(this._rightPreDelay, this._rightDelay, this.effectReturnR);\n\t        this.delayTime.fan(this._leftDelay.delayTime, this._rightDelay.delayTime, this._rightPreDelay.delayTime);\n\t        //rearranged the feedback to be after the rightPreDelay\n\t        this._feedbackLR.disconnect();\n\t        this._feedbackLR.connect(this._rightDelay);\n\t        this._readOnly(['delayTime']);\n\t    };\n\t    Tone.extend(Tone.PingPongDelay, Tone.StereoXFeedbackEffect);\n\t    /**\n\t\t *  @static\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.PingPongDelay.defaults = {\n\t        'delayTime': 0.25,\n\t        'maxDelayTime': 1\n\t    };\n\t    /**\n\t\t *  Clean up. \n\t\t *  @returns {Tone.PingPongDelay} this\n\t\t */\n\t    Tone.PingPongDelay.prototype.dispose = function () {\n\t        Tone.StereoXFeedbackEffect.prototype.dispose.call(this);\n\t        this._leftDelay.dispose();\n\t        this._leftDelay = null;\n\t        this._rightDelay.dispose();\n\t        this._rightDelay = null;\n\t        this._rightPreDelay.dispose();\n\t        this._rightPreDelay = null;\n\t        this._writable(['delayTime']);\n\t        this.delayTime.dispose();\n\t        this.delayTime = null;\n\t        return this;\n\t    };\n\t    return Tone.PingPongDelay;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Tone.PitchShift does near-realtime pitch shifting to the incoming signal. \n\t\t *         The effect is achieved by speeding up or slowing down the delayTime\n\t\t *         of a DelayNode using a sawtooth wave. \n\t\t *         Algorithm found in [this pdf](http://dsp-book.narod.ru/soundproc.pdf).\n\t\t *         Additional reference by [Miller Pucket](http://msp.ucsd.edu/techniques/v0.11/book-html/node115.html).\n\t\t *         \n\t\t *  @extends {Tone.FeedbackEffect}\n\t\t *  @param {Interval=} pitch The interval to transpose the incoming signal by. \n\t\t */\n\t    Tone.PitchShift = function () {\n\t        var options = this.optionsObject(arguments, ['pitch'], Tone.PitchShift.defaults);\n\t        Tone.FeedbackEffect.call(this, options);\n\t        /**\n\t\t\t *  The pitch signal\n\t\t\t *  @type  {Tone.Signal}\n\t\t\t *  @private\n\t\t\t */\n\t        this._frequency = new Tone.Signal(0);\n\t        /**\n\t\t\t *  Uses two DelayNodes to cover up the jump in\n\t\t\t *  the sawtooth wave. \n\t\t\t *  @type  {DelayNode}\n\t\t\t *  @private\n\t\t\t */\n\t        this._delayA = new Tone.Delay(0, 1);\n\t        /**\n\t\t\t *  The first LFO.\n\t\t\t *  @type  {Tone.LFO}\n\t\t\t *  @private\n\t\t\t */\n\t        this._lfoA = new Tone.LFO({\n\t            'min': 0,\n\t            'max': 0.1,\n\t            'type': 'sawtooth'\n\t        }).connect(this._delayA.delayTime);\n\t        /**\n\t\t\t *  The second DelayNode\n\t\t\t *  @type  {DelayNode}\n\t\t\t *  @private\n\t\t\t */\n\t        this._delayB = new Tone.Delay(0, 1);\n\t        /**\n\t\t\t *  The first LFO.\n\t\t\t *  @type  {Tone.LFO}\n\t\t\t *  @private\n\t\t\t */\n\t        this._lfoB = new Tone.LFO({\n\t            'min': 0,\n\t            'max': 0.1,\n\t            'type': 'sawtooth',\n\t            'phase': 180\n\t        }).connect(this._delayB.delayTime);\n\t        /**\n\t\t\t *  Crossfade quickly between the two delay lines\n\t\t\t *  to cover up the jump in the sawtooth wave\n\t\t\t *  @type  {Tone.CrossFade}\n\t\t\t *  @private\n\t\t\t */\n\t        this._crossFade = new Tone.CrossFade();\n\t        /**\n\t\t\t *  LFO which alternates between the two\n\t\t\t *  delay lines to cover up the disparity in the\n\t\t\t *  sawtooth wave. \n\t\t\t *  @type  {Tone.LFO}\n\t\t\t *  @private\n\t\t\t */\n\t        this._crossFadeLFO = new Tone.LFO({\n\t            'min': 0,\n\t            'max': 1,\n\t            'type': 'triangle',\n\t            'phase': 90\n\t        }).connect(this._crossFade.fade);\n\t        /**\n\t\t\t *  The delay node\n\t\t\t *  @type {Tone.Delay}\n\t\t\t *  @private\n\t\t\t */\n\t        this._feedbackDelay = new Tone.Delay(options.delayTime);\n\t        /**\n\t\t\t *  The amount of delay on the input signal\n\t\t\t *  @type {Time}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.delayTime = this._feedbackDelay.delayTime;\n\t        this._readOnly('delayTime');\n\t        /**\n\t\t\t *  Hold the current pitch\n\t\t\t *  @type {Number}\n\t\t\t *  @private\n\t\t\t */\n\t        this._pitch = options.pitch;\n\t        /**\n\t\t\t *  Hold the current windowSize\n\t\t\t *  @type {Number}\n\t\t\t *  @private\n\t\t\t */\n\t        this._windowSize = options.windowSize;\n\t        //connect the two delay lines up\n\t        this._delayA.connect(this._crossFade.a);\n\t        this._delayB.connect(this._crossFade.b);\n\t        //connect the frequency\n\t        this._frequency.fan(this._lfoA.frequency, this._lfoB.frequency, this._crossFadeLFO.frequency);\n\t        //route the input\n\t        this.effectSend.fan(this._delayA, this._delayB);\n\t        this._crossFade.chain(this._feedbackDelay, this.effectReturn);\n\t        //start the LFOs at the same time\n\t        var now = this.now();\n\t        this._lfoA.start(now);\n\t        this._lfoB.start(now);\n\t        this._crossFadeLFO.start(now);\n\t        //set the initial value\n\t        this.windowSize = this._windowSize;\n\t    };\n\t    Tone.extend(Tone.PitchShift, Tone.FeedbackEffect);\n\t    /**\n\t\t *  default values\n\t\t *  @static\n\t\t *  @type {Object}\n\t\t *  @const\n\t\t */\n\t    Tone.PitchShift.defaults = {\n\t        'pitch': 0,\n\t        'windowSize': 0.1,\n\t        'delayTime': 0,\n\t        'feedback': 0\n\t    };\n\t    /**\n\t\t * Repitch the incoming signal by some interval (measured\n\t\t * in semi-tones). \n\t\t * @memberOf Tone.PitchShift#\n\t\t * @type {Interval}\n\t\t * @name pitch\n\t\t * @example\n\t\t * pitchShift.pitch = -12; //down one octave\n\t\t * pitchShift.pitch = 7; //up a fifth\n\t\t */\n\t    Object.defineProperty(Tone.PitchShift.prototype, 'pitch', {\n\t        get: function () {\n\t            return this._pitch;\n\t        },\n\t        set: function (interval) {\n\t            this._pitch = interval;\n\t            var factor = 0;\n\t            if (interval < 0) {\n\t                this._lfoA.min = 0;\n\t                this._lfoA.max = this._windowSize;\n\t                this._lfoB.min = 0;\n\t                this._lfoB.max = this._windowSize;\n\t                factor = this.intervalToFrequencyRatio(interval - 1) + 1;\n\t            } else {\n\t                this._lfoA.min = this._windowSize;\n\t                this._lfoA.max = 0;\n\t                this._lfoB.min = this._windowSize;\n\t                this._lfoB.max = 0;\n\t                factor = this.intervalToFrequencyRatio(interval) - 1;\n\t            }\n\t            this._frequency.value = factor * (1.2 / this._windowSize);\n\t        }\n\t    });\n\t    /**\n\t\t * The window size corresponds roughly to the sample length in a looping sampler. \n\t\t * Smaller values are desirable for a less noticeable delay time of the pitch shifted\n\t\t * signal, but larger values will result in smoother pitch shifting for larger intervals. \n\t\t * A nominal range of 0.03 to 0.1 is recommended. \n\t\t * @memberOf Tone.PitchShift#\n\t\t * @type {Time}\n\t\t * @name windowSize\n\t\t * @example\n\t\t * pitchShift.windowSize = 0.1;\n\t\t */\n\t    Object.defineProperty(Tone.PitchShift.prototype, 'windowSize', {\n\t        get: function () {\n\t            return this._windowSize;\n\t        },\n\t        set: function (size) {\n\t            this._windowSize = this.toSeconds(size);\n\t            this.pitch = this._pitch;\n\t        }\n\t    });\n\t    /**\n\t\t *  Clean up.\n\t\t *  @return  {Tone.PitchShift}  this\n\t\t */\n\t    Tone.PitchShift.prototype.dispose = function () {\n\t        Tone.FeedbackEffect.prototype.dispose.call(this);\n\t        this._frequency.dispose();\n\t        this._frequency = null;\n\t        this._delayA.disconnect();\n\t        this._delayA = null;\n\t        this._delayB.disconnect();\n\t        this._delayB = null;\n\t        this._lfoA.dispose();\n\t        this._lfoA = null;\n\t        this._lfoB.dispose();\n\t        this._lfoB = null;\n\t        this._crossFade.dispose();\n\t        this._crossFade = null;\n\t        this._crossFadeLFO.dispose();\n\t        this._crossFadeLFO = null;\n\t        this._writable('delayTime');\n\t        this._feedbackDelay.dispose();\n\t        this._feedbackDelay = null;\n\t        this.delayTime = null;\n\t        return this;\n\t    };\n\t    return Tone.PitchShift;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Base class for stereo feedback effects where the effectReturn\n\t\t *         is fed back into the same channel. \n\t\t *\n\t\t *\t@constructor\n\t\t *\t@extends {Tone.FeedbackEffect}\n\t\t */\n\t    Tone.StereoFeedbackEffect = function () {\n\t        var options = this.optionsObject(arguments, ['feedback'], Tone.FeedbackEffect.defaults);\n\t        Tone.StereoEffect.call(this, options);\n\t        /**\n\t\t\t *  controls the amount of feedback\n\t\t\t *  @type {NormalRange}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.feedback = new Tone.Signal(options.feedback, Tone.Type.NormalRange);\n\t        /**\n\t\t\t *  the left side feeback\n\t\t\t *  @type {Tone.Gain}\n\t\t\t *  @private\n\t\t\t */\n\t        this._feedbackL = new Tone.Gain();\n\t        /**\n\t\t\t *  the right side feeback\n\t\t\t *  @type {Tone.Gain}\n\t\t\t *  @private\n\t\t\t */\n\t        this._feedbackR = new Tone.Gain();\n\t        //connect it up\n\t        this.effectReturnL.chain(this._feedbackL, this.effectSendL);\n\t        this.effectReturnR.chain(this._feedbackR, this.effectSendR);\n\t        this.feedback.fan(this._feedbackL.gain, this._feedbackR.gain);\n\t        this._readOnly(['feedback']);\n\t    };\n\t    Tone.extend(Tone.StereoFeedbackEffect, Tone.FeedbackEffect);\n\t    /**\n\t\t *  clean up\n\t\t *  @returns {Tone.StereoFeedbackEffect} this\n\t\t */\n\t    Tone.StereoFeedbackEffect.prototype.dispose = function () {\n\t        Tone.StereoEffect.prototype.dispose.call(this);\n\t        this._writable(['feedback']);\n\t        this.feedback.dispose();\n\t        this.feedback = null;\n\t        this._feedbackL.dispose();\n\t        this._feedbackL = null;\n\t        this._feedbackR.dispose();\n\t        this._feedbackR = null;\n\t        return this;\n\t    };\n\t    return Tone.StereoFeedbackEffect;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Applies a width factor to the mid/side seperation. \n\t\t *         0 is all mid and 1 is all side.\n\t\t *         Algorithm found in [kvraudio forums](http://www.kvraudio.com/forum/viewtopic.php?t=212587).\n\t\t *         <br><br>\n\t\t *         <code>\n\t\t *         Mid *= 2*(1-width)<br>\n\t\t *         Side *= 2*width\n\t\t *         </code>\n\t\t *\n\t\t *  @extends {Tone.MidSideEffect}\n\t\t *  @constructor\n\t\t *  @param {NormalRange|Object} [width] The stereo width. A width of 0 is mono and 1 is stereo. 0.5 is no change.\n\t\t */\n\t    Tone.StereoWidener = function () {\n\t        var options = this.optionsObject(arguments, ['width'], Tone.StereoWidener.defaults);\n\t        Tone.MidSideEffect.call(this, options);\n\t        /**\n\t\t\t *  The width control. 0 = 100% mid. 1 = 100% side. 0.5 = no change. \n\t\t\t *  @type {NormalRange}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.width = new Tone.Signal(options.width, Tone.Type.NormalRange);\n\t        /**\n\t\t\t *  Mid multiplier\n\t\t\t *  @type {Tone.Expr}\n\t\t\t *  @private\n\t\t\t */\n\t        this._midMult = new Tone.Expr('$0 * ($1 * (1 - $2))');\n\t        /**\n\t\t\t *  Side multiplier\n\t\t\t *  @type {Tone.Expr}\n\t\t\t *  @private\n\t\t\t */\n\t        this._sideMult = new Tone.Expr('$0 * ($1 * $2)');\n\t        /**\n\t\t\t *  constant output of 2\n\t\t\t *  @type {Tone}\n\t\t\t *  @private\n\t\t\t */\n\t        this._two = new Tone.Signal(2);\n\t        //the mid chain\n\t        this._two.connect(this._midMult, 0, 1);\n\t        this.width.connect(this._midMult, 0, 2);\n\t        //the side chain\n\t        this._two.connect(this._sideMult, 0, 1);\n\t        this.width.connect(this._sideMult, 0, 2);\n\t        //connect it to the effect send/return\n\t        this.midSend.chain(this._midMult, this.midReturn);\n\t        this.sideSend.chain(this._sideMult, this.sideReturn);\n\t        this._readOnly(['width']);\n\t    };\n\t    Tone.extend(Tone.StereoWidener, Tone.MidSideEffect);\n\t    /**\n\t\t *  the default values\n\t\t *  @static\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.StereoWidener.defaults = { 'width': 0.5 };\n\t    /**\n\t\t *  Clean up. \n\t\t *  @returns {Tone.StereoWidener} this\n\t\t */\n\t    Tone.StereoWidener.prototype.dispose = function () {\n\t        Tone.MidSideEffect.prototype.dispose.call(this);\n\t        this._writable(['width']);\n\t        this.width.dispose();\n\t        this.width = null;\n\t        this._midMult.dispose();\n\t        this._midMult = null;\n\t        this._sideMult.dispose();\n\t        this._sideMult = null;\n\t        this._two.dispose();\n\t        this._two = null;\n\t        return this;\n\t    };\n\t    return Tone.StereoWidener;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Tone.Tremolo modulates the amplitude of an incoming signal using a Tone.LFO.\n\t\t *         The type, frequency, and depth of the LFO is controllable.\n\t\t *\n\t\t *  @extends {Tone.StereoEffect}\n\t\t *  @constructor\n\t\t *  @param {Frequency} [frequency] The rate of the effect.\n\t\t *  @param {NormalRange} [depth] The depth of the effect.\n\t\t *  @example\n\t\t * //create a tremolo and start it's LFO\n\t\t * var tremolo = new Tone.Tremolo(9, 0.75).toMaster().start();\n\t\t * //route an oscillator through the tremolo and start it\n\t\t * var oscillator = new Tone.Oscillator().connect(tremolo).start();\n\t\t */\n\t    Tone.Tremolo = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'frequency',\n\t            'depth'\n\t        ], Tone.Tremolo.defaults);\n\t        Tone.StereoEffect.call(this, options);\n\t        /**\n\t\t\t *  The tremelo LFO in the left channel\n\t\t\t *  @type  {Tone.LFO}\n\t\t\t *  @private\n\t\t\t */\n\t        this._lfoL = new Tone.LFO({\n\t            'phase': options.spread,\n\t            'min': 1,\n\t            'max': 0\n\t        });\n\t        /**\n\t\t\t *  The tremelo LFO in the left channel\n\t\t\t *  @type  {Tone.LFO}\n\t\t\t *  @private\n\t\t\t */\n\t        this._lfoR = new Tone.LFO({\n\t            'phase': options.spread,\n\t            'min': 1,\n\t            'max': 0\n\t        });\n\t        /**\n\t\t\t *  Where the gain is multiplied\n\t\t\t *  @type  {Tone.Gain}\n\t\t\t *  @private\n\t\t\t */\n\t        this._amplitudeL = new Tone.Gain();\n\t        /**\n\t\t\t *  Where the gain is multiplied\n\t\t\t *  @type  {Tone.Gain}\n\t\t\t *  @private\n\t\t\t */\n\t        this._amplitudeR = new Tone.Gain();\n\t        /**\n\t\t\t *  The frequency of the tremolo.\n\t\t\t *  @type  {Frequency}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.frequency = new Tone.Signal(options.frequency, Tone.Type.Frequency);\n\t        /**\n\t\t\t *  The depth of the effect. A depth of 0, has no effect\n\t\t\t *  on the amplitude, and a depth of 1 makes the amplitude\n\t\t\t *  modulate fully between 0 and 1.\n\t\t\t *  @type  {NormalRange}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.depth = new Tone.Signal(options.depth, Tone.Type.NormalRange);\n\t        this._readOnly([\n\t            'frequency',\n\t            'depth'\n\t        ]);\n\t        this.effectSendL.chain(this._amplitudeL, this.effectReturnL);\n\t        this.effectSendR.chain(this._amplitudeR, this.effectReturnR);\n\t        this._lfoL.connect(this._amplitudeL.gain);\n\t        this._lfoR.connect(this._amplitudeR.gain);\n\t        this.frequency.fan(this._lfoL.frequency, this._lfoR.frequency);\n\t        this.depth.fan(this._lfoR.amplitude, this._lfoL.amplitude);\n\t        this.type = options.type;\n\t        this.spread = options.spread;\n\t    };\n\t    Tone.extend(Tone.Tremolo, Tone.StereoEffect);\n\t    /**\n\t\t *  @static\n\t\t *  @const\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.Tremolo.defaults = {\n\t        'frequency': 10,\n\t        'type': 'sine',\n\t        'depth': 0.5,\n\t        'spread': 180\n\t    };\n\t    /**\n\t\t * Start the tremolo.\n\t\t * @param {Time} [time=now] When the tremolo begins.\n\t\t * @returns {Tone.Tremolo} this\n\t\t */\n\t    Tone.Tremolo.prototype.start = function (time) {\n\t        this._lfoL.start(time);\n\t        this._lfoR.start(time);\n\t        return this;\n\t    };\n\t    /**\n\t\t * Stop the tremolo.\n\t\t * @param {Time} [time=now] When the tremolo stops.\n\t\t * @returns {Tone.Tremolo} this\n\t\t */\n\t    Tone.Tremolo.prototype.stop = function (time) {\n\t        this._lfoL.stop(time);\n\t        this._lfoR.stop(time);\n\t        return this;\n\t    };\n\t    /**\n\t\t * Sync the effect to the transport.\n\t\t * @param {Time} [delay=0] Delay time before starting the effect after the\n\t\t *                              Transport has started.\n\t\t * @returns {Tone.AutoFilter} this\n\t\t */\n\t    Tone.Tremolo.prototype.sync = function (delay) {\n\t        this._lfoL.sync(delay);\n\t        this._lfoR.sync(delay);\n\t        return this;\n\t    };\n\t    /**\n\t\t * Unsync the filter from the transport\n\t\t * @returns {Tone.Tremolo} this\n\t\t */\n\t    Tone.Tremolo.prototype.unsync = function () {\n\t        this._lfoL.unsync();\n\t        this._lfoR.unsync();\n\t        return this;\n\t    };\n\t    /**\n\t\t * The Tremolo's oscillator type.\n\t\t * @memberOf Tone.Tremolo#\n\t\t * @type {string}\n\t\t * @name type\n\t\t */\n\t    Object.defineProperty(Tone.Tremolo.prototype, 'type', {\n\t        get: function () {\n\t            return this._lfoL.type;\n\t        },\n\t        set: function (type) {\n\t            this._lfoL.type = type;\n\t            this._lfoR.type = type;\n\t        }\n\t    });\n\t    /** \n\t\t * Amount of stereo spread. When set to 0, both LFO's will be panned centrally.\n\t\t * When set to 180, LFO's will be panned hard left and right respectively.\n\t\t * @memberOf Tone.Tremolo#\n\t\t * @type {Degrees}\n\t\t * @name spread\n\t\t */\n\t    Object.defineProperty(Tone.Tremolo.prototype, 'spread', {\n\t        get: function () {\n\t            return this._lfoR.phase - this._lfoL.phase;    //180\n\t        },\n\t        set: function (spread) {\n\t            this._lfoL.phase = 90 - spread / 2;\n\t            this._lfoR.phase = spread / 2 + 90;\n\t        }\n\t    });\n\t    /**\n\t\t *  clean up\n\t\t *  @returns {Tone.Tremolo} this\n\t\t */\n\t    Tone.Tremolo.prototype.dispose = function () {\n\t        Tone.StereoEffect.prototype.dispose.call(this);\n\t        this._writable([\n\t            'frequency',\n\t            'depth'\n\t        ]);\n\t        this._lfoL.dispose();\n\t        this._lfoL = null;\n\t        this._lfoR.dispose();\n\t        this._lfoR = null;\n\t        this._amplitudeL.dispose();\n\t        this._amplitudeL = null;\n\t        this._amplitudeR.dispose();\n\t        this._amplitudeR = null;\n\t        this.frequency = null;\n\t        this.depth = null;\n\t        return this;\n\t    };\n\t    return Tone.Tremolo;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class A Vibrato effect composed of a Tone.Delay and a Tone.LFO. The LFO\n\t\t *         modulates the delayTime of the delay, causing the pitch to rise\n\t\t *         and fall. \n\t\t *  @extends {Tone.Effect}\n\t\t *  @param {Frequency} frequency The frequency of the vibrato.\n\t\t *  @param {NormalRange} depth The amount the pitch is modulated.\n\t\t */\n\t    Tone.Vibrato = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'frequency',\n\t            'depth'\n\t        ], Tone.Vibrato.defaults);\n\t        Tone.Effect.call(this, options);\n\t        /**\n\t\t\t *  The delay node used for the vibrato effect\n\t\t\t *  @type {Tone.Delay}\n\t\t\t *  @private\n\t\t\t */\n\t        this._delayNode = new Tone.Delay(0, options.maxDelay);\n\t        /**\n\t\t\t *  The LFO used to control the vibrato\n\t\t\t *  @type {Tone.LFO}\n\t\t\t *  @private\n\t\t\t */\n\t        this._lfo = new Tone.LFO({\n\t            'type': options.type,\n\t            'min': 0,\n\t            'max': options.maxDelay,\n\t            'frequency': options.frequency,\n\t            'phase': -90    //offse the phase so the resting position is in the center\n\t        }).start().connect(this._delayNode.delayTime);\n\t        /**\n\t\t\t *  The frequency of the vibrato\n\t\t\t *  @type {Frequency}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.frequency = this._lfo.frequency;\n\t        /**\n\t\t\t *  The depth of the vibrato. \n\t\t\t *  @type {NormalRange}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.depth = this._lfo.amplitude;\n\t        this.depth.value = options.depth;\n\t        this._readOnly([\n\t            'frequency',\n\t            'depth'\n\t        ]);\n\t        this.effectSend.chain(this._delayNode, this.effectReturn);\n\t    };\n\t    Tone.extend(Tone.Vibrato, Tone.Effect);\n\t    /**\n\t\t *  The defaults\n\t\t *  @type  {Object}\n\t\t *  @const\n\t\t */\n\t    Tone.Vibrato.defaults = {\n\t        'maxDelay': 0.005,\n\t        'frequency': 5,\n\t        'depth': 0.1,\n\t        'type': 'sine'\n\t    };\n\t    /**\n\t\t * Type of oscillator attached to the Vibrato.\n\t\t * @memberOf Tone.Vibrato#\n\t\t * @type {string}\n\t\t * @name type\n\t\t */\n\t    Object.defineProperty(Tone.Vibrato.prototype, 'type', {\n\t        get: function () {\n\t            return this._lfo.type;\n\t        },\n\t        set: function (type) {\n\t            this._lfo.type = type;\n\t        }\n\t    });\n\t    /**\n\t\t *  Clean up.\n\t\t *  @returns {Tone.Vibrato} this\n\t\t */\n\t    Tone.Vibrato.prototype.dispose = function () {\n\t        Tone.Effect.prototype.dispose.call(this);\n\t        this._delayNode.dispose();\n\t        this._delayNode = null;\n\t        this._lfo.dispose();\n\t        this._lfo = null;\n\t        this._writable([\n\t            'frequency',\n\t            'depth'\n\t        ]);\n\t        this.frequency = null;\n\t        this.depth = null;\n\t    };\n\t    return Tone.Vibrato;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  Tone.Event abstracts away Tone.Transport.schedule and provides a schedulable\n\t\t *          callback for a single or repeatable events along the timeline. \n\t\t *\n\t\t *  @extends {Tone}\n\t\t *  @param {function} callback The callback to invoke at the time. \n\t\t *  @param {*} value The value or values which should be passed to\n\t\t *                      the callback function on invocation.  \n\t\t *  @example\n\t\t * var chord = new Tone.Event(function(time, chord){\n\t\t * \t//the chord as well as the exact time of the event\n\t\t * \t//are passed in as arguments to the callback function\n\t\t * }, [\"D4\", \"E4\", \"F4\"]);\n\t\t * //start the chord at the beginning of the transport timeline\n\t\t * chord.start();\n\t\t * //loop it every measure for 8 measures\n\t\t * chord.loop = 8;\n\t\t * chord.loopEnd = \"1m\";\n\t\t */\n\t    Tone.Event = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'callback',\n\t            'value'\n\t        ], Tone.Event.defaults);\n\t        /**\n\t\t\t *  Loop value\n\t\t\t *  @type  {Boolean|Positive}\n\t\t\t *  @private\n\t\t\t */\n\t        this._loop = options.loop;\n\t        /**\n\t\t\t *  The callback to invoke. \n\t\t\t *  @type  {Function}\n\t\t\t */\n\t        this.callback = options.callback;\n\t        /**\n\t\t\t *  The value which is passed to the\n\t\t\t *  callback function.\n\t\t\t *  @type  {*}\n\t\t\t *  @private\n\t\t\t */\n\t        this.value = options.value;\n\t        /**\n\t\t\t *  When the note is scheduled to start.\n\t\t\t *  @type  {Number}\n\t\t\t *  @private\n\t\t\t */\n\t        this._loopStart = this.toTicks(options.loopStart);\n\t        /**\n\t\t\t *  When the note is scheduled to start.\n\t\t\t *  @type  {Number}\n\t\t\t *  @private\n\t\t\t */\n\t        this._loopEnd = this.toTicks(options.loopEnd);\n\t        /**\n\t\t\t *  Tracks the scheduled events\n\t\t\t *  @type {Tone.TimelineState}\n\t\t\t *  @private\n\t\t\t */\n\t        this._state = new Tone.TimelineState(Tone.State.Stopped);\n\t        /**\n\t\t\t *  The playback speed of the note. A speed of 1\n\t\t\t *  is no change. \n\t\t\t *  @private\n\t\t\t *  @type {Positive}\n\t\t\t */\n\t        this._playbackRate = 1;\n\t        /**\n\t\t\t *  A delay time from when the event is scheduled to start\n\t\t\t *  @type {Ticks}\n\t\t\t *  @private\n\t\t\t */\n\t        this._startOffset = 0;\n\t        /**\n\t\t\t *  The probability that the callback will be invoked\n\t\t\t *  at the scheduled time. \n\t\t\t *  @type {NormalRange}\n\t\t\t *  @example\n\t\t\t * //the callback will be invoked 50% of the time\n\t\t\t * event.probability = 0.5;\n\t\t\t */\n\t        this.probability = options.probability;\n\t        /**\n\t\t\t *  If set to true, will apply small (+/-0.02 seconds) random variation\n\t\t\t *  to the callback time. If the value is given as a time, it will randomize\n\t\t\t *  by that amount.\n\t\t\t *  @example\n\t\t\t * event.humanize = true;\n\t\t\t *  @type {Boolean|Time}\n\t\t\t */\n\t        this.humanize = options.humanize;\n\t        /**\n\t\t\t *  If mute is true, the callback won't be\n\t\t\t *  invoked.\n\t\t\t *  @type {Boolean}\n\t\t\t */\n\t        this.mute = options.mute;\n\t        //set the initial values\n\t        this.playbackRate = options.playbackRate;\n\t    };\n\t    Tone.extend(Tone.Event);\n\t    /**\n\t\t *  The default values\n\t\t *  @type  {Object}\n\t\t *  @const\n\t\t */\n\t    Tone.Event.defaults = {\n\t        'callback': Tone.noOp,\n\t        'loop': false,\n\t        'loopEnd': '1m',\n\t        'loopStart': 0,\n\t        'playbackRate': 1,\n\t        'value': null,\n\t        'probability': 1,\n\t        'mute': false,\n\t        'humanize': false\n\t    };\n\t    /**\n\t\t *  Reschedule all of the events along the timeline\n\t\t *  with the updated values.\n\t\t *  @param {Time} after Only reschedules events after the given time.\n\t\t *  @return  {Tone.Event}  this\n\t\t *  @private\n\t\t */\n\t    Tone.Event.prototype._rescheduleEvents = function (after) {\n\t        //if no argument is given, schedules all of the events\n\t        after = this.defaultArg(after, -1);\n\t        this._state.forEachFrom(after, function (event) {\n\t            var duration;\n\t            if (event.state === Tone.State.Started) {\n\t                if (!this.isUndef(event.id)) {\n\t                    Tone.Transport.clear(event.id);\n\t                }\n\t                var startTick = event.time + Math.round(this.startOffset / this._playbackRate);\n\t                if (this._loop) {\n\t                    duration = Infinity;\n\t                    if (this.isNumber(this._loop)) {\n\t                        duration = this._loop * this._getLoopDuration();\n\t                    }\n\t                    var nextEvent = this._state.getAfter(startTick);\n\t                    if (nextEvent !== null) {\n\t                        duration = Math.min(duration, nextEvent.time - startTick);\n\t                    }\n\t                    if (duration !== Infinity) {\n\t                        //schedule a stop since it's finite duration\n\t                        this._state.setStateAtTime(Tone.State.Stopped, startTick + duration + 1);\n\t                        duration = Tone.Time(duration, 'i');\n\t                    }\n\t                    var interval = Tone.Time(this._getLoopDuration(), 'i');\n\t                    event.id = Tone.Transport.scheduleRepeat(this._tick.bind(this), interval, Tone.TransportTime(startTick, 'i'), duration);\n\t                } else {\n\t                    event.id = Tone.Transport.schedule(this._tick.bind(this), startTick + 'i');\n\t                }\n\t            }\n\t        }.bind(this));\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Returns the playback state of the note, either \"started\" or \"stopped\".\n\t\t *  @type {String}\n\t\t *  @readOnly\n\t\t *  @memberOf Tone.Event#\n\t\t *  @name state\n\t\t */\n\t    Object.defineProperty(Tone.Event.prototype, 'state', {\n\t        get: function () {\n\t            return this._state.getValueAtTime(Tone.Transport.ticks);\n\t        }\n\t    });\n\t    /**\n\t\t *  The start from the scheduled start time\n\t\t *  @type {Ticks}\n\t\t *  @memberOf Tone.Event#\n\t\t *  @name startOffset\n\t\t *  @private\n\t\t */\n\t    Object.defineProperty(Tone.Event.prototype, 'startOffset', {\n\t        get: function () {\n\t            return this._startOffset;\n\t        },\n\t        set: function (offset) {\n\t            this._startOffset = offset;\n\t        }\n\t    });\n\t    /**\n\t\t *  Start the note at the given time. \n\t\t *  @param  {TimelinePosition}  time  When the note should start.\n\t\t *  @return  {Tone.Event}  this\n\t\t */\n\t    Tone.Event.prototype.start = function (time) {\n\t        time = this.toTicks(time);\n\t        if (this._state.getValueAtTime(time) === Tone.State.Stopped) {\n\t            this._state.add({\n\t                'state': Tone.State.Started,\n\t                'time': time,\n\t                'id': undefined\n\t            });\n\t            this._rescheduleEvents(time);\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Stop the Event at the given time.\n\t\t *  @param  {TimelinePosition}  time  When the note should stop.\n\t\t *  @return  {Tone.Event}  this\n\t\t */\n\t    Tone.Event.prototype.stop = function (time) {\n\t        this.cancel(time);\n\t        time = this.toTicks(time);\n\t        if (this._state.getValueAtTime(time) === Tone.State.Started) {\n\t            this._state.setStateAtTime(Tone.State.Stopped, time);\n\t            var previousEvent = this._state.getBefore(time);\n\t            var reschedulTime = time;\n\t            if (previousEvent !== null) {\n\t                reschedulTime = previousEvent.time;\n\t            }\n\t            this._rescheduleEvents(reschedulTime);\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Cancel all scheduled events greater than or equal to the given time\n\t\t *  @param  {TimelinePosition}  [time=0]  The time after which events will be cancel.\n\t\t *  @return  {Tone.Event}  this\n\t\t */\n\t    Tone.Event.prototype.cancel = function (time) {\n\t        time = this.defaultArg(time, -Infinity);\n\t        time = this.toTicks(time);\n\t        this._state.forEachFrom(time, function (event) {\n\t            Tone.Transport.clear(event.id);\n\t        });\n\t        this._state.cancel(time);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  The callback function invoker. Also \n\t\t *  checks if the Event is done playing\n\t\t *  @param  {Number}  time  The time of the event in seconds\n\t\t *  @private\n\t\t */\n\t    Tone.Event.prototype._tick = function (time) {\n\t        if (!this.mute && this._state.getValueAtTime(Tone.Transport.ticks) === Tone.State.Started) {\n\t            if (this.probability < 1 && Math.random() > this.probability) {\n\t                return;\n\t            }\n\t            if (this.humanize) {\n\t                var variation = 0.02;\n\t                if (!this.isBoolean(this.humanize)) {\n\t                    variation = this.toSeconds(this.humanize);\n\t                }\n\t                time += (Math.random() * 2 - 1) * variation;\n\t            }\n\t            this.callback(time, this.value);\n\t        }\n\t    };\n\t    /**\n\t\t *  Get the duration of the loop.\n\t\t *  @return  {Ticks}\n\t\t *  @private\n\t\t */\n\t    Tone.Event.prototype._getLoopDuration = function () {\n\t        return Math.round((this._loopEnd - this._loopStart) / this._playbackRate);\n\t    };\n\t    /**\n\t\t *  If the note should loop or not\n\t\t *  between Tone.Event.loopStart and \n\t\t *  Tone.Event.loopEnd. An integer\n\t\t *  value corresponds to the number of\n\t\t *  loops the Event does after it starts.\n\t\t *  @memberOf Tone.Event#\n\t\t *  @type {Boolean|Positive}\n\t\t *  @name loop\n\t\t */\n\t    Object.defineProperty(Tone.Event.prototype, 'loop', {\n\t        get: function () {\n\t            return this._loop;\n\t        },\n\t        set: function (loop) {\n\t            this._loop = loop;\n\t            this._rescheduleEvents();\n\t        }\n\t    });\n\t    /**\n\t\t * \tThe playback rate of the note. Defaults to 1.\n\t\t *  @memberOf Tone.Event#\n\t\t *  @type {Positive}\n\t\t *  @name playbackRate\n\t\t *  @example\n\t\t * note.loop = true;\n\t\t * //repeat the note twice as fast\n\t\t * note.playbackRate = 2;\n\t\t */\n\t    Object.defineProperty(Tone.Event.prototype, 'playbackRate', {\n\t        get: function () {\n\t            return this._playbackRate;\n\t        },\n\t        set: function (rate) {\n\t            this._playbackRate = rate;\n\t            this._rescheduleEvents();\n\t        }\n\t    });\n\t    /**\n\t\t *  The loopEnd point is the time the event will loop\n\t\t *  if Tone.Event.loop is true.\n\t\t *  @memberOf Tone.Event#\n\t\t *  @type {TransportTime}\n\t\t *  @name loopEnd\n\t\t */\n\t    Object.defineProperty(Tone.Event.prototype, 'loopEnd', {\n\t        get: function () {\n\t            return Tone.TransportTime(this._loopEnd, 'i').toNotation();\n\t        },\n\t        set: function (loopEnd) {\n\t            this._loopEnd = this.toTicks(loopEnd);\n\t            if (this._loop) {\n\t                this._rescheduleEvents();\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t *  The time when the loop should start. \n\t\t *  @memberOf Tone.Event#\n\t\t *  @type {TransportTime}\n\t\t *  @name loopStart\n\t\t */\n\t    Object.defineProperty(Tone.Event.prototype, 'loopStart', {\n\t        get: function () {\n\t            return Tone.TransportTime(this._loopStart, 'i').toNotation();\n\t        },\n\t        set: function (loopStart) {\n\t            this._loopStart = this.toTicks(loopStart);\n\t            if (this._loop) {\n\t                this._rescheduleEvents();\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t *  The current progress of the loop interval.\n\t\t *  Returns 0 if the event is not started yet or\n\t\t *  it is not set to loop.\n\t\t *  @memberOf Tone.Event#\n\t\t *  @type {NormalRange}\n\t\t *  @name progress\n\t\t *  @readOnly\n\t\t */\n\t    Object.defineProperty(Tone.Event.prototype, 'progress', {\n\t        get: function () {\n\t            if (this._loop) {\n\t                var ticks = Tone.Transport.ticks;\n\t                var lastEvent = this._state.get(ticks);\n\t                if (lastEvent !== null && lastEvent.state === Tone.State.Started) {\n\t                    var loopDuration = this._getLoopDuration();\n\t                    var progress = (ticks - lastEvent.time) % loopDuration;\n\t                    return progress / loopDuration;\n\t                } else {\n\t                    return 0;\n\t                }\n\t            } else {\n\t                return 0;\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t *  Clean up\n\t\t *  @return  {Tone.Event}  this\n\t\t */\n\t    Tone.Event.prototype.dispose = function () {\n\t        this.cancel();\n\t        this._state.dispose();\n\t        this._state = null;\n\t        this.callback = null;\n\t        this.value = null;\n\t    };\n\t    return Tone.Event;\n\t});\n\tModule(function (Tone) {\n\t    /**\n\t\t *  @class Tone.Loop creates a looped callback at the \n\t\t *         specified interval. The callback can be \n\t\t *         started, stopped and scheduled along\n\t\t *         the Transport's timeline. \n\t\t *  @example\n\t\t * var loop = new Tone.Loop(function(time){\n\t\t * \t//triggered every eighth note. \n\t\t * \tconsole.log(time);\n\t\t * }, \"8n\").start(0);\n\t\t * Tone.Transport.start();\n\t\t *  @extends {Tone}\n\t\t *  @param {Function} callback The callback to invoke with the event.\n\t\t *  @param {Time} interval The time between successive callback calls. \n\t\t */\n\t    Tone.Loop = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'callback',\n\t            'interval'\n\t        ], Tone.Loop.defaults);\n\t        /**\n\t\t\t *  The event which produces the callbacks\n\t\t\t */\n\t        this._event = new Tone.Event({\n\t            'callback': this._tick.bind(this),\n\t            'loop': true,\n\t            'loopEnd': options.interval,\n\t            'playbackRate': options.playbackRate,\n\t            'probability': options.probability\n\t        });\n\t        /**\n\t\t\t *  The callback to invoke with the next event in the pattern\n\t\t\t *  @type {Function}\n\t\t\t */\n\t        this.callback = options.callback;\n\t        //set the iterations\n\t        this.iterations = options.iterations;\n\t    };\n\t    Tone.extend(Tone.Loop);\n\t    /**\n\t\t *  The defaults\n\t\t *  @const\n\t\t *  @type  {Object}\n\t\t */\n\t    Tone.Loop.defaults = {\n\t        'interval': '4n',\n\t        'callback': Tone.noOp,\n\t        'playbackRate': 1,\n\t        'iterations': Infinity,\n\t        'probability': true,\n\t        'mute': false\n\t    };\n\t    /**\n\t\t *  Start the loop at the specified time along the Transport's\n\t\t *  timeline.\n\t\t *  @param  {TimelinePosition=}  time  When to start the Loop.\n\t\t *  @return  {Tone.Loop}  this\n\t\t */\n\t    Tone.Loop.prototype.start = function (time) {\n\t        this._event.start(time);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Stop the loop at the given time.\n\t\t *  @param  {TimelinePosition=}  time  When to stop the Arpeggio\n\t\t *  @return  {Tone.Loop}  this\n\t\t */\n\t    Tone.Loop.prototype.stop = function (time) {\n\t        this._event.stop(time);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Cancel all scheduled events greater than or equal to the given time\n\t\t *  @param  {TimelinePosition}  [time=0]  The time after which events will be cancel.\n\t\t *  @return  {Tone.Loop}  this\n\t\t */\n\t    Tone.Loop.prototype.cancel = function (time) {\n\t        this._event.cancel(time);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Internal function called when the notes should be called\n\t\t *  @param  {Number}  time  The time the event occurs\n\t\t *  @private\n\t\t */\n\t    Tone.Loop.prototype._tick = function (time) {\n\t        this.callback(time);\n\t    };\n\t    /**\n\t\t *  The state of the Loop, either started or stopped.\n\t\t *  @memberOf Tone.Loop#\n\t\t *  @type {String}\n\t\t *  @name state\n\t\t *  @readOnly\n\t\t */\n\t    Object.defineProperty(Tone.Loop.prototype, 'state', {\n\t        get: function () {\n\t            return this._event.state;\n\t        }\n\t    });\n\t    /**\n\t\t *  The progress of the loop as a value between 0-1. 0, when\n\t\t *  the loop is stopped or done iterating. \n\t\t *  @memberOf Tone.Loop#\n\t\t *  @type {NormalRange}\n\t\t *  @name progress\n\t\t *  @readOnly\n\t\t */\n\t    Object.defineProperty(Tone.Loop.prototype, 'progress', {\n\t        get: function () {\n\t            return this._event.progress;\n\t        }\n\t    });\n\t    /**\n\t\t *  The time between successive callbacks. \n\t\t *  @example\n\t\t * loop.interval = \"8n\"; //loop every 8n\n\t\t *  @memberOf Tone.Loop#\n\t\t *  @type {Time}\n\t\t *  @name interval\n\t\t */\n\t    Object.defineProperty(Tone.Loop.prototype, 'interval', {\n\t        get: function () {\n\t            return this._event.loopEnd;\n\t        },\n\t        set: function (interval) {\n\t            this._event.loopEnd = interval;\n\t        }\n\t    });\n\t    /**\n\t\t *  The playback rate of the loop. The normal playback rate is 1 (no change). \n\t\t *  A `playbackRate` of 2 would be twice as fast. \n\t\t *  @memberOf Tone.Loop#\n\t\t *  @type {Time}\n\t\t *  @name playbackRate\n\t\t */\n\t    Object.defineProperty(Tone.Loop.prototype, 'playbackRate', {\n\t        get: function () {\n\t            return this._event.playbackRate;\n\t        },\n\t        set: function (rate) {\n\t            this._event.playbackRate = rate;\n\t        }\n\t    });\n\t    /**\n\t\t *  Random variation +/-0.01s to the scheduled time. \n\t\t *  Or give it a time value which it will randomize by.\n\t\t *  @type {Boolean|Time}\n\t\t *  @memberOf Tone.Loop#\n\t\t *  @name humanize\n\t\t */\n\t    Object.defineProperty(Tone.Loop.prototype, 'humanize', {\n\t        get: function () {\n\t            return this._event.humanize;\n\t        },\n\t        set: function (variation) {\n\t            this._event.humanize = variation;\n\t        }\n\t    });\n\t    /**\n\t\t *  The probably of the callback being invoked.\n\t\t *  @memberOf Tone.Loop#\n\t\t *  @type {NormalRange}\n\t\t *  @name probability\n\t\t */\n\t    Object.defineProperty(Tone.Loop.prototype, 'probability', {\n\t        get: function () {\n\t            return this._event.probability;\n\t        },\n\t        set: function (prob) {\n\t            this._event.probability = prob;\n\t        }\n\t    });\n\t    /**\n\t\t *  Muting the Loop means that no callbacks are invoked.\n\t\t *  @memberOf Tone.Loop#\n\t\t *  @type {Boolean}\n\t\t *  @name mute\n\t\t */\n\t    Object.defineProperty(Tone.Loop.prototype, 'mute', {\n\t        get: function () {\n\t            return this._event.mute;\n\t        },\n\t        set: function (mute) {\n\t            this._event.mute = mute;\n\t        }\n\t    });\n\t    /**\n\t\t *  The number of iterations of the loop. The default\n\t\t *  value is Infinity (loop forever).\n\t\t *  @memberOf Tone.Loop#\n\t\t *  @type {Positive}\n\t\t *  @name iterations\n\t\t */\n\t    Object.defineProperty(Tone.Loop.prototype, 'iterations', {\n\t        get: function () {\n\t            if (this._event.loop === true) {\n\t                return Infinity;\n\t            } else {\n\t                return this._event.loop;\n\t            }\n\t            return this._pattern.index;\n\t        },\n\t        set: function (iters) {\n\t            if (iters === Infinity) {\n\t                this._event.loop = true;\n\t            } else {\n\t                this._event.loop = iters;\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t *  Clean up\n\t\t *  @return  {Tone.Loop}  this\n\t\t */\n\t    Tone.Loop.prototype.dispose = function () {\n\t        this._event.dispose();\n\t        this._event = null;\n\t        this.callback = null;\n\t    };\n\t    return Tone.Loop;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Tone.Part is a collection Tone.Events which can be\n\t\t *         started/stoped and looped as a single unit.\n\t\t *\n\t\t *  @extends {Tone.Event}\n\t\t *  @param {Function} callback The callback to invoke on each event\n\t\t *  @param {Array} events the array of events\n\t\t *  @example\n\t\t * var part = new Tone.Part(function(time, note){\n\t\t * \t//the notes given as the second element in the array\n\t\t * \t//will be passed in as the second argument\n\t\t * \tsynth.triggerAttackRelease(note, \"8n\", time);\n\t\t * }, [[0, \"C2\"], [\"0:2\", \"C3\"], [\"0:3:2\", \"G2\"]]);\n\t\t *  @example\n\t\t * //use an array of objects as long as the object has a \"time\" attribute\n\t\t * var part = new Tone.Part(function(time, value){\n\t\t * \t//the value is an object which contains both the note and the velocity\n\t\t * \tsynth.triggerAttackRelease(value.note, \"8n\", time, value.velocity);\n\t\t * }, [{\"time\" : 0, \"note\" : \"C3\", \"velocity\": 0.9}, \n\t\t * \t   {\"time\" : \"0:2\", \"note\" : \"C4\", \"velocity\": 0.5}\n\t\t * ]).start(0);\n\t\t */\n\t    Tone.Part = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'callback',\n\t            'events'\n\t        ], Tone.Part.defaults);\n\t        /**\n\t\t\t *  If the part is looping or not\n\t\t\t *  @type  {Boolean|Positive}\n\t\t\t *  @private\n\t\t\t */\n\t        this._loop = options.loop;\n\t        /**\n\t\t\t *  When the note is scheduled to start.\n\t\t\t *  @type  {Ticks}\n\t\t\t *  @private\n\t\t\t */\n\t        this._loopStart = this.toTicks(options.loopStart);\n\t        /**\n\t\t\t *  When the note is scheduled to start.\n\t\t\t *  @type  {Ticks}\n\t\t\t *  @private\n\t\t\t */\n\t        this._loopEnd = this.toTicks(options.loopEnd);\n\t        /**\n\t\t\t *  The playback rate of the part\n\t\t\t *  @type  {Positive}\n\t\t\t *  @private\n\t\t\t */\n\t        this._playbackRate = options.playbackRate;\n\t        /**\n\t\t\t *  private holder of probability value\n\t\t\t *  @type {NormalRange}\n\t\t\t *  @private\n\t\t\t */\n\t        this._probability = options.probability;\n\t        /**\n\t\t\t *  the amount of variation from the\n\t\t\t *  given time. \n\t\t\t *  @type {Boolean|Time}\n\t\t\t *  @private\n\t\t\t */\n\t        this._humanize = options.humanize;\n\t        /**\n\t\t\t *  The start offset\n\t\t\t *  @type {Ticks}\n\t\t\t *  @private\n\t\t\t */\n\t        this._startOffset = 0;\n\t        /**\n\t\t\t *  Keeps track of the current state\n\t\t\t *  @type {Tone.TimelineState}\n\t\t\t *  @private\n\t\t\t */\n\t        this._state = new Tone.TimelineState(Tone.State.Stopped);\n\t        /**\n\t\t\t *  An array of Objects. \n\t\t\t *  @type  {Array}\n\t\t\t *  @private\n\t\t\t */\n\t        this._events = [];\n\t        /**\n\t\t\t *  The callback to invoke at all the scheduled events.\n\t\t\t *  @type {Function}\n\t\t\t */\n\t        this.callback = options.callback;\n\t        /**\n\t\t\t *  If mute is true, the callback won't be\n\t\t\t *  invoked.\n\t\t\t *  @type {Boolean}\n\t\t\t */\n\t        this.mute = options.mute;\n\t        //add the events\n\t        var events = this.defaultArg(options.events, []);\n\t        if (!this.isUndef(options.events)) {\n\t            for (var i = 0; i < events.length; i++) {\n\t                if (Array.isArray(events[i])) {\n\t                    this.add(events[i][0], events[i][1]);\n\t                } else {\n\t                    this.add(events[i]);\n\t                }\n\t            }\n\t        }\n\t    };\n\t    Tone.extend(Tone.Part, Tone.Event);\n\t    /**\n\t\t *  The default values\n\t\t *  @type  {Object}\n\t\t *  @const\n\t\t */\n\t    Tone.Part.defaults = {\n\t        'callback': Tone.noOp,\n\t        'loop': false,\n\t        'loopEnd': '1m',\n\t        'loopStart': 0,\n\t        'playbackRate': 1,\n\t        'probability': 1,\n\t        'humanize': false,\n\t        'mute': false\n\t    };\n\t    /**\n\t\t *  Start the part at the given time. \n\t\t *  @param  {TransportTime}  time    When to start the part.\n\t\t *  @param  {Time=}  offset  The offset from the start of the part\n\t\t *                           to begin playing at.\n\t\t *  @return  {Tone.Part}  this\n\t\t */\n\t    Tone.Part.prototype.start = function (time, offset) {\n\t        var ticks = this.toTicks(time);\n\t        if (this._state.getValueAtTime(ticks) !== Tone.State.Started) {\n\t            if (this._loop) {\n\t                offset = this.defaultArg(offset, this._loopStart);\n\t            } else {\n\t                offset = this.defaultArg(offset, 0);\n\t            }\n\t            offset = this.toTicks(offset);\n\t            this._state.add({\n\t                'state': Tone.State.Started,\n\t                'time': ticks,\n\t                'offset': offset\n\t            });\n\t            this._forEach(function (event) {\n\t                this._startNote(event, ticks, offset);\n\t            });\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Start the event in the given event at the correct time given\n\t\t *  the ticks and offset and looping.\n\t\t *  @param  {Tone.Event}  event \n\t\t *  @param  {Ticks}  ticks\n\t\t *  @param  {Ticks}  offset\n\t\t *  @private\n\t\t */\n\t    Tone.Part.prototype._startNote = function (event, ticks, offset) {\n\t        ticks -= offset;\n\t        if (this._loop) {\n\t            if (event.startOffset >= this._loopStart && event.startOffset < this._loopEnd) {\n\t                if (event.startOffset < offset) {\n\t                    //start it on the next loop\n\t                    ticks += this._getLoopDuration();\n\t                }\n\t                event.start(Tone.TransportTime(ticks, 'i'));\n\t            } else if (event.startOffset < this._loopStart && event.startOffset >= offset) {\n\t                event.loop = false;\n\t                event.start(Tone.TransportTime(ticks, 'i'));\n\t            }\n\t        } else {\n\t            if (event.startOffset >= offset) {\n\t                event.start(Tone.TransportTime(ticks, 'i'));\n\t            }\n\t        }\n\t    };\n\t    /**\n\t\t *  The start from the scheduled start time\n\t\t *  @type {Ticks}\n\t\t *  @memberOf Tone.Part#\n\t\t *  @name startOffset\n\t\t *  @private\n\t\t */\n\t    Object.defineProperty(Tone.Part.prototype, 'startOffset', {\n\t        get: function () {\n\t            return this._startOffset;\n\t        },\n\t        set: function (offset) {\n\t            this._startOffset = offset;\n\t            this._forEach(function (event) {\n\t                event.startOffset += this._startOffset;\n\t            });\n\t        }\n\t    });\n\t    /**\n\t\t *  Stop the part at the given time.\n\t\t *  @param  {TimelinePosition}  time  When to stop the part.\n\t\t *  @return  {Tone.Part}  this\n\t\t */\n\t    Tone.Part.prototype.stop = function (time) {\n\t        var ticks = this.toTicks(time);\n\t        this._state.cancel(ticks);\n\t        this._state.setStateAtTime(Tone.State.Stopped, ticks);\n\t        this._forEach(function (event) {\n\t            event.stop(time);\n\t        });\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Get/Set an Event's value at the given time. \n\t\t *  If a value is passed in and no event exists at\n\t\t *  the given time, one will be created with that value. \n\t\t *  If two events are at the same time, the first one will\n\t\t *  be returned.\n\t\t *  @example\n\t\t * part.at(\"1m\"); //returns the part at the first measure\n\t\t *\n\t\t * part.at(\"2m\", \"C2\"); //set the value at \"2m\" to C2. \n\t\t * //if an event didn't exist at that time, it will be created.\n\t\t *  @param {TransportTime} time The time of the event to get or set.\n\t\t *  @param {*=} value If a value is passed in, the value of the\n\t\t *                    event at the given time will be set to it.\n\t\t *  @return {Tone.Event} the event at the time\n\t\t */\n\t    Tone.Part.prototype.at = function (time, value) {\n\t        time = Tone.TransportTime(time);\n\t        var tickTime = Tone.Time(1, 'i').toSeconds();\n\t        for (var i = 0; i < this._events.length; i++) {\n\t            var event = this._events[i];\n\t            if (Math.abs(time.toTicks() - event.startOffset) < tickTime) {\n\t                if (!this.isUndef(value)) {\n\t                    event.value = value;\n\t                }\n\t                return event;\n\t            }\n\t        }\n\t        //if there was no event at that time, create one\n\t        if (!this.isUndef(value)) {\n\t            this.add(time, value);\n\t            //return the new event\n\t            return this._events[this._events.length - 1];\n\t        } else {\n\t            return null;\n\t        }\n\t    };\n\t    /**\n\t\t *  Add a an event to the part. \n\t\t *  @param {Time} time The time the note should start.\n\t\t *                            If an object is passed in, it should\n\t\t *                            have a 'time' attribute and the rest\n\t\t *                            of the object will be used as the 'value'.\n\t\t *  @param  {Tone.Event|*}  value \n\t\t *  @returns {Tone.Part} this\n\t\t *  @example\n\t\t * part.add(\"1m\", \"C#+11\");\n\t\t */\n\t    Tone.Part.prototype.add = function (time, value) {\n\t        //extract the parameters\n\t        if (time.hasOwnProperty('time')) {\n\t            value = time;\n\t            time = value.time;\n\t        }\n\t        time = this.toTicks(time);\n\t        var event;\n\t        if (value instanceof Tone.Event) {\n\t            event = value;\n\t            event.callback = this._tick.bind(this);\n\t        } else {\n\t            event = new Tone.Event({\n\t                'callback': this._tick.bind(this),\n\t                'value': value\n\t            });\n\t        }\n\t        //the start offset\n\t        event.startOffset = time;\n\t        //initialize the values\n\t        event.set({\n\t            'loopEnd': this.loopEnd,\n\t            'loopStart': this.loopStart,\n\t            'loop': this.loop,\n\t            'humanize': this.humanize,\n\t            'playbackRate': this.playbackRate,\n\t            'probability': this.probability\n\t        });\n\t        this._events.push(event);\n\t        //start the note if it should be played right now\n\t        this._restartEvent(event);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Restart the given event\n\t\t *  @param  {Tone.Event}  event \n\t\t *  @private\n\t\t */\n\t    Tone.Part.prototype._restartEvent = function (event) {\n\t        this._state.forEach(function (stateEvent) {\n\t            if (stateEvent.state === Tone.State.Started) {\n\t                this._startNote(event, stateEvent.time, stateEvent.offset);\n\t            } else {\n\t                //stop the note\n\t                event.stop(Tone.TransportTime(stateEvent.time, 'i'));\n\t            }\n\t        }.bind(this));\n\t    };\n\t    /**\n\t\t *  Remove an event from the part. Will recursively iterate\n\t\t *  into nested parts to find the event.\n\t\t *  @param {Time} time The time of the event\n\t\t *  @param {*} value Optionally select only a specific event value\n\t\t *  @return  {Tone.Part}  this\n\t\t */\n\t    Tone.Part.prototype.remove = function (time, value) {\n\t        //extract the parameters\n\t        if (time.hasOwnProperty('time')) {\n\t            value = time;\n\t            time = value.time;\n\t        }\n\t        time = this.toTicks(time);\n\t        for (var i = this._events.length - 1; i >= 0; i--) {\n\t            var event = this._events[i];\n\t            if (event instanceof Tone.Part) {\n\t                event.remove(time, value);\n\t            } else {\n\t                if (event.startOffset === time) {\n\t                    if (this.isUndef(value) || !this.isUndef(value) && event.value === value) {\n\t                        this._events.splice(i, 1);\n\t                        event.dispose();\n\t                    }\n\t                }\n\t            }\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Remove all of the notes from the group. \n\t\t *  @return  {Tone.Part}  this\n\t\t */\n\t    Tone.Part.prototype.removeAll = function () {\n\t        this._forEach(function (event) {\n\t            event.dispose();\n\t        });\n\t        this._events = [];\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Cancel scheduled state change events: i.e. \"start\" and \"stop\".\n\t\t *  @param {TimelinePosition} after The time after which to cancel the scheduled events.\n\t\t *  @return  {Tone.Part}  this\n\t\t */\n\t    Tone.Part.prototype.cancel = function (after) {\n\t        after = this.toTicks(after);\n\t        this._forEach(function (event) {\n\t            event.cancel(after);\n\t        });\n\t        this._state.cancel(after);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Iterate over all of the events\n\t\t *  @param {Function} callback\n\t\t *  @param {Object} ctx The context\n\t\t *  @private\n\t\t */\n\t    Tone.Part.prototype._forEach = function (callback, ctx) {\n\t        ctx = this.defaultArg(ctx, this);\n\t        for (var i = this._events.length - 1; i >= 0; i--) {\n\t            var e = this._events[i];\n\t            if (e instanceof Tone.Part) {\n\t                e._forEach(callback, ctx);\n\t            } else {\n\t                callback.call(ctx, e);\n\t            }\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Set the attribute of all of the events\n\t\t *  @param  {String}  attr  the attribute to set\n\t\t *  @param  {*}  value      The value to set it to\n\t\t *  @private\n\t\t */\n\t    Tone.Part.prototype._setAll = function (attr, value) {\n\t        this._forEach(function (event) {\n\t            event[attr] = value;\n\t        });\n\t    };\n\t    /**\n\t\t *  Internal tick method\n\t\t *  @param  {Number}  time  The time of the event in seconds\n\t\t *  @private\n\t\t */\n\t    Tone.Part.prototype._tick = function (time, value) {\n\t        if (!this.mute) {\n\t            this.callback(time, value);\n\t        }\n\t    };\n\t    /**\n\t\t *  Determine if the event should be currently looping\n\t\t *  given the loop boundries of this Part.\n\t\t *  @param  {Tone.Event}  event  The event to test\n\t\t *  @private\n\t\t */\n\t    Tone.Part.prototype._testLoopBoundries = function (event) {\n\t        if (event.startOffset < this._loopStart || event.startOffset >= this._loopEnd) {\n\t            event.cancel(0);\n\t        } else {\n\t            //reschedule it if it's stopped\n\t            if (event.state === Tone.State.Stopped) {\n\t                this._restartEvent(event);\n\t            }\n\t        }\n\t    };\n\t    /**\n\t\t *  The probability of the notes being triggered.\n\t\t *  @memberOf Tone.Part#\n\t\t *  @type {NormalRange}\n\t\t *  @name probability\n\t\t */\n\t    Object.defineProperty(Tone.Part.prototype, 'probability', {\n\t        get: function () {\n\t            return this._probability;\n\t        },\n\t        set: function (prob) {\n\t            this._probability = prob;\n\t            this._setAll('probability', prob);\n\t        }\n\t    });\n\t    /**\n\t\t *  If set to true, will apply small random variation\n\t\t *  to the callback time. If the value is given as a time, it will randomize\n\t\t *  by that amount.\n\t\t *  @example\n\t\t * event.humanize = true;\n\t\t *  @type {Boolean|Time}\n\t\t *  @name humanize\n\t\t */\n\t    Object.defineProperty(Tone.Part.prototype, 'humanize', {\n\t        get: function () {\n\t            return this._humanize;\n\t        },\n\t        set: function (variation) {\n\t            this._humanize = variation;\n\t            this._setAll('humanize', variation);\n\t        }\n\t    });\n\t    /**\n\t\t *  If the part should loop or not\n\t\t *  between Tone.Part.loopStart and \n\t\t *  Tone.Part.loopEnd. An integer\n\t\t *  value corresponds to the number of\n\t\t *  loops the Part does after it starts.\n\t\t *  @memberOf Tone.Part#\n\t\t *  @type {Boolean|Positive}\n\t\t *  @name loop\n\t\t *  @example\n\t\t * //loop the part 8 times\n\t\t * part.loop = 8;\n\t\t */\n\t    Object.defineProperty(Tone.Part.prototype, 'loop', {\n\t        get: function () {\n\t            return this._loop;\n\t        },\n\t        set: function (loop) {\n\t            this._loop = loop;\n\t            this._forEach(function (event) {\n\t                event._loopStart = this._loopStart;\n\t                event._loopEnd = this._loopEnd;\n\t                event.loop = loop;\n\t                this._testLoopBoundries(event);\n\t            });\n\t        }\n\t    });\n\t    /**\n\t\t *  The loopEnd point determines when it will \n\t\t *  loop if Tone.Part.loop is true.\n\t\t *  @memberOf Tone.Part#\n\t\t *  @type {TransportTime}\n\t\t *  @name loopEnd\n\t\t */\n\t    Object.defineProperty(Tone.Part.prototype, 'loopEnd', {\n\t        get: function () {\n\t            return Tone.TransportTime(this._loopEnd, 'i').toNotation();\n\t        },\n\t        set: function (loopEnd) {\n\t            this._loopEnd = this.toTicks(loopEnd);\n\t            if (this._loop) {\n\t                this._forEach(function (event) {\n\t                    event.loopEnd = loopEnd;\n\t                    this._testLoopBoundries(event);\n\t                });\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t *  The loopStart point determines when it will \n\t\t *  loop if Tone.Part.loop is true.\n\t\t *  @memberOf Tone.Part#\n\t\t *  @type {TransportTime}\n\t\t *  @name loopStart\n\t\t */\n\t    Object.defineProperty(Tone.Part.prototype, 'loopStart', {\n\t        get: function () {\n\t            return Tone.TransportTime(this._loopStart, 'i').toNotation();\n\t        },\n\t        set: function (loopStart) {\n\t            this._loopStart = this.toTicks(loopStart);\n\t            if (this._loop) {\n\t                this._forEach(function (event) {\n\t                    event.loopStart = this.loopStart;\n\t                    this._testLoopBoundries(event);\n\t                });\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t * \tThe playback rate of the part\n\t\t *  @memberOf Tone.Part#\n\t\t *  @type {Positive}\n\t\t *  @name playbackRate\n\t\t */\n\t    Object.defineProperty(Tone.Part.prototype, 'playbackRate', {\n\t        get: function () {\n\t            return this._playbackRate;\n\t        },\n\t        set: function (rate) {\n\t            this._playbackRate = rate;\n\t            this._setAll('playbackRate', rate);\n\t        }\n\t    });\n\t    /**\n\t\t * \tThe number of scheduled notes in the part. \n\t\t *  @memberOf Tone.Part#\n\t\t *  @type {Positive}\n\t\t *  @name length\n\t\t *  @readOnly\n\t\t */\n\t    Object.defineProperty(Tone.Part.prototype, 'length', {\n\t        get: function () {\n\t            return this._events.length;\n\t        }\n\t    });\n\t    /**\n\t\t *  Clean up\n\t\t *  @return  {Tone.Part}  this\n\t\t */\n\t    Tone.Part.prototype.dispose = function () {\n\t        this.removeAll();\n\t        this._state.dispose();\n\t        this._state = null;\n\t        this.callback = null;\n\t        this._events = null;\n\t        return this;\n\t    };\n\t    return Tone.Part;\n\t});\n\tModule(function (Tone) {\n\t    /**\n\t\t *  @class Tone.Pattern arpeggiates between the given notes\n\t\t *         in a number of patterns. See Tone.CtrlPattern for\n\t\t *         a full list of patterns.\n\t\t *  @example\n\t\t * var pattern = new Tone.Pattern(function(time, note){\n\t\t *   //the order of the notes passed in depends on the pattern\n\t\t * }, [\"C2\", \"D4\", \"E5\", \"A6\"], \"upDown\");\n\t\t *  @extends {Tone.Loop}\n\t\t *  @param {Function} callback The callback to invoke with the\n\t\t *                             event.\n\t\t *  @param {Array} values The values to arpeggiate over.\n\t\t */\n\t    Tone.Pattern = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'callback',\n\t            'values',\n\t            'pattern'\n\t        ], Tone.Pattern.defaults);\n\t        Tone.Loop.call(this, options);\n\t        /**\n\t\t\t *  The pattern manager\n\t\t\t *  @type {Tone.CtrlPattern}\n\t\t\t *  @private\n\t\t\t */\n\t        this._pattern = new Tone.CtrlPattern({\n\t            'values': options.values,\n\t            'type': options.pattern,\n\t            'index': options.index\n\t        });\n\t    };\n\t    Tone.extend(Tone.Pattern, Tone.Loop);\n\t    /**\n\t\t *  The defaults\n\t\t *  @const\n\t\t *  @type  {Object}\n\t\t */\n\t    Tone.Pattern.defaults = {\n\t        'pattern': Tone.CtrlPattern.Type.Up,\n\t        'values': []\n\t    };\n\t    /**\n\t\t *  Internal function called when the notes should be called\n\t\t *  @param  {Number}  time  The time the event occurs\n\t\t *  @private\n\t\t */\n\t    Tone.Pattern.prototype._tick = function (time) {\n\t        this.callback(time, this._pattern.value);\n\t        this._pattern.next();\n\t    };\n\t    /**\n\t\t *  The current index in the values array.\n\t\t *  @memberOf Tone.Pattern#\n\t\t *  @type {Positive}\n\t\t *  @name index\n\t\t */\n\t    Object.defineProperty(Tone.Pattern.prototype, 'index', {\n\t        get: function () {\n\t            return this._pattern.index;\n\t        },\n\t        set: function (i) {\n\t            this._pattern.index = i;\n\t        }\n\t    });\n\t    /**\n\t\t *  The array of events.\n\t\t *  @memberOf Tone.Pattern#\n\t\t *  @type {Array}\n\t\t *  @name values\n\t\t */\n\t    Object.defineProperty(Tone.Pattern.prototype, 'values', {\n\t        get: function () {\n\t            return this._pattern.values;\n\t        },\n\t        set: function (vals) {\n\t            this._pattern.values = vals;\n\t        }\n\t    });\n\t    /**\n\t\t *  The current value of the pattern.\n\t\t *  @memberOf Tone.Pattern#\n\t\t *  @type {*}\n\t\t *  @name value\n\t\t *  @readOnly\n\t\t */\n\t    Object.defineProperty(Tone.Pattern.prototype, 'value', {\n\t        get: function () {\n\t            return this._pattern.value;\n\t        }\n\t    });\n\t    /**\n\t\t *  The pattern type. See Tone.CtrlPattern for the full list of patterns.\n\t\t *  @memberOf Tone.Pattern#\n\t\t *  @type {String}\n\t\t *  @name pattern\n\t\t */\n\t    Object.defineProperty(Tone.Pattern.prototype, 'pattern', {\n\t        get: function () {\n\t            return this._pattern.type;\n\t        },\n\t        set: function (pattern) {\n\t            this._pattern.type = pattern;\n\t        }\n\t    });\n\t    /**\n\t\t *  Clean up\n\t\t *  @return  {Tone.Pattern}  this\n\t\t */\n\t    Tone.Pattern.prototype.dispose = function () {\n\t        Tone.Loop.prototype.dispose.call(this);\n\t        this._pattern.dispose();\n\t        this._pattern = null;\n\t    };\n\t    return Tone.Pattern;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class A sequence is an alternate notation of a part. Instead\n\t\t *         of passing in an array of [time, event] pairs, pass\n\t\t *         in an array of events which will be spaced at the\n\t\t *         given subdivision. Sub-arrays will subdivide that beat\n\t\t *         by the number of items are in the array. \n\t\t *         Sequence notation inspiration from [Tidal](http://yaxu.org/tidal/)\n\t\t *  @param  {Function}  callback  The callback to invoke with every note\n\t\t *  @param  {Array}    events  The sequence\n\t\t *  @param  {Time} subdivision  The subdivision between which events are placed. \n\t\t *  @extends {Tone.Part}\n\t\t *  @example\n\t\t * var seq = new Tone.Sequence(function(time, note){\n\t\t * \tconsole.log(note);\n\t\t * //straight quater notes\n\t\t * }, [\"C4\", \"E4\", \"G4\", \"A4\"], \"4n\");\n\t\t *  @example\n\t\t * var seq = new Tone.Sequence(function(time, note){\n\t\t * \tconsole.log(note);\n\t\t * //subdivisions are given as subarrays\n\t\t * }, [\"C4\", [\"E4\", \"D4\", \"E4\"], \"G4\", [\"A4\", \"G4\"]]);\n\t\t */\n\t    Tone.Sequence = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'callback',\n\t            'events',\n\t            'subdivision'\n\t        ], Tone.Sequence.defaults);\n\t        //remove the events\n\t        var events = options.events;\n\t        delete options.events;\n\t        Tone.Part.call(this, options);\n\t        /**\n\t\t\t *  The subdivison of each note\n\t\t\t *  @type  {Ticks}\n\t\t\t *  @private\n\t\t\t */\n\t        this._subdivision = this.toTicks(options.subdivision);\n\t        //if no time was passed in, the loop end is the end of the cycle\n\t        if (this.isUndef(options.loopEnd) && !this.isUndef(events)) {\n\t            this._loopEnd = events.length * this._subdivision;\n\t        }\n\t        //defaults to looping\n\t        this._loop = true;\n\t        //add all of the events\n\t        if (!this.isUndef(events)) {\n\t            for (var i = 0; i < events.length; i++) {\n\t                this.add(i, events[i]);\n\t            }\n\t        }\n\t    };\n\t    Tone.extend(Tone.Sequence, Tone.Part);\n\t    /**\n\t\t *  The default values.\n\t\t *  @type  {Object}\n\t\t */\n\t    Tone.Sequence.defaults = { 'subdivision': '4n' };\n\t    /**\n\t\t *  The subdivision of the sequence. This can only be \n\t\t *  set in the constructor. The subdivision is the \n\t\t *  interval between successive steps. \n\t\t *  @type {Time}\n\t\t *  @memberOf Tone.Sequence#\n\t\t *  @name subdivision\n\t\t *  @readOnly\n\t\t */\n\t    Object.defineProperty(Tone.Sequence.prototype, 'subdivision', {\n\t        get: function () {\n\t            return Tone.Time(this._subdivision, 'i').toNotation();\n\t        }\n\t    });\n\t    /**\n\t\t *  Get/Set an index of the sequence. If the index contains a subarray, \n\t\t *  a Tone.Sequence representing that sub-array will be returned. \n\t\t *  @example\n\t\t * var sequence = new Tone.Sequence(playNote, [\"E4\", \"C4\", \"F#4\", [\"A4\", \"Bb3\"]])\n\t\t * sequence.at(0)// => returns \"E4\"\n\t\t * //set a value\n\t\t * sequence.at(0, \"G3\");\n\t\t * //get a nested sequence\n\t\t * sequence.at(3).at(1)// => returns \"Bb3\"\n\t\t * @param {Positive} index The index to get or set\n\t\t * @param {*} value Optionally pass in the value to set at the given index.\n\t\t */\n\t    Tone.Sequence.prototype.at = function (index, value) {\n\t        //if the value is an array, \n\t        if (this.isArray(value)) {\n\t            //remove the current event at that index\n\t            this.remove(index);\n\t        }\n\t        //call the parent's method\n\t        return Tone.Part.prototype.at.call(this, this._indexTime(index), value);\n\t    };\n\t    /**\n\t\t *  Add an event at an index, if there's already something\n\t\t *  at that index, overwrite it. If `value` is an array, \n\t\t *  it will be parsed as a subsequence.\n\t\t *  @param {Number} index The index to add the event to\n\t\t *  @param {*} value The value to add at that index\n\t\t *  @returns {Tone.Sequence} this\n\t\t */\n\t    Tone.Sequence.prototype.add = function (index, value) {\n\t        if (value === null) {\n\t            return this;\n\t        }\n\t        if (this.isArray(value)) {\n\t            //make a subsequence and add that to the sequence\n\t            var subSubdivision = Math.round(this._subdivision / value.length);\n\t            value = new Tone.Sequence(this._tick.bind(this), value, Tone.Time(subSubdivision, 'i'));\n\t        }\n\t        Tone.Part.prototype.add.call(this, this._indexTime(index), value);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Remove a value from the sequence by index\n\t\t *  @param {Number} index The index of the event to remove\n\t\t *  @returns {Tone.Sequence} this\n\t\t */\n\t    Tone.Sequence.prototype.remove = function (index, value) {\n\t        Tone.Part.prototype.remove.call(this, this._indexTime(index), value);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Get the time of the index given the Sequence's subdivision\n\t\t *  @param  {Number}  index \n\t\t *  @return  {Time}  The time of that index\n\t\t *  @private\n\t\t */\n\t    Tone.Sequence.prototype._indexTime = function (index) {\n\t        if (index instanceof Tone.TransportTime) {\n\t            return index;\n\t        } else {\n\t            return Tone.TransportTime(index * this._subdivision + this.startOffset, 'i');\n\t        }\n\t    };\n\t    /**\n\t\t *  Clean up.\n\t\t *  @return {Tone.Sequence} this\n\t\t */\n\t    Tone.Sequence.prototype.dispose = function () {\n\t        Tone.Part.prototype.dispose.call(this);\n\t        return this;\n\t    };\n\t    return Tone.Sequence;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Tone.PulseOscillator is a pulse oscillator with control over pulse width,\n\t\t *         also known as the duty cycle. At 50% duty cycle (width = 0.5) the wave is \n\t\t *         a square and only odd-numbered harmonics are present. At all other widths \n\t\t *         even-numbered harmonics are present. Read more \n\t\t *         [here](https://wigglewave.wordpress.com/2014/08/16/pulse-waveforms-and-harmonics/).\n\t\t *\n\t\t *  @constructor\n\t\t *  @extends {Tone.Oscillator}\n\t\t *  @param {Frequency} [frequency] The frequency of the oscillator\n\t\t *  @param {NormalRange} [width] The width of the pulse\n\t\t *  @example\n\t\t * var pulse = new Tone.PulseOscillator(\"E5\", 0.4).toMaster().start();\n\t\t */\n\t    Tone.PulseOscillator = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'frequency',\n\t            'width'\n\t        ], Tone.Oscillator.defaults);\n\t        Tone.Source.call(this, options);\n\t        /**\n\t\t\t *  The width of the pulse. \n\t\t\t *  @type {NormalRange}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.width = new Tone.Signal(options.width, Tone.Type.NormalRange);\n\t        /**\n\t\t\t *  gate the width amount\n\t\t\t *  @type {Tone.Gain}\n\t\t\t *  @private\n\t\t\t */\n\t        this._widthGate = new Tone.Gain();\n\t        /**\n\t\t\t *  the sawtooth oscillator\n\t\t\t *  @type {Tone.Oscillator}\n\t\t\t *  @private\n\t\t\t */\n\t        this._sawtooth = new Tone.Oscillator({\n\t            frequency: options.frequency,\n\t            detune: options.detune,\n\t            type: 'sawtooth',\n\t            phase: options.phase\n\t        });\n\t        /**\n\t\t\t *  The frequency control.\n\t\t\t *  @type {Frequency}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.frequency = this._sawtooth.frequency;\n\t        /**\n\t\t\t *  The detune in cents. \n\t\t\t *  @type {Cents}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.detune = this._sawtooth.detune;\n\t        /**\n\t\t\t *  Threshold the signal to turn it into a square\n\t\t\t *  @type {Tone.WaveShaper}\n\t\t\t *  @private\n\t\t\t */\n\t        this._thresh = new Tone.WaveShaper(function (val) {\n\t            if (val < 0) {\n\t                return -1;\n\t            } else {\n\t                return 1;\n\t            }\n\t        });\n\t        //connections\n\t        this._sawtooth.chain(this._thresh, this.output);\n\t        this.width.chain(this._widthGate, this._thresh);\n\t        this._readOnly([\n\t            'width',\n\t            'frequency',\n\t            'detune'\n\t        ]);\n\t    };\n\t    Tone.extend(Tone.PulseOscillator, Tone.Oscillator);\n\t    /**\n\t\t *  The default parameters.\n\t\t *  @static\n\t\t *  @const\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.PulseOscillator.defaults = {\n\t        'frequency': 440,\n\t        'detune': 0,\n\t        'phase': 0,\n\t        'width': 0.2\n\t    };\n\t    /**\n\t\t *  start the oscillator\n\t\t *  @param  {Time} time \n\t\t *  @private\n\t\t */\n\t    Tone.PulseOscillator.prototype._start = function (time) {\n\t        time = this.toSeconds(time);\n\t        this._sawtooth.start(time);\n\t        this._widthGate.gain.setValueAtTime(1, time);\n\t    };\n\t    /**\n\t\t *  stop the oscillator\n\t\t *  @param  {Time} time \n\t\t *  @private\n\t\t */\n\t    Tone.PulseOscillator.prototype._stop = function (time) {\n\t        time = this.toSeconds(time);\n\t        this._sawtooth.stop(time);\n\t        //the width is still connected to the output. \n\t        //that needs to be stopped also\n\t        this._widthGate.gain.setValueAtTime(0, time);\n\t    };\n\t    /**\n\t\t * The phase of the oscillator in degrees.\n\t\t * @memberOf Tone.PulseOscillator#\n\t\t * @type {Degrees}\n\t\t * @name phase\n\t\t */\n\t    Object.defineProperty(Tone.PulseOscillator.prototype, 'phase', {\n\t        get: function () {\n\t            return this._sawtooth.phase;\n\t        },\n\t        set: function (phase) {\n\t            this._sawtooth.phase = phase;\n\t        }\n\t    });\n\t    /**\n\t\t * The type of the oscillator. Always returns \"pulse\".\n\t\t * @readOnly\n\t\t * @memberOf Tone.PulseOscillator#\n\t\t * @type {string}\n\t\t * @name type\n\t\t */\n\t    Object.defineProperty(Tone.PulseOscillator.prototype, 'type', {\n\t        get: function () {\n\t            return 'pulse';\n\t        }\n\t    });\n\t    /**\n\t\t * The partials of the waveform. Cannot set partials for this waveform type\n\t\t * @memberOf Tone.PulseOscillator#\n\t\t * @type {Array}\n\t\t * @name partials\n\t\t * @private\n\t\t */\n\t    Object.defineProperty(Tone.PulseOscillator.prototype, 'partials', {\n\t        get: function () {\n\t            return [];\n\t        }\n\t    });\n\t    /**\n\t\t *  Clean up method.\n\t\t *  @return {Tone.PulseOscillator} this\n\t\t */\n\t    Tone.PulseOscillator.prototype.dispose = function () {\n\t        Tone.Source.prototype.dispose.call(this);\n\t        this._sawtooth.dispose();\n\t        this._sawtooth = null;\n\t        this._writable([\n\t            'width',\n\t            'frequency',\n\t            'detune'\n\t        ]);\n\t        this.width.dispose();\n\t        this.width = null;\n\t        this._widthGate.dispose();\n\t        this._widthGate = null;\n\t        this._thresh.dispose();\n\t        this._thresh = null;\n\t        this.frequency = null;\n\t        this.detune = null;\n\t        return this;\n\t    };\n\t    return Tone.PulseOscillator;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Tone.PWMOscillator modulates the width of a Tone.PulseOscillator \n\t\t *         at the modulationFrequency. This has the effect of continuously\n\t\t *         changing the timbre of the oscillator by altering the harmonics \n\t\t *         generated.\n\t\t *\n\t\t *  @extends {Tone.Oscillator}\n\t\t *  @constructor\n\t\t *  @param {Frequency} frequency The starting frequency of the oscillator. \n\t\t *  @param {Frequency} modulationFrequency The modulation frequency of the width of the pulse. \n\t\t *  @example\n\t\t *  var pwm = new Tone.PWMOscillator(\"Ab3\", 0.3).toMaster().start();\n\t\t */\n\t    Tone.PWMOscillator = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'frequency',\n\t            'modulationFrequency'\n\t        ], Tone.PWMOscillator.defaults);\n\t        Tone.Source.call(this, options);\n\t        /**\n\t\t\t *  the pulse oscillator\n\t\t\t *  @type {Tone.PulseOscillator}\n\t\t\t *  @private\n\t\t\t */\n\t        this._pulse = new Tone.PulseOscillator(options.modulationFrequency);\n\t        //change the pulse oscillator type\n\t        this._pulse._sawtooth.type = 'sine';\n\t        /**\n\t\t\t *  the modulator\n\t\t\t *  @type {Tone.Oscillator}\n\t\t\t *  @private\n\t\t\t */\n\t        this._modulator = new Tone.Oscillator({\n\t            'frequency': options.frequency,\n\t            'detune': options.detune,\n\t            'phase': options.phase\n\t        });\n\t        /**\n\t\t\t *  Scale the oscillator so it doesn't go silent \n\t\t\t *  at the extreme values.\n\t\t\t *  @type {Tone.Multiply}\n\t\t\t *  @private\n\t\t\t */\n\t        this._scale = new Tone.Multiply(2);\n\t        /**\n\t\t\t *  The frequency control.\n\t\t\t *  @type {Frequency}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.frequency = this._modulator.frequency;\n\t        /**\n\t\t\t *  The detune of the oscillator.\n\t\t\t *  @type {Cents}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.detune = this._modulator.detune;\n\t        /**\n\t\t\t *  The modulation rate of the oscillator. \n\t\t\t *  @type {Frequency}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.modulationFrequency = this._pulse.frequency;\n\t        //connections\n\t        this._modulator.chain(this._scale, this._pulse.width);\n\t        this._pulse.connect(this.output);\n\t        this._readOnly([\n\t            'modulationFrequency',\n\t            'frequency',\n\t            'detune'\n\t        ]);\n\t    };\n\t    Tone.extend(Tone.PWMOscillator, Tone.Oscillator);\n\t    /**\n\t\t *  default values\n\t\t *  @static\n\t\t *  @type {Object}\n\t\t *  @const\n\t\t */\n\t    Tone.PWMOscillator.defaults = {\n\t        'frequency': 440,\n\t        'detune': 0,\n\t        'phase': 0,\n\t        'modulationFrequency': 0.4\n\t    };\n\t    /**\n\t\t *  start the oscillator\n\t\t *  @param  {Time} [time=now]\n\t\t *  @private\n\t\t */\n\t    Tone.PWMOscillator.prototype._start = function (time) {\n\t        time = this.toSeconds(time);\n\t        this._modulator.start(time);\n\t        this._pulse.start(time);\n\t    };\n\t    /**\n\t\t *  stop the oscillator\n\t\t *  @param  {Time} time (optional) timing parameter\n\t\t *  @private\n\t\t */\n\t    Tone.PWMOscillator.prototype._stop = function (time) {\n\t        time = this.toSeconds(time);\n\t        this._modulator.stop(time);\n\t        this._pulse.stop(time);\n\t    };\n\t    /**\n\t\t * The type of the oscillator. Always returns \"pwm\".\n\t\t * @readOnly\n\t\t * @memberOf Tone.PWMOscillator#\n\t\t * @type {string}\n\t\t * @name type\n\t\t */\n\t    Object.defineProperty(Tone.PWMOscillator.prototype, 'type', {\n\t        get: function () {\n\t            return 'pwm';\n\t        }\n\t    });\n\t    /**\n\t\t * The partials of the waveform. Cannot set partials for this waveform type\n\t\t * @memberOf Tone.PWMOscillator#\n\t\t * @type {Array}\n\t\t * @name partials\n\t\t * @private\n\t\t */\n\t    Object.defineProperty(Tone.PWMOscillator.prototype, 'partials', {\n\t        get: function () {\n\t            return [];\n\t        }\n\t    });\n\t    /**\n\t\t * The phase of the oscillator in degrees.\n\t\t * @memberOf Tone.PWMOscillator#\n\t\t * @type {number}\n\t\t * @name phase\n\t\t */\n\t    Object.defineProperty(Tone.PWMOscillator.prototype, 'phase', {\n\t        get: function () {\n\t            return this._modulator.phase;\n\t        },\n\t        set: function (phase) {\n\t            this._modulator.phase = phase;\n\t        }\n\t    });\n\t    /**\n\t\t *  Clean up.\n\t\t *  @return {Tone.PWMOscillator} this\n\t\t */\n\t    Tone.PWMOscillator.prototype.dispose = function () {\n\t        Tone.Source.prototype.dispose.call(this);\n\t        this._pulse.dispose();\n\t        this._pulse = null;\n\t        this._scale.dispose();\n\t        this._scale = null;\n\t        this._modulator.dispose();\n\t        this._modulator = null;\n\t        this._writable([\n\t            'modulationFrequency',\n\t            'frequency',\n\t            'detune'\n\t        ]);\n\t        this.frequency = null;\n\t        this.detune = null;\n\t        this.modulationFrequency = null;\n\t        return this;\n\t    };\n\t    return Tone.PWMOscillator;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Tone.FMOscillator \n\t\t *\n\t\t *  @extends {Tone.Oscillator}\n\t\t *  @constructor\n\t\t *  @param {Frequency} frequency The starting frequency of the oscillator. \n\t\t *  @param {String} type The type of the carrier oscillator.\n\t\t *  @param {String} modulationType The type of the modulator oscillator.\n\t\t *  @example\n\t\t * //a sine oscillator frequency-modulated by a square wave\n\t\t * var fmOsc = new Tone.FMOscillator(\"Ab3\", \"sine\", \"square\").toMaster().start();\n\t\t */\n\t    Tone.FMOscillator = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'frequency',\n\t            'type',\n\t            'modulationType'\n\t        ], Tone.FMOscillator.defaults);\n\t        Tone.Source.call(this, options);\n\t        /**\n\t\t\t *  The carrier oscillator\n\t\t\t *  @type {Tone.Oscillator}\n\t\t\t *  @private\n\t\t\t */\n\t        this._carrier = new Tone.Oscillator(options.frequency, options.type);\n\t        /**\n\t\t\t *  The oscillator's frequency\n\t\t\t *  @type {Frequency}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.frequency = new Tone.Signal(options.frequency, Tone.Type.Frequency);\n\t        /**\n\t\t\t *  The detune control signal.\n\t\t\t *  @type {Cents}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.detune = this._carrier.detune;\n\t        this.detune.value = options.detune;\n\t        /**\n\t\t\t *  The modulation index which is in essence the depth or amount of the modulation. In other terms it is the \n\t\t\t *  ratio of the frequency of the modulating signal (mf) to the amplitude of the \n\t\t\t *  modulating signal (ma) -- as in ma/mf. \n\t\t\t *\t@type {Positive}\n\t\t\t *\t@signal\n\t\t\t */\n\t        this.modulationIndex = new Tone.Multiply(options.modulationIndex);\n\t        this.modulationIndex.units = Tone.Type.Positive;\n\t        /**\n\t\t\t *  The modulating oscillator\n\t\t\t *  @type  {Tone.Oscillator}\n\t\t\t *  @private\n\t\t\t */\n\t        this._modulator = new Tone.Oscillator(options.frequency, options.modulationType);\n\t        /**\n\t\t\t *  Harmonicity is the frequency ratio between the carrier and the modulator oscillators. \n\t\t\t *  A harmonicity of 1 gives both oscillators the same frequency. \n\t\t\t *  Harmonicity = 2 means a change of an octave. \n\t\t\t *  @type {Positive}\n\t\t\t *  @signal\n\t\t\t *  @example\n\t\t\t * //pitch the modulator an octave below carrier\n\t\t\t * synth.harmonicity.value = 0.5;\n\t\t\t */\n\t        this.harmonicity = new Tone.Multiply(options.harmonicity);\n\t        this.harmonicity.units = Tone.Type.Positive;\n\t        /**\n\t\t\t *  the node where the modulation happens\n\t\t\t *  @type {Tone.Gain}\n\t\t\t *  @private\n\t\t\t */\n\t        this._modulationNode = new Tone.Gain(0);\n\t        //connections\n\t        this.frequency.connect(this._carrier.frequency);\n\t        this.frequency.chain(this.harmonicity, this._modulator.frequency);\n\t        this.frequency.chain(this.modulationIndex, this._modulationNode);\n\t        this._modulator.connect(this._modulationNode.gain);\n\t        this._modulationNode.connect(this._carrier.frequency);\n\t        this._carrier.connect(this.output);\n\t        this.detune.connect(this._modulator.detune);\n\t        this.phase = options.phase;\n\t        this._readOnly([\n\t            'modulationIndex',\n\t            'frequency',\n\t            'detune',\n\t            'harmonicity'\n\t        ]);\n\t    };\n\t    Tone.extend(Tone.FMOscillator, Tone.Oscillator);\n\t    /**\n\t\t *  default values\n\t\t *  @static\n\t\t *  @type {Object}\n\t\t *  @const\n\t\t */\n\t    Tone.FMOscillator.defaults = {\n\t        'frequency': 440,\n\t        'detune': 0,\n\t        'phase': 0,\n\t        'modulationIndex': 2,\n\t        'modulationType': 'square',\n\t        'harmonicity': 1\n\t    };\n\t    /**\n\t\t *  start the oscillator\n\t\t *  @param  {Time} [time=now]\n\t\t *  @private\n\t\t */\n\t    Tone.FMOscillator.prototype._start = function (time) {\n\t        time = this.toSeconds(time);\n\t        this._modulator.start(time);\n\t        this._carrier.start(time);\n\t    };\n\t    /**\n\t\t *  stop the oscillator\n\t\t *  @param  {Time} time (optional) timing parameter\n\t\t *  @private\n\t\t */\n\t    Tone.FMOscillator.prototype._stop = function (time) {\n\t        time = this.toSeconds(time);\n\t        this._modulator.stop(time);\n\t        this._carrier.stop(time);\n\t    };\n\t    /**\n\t\t * The type of the carrier oscillator\n\t\t * @memberOf Tone.FMOscillator#\n\t\t * @type {string}\n\t\t * @name type\n\t\t */\n\t    Object.defineProperty(Tone.FMOscillator.prototype, 'type', {\n\t        get: function () {\n\t            return this._carrier.type;\n\t        },\n\t        set: function (type) {\n\t            this._carrier.type = type;\n\t        }\n\t    });\n\t    /**\n\t\t * The type of the modulator oscillator\n\t\t * @memberOf Tone.FMOscillator#\n\t\t * @type {String}\n\t\t * @name modulationType\n\t\t */\n\t    Object.defineProperty(Tone.FMOscillator.prototype, 'modulationType', {\n\t        get: function () {\n\t            return this._modulator.type;\n\t        },\n\t        set: function (type) {\n\t            this._modulator.type = type;\n\t        }\n\t    });\n\t    /**\n\t\t * The phase of the oscillator in degrees.\n\t\t * @memberOf Tone.FMOscillator#\n\t\t * @type {number}\n\t\t * @name phase\n\t\t */\n\t    Object.defineProperty(Tone.FMOscillator.prototype, 'phase', {\n\t        get: function () {\n\t            return this._carrier.phase;\n\t        },\n\t        set: function (phase) {\n\t            this._carrier.phase = phase;\n\t            this._modulator.phase = phase;\n\t        }\n\t    });\n\t    /**\n\t\t * The partials of the carrier waveform. A partial represents \n\t\t * the amplitude at a harmonic. The first harmonic is the \n\t\t * fundamental frequency, the second is the octave and so on\n\t\t * following the harmonic series. \n\t\t * Setting this value will automatically set the type to \"custom\". \n\t\t * The value is an empty array when the type is not \"custom\". \n\t\t * @memberOf Tone.FMOscillator#\n\t\t * @type {Array}\n\t\t * @name partials\n\t\t * @example\n\t\t * osc.partials = [1, 0.2, 0.01];\n\t\t */\n\t    Object.defineProperty(Tone.FMOscillator.prototype, 'partials', {\n\t        get: function () {\n\t            return this._carrier.partials;\n\t        },\n\t        set: function (partials) {\n\t            this._carrier.partials = partials;\n\t        }\n\t    });\n\t    /**\n\t\t *  Clean up.\n\t\t *  @return {Tone.FMOscillator} this\n\t\t */\n\t    Tone.FMOscillator.prototype.dispose = function () {\n\t        Tone.Source.prototype.dispose.call(this);\n\t        this._writable([\n\t            'modulationIndex',\n\t            'frequency',\n\t            'detune',\n\t            'harmonicity'\n\t        ]);\n\t        this.frequency.dispose();\n\t        this.frequency = null;\n\t        this.detune = null;\n\t        this.harmonicity.dispose();\n\t        this.harmonicity = null;\n\t        this._carrier.dispose();\n\t        this._carrier = null;\n\t        this._modulator.dispose();\n\t        this._modulator = null;\n\t        this._modulationNode.dispose();\n\t        this._modulationNode = null;\n\t        this.modulationIndex.dispose();\n\t        this.modulationIndex = null;\n\t        return this;\n\t    };\n\t    return Tone.FMOscillator;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Tone.AMOscillator \n\t\t *\n\t\t *  @extends {Tone.Oscillator}\n\t\t *  @constructor\n\t\t *  @param {Frequency} frequency The starting frequency of the oscillator. \n\t\t *  @param {String} type The type of the carrier oscillator.\n\t\t *  @param {String} modulationType The type of the modulator oscillator.\n\t\t *  @example\n\t\t * //a sine oscillator frequency-modulated by a square wave\n\t\t * var fmOsc = new Tone.AMOscillator(\"Ab3\", \"sine\", \"square\").toMaster().start();\n\t\t */\n\t    Tone.AMOscillator = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'frequency',\n\t            'type',\n\t            'modulationType'\n\t        ], Tone.AMOscillator.defaults);\n\t        Tone.Source.call(this, options);\n\t        /**\n\t\t\t *  The carrier oscillator\n\t\t\t *  @type {Tone.Oscillator}\n\t\t\t *  @private\n\t\t\t */\n\t        this._carrier = new Tone.Oscillator(options.frequency, options.type);\n\t        /**\n\t\t\t *  The oscillator's frequency\n\t\t\t *  @type {Frequency}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.frequency = this._carrier.frequency;\n\t        /**\n\t\t\t *  The detune control signal.\n\t\t\t *  @type {Cents}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.detune = this._carrier.detune;\n\t        this.detune.value = options.detune;\n\t        /**\n\t\t\t *  The modulating oscillator\n\t\t\t *  @type  {Tone.Oscillator}\n\t\t\t *  @private\n\t\t\t */\n\t        this._modulator = new Tone.Oscillator(options.frequency, options.modulationType);\n\t        /**\n\t\t\t *  convert the -1,1 output to 0,1\n\t\t\t *  @type {Tone.AudioToGain}\n\t\t\t *  @private\n\t\t\t */\n\t        this._modulationScale = new Tone.AudioToGain();\n\t        /**\n\t\t\t *  Harmonicity is the frequency ratio between the carrier and the modulator oscillators. \n\t\t\t *  A harmonicity of 1 gives both oscillators the same frequency. \n\t\t\t *  Harmonicity = 2 means a change of an octave. \n\t\t\t *  @type {Positive}\n\t\t\t *  @signal\n\t\t\t *  @example\n\t\t\t * //pitch the modulator an octave below carrier\n\t\t\t * synth.harmonicity.value = 0.5;\n\t\t\t */\n\t        this.harmonicity = new Tone.Multiply(options.harmonicity);\n\t        this.harmonicity.units = Tone.Type.Positive;\n\t        /**\n\t\t\t *  the node where the modulation happens\n\t\t\t *  @type {Tone.Gain}\n\t\t\t *  @private\n\t\t\t */\n\t        this._modulationNode = new Tone.Gain(0);\n\t        //connections\n\t        this.frequency.chain(this.harmonicity, this._modulator.frequency);\n\t        this.detune.connect(this._modulator.detune);\n\t        this._modulator.chain(this._modulationScale, this._modulationNode.gain);\n\t        this._carrier.chain(this._modulationNode, this.output);\n\t        this.phase = options.phase;\n\t        this._readOnly([\n\t            'frequency',\n\t            'detune',\n\t            'harmonicity'\n\t        ]);\n\t    };\n\t    Tone.extend(Tone.AMOscillator, Tone.Oscillator);\n\t    /**\n\t\t *  default values\n\t\t *  @static\n\t\t *  @type {Object}\n\t\t *  @const\n\t\t */\n\t    Tone.AMOscillator.defaults = {\n\t        'frequency': 440,\n\t        'detune': 0,\n\t        'phase': 0,\n\t        'modulationType': 'square',\n\t        'harmonicity': 1\n\t    };\n\t    /**\n\t\t *  start the oscillator\n\t\t *  @param  {Time} [time=now]\n\t\t *  @private\n\t\t */\n\t    Tone.AMOscillator.prototype._start = function (time) {\n\t        time = this.toSeconds(time);\n\t        this._modulator.start(time);\n\t        this._carrier.start(time);\n\t    };\n\t    /**\n\t\t *  stop the oscillator\n\t\t *  @param  {Time} time (optional) timing parameter\n\t\t *  @private\n\t\t */\n\t    Tone.AMOscillator.prototype._stop = function (time) {\n\t        time = this.toSeconds(time);\n\t        this._modulator.stop(time);\n\t        this._carrier.stop(time);\n\t    };\n\t    /**\n\t\t * The type of the carrier oscillator\n\t\t * @memberOf Tone.AMOscillator#\n\t\t * @type {string}\n\t\t * @name type\n\t\t */\n\t    Object.defineProperty(Tone.AMOscillator.prototype, 'type', {\n\t        get: function () {\n\t            return this._carrier.type;\n\t        },\n\t        set: function (type) {\n\t            this._carrier.type = type;\n\t        }\n\t    });\n\t    /**\n\t\t * The type of the modulator oscillator\n\t\t * @memberOf Tone.AMOscillator#\n\t\t * @type {string}\n\t\t * @name modulationType\n\t\t */\n\t    Object.defineProperty(Tone.AMOscillator.prototype, 'modulationType', {\n\t        get: function () {\n\t            return this._modulator.type;\n\t        },\n\t        set: function (type) {\n\t            this._modulator.type = type;\n\t        }\n\t    });\n\t    /**\n\t\t * The phase of the oscillator in degrees.\n\t\t * @memberOf Tone.AMOscillator#\n\t\t * @type {number}\n\t\t * @name phase\n\t\t */\n\t    Object.defineProperty(Tone.AMOscillator.prototype, 'phase', {\n\t        get: function () {\n\t            return this._carrier.phase;\n\t        },\n\t        set: function (phase) {\n\t            this._carrier.phase = phase;\n\t            this._modulator.phase = phase;\n\t        }\n\t    });\n\t    /**\n\t\t * The partials of the carrier waveform. A partial represents \n\t\t * the amplitude at a harmonic. The first harmonic is the \n\t\t * fundamental frequency, the second is the octave and so on\n\t\t * following the harmonic series. \n\t\t * Setting this value will automatically set the type to \"custom\". \n\t\t * The value is an empty array when the type is not \"custom\". \n\t\t * @memberOf Tone.AMOscillator#\n\t\t * @type {Array}\n\t\t * @name partials\n\t\t * @example\n\t\t * osc.partials = [1, 0.2, 0.01];\n\t\t */\n\t    Object.defineProperty(Tone.AMOscillator.prototype, 'partials', {\n\t        get: function () {\n\t            return this._carrier.partials;\n\t        },\n\t        set: function (partials) {\n\t            this._carrier.partials = partials;\n\t        }\n\t    });\n\t    /**\n\t\t *  Clean up.\n\t\t *  @return {Tone.AMOscillator} this\n\t\t */\n\t    Tone.AMOscillator.prototype.dispose = function () {\n\t        Tone.Source.prototype.dispose.call(this);\n\t        this._writable([\n\t            'frequency',\n\t            'detune',\n\t            'harmonicity'\n\t        ]);\n\t        this.frequency = null;\n\t        this.detune = null;\n\t        this.harmonicity.dispose();\n\t        this.harmonicity = null;\n\t        this._carrier.dispose();\n\t        this._carrier = null;\n\t        this._modulator.dispose();\n\t        this._modulator = null;\n\t        this._modulationNode.dispose();\n\t        this._modulationNode = null;\n\t        this._modulationScale.dispose();\n\t        this._modulationScale = null;\n\t        return this;\n\t    };\n\t    return Tone.AMOscillator;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Tone.FatOscillator \n\t\t *\n\t\t *  @extends {Tone.Oscillator}\n\t\t *  @constructor\n\t\t *  @param {Frequency} frequency The starting frequency of the oscillator. \n\t\t *  @param {String} type The type of the carrier oscillator.\n\t\t *  @param {String} modulationType The type of the modulator oscillator.\n\t\t *  @example\n\t\t * //a sine oscillator frequency-modulated by a square wave\n\t\t * var fmOsc = new Tone.FatOscillator(\"Ab3\", \"sine\", \"square\").toMaster().start();\n\t\t */\n\t    Tone.FatOscillator = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'frequency',\n\t            'type',\n\t            'spread'\n\t        ], Tone.FatOscillator.defaults);\n\t        Tone.Source.call(this, options);\n\t        /**\n\t\t\t *  The oscillator's frequency\n\t\t\t *  @type {Frequency}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.frequency = new Tone.Signal(options.frequency, Tone.Type.Frequency);\n\t        /**\n\t\t\t *  The detune control signal.\n\t\t\t *  @type {Cents}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.detune = new Tone.Signal(options.detune, Tone.Type.Cents);\n\t        /**\n\t\t\t *  The array of oscillators\n\t\t\t *  @type {Array}\n\t\t\t *  @private\n\t\t\t */\n\t        this._oscillators = [];\n\t        /**\n\t\t\t *  The total spread of the oscillators\n\t\t\t *  @type  {Cents}\n\t\t\t *  @private\n\t\t\t */\n\t        this._spread = options.spread;\n\t        /**\n\t\t\t *  The type of the oscillator\n\t\t\t *  @type {String}\n\t\t\t *  @private\n\t\t\t */\n\t        this._type = options.type;\n\t        /**\n\t\t\t *  The phase of the oscillators\n\t\t\t *  @type {Degrees}\n\t\t\t *  @private\n\t\t\t */\n\t        this._phase = options.phase;\n\t        /**\n\t\t\t *  The partials array\n\t\t\t *  @type {Array}\n\t\t\t *  @private\n\t\t\t */\n\t        this._partials = this.defaultArg(options.partials, []);\n\t        //set the count initially\n\t        this.count = options.count;\n\t        this._readOnly([\n\t            'frequency',\n\t            'detune'\n\t        ]);\n\t    };\n\t    Tone.extend(Tone.FatOscillator, Tone.Oscillator);\n\t    /**\n\t\t *  default values\n\t\t *  @static\n\t\t *  @type {Object}\n\t\t *  @const\n\t\t */\n\t    Tone.FatOscillator.defaults = {\n\t        'frequency': 440,\n\t        'detune': 0,\n\t        'phase': 0,\n\t        'spread': 20,\n\t        'count': 3,\n\t        'type': 'sawtooth'\n\t    };\n\t    /**\n\t\t *  start the oscillator\n\t\t *  @param  {Time} [time=now]\n\t\t *  @private\n\t\t */\n\t    Tone.FatOscillator.prototype._start = function (time) {\n\t        time = this.toSeconds(time);\n\t        this._forEach(function (osc) {\n\t            osc.start(time);\n\t        });\n\t    };\n\t    /**\n\t\t *  stop the oscillator\n\t\t *  @param  {Time} time (optional) timing parameter\n\t\t *  @private\n\t\t */\n\t    Tone.FatOscillator.prototype._stop = function (time) {\n\t        time = this.toSeconds(time);\n\t        this._forEach(function (osc) {\n\t            osc.stop(time);\n\t        });\n\t    };\n\t    /**\n\t\t *  Iterate over all of the oscillators\n\t\t *  @param  {Function}  iterator  The iterator function\n\t\t *  @private\n\t\t */\n\t    Tone.FatOscillator.prototype._forEach = function (iterator) {\n\t        for (var i = 0; i < this._oscillators.length; i++) {\n\t            iterator.call(this, this._oscillators[i], i);\n\t        }\n\t    };\n\t    /**\n\t\t * The type of the carrier oscillator\n\t\t * @memberOf Tone.FatOscillator#\n\t\t * @type {string}\n\t\t * @name type\n\t\t */\n\t    Object.defineProperty(Tone.FatOscillator.prototype, 'type', {\n\t        get: function () {\n\t            return this._type;\n\t        },\n\t        set: function (type) {\n\t            this._type = type;\n\t            this._forEach(function (osc) {\n\t                osc.type = type;\n\t            });\n\t        }\n\t    });\n\t    /**\n\t\t * The detune spread between the oscillators. If \"count\" is\n\t\t * set to 3 oscillators and the \"spread\" is set to 40,\n\t\t * the three oscillators would be detuned like this: [-20, 0, 20]\n\t\t * for a total detune spread of 40 cents.\n\t\t * @memberOf Tone.FatOscillator#\n\t\t * @type {Cents}\n\t\t * @name spread\n\t\t */\n\t    Object.defineProperty(Tone.FatOscillator.prototype, 'spread', {\n\t        get: function () {\n\t            return this._spread;\n\t        },\n\t        set: function (spread) {\n\t            this._spread = spread;\n\t            if (this._oscillators.length > 1) {\n\t                var start = -spread / 2;\n\t                var step = spread / (this._oscillators.length - 1);\n\t                this._forEach(function (osc, i) {\n\t                    osc.detune.value = start + step * i;\n\t                });\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t * The number of detuned oscillators\n\t\t * @memberOf Tone.FatOscillator#\n\t\t * @type {Number}\n\t\t * @name count\n\t\t */\n\t    Object.defineProperty(Tone.FatOscillator.prototype, 'count', {\n\t        get: function () {\n\t            return this._oscillators.length;\n\t        },\n\t        set: function (count) {\n\t            count = Math.max(count, 1);\n\t            if (this._oscillators.length !== count) {\n\t                // var partials = this.partials;\n\t                // var type = this.type;\n\t                //dispose the previous oscillators\n\t                this._forEach(function (osc) {\n\t                    osc.dispose();\n\t                });\n\t                this._oscillators = [];\n\t                for (var i = 0; i < count; i++) {\n\t                    var osc = new Tone.Oscillator();\n\t                    if (this.type === Tone.Oscillator.Type.Custom) {\n\t                        osc.partials = this._partials;\n\t                    } else {\n\t                        osc.type = this._type;\n\t                    }\n\t                    osc.phase = this._phase;\n\t                    osc.volume.value = -6 - count;\n\t                    this.frequency.connect(osc.frequency);\n\t                    this.detune.connect(osc.detune);\n\t                    osc.connect(this.output);\n\t                    this._oscillators[i] = osc;\n\t                }\n\t                //set the spread\n\t                this.spread = this._spread;\n\t                if (this.state === Tone.State.Started) {\n\t                    this._forEach(function (osc) {\n\t                        osc.start();\n\t                    });\n\t                }\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t * The phase of the oscillator in degrees.\n\t\t * @memberOf Tone.FatOscillator#\n\t\t * @type {Number}\n\t\t * @name phase\n\t\t */\n\t    Object.defineProperty(Tone.FatOscillator.prototype, 'phase', {\n\t        get: function () {\n\t            return this._phase;\n\t        },\n\t        set: function (phase) {\n\t            this._phase = phase;\n\t            this._forEach(function (osc) {\n\t                osc.phase = phase;\n\t            });\n\t        }\n\t    });\n\t    /**\n\t\t * The partials of the carrier waveform. A partial represents \n\t\t * the amplitude at a harmonic. The first harmonic is the \n\t\t * fundamental frequency, the second is the octave and so on\n\t\t * following the harmonic series. \n\t\t * Setting this value will automatically set the type to \"custom\". \n\t\t * The value is an empty array when the type is not \"custom\". \n\t\t * @memberOf Tone.FatOscillator#\n\t\t * @type {Array}\n\t\t * @name partials\n\t\t * @example\n\t\t * osc.partials = [1, 0.2, 0.01];\n\t\t */\n\t    Object.defineProperty(Tone.FatOscillator.prototype, 'partials', {\n\t        get: function () {\n\t            return this._partials;\n\t        },\n\t        set: function (partials) {\n\t            this._partials = partials;\n\t            this._type = Tone.Oscillator.Type.Custom;\n\t            this._forEach(function (osc) {\n\t                osc.partials = partials;\n\t            });\n\t        }\n\t    });\n\t    /**\n\t\t *  Clean up.\n\t\t *  @return {Tone.FatOscillator} this\n\t\t */\n\t    Tone.FatOscillator.prototype.dispose = function () {\n\t        Tone.Source.prototype.dispose.call(this);\n\t        this._writable([\n\t            'frequency',\n\t            'detune'\n\t        ]);\n\t        this.frequency.dispose();\n\t        this.frequency = null;\n\t        this.detune.dispose();\n\t        this.detune = null;\n\t        this._forEach(function (osc) {\n\t            osc.dispose();\n\t        });\n\t        this._oscillators = null;\n\t        this._partials = null;\n\t        return this;\n\t    };\n\t    return Tone.FatOscillator;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Tone.OmniOscillator aggregates Tone.Oscillator, Tone.PulseOscillator,\n\t\t *         Tone.PWMOscillator, Tone.FMOscillator, Tone.AMOscillator, and Tone.FatOscillator\n\t\t *         into one class. The oscillator class can be changed by setting the `type`. \n\t\t *         `omniOsc.type = \"pwm\"` will set it to the Tone.PWMOscillator. Prefixing\n\t\t *         any of the basic types (\"sine\", \"square4\", etc.) with \"fm\", \"am\", or \"fat\"\n\t\t *         will use the FMOscillator, AMOscillator or FatOscillator respectively. \n\t\t *         For example: `omniOsc.type = \"fatsawtooth\"` will create set the oscillator\n\t\t *         to a FatOscillator of type \"sawtooth\". \n\t\t *\n\t\t *  @extends {Tone.Oscillator}\n\t\t *  @constructor\n\t\t *  @param {Frequency} frequency The initial frequency of the oscillator.\n\t\t *  @param {String} type The type of the oscillator.\n\t\t *  @example\n\t\t *  var omniOsc = new Tone.OmniOscillator(\"C#4\", \"pwm\");\n\t\t */\n\t    Tone.OmniOscillator = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'frequency',\n\t            'type'\n\t        ], Tone.OmniOscillator.defaults);\n\t        Tone.Source.call(this, options);\n\t        /**\n\t\t\t *  The frequency control.\n\t\t\t *  @type {Frequency}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.frequency = new Tone.Signal(options.frequency, Tone.Type.Frequency);\n\t        /**\n\t\t\t *  The detune control\n\t\t\t *  @type {Cents}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.detune = new Tone.Signal(options.detune, Tone.Type.Cents);\n\t        /**\n\t\t\t *  the type of the oscillator source\n\t\t\t *  @type {String}\n\t\t\t *  @private\n\t\t\t */\n\t        this._sourceType = undefined;\n\t        /**\n\t\t\t *  the oscillator\n\t\t\t *  @type {Tone.Oscillator}\n\t\t\t *  @private\n\t\t\t */\n\t        this._oscillator = null;\n\t        //set the oscillator\n\t        this.type = options.type;\n\t        this._readOnly([\n\t            'frequency',\n\t            'detune'\n\t        ]);\n\t        //set the options\n\t        this.set(options);\n\t    };\n\t    Tone.extend(Tone.OmniOscillator, Tone.Oscillator);\n\t    /**\n\t\t *  default values\n\t\t *  @static\n\t\t *  @type {Object}\n\t\t *  @const\n\t\t */\n\t    Tone.OmniOscillator.defaults = {\n\t        'frequency': 440,\n\t        'detune': 0,\n\t        'type': 'sine',\n\t        'phase': 0\n\t    };\n\t    /**\n\t\t *  @enum {String}\n\t\t *  @private\n\t\t */\n\t    var OmniOscType = {\n\t        Pulse: 'PulseOscillator',\n\t        PWM: 'PWMOscillator',\n\t        Osc: 'Oscillator',\n\t        FM: 'FMOscillator',\n\t        AM: 'AMOscillator',\n\t        Fat: 'FatOscillator'\n\t    };\n\t    /**\n\t\t *  start the oscillator\n\t\t *  @param {Time} [time=now] the time to start the oscillator\n\t\t *  @private\n\t\t */\n\t    Tone.OmniOscillator.prototype._start = function (time) {\n\t        this._oscillator.start(time);\n\t    };\n\t    /**\n\t\t *  start the oscillator\n\t\t *  @param {Time} [time=now] the time to start the oscillator\n\t\t *  @private\n\t\t */\n\t    Tone.OmniOscillator.prototype._stop = function (time) {\n\t        this._oscillator.stop(time);\n\t    };\n\t    /**\n\t\t * The type of the oscillator. Can be any of the basic types: sine, square, triangle, sawtooth. Or\n\t\t * prefix the basic types with \"fm\", \"am\", or \"fat\" to use the FMOscillator, AMOscillator or FatOscillator\n\t\t * types. The oscillator could also be set to \"pwm\" or \"pulse\". All of the parameters of the\n\t\t * oscillator's class are accessible when the oscillator is set to that type, but throws an error \n\t\t * when it's not.\n\t\t * \n\t\t * @memberOf Tone.OmniOscillator#\n\t\t * @type {String}\n\t\t * @name type\n\t\t * @example\n\t\t * omniOsc.type = \"pwm\";\n\t\t * //modulationFrequency is parameter which is available\n\t\t * //only when the type is \"pwm\". \n\t\t * omniOsc.modulationFrequency.value = 0.5;\n\t\t * @example\n\t\t * //an square wave frequency modulated by a sawtooth\n\t\t * omniOsc.type = \"fmsquare\";\n\t\t * omniOsc.modulationType = \"sawtooth\";\n\t\t */\n\t    Object.defineProperty(Tone.OmniOscillator.prototype, 'type', {\n\t        get: function () {\n\t            var prefix = '';\n\t            if (this._sourceType === OmniOscType.FM) {\n\t                prefix = 'fm';\n\t            } else if (this._sourceType === OmniOscType.AM) {\n\t                prefix = 'am';\n\t            } else if (this._sourceType === OmniOscType.Fat) {\n\t                prefix = 'fat';\n\t            }\n\t            return prefix + this._oscillator.type;\n\t        },\n\t        set: function (type) {\n\t            if (type.substr(0, 2) === 'fm') {\n\t                this._createNewOscillator(OmniOscType.FM);\n\t                this._oscillator.type = type.substr(2);\n\t            } else if (type.substr(0, 2) === 'am') {\n\t                this._createNewOscillator(OmniOscType.AM);\n\t                this._oscillator.type = type.substr(2);\n\t            } else if (type.substr(0, 3) === 'fat') {\n\t                this._createNewOscillator(OmniOscType.Fat);\n\t                this._oscillator.type = type.substr(3);\n\t            } else if (type === 'pwm') {\n\t                this._createNewOscillator(OmniOscType.PWM);\n\t            } else if (type === 'pulse') {\n\t                this._createNewOscillator(OmniOscType.Pulse);\n\t            } else {\n\t                this._createNewOscillator(OmniOscType.Osc);\n\t                this._oscillator.type = type;\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t * The partials of the waveform. A partial represents \n\t\t * the amplitude at a harmonic. The first harmonic is the \n\t\t * fundamental frequency, the second is the octave and so on\n\t\t * following the harmonic series. \n\t\t * Setting this value will automatically set the type to \"custom\". \n\t\t * The value is an empty array when the type is not \"custom\". \n\t\t * This is not available on \"pwm\" and \"pulse\" oscillator types.\n\t\t * @memberOf Tone.OmniOscillator#\n\t\t * @type {Array}\n\t\t * @name partials\n\t\t * @example\n\t\t * osc.partials = [1, 0.2, 0.01];\n\t\t */\n\t    Object.defineProperty(Tone.OmniOscillator.prototype, 'partials', {\n\t        get: function () {\n\t            return this._oscillator.partials;\n\t        },\n\t        set: function (partials) {\n\t            this._oscillator.partials = partials;\n\t        }\n\t    });\n\t    /**\n\t\t *  Set a member/attribute of the oscillator. \n\t\t *  @param {Object|String} params\n\t\t *  @param {number=} value\n\t\t *  @param {Time=} rampTime\n\t\t *  @returns {Tone.OmniOscillator} this\n\t\t */\n\t    Tone.OmniOscillator.prototype.set = function (params, value) {\n\t        //make sure the type is set first\n\t        if (params === 'type') {\n\t            this.type = value;\n\t        } else if (this.isObject(params) && params.hasOwnProperty('type')) {\n\t            this.type = params.type;\n\t        }\n\t        //then set the rest\n\t        Tone.prototype.set.apply(this, arguments);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  connect the oscillator to the frequency and detune signals\n\t\t *  @private\n\t\t */\n\t    Tone.OmniOscillator.prototype._createNewOscillator = function (oscType) {\n\t        if (oscType !== this._sourceType) {\n\t            this._sourceType = oscType;\n\t            var OscillatorConstructor = Tone[oscType];\n\t            //short delay to avoid clicks on the change\n\t            var now = this.now() + this.blockTime;\n\t            if (this._oscillator !== null) {\n\t                var oldOsc = this._oscillator;\n\t                oldOsc.stop(now);\n\t                //dispose the old one\n\t                setTimeout(function () {\n\t                    oldOsc.dispose();\n\t                    oldOsc = null;\n\t                }, this.blockTime * 1000);\n\t            }\n\t            this._oscillator = new OscillatorConstructor();\n\t            this.frequency.connect(this._oscillator.frequency);\n\t            this.detune.connect(this._oscillator.detune);\n\t            this._oscillator.connect(this.output);\n\t            if (this.state === Tone.State.Started) {\n\t                this._oscillator.start(now);\n\t            }\n\t        }\n\t    };\n\t    /**\n\t\t * The phase of the oscillator in degrees. \n\t\t * @memberOf Tone.OmniOscillator#\n\t\t * @type {Degrees}\n\t\t * @name phase\n\t\t */\n\t    Object.defineProperty(Tone.OmniOscillator.prototype, 'phase', {\n\t        get: function () {\n\t            return this._oscillator.phase;\n\t        },\n\t        set: function (phase) {\n\t            this._oscillator.phase = phase;\n\t        }\n\t    });\n\t    /**\n\t\t * The width of the oscillator (only if the oscillator is set to \"pulse\")\n\t\t * @memberOf Tone.OmniOscillator#\n\t\t * @type {NormalRange}\n\t\t * @signal\n\t\t * @name width\n\t\t * @example\n\t\t * var omniOsc = new Tone.OmniOscillator(440, \"pulse\");\n\t\t * //can access the width attribute only if type === \"pulse\"\n\t\t * omniOsc.width.value = 0.2; \n\t\t */\n\t    Object.defineProperty(Tone.OmniOscillator.prototype, 'width', {\n\t        get: function () {\n\t            if (this._sourceType === OmniOscType.Pulse) {\n\t                return this._oscillator.width;\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t * The number of detuned oscillators\n\t\t * @memberOf Tone.OmniOscillator#\n\t\t * @type {Number}\n\t\t * @name count\n\t\t */\n\t    Object.defineProperty(Tone.OmniOscillator.prototype, 'count', {\n\t        get: function () {\n\t            if (this._sourceType === OmniOscType.Fat) {\n\t                return this._oscillator.count;\n\t            }\n\t        },\n\t        set: function (count) {\n\t            if (this._sourceType === OmniOscType.Fat) {\n\t                this._oscillator.count = count;\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t * The detune spread between the oscillators. If \"count\" is\n\t\t * set to 3 oscillators and the \"spread\" is set to 40,\n\t\t * the three oscillators would be detuned like this: [-20, 0, 20]\n\t\t * for a total detune spread of 40 cents. See Tone.FatOscillator\n\t\t * for more info.\n\t\t * @memberOf Tone.OmniOscillator#\n\t\t * @type {Cents}\n\t\t * @name spread\n\t\t */\n\t    Object.defineProperty(Tone.OmniOscillator.prototype, 'spread', {\n\t        get: function () {\n\t            if (this._sourceType === OmniOscType.Fat) {\n\t                return this._oscillator.spread;\n\t            }\n\t        },\n\t        set: function (spread) {\n\t            if (this._sourceType === OmniOscType.Fat) {\n\t                this._oscillator.spread = spread;\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t * The type of the modulator oscillator. Only if the oscillator\n\t\t * is set to \"am\" or \"fm\" types. see. Tone.AMOscillator or Tone.FMOscillator\n\t\t * for more info. \n\t\t * @memberOf Tone.OmniOscillator#\n\t\t * @type {String}\n\t\t * @name modulationType\n\t\t */\n\t    Object.defineProperty(Tone.OmniOscillator.prototype, 'modulationType', {\n\t        get: function () {\n\t            if (this._sourceType === OmniOscType.FM || this._sourceType === OmniOscType.AM) {\n\t                return this._oscillator.modulationType;\n\t            }\n\t        },\n\t        set: function (mType) {\n\t            if (this._sourceType === OmniOscType.FM || this._sourceType === OmniOscType.AM) {\n\t                this._oscillator.modulationType = mType;\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t * The modulation index which is in essence the depth or amount of the modulation. In other terms it is the \n\t\t * ratio of the frequency of the modulating signal (mf) to the amplitude of the \n\t\t * modulating signal (ma) -- as in ma/mf. \n\t\t * See Tone.FMOscillator for more info. \n\t\t * @type {Positive}\n\t\t * @signal\n\t\t * @name modulationIndex\n\t\t */\n\t    Object.defineProperty(Tone.OmniOscillator.prototype, 'modulationIndex', {\n\t        get: function () {\n\t            if (this._sourceType === OmniOscType.FM) {\n\t                return this._oscillator.modulationIndex;\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t *  Harmonicity is the frequency ratio between the carrier and the modulator oscillators. \n\t\t *  A harmonicity of 1 gives both oscillators the same frequency. \n\t\t *  Harmonicity = 2 means a change of an octave. See Tone.AMOscillator or Tone.FMOscillator\n\t\t *  for more info. \n\t\t *  @memberOf Tone.OmniOscillator#\n\t\t *  @signal\n\t\t *  @type {Positive}\n\t\t *  @name harmonicity\n\t\t */\n\t    Object.defineProperty(Tone.OmniOscillator.prototype, 'harmonicity', {\n\t        get: function () {\n\t            if (this._sourceType === OmniOscType.FM || this._sourceType === OmniOscType.AM) {\n\t                return this._oscillator.harmonicity;\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t * The modulationFrequency Signal of the oscillator \n\t\t * (only if the oscillator type is set to pwm). See \n\t\t * Tone.PWMOscillator for more info. \n\t\t * @memberOf Tone.OmniOscillator#\n\t\t * @type {Frequency}\n\t\t * @signal\n\t\t * @name modulationFrequency\n\t\t * @example\n\t\t * var omniOsc = new Tone.OmniOscillator(440, \"pwm\");\n\t\t * //can access the modulationFrequency attribute only if type === \"pwm\"\n\t\t * omniOsc.modulationFrequency.value = 0.2; \n\t\t */\n\t    Object.defineProperty(Tone.OmniOscillator.prototype, 'modulationFrequency', {\n\t        get: function () {\n\t            if (this._sourceType === OmniOscType.PWM) {\n\t                return this._oscillator.modulationFrequency;\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t *  Clean up.\n\t\t *  @return {Tone.OmniOscillator} this\n\t\t */\n\t    Tone.OmniOscillator.prototype.dispose = function () {\n\t        Tone.Source.prototype.dispose.call(this);\n\t        this._writable([\n\t            'frequency',\n\t            'detune'\n\t        ]);\n\t        this.detune.dispose();\n\t        this.detune = null;\n\t        this.frequency.dispose();\n\t        this.frequency = null;\n\t        this._oscillator.dispose();\n\t        this._oscillator = null;\n\t        this._sourceType = null;\n\t        return this;\n\t    };\n\t    return Tone.OmniOscillator;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  Base-class for all instruments\n\t\t *  \n\t\t *  @constructor\n\t\t *  @extends {Tone}\n\t\t */\n\t    Tone.Instrument = function (options) {\n\t        //get the defaults\n\t        options = this.defaultArg(options, Tone.Instrument.defaults);\n\t        /**\n\t\t\t *  The output and volume triming node\n\t\t\t *  @type  {Tone.Volume}\n\t\t\t *  @private\n\t\t\t */\n\t        this._volume = this.output = new Tone.Volume(options.volume);\n\t        /**\n\t\t\t * The volume of the output in decibels.\n\t\t\t * @type {Decibels}\n\t\t\t * @signal\n\t\t\t * @example\n\t\t\t * source.volume.value = -6;\n\t\t\t */\n\t        this.volume = this._volume.volume;\n\t        this._readOnly('volume');\n\t    };\n\t    Tone.extend(Tone.Instrument);\n\t    /**\n\t\t *  the default attributes\n\t\t *  @type {object}\n\t\t */\n\t    Tone.Instrument.defaults = {\n\t        /** the volume of the output in decibels */\n\t        'volume': 0\n\t    };\n\t    /**\n\t\t *  @abstract\n\t\t *  @param {string|number} note the note to trigger\n\t\t *  @param {Time} [time=now] the time to trigger the ntoe\n\t\t *  @param {number} [velocity=1] the velocity to trigger the note\n\t\t */\n\t    Tone.Instrument.prototype.triggerAttack = Tone.noOp;\n\t    /**\n\t\t *  @abstract\n\t\t *  @param {Time} [time=now] when to trigger the release\n\t\t */\n\t    Tone.Instrument.prototype.triggerRelease = Tone.noOp;\n\t    /**\n\t\t *  Trigger the attack and then the release after the duration. \n\t\t *  @param  {Frequency} note     The note to trigger.\n\t\t *  @param  {Time} duration How long the note should be held for before\n\t\t *                          triggering the release. This value must be greater than 0. \n\t\t *  @param {Time} [time=now]  When the note should be triggered.\n\t\t *  @param  {NormalRange} [velocity=1] The velocity the note should be triggered at.\n\t\t *  @returns {Tone.Instrument} this\n\t\t *  @example\n\t\t * //trigger \"C4\" for the duration of an 8th note\n\t\t * synth.triggerAttackRelease(\"C4\", \"8n\");\n\t\t */\n\t    Tone.Instrument.prototype.triggerAttackRelease = function (note, duration, time, velocity) {\n\t        if (this.isUndef(time)) {\n\t            time = this.now() + this.blockTime;\n\t        } else {\n\t            time = this.toSeconds(time);\n\t        }\n\t        duration = this.toSeconds(duration);\n\t        this.triggerAttack(note, time, velocity);\n\t        this.triggerRelease(time + duration);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  clean up\n\t\t *  @returns {Tone.Instrument} this\n\t\t */\n\t    Tone.Instrument.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._volume.dispose();\n\t        this._volume = null;\n\t        this._writable(['volume']);\n\t        this.volume = null;\n\t        return this;\n\t    };\n\t    return Tone.Instrument;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  This is an abstract base class for other monophonic instruments to \n\t\t *          extend. IMPORTANT: It does not make any sound on its own and\n\t\t *          shouldn't be directly instantiated.\n\t\t *\n\t\t *  @constructor\n\t\t *  @abstract\n\t\t *  @extends {Tone.Instrument}\n\t\t */\n\t    Tone.Monophonic = function (options) {\n\t        //get the defaults\n\t        options = this.defaultArg(options, Tone.Monophonic.defaults);\n\t        Tone.Instrument.call(this, options);\n\t        /**\n\t\t\t *  The glide time between notes. \n\t\t\t *  @type {Time}\n\t\t\t */\n\t        this.portamento = options.portamento;\n\t    };\n\t    Tone.extend(Tone.Monophonic, Tone.Instrument);\n\t    /**\n\t\t *  @static\n\t\t *  @const\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.Monophonic.defaults = { 'portamento': 0 };\n\t    /**\n\t\t *  Trigger the attack of the note optionally with a given velocity. \n\t\t *  \n\t\t *  \n\t\t *  @param  {Frequency} note     The note to trigger.\n\t\t *  @param  {Time} [time=now]     When the note should start.\n\t\t *  @param  {number} [velocity=1] velocity The velocity scaler \n\t\t *                                determines how \"loud\" the note \n\t\t *                                will be triggered.\n\t\t *  @returns {Tone.Monophonic} this\n\t\t *  @example\n\t\t * synth.triggerAttack(\"C4\");\n\t\t *  @example\n\t\t * //trigger the note a half second from now at half velocity\n\t\t * synth.triggerAttack(\"C4\", \"+0.5\", 0.5);\n\t\t */\n\t    Tone.Monophonic.prototype.triggerAttack = function (note, time, velocity) {\n\t        if (this.isUndef(time)) {\n\t            time = this.now() + this.blockTime;\n\t        } else {\n\t            time = this.toSeconds(time);\n\t        }\n\t        this._triggerEnvelopeAttack(time, velocity);\n\t        this.setNote(note, time);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Trigger the release portion of the envelope\n\t\t *  @param  {Time} [time=now] If no time is given, the release happens immediatly\n\t\t *  @returns {Tone.Monophonic} this\n\t\t *  @example\n\t\t * synth.triggerRelease();\n\t\t */\n\t    Tone.Monophonic.prototype.triggerRelease = function (time) {\n\t        if (this.isUndef(time)) {\n\t            time = this.now() + this.blockTime;\n\t        } else {\n\t            time = this.toSeconds(time);\n\t        }\n\t        this._triggerEnvelopeRelease(time);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  override this method with the actual method\n\t\t *  @abstract\n\t\t *  @private\n\t\t */\n\t    Tone.Monophonic.prototype._triggerEnvelopeAttack = function () {\n\t    };\n\t    /**\n\t\t *  override this method with the actual method\n\t\t *  @abstract\n\t\t *  @private\n\t\t */\n\t    Tone.Monophonic.prototype._triggerEnvelopeRelease = function () {\n\t    };\n\t    /**\n\t\t *  Set the note at the given time. If no time is given, the note\n\t\t *  will set immediately. \n\t\t *  @param {Frequency} note The note to change to.\n\t\t *  @param  {Time} [time=now] The time when the note should be set. \n\t\t *  @returns {Tone.Monophonic} this\n\t\t * @example\n\t\t * //change to F#6 in one quarter note from now.\n\t\t * synth.setNote(\"F#6\", \"+4n\");\n\t\t * @example\n\t\t * //change to Bb4 right now\n\t\t * synth.setNote(\"Bb4\");\n\t\t */\n\t    Tone.Monophonic.prototype.setNote = function (note, time) {\n\t        time = this.toSeconds(time);\n\t        if (this.portamento > 0) {\n\t            var currentNote = this.frequency.value;\n\t            this.frequency.setValueAtTime(currentNote, time);\n\t            var portTime = this.toSeconds(this.portamento);\n\t            this.frequency.exponentialRampToValueAtTime(note, time + portTime);\n\t        } else {\n\t            this.frequency.setValueAtTime(note, time);\n\t        }\n\t        return this;\n\t    };\n\t    return Tone.Monophonic;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  Tone.Synth is composed simply of a Tone.OmniOscillator\n\t\t *          routed through a Tone.AmplitudeEnvelope. \n\t\t *          <img src=\"https://docs.google.com/drawings/d/1-1_0YW2Z1J2EPI36P8fNCMcZG7N1w1GZluPs4og4evo/pub?w=1163&h=231\">\n\t\t *\n\t\t *  @constructor\n\t\t *  @extends {Tone.Monophonic}\n\t\t *  @param {Object} [options] the options available for the synth \n\t\t *                          see defaults below\n\t\t *  @example\n\t\t * var synth = new Tone.Synth().toMaster();\n\t\t * synth.triggerAttackRelease(\"C4\", \"8n\");\n\t\t */\n\t    Tone.Synth = function (options) {\n\t        //get the defaults\n\t        options = this.defaultArg(options, Tone.Synth.defaults);\n\t        Tone.Monophonic.call(this, options);\n\t        /**\n\t\t\t *  The oscillator.\n\t\t\t *  @type {Tone.OmniOscillator}\n\t\t\t */\n\t        this.oscillator = new Tone.OmniOscillator(options.oscillator);\n\t        /**\n\t\t\t *  The frequency control.\n\t\t\t *  @type {Frequency}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.frequency = this.oscillator.frequency;\n\t        /**\n\t\t\t *  The detune control.\n\t\t\t *  @type {Cents}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.detune = this.oscillator.detune;\n\t        /**\n\t\t\t *  The amplitude envelope.\n\t\t\t *  @type {Tone.AmplitudeEnvelope}\n\t\t\t */\n\t        this.envelope = new Tone.AmplitudeEnvelope(options.envelope);\n\t        //connect the oscillators to the output\n\t        this.oscillator.chain(this.envelope, this.output);\n\t        //start the oscillators\n\t        this.oscillator.start();\n\t        this._readOnly([\n\t            'oscillator',\n\t            'frequency',\n\t            'detune',\n\t            'envelope'\n\t        ]);\n\t    };\n\t    Tone.extend(Tone.Synth, Tone.Monophonic);\n\t    /**\n\t\t *  @const\n\t\t *  @static\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.Synth.defaults = {\n\t        'oscillator': { 'type': 'triangle' },\n\t        'envelope': {\n\t            'attack': 0.005,\n\t            'decay': 0.1,\n\t            'sustain': 0.3,\n\t            'release': 1\n\t        }\n\t    };\n\t    /**\n\t\t *  start the attack portion of the envelope\n\t\t *  @param {Time} [time=now] the time the attack should start\n\t\t *  @param {number} [velocity=1] the velocity of the note (0-1)\n\t\t *  @returns {Tone.Synth} this\n\t\t *  @private\n\t\t */\n\t    Tone.Synth.prototype._triggerEnvelopeAttack = function (time, velocity) {\n\t        //the envelopes\n\t        this.envelope.triggerAttack(time, velocity);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  start the release portion of the envelope\n\t\t *  @param {Time} [time=now] the time the release should start\n\t\t *  @returns {Tone.Synth} this\n\t\t *  @private\n\t\t */\n\t    Tone.Synth.prototype._triggerEnvelopeRelease = function (time) {\n\t        this.envelope.triggerRelease(time);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  clean up\n\t\t *  @returns {Tone.Synth} this\n\t\t */\n\t    Tone.Synth.prototype.dispose = function () {\n\t        Tone.Monophonic.prototype.dispose.call(this);\n\t        this._writable([\n\t            'oscillator',\n\t            'frequency',\n\t            'detune',\n\t            'envelope'\n\t        ]);\n\t        this.oscillator.dispose();\n\t        this.oscillator = null;\n\t        this.envelope.dispose();\n\t        this.envelope = null;\n\t        this.frequency = null;\n\t        this.detune = null;\n\t        return this;\n\t    };\n\t    return Tone.Synth;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  AMSynth uses the output of one Tone.Synth to modulate the\n\t\t *          amplitude of another Tone.Synth. The harmonicity (the ratio between\n\t\t *          the two signals) affects the timbre of the output signal greatly.\n\t\t *          Read more about Amplitude Modulation Synthesis on \n\t\t *          [SoundOnSound](http://www.soundonsound.com/sos/mar00/articles/synthsecrets.htm).\n\t\t *          <img src=\"https://docs.google.com/drawings/d/1TQu8Ed4iFr1YTLKpB3U1_hur-UwBrh5gdBXc8BxfGKw/pub?w=1009&h=457\">\n\t\t *\n\t\t *  @constructor\n\t\t *  @extends {Tone.Monophonic}\n\t\t *  @param {Object} [options] the options available for the synth \n\t\t *                            see defaults below\n\t\t *  @example\n\t\t * var synth = new Tone.AMSynth().toMaster();\n\t\t * synth.triggerAttackRelease(\"C4\", \"4n\");\n\t\t */\n\t    Tone.AMSynth = function (options) {\n\t        options = this.defaultArg(options, Tone.AMSynth.defaults);\n\t        Tone.Monophonic.call(this, options);\n\t        /**\n\t\t\t *  The carrier voice. \n\t\t\t *  @type {Tone.Synth}\n\t\t\t *  @private\n\t\t\t */\n\t        this._carrier = new Tone.Synth();\n\t        this._carrier.volume.value = -10;\n\t        /**\n\t\t\t *  The carrier's oscillator\n\t\t\t *  @type {Tone.Oscillator}\n\t\t\t */\n\t        this.oscillator = this._carrier.oscillator;\n\t        /**\n\t\t\t *  The carrier's envelope\n\t\t\t *  @type {Tone.AmplitudeEnvelope}\n\t\t\t */\n\t        this.envelope = this._carrier.envelope.set(options.envelope);\n\t        /**\n\t\t\t *  The modulator voice. \n\t\t\t *  @type {Tone.Synth}\n\t\t\t *  @private\n\t\t\t */\n\t        this._modulator = new Tone.Synth();\n\t        this._modulator.volume.value = -10;\n\t        /**\n\t\t\t *  The modulator's oscillator which is applied\n\t\t\t *  to the amplitude of the oscillator\n\t\t\t *  @type {Tone.Oscillator}\n\t\t\t */\n\t        this.modulation = this._modulator.oscillator.set(options.modulation);\n\t        /**\n\t\t\t *  The modulator's envelope\n\t\t\t *  @type {Tone.AmplitudeEnvelope}\n\t\t\t */\n\t        this.modulationEnvelope = this._modulator.envelope.set(options.modulationEnvelope);\n\t        /**\n\t\t\t *  The frequency.\n\t\t\t *  @type {Frequency}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.frequency = new Tone.Signal(440, Tone.Type.Frequency);\n\t        /**\n\t\t\t *  The detune in cents\n\t\t\t *  @type {Cents}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.detune = new Tone.Signal(options.detune, Tone.Type.Cents);\n\t        /**\n\t\t\t *  Harmonicity is the ratio between the two voices. A harmonicity of\n\t\t\t *  1 is no change. Harmonicity = 2 means a change of an octave. \n\t\t\t *  @type {Positive}\n\t\t\t *  @signal\n\t\t\t *  @example\n\t\t\t * //pitch voice1 an octave below voice0\n\t\t\t * synth.harmonicity.value = 0.5;\n\t\t\t */\n\t        this.harmonicity = new Tone.Multiply(options.harmonicity);\n\t        this.harmonicity.units = Tone.Type.Positive;\n\t        /**\n\t\t\t *  convert the -1,1 output to 0,1\n\t\t\t *  @type {Tone.AudioToGain}\n\t\t\t *  @private\n\t\t\t */\n\t        this._modulationScale = new Tone.AudioToGain();\n\t        /**\n\t\t\t *  the node where the modulation happens\n\t\t\t *  @type {Tone.Gain}\n\t\t\t *  @private\n\t\t\t */\n\t        this._modulationNode = new Tone.Gain();\n\t        //control the two voices frequency\n\t        this.frequency.connect(this._carrier.frequency);\n\t        this.frequency.chain(this.harmonicity, this._modulator.frequency);\n\t        this.detune.fan(this._carrier.detune, this._modulator.detune);\n\t        this._modulator.chain(this._modulationScale, this._modulationNode.gain);\n\t        this._carrier.chain(this._modulationNode, this.output);\n\t        this._readOnly([\n\t            'frequency',\n\t            'harmonicity',\n\t            'oscillator',\n\t            'envelope',\n\t            'modulation',\n\t            'modulationEnvelope',\n\t            'detune'\n\t        ]);\n\t    };\n\t    Tone.extend(Tone.AMSynth, Tone.Monophonic);\n\t    /**\n\t\t *  @static\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.AMSynth.defaults = {\n\t        'harmonicity': 3,\n\t        'detune': 0,\n\t        'oscillator': { 'type': 'sine' },\n\t        'envelope': {\n\t            'attack': 0.01,\n\t            'decay': 0.01,\n\t            'sustain': 1,\n\t            'release': 0.5\n\t        },\n\t        'modulation': { 'type': 'square' },\n\t        'modulationEnvelope': {\n\t            'attack': 0.5,\n\t            'decay': 0,\n\t            'sustain': 1,\n\t            'release': 0.5\n\t        }\n\t    };\n\t    /**\n\t\t *  trigger the attack portion of the note\n\t\t *  \n\t\t *  @param  {Time} [time=now] the time the note will occur\n\t\t *  @param {NormalRange} [velocity=1] the velocity of the note\n\t\t *  @private\n\t\t *  @returns {Tone.AMSynth} this\n\t\t */\n\t    Tone.AMSynth.prototype._triggerEnvelopeAttack = function (time, velocity) {\n\t        //the port glide\n\t        time = this.toSeconds(time);\n\t        //the envelopes\n\t        this.envelope.triggerAttack(time, velocity);\n\t        this.modulationEnvelope.triggerAttack(time, velocity);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  trigger the release portion of the note\n\t\t *  \n\t\t *  @param  {Time} [time=now] the time the note will release\n\t\t *  @private\n\t\t *  @returns {Tone.AMSynth} this\n\t\t */\n\t    Tone.AMSynth.prototype._triggerEnvelopeRelease = function (time) {\n\t        this.envelope.triggerRelease(time);\n\t        this.modulationEnvelope.triggerRelease(time);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  clean up\n\t\t *  @returns {Tone.AMSynth} this\n\t\t */\n\t    Tone.AMSynth.prototype.dispose = function () {\n\t        Tone.Monophonic.prototype.dispose.call(this);\n\t        this._writable([\n\t            'frequency',\n\t            'harmonicity',\n\t            'oscillator',\n\t            'envelope',\n\t            'modulation',\n\t            'modulationEnvelope',\n\t            'detune'\n\t        ]);\n\t        this._carrier.dispose();\n\t        this._carrier = null;\n\t        this._modulator.dispose();\n\t        this._modulator = null;\n\t        this.frequency.dispose();\n\t        this.frequency = null;\n\t        this.detune.dispose();\n\t        this.detune = null;\n\t        this.harmonicity.dispose();\n\t        this.harmonicity = null;\n\t        this._modulationScale.dispose();\n\t        this._modulationScale = null;\n\t        this._modulationNode.dispose();\n\t        this._modulationNode = null;\n\t        this.oscillator = null;\n\t        this.envelope = null;\n\t        this.modulationEnvelope = null;\n\t        this.modulation = null;\n\t        return this;\n\t    };\n\t    return Tone.AMSynth;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  Tone.MonoSynth is composed of one oscillator, one filter, and two envelopes.\n\t\t *          The amplitude of the Tone.Oscillator and the cutoff frequency of the \n\t\t *          Tone.Filter are controlled by Tone.Envelopes. \n\t\t *          <img src=\"https://docs.google.com/drawings/d/1gaY1DF9_Hzkodqf8JI1Cg2VZfwSElpFQfI94IQwad38/pub?w=924&h=240\">\n\t\t *          \n\t\t *  @constructor\n\t\t *  @extends {Tone.Monophonic}\n\t\t *  @param {Object} [options] the options available for the synth \n\t\t *                          see defaults below\n\t\t *  @example\n\t\t * var synth = new Tone.MonoSynth({\n\t\t * \t\"oscillator\" : {\n\t\t * \t\t\"type\" : \"square\"\n\t\t *  },\n\t\t *  \"envelope\" : {\n\t\t *  \t\"attack\" : 0.1\n\t\t *  }\n\t\t * }).toMaster();\n\t\t * synth.triggerAttackRelease(\"C4\", \"8n\");\n\t\t */\n\t    Tone.MonoSynth = function (options) {\n\t        //get the defaults\n\t        options = this.defaultArg(options, Tone.MonoSynth.defaults);\n\t        Tone.Monophonic.call(this, options);\n\t        /**\n\t\t\t *  The oscillator.\n\t\t\t *  @type {Tone.OmniOscillator}\n\t\t\t */\n\t        this.oscillator = new Tone.OmniOscillator(options.oscillator);\n\t        /**\n\t\t\t *  The frequency control.\n\t\t\t *  @type {Frequency}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.frequency = this.oscillator.frequency;\n\t        /**\n\t\t\t *  The detune control.\n\t\t\t *  @type {Cents}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.detune = this.oscillator.detune;\n\t        /**\n\t\t\t *  The filter.\n\t\t\t *  @type {Tone.Filter}\n\t\t\t */\n\t        this.filter = new Tone.Filter(options.filter);\n\t        /**\n\t\t\t *  The filter envelope.\n\t\t\t *  @type {Tone.FrequencyEnvelope}\n\t\t\t */\n\t        this.filterEnvelope = new Tone.FrequencyEnvelope(options.filterEnvelope);\n\t        /**\n\t\t\t *  The amplitude envelope.\n\t\t\t *  @type {Tone.AmplitudeEnvelope}\n\t\t\t */\n\t        this.envelope = new Tone.AmplitudeEnvelope(options.envelope);\n\t        //connect the oscillators to the output\n\t        this.oscillator.chain(this.filter, this.envelope, this.output);\n\t        //start the oscillators\n\t        this.oscillator.start();\n\t        //connect the filter envelope\n\t        this.filterEnvelope.connect(this.filter.frequency);\n\t        this._readOnly([\n\t            'oscillator',\n\t            'frequency',\n\t            'detune',\n\t            'filter',\n\t            'filterEnvelope',\n\t            'envelope'\n\t        ]);\n\t    };\n\t    Tone.extend(Tone.MonoSynth, Tone.Monophonic);\n\t    /**\n\t\t *  @const\n\t\t *  @static\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.MonoSynth.defaults = {\n\t        'frequency': 'C4',\n\t        'detune': 0,\n\t        'oscillator': { 'type': 'square' },\n\t        'filter': {\n\t            'Q': 6,\n\t            'type': 'lowpass',\n\t            'rolloff': -24\n\t        },\n\t        'envelope': {\n\t            'attack': 0.005,\n\t            'decay': 0.1,\n\t            'sustain': 0.9,\n\t            'release': 1\n\t        },\n\t        'filterEnvelope': {\n\t            'attack': 0.06,\n\t            'decay': 0.2,\n\t            'sustain': 0.5,\n\t            'release': 2,\n\t            'baseFrequency': 200,\n\t            'octaves': 7,\n\t            'exponent': 2\n\t        }\n\t    };\n\t    /**\n\t\t *  start the attack portion of the envelope\n\t\t *  @param {Time} [time=now] the time the attack should start\n\t\t *  @param {NormalRange} [velocity=1] the velocity of the note (0-1)\n\t\t *  @returns {Tone.MonoSynth} this\n\t\t *  @private\n\t\t */\n\t    Tone.MonoSynth.prototype._triggerEnvelopeAttack = function (time, velocity) {\n\t        //the envelopes\n\t        this.envelope.triggerAttack(time, velocity);\n\t        this.filterEnvelope.triggerAttack(time);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  start the release portion of the envelope\n\t\t *  @param {Time} [time=now] the time the release should start\n\t\t *  @returns {Tone.MonoSynth} this\n\t\t *  @private\n\t\t */\n\t    Tone.MonoSynth.prototype._triggerEnvelopeRelease = function (time) {\n\t        this.envelope.triggerRelease(time);\n\t        this.filterEnvelope.triggerRelease(time);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  clean up\n\t\t *  @returns {Tone.MonoSynth} this\n\t\t */\n\t    Tone.MonoSynth.prototype.dispose = function () {\n\t        Tone.Monophonic.prototype.dispose.call(this);\n\t        this._writable([\n\t            'oscillator',\n\t            'frequency',\n\t            'detune',\n\t            'filter',\n\t            'filterEnvelope',\n\t            'envelope'\n\t        ]);\n\t        this.oscillator.dispose();\n\t        this.oscillator = null;\n\t        this.envelope.dispose();\n\t        this.envelope = null;\n\t        this.filterEnvelope.dispose();\n\t        this.filterEnvelope = null;\n\t        this.filter.dispose();\n\t        this.filter = null;\n\t        this.frequency = null;\n\t        this.detune = null;\n\t        return this;\n\t    };\n\t    return Tone.MonoSynth;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  Tone.DuoSynth is a monophonic synth composed of two \n\t\t *          MonoSynths run in parallel with control over the \n\t\t *          frequency ratio between the two voices and vibrato effect.\n\t\t *          <img src=\"https://docs.google.com/drawings/d/1bL4GXvfRMMlqS7XyBm9CjL9KJPSUKbcdBNpqOlkFLxk/pub?w=1012&h=448\">\n\t\t *\n\t\t *  @constructor\n\t\t *  @extends {Tone.Monophonic}\n\t\t *  @param {Object} [options] the options available for the synth \n\t\t *                          see defaults below\n\t\t *  @example\n\t\t * var duoSynth = new Tone.DuoSynth().toMaster();\n\t\t * duoSynth.triggerAttackRelease(\"C4\", \"2n\");\n\t\t */\n\t    Tone.DuoSynth = function (options) {\n\t        options = this.defaultArg(options, Tone.DuoSynth.defaults);\n\t        Tone.Monophonic.call(this, options);\n\t        /**\n\t\t\t *  the first voice\n\t\t\t *  @type {Tone.MonoSynth}\n\t\t\t */\n\t        this.voice0 = new Tone.MonoSynth(options.voice0);\n\t        this.voice0.volume.value = -10;\n\t        /**\n\t\t\t *  the second voice\n\t\t\t *  @type {Tone.MonoSynth}\n\t\t\t */\n\t        this.voice1 = new Tone.MonoSynth(options.voice1);\n\t        this.voice1.volume.value = -10;\n\t        /**\n\t\t\t *  The vibrato LFO. \n\t\t\t *  @type {Tone.LFO}\n\t\t\t *  @private\n\t\t\t */\n\t        this._vibrato = new Tone.LFO(options.vibratoRate, -50, 50);\n\t        this._vibrato.start();\n\t        /**\n\t\t\t * the vibrato frequency\n\t\t\t * @type {Frequency}\n\t\t\t * @signal\n\t\t\t */\n\t        this.vibratoRate = this._vibrato.frequency;\n\t        /**\n\t\t\t *  the vibrato gain\n\t\t\t *  @type {Tone.Gain}\n\t\t\t *  @private\n\t\t\t */\n\t        this._vibratoGain = new Tone.Gain(options.vibratoAmount, Tone.Type.Positive);\n\t        /**\n\t\t\t * The amount of vibrato\n\t\t\t * @type {Positive}\n\t\t\t * @signal\n\t\t\t */\n\t        this.vibratoAmount = this._vibratoGain.gain;\n\t        /**\n\t\t\t *  the frequency control\n\t\t\t *  @type {Frequency}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.frequency = new Tone.Signal(440, Tone.Type.Frequency);\n\t        /**\n\t\t\t *  Harmonicity is the ratio between the two voices. A harmonicity of\n\t\t\t *  1 is no change. Harmonicity = 2 means a change of an octave. \n\t\t\t *  @type {Positive}\n\t\t\t *  @signal\n\t\t\t *  @example\n\t\t\t * //pitch voice1 an octave below voice0\n\t\t\t * duoSynth.harmonicity.value = 0.5;\n\t\t\t */\n\t        this.harmonicity = new Tone.Multiply(options.harmonicity);\n\t        this.harmonicity.units = Tone.Type.Positive;\n\t        //control the two voices frequency\n\t        this.frequency.connect(this.voice0.frequency);\n\t        this.frequency.chain(this.harmonicity, this.voice1.frequency);\n\t        this._vibrato.connect(this._vibratoGain);\n\t        this._vibratoGain.fan(this.voice0.detune, this.voice1.detune);\n\t        this.voice0.connect(this.output);\n\t        this.voice1.connect(this.output);\n\t        this._readOnly([\n\t            'voice0',\n\t            'voice1',\n\t            'frequency',\n\t            'vibratoAmount',\n\t            'vibratoRate'\n\t        ]);\n\t    };\n\t    Tone.extend(Tone.DuoSynth, Tone.Monophonic);\n\t    /**\n\t\t *  @static\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.DuoSynth.defaults = {\n\t        'vibratoAmount': 0.5,\n\t        'vibratoRate': 5,\n\t        'harmonicity': 1.5,\n\t        'voice0': {\n\t            'volume': -10,\n\t            'portamento': 0,\n\t            'oscillator': { 'type': 'sine' },\n\t            'filterEnvelope': {\n\t                'attack': 0.01,\n\t                'decay': 0,\n\t                'sustain': 1,\n\t                'release': 0.5\n\t            },\n\t            'envelope': {\n\t                'attack': 0.01,\n\t                'decay': 0,\n\t                'sustain': 1,\n\t                'release': 0.5\n\t            }\n\t        },\n\t        'voice1': {\n\t            'volume': -10,\n\t            'portamento': 0,\n\t            'oscillator': { 'type': 'sine' },\n\t            'filterEnvelope': {\n\t                'attack': 0.01,\n\t                'decay': 0,\n\t                'sustain': 1,\n\t                'release': 0.5\n\t            },\n\t            'envelope': {\n\t                'attack': 0.01,\n\t                'decay': 0,\n\t                'sustain': 1,\n\t                'release': 0.5\n\t            }\n\t        }\n\t    };\n\t    /**\n\t\t *  start the attack portion of the envelopes\n\t\t *  \n\t\t *  @param {Time} [time=now] the time the attack should start\n\t\t *  @param {NormalRange} [velocity=1] the velocity of the note (0-1)\n\t\t *  @returns {Tone.DuoSynth} this\n\t\t *  @private\n\t\t */\n\t    Tone.DuoSynth.prototype._triggerEnvelopeAttack = function (time, velocity) {\n\t        time = this.toSeconds(time);\n\t        this.voice0.envelope.triggerAttack(time, velocity);\n\t        this.voice1.envelope.triggerAttack(time, velocity);\n\t        this.voice0.filterEnvelope.triggerAttack(time);\n\t        this.voice1.filterEnvelope.triggerAttack(time);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  start the release portion of the envelopes\n\t\t *  \n\t\t *  @param {Time} [time=now] the time the release should start\n\t\t *  @returns {Tone.DuoSynth} this\n\t\t *  @private\n\t\t */\n\t    Tone.DuoSynth.prototype._triggerEnvelopeRelease = function (time) {\n\t        this.voice0.triggerRelease(time);\n\t        this.voice1.triggerRelease(time);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  clean up\n\t\t *  @returns {Tone.DuoSynth} this\n\t\t */\n\t    Tone.DuoSynth.prototype.dispose = function () {\n\t        Tone.Monophonic.prototype.dispose.call(this);\n\t        this._writable([\n\t            'voice0',\n\t            'voice1',\n\t            'frequency',\n\t            'vibratoAmount',\n\t            'vibratoRate'\n\t        ]);\n\t        this.voice0.dispose();\n\t        this.voice0 = null;\n\t        this.voice1.dispose();\n\t        this.voice1 = null;\n\t        this.frequency.dispose();\n\t        this.frequency = null;\n\t        this._vibratoGain.dispose();\n\t        this._vibratoGain = null;\n\t        this._vibrato = null;\n\t        this.harmonicity.dispose();\n\t        this.harmonicity = null;\n\t        this.vibratoAmount.dispose();\n\t        this.vibratoAmount = null;\n\t        this.vibratoRate = null;\n\t        return this;\n\t    };\n\t    return Tone.DuoSynth;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  FMSynth is composed of two Tone.Synths where one Tone.Synth modulates\n\t\t *          the frequency of a second Tone.Synth. A lot of spectral content \n\t\t *          can be explored using the modulationIndex parameter. Read more about\n\t\t *          frequency modulation synthesis on [SoundOnSound](http://www.soundonsound.com/sos/apr00/articles/synthsecrets.htm).\n\t\t *          <img src=\"https://docs.google.com/drawings/d/1h0PUDZXPgi4Ikx6bVT6oncrYPLluFKy7lj53puxj-DM/pub?w=902&h=462\">\n\t\t *\n\t\t *  @constructor\n\t\t *  @extends {Tone.Monophonic}\n\t\t *  @param {Object} [options] the options available for the synth \n\t\t *                          see defaults below\n\t\t *  @example\n\t\t * var fmSynth = new Tone.FMSynth().toMaster();\n\t\t * fmSynth.triggerAttackRelease(\"C5\", \"4n\");\n\t\t */\n\t    Tone.FMSynth = function (options) {\n\t        options = this.defaultArg(options, Tone.FMSynth.defaults);\n\t        Tone.Monophonic.call(this, options);\n\t        /**\n\t\t\t *  The carrier voice.\n\t\t\t *  @type {Tone.Synth}\n\t\t\t *  @private\n\t\t\t */\n\t        this._carrier = new Tone.Synth(options.carrier);\n\t        this._carrier.volume.value = -10;\n\t        /**\n\t\t\t *  The carrier's oscillator\n\t\t\t *  @type {Tone.Oscillator}\n\t\t\t */\n\t        this.oscillator = this._carrier.oscillator;\n\t        /**\n\t\t\t *  The carrier's envelope\n\t\t\t *  @type {Tone.Oscillator}\n\t\t\t */\n\t        this.envelope = this._carrier.envelope.set(options.envelope);\n\t        /**\n\t\t\t *  The modulator voice.\n\t\t\t *  @type {Tone.Synth}\n\t\t\t *  @private\n\t\t\t */\n\t        this._modulator = new Tone.Synth(options.modulator);\n\t        this._modulator.volume.value = -10;\n\t        /**\n\t\t\t *  The modulator's oscillator which is applied\n\t\t\t *  to the amplitude of the oscillator\n\t\t\t *  @type {Tone.Oscillator}\n\t\t\t */\n\t        this.modulation = this._modulator.oscillator.set(options.modulation);\n\t        /**\n\t\t\t *  The modulator's envelope\n\t\t\t *  @type {Tone.Oscillator}\n\t\t\t */\n\t        this.modulationEnvelope = this._modulator.envelope.set(options.modulationEnvelope);\n\t        /**\n\t\t\t *  The frequency control.\n\t\t\t *  @type {Frequency}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.frequency = new Tone.Signal(440, Tone.Type.Frequency);\n\t        /**\n\t\t\t *  The detune in cents\n\t\t\t *  @type {Cents}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.detune = new Tone.Signal(options.detune, Tone.Type.Cents);\n\t        /**\n\t\t\t *  Harmonicity is the ratio between the two voices. A harmonicity of\n\t\t\t *  1 is no change. Harmonicity = 2 means a change of an octave. \n\t\t\t *  @type {Positive}\n\t\t\t *  @signal\n\t\t\t *  @example\n\t\t\t * //pitch voice1 an octave below voice0\n\t\t\t * synth.harmonicity.value = 0.5;\n\t\t\t */\n\t        this.harmonicity = new Tone.Multiply(options.harmonicity);\n\t        this.harmonicity.units = Tone.Type.Positive;\n\t        /**\n\t\t\t *  The modulation index which essentially the depth or amount of the modulation. It is the \n\t\t\t *  ratio of the frequency of the modulating signal (mf) to the amplitude of the \n\t\t\t *  modulating signal (ma) -- as in ma/mf. \n\t\t\t *\t@type {Positive}\n\t\t\t *\t@signal\n\t\t\t */\n\t        this.modulationIndex = new Tone.Multiply(options.modulationIndex);\n\t        this.modulationIndex.units = Tone.Type.Positive;\n\t        /**\n\t\t\t *  the node where the modulation happens\n\t\t\t *  @type {GainNode}\n\t\t\t *  @private\n\t\t\t */\n\t        this._modulationNode = new Tone.Gain(0);\n\t        //control the two voices frequency\n\t        this.frequency.connect(this._carrier.frequency);\n\t        this.frequency.chain(this.harmonicity, this._modulator.frequency);\n\t        this.frequency.chain(this.modulationIndex, this._modulationNode);\n\t        this.detune.fan(this._carrier.detune, this._modulator.detune);\n\t        this._modulator.connect(this._modulationNode.gain);\n\t        this._modulationNode.connect(this._carrier.frequency);\n\t        this._carrier.connect(this.output);\n\t        this._readOnly([\n\t            'frequency',\n\t            'harmonicity',\n\t            'modulationIndex',\n\t            'oscillator',\n\t            'envelope',\n\t            'modulation',\n\t            'modulationEnvelope',\n\t            'detune'\n\t        ]);\n\t    };\n\t    Tone.extend(Tone.FMSynth, Tone.Monophonic);\n\t    /**\n\t\t *  @static\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.FMSynth.defaults = {\n\t        'harmonicity': 3,\n\t        'modulationIndex': 10,\n\t        'detune': 0,\n\t        'oscillator': { 'type': 'sine' },\n\t        'envelope': {\n\t            'attack': 0.01,\n\t            'decay': 0.01,\n\t            'sustain': 1,\n\t            'release': 0.5\n\t        },\n\t        'modulation': { 'type': 'square' },\n\t        'modulationEnvelope': {\n\t            'attack': 0.5,\n\t            'decay': 0,\n\t            'sustain': 1,\n\t            'release': 0.5\n\t        }\n\t    };\n\t    /**\n\t\t * \ttrigger the attack portion of the note\n\t\t *  \n\t\t *  @param  {Time} [time=now] the time the note will occur\n\t\t *  @param {number} [velocity=1] the velocity of the note\n\t\t *  @returns {Tone.FMSynth} this\n\t\t *  @private\n\t\t */\n\t    Tone.FMSynth.prototype._triggerEnvelopeAttack = function (time, velocity) {\n\t        time = this.toSeconds(time);\n\t        //the envelopes\n\t        this.envelope.triggerAttack(time, velocity);\n\t        this.modulationEnvelope.triggerAttack(time);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  trigger the release portion of the note\n\t\t *  \n\t\t *  @param  {Time} [time=now] the time the note will release\n\t\t *  @returns {Tone.FMSynth} this\n\t\t *  @private\n\t\t */\n\t    Tone.FMSynth.prototype._triggerEnvelopeRelease = function (time) {\n\t        time = this.toSeconds(time);\n\t        this.envelope.triggerRelease(time);\n\t        this.modulationEnvelope.triggerRelease(time);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  clean up\n\t\t *  @returns {Tone.FMSynth} this\n\t\t */\n\t    Tone.FMSynth.prototype.dispose = function () {\n\t        Tone.Monophonic.prototype.dispose.call(this);\n\t        this._writable([\n\t            'frequency',\n\t            'harmonicity',\n\t            'modulationIndex',\n\t            'oscillator',\n\t            'envelope',\n\t            'modulation',\n\t            'modulationEnvelope',\n\t            'detune'\n\t        ]);\n\t        this._carrier.dispose();\n\t        this._carrier = null;\n\t        this._modulator.dispose();\n\t        this._modulator = null;\n\t        this.frequency.dispose();\n\t        this.frequency = null;\n\t        this.detune.dispose();\n\t        this.detune = null;\n\t        this.modulationIndex.dispose();\n\t        this.modulationIndex = null;\n\t        this.harmonicity.dispose();\n\t        this.harmonicity = null;\n\t        this._modulationNode.dispose();\n\t        this._modulationNode = null;\n\t        this.oscillator = null;\n\t        this.envelope = null;\n\t        this.modulationEnvelope = null;\n\t        this.modulation = null;\n\t        return this;\n\t    };\n\t    return Tone.FMSynth;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  Tone.MembraneSynth makes kick and tom sounds using a single oscillator\n\t\t *          with an amplitude envelope and frequency ramp. A Tone.OmniOscillator\n\t\t *          is routed through a Tone.AmplitudeEnvelope to the output. The drum\n\t\t *          quality of the sound comes from the frequency envelope applied\n\t\t *          during during Tone.MembraneSynth.triggerAttack(note). The frequency\n\t\t *          envelope starts at <code>note * .octaves</code> and ramps to \n\t\t *          <code>note</code> over the duration of <code>.pitchDecay</code>. \n\t\t *\n\t\t *  @constructor\n\t\t *  @extends {Tone.Instrument}\n\t\t *  @param {Object} [options] the options available for the synth \n\t\t *                          see defaults below\n\t\t *  @example\n\t\t * var synth = new Tone.MembraneSynth().toMaster();\n\t\t * synth.triggerAttackRelease(\"C2\", \"8n\");\n\t\t */\n\t    Tone.MembraneSynth = function (options) {\n\t        options = this.defaultArg(options, Tone.MembraneSynth.defaults);\n\t        Tone.Instrument.call(this, options);\n\t        /**\n\t\t\t *  The oscillator.\n\t\t\t *  @type {Tone.OmniOscillator}\n\t\t\t */\n\t        this.oscillator = new Tone.OmniOscillator(options.oscillator).start();\n\t        /**\n\t\t\t *  The amplitude envelope.\n\t\t\t *  @type {Tone.AmplitudeEnvelope}\n\t\t\t */\n\t        this.envelope = new Tone.AmplitudeEnvelope(options.envelope);\n\t        /**\n\t\t\t *  The number of octaves the pitch envelope ramps.\n\t\t\t *  @type {Positive}\n\t\t\t */\n\t        this.octaves = options.octaves;\n\t        /**\n\t\t\t *  The amount of time the frequency envelope takes. \n\t\t\t *  @type {Time}\n\t\t\t */\n\t        this.pitchDecay = options.pitchDecay;\n\t        this.oscillator.chain(this.envelope, this.output);\n\t        this._readOnly([\n\t            'oscillator',\n\t            'envelope'\n\t        ]);\n\t    };\n\t    Tone.extend(Tone.MembraneSynth, Tone.Instrument);\n\t    /**\n\t\t *  @static\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.MembraneSynth.defaults = {\n\t        'pitchDecay': 0.05,\n\t        'octaves': 10,\n\t        'oscillator': { 'type': 'sine' },\n\t        'envelope': {\n\t            'attack': 0.001,\n\t            'decay': 0.4,\n\t            'sustain': 0.01,\n\t            'release': 1.4,\n\t            'attackCurve': 'exponential'\n\t        }\n\t    };\n\t    /**\n\t\t *  Trigger the note at the given time with the given velocity. \n\t\t *  \n\t\t *  @param  {Frequency} note     the note\n\t\t *  @param  {Time} [time=now]     the time, if not given is now\n\t\t *  @param  {number} [velocity=1] velocity defaults to 1\n\t\t *  @returns {Tone.MembraneSynth} this\n\t\t *  @example\n\t\t *  kick.triggerAttack(60);\n\t\t */\n\t    Tone.MembraneSynth.prototype.triggerAttack = function (note, time, velocity) {\n\t        time = this.toSeconds(time);\n\t        note = this.toFrequency(note);\n\t        var maxNote = note * this.octaves;\n\t        this.oscillator.frequency.setValueAtTime(maxNote, time);\n\t        this.oscillator.frequency.exponentialRampToValueAtTime(note, time + this.toSeconds(this.pitchDecay));\n\t        this.envelope.triggerAttack(time, velocity);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Trigger the release portion of the note.\n\t\t *  \n\t\t *  @param  {Time} [time=now] the time the note will release\n\t\t *  @returns {Tone.MembraneSynth} this\n\t\t */\n\t    Tone.MembraneSynth.prototype.triggerRelease = function (time) {\n\t        this.envelope.triggerRelease(time);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Clean up.\n\t\t *  @returns {Tone.MembraneSynth} this\n\t\t */\n\t    Tone.MembraneSynth.prototype.dispose = function () {\n\t        Tone.Instrument.prototype.dispose.call(this);\n\t        this._writable([\n\t            'oscillator',\n\t            'envelope'\n\t        ]);\n\t        this.oscillator.dispose();\n\t        this.oscillator = null;\n\t        this.envelope.dispose();\n\t        this.envelope = null;\n\t        return this;\n\t    };\n\t    return Tone.MembraneSynth;\n\t});\n\tModule(function (Tone) {\n\t    /**\n\t\t *  Inharmonic ratio of frequencies based on the Roland TR-808\n\t\t *  Taken from https://ccrma.stanford.edu/papers/tr-808-cymbal-physically-informed-circuit-bendable-digital-model\n\t\t *  @private\n\t\t *  @static\n\t\t *  @type {Array}\n\t\t */\n\t    var inharmRatios = [\n\t        1,\n\t        1.483,\n\t        1.932,\n\t        2.546,\n\t        2.63,\n\t        3.897\n\t    ];\n\t    /**\n\t\t *  @class  A highly inharmonic and spectrally complex source with a highpass filter\n\t\t *          and amplitude envelope which is good for making metalophone sounds. Based\n\t\t *          on CymbalSynth by [@polyrhythmatic](https://github.com/polyrhythmatic).\n\t\t *          Inspiration from [Sound on Sound](http://www.soundonsound.com/sos/jul02/articles/synthsecrets0702.asp).\n\t\t *\n\t\t *  @constructor\n\t\t *  @extends {Tone.Instrument}\n\t\t *  @param {Object} [options] The options availble for the synth\n\t\t *                             see defaults below\n\t\t */\n\t    Tone.MetalSynth = function (options) {\n\t        options = this.defaultArg(options, Tone.MetalSynth.defaults);\n\t        Tone.Instrument.call(this, options);\n\t        /**\n\t\t\t *  The frequency of the cymbal\n\t\t\t *  @type  {Frequency}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.frequency = new Tone.Signal(options.frequency, Tone.Type.Frequency);\n\t        /**\n\t\t\t *  The array of FMOscillators\n\t\t\t *  @type  {Array}\n\t\t\t *  @private\n\t\t\t */\n\t        this._oscillators = [];\n\t        /**\n\t\t\t *  The frequency multipliers\n\t\t\t *  @type {Array}\n\t\t\t *  @private\n\t\t\t */\n\t        this._freqMultipliers = [];\n\t        /**\n\t\t\t *  The amplitude for the body\n\t\t\t *  @type {Tone.Gain}\n\t\t\t *  @private\n\t\t\t */\n\t        this._amplitue = new Tone.Gain(0).connect(this.output);\n\t        /**\n\t\t\t *  highpass the output\n\t\t\t *  @type {Tone.Filter}\n\t\t\t *  @private\n\t\t\t */\n\t        this._highpass = new Tone.Filter({\n\t            'type': 'highpass',\n\t            'Q': -3.0102999566398125\n\t        }).connect(this._amplitue);\n\t        /**\n\t\t\t *  The number of octaves the highpass\n\t\t\t *  filter frequency ramps\n\t\t\t *  @type {Number}\n\t\t\t *  @private\n\t\t\t */\n\t        this._octaves = options.octaves;\n\t        /**\n\t\t\t *  Scale the body envelope\n\t\t\t *  for the bandpass\n\t\t\t *  @type {Tone.Scale}\n\t\t\t *  @private\n\t\t\t */\n\t        this._filterFreqScaler = new Tone.Scale(options.resonance, 7000);\n\t        /**\n\t\t\t *  The envelope which is connected both to the \n\t\t\t *  amplitude and highpass filter's cutoff frequency\n\t\t\t *  @type  {Tone.Envelope}\n\t\t\t */\n\t        this.envelope = new Tone.Envelope({\n\t            'attack': options.envelope.attack,\n\t            'attackCurve': 'linear',\n\t            'decay': options.envelope.decay,\n\t            'sustain': 0,\n\t            'release': options.envelope.release\n\t        }).chain(this._filterFreqScaler, this._highpass.frequency);\n\t        this.envelope.connect(this._amplitue.gain);\n\t        for (var i = 0; i < inharmRatios.length; i++) {\n\t            var osc = new Tone.FMOscillator({\n\t                'type': 'square',\n\t                'modulationType': 'square',\n\t                'harmonicity': options.harmonicity,\n\t                'modulationIndex': options.modulationIndex\n\t            });\n\t            osc.connect(this._highpass).start(0);\n\t            this._oscillators[i] = osc;\n\t            var mult = new Tone.Multiply(inharmRatios[i]);\n\t            this._freqMultipliers[i] = mult;\n\t            this.frequency.chain(mult, osc.frequency);\n\t        }\n\t        //set the octaves\n\t        this.octaves = options.octaves;\n\t    };\n\t    Tone.extend(Tone.MetalSynth, Tone.Instrument);\n\t    /**\n\t\t *  default values\n\t\t *  @static\n\t\t *  @const\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.MetalSynth.defaults = {\n\t        'frequency': 200,\n\t        'envelope': {\n\t            'attack': 0.001,\n\t            'decay': 1.4,\n\t            'release': 0.2\n\t        },\n\t        'harmonicity': 5.1,\n\t        'modulationIndex': 32,\n\t        'resonance': 4000,\n\t        'octaves': 1.5\n\t    };\n\t    /**\n\t\t *  Trigger the attack.\n\t\t *  @param  {Time}  time      When the attack should be triggered.\n\t\t *  @param  {NormalRange=1}  velocity  The velocity that the envelope should be triggered at.\n\t\t *  @return  {Tone.MetalSynth}  this\n\t\t */\n\t    Tone.MetalSynth.prototype.triggerAttack = function (time, vel) {\n\t        time = this.toSeconds(time);\n\t        vel = this.defaultArg(vel, 1);\n\t        this.envelope.triggerAttack(time, vel);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Trigger the release of the envelope.\n\t\t *  @param  {Time}  time      When the release should be triggered.\n\t\t *  @return  {Tone.MetalSynth}  this\n\t\t */\n\t    Tone.MetalSynth.prototype.triggerRelease = function (time) {\n\t        time = this.toSeconds(time);\n\t        this.envelope.triggerRelease(time);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Trigger the attack and release of the envelope after the given \n\t\t *  duration. \n\t\t *  @param  {Time}  duration  The duration before triggering the release\n\t\t *  @param  {Time}  time      When the attack should be triggered.\n\t\t *  @param  {NormalRange=1}  velocity  The velocity that the envelope should be triggered at.\n\t\t *  @return  {Tone.MetalSynth}  this\n\t\t */\n\t    Tone.MetalSynth.prototype.triggerAttackRelease = function (duration, time, velocity) {\n\t        time = this.toSeconds(time);\n\t        duration = this.toSeconds(duration);\n\t        this.triggerAttack(time, velocity);\n\t        this.triggerRelease(time + duration);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  The modulationIndex of the oscillators which make up the source.\n\t\t *  see Tone.FMOscillator.modulationIndex\n\t\t *  @memberOf Tone.MetalSynth#\n\t\t *  @type {Positive}\n\t\t *  @name  modulationIndex\n\t\t */\n\t    Object.defineProperty(Tone.MetalSynth.prototype, 'modulationIndex', {\n\t        get: function () {\n\t            return this._oscillators[0].modulationIndex.value;\n\t        },\n\t        set: function (val) {\n\t            for (var i = 0; i < this._oscillators.length; i++) {\n\t                this._oscillators[i].modulationIndex.value = val;\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t *  The harmonicity of the oscillators which make up the source.\n\t\t *  see Tone.FMOscillator.harmonicity\n\t\t *  @memberOf Tone.MetalSynth#\n\t\t *  @type {Positive}\n\t\t *  @name  harmonicity\n\t\t */\n\t    Object.defineProperty(Tone.MetalSynth.prototype, 'harmonicity', {\n\t        get: function () {\n\t            return this._oscillators[0].harmonicity.value;\n\t        },\n\t        set: function (val) {\n\t            for (var i = 0; i < this._oscillators.length; i++) {\n\t                this._oscillators[i].harmonicity.value = val;\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t *  The frequency of the highpass filter attached to the envelope\n\t\t *  @memberOf Tone.MetalSynth#\n\t\t *  @type {Frequency}\n\t\t *  @name  resonance\n\t\t */\n\t    Object.defineProperty(Tone.MetalSynth.prototype, 'resonance', {\n\t        get: function () {\n\t            return this._filterFreqScaler.min;\n\t        },\n\t        set: function (val) {\n\t            this._filterFreqScaler.min = val;\n\t            this.octaves = this._octaves;\n\t        }\n\t    });\n\t    /**\n\t\t *  The number of octaves above the \"resonance\" frequency\n\t\t *  that the filter ramps during the attack/decay envelope\n\t\t *  @memberOf Tone.MetalSynth#\n\t\t *  @type {Number}\n\t\t *  @name  octaves\n\t\t */\n\t    Object.defineProperty(Tone.MetalSynth.prototype, 'octaves', {\n\t        get: function () {\n\t            return this._octaves;\n\t        },\n\t        set: function (octs) {\n\t            this._octaves = octs;\n\t            this._filterFreqScaler.max = this._filterFreqScaler.min * Math.pow(2, octs);\n\t        }\n\t    });\n\t    /**\n\t\t *  Clean up\n\t\t *  @returns {Tone.MetalSynth} this\n\t\t */\n\t    Tone.MetalSynth.prototype.dispose = function () {\n\t        Tone.Instrument.prototype.dispose.call(this);\n\t        for (var i = 0; i < this._oscillators.length; i++) {\n\t            this._oscillators[i].dispose();\n\t            this._freqMultipliers[i].dispose();\n\t        }\n\t        this._oscillators = null;\n\t        this._freqMultipliers = null;\n\t        this.frequency.dispose();\n\t        this.frequency = null;\n\t        this._filterFreqScaler.dispose();\n\t        this._filterFreqScaler = null;\n\t        this._amplitue.dispose();\n\t        this._amplitue = null;\n\t        this.envelope.dispose();\n\t        this.envelope = null;\n\t        this._highpass.dispose();\n\t        this._highpass = null;\n\t    };\n\t    return Tone.MetalSynth;\n\t});\n\tModule(function (Tone) {\n\t    /**\n\t\t *  BufferSource polyfill\n\t\t */\n\t    if (window.AudioBufferSourceNode && !AudioBufferSourceNode.prototype.start) {\n\t        AudioBufferSourceNode.prototype.start = AudioBufferSourceNode.prototype.noteGrainOn;\n\t        AudioBufferSourceNode.prototype.stop = AudioBufferSourceNode.prototype.noteOff;\n\t    }\n\t    /**\n\t\t *  @class Wrapper around the native BufferSourceNode.\n\t\t *  @param  {AudioBuffer|Tone.Buffer}  buffer   The buffer to play\n\t\t *  @param  {Function}  onended  The callback to invoke when the \n\t\t *                               buffer is done playing.\n\t\t */\n\t    Tone.BufferSource = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'buffer',\n\t            'onended'\n\t        ], Tone.BufferSource.defaults);\n\t        /**\n\t\t\t *  The callback to invoke after the \n\t\t\t *  buffer source is done playing. \n\t\t\t *  @type  {Function}\n\t\t\t */\n\t        this.onended = options.onended;\n\t        /**\n\t\t\t *  The time that the buffer was started.\n\t\t\t *  @type  {Number}\n\t\t\t *  @private\n\t\t\t */\n\t        this._startTime = -1;\n\t        /**\n\t\t\t *  The time that the buffer is scheduled to stop.\n\t\t\t *  @type  {Number}\n\t\t\t *  @private\n\t\t\t */\n\t        this._stopTime = -1;\n\t        /**\n\t\t\t *  The gain node which envelopes the BufferSource\n\t\t\t *  @type  {Tone.Gain}\n\t\t\t *  @private\n\t\t\t */\n\t        this._gainNode = this.output = new Tone.Gain();\n\t        /**\n\t\t\t *  The buffer source\n\t\t\t *  @type  {AudioBufferSourceNode}\n\t\t\t *  @private\n\t\t\t */\n\t        this._source = this.context.createBufferSource();\n\t        this._source.connect(this._gainNode);\n\t        /**\n\t\t\t *  The playbackRate of the buffer\n\t\t\t *  @type {Positive}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.playbackRate = new Tone.Param(this._source.playbackRate, Tone.Type.Positive);\n\t        /**\n\t\t\t *  The fadeIn time of the amplitude envelope.\n\t\t\t *  @type {Time}\n\t\t\t */\n\t        this.fadeIn = options.fadeIn;\n\t        /**\n\t\t\t *  The fadeOut time of the amplitude envelope.\n\t\t\t *  @type {Time}\n\t\t\t */\n\t        this.fadeOut = options.fadeOut;\n\t        /**\n\t\t\t *  The value that the buffer ramps to\n\t\t\t *  @type {Gain}\n\t\t\t *  @private\n\t\t\t */\n\t        this._gain = 1;\n\t        /**\n\t\t\t * The onended timeout\n\t\t\t * @type {Number}\n\t\t\t * @private\n\t\t\t */\n\t        this._onendedTimeout = -1;\n\t        //set the buffer initially\n\t        if (!this.isUndef(options.buffer)) {\n\t            this.buffer = options.buffer;\n\t        }\n\t        this.loop = options.loop;\n\t    };\n\t    Tone.extend(Tone.BufferSource);\n\t    /**\n\t\t *  The defaults\n\t\t *  @const\n\t\t *  @type  {Object}\n\t\t */\n\t    Tone.BufferSource.defaults = {\n\t        'onended': Tone.noOp,\n\t        'fadeIn': 0,\n\t        'fadeOut': 0\n\t    };\n\t    /**\n\t\t *  Returns the playback state of the source, either \"started\" or \"stopped\".\n\t\t *  @type {Tone.State}\n\t\t *  @readOnly\n\t\t *  @memberOf Tone.BufferSource#\n\t\t *  @name state\n\t\t */\n\t    Object.defineProperty(Tone.BufferSource.prototype, 'state', {\n\t        get: function () {\n\t            var now = this.now();\n\t            if (this._startTime !== -1 && now >= this._startTime && now < this._stopTime) {\n\t                return Tone.State.Started;\n\t            } else {\n\t                return Tone.State.Stopped;\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t *  Start the buffer\n\t\t *  @param  {Time} [startTime=now] When the player should start.\n\t\t *  @param  {Time} [offset=0] The offset from the beginning of the sample\n\t\t *                                 to start at. \n\t\t *  @param  {Time=} duration How long the sample should play. If no duration\n\t\t *                                is given, it will default to the full length \n\t\t *                                of the sample (minus any offset)\n\t\t *  @param  {Gain}  [gain=1]  The gain to play the buffer back at.\n\t\t *  @param  {Time=}  fadeInTime  The optional fadeIn ramp time.\n\t\t *  @return  {Tone.BufferSource}  this\n\t\t */\n\t    Tone.BufferSource.prototype.start = function (time, offset, duration, gain, fadeInTime) {\n\t        if (this._startTime !== -1) {\n\t            throw new Error('Tone.BufferSource: can only be started once.');\n\t        }\n\t        if (this.buffer) {\n\t            time = this.toSeconds(time);\n\t            //if it's a loop the default offset is the loopstart point\n\t            if (this.loop) {\n\t                offset = this.defaultArg(offset, this.loopStart);\n\t            } else {\n\t                //otherwise the default offset is 0\n\t                offset = this.defaultArg(offset, 0);\n\t            }\n\t            offset = this.toSeconds(offset);\n\t            //the values in seconds\n\t            time = this.toSeconds(time);\n\t            this._source.start(time, offset);\n\t            gain = this.defaultArg(gain, 1);\n\t            this._gain = gain;\n\t            //the fadeIn time\n\t            if (this.isUndef(fadeInTime)) {\n\t                fadeInTime = this.toSeconds(this.fadeIn);\n\t            } else {\n\t                fadeInTime = this.toSeconds(fadeInTime);\n\t            }\n\t            if (fadeInTime > 0) {\n\t                this._gainNode.gain.setValueAtTime(0, time);\n\t                this._gainNode.gain.linearRampToValueAtTime(this._gain, time + fadeInTime);\n\t            } else {\n\t                this._gainNode.gain.setValueAtTime(gain, time);\n\t            }\n\t            this._startTime = time + fadeInTime;\n\t            if (!this.isUndef(duration)) {\n\t                duration = this.defaultArg(duration, this.buffer.duration - offset);\n\t                duration = this.toSeconds(duration);\n\t                this.stop(time + duration + fadeInTime, fadeInTime);\n\t            }\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Stop the buffer. Optionally add a ramp time to fade the \n\t\t *  buffer out. \n\t\t *  @param  {Time=}  time         The time the buffer should stop.\n\t\t *  @param  {Time=}  fadeOutTime  How long the gain should fade out for\n\t\t *  @return  {Tone.BufferSource}  this\n\t\t */\n\t    Tone.BufferSource.prototype.stop = function (time, fadeOutTime) {\n\t        if (this.buffer) {\n\t            time = this.toSeconds(time);\n\t            //the fadeOut time\n\t            if (this.isUndef(fadeOutTime)) {\n\t                fadeOutTime = this.toSeconds(this.fadeOut);\n\t            } else {\n\t                fadeOutTime = this.toSeconds(fadeOutTime);\n\t            }\n\t            this._stopTime = time + fadeOutTime;\n\t            //cancel the end curve\n\t            this._gainNode.gain.cancelScheduledValues(this._startTime + this.sampleTime);\n\t            //set a new one\n\t            if (fadeOutTime > 0) {\n\t                this._gainNode.gain.setValueAtTime(this._gain, time);\n\t                this._gainNode.gain.linearRampToValueAtTime(0, time + fadeOutTime);\n\t                time += fadeOutTime;\n\t            } else {\n\t                this._gainNode.gain.setValueAtTime(0, time);\n\t            }\n\t            // fix for safari bug and old FF\n\t            if (!this.isNumber(this._source.playbackState) || this._source.playbackState === 2) {\n\t                this._source.stop(time);\n\t            }\n\t            clearTimeout(this._onendedTimeout);\n\t            this._onendedTimeout = setTimeout(this._onended.bind(this), (this._stopTime - this.now()) * 1000);\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Internal callback when the buffer is ended. \n\t\t *  Invokes `onended` and disposes the node.\n\t\t *  @private\n\t\t */\n\t    Tone.BufferSource.prototype._onended = function () {\n\t        this.onended(this);\n\t        this.dispose();\n\t    };\n\t    /**\n\t\t * If loop is true, the loop will start at this position. \n\t\t * @memberOf Tone.BufferSource#\n\t\t * @type {Time}\n\t\t * @name loopStart\n\t\t */\n\t    Object.defineProperty(Tone.BufferSource.prototype, 'loopStart', {\n\t        get: function () {\n\t            return this._source.loopStart;\n\t        },\n\t        set: function (loopStart) {\n\t            this._source.loopStart = this.toSeconds(loopStart);\n\t        }\n\t    });\n\t    /**\n\t\t * If loop is true, the loop will end at this position.\n\t\t * @memberOf Tone.BufferSource#\n\t\t * @type {Time}\n\t\t * @name loopEnd\n\t\t */\n\t    Object.defineProperty(Tone.BufferSource.prototype, 'loopEnd', {\n\t        get: function () {\n\t            return this._source.loopEnd;\n\t        },\n\t        set: function (loopEnd) {\n\t            this._source.loopEnd = this.toSeconds(loopEnd);\n\t        }\n\t    });\n\t    /**\n\t\t * The audio buffer belonging to the player. \n\t\t * @memberOf Tone.BufferSource#\n\t\t * @type {AudioBuffer}\n\t\t * @name buffer\n\t\t */\n\t    Object.defineProperty(Tone.BufferSource.prototype, 'buffer', {\n\t        get: function () {\n\t            if (this._source) {\n\t                return this._source.buffer;\n\t            } else {\n\t                return null;\n\t            }\n\t        },\n\t        set: function (buffer) {\n\t            if (buffer instanceof Tone.Buffer) {\n\t                this._source.buffer = buffer.get();\n\t            } else {\n\t                this._source.buffer = buffer;\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t * If the buffer should loop once it's over. \n\t\t * @memberOf Tone.BufferSource#\n\t\t * @type {boolean}\n\t\t * @name loop\n\t\t */\n\t    Object.defineProperty(Tone.BufferSource.prototype, 'loop', {\n\t        get: function () {\n\t            return this._source.loop;\n\t        },\n\t        set: function (loop) {\n\t            this._source.loop = loop;\n\t        }\n\t    });\n\t    /**\n\t\t *  Clean up.\n\t\t *  @return  {Tone.BufferSource}  this\n\t\t */\n\t    Tone.BufferSource.prototype.dispose = function () {\n\t        this.onended = null;\n\t        if (this._source) {\n\t            this._source.disconnect();\n\t            this._source = null;\n\t        }\n\t        if (this._gainNode) {\n\t            this._gainNode.dispose();\n\t            this._gainNode = null;\n\t        }\n\t        this._startTime = -1;\n\t        this.playbackRate = null;\n\t        this.output = null;\n\t        clearTimeout(this._onendedTimeout);\n\t        return this;\n\t    };\n\t    return Tone.BufferSource;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  Tone.Noise is a noise generator. It uses looped noise buffers to save on performance.\n\t\t *          Tone.Noise supports the noise types: \"pink\", \"white\", and \"brown\". Read more about\n\t\t *          colors of noise on [Wikipedia](https://en.wikipedia.org/wiki/Colors_of_noise).\n\t\t *\n\t\t *  @constructor\n\t\t *  @extends {Tone.Source}\n\t\t *  @param {string} type the noise type (white|pink|brown)\n\t\t *  @example\n\t\t * //initialize the noise and start\n\t\t * var noise = new Tone.Noise(\"pink\").start();\n\t\t * \n\t\t * //make an autofilter to shape the noise\n\t\t * var autoFilter = new Tone.AutoFilter({\n\t\t * \t\"frequency\" : \"8m\", \n\t\t * \t\"min\" : 800, \n\t\t * \t\"max\" : 15000\n\t\t * }).connect(Tone.Master);\n\t\t * \n\t\t * //connect the noise\n\t\t * noise.connect(autoFilter);\n\t\t * //start the autofilter LFO\n\t\t * autoFilter.start()\n\t\t */\n\t    Tone.Noise = function () {\n\t        var options = this.optionsObject(arguments, ['type'], Tone.Noise.defaults);\n\t        Tone.Source.call(this, options);\n\t        /**\n\t\t\t *  @private\n\t\t\t *  @type {AudioBufferSourceNode}\n\t\t\t */\n\t        this._source = null;\n\t        /**\n\t\t\t *  the buffer\n\t\t\t *  @private\n\t\t\t *  @type {AudioBuffer}\n\t\t\t */\n\t        this._type = options.type;\n\t        /**\n\t\t\t *  The playback rate of the noise. Affects\n\t\t\t *  the \"frequency\" of the noise.\n\t\t\t *  @type {Positive}\n\t\t\t *  @signal\n\t\t\t */\n\t        this._playbackRate = options.playbackRate;\n\t    };\n\t    Tone.extend(Tone.Noise, Tone.Source);\n\t    /**\n\t\t *  the default parameters\n\t\t *\n\t\t *  @static\n\t\t *  @const\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.Noise.defaults = {\n\t        'type': 'white',\n\t        'playbackRate': 1\n\t    };\n\t    /**\n\t\t * The type of the noise. Can be \"white\", \"brown\", or \"pink\". \n\t\t * @memberOf Tone.Noise#\n\t\t * @type {string}\n\t\t * @name type\n\t\t * @example\n\t\t * noise.type = \"white\";\n\t\t */\n\t    Object.defineProperty(Tone.Noise.prototype, 'type', {\n\t        get: function () {\n\t            return this._type;\n\t        },\n\t        set: function (type) {\n\t            if (this._type !== type) {\n\t                if (type in _noiseBuffers) {\n\t                    this._type = type;\n\t                    //if it's playing, stop and restart it\n\t                    if (this.state === Tone.State.Started) {\n\t                        var now = this.now() + this.blockTime;\n\t                        this._stop(now);\n\t                        this._start(now);\n\t                    }\n\t                } else {\n\t                    throw new TypeError('Tone.Noise: invalid type: ' + type);\n\t                }\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t *  The playback rate of the noise. Affects\n\t\t *  the \"frequency\" of the noise.\n\t\t *  @type {Positive}\n\t\t *  @signal\n\t\t */\n\t    Object.defineProperty(Tone.Noise.prototype, 'playbackRate', {\n\t        get: function () {\n\t            return this._playbackRate;\n\t        },\n\t        set: function (rate) {\n\t            this._playbackRate = rate;\n\t            if (this._source) {\n\t                this._source.playbackRate.value = rate;\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t *  internal start method\n\t\t *\n\t\t *  @param {Time} time\n\t\t *  @private\n\t\t */\n\t    Tone.Noise.prototype._start = function (time) {\n\t        var buffer = _noiseBuffers[this._type];\n\t        this._source = new Tone.BufferSource(buffer).connect(this.output);\n\t        this._source.loop = true;\n\t        this._source.playbackRate.value = this._playbackRate;\n\t        this._source.start(this.toSeconds(time), Math.random() * (buffer.duration - 0.001));\n\t    };\n\t    /**\n\t\t *  internal stop method\n\t\t *\n\t\t *  @param {Time} time\n\t\t *  @private\n\t\t */\n\t    Tone.Noise.prototype._stop = function (time) {\n\t        if (this._source) {\n\t            this._source.stop(this.toSeconds(time));\n\t            this._source = null;\n\t        }\n\t    };\n\t    /**\n\t\t *  Clean up.\n\t\t *  @returns {Tone.Noise} this\n\t\t */\n\t    Tone.Noise.prototype.dispose = function () {\n\t        Tone.Source.prototype.dispose.call(this);\n\t        if (this._source !== null) {\n\t            this._source.disconnect();\n\t            this._source = null;\n\t        }\n\t        this._buffer = null;\n\t        return this;\n\t    };\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    // THE BUFFERS\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    //Noise buffer stats\n\t    var bufferLength = 44100 * 5;\n\t    var channels = 2;\n\t    /**\n\t\t *\tthe noise arrays. only generated once on init\n\t\t *  @static\n\t\t *  @private\n\t\t *  @type {Array}\n\t\t *  borrowed heavily from https://github.com/zacharydenton/noise.js \n\t\t *  (c) 2013 Zach Denton (MIT)\n\t\t */\n\t    var _noiseArrays = {\n\t        'pink': function () {\n\t            var buffer = [];\n\t            for (var channelNum = 0; channelNum < channels; channelNum++) {\n\t                var channel = new Float32Array(bufferLength);\n\t                buffer[channelNum] = channel;\n\t                var b0, b1, b2, b3, b4, b5, b6;\n\t                b0 = b1 = b2 = b3 = b4 = b5 = b6 = 0;\n\t                for (var i = 0; i < bufferLength; i++) {\n\t                    var white = Math.random() * 2 - 1;\n\t                    b0 = 0.99886 * b0 + white * 0.0555179;\n\t                    b1 = 0.99332 * b1 + white * 0.0750759;\n\t                    b2 = 0.969 * b2 + white * 0.153852;\n\t                    b3 = 0.8665 * b3 + white * 0.3104856;\n\t                    b4 = 0.55 * b4 + white * 0.5329522;\n\t                    b5 = -0.7616 * b5 - white * 0.016898;\n\t                    channel[i] = b0 + b1 + b2 + b3 + b4 + b5 + b6 + white * 0.5362;\n\t                    channel[i] *= 0.11;\n\t                    // (roughly) compensate for gain\n\t                    b6 = white * 0.115926;\n\t                }\n\t            }\n\t            return buffer;\n\t        }(),\n\t        'brown': function () {\n\t            var buffer = [];\n\t            for (var channelNum = 0; channelNum < channels; channelNum++) {\n\t                var channel = new Float32Array(bufferLength);\n\t                buffer[channelNum] = channel;\n\t                var lastOut = 0;\n\t                for (var i = 0; i < bufferLength; i++) {\n\t                    var white = Math.random() * 2 - 1;\n\t                    channel[i] = (lastOut + 0.02 * white) / 1.02;\n\t                    lastOut = channel[i];\n\t                    channel[i] *= 3.5;    // (roughly) compensate for gain\n\t                }\n\t            }\n\t            return buffer;\n\t        }(),\n\t        'white': function () {\n\t            var buffer = [];\n\t            for (var channelNum = 0; channelNum < channels; channelNum++) {\n\t                var channel = new Float32Array(bufferLength);\n\t                buffer[channelNum] = channel;\n\t                for (var i = 0; i < bufferLength; i++) {\n\t                    channel[i] = Math.random() * 2 - 1;\n\t                }\n\t            }\n\t            return buffer;\n\t        }()\n\t    };\n\t    /**\n\t\t *\tstatic noise buffers\n\t\t *  @static\n\t\t *  @private\n\t\t *  @type {Tone.Buffer}\n\t\t */\n\t    var _noiseBuffers = {};\n\t    //create the Tone.Buffers\n\t    function createBuffers() {\n\t        for (var type in _noiseArrays) {\n\t            _noiseBuffers[type] = new Tone.Buffer().fromArray(_noiseArrays[type]);\n\t        }\n\t    }\n\t    createBuffers();\n\t    Tone.Context.on('init', createBuffers);\n\t    return Tone.Noise;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  Tone.NoiseSynth is composed of a noise generator (Tone.Noise), one filter (Tone.Filter), \n\t\t *          and two envelopes (Tone.Envelop). One envelope controls the amplitude\n\t\t *          of the noise and the other is controls the cutoff frequency of the filter. \n\t\t *          <img src=\"https://docs.google.com/drawings/d/1rqzuX9rBlhT50MRvD2TKml9bnZhcZmzXF1rf_o7vdnE/pub?w=918&h=242\">\n\t\t *\n\t\t *  @constructor\n\t\t *  @extends {Tone.Instrument}\n\t\t *  @param {Object} [options] the options available for the synth \n\t\t *                          see defaults below\n\t\t * @example\n\t\t * var noiseSynth = new Tone.NoiseSynth().toMaster();\n\t\t * noiseSynth.triggerAttackRelease(\"8n\");\n\t\t */\n\t    Tone.NoiseSynth = function (options) {\n\t        //get the defaults\n\t        options = this.defaultArg(options, Tone.NoiseSynth.defaults);\n\t        Tone.Instrument.call(this, options);\n\t        /**\n\t\t\t *  The noise source.\n\t\t\t *  @type {Tone.Noise}\n\t\t\t *  @example\n\t\t\t * noiseSynth.set(\"noise.type\", \"brown\");\n\t\t\t */\n\t        this.noise = new Tone.Noise();\n\t        /**\n\t\t\t *  The amplitude envelope. \n\t\t\t *  @type {Tone.AmplitudeEnvelope}\n\t\t\t */\n\t        this.envelope = new Tone.AmplitudeEnvelope(options.envelope);\n\t        //connect the noise to the output\n\t        this.noise.chain(this.envelope, this.output);\n\t        //start the noise\n\t        this.noise.start();\n\t        this._readOnly([\n\t            'noise',\n\t            'envelope'\n\t        ]);\n\t    };\n\t    Tone.extend(Tone.NoiseSynth, Tone.Instrument);\n\t    /**\n\t\t *  @const\n\t\t *  @static\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.NoiseSynth.defaults = {\n\t        'noise': { 'type': 'white' },\n\t        'envelope': {\n\t            'attack': 0.005,\n\t            'decay': 0.1,\n\t            'sustain': 0\n\t        }\n\t    };\n\t    /**\n\t\t *  Start the attack portion of the envelopes. Unlike other \n\t\t *  instruments, Tone.NoiseSynth doesn't have a note. \n\t\t *  @param {Time} [time=now] the time the attack should start\n\t\t *  @param {number} [velocity=1] the velocity of the note (0-1)\n\t\t *  @returns {Tone.NoiseSynth} this\n\t\t *  @example\n\t\t * noiseSynth.triggerAttack();\n\t\t */\n\t    Tone.NoiseSynth.prototype.triggerAttack = function (time, velocity) {\n\t        //the envelopes\n\t        this.envelope.triggerAttack(time, velocity);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Start the release portion of the envelopes.\n\t\t *  @param {Time} [time=now] the time the release should start\n\t\t *  @returns {Tone.NoiseSynth} this\n\t\t */\n\t    Tone.NoiseSynth.prototype.triggerRelease = function (time) {\n\t        this.envelope.triggerRelease(time);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Trigger the attack and then the release. \n\t\t *  @param  {Time} duration the duration of the note\n\t\t *  @param  {Time} [time=now]     the time of the attack\n\t\t *  @param  {number} [velocity=1] the velocity\n\t\t *  @returns {Tone.NoiseSynth} this\n\t\t */\n\t    Tone.NoiseSynth.prototype.triggerAttackRelease = function (duration, time, velocity) {\n\t        time = this.toSeconds(time);\n\t        duration = this.toSeconds(duration);\n\t        this.triggerAttack(time, velocity);\n\t        this.triggerRelease(time + duration);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Clean up. \n\t\t *  @returns {Tone.NoiseSynth} this\n\t\t */\n\t    Tone.NoiseSynth.prototype.dispose = function () {\n\t        Tone.Instrument.prototype.dispose.call(this);\n\t        this._writable([\n\t            'noise',\n\t            'envelope'\n\t        ]);\n\t        this.noise.dispose();\n\t        this.noise = null;\n\t        this.envelope.dispose();\n\t        this.envelope = null;\n\t        return this;\n\t    };\n\t    return Tone.NoiseSynth;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Karplus-String string synthesis. Often out of tune. \n\t\t *         Will change when the AudioWorkerNode is available across\n\t\t *         browsers. \n\t\t *  \n\t\t *  @constructor\n\t\t *  @extends {Tone.Instrument}\n\t\t *  @param {Object} [options] see the defaults\n\t\t *  @example\n\t\t * var plucky = new Tone.PluckSynth().toMaster();\n\t\t * plucky.triggerAttack(\"C4\");\n\t\t */\n\t    Tone.PluckSynth = function (options) {\n\t        options = this.defaultArg(options, Tone.PluckSynth.defaults);\n\t        Tone.Instrument.call(this, options);\n\t        /**\n\t\t\t *  @type {Tone.Noise}\n\t\t\t *  @private\n\t\t\t */\n\t        this._noise = new Tone.Noise('pink');\n\t        /**\n\t\t\t *  The amount of noise at the attack. \n\t\t\t *  Nominal range of [0.1, 20]\n\t\t\t *  @type {number}\n\t\t\t */\n\t        this.attackNoise = options.attackNoise;\n\t        /**\n\t\t\t *  the LFCF\n\t\t\t *  @type {Tone.LowpassCombFilter}\n\t\t\t *  @private\n\t\t\t */\n\t        this._lfcf = new Tone.LowpassCombFilter({\n\t            'resonance': options.resonance,\n\t            'dampening': options.dampening\n\t        });\n\t        /**\n\t\t\t *  The resonance control. \n\t\t\t *  @type {NormalRange}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.resonance = this._lfcf.resonance;\n\t        /**\n\t\t\t *  The dampening control. i.e. the lowpass filter frequency of the comb filter\n\t\t\t *  @type {Frequency}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.dampening = this._lfcf.dampening;\n\t        //connections\n\t        this._noise.connect(this._lfcf);\n\t        this._lfcf.connect(this.output);\n\t        this._readOnly([\n\t            'resonance',\n\t            'dampening'\n\t        ]);\n\t    };\n\t    Tone.extend(Tone.PluckSynth, Tone.Instrument);\n\t    /**\n\t\t *  @static\n\t\t *  @const\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.PluckSynth.defaults = {\n\t        'attackNoise': 1,\n\t        'dampening': 4000,\n\t        'resonance': 0.9\n\t    };\n\t    /**\n\t\t *  Trigger the note. \n\t\t *  @param {Frequency} note The note to trigger.\n\t\t *  @param {Time} [time=now] When the note should be triggered.\n\t\t *  @returns {Tone.PluckSynth} this\n\t\t */\n\t    Tone.PluckSynth.prototype.triggerAttack = function (note, time) {\n\t        note = this.toFrequency(note);\n\t        time = this.toSeconds(time);\n\t        var delayAmount = 1 / note;\n\t        this._lfcf.delayTime.setValueAtTime(delayAmount, time);\n\t        this._noise.start(time);\n\t        this._noise.stop(time + delayAmount * this.attackNoise);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Clean up. \n\t\t *  @returns {Tone.PluckSynth} this\n\t\t */\n\t    Tone.PluckSynth.prototype.dispose = function () {\n\t        Tone.Instrument.prototype.dispose.call(this);\n\t        this._noise.dispose();\n\t        this._lfcf.dispose();\n\t        this._noise = null;\n\t        this._lfcf = null;\n\t        this._writable([\n\t            'resonance',\n\t            'dampening'\n\t        ]);\n\t        this.dampening = null;\n\t        this.resonance = null;\n\t        return this;\n\t    };\n\t    return Tone.PluckSynth;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  Tone.PolySynth handles voice creation and allocation for any\n\t\t *          instruments passed in as the second paramter. PolySynth is \n\t\t *          not a synthesizer by itself, it merely manages voices of \n\t\t *          one of the other types of synths, allowing any of the \n\t\t *          monophonic synthesizers to be polyphonic. \n\t\t *\n\t\t *  @constructor\n\t\t *  @extends {Tone.Instrument}\n\t\t *  @param {number|Object} [polyphony=4] The number of voices to create\n\t\t *  @param {function} [voice=Tone.Synth] The constructor of the voices\n\t\t *                                            uses Tone.Synth by default. \n\t\t *  @example\n\t\t * //a polysynth composed of 6 Voices of Synth\n\t\t * var synth = new Tone.PolySynth(6, Tone.Synth).toMaster();\n\t\t * //set the attributes using the set interface\n\t\t * synth.set(\"detune\", -1200);\n\t\t * //play a chord\n\t\t * synth.triggerAttackRelease([\"C4\", \"E4\", \"A4\"], \"4n\");\n\t\t */\n\t    Tone.PolySynth = function () {\n\t        Tone.Instrument.call(this);\n\t        var options = this.optionsObject(arguments, [\n\t            'polyphony',\n\t            'voice'\n\t        ], Tone.PolySynth.defaults);\n\t        options = this.defaultArg(options, Tone.Instrument.defaults);\n\t        //max polyphony\n\t        options.polyphony = Math.min(Tone.PolySynth.MAX_POLYPHONY, options.polyphony);\n\t        /**\n\t\t\t *  the array of voices\n\t\t\t *  @type {Array}\n\t\t\t */\n\t        this.voices = new Array(options.polyphony);\n\t        /**\n\t\t\t *  The queue of voices with data about last trigger\n\t\t\t *  and the triggered note\n\t\t\t *  @private\n\t\t\t *  @type {Array}\n\t\t\t */\n\t        this._triggers = new Array(options.polyphony);\n\t        /**\n\t\t\t *  The detune in cents\n\t\t\t *  @type {Cents}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.detune = new Tone.Signal(options.detune, Tone.Type.Cents);\n\t        this._readOnly('detune');\n\t        //create the voices\n\t        for (var i = 0; i < options.polyphony; i++) {\n\t            var v = new options.voice(arguments[2], arguments[3]);\n\t            this.voices[i] = v;\n\t            v.connect(this.output);\n\t            if (v.hasOwnProperty('detune')) {\n\t                this.detune.connect(v.detune);\n\t            }\n\t            this._triggers[i] = {\n\t                release: -1,\n\t                note: null,\n\t                voice: v\n\t            };\n\t        }\n\t        //set the volume initially\n\t        this.volume.value = options.volume;\n\t    };\n\t    Tone.extend(Tone.PolySynth, Tone.Instrument);\n\t    /**\n\t\t *  the defaults\n\t\t *  @const\n\t\t *  @static\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.PolySynth.defaults = {\n\t        'polyphony': 4,\n\t        'volume': 0,\n\t        'detune': 0,\n\t        'voice': Tone.Synth\n\t    };\n\t    /**\n\t\t *  Trigger the attack portion of the note\n\t\t *  @param  {Frequency|Array} notes The notes to play. Accepts a single\n\t\t *                                  Frequency or an array of frequencies.\n\t\t *  @param  {Time} [time=now]  The start time of the note.\n\t\t *  @param {number} [velocity=1] The velocity of the note.\n\t\t *  @returns {Tone.PolySynth} this\n\t\t *  @example\n\t\t * //trigger a chord immediately with a velocity of 0.2\n\t\t * poly.triggerAttack([\"Ab3\", \"C4\", \"F5\"], undefined, 0.2);\n\t\t */\n\t    Tone.PolySynth.prototype.triggerAttack = function (notes, time, velocity) {\n\t        if (!Array.isArray(notes)) {\n\t            notes = [notes];\n\t        }\n\t        time = this.toSeconds(time);\n\t        for (var i = 0; i < notes.length; i++) {\n\t            var val = notes[i];\n\t            //trigger the oldest voice\n\t            var oldest = this._triggers[0];\n\t            var oldestIndex = 0;\n\t            for (var j = 1; j < this._triggers.length; j++) {\n\t                if (this._triggers[j].release < oldest.release) {\n\t                    oldest = this._triggers[j];\n\t                    oldestIndex = j;\n\t                }\n\t            }\n\t            oldest.release = Infinity;\n\t            oldest.note = JSON.stringify(val);\n\t            oldest.voice.triggerAttack(val, time, velocity);\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Trigger the attack and release after the specified duration\n\t\t *  \n\t\t *  @param  {Frequency|Array} notes The notes to play. Accepts a single\n\t\t *                                  Frequency or an array of frequencies.\n\t\t *  @param  {Time} duration the duration of the note\n\t\t *  @param  {Time} [time=now]     if no time is given, defaults to now\n\t\t *  @param  {number} [velocity=1] the velocity of the attack (0-1)\n\t\t *  @returns {Tone.PolySynth} this\n\t\t *  @example\n\t\t * //trigger a chord for a duration of a half note \n\t\t * poly.triggerAttackRelease([\"Eb3\", \"G4\", \"C5\"], \"2n\");\n\t\t *  @example\n\t\t * //can pass in an array of durations as well\n\t\t * poly.triggerAttackRelease([\"Eb3\", \"G4\", \"C5\"], [\"2n\", \"4n\", \"4n\"]);\n\t\t */\n\t    Tone.PolySynth.prototype.triggerAttackRelease = function (notes, duration, time, velocity) {\n\t        time = this.toSeconds(time);\n\t        this.triggerAttack(notes, time, velocity);\n\t        if (this.isArray(duration) && this.isArray(notes)) {\n\t            for (var i = 0; i < notes.length; i++) {\n\t                var d = duration[Math.min(i, duration.length - 1)];\n\t                this.triggerRelease(notes[i], time + this.toSeconds(d));\n\t            }\n\t        } else {\n\t            this.triggerRelease(notes, time + this.toSeconds(duration));\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Trigger the release of the note. Unlike monophonic instruments, \n\t\t *  a note (or array of notes) needs to be passed in as the first argument.\n\t\t *  @param  {Frequency|Array} notes The notes to play. Accepts a single\n\t\t *                                  Frequency or an array of frequencies.\n\t\t *  @param  {Time} [time=now]  When the release will be triggered. \n\t\t *  @returns {Tone.PolySynth} this\n\t\t *  @example\n\t\t * poly.triggerRelease([\"Ab3\", \"C4\", \"F5\"], \"+2n\");\n\t\t */\n\t    Tone.PolySynth.prototype.triggerRelease = function (notes, time) {\n\t        if (!Array.isArray(notes)) {\n\t            notes = [notes];\n\t        }\n\t        time = this.toSeconds(time);\n\t        for (var i = 0; i < notes.length; i++) {\n\t            //get the voice\n\t            var stringified = JSON.stringify(notes[i]);\n\t            for (var v = 0; v < this._triggers.length; v++) {\n\t                var desc = this._triggers[v];\n\t                if (desc.note === stringified && desc.release > time) {\n\t                    desc.voice.triggerRelease(time);\n\t                    desc.release = time;\n\t                }\n\t            }\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Set a member/attribute of the voices. \n\t\t *  @param {Object|string} params\n\t\t *  @param {number=} value\n\t\t *  @param {Time=} rampTime\n\t\t *  @returns {Tone.PolySynth} this\n\t\t *  @example\n\t\t * poly.set({\n\t\t * \t\"filter\" : {\n\t\t * \t\t\"type\" : \"highpass\"\n\t\t * \t},\n\t\t * \t\"envelope\" : {\n\t\t * \t\t\"attack\" : 0.25\n\t\t * \t}\n\t\t * });\n\t\t */\n\t    Tone.PolySynth.prototype.set = function (params, value, rampTime) {\n\t        for (var i = 0; i < this.voices.length; i++) {\n\t            this.voices[i].set(params, value, rampTime);\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Get the synth's attributes. Given no arguments get\n\t\t *  will return all available object properties and their corresponding\n\t\t *  values. Pass in a single attribute to retrieve or an array\n\t\t *  of attributes. The attribute strings can also include a \".\"\n\t\t *  to access deeper properties.\n\t\t *  @param {Array=} params the parameters to get, otherwise will return \n\t\t *  \t\t\t\t\t   all available.\n\t\t */\n\t    Tone.PolySynth.prototype.get = function (params) {\n\t        return this.voices[0].get(params);\n\t    };\n\t    /**\n\t\t *  Trigger the release portion of all the currently active voices.\n\t\t *  @param {Time} [time=now] When the notes should be released.\n\t\t *  @return {Tone.PolySynth} this\n\t\t */\n\t    Tone.PolySynth.prototype.releaseAll = function (time) {\n\t        time = this.toSeconds(time);\n\t        for (var i = 0; i < this._triggers.length; i++) {\n\t            var desc = this._triggers[i];\n\t            if (desc.release > time) {\n\t                desc.release = time;\n\t                desc.voice.triggerRelease(time);\n\t            }\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Clean up.\n\t\t *  @returns {Tone.PolySynth} this\n\t\t */\n\t    Tone.PolySynth.prototype.dispose = function () {\n\t        Tone.Instrument.prototype.dispose.call(this);\n\t        for (var i = 0; i < this.voices.length; i++) {\n\t            this.voices[i].dispose();\n\t            this.voices[i] = null;\n\t        }\n\t        this._writable('detune');\n\t        this.detune.dispose();\n\t        this.detune = null;\n\t        this.voices = null;\n\t        this._triggers = null;\n\t        return this;\n\t    };\n\t    /**\n\t\t *  The maximum number of notes that can be allocated \n\t\t *  to a polysynth. \n\t\t *  @type  {Number}\n\t\t *  @static\n\t\t */\n\t    Tone.PolySynth.MAX_POLYPHONY = 20;\n\t    return Tone.PolySynth;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  Tone.Player is an audio file player with start, loop, and stop functions.\n\t\t *  \n\t\t *  @constructor\n\t\t *  @extends {Tone.Source} \n\t\t *  @param {string|AudioBuffer} url Either the AudioBuffer or the url from\n\t\t *                                  which to load the AudioBuffer\n\t\t *  @param {function=} onload The function to invoke when the buffer is loaded. \n\t\t *                            Recommended to use Tone.Buffer.on('load') instead.\n\t\t *  @example\n\t\t * var player = new Tone.Player(\"./path/to/sample.mp3\").toMaster();\n\t\t * //play as soon as the buffer is loaded\n\t\t * player.autostart = true;\n\t\t */\n\t    Tone.Player = function (url) {\n\t        var options;\n\t        if (url instanceof Tone.Buffer) {\n\t            url = url.get();\n\t            options = Tone.Player.defaults;\n\t        } else {\n\t            options = this.optionsObject(arguments, [\n\t                'url',\n\t                'onload'\n\t            ], Tone.Player.defaults);\n\t        }\n\t        Tone.Source.call(this, options);\n\t        /**\n\t\t\t *  @private\n\t\t\t *  @type {AudioBufferSourceNode}\n\t\t\t */\n\t        this._source = null;\n\t        /**\n\t\t\t *  If the file should play as soon\n\t\t\t *  as the buffer is loaded. \n\t\t\t *  @type {boolean}\n\t\t\t *  @example\n\t\t\t * //will play as soon as it's loaded\n\t\t\t * var player = new Tone.Player({\n\t\t\t * \t\"url\" : \"./path/to/sample.mp3\",\n\t\t\t * \t\"autostart\" : true,\n\t\t\t * }).toMaster();\n\t\t\t */\n\t        this.autostart = options.autostart;\n\t        /**\n\t\t\t *  the buffer\n\t\t\t *  @private\n\t\t\t *  @type {Tone.Buffer}\n\t\t\t */\n\t        this._buffer = new Tone.Buffer({\n\t            'url': options.url,\n\t            'onload': this._onload.bind(this, options.onload),\n\t            'reverse': options.reverse\n\t        });\n\t        if (url instanceof AudioBuffer) {\n\t            this._buffer.set(url);\n\t        }\n\t        /**\n\t\t\t *  if the buffer should loop once it's over\n\t\t\t *  @type {boolean}\n\t\t\t *  @private\n\t\t\t */\n\t        this._loop = options.loop;\n\t        /**\n\t\t\t *  if 'loop' is true, the loop will start at this position\n\t\t\t *  @type {Time}\n\t\t\t *  @private\n\t\t\t */\n\t        this._loopStart = options.loopStart;\n\t        /**\n\t\t\t *  if 'loop' is true, the loop will end at this position\n\t\t\t *  @type {Time}\n\t\t\t *  @private\n\t\t\t */\n\t        this._loopEnd = options.loopEnd;\n\t        /**\n\t\t\t *  the playback rate\n\t\t\t *  @private\n\t\t\t *  @type {number}\n\t\t\t */\n\t        this._playbackRate = options.playbackRate;\n\t        /**\n\t\t\t *  Enabling retrigger will allow a player to be restarted\n\t\t\t *  before the the previous 'start' is done playing. Otherwise, \n\t\t\t *  successive calls to Tone.Player.start will only start\n\t\t\t *  the sample if it had played all the way through. \n\t\t\t *  @type {boolean}\n\t\t\t */\n\t        this.retrigger = options.retrigger;\n\t    };\n\t    Tone.extend(Tone.Player, Tone.Source);\n\t    /**\n\t\t *  the default parameters\n\t\t *  @static\n\t\t *  @const\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.Player.defaults = {\n\t        'onload': Tone.noOp,\n\t        'playbackRate': 1,\n\t        'loop': false,\n\t        'autostart': false,\n\t        'loopStart': 0,\n\t        'loopEnd': 0,\n\t        'retrigger': false,\n\t        'reverse': false\n\t    };\n\t    /**\n\t\t *  Load the audio file as an audio buffer.\n\t\t *  Decodes the audio asynchronously and invokes\n\t\t *  the callback once the audio buffer loads. \n\t\t *  Note: this does not need to be called if a url\n\t\t *  was passed in to the constructor. Only use this\n\t\t *  if you want to manually load a new url. \n\t\t * @param {string} url The url of the buffer to load.\n\t\t *                     Filetype support depends on the\n\t\t *                     browser.\n\t\t *  @param  {function=} callback The function to invoke once\n\t\t *                               the sample is loaded.\n\t\t *  @returns {Promise}\n\t\t */\n\t    Tone.Player.prototype.load = function (url, callback) {\n\t        return this._buffer.load(url, this._onload.bind(this, callback));\n\t    };\n\t    /**\n\t\t * Internal callback when the buffer is loaded.\n\t\t * @private\n\t\t */\n\t    Tone.Player.prototype._onload = function (callback) {\n\t        callback = this.defaultArg(callback, Tone.noOp);\n\t        callback(this);\n\t        if (this.autostart) {\n\t            this.start();\n\t        }\n\t    };\n\t    /**\n\t\t *  Play the buffer at the given startTime. Optionally add an offset\n\t\t *  and/or duration which will play the buffer from a position\n\t\t *  within the buffer for the given duration. \n\t\t *  \n\t\t *  @param  {Time} [startTime=now] When the player should start.\n\t\t *  @param  {Time} [offset=0] The offset from the beginning of the sample\n\t\t *                                 to start at. \n\t\t *  @param  {Time=} duration How long the sample should play. If no duration\n\t\t *                                is given, it will default to the full length \n\t\t *                                of the sample (minus any offset)\n\t\t *  @returns {Tone.Player} this\n\t\t *  @memberOf Tone.Player#\n\t\t *  @method start\n\t\t *  @name start\n\t\t */\n\t    /**\n\t\t *  Internal start method\n\t\t *  @private\n\t\t */\n\t    Tone.Player.prototype._start = function (startTime, offset, duration) {\n\t        if (this._buffer.loaded) {\n\t            //if it's a loop the default offset is the loopstart point\n\t            if (this._loop) {\n\t                offset = this.defaultArg(offset, this._loopStart);\n\t            } else {\n\t                //otherwise the default offset is 0\n\t                offset = this.defaultArg(offset, 0);\n\t            }\n\t            offset = this.toSeconds(offset);\n\t            //make sure it has a positive duration\n\t            duration = this.defaultArg(duration, Math.max(this._buffer.duration - offset, 0));\n\t            duration = this.toSeconds(duration);\n\t            //the values in seconds\n\t            startTime = this.toSeconds(startTime);\n\t            //make the source\n\t            this._source = this.context.createBufferSource();\n\t            this._source.buffer = this._buffer.get();\n\t            //set the looping properties\n\t            if (this._loop) {\n\t                this._source.loop = this._loop;\n\t                this._source.loopStart = this.toSeconds(this._loopStart);\n\t                this._source.loopEnd = this.toSeconds(this._loopEnd);\n\t            } else if (!this._synced) {\n\t                //if it's not looping, set the state change at the end of the sample\n\t                this._state.setStateAtTime(Tone.State.Stopped, startTime + duration);\n\t            }\n\t            //and other properties\n\t            this._source.playbackRate.value = this._playbackRate;\n\t            this._source.connect(this.output);\n\t            //start it\n\t            if (this._loop) {\n\t                //modify the offset if it's greater than the loop time\n\t                var loopEnd = this._source.loopEnd || this._buffer.duration;\n\t                var loopStart = this._source.loopStart;\n\t                var loopDuration = loopEnd - loopStart;\n\t                if (offset > loopEnd) {\n\t                    //move the offset back\n\t                    while (offset > loopEnd) {\n\t                        offset -= loopDuration;\n\t                    }\n\t                }\n\t                this._source.start(startTime, offset);\n\t            } else {\n\t                this._source.start(startTime, offset, duration);\n\t            }\n\t        } else {\n\t            throw Error('Tone.Player: tried to start Player before the buffer was loaded');\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Stop playback.\n\t\t *  @private\n\t\t *  @param  {Time} [time=now]\n\t\t *  @returns {Tone.Player} this\n\t\t */\n\t    Tone.Player.prototype._stop = function (time) {\n\t        if (this._source) {\n\t            this._source.stop(this.toSeconds(time));\n\t            this._source = null;\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Seek to a specific time in the player's buffer. If the \n\t\t *  source is no longer playing at that time, it will stop.\n\t\t *  If you seek to a time that \n\t\t *  @param {Time} offset The time to seek to.\n\t\t *  @param {Time=} time The time for the seek event to occur.\n\t\t *  @return {Tone.Player} this\n\t\t *  @example\n\t\t * source.start(0.2);\n\t\t * source.stop(0.4);\n\t\t */\n\t    Tone.Player.prototype.seek = function (offset, time) {\n\t        time = this.toSeconds(time);\n\t        if (this._state.getValueAtTime(time) === Tone.State.Started) {\n\t            offset = this.toSeconds(offset);\n\t            // if it's currently playing, stop it\n\t            this._stop(time);\n\t            //restart it at the given time\n\t            this._start(time, offset);\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Set the loop start and end. Will only loop if loop is \n\t\t *  set to true. \n\t\t *  @param {Time} loopStart The loop end time\n\t\t *  @param {Time} loopEnd The loop end time\n\t\t *  @returns {Tone.Player} this\n\t\t *  @example\n\t\t * //loop 0.1 seconds of the file. \n\t\t * player.setLoopPoints(0.2, 0.3);\n\t\t * player.loop = true;\n\t\t */\n\t    Tone.Player.prototype.setLoopPoints = function (loopStart, loopEnd) {\n\t        this.loopStart = loopStart;\n\t        this.loopEnd = loopEnd;\n\t        return this;\n\t    };\n\t    /**\n\t\t * If loop is true, the loop will start at this position. \n\t\t * @memberOf Tone.Player#\n\t\t * @type {Time}\n\t\t * @name loopStart\n\t\t */\n\t    Object.defineProperty(Tone.Player.prototype, 'loopStart', {\n\t        get: function () {\n\t            return this._loopStart;\n\t        },\n\t        set: function (loopStart) {\n\t            this._loopStart = loopStart;\n\t            if (this._source) {\n\t                this._source.loopStart = this.toSeconds(loopStart);\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t * If loop is true, the loop will end at this position.\n\t\t * @memberOf Tone.Player#\n\t\t * @type {Time}\n\t\t * @name loopEnd\n\t\t */\n\t    Object.defineProperty(Tone.Player.prototype, 'loopEnd', {\n\t        get: function () {\n\t            return this._loopEnd;\n\t        },\n\t        set: function (loopEnd) {\n\t            this._loopEnd = loopEnd;\n\t            if (this._source) {\n\t                this._source.loopEnd = this.toSeconds(loopEnd);\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t * The audio buffer belonging to the player. \n\t\t * @memberOf Tone.Player#\n\t\t * @type {Tone.Buffer}\n\t\t * @name buffer\n\t\t */\n\t    Object.defineProperty(Tone.Player.prototype, 'buffer', {\n\t        get: function () {\n\t            return this._buffer;\n\t        },\n\t        set: function (buffer) {\n\t            this._buffer.set(buffer);\n\t        }\n\t    });\n\t    /**\n\t\t * If the buffer should loop once it's over. \n\t\t * @memberOf Tone.Player#\n\t\t * @type {boolean}\n\t\t * @name loop\n\t\t */\n\t    Object.defineProperty(Tone.Player.prototype, 'loop', {\n\t        get: function () {\n\t            return this._loop;\n\t        },\n\t        set: function (loop) {\n\t            this._loop = loop;\n\t            if (this._source) {\n\t                this._source.loop = loop;\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t * The playback speed. 1 is normal speed. This is not a signal because\n\t\t * Safari and iOS currently don't support playbackRate as a signal.\n\t\t * @memberOf Tone.Player#\n\t\t * @type {number}\n\t\t * @name playbackRate\n\t\t */\n\t    Object.defineProperty(Tone.Player.prototype, 'playbackRate', {\n\t        get: function () {\n\t            return this._playbackRate;\n\t        },\n\t        set: function (rate) {\n\t            this._playbackRate = rate;\n\t            if (this._source) {\n\t                this._source.playbackRate.value = rate;\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t * The direction the buffer should play in\n\t\t * @memberOf Tone.Player#\n\t\t * @type {boolean}\n\t\t * @name reverse\n\t\t */\n\t    Object.defineProperty(Tone.Player.prototype, 'reverse', {\n\t        get: function () {\n\t            return this._buffer.reverse;\n\t        },\n\t        set: function (rev) {\n\t            this._buffer.reverse = rev;\n\t        }\n\t    });\n\t    /**\n\t\t *  Dispose and disconnect.\n\t\t *  @return {Tone.Player} this\n\t\t */\n\t    Tone.Player.prototype.dispose = function () {\n\t        Tone.Source.prototype.dispose.call(this);\n\t        if (this._source !== null) {\n\t            this._source.disconnect();\n\t            this._source = null;\n\t        }\n\t        this._buffer.dispose();\n\t        this._buffer = null;\n\t        return this;\n\t    };\n\t    return Tone.Player;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Sampler wraps Tone.Player in an AmplitudeEnvelope.\n\t\t *\n\t\t *  @constructor\n\t\t *  @extends {Tone.Instrument}\n\t\t *  @param {String} url the url of the audio file\n\t\t *  @param {Function=} onload The callback to invoke when the sample is loaded.\n\t\t *  @example\n\t\t * var sampler = new Sampler(\"./audio/casio/A1.mp3\", function(){\n\t\t * \t//repitch the sample down a half step\n\t\t * \tsampler.triggerAttack(-1);\n\t\t * }).toMaster();\n\t\t */\n\t    Tone.Sampler = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'url',\n\t            'onload'\n\t        ], Tone.Sampler.defaults);\n\t        Tone.Instrument.call(this, options);\n\t        /**\n\t\t\t *  The sample player.\n\t\t\t *  @type {Tone.Player}\n\t\t\t */\n\t        this.player = new Tone.Player(options.url, options.onload);\n\t        this.player.retrigger = true;\n\t        /**\n\t\t\t *  The amplitude envelope. \n\t\t\t *  @type {Tone.AmplitudeEnvelope}\n\t\t\t */\n\t        this.envelope = new Tone.AmplitudeEnvelope(options.envelope);\n\t        this.player.chain(this.envelope, this.output);\n\t        this._readOnly([\n\t            'player',\n\t            'envelope'\n\t        ]);\n\t        this.loop = options.loop;\n\t        this.reverse = options.reverse;\n\t    };\n\t    Tone.extend(Tone.Sampler, Tone.Instrument);\n\t    /**\n\t\t *  the default parameters\n\t\t *  @static\n\t\t */\n\t    Tone.Sampler.defaults = {\n\t        'onload': Tone.noOp,\n\t        'loop': false,\n\t        'reverse': false,\n\t        'envelope': {\n\t            'attack': 0.001,\n\t            'decay': 0,\n\t            'sustain': 1,\n\t            'release': 0.1\n\t        }\n\t    };\n\t    /**\n\t\t *  Trigger the start of the sample. \n\t\t *  @param {Interval} [pitch=0] The amount the sample should\n\t\t *                              be repitched. \n\t\t *  @param {Time} [time=now] The time when the sample should start\n\t\t *  @param {NormalRange} [velocity=1] The velocity of the note\n\t\t *  @returns {Tone.Sampler} this\n\t\t *  @example\n\t\t * sampler.triggerAttack(0, \"+0.1\", 0.5);\n\t\t */\n\t    Tone.Sampler.prototype.triggerAttack = function (pitch, time, velocity) {\n\t        time = this.toSeconds(time);\n\t        pitch = this.defaultArg(pitch, 0);\n\t        this.player.playbackRate = this.intervalToFrequencyRatio(pitch);\n\t        this.player.start(time);\n\t        this.envelope.triggerAttack(time, velocity);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Start the release portion of the sample. Will stop the sample once the \n\t\t *  envelope has fully released. \n\t\t *  \n\t\t *  @param {Time} [time=now] The time when the note should release\n\t\t *  @returns {Tone.Sampler} this\n\t\t *  @example\n\t\t * sampler.triggerRelease();\n\t\t */\n\t    Tone.Sampler.prototype.triggerRelease = function (time) {\n\t        time = this.toSeconds(time);\n\t        this.envelope.triggerRelease(time);\n\t        this.player.stop(this.toSeconds(this.envelope.release) + time);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Trigger the attack and then the release after the duration. \n\t\t *  @param  {Interval} interval     The interval in half-steps that the\n\t\t *                                  sample should be pitch shifted.\n\t\t *  @param  {Time} duration How long the note should be held for before\n\t\t *                          triggering the release.\n\t\t *  @param {Time} [time=now]  When the note should be triggered.\n\t\t *  @param  {NormalRange} [velocity=1] The velocity the note should be triggered at.\n\t\t *  @returns {Tone.Sampler} this\n\t\t *  @example\n\t\t * //trigger the unpitched note for the duration of an 8th note\n\t\t * synth.triggerAttackRelease(0, \"8n\");\n\t\t *  @memberOf Tone.Sampler#\n\t\t *  @name triggerAttackRelease\n\t\t *  @method triggerAttackRelease\n\t\t */\n\t    /**\n\t\t * If the output sample should loop or not.\n\t\t * @memberOf Tone.Sampler#\n\t\t * @type {number|string}\n\t\t * @name loop\n\t\t */\n\t    Object.defineProperty(Tone.Sampler.prototype, 'loop', {\n\t        get: function () {\n\t            return this.player.loop;\n\t        },\n\t        set: function (loop) {\n\t            this.player.loop = loop;\n\t        }\n\t    });\n\t    /**\n\t\t * The direction the buffer should play in\n\t\t * @memberOf Tone.Sampler#\n\t\t * @type {boolean}\n\t\t * @name reverse\n\t\t */\n\t    Object.defineProperty(Tone.Sampler.prototype, 'reverse', {\n\t        get: function () {\n\t            return this.player.reverse;\n\t        },\n\t        set: function (rev) {\n\t            this.player.reverse = rev;\n\t        }\n\t    });\n\t    /**\n\t\t * The buffer to play.\n\t\t * @memberOf Tone.Sampler#\n\t\t * @type {Tone.Buffer}\n\t\t * @name buffer\n\t\t */\n\t    Object.defineProperty(Tone.Sampler.prototype, 'buffer', {\n\t        get: function () {\n\t            return this.player.buffer;\n\t        },\n\t        set: function (buff) {\n\t            this.player.buffer = buff;\n\t        }\n\t    });\n\t    /**\n\t\t *  Clean up.\n\t\t *  @returns {Tone.Sampler} this\n\t\t */\n\t    Tone.Sampler.prototype.dispose = function () {\n\t        Tone.Instrument.prototype.dispose.call(this);\n\t        this._writable([\n\t            'player',\n\t            'envelope'\n\t        ]);\n\t        this.player.dispose();\n\t        this.player = null;\n\t        this.envelope.dispose();\n\t        this.envelope = null;\n\t        return this;\n\t    };\n\t    return Tone.Sampler;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Maps a NormalRange [0, 1] to an AudioRange [-1, 1]. \n\t\t *         See also Tone.AudioToGain. \n\t\t *\n\t\t *  @extends {Tone.SignalBase}\n\t\t *  @constructor\n\t\t *  @example\n\t\t * var g2a = new Tone.GainToAudio();\n\t\t */\n\t    Tone.GainToAudio = function () {\n\t        /**\n\t\t\t *  @type {WaveShaperNode}\n\t\t\t *  @private\n\t\t\t */\n\t        this._norm = this.input = this.output = new Tone.WaveShaper(function (x) {\n\t            return Math.abs(x) * 2 - 1;\n\t        });\n\t    };\n\t    Tone.extend(Tone.GainToAudio, Tone.SignalBase);\n\t    /**\n\t\t *  clean up\n\t\t *  @returns {Tone.GainToAudio} this\n\t\t */\n\t    Tone.GainToAudio.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._norm.dispose();\n\t        this._norm = null;\n\t        return this;\n\t    };\n\t    return Tone.GainToAudio;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Normalize takes an input min and max and maps it linearly to NormalRange [0,1]\n\t\t *\n\t\t *  @extends {Tone.SignalBase}\n\t\t *  @constructor\n\t\t *  @param {number} inputMin the min input value\n\t\t *  @param {number} inputMax the max input value\n\t\t *  @example\n\t\t * var norm = new Tone.Normalize(2, 4);\n\t\t * var sig = new Tone.Signal(3).connect(norm);\n\t\t * //output of norm is 0.5. \n\t\t */\n\t    Tone.Normalize = function (inputMin, inputMax) {\n\t        /**\n\t\t\t *  the min input value\n\t\t\t *  @type {number}\n\t\t\t *  @private\n\t\t\t */\n\t        this._inputMin = this.defaultArg(inputMin, 0);\n\t        /**\n\t\t\t *  the max input value\n\t\t\t *  @type {number}\n\t\t\t *  @private\n\t\t\t */\n\t        this._inputMax = this.defaultArg(inputMax, 1);\n\t        /**\n\t\t\t *  subtract the min from the input\n\t\t\t *  @type {Tone.Add}\n\t\t\t *  @private\n\t\t\t */\n\t        this._sub = this.input = new Tone.Add(0);\n\t        /**\n\t\t\t *  divide by the difference between the input and output\n\t\t\t *  @type {Tone.Multiply}\n\t\t\t *  @private\n\t\t\t */\n\t        this._div = this.output = new Tone.Multiply(1);\n\t        this._sub.connect(this._div);\n\t        this._setRange();\n\t    };\n\t    Tone.extend(Tone.Normalize, Tone.SignalBase);\n\t    /**\n\t\t * The minimum value the input signal will reach.\n\t\t * @memberOf Tone.Normalize#\n\t\t * @type {number}\n\t\t * @name min\n\t\t */\n\t    Object.defineProperty(Tone.Normalize.prototype, 'min', {\n\t        get: function () {\n\t            return this._inputMin;\n\t        },\n\t        set: function (min) {\n\t            this._inputMin = min;\n\t            this._setRange();\n\t        }\n\t    });\n\t    /**\n\t\t * The maximum value the input signal will reach.\n\t\t * @memberOf Tone.Normalize#\n\t\t * @type {number}\n\t\t * @name max\n\t\t */\n\t    Object.defineProperty(Tone.Normalize.prototype, 'max', {\n\t        get: function () {\n\t            return this._inputMax;\n\t        },\n\t        set: function (max) {\n\t            this._inputMax = max;\n\t            this._setRange();\n\t        }\n\t    });\n\t    /**\n\t\t *  set the values\n\t\t *  @private\n\t\t */\n\t    Tone.Normalize.prototype._setRange = function () {\n\t        this._sub.value = -this._inputMin;\n\t        this._div.value = 1 / (this._inputMax - this._inputMin);\n\t    };\n\t    /**\n\t\t *  clean up\n\t\t *  @returns {Tone.Normalize} this\n\t\t */\n\t    Tone.Normalize.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._sub.dispose();\n\t        this._sub = null;\n\t        this._div.dispose();\n\t        this._div = null;\n\t        return this;\n\t    };\n\t    return Tone.Normalize;\n\t});\n\tModule(function (Tone) {\n\t    /**\n\t\t *  @class Tone.MultiPlayer is well suited for one-shots, multi-sampled instruments\n\t\t *         or any time you need to play a bunch of audio buffers. \n\t\t *  @param  {Object|Array|Tone.Buffers}  buffers  The buffers which are available\n\t\t *                                                to the MultiPlayer\n\t\t *  @param {Function} onload The callback to invoke when all of the buffers are loaded.\n\t\t *  @extends {Tone}\n\t\t *  @example\n\t\t * var multiPlayer = new MultiPlayer({\n\t\t * \t\"kick\" : \"path/to/kick.mp3\",\n\t\t * \t\"snare\" : \"path/to/snare.mp3\",\n\t\t * }, function(){\n\t\t * \tmultiPlayer.start(\"kick\");\n\t\t * });\n\t\t *  @example\n\t\t * //can also store the values in an array\n\t\t * var multiPlayer = new MultiPlayer([\"path/to/kick.mp3\", \"path/to/snare.mp3\"], \n\t\t * function(){\n\t\t * \t//if an array is passed in, the samples are referenced to by index\n\t\t * \tmultiPlayer.start(1);\n\t\t * });\n\t\t */\n\t    Tone.MultiPlayer = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'urls',\n\t            'onload'\n\t        ], Tone.MultiPlayer.defaults);\n\t        if (options.urls instanceof Tone.Buffers) {\n\t            /**\n\t\t\t\t *  All the buffers belonging to the player.\n\t\t\t\t *  @type  {Tone.Buffers}\n\t\t\t\t */\n\t            this.buffers = options.urls;\n\t        } else {\n\t            this.buffers = new Tone.Buffers(options.urls, options.onload);\n\t        }\n\t        /**\n\t\t\t *  Keeps track of the currently playing sources.\n\t\t\t *  @type  {Object}\n\t\t\t *  @private\n\t\t\t */\n\t        this._activeSources = {};\n\t        /**\n\t\t\t *  The fade in envelope which is applied\n\t\t\t *  to the beginning of the BufferSource\n\t\t\t *  @type  {Time}\n\t\t\t */\n\t        this.fadeIn = options.fadeIn;\n\t        /**\n\t\t\t *  The fade out envelope which is applied\n\t\t\t *  to the end of the BufferSource\n\t\t\t *  @type  {Time}\n\t\t\t */\n\t        this.fadeOut = options.fadeOut;\n\t        /**\n\t\t\t *  The output volume node\n\t\t\t *  @type  {Tone.Volume}\n\t\t\t *  @private\n\t\t\t */\n\t        this._volume = this.output = new Tone.Volume(options.volume);\n\t        /**\n\t\t\t * The volume of the output in decibels.\n\t\t\t * @type {Decibels}\n\t\t\t * @signal\n\t\t\t * @example\n\t\t\t * source.volume.value = -6;\n\t\t\t */\n\t        this.volume = this._volume.volume;\n\t        this._readOnly('volume');\n\t        //make the output explicitly stereo\n\t        this._volume.output.output.channelCount = 2;\n\t        this._volume.output.output.channelCountMode = 'explicit';\n\t        //mute initially\n\t        this.mute = options.mute;\n\t    };\n\t    Tone.extend(Tone.MultiPlayer, Tone.Source);\n\t    /**\n\t\t *  The defaults\n\t\t *  @type  {Object}\n\t\t */\n\t    Tone.MultiPlayer.defaults = {\n\t        'onload': Tone.noOp,\n\t        'fadeIn': 0,\n\t        'fadeOut': 0\n\t    };\n\t    /**\n\t\t * Make the source from the buffername\n\t\t * @param  {String} bufferName\n\t\t * @return {Tone.BufferSource}\n\t\t * @private\n\t\t */\n\t    Tone.MultiPlayer.prototype._makeSource = function (bufferName) {\n\t        var buffer;\n\t        if (this.isString(bufferName) || this.isNumber(bufferName)) {\n\t            buffer = this.buffers.get(bufferName).get();\n\t        } else if (bufferName instanceof Tone.Buffer) {\n\t            buffer = bufferName.get();\n\t        } else if (bufferName instanceof AudioBuffer) {\n\t            buffer = bufferName;\n\t        }\n\t        var source = new Tone.BufferSource(buffer).connect(this.output);\n\t        if (!this._activeSources.hasOwnProperty(bufferName)) {\n\t            this._activeSources[bufferName] = [];\n\t        }\n\t        this._activeSources[bufferName].push(source);\n\t        return source;\n\t    };\n\t    /**\n\t\t *  Start a buffer by name. The `start` method allows a number of options\n\t\t *  to be passed in such as offset, interval, and gain. This is good for multi-sampled \n\t\t *  instruments and sound sprites where samples are repitched played back at different velocities.\n\t\t *  @param  {String}  bufferName    The name of the buffer to start.\n\t\t *  @param  {Time}  time      When to start the buffer.\n\t\t *  @param  {Time}  [offset=0]    The offset into the buffer to play from.\n\t\t *  @param  {Time=}  duration   How long to play the buffer for.\n\t\t *  @param  {Interval}  [pitch=0]  The interval to repitch the buffer.\n\t\t *  @param  {Gain}  [gain=1]      The gain to play the sample at.\n\t\t *  @return  {Tone.MultiPlayer}  this\n\t\t */\n\t    Tone.MultiPlayer.prototype.start = function (bufferName, time, offset, duration, pitch, gain) {\n\t        time = this.toSeconds(time);\n\t        var source = this._makeSource(bufferName);\n\t        source.start(time, offset, duration, this.defaultArg(gain, 1), this.fadeIn);\n\t        if (duration) {\n\t            source.stop(time + this.toSeconds(duration), this.fadeOut);\n\t        }\n\t        pitch = this.defaultArg(pitch, 0);\n\t        source.playbackRate.value = this.intervalToFrequencyRatio(pitch);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Start a looping buffer by name. Similar to `start`, but the buffer\n\t\t *  is looped instead of played straight through. Can still be stopped with `stop`. \n\t\t *  @param  {String}  bufferName    The name of the buffer to start.\n\t\t *  @param  {Time}  time      When to start the buffer.\n\t\t *  @param  {Time}  [offset=0]    The offset into the buffer to play from.\n\t\t *  @param  {Time=}  loopStart   The start of the loop.\n\t\t *  @param  {Time=}  loopEnd\tThe end of the loop.\n\t\t *  @param  {Interval}  [pitch=0]  The interval to repitch the buffer.\n\t\t *  @param  {Gain}  [gain=1]      The gain to play the sample at.\n\t\t *  @return  {Tone.MultiPlayer}  this\n\t\t */\n\t    Tone.MultiPlayer.prototype.startLoop = function (bufferName, time, offset, loopStart, loopEnd, pitch, gain) {\n\t        time = this.toSeconds(time);\n\t        var source = this._makeSource(bufferName);\n\t        source.loop = true;\n\t        source.loopStart = this.toSeconds(this.defaultArg(loopStart, 0));\n\t        source.loopEnd = this.toSeconds(this.defaultArg(loopEnd, 0));\n\t        source.start(time, offset, undefined, this.defaultArg(gain, 1), this.fadeIn);\n\t        pitch = this.defaultArg(pitch, 0);\n\t        source.playbackRate.value = this.intervalToFrequencyRatio(pitch);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Stop the first played instance of the buffer name.\n\t\t *  @param  {String}  bufferName  The buffer to stop.\n\t\t *  @param  {Time=}  time    When to stop the buffer\n\t\t *  @return  {Tone.MultiPlayer}  this\n\t\t */\n\t    Tone.MultiPlayer.prototype.stop = function (bufferName, time) {\n\t        if (this._activeSources[bufferName] && this._activeSources[bufferName].length) {\n\t            time = this.toSeconds(time);\n\t            this._activeSources[bufferName].shift().stop(time, this.fadeOut);\n\t        } else {\n\t            throw new Error('Tone.MultiPlayer: cannot stop a buffer that hasn\\'t been started or is already stopped');\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Stop all currently playing buffers at the given time.\n\t\t *  @param  {Time=}  time  When to stop the buffers.\n\t\t *  @return  {Tone.MultiPlayer}  this\n\t\t */\n\t    Tone.MultiPlayer.prototype.stopAll = function (time) {\n\t        time = this.toSeconds(time);\n\t        for (var bufferName in this._activeSources) {\n\t            var sources = this._activeSources[bufferName];\n\t            for (var i = 0; i < sources.length; i++) {\n\t                sources[i].stop(time);\n\t            }\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Add another buffer to the available buffers.\n\t\t *  @param {String} name The name to that the buffer is refered\n\t\t *                       to in start/stop methods. \n\t\t *  @param {String|Tone.Buffer} url The url of the buffer to load\n\t\t *                                  or the buffer.\n\t\t *  @param {Function} callback The function to invoke after the buffer is loaded.\n\t\t */\n\t    Tone.MultiPlayer.prototype.add = function (name, url, callback) {\n\t        this.buffers.add(name, url, callback);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Returns the playback state of the source. \"started\"\n\t\t *  if there are any buffers playing. \"stopped\" otherwise.\n\t\t *  @type {Tone.State}\n\t\t *  @readOnly\n\t\t *  @memberOf Tone.MultiPlayer#\n\t\t *  @name state\n\t\t */\n\t    Object.defineProperty(Tone.MultiPlayer.prototype, 'state', {\n\t        get: function () {\n\t            return this._activeSources.length > 0 ? Tone.State.Started : Tone.State.Stopped;\n\t        }\n\t    });\n\t    /**\n\t\t * Mute the output. \n\t\t * @memberOf Tone.MultiPlayer#\n\t\t * @type {boolean}\n\t\t * @name mute\n\t\t * @example\n\t\t * //mute the output\n\t\t * source.mute = true;\n\t\t */\n\t    Object.defineProperty(Tone.MultiPlayer.prototype, 'mute', {\n\t        get: function () {\n\t            return this._volume.mute;\n\t        },\n\t        set: function (mute) {\n\t            this._volume.mute = mute;\n\t        }\n\t    });\n\t    /**\n\t\t *  Clean up.\n\t\t *  @return  {Tone.MultiPlayer}  this\n\t\t */\n\t    Tone.MultiPlayer.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._volume.dispose();\n\t        this._volume = null;\n\t        this._writable('volume');\n\t        this.volume = null;\n\t        for (var bufferName in this._activeSources) {\n\t            this._activeSources[bufferName].forEach(function (source) {\n\t                source.dispose();\n\t            });\n\t        }\n\t        this.buffers.dispose();\n\t        this.buffers = null;\n\t        this._activeSources = null;\n\t        return this;\n\t    };\n\t    return Tone.MultiPlayer;\n\t});\n\tModule(function (Tone) {\n\t    /**\n\t\t * @class Tone.GrainPlayer implements [granular synthesis](https://en.wikipedia.org/wiki/Granular_synthesis).\n\t\t *        Granular Synthesis enables you to adjust pitch and playback rate independently. The grainSize is the \n\t\t *        amount of time each small chunk of audio is played for and the overlap is the \n\t\t *        amount of crossfading transition time between successive grains.\n\t\t * @extends {Tone}\n\t\t * @param {String|Tone.Buffer} url\tThe url to load, or the Tone.Buffer to play.\n\t\t * @param {Function=} callback The callback to invoke after the url is loaded.\n\t\t */\n\t    Tone.GrainPlayer = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'url',\n\t            'onload'\n\t        ], Tone.GrainPlayer.defaults);\n\t        Tone.Source.call(this);\n\t        /**\n\t\t\t *  The audio buffer belonging to the player.\n\t\t\t *  @type  {Tone.Buffer}\n\t\t\t */\n\t        this.buffer = new Tone.Buffer(options.url, options.onload);\n\t        /**\n\t\t\t *  Plays the buffer with a small envelope\n\t\t\t *  @type  {Tone.MultiPlayer}\n\t\t\t *  @private\n\t\t\t */\n\t        this._player = new Tone.MultiPlayer().connect(this.output);\n\t        /**\n\t\t\t *  Create a repeating tick to schedule\n\t\t\t *  the grains.\n\t\t\t *  @type  {Tone.Clock}\n\t\t\t *  @private\n\t\t\t */\n\t        this._clock = new Tone.Clock(this._tick.bind(this), 1);\n\t        /**\n\t\t\t *  @type  {Number}\n\t\t\t *  @private\n\t\t\t */\n\t        this._loopStart = 0;\n\t        /**\n\t\t\t *  @type  {Number}\n\t\t\t *  @private\n\t\t\t */\n\t        this._loopEnd = 0;\n\t        /**\n\t\t\t *  @type  {Number}\n\t\t\t *  @private\n\t\t\t */\n\t        this._playbackRate = options.playbackRate;\n\t        /**\n\t\t\t *  @type  {Number}\n\t\t\t *  @private\n\t\t\t */\n\t        this._grainSize = options.grainSize;\n\t        /**\n\t\t\t *  @private\n\t\t\t *  @type {Number}\n\t\t\t */\n\t        this._overlap = options.overlap;\n\t        /**\n\t\t\t *  Adjust the pitch independently of the playbackRate.\n\t\t\t *  @type  {Cents}\n\t\t\t */\n\t        this.detune = options.detune;\n\t        /**\n\t\t\t *  The amount of time randomly added\n\t\t\t *  or subtracted from the grain's offset\n\t\t\t *  @type  {Time}\n\t\t\t */\n\t        this.drift = options.drift;\n\t        //setup\n\t        this.overlap = options.overlap;\n\t        this.loop = options.loop;\n\t        this.playbackRate = options.playbackRate;\n\t        this.grainSize = options.grainSize;\n\t        this.loopStart = options.loopStart;\n\t        this.loopEnd = options.loopEnd;\n\t        this.reverse = options.reverse;\n\t    };\n\t    Tone.extend(Tone.GrainPlayer, Tone.Source);\n\t    /**\n\t\t *  the default parameters\n\t\t *  @static\n\t\t *  @const\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.GrainPlayer.defaults = {\n\t        'onload': Tone.noOp,\n\t        'overlap': 0.1,\n\t        'grainSize': 0.2,\n\t        'drift': 0,\n\t        'playbackRate': 1,\n\t        'detune': 0,\n\t        'loop': false,\n\t        'loopStart': 0,\n\t        'loopEnd': 0,\n\t        'reverse': false\n\t    };\n\t    /**\n\t\t *  Play the buffer at the given startTime. Optionally add an offset\n\t\t *  and/or duration which will play the buffer from a position\n\t\t *  within the buffer for the given duration. \n\t\t *  \n\t\t *  @param  {Time} [startTime=now] When the player should start.\n\t\t *  @param  {Time} [offset=0] The offset from the beginning of the sample\n\t\t *                                 to start at. \n\t\t *  @param  {Time=} duration How long the sample should play. If no duration\n\t\t *                                is given, it will default to the full length \n\t\t *                                of the sample (minus any offset)\n\t\t *  @returns {Tone.GrainPlayer} this\n\t\t *  @memberOf Tone.GrainPlayer#\n\t\t *  @method start\n\t\t *  @name start\n\t\t */\n\t    /**\n\t\t *  Internal start method\n\t\t *  @param {Time} time\n\t\t *  @param {Time} offset\n\t\t *  @private\n\t\t */\n\t    Tone.GrainPlayer.prototype._start = function (time, offset, duration) {\n\t        offset = this.defaultArg(offset, 0);\n\t        offset = this.toSeconds(offset);\n\t        time = this.toSeconds(time);\n\t        this._offset = offset;\n\t        this._clock.start(time);\n\t        //unmute the player\n\t        this._player.volume.setValueAtTime(0, time);\n\t        if (duration) {\n\t            this._stop(time + this.toSeconds(duration));\n\t        }\n\t    };\n\t    /**\n\t\t *  Internal start method\n\t\t *  @param {Time} time\n\t\t *  @private\n\t\t */\n\t    Tone.GrainPlayer.prototype._stop = function (time) {\n\t        this._clock.stop(time);\n\t        //mute the player\n\t        this._player.volume.cancelScheduledValues(time);\n\t        this._player.volume.setValueAtTime(-Infinity, time);\n\t    };\n\t    /**\n\t\t *  Invoked on each clock tick. scheduled a new\n\t\t *  grain at this time.\n\t\t *  @param  {Time}  time \n\t\t *  @private\n\t\t */\n\t    Tone.GrainPlayer.prototype._tick = function (time) {\n\t        var bufferDuration = this.buffer.duration;\n\t        if (this.loop && this._loopEnd > 0) {\n\t            bufferDuration = this._loopEnd;\n\t        }\n\t        var drift = (Math.random() * 2 - 1) * this.drift;\n\t        var offset = this._offset - this._overlap + drift;\n\t        var detune = this.detune / 100;\n\t        //keep the offset within the limits of the buffer\n\t        offset = Math.max(offset, 0);\n\t        offset = Math.min(offset, bufferDuration);\n\t        var originalFadeIn = this._player.fadeIn;\n\t        if (this.loop && this._offset > bufferDuration) {\n\t            //play the end\n\t            var endSegmentDuration = this._offset - bufferDuration;\n\t            this._player.start(this.buffer, time, offset, endSegmentDuration + this._overlap, detune);\n\t            //and play the beginning \n\t            offset = this._offset % bufferDuration;\n\t            this._offset = this._loopStart;\n\t            this._player.fadeIn = 0;\n\t            this._player.start(this.buffer, time + endSegmentDuration, this._offset, offset + this._overlap, detune);\n\t        } else if (this._offset > bufferDuration) {\n\t            //set the state to stopped. \n\t            this.stop(time);\n\t        } else {\n\t            if (offset === 0) {\n\t                this._player.fadeIn = 0;\n\t            }\n\t            this._player.start(this.buffer, time, offset, this.grainSize + this._overlap, detune);\n\t        }\n\t        this._player.fadeIn = originalFadeIn;\n\t        //increment the offset\n\t        var duration = this._clock._nextTick - time;\n\t        this._offset += duration * this._playbackRate;\n\t    };\n\t    /**\n\t\t *  Jump to a specific time and play it.\n\t\t *  @param  {Time}  offset  The offset to jump to.\n\t\t *  @param {Time=} time When to make the jump.\n\t\t *  @return  {[type]}  [description]\n\t\t */\n\t    Tone.GrainPlayer.prototype.scrub = function (offset, time) {\n\t        this._offset = this.toSeconds(offset);\n\t        this._tick(this.toSeconds(time));\n\t        return this;\n\t    };\n\t    /**\n\t\t * The playback rate of the sample\n\t\t * @memberOf Tone.GrainPlayer#\n\t\t * @type {Positive}\n\t\t * @name playbackRate\n\t\t */\n\t    Object.defineProperty(Tone.GrainPlayer.prototype, 'playbackRate', {\n\t        get: function () {\n\t            return this._playbackRate;\n\t        },\n\t        set: function (rate) {\n\t            this._playbackRate = rate;\n\t            this.grainSize = this._grainSize;\n\t        }\n\t    });\n\t    /**\n\t\t * The loop start time. \n\t\t * @memberOf Tone.GrainPlayer#\n\t\t * @type {Time}\n\t\t * @name loopStart\n\t\t */\n\t    Object.defineProperty(Tone.GrainPlayer.prototype, 'loopStart', {\n\t        get: function () {\n\t            return this._loopStart;\n\t        },\n\t        set: function (time) {\n\t            this._loopStart = this.toSeconds(time);\n\t        }\n\t    });\n\t    /**\n\t\t * The loop end time. \n\t\t * @memberOf Tone.GrainPlayer#\n\t\t * @type {Time}\n\t\t * @name loopEnd\n\t\t */\n\t    Object.defineProperty(Tone.GrainPlayer.prototype, 'loopEnd', {\n\t        get: function () {\n\t            return this._loopEnd;\n\t        },\n\t        set: function (time) {\n\t            this._loopEnd = this.toSeconds(time);\n\t        }\n\t    });\n\t    /**\n\t\t * The direction the buffer should play in\n\t\t * @memberOf Tone.GrainPlayer#\n\t\t * @type {boolean}\n\t\t * @name reverse\n\t\t */\n\t    Object.defineProperty(Tone.GrainPlayer.prototype, 'reverse', {\n\t        get: function () {\n\t            return this.buffer.reverse;\n\t        },\n\t        set: function (rev) {\n\t            this.buffer.reverse = rev;\n\t        }\n\t    });\n\t    /**\n\t\t * The size of each chunk of audio that the \n\t\t * buffer is chopped into and played back at.\n\t\t * @memberOf Tone.GrainPlayer#\n\t\t * @type {Time}\n\t\t * @name grainSize\n\t\t */\n\t    Object.defineProperty(Tone.GrainPlayer.prototype, 'grainSize', {\n\t        get: function () {\n\t            return this._grainSize;\n\t        },\n\t        set: function (size) {\n\t            this._grainSize = this.toSeconds(size);\n\t            this._clock.frequency.value = this._playbackRate / this._grainSize;\n\t        }\n\t    });\n\t    /**\n\t\t * This is the duration of the cross-fade between \n\t\t * sucessive grains.\n\t\t * @memberOf Tone.GrainPlayer#\n\t\t * @type {Time}\n\t\t * @name overlap\n\t\t */\n\t    Object.defineProperty(Tone.GrainPlayer.prototype, 'overlap', {\n\t        get: function () {\n\t            return this._overlap;\n\t        },\n\t        set: function (time) {\n\t            time = this.toSeconds(time);\n\t            this._overlap = time;\n\t            if (this._overlap < 0) {\n\t                this._player.fadeIn = 0.01;\n\t                this._player.fadeOut = 0.01;\n\t            } else {\n\t                this._player.fadeIn = time;\n\t                this._player.fadeOut = time;\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t * Clean up\n\t\t * @return {Tone.GrainPlayer} this\n\t\t */\n\t    Tone.GrainPlayer.prototype.dispose = function () {\n\t        Tone.Source.prototype.dispose.call(this);\n\t        this.buffer.dispose();\n\t        this.buffer = null;\n\t        this._player.dispose();\n\t        this._player = null;\n\t        this._clock.dispose();\n\t        this._clock = null;\n\t        return this;\n\t    };\n\t    return Tone.GrainPlayer;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  Tone.UserMedia uses MediaDevices.getUserMedia to open up\n\t\t *          and external microphone or audio input. Check \n\t\t *          [MediaDevices API Support](https://developer.mozilla.org/en-US/docs/Web/API/MediaDevices/getUserMedia)\n\t\t *          to see which browsers are supported. Access to an external input\n\t\t *          is limited to secure (HTTPS) connections.\n\t\t *         \n\t\t *  @constructor\n\t\t *  @extends {Tone}\n\t\t *  @param {Decibels=} volume The level of the input\n\t\t *  @example\n\t\t * //list the inputs and open the third one\n\t\t * var motu = new Tone.UserMedia();\n\t\t * \n\t\t * //opening the input asks the user to activate their mic\n\t\t * motu.open().then(function(){\n\t\t * \t//opening is activates the microphone\n\t\t * \t//starting lets audio through\n\t\t * \tmotu.start(10);\n\t\t * });\n\t\t */\n\t    Tone.UserMedia = function () {\n\t        var options = this.optionsObject(arguments, ['volume'], Tone.UserMedia.defaults);\n\t        /**\n\t\t\t *  The MediaStreamNode \n\t\t\t *  @type {MediaStreamAudioSourceNode}\n\t\t\t *  @private\n\t\t\t */\n\t        this._mediaStream = null;\n\t        /**\n\t\t\t *  The media stream created by getUserMedia.\n\t\t\t *  @type {LocalMediaStream}\n\t\t\t *  @private\n\t\t\t */\n\t        this._stream = null;\n\t        /**\n\t\t\t *  The open device\n\t\t\t *  @type  {MediaDeviceInfo}\n\t\t\t *  @private\n\t\t\t */\n\t        this._device = null;\n\t        /**\n\t\t\t *  The output volume node\n\t\t\t *  @type  {Tone.Volume}\n\t\t\t *  @private\n\t\t\t */\n\t        this._volume = this.output = new Tone.Volume(options.volume);\n\t        /**\n\t\t\t * The volume of the output in decibels.\n\t\t\t * @type {Decibels}\n\t\t\t * @signal\n\t\t\t * @example\n\t\t\t * input.volume.value = -6;\n\t\t\t */\n\t        this.volume = this._volume.volume;\n\t        this._readOnly('volume');\n\t        this.mute = options.mute;\n\t    };\n\t    Tone.extend(Tone.UserMedia);\n\t    /**\n\t\t * the default parameters\n\t\t * @type {Object}\n\t\t */\n\t    Tone.UserMedia.defaults = {\n\t        'volume': 0,\n\t        'mute': false\n\t    };\n\t    /**\n\t\t *  Open the media stream. If a string is passed in, it is assumed\n\t\t *  to be the label or id of the stream, if a number is passed in,\n\t\t *  it is the input number of the stream.\n\t\t *  @param  {String|Number} [labelOrId=\"default\"] The label or id of the audio input media device. \n\t\t *                                                With no argument, the default stream is opened.\n\t\t *  @return {Promise} The promise is resolved when the stream is open.\n\t\t */\n\t    Tone.UserMedia.prototype.open = function (labelOrId) {\n\t        labelOrId = this.defaultArg(labelOrId, 'default');\n\t        return this.enumerateDevices().then(function (devices) {\n\t            var device;\n\t            if (this.isNumber(labelOrId)) {\n\t                device = devices[labelOrId];\n\t            } else {\n\t                device = devices.find(function (device) {\n\t                    return device.label === labelOrId || device.deviceId === labelOrId;\n\t                });\n\t                if (!device) {\n\t                    //otherwise just take the first one\n\t                    device = devices[0];\n\t                }\n\t            }\n\t            //didn't find a matching device\n\t            if (!device) {\n\t                throw new Error('Tone.UserMedia: no matching audio inputs.');\n\t            }\n\t            this._device = device;\n\t            //do getUserMedia\n\t            var constraints = {\n\t                audio: {\n\t                    'deviceId': device.deviceId,\n\t                    'echoCancellation': false,\n\t                    'sampleRate': this.context.sampleRate\n\t                }\n\t            };\n\t            return navigator.mediaDevices.getUserMedia(constraints).then(function (stream) {\n\t                //start a new source only if the previous one is closed\n\t                if (!this._stream) {\n\t                    this._stream = stream;\n\t                    //Wrap a MediaStreamSourceNode around the live input stream.\n\t                    this._mediaStream = this.context.createMediaStreamSource(stream);\n\t                    //Connect the MediaStreamSourceNode to a gate gain node\n\t                    this._mediaStream.connect(this.output);\n\t                }\n\t                return this;\n\t            }.bind(this));\n\t        }.bind(this));\n\t    };\n\t    /**\n\t\t *  Close the media stream\n\t\t *  @return {Tone.UserMedia} this\n\t\t */\n\t    Tone.UserMedia.prototype.close = function () {\n\t        if (this._stream) {\n\t            this._stream.getAudioTracks().forEach(function (track) {\n\t                track.stop();\n\t            });\n\t            this._stream = null;\n\t            //remove the old media stream\n\t            this._mediaStream.disconnect();\n\t            this._mediaStream = null;\n\t        }\n\t        this._device = null;\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Returns a promise which resolves with the list of audio input devices available.\n\t\t *  @return {Promise} The promise that is resolved with the devices\n\t\t *  @example\n\t\t * extInput.enumerateDevices().then(function(devices){\n\t\t * \tconsole.log(devices)\n\t\t * })\n\t\t */\n\t    Tone.UserMedia.prototype.enumerateDevices = function () {\n\t        return navigator.mediaDevices.enumerateDevices().then(function (devices) {\n\t            return devices.filter(function (device) {\n\t                return device.kind === 'audioinput';\n\t            });\n\t        });\n\t    };\n\t    /**\n\t\t *  Returns the playback state of the source, \"started\" when the microphone is open\n\t\t *  and \"stopped\" when the mic is closed.\n\t\t *  @type {Tone.State}\n\t\t *  @readOnly\n\t\t *  @memberOf Tone.UserMedia#\n\t\t *  @name state\n\t\t */\n\t    Object.defineProperty(Tone.UserMedia.prototype, 'state', {\n\t        get: function () {\n\t            return this._stream && this._stream.active ? Tone.State.Started : Tone.State.Stopped;\n\t        }\n\t    });\n\t    /**\n\t\t * \tReturns an identifier for the represented device that is \n\t\t * \tpersisted across sessions. It is un-guessable by other applications and \n\t\t * \tunique to the origin of the calling application. It is reset when the \n\t\t * \tuser clears cookies (for Private Browsing, a different identifier is \n\t\t * \tused that is not persisted across sessions). Returns undefined when the \n\t\t * \tdevice is not open.\n\t\t *  @type {String}\n\t\t *  @readOnly\n\t\t *  @memberOf Tone.UserMedia#\n\t\t *  @name deviceId\n\t\t */\n\t    Object.defineProperty(Tone.UserMedia.prototype, 'deviceId', {\n\t        get: function () {\n\t            if (this._device) {\n\t                return this._device.deviceId;\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t * \tReturns a group identifier. Two devices have the \n\t\t * \tsame group identifier if they belong to the same physical device.\n\t\t * \tReturns undefined when the device is not open.\n\t\t *  @type {String}\n\t\t *  @readOnly\n\t\t *  @memberOf Tone.UserMedia#\n\t\t *  @name groupId\n\t\t */\n\t    Object.defineProperty(Tone.UserMedia.prototype, 'groupId', {\n\t        get: function () {\n\t            if (this._device) {\n\t                return this._device.groupId;\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t * \tReturns a label describing this device (for example \"Built-in Microphone\"). \n\t\t * \tReturns undefined when the device is not open or label is not available\n\t\t * \tbecause of permissions.\n\t\t *  @type {String}\n\t\t *  @readOnly\n\t\t *  @memberOf Tone.UserMedia#\n\t\t *  @name groupId\n\t\t */\n\t    Object.defineProperty(Tone.UserMedia.prototype, 'label', {\n\t        get: function () {\n\t            if (this._device) {\n\t                return this._device.label;\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t * Mute the output. \n\t\t * @memberOf Tone.UserMedia#\n\t\t * @type {boolean}\n\t\t * @name mute\n\t\t * @example\n\t\t * //mute the output\n\t\t * userMedia.mute = true;\n\t\t */\n\t    Object.defineProperty(Tone.UserMedia.prototype, 'mute', {\n\t        get: function () {\n\t            return this._volume.mute;\n\t        },\n\t        set: function (mute) {\n\t            this._volume.mute = mute;\n\t        }\n\t    });\n\t    /**\n\t\t * Clean up.\n\t\t * @return {Tone.UserMedia} this\n\t\t */\n\t    Tone.UserMedia.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this.close();\n\t        this._writable('volume');\n\t        this._volume.dispose();\n\t        this._volume = null;\n\t        this.volume = null;\n\t        return this;\n\t    };\n\t    /**\n\t\t *  If getUserMedia is supported by the browser.\n\t\t *  @type  {Boolean}\n\t\t *  @memberOf Tone.UserMedia#\n\t\t *  @name supported\n\t\t *  @static\n\t\t *  @readOnly\n\t\t */\n\t    Object.defineProperty(Tone.UserMedia, 'supported', {\n\t        get: function () {\n\t            return !Tone.prototype.isUndef(navigator.mediaDevices) && Tone.prototype.isFunction(navigator.mediaDevices.getUserMedia);\n\t        }\n\t    });\n\t    return Tone.UserMedia;\n\t});\n\t\n\treturn Tone;\n}));\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/tone/build/Tone.js\n// module id = 0\n// module chunks = 0","\"use strict\";\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\nexports.requestAudioContext = exports.roundFreq = exports.browser = exports.mod = exports.choice = undefined;\n\nvar _tone = require(\"tone\");\n\nvar _tone2 = _interopRequireDefault(_tone);\n\nvar _startAudioContext = require(\"./startAudioContext\");\n\nvar _startAudioContext2 = _interopRequireDefault(_startAudioContext);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\n/**\n * Utilities\n * @module lib/util.js;\n */\n\nvar isIphone = navigator.userAgent.match(/iPhone/i) || navigator.userAgent.match(/iPod/i);\nvar isIpad = navigator.userAgent.match(/iPad/i);\nvar isAndroid = navigator.userAgent.match(/Android/i);\nvar isMobile = isIphone || isIpad || isAndroid;\nvar isDesktop = !isMobile;\n\ndocument.body.classList.add(isMobile ? \"mobile\" : \"desktop\");\n\nvar browser = { isIphone: isIphone, isIpad: isIpad, isMobile: isMobile, isDesktop: isDesktop };\n\nfunction choice(a) {\n  return a[Math.floor(Math.random() * a.length)];\n}\nfunction mod(n, m) {\n  return n - m * Math.floor(n / m);\n}\nfunction roundFreq(freq) {\n  return Math.round(freq * 100);\n}\n\nfunction requestAudioContext(fn) {\n  if (window.location.protocol !== \"https:\") {\n    var container = document.createElement(\"div\");\n    var button = document.createElement(\"div\");\n    button.innerHTML = \"Tap to start - please unmute your phone\";\n    Object.assign(container.style, {\n      display: \"block\",\n      position: \"absolute\",\n      width: \"100%\",\n      height: \"100%\",\n      zIndex: \"10000\",\n      top: \"0px\",\n      left: \"0px\",\n      backgroundColor: \"rgba(0, 0, 0, 0.8)\"\n    });\n    Object.assign(button.style, {\n      display: \"block\",\n      position: \"absolute\",\n      left: \"50%\",\n      top: \"50%\",\n      padding: \"20px\",\n      backgroundColor: \"#7F33ED\",\n      color: \"white\",\n      fontFamily: \"monospace\",\n      borderRadius: \"3px\",\n      transform: \"translate3D(-50%,-50%,0)\",\n      textAlign: \"center\",\n      lineHeight: \"1.5\",\n      width: \"150px\"\n    });\n    container.appendChild(button);\n    document.body.appendChild(container);\n    _startAudioContext2.default.setContext(_tone2.default.context);\n    _startAudioContext2.default.on(button);\n    _startAudioContext2.default.onStarted(function (_) {\n      container.remove();\n      fn();\n    });\n  } else {\n    fn();\n  }\n}\n\nexports.choice = choice;\nexports.mod = mod;\nexports.browser = browser;\nexports.roundFreq = roundFreq;\nexports.requestAudioContext = requestAudioContext;\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./client/lib/util.js\n// module id = 1\n// module chunks = 0","'use strict';\n\n/**\n* FUNCTION: isArray( value )\n*\tValidates if a value is an array.\n*\n* @param {*} value - value to be validated\n* @returns {Boolean} boolean indicating whether value is an array\n*/\nfunction isArray( value ) {\n\treturn Object.prototype.toString.call( value ) === '[object Array]';\n} // end FUNCTION isArray()\n\n// EXPORTS //\n\nmodule.exports = Array.isArray || isArray;\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/validate.io-array/lib/index.js\n// module id = 2\n// module chunks = 0","\"use strict\";\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\n/**\n * Iquizeles color generator\n * @module lib/color.js;\n */\n\nvar palettes = [[[0.5, 0.5, 0.5], [0.5, 0.5, 0.5], [1.0, 1.0, 1.0], [0.0, 0.33, 0.67]], [[0.5, 0.5, 0.5], [0.5, 0.5, 0.5], [1.0, 1.0, 1.0], [0.0, 0.1, 0.2]], [[0.5, 0.5, 0.5], [0.5, 0.5, 0.5], [1.0, 1.0, 1.0], [0.3, 0.2, 0.2]], [[0.5, 0.5, 0.5], [0.5, 0.5, 0.5], [1.0, 1.0, 0.5], [0.8, 0.9, 0.3]], [[0.5, 0.5, 0.5], [0.5, 0.5, 0.5], [1.0, 0.7, 0.4], [0.0, 0.15, 0.2]], [[0.5, 0.5, 0.5], [0.5, 0.5, 0.5], [2.0, 1.0, 0.0], [0.5, 0.2, 0.25]], [[0.8, 0.5, 0.4], [0.2, 0.4, 0.2], [2.0, 1.0, 1.0], [0.0, 0.25, 0.25]]];\n\nvar palette = palettes[0];\n\nfunction channel(t, a, b, c, d, add, mul) {\n  return a + b * Math.cos(2 * Math.PI * (c * t + d)) * mul + add;\n}\n\nfunction color(t, add, mul) {\n  var a = void 0,\n      b = void 0,\n      c = void 0,\n      d = void 0;\n  var rgb = [];\n  for (var i = 0; i < 3; i++) {\n    a = palette[0][i];\n    b = palette[1][i];\n    c = palette[2][i];\n    d = palette[3][i];\n    rgb[i] = Math.round(channel(t, a, b, c, d, add, mul) * 255);\n  }\n  return \"rgb(\" + rgb + \")\";\n}\n\nexports.default = color;\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./client/lib/color.js\n// module id = 3\n// module chunks = 0","\"use strict\";\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\n\nvar _tone = require(\"tone\");\n\nvar _tone2 = _interopRequireDefault(_tone);\n\nvar _util = require(\"./util\");\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\n/**\n * Kalimba\n * @module lib/kalimba.js;\n */\n\nvar player_count = 4;\n\nvar samples = [{ root: 219.5, fn: \"samples/380737__cabled-mess__sansula-01-a-raw.wav\" }, { root: 260.9, fn: \"samples/380736__cabled-mess__sansula-02-c-raw.wav\" }, { root: 330.2, fn: \"samples/380735__cabled-mess__sansula-03-e-raw.wav\" }];\n\nfunction load(output) {\n  samples.forEach(function (sample) {\n    sample.players = [];\n    sample.index = -1;\n    for (var i = 0; i < player_count; i++) {\n      var fn = sample.fn;\n      if (window.location.href.match(/asdf.us/)) {\n        fn = \"//asdf.us/kalimba/\" + fn.replace(\"wav\", \"mp3\");\n      }\n      var player = new _tone2.default.Player({\n        url: fn,\n        retrigger: true,\n        playbackRate: 1\n      });\n      player.name = fn;\n      var gain = new _tone2.default.Gain(1.6);\n      player.connect(gain);\n      gain.connect(output);\n      sample.players.push(player);\n    }\n  });\n  console.log(\"+ Voices:\", samples.reduce(function (count, sample) {\n    return count + sample.players.length;\n  }, 0));\n}\n\nvar last = 440;\n\nfunction play(freq) {\n  last = freq;\n  var sample = (0, _util.choice)(samples);\n  sample.index = (sample.index + 1) % sample.players.length;\n\n  var player = sample.players[sample.index];\n  player.playbackRate = freq / sample.root;\n  player.start();\n}\n\nfunction pause() {\n  // no-op\n}\n\nexports.default = { load: load, play: play, pause: pause };\n\n// for help tuning\n\nfunction keydown(e) {\n  // console.log(e.keyCode)\n  if (e.metaKey && last) {\n    var step = e.shiftKey ? e.ctrlKey ? 0.01 : 0.1 : 1;\n    switch (e.keyCode) {\n      case 38:\n        // up\n        e.preventDefault();\n        samples[0].root -= step;\n        play(last);\n        break;\n      case 40:\n        // down\n        e.preventDefault();\n        samples[0].root += step;\n        play(last);\n        break;\n    }\n    console.log(samples[0].root);\n  }\n}\n// window.addEventListener(\"keydown\", keydown, true);\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./client/lib/kalimba.js\n// module id = 4\n// module chunks = 0","\"use strict\";\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\n/**\n * Keyboard helper\n * @module lib/keys.js;\n */\n\nvar keys = {};\nvar key_numbers = {};\nvar letters = \"zxcvbnmasdfghjklqwertyuiop\";\nvar numbers = \"1234567890\";\n\nvar callback = function callback() {};\n\nletters.toUpperCase().split(\"\").map(function (k, i) {\n  keys[k.charCodeAt(0)] = i;\n});\n\nnumbers.split(\"\").map(function (k, i) {\n  keys[k.charCodeAt(0)] = i + letters.length;\n  key_numbers[k.charCodeAt(0)] = true;\n});\n\nwindow.addEventListener(\"keydown\", keydown, true);\nfunction keydown(e) {\n  if (e.altKey || e.ctrlKey || e.metaKey) {\n    e.stopPropagation();\n    return;\n  }\n  if (document.activeElement instanceof HTMLInputElement && e.keyCode in key_numbers) {\n    e.stopPropagation();\n    return;\n  }\n  if (!(e.keyCode in keys)) return;\n  var index = keys[e.keyCode];\n  if (e.shiftKey) index += letters.length;\n  index -= 7;\n  callback(index);\n}\n\nfunction listen(fn) {\n  callback = fn;\n}\n\nexports.default = { listen: listen };\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./client/lib/keys.js\n// module id = 5\n// module chunks = 0","\"use strict\";\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\n\nvar _tone = require(\"tone\");\n\nvar _tone2 = _interopRequireDefault(_tone);\n\nvar _util = require(\"./util\");\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\n/**\n * Sine wave organ\n * @module lib/organ.js;\n */\n\nvar oscillators = {};\n\nvar output = void 0;\nvar lastPlayed = void 0;\n\nfunction load(out) {\n  output = out;\n}\n\nfunction isPlaying(freq) {\n  var rounded = (0, _util.roundFreq)(freq);\n  var osc = oscillators[rounded];\n  return osc && osc.playing;\n}\nfunction play(freq) {\n  if (!output) {\n    return;\n  }\n  var rounded = (0, _util.roundFreq)(freq);\n  var osc = oscillators[rounded] = oscillators[rounded] || {};\n  if (!osc.el) {\n    osc.el = new _tone2.default.Oscillator(freq, \"sine\");\n    osc.el.connect(output);\n  }\n  osc.el.start();\n  osc.playing = true;\n  lastPlayed = osc;\n  return osc;\n}\n\nfunction pause(freq) {\n  var rounded = (0, _util.roundFreq)(freq);\n  if (!oscillators[rounded]) return;\n  var osc = oscillators[rounded] = oscillators[rounded] || {};\n  if (osc.el) osc.el.stop();\n  osc.playing = false;\n  return osc;\n}\n\nexports.default = { load: load, isPlaying: isPlaying, play: play, pause: pause, oscillators: oscillators };\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./client/lib/organ.js\n// module id = 6\n// module chunks = 0","\"use strict\";\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\nexports.getOutput = getOutput;\n\nvar _tone = require(\"tone\");\n\nvar _tone2 = _interopRequireDefault(_tone);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nvar output = null; /**\n                    * Common output stage\n                    * @module lib/output.js;\n                    */\n\nfunction getOutput() {\n  if (!output) output = makeOutput();\n  return output;\n}\n\nfunction makeOutput() {\n  var compressor = new _tone2.default.Compressor(-30, 3);\n  var gain = new _tone2.default.Gain(0.3);\n  compressor.connect(gain);\n  gain.toMaster();\n\n  return compressor;\n}\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./client/lib/output.js\n// module id = 7\n// module chunks = 0","\"use strict\";\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\n/**\n * List of prime numbers\n * @module lib/primes.js;\n */\n\nvar PRIMES = exports.PRIMES = [1, 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227, 229, 233, 239, 241, 251, 257, 263, 269, 271, 277, 281, 283, 293, 307, 311, 313, 317, 331, 337, 347, 349, 353, 359, 367, 373, 379, 383, 389, 397, 401, 409, 419, 421, 431, 433, 439, 443, 449, 457, 461, 463, 467, 479, 487, 491, 499, 503, 509, 521, 523, 541, 547, 557, 563, 569, 571, 577, 587, 593, 599, 601, 607, 613, 617, 619, 631, 641, 643, 647, 653, 659, 661, 673, 677, 683, 691, 701, 709, 719, 727, 733, 739, 743, 751, 757, 761, 769, 773, 787, 797, 809, 811, 821, 823, 827, 829, 839, 853, 857, 859, 863, 877, 881, 883, 887, 907, 911, 919, 929, 937, 941, 947, 953, 967, 971, 977, 983, 991, 997];\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./client/lib/primes.js\n// module id = 8\n// module chunks = 0","'use strict';\n\n// MODULES //\n\nvar isArray = require( 'validate.io-array' ),\n\tisIntegerArray = require( 'validate.io-integer-array' ),\n\tisFunction = require( 'validate.io-function' );\n\n\n// VARIABLES //\n\nvar MAXINT = Math.pow( 2, 31 ) - 1;\n\n\n// FUNCTIONS //\n\n/**\n* FUNCTION: gcd( a, b )\n*\tComputes the greatest common divisor of two integers `a` and `b`, using the binary GCD algorithm.\n*\n* @param {Number} a - integer\n* @param {Number} b - integer\n* @returns {Number} greatest common divisor\n*/\nfunction gcd( a, b ) {\n\tvar k = 1,\n\t\tt;\n\t// Simple cases:\n\tif ( a === 0 ) {\n\t\treturn b;\n\t}\n\tif ( b === 0 ) {\n\t\treturn a;\n\t}\n\t// Reduce `a` and/or `b` to odd numbers and keep track of the greatest power of 2 dividing both `a` and `b`...\n\twhile ( a%2 === 0 && b%2 === 0 ) {\n\t\ta = a / 2; // right shift\n\t\tb = b / 2; // right shift\n\t\tk = k * 2; // left shift\n\t}\n\t// Reduce `a` to an odd number...\n\twhile ( a%2 === 0 ) {\n\t\ta = a / 2; // right shift\n\t}\n\t// Henceforth, `a` is always odd...\n\twhile ( b ) {\n\t\t// Remove all factors of 2 in `b`, as they are not common...\n\t\twhile ( b%2 === 0 ) {\n\t\t\tb = b / 2; // right shift\n\t\t}\n\t\t// `a` and `b` are both odd. Swap values such that `b` is the larger of the two values, and then set `b` to the difference (which is even)...\n\t\tif ( a > b ) {\n\t\t\tt = b;\n\t\t\tb = a;\n\t\t\ta = t;\n\t\t}\n\t\tb = b - a; // b=0 iff b=a\n\t}\n\t// Restore common factors of 2...\n\treturn k * a;\n} // end FUNCTION gcd()\n\n/**\n* FUNCTION: bitwise( a, b )\n*\tComputes the greatest common divisor of two integers `a` and `b`, using the binary GCD algorithm and bitwise operations.\n*\n* @param {Number} a - safe integer\n* @param {Number} b - safe integer\n* @returns {Number} greatest common divisor\n*/\nfunction bitwise( a, b ) {\n\tvar k = 0,\n\t\tt;\n\t// Simple cases:\n\tif ( a === 0 ) {\n\t\treturn b;\n\t}\n\tif ( b === 0 ) {\n\t\treturn a;\n\t}\n\t// Reduce `a` and/or `b` to odd numbers and keep track of the greatest power of 2 dividing both `a` and `b`...\n\twhile ( (a & 1) === 0 && (b & 1) === 0 ) {\n\t\ta >>>= 1; // right shift\n\t\tb >>>= 1; // right shift\n\t\tk++;\n\t}\n\t// Reduce `a` to an odd number...\n\twhile ( (a & 1) === 0 ) {\n\t\ta >>>= 1; // right shift\n\t}\n\t// Henceforth, `a` is always odd...\n\twhile ( b ) {\n\t\t// Remove all factors of 2 in `b`, as they are not common...\n\t\twhile ( (b & 1) === 0 ) {\n\t\t\tb >>>= 1; // right shift\n\t\t}\n\t\t// `a` and `b` are both odd. Swap values such that `b` is the larger of the two values, and then set `b` to the difference (which is even)...\n\t\tif ( a > b ) {\n\t\t\tt = b;\n\t\t\tb = a;\n\t\t\ta = t;\n\t\t}\n\t\tb = b - a; // b=0 iff b=a\n\t}\n\t// Restore common factors of 2...\n\treturn a << k;\n} // end FUNCTION bitwise()\n\n\n// GREATEST COMMON DIVISOR //\n\n/**\n* FUNCTION: compute( arr[, clbk] )\n*\tComputes the greatest common divisor.\n*\n* @param {Number[]|Number} arr - input array of integers\n* @param {Function|Number} [clbk] - accessor function for accessing array values\n* @returns {Number|Null} greatest common divisor or null\n*/\nfunction compute() {\n\tvar nargs = arguments.length,\n\t\targs,\n\t\tclbk,\n\t\tarr,\n\t\tlen,\n\t\ta, b,\n\t\ti;\n\n\t// Copy the input arguments to an array...\n\targs = new Array( nargs );\n\tfor ( i = 0; i < nargs; i++ ) {\n\t\targs[ i ] = arguments[ i ];\n\t}\n\t// Have we been provided with integer arguments?\n\tif ( isIntegerArray( args ) ) {\n\t\tif ( nargs === 2 ) {\n\t\t\ta = args[ 0 ];\n\t\t\tb = args[ 1 ];\n\t\t\tif ( a < 0 ) {\n\t\t\t\ta = -a;\n\t\t\t}\n\t\t\tif ( b < 0 ) {\n\t\t\t\tb = -b;\n\t\t\t}\n\t\t\tif ( a <= MAXINT && b <= MAXINT ) {\n\t\t\t\treturn bitwise( a, b );\n\t\t\t} else {\n\t\t\t\treturn gcd( a, b );\n\t\t\t}\n\t\t}\n\t\tarr = args;\n\t}\n\t// If not integers, ensure the first argument is an array...\n\telse if ( !isArray( args[ 0 ] ) ) {\n\t\tthrow new TypeError( 'gcd()::invalid input argument. Must provide an array of integers. Value: `' + args[ 0 ] + '`.' );\n\t}\n\t// Have we been provided with more than one argument? If so, ensure that the accessor argument is a function...\n\telse if ( nargs > 1 ) {\n\t\tarr = args[ 0 ];\n\t\tclbk = args[ 1 ];\n\t\tif ( !isFunction( clbk ) ) {\n\t\t\tthrow new TypeError( 'gcd()::invalid input argument. Accessor must be a function. Value: `' + clbk + '`.' );\n\t\t}\n\t}\n\t// We have been provided an array...\n\telse {\n\t\tarr = args[ 0 ];\n\t}\n\tlen = arr.length;\n\n\t// Check if a sufficient number of values have been provided...\n\tif ( len < 2 ) {\n\t\treturn null;\n\t}\n\t// If an accessor is provided, extract the array values...\n\tif ( clbk ) {\n\t\ta = new Array( len );\n\t\tfor ( i = 0; i < len; i++ ) {\n\t\t\ta[ i ] = clbk( arr[ i ], i );\n\t\t}\n\t\tarr = a;\n\t}\n\t// Given an input array, ensure all array values are integers...\n\tif ( nargs < 3 ) {\n\t\tif ( !isIntegerArray( arr ) ) {\n\t\t\tthrow new TypeError( 'gcd()::invalid input argument. Accessed array values must be integers. Value: `' + arr + '`.' );\n\t\t}\n\t}\n\t// Convert any negative integers to positive integers...\n\tfor ( i = 0; i < len; i++ ) {\n\t\ta = arr[ i ];\n\t\tif ( a < 0 ) {\n\t\t\tarr[ i ] = -a;\n\t\t}\n\t}\n\t// Exploit the fact that the gcd is an associative function...\n\ta = arr[ 0 ];\n\tfor ( i = 1; i < len; i++ ) {\n\t\tb = arr[ i ];\n\t\tif ( b <= MAXINT && a <= MAXINT ) {\n\t\t\ta = bitwise( a, b );\n\t\t} else {\n\t\t\ta = gcd( a, b );\n\t\t}\n\t}\n\treturn a;\n} // end FUNCTION compute()\n\n\n// EXPORTS //\n\nmodule.exports = compute;\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/compute-gcd/lib/index.js\n// module id = 9\n// module chunks = 0","\"use strict\";\n\nvar _computeGcd = require(\"compute-gcd\");\n\nvar _computeGcd2 = _interopRequireDefault(_computeGcd);\n\nvar _keys = require(\"./lib/keys\");\n\nvar _keys2 = _interopRequireDefault(_keys);\n\nvar _color = require(\"./lib/color\");\n\nvar _color2 = _interopRequireDefault(_color);\n\nvar _kalimba = require(\"./lib/kalimba\");\n\nvar _kalimba2 = _interopRequireDefault(_kalimba);\n\nvar _sampler = require(\"./lib/sampler\");\n\nvar _sampler2 = _interopRequireDefault(_sampler);\n\nvar _organ = require(\"./lib/organ\");\n\nvar _organ2 = _interopRequireDefault(_organ);\n\nvar _output = require(\"./lib/output\");\n\nvar _util = require(\"./lib/util\");\n\nvar _primes = require(\"./lib/primes\");\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\n// import life from \"./lib/life\";\n\nvar instrument = _kalimba2.default; /**\n                                     * Lambdoma Triangle\n                                     * @module index.js;\n                                     */\n\nvar root = 440;\nvar s = 50;\nvar w = void 0,\n    h = void 0,\n    ws = void 0,\n    hs = void 0;\n\nvar add_on = 0;\nvar mul_on = 1.0;\nvar add_off = 0.1;\nvar mul_off = 0.9;\n\nvar dragging = false;\nvar erasing = false;\nvar lastFreq = 0;\nvar notes = [];\nvar base_x = 0;\nvar base_y = 0;\nvar is_split = false;\n\n(0, _util.requestAudioContext)(function () {\n  var output = (0, _output.getOutput)();\n  _kalimba2.default.load(output);\n  _organ2.default.load(output);\n  _sampler2.default.load(output, function ready() {\n    instrument = _sampler2.default;\n  });\n  build();\n  bind();\n});\n\nfunction build() {\n  w = window.innerWidth;\n  h = window.innerHeight;\n  ws = Math.ceil(w / s);\n  hs = Math.ceil(h / s);\n  for (var i = 0; i < ws; i++) {\n    notes[i] = [];\n    for (var j = 0; j < hs; j++) {\n      notes[i][j] = add(i, j);\n    }\n  }\n}\nfunction rebuild() {\n  notes.forEach(function (row) {\n    return row.forEach(function (note) {\n      return note.destroy();\n    });\n  });\n  build();\n}\nfunction play(freq) {\n  if (!_organ2.default.isPlaying(freq.frequency)) {\n    var frequency = freq.frequency;\n    // while (frequency < root) {\n    //   frequency *= 2;\n    // }\n    // while (frequency > root) {\n    //   frequency /= 2;\n    // }\n    var rounded = (0, _util.roundFreq)(freq.frequency);\n    _organ2.default.play(frequency);\n    notes.forEach(function (row) {\n      return row.forEach(function (note) {\n        return note.rounded === rounded && note.div.classList.add(\"playing\");\n      });\n    });\n  }\n}\nfunction trigger(freq) {\n  instrument.play(freq.frequency);\n}\nfunction pause(freq) {\n  _organ2.default.pause(freq.frequency);\n  var rounded = (0, _util.roundFreq)(freq.frequency);\n  notes.forEach(function (row) {\n    return row.forEach(function (note) {\n      return note.rounded === rounded && note.div.classList.remove(\"playing\");\n    });\n  });\n}\nfunction toggle(freq) {\n  if (_organ2.default.isPlaying(freq.rounded) || freq.div.classList.contains(\"playing\")) {\n    pause(freq);\n  } else {\n    play(freq);\n  }\n}\n\nfunction add(i, j) {\n  var a = i + 1 + base_x;\n  var b = j + 1 + base_y;\n  // const a = i + 1 + base_x;\n  // const b = i + j + 2 + base_y;\n  // const a = i + j + 1 + base_x;\n  // const b = j + 1 + base_y;\n  // const a = PRIMES[i];\n  // const b = PRIMES[i + j + 1];\n  var div = document.createElement(\"div\");\n  var frequency = root * a / b;\n  // const frequency = root * Math.pow(2, ((b / a) % 1) + 1);\n  var add = 0;\n  var frac = void 0;\n  div.style.left = i * s + \"px\";\n  div.style.top = j * s + \"px\";\n\n  var freq = {\n    frequency: frequency,\n    rounded: (0, _util.roundFreq)(frequency),\n    div: div,\n    i: i,\n    j: j,\n    playing: false,\n    destroy: function destroy() {\n      div.parentNode.removeChild(div);\n    },\n    recolor: function recolor(numerator, denominator) {\n      var aa = a / numerator;\n      var bb = b / denominator;\n      if (aa < bb) {\n        add = -Math.log(bb / aa) / 3.5;\n      } else {\n        add = Math.log(aa / bb) / 6;\n      }\n      var a_inv = a * denominator;\n      var b_inv = b * numerator;\n      var ba_gcd = (0, _computeGcd2.default)(a_inv, b_inv);\n      var a_disp = a_inv / ba_gcd;\n      var b_disp = b_inv / ba_gcd;\n\n      frac = Math.log2(aa / bb) % 1;\n      var frac_orig = Math.log2(a / b) % 1;\n      if (frac < 0) {\n        frac += 1;\n      }\n      if (frac_orig < 0) {\n        frac += 1;\n      }\n      if (frac_orig === 0) {\n        div.style.fontWeight = \"900\";\n      } else {\n        div.style.fontWeight = \"500\";\n      }\n\n      div.innerHTML = \"<div>\" + a_disp + \"</div><div>/</div><div>\" + b_disp + \"</div>\";\n      if (freq.playing) {\n        div.style.backgroundColor = (0, _color2.default)(frac, add + add_on, mul_on);\n      } else {\n        div.style.backgroundColor = (0, _color2.default)(frac, add + add_off, mul_off);\n      }\n\n      if (_organ2.default.isPlaying(frequency)) {\n        div.classList.add(\"playing\");\n      }\n    }\n  };\n\n  freq.recolor(1, 1);\n\n  if (_util.browser.isDesktop) {\n    div.addEventListener(\"mousedown\", function (event) {\n      if (event.button === 2) {\n        // rightclick\n        event.preventDefault();\n        // notes.forEach((row) => row.forEach((note) => note.recolor(a, b)));\n        is_split = [a, b];\n        toggle(freq);\n        return;\n      }\n      div.style.backgroundColor = (0, _color2.default)(frac, add + add_on, mul_on);\n      dragging = true;\n      trigger(freq);\n    });\n    div.addEventListener(\"mouseenter\", function () {\n      div.style.backgroundColor = (0, _color2.default)(frac, add + add_on, mul_on);\n      if (dragging) {\n        trigger(freq);\n      }\n    });\n    div.addEventListener(\"mouseleave\", function () {\n      div.style.backgroundColor = (0, _color2.default)(frac, add + add_off, mul_off);\n    });\n    div.addEventListener(\"contextmenu\", function (event) {\n      if (!event.ctrlKey || !event.metaKey || !event.altKey) {\n        event.preventDefault();\n      }\n    });\n  } else {\n    div.addEventListener(\"touchstart\", function (e) {\n      e.preventDefault();\n      toggle(freq);\n      erasing = !freq.playing;\n      lastFreq = freq;\n    });\n  }\n  document.body.appendChild(div);\n  return freq;\n}\n\nfunction bind() {\n  window.addEventListener(\"resize\", build);\n  if (_util.browser.isDesktop) {\n    document.addEventListener(\"mousedown\", function (event) {\n      if (event.button !== 2) {\n        dragging = true;\n      }\n    });\n    document.addEventListener(\"mouseup\", function () {\n      dragging = false;\n    });\n  } else {\n    document.addEventListener(\"touchstart\", function (e) {\n      e.preventDefault();\n      dragging = true;\n    });\n    document.addEventListener(\"touchmove\", function (e) {\n      e.preventDefault();\n      var x = Math.floor(e.touches[0].pageX / s);\n      var y = Math.floor(e.touches[0].pageY / s);\n      if (!(x in notes) || !(y in notes[x])) return;\n      var freq = notes[x][y];\n      if (freq !== lastFreq) {\n        if (dragging) {\n          if (erasing) {\n            pause(freq);\n          } else {\n            toggle(freq);\n          }\n        }\n        lastFreq = freq;\n      }\n    });\n    document.addEventListener(\"touchend\", function () {\n      dragging = false;\n    });\n  }\n}\n\nfunction keydown(e) {\n  // console.log(e.keyCode)\n  if (e.altKey || e.ctrlKey || e.metaKey) return;\n  var step = 1;\n  if (e.shiftKey) {\n    step += 4;\n  }\n  switch (e.keyCode) {\n    case 37:\n      // left\n      base_x = Math.max(0, base_x - step);\n      rebuild();\n      break;\n    case 38:\n      // up\n      base_y = Math.max(0, base_y - step);\n      rebuild();\n      break;\n    case 39:\n      // right\n      base_x += step;\n      rebuild();\n      break;\n    case 40:\n      // down\n      base_y += step;\n      rebuild();\n      break;\n  }\n}\nwindow.addEventListener(\"keydown\", keydown, true);\n\n_keys2.default.listen(function (index) {\n  index += 7;\n  var x = index % 7;\n  var y = Math.floor(index / 7);\n  var a = x;\n  var b = y + 1;\n  var freq = notes[a][b];\n  console.log(a / b, freq.frequency);\n  trigger(freq);\n  // const freq = scales.current().index(index)\n  // document.body.style.backgroundColor = color( index / scales.current().scale.length )\n  // instrument.toggle(freq)\n});\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./client/index.js\n// module id = 10\n// module chunks = 0","\"use strict\";\n\nvar _typeof = typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; };\n\n/**\n *  StartAudioContext.js\n *  @author Yotam Mann\n *  @license http://opensource.org/licenses/MIT MIT License\n *  @copyright 2016 Yotam Mann\n */\n(function (root, factory) {\n  if (typeof define === \"function\" && define.amd) {\n    define([], factory);\n  } else if ((typeof module === \"undefined\" ? \"undefined\" : _typeof(module)) === \"object\" && module.exports) {\n    module.exports = factory();\n  } else {\n    root.StartAudioContext = factory();\n  }\n})(undefined, function () {\n  /**\n   * The StartAudioContext object\n   */\n  var StartAudioContext = {\n    /**\n     * The audio context passed in by the user\n     * @type {AudioContext}\n     */\n    context: null,\n    /**\n     * The TapListeners bound to the elements\n     * @type {Array}\n     * @private\n     */\n    _tapListeners: [],\n    /**\n     * Callbacks to invoke when the audio context is started\n     * @type {Array}\n     * @private\n     */\n    _onStarted: []\n  };\n\n  /**\n   * Set the context\n   * @param {AudioContext} ctx\n   * @returns {StartAudioContext}\n   */\n  StartAudioContext.setContext = function (ctx) {\n    StartAudioContext.context = ctx;\n    return StartAudioContext;\n  };\n\n  /**\n   * Add a tap listener to the audio context\n   * @param  {Array|Element|String|jQuery} element\n   * @returns {StartAudioContext}\n   */\n  StartAudioContext.on = function (element) {\n    if (Array.isArray(element) || NodeList && element instanceof NodeList) {\n      for (var i = 0; i < element.length; i++) {\n        StartAudioContext.on(element[i]);\n      }\n    } else if (typeof element === \"string\") {\n      StartAudioContext.on(document.querySelectorAll(element));\n    } else if (element.jquery && typeof element.toArray === \"function\") {\n      StartAudioContext.on(element.toArray());\n    } else if (Element && element instanceof Element) {\n      //if it's an element, create a TapListener\n      var tap = new TapListener(element, onTap);\n      StartAudioContext._tapListeners.push(tap);\n    }\n    return StartAudioContext;\n  };\n\n  /**\n   * Bind a callback to when the audio context is started.\n   * @param {Function} cb\n   * @return {StartAudioContext}\n   */\n  StartAudioContext.onStarted = function (cb) {\n    //if it's already started, invoke the callback\n    if (StartAudioContext.isStarted()) {\n      cb();\n    } else {\n      StartAudioContext._onStarted.push(cb);\n    }\n    return StartAudioContext;\n  };\n\n  /**\n   * returns true if the context is started\n   * @return {Boolean}\n   */\n  StartAudioContext.isStarted = function () {\n    return StartAudioContext.context !== null && StartAudioContext.context.state === \"running\";\n  };\n\n  /**\n   * @class  Listens for non-dragging tap ends on the given element\n   * @param {Element} element\n   * @internal\n   */\n  var TapListener = function TapListener(element) {\n    this._dragged = false;\n\n    this._element = element;\n\n    this._bindedMove = this._moved.bind(this);\n    this._bindedEnd = this._ended.bind(this);\n\n    element.addEventListener(\"touchmove\", this._bindedMove);\n    element.addEventListener(\"touchend\", this._bindedEnd);\n    element.addEventListener(\"mouseup\", this._bindedEnd);\n  };\n\n  /**\n   * drag move event\n   */\n  TapListener.prototype._moved = function (e) {\n    this._dragged = true;\n  };\n\n  /**\n   * tap ended listener\n   */\n  TapListener.prototype._ended = function (e) {\n    if (!this._dragged) {\n      onTap();\n    }\n    this._dragged = false;\n  };\n\n  /**\n   * remove all the bound events\n   */\n  TapListener.prototype.dispose = function () {\n    this._element.removeEventListener(\"touchmove\", this._bindedMove);\n    this._element.removeEventListener(\"touchend\", this._bindedEnd);\n    this._element.removeEventListener(\"mouseup\", this._bindedEnd);\n    this._bindedMove = null;\n    this._bindedEnd = null;\n    this._element = null;\n  };\n\n  /**\n   * Invoked the first time of the elements is tapped.\n   * Creates a silent oscillator when a non-dragging touchend\n   * event has been triggered.\n   */\n  function onTap() {\n    //start the audio context with a silent oscillator\n    if (StartAudioContext.context && !StartAudioContext.isStarted()) {\n      var osc = StartAudioContext.context.createOscillator();\n      var silent = StartAudioContext.context.createGain();\n      silent.gain.value = 0;\n      osc.connect(silent);\n      silent.connect(StartAudioContext.context.destination);\n      var now = StartAudioContext.context.currentTime;\n      osc.start(now);\n      osc.stop(now + 0.5);\n    }\n\n    //dispose all the tap listeners\n    if (StartAudioContext._tapListeners) {\n      for (var i = 0; i < StartAudioContext._tapListeners.length; i++) {\n        StartAudioContext._tapListeners[i].dispose();\n      }\n      StartAudioContext._tapListeners = null;\n    }\n    //the onstarted callbacks\n    if (StartAudioContext._onStarted) {\n      for (var j = 0; j < StartAudioContext._onStarted.length; j++) {\n        StartAudioContext._onStarted[j]();\n      }\n      StartAudioContext._onStarted = null;\n    }\n  }\n\n  return StartAudioContext;\n});\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./client/lib/startAudioContext.js\n// module id = 11\n// module chunks = 0","/**\n*\n*\tVALIDATE: function\n*\n*\n*\tDESCRIPTION:\n*\t\t- Validates if a value is a function.\n*\n*\n*\tNOTES:\n*\t\t[1]\n*\n*\n*\tTODO:\n*\t\t[1]\n*\n*\n*\tLICENSE:\n*\t\tMIT\n*\n*\tCopyright (c) 2014. Athan Reines.\n*\n*\n*\tAUTHOR:\n*\t\tAthan Reines. kgryte@gmail.com. 2014.\n*\n*/\n\n'use strict';\n\n/**\n* FUNCTION: isFunction( value )\n*\tValidates if a value is a function.\n*\n* @param {*} value - value to be validated\n* @returns {Boolean} boolean indicating whether value is a function\n*/\nfunction isFunction( value ) {\n\treturn ( typeof value === 'function' );\n} // end FUNCTION isFunction()\n\n\n// EXPORTS //\n\nmodule.exports = isFunction;\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/validate.io-function/lib/index.js\n// module id = 12\n// module chunks = 0","/**\n*\n*\tVALIDATE: integer-array\n*\n*\n*\tDESCRIPTION:\n*\t\t- Validates if a value is an integer array.\n*\n*\n*\tNOTES:\n*\t\t[1]\n*\n*\n*\tTODO:\n*\t\t[1]\n*\n*\n*\tLICENSE:\n*\t\tMIT\n*\n*\tCopyright (c) 2015. Athan Reines.\n*\n*\n*\tAUTHOR:\n*\t\tAthan Reines. kgryte@gmail.com. 2015.\n*\n*/\n\n'use strict';\n\n// MODULES //\n\nvar isArray = require( 'validate.io-array' ),\n\tisInteger = require( 'validate.io-integer' );\n\n\n// IS INTEGER ARRAY //\n\n/**\n* FUNCTION: isIntegerArray( value )\n*\tValidates if a value is an integer array.\n*\n* @param {*} value - value to be validated\n* @returns {Boolean} boolean indicating if a value is an integer array\n*/\nfunction isIntegerArray( value ) {\n\tvar len;\n\tif ( !isArray( value ) ) {\n\t\treturn false;\n\t}\n\tlen = value.length;\n\tif ( !len ) {\n\t\treturn false;\n\t}\n\tfor ( var i = 0; i < len; i++ ) {\n\t\tif ( !isInteger( value[i] ) ) {\n\t\t\treturn false;\n\t\t}\n\t}\n\treturn true;\n} // end FUNCTION isIntegerArray()\n\n\n// EXPORTS //\n\nmodule.exports = isIntegerArray;\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/validate.io-integer-array/lib/index.js\n// module id = 13\n// module chunks = 0","/**\n*\n*\tVALIDATE: integer\n*\n*\n*\tDESCRIPTION:\n*\t\t- Validates if a value is an integer.\n*\n*\n*\tNOTES:\n*\t\t[1]\n*\n*\n*\tTODO:\n*\t\t[1]\n*\n*\n*\tLICENSE:\n*\t\tMIT\n*\n*\tCopyright (c) 2014. Athan Reines.\n*\n*\n*\tAUTHOR:\n*\t\tAthan Reines. kgryte@gmail.com. 2014.\n*\n*/\n\n'use strict';\n\n// MODULES //\n\nvar isNumber = require( 'validate.io-number' );\n\n\n// ISINTEGER //\n\n/**\n* FUNCTION: isInteger( value )\n*\tValidates if a value is an integer.\n*\n* @param {Number} value - value to be validated\n* @returns {Boolean} boolean indicating whether value is an integer\n*/\nfunction isInteger( value ) {\n\treturn isNumber( value ) && value%1 === 0;\n} // end FUNCTION isInteger()\n\n\n// EXPORTS //\n\nmodule.exports = isInteger;\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/validate.io-integer/lib/index.js\n// module id = 14\n// module chunks = 0","/**\n*\n*\tVALIDATE: number\n*\n*\n*\tDESCRIPTION:\n*\t\t- Validates if a value is a number.\n*\n*\n*\tNOTES:\n*\t\t[1]\n*\n*\n*\tTODO:\n*\t\t[1]\n*\n*\n*\tLICENSE:\n*\t\tMIT\n*\n*\tCopyright (c) 2014. Athan Reines.\n*\n*\n*\tAUTHOR:\n*\t\tAthan Reines. kgryte@gmail.com. 2014.\n*\n*/\n\n'use strict';\n\n/**\n* FUNCTION: isNumber( value )\n*\tValidates if a value is a number.\n*\n* @param {*} value - value to be validated\n* @returns {Boolean} boolean indicating whether value is a number\n*/\nfunction isNumber( value ) {\n\treturn ( typeof value === 'number' || Object.prototype.toString.call( value ) === '[object Number]' ) && value.valueOf() === value.valueOf();\n} // end FUNCTION isNumber()\n\n\n// EXPORTS //\n\nmodule.exports = isNumber;\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/validate.io-number/lib/index.js\n// module id = 15\n// module chunks = 0","\"use strict\";\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\nexports.load = load;\nexports.dragOver = dragOver;\nexports.drop = drop;\nexports.loadSampleFromFile = loadSampleFromFile;\n\nvar _tone = require(\"tone\");\n\nvar _tone2 = _interopRequireDefault(_tone);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nfunction _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } else { return Array.from(arr); } } /**\n                                                                                                                                                                                                     * Sampler\n                                                                                                                                                                                                     * @module lib/sampler.js;\n                                                                                                                                                                                                     */\n\nvar output = void 0;\nvar ready = void 0;\nvar current = \"\";\nvar samples = {};\n\nvar player_count = 12;\n\nfunction load(out, readyCallback) {\n  output = out;\n  ready = readyCallback;\n  document.body.addEventListener(\"dragover\", dragOver);\n  document.body.addEventListener(\"drop\", drop);\n}\n\n/**\n * Drag and drop\n */\nfunction dragOver(event) {\n  event.preventDefault();\n}\nfunction drop(event) {\n  event.preventDefault();\n  var files = event.dataTransfer.items ? [].concat(_toConsumableArray(event.dataTransfer.items)).filter(function (item) {\n    return item.kind === \"file\";\n  }).map(function (item) {\n    return item.getAsFile();\n  }) : [].concat(_toConsumableArray(event.dataTransfer.files));\n\n  var file = files[0];\n  var reader = new FileReader();\n\n  reader.addEventListener(\"load\", function () {\n    return loadSampleFromFile(file, reader.result);\n  }, false);\n\n  if (file) {\n    reader.readAsDataURL(file);\n  }\n}\n\nfunction loadSampleFromFile(file, url) {\n  var name = file.name;\n\n  current = name;\n\n  var sample = samples[name] = samples[name] || {};\n  sample.root = 440;\n  sample.players = [];\n  sample.index = -1;\n  for (var i = 0; i < player_count; i++) {\n    var player = new _tone2.default.Player({\n      url: url,\n      retrigger: true,\n      playbackRate: 1\n    });\n    player.name = name;\n    player.connect(output);\n    sample.players.push(player);\n  }\n  console.log(\"+ Sampler:\", name, \"(\" + sample.players.length + \" voices)\");\n  ready();\n}\n\n/**\n * Player\n */\nvar last = 440;\n\nfunction play(freq) {\n  last = freq;\n  var sample = samples[current];\n  sample.index = (sample.index + 1) % sample.players.length;\n  var player = sample.players[sample.index];\n  player.playbackRate = freq / sample.root;\n  player.start();\n}\n\nfunction pause() {\n  // no-op\n}\n\nexports.default = { load: load, play: play, pause: pause };\n\n// for help tuning\n\nfunction keydown(e) {\n  // console.log(e.keyCode)\n  if (e.metaKey && last && current) {\n    var sample = samples[current];\n    var step = e.shiftKey ? e.ctrlKey ? 0.1 : 1 : 10;\n    switch (e.keyCode) {\n      case 38:\n        // up\n        e.preventDefault();\n        sample.root -= step;\n        play(last);\n        break;\n      case 40:\n        // down\n        e.preventDefault();\n        sample.root += step;\n        play(last);\n        break;\n    }\n  }\n}\nwindow.addEventListener(\"keydown\", keydown, true);\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./client/lib/sampler.js\n// module id = 16\n// module chunks = 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It provides \n\t\t *          a lot of methods and functionality to all classes that extend\n\t\t *          it. \n\t\t *  \n\t\t *  @constructor\n\t\t *  @alias Tone\n\t\t *  @param {number} [inputs=1] the number of input nodes\n\t\t *  @param {number} [outputs=1] the number of output nodes\n\t\t */\n\t    var Tone = function (inputs, outputs) {\n\t        /**\n\t\t\t *  the input node(s)\n\t\t\t *  @type {GainNode|Array}\n\t\t\t */\n\t        if (this.isUndef(inputs) || inputs === 1) {\n\t            this.input = this.context.createGain();\n\t        } else if (inputs > 1) {\n\t            this.input = new Array(inputs);\n\t        }\n\t        /**\n\t\t\t *  the output node(s)\n\t\t\t *  @type {GainNode|Array}\n\t\t\t */\n\t        if (this.isUndef(outputs) || outputs === 1) {\n\t            this.output = this.context.createGain();\n\t        } else if (outputs > 1) {\n\t            this.output = new Array(inputs);\n\t        }\n\t    };\n\t    /**\n\t\t *  Set the parameters at once. Either pass in an\n\t\t *  object mapping parameters to values, or to set a\n\t\t *  single parameter, by passing in a string and value.\n\t\t *  The last argument is an optional ramp time which \n\t\t *  will ramp any signal values to their destination value\n\t\t *  over the duration of the rampTime.\n\t\t *  @param {Object|string} params\n\t\t *  @param {number=} value\n\t\t *  @param {Time=} rampTime\n\t\t *  @returns {Tone} this\n\t\t *  @example\n\t\t * //set values using an object\n\t\t * filter.set({\n\t\t * \t\"frequency\" : 300,\n\t\t * \t\"type\" : highpass\n\t\t * });\n\t\t *  @example\n\t\t * filter.set(\"type\", \"highpass\");\n\t\t *  @example\n\t\t * //ramp to the value 220 over 3 seconds. \n\t\t * oscillator.set({\n\t\t * \t\"frequency\" : 220\n\t\t * }, 3);\n\t\t */\n\t    Tone.prototype.set = function (params, value, rampTime) {\n\t        if (this.isObject(params)) {\n\t            rampTime = value;\n\t        } else if (this.isString(params)) {\n\t            var tmpObj = {};\n\t            tmpObj[params] = value;\n\t            params = tmpObj;\n\t        }\n\t        paramLoop:\n\t            for (var attr in params) {\n\t                value = params[attr];\n\t                var parent = this;\n\t                if (attr.indexOf('.') !== -1) {\n\t                    var attrSplit = attr.split('.');\n\t                    for (var i = 0; i < attrSplit.length - 1; i++) {\n\t                        parent = parent[attrSplit[i]];\n\t                        if (parent instanceof Tone) {\n\t                            attrSplit.splice(0, i + 1);\n\t                            var innerParam = attrSplit.join('.');\n\t                            parent.set(innerParam, value);\n\t                            continue paramLoop;\n\t                        }\n\t                    }\n\t                    attr = attrSplit[attrSplit.length - 1];\n\t                }\n\t                var param = parent[attr];\n\t                if (this.isUndef(param)) {\n\t                    continue;\n\t                }\n\t                if (Tone.Signal && param instanceof Tone.Signal || Tone.Param && param instanceof Tone.Param) {\n\t                    if (param.value !== value) {\n\t                        if (this.isUndef(rampTime)) {\n\t                            param.value = value;\n\t                        } else {\n\t                            param.rampTo(value, rampTime);\n\t                        }\n\t                    }\n\t                } else if (param instanceof AudioParam) {\n\t                    if (param.value !== value) {\n\t                        param.value = value;\n\t                    }\n\t                } else if (param instanceof Tone) {\n\t                    param.set(value);\n\t                } else if (param !== value) {\n\t                    parent[attr] = value;\n\t                }\n\t            }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Get the object's attributes. Given no arguments get\n\t\t *  will return all available object properties and their corresponding\n\t\t *  values. Pass in a single attribute to retrieve or an array\n\t\t *  of attributes. The attribute strings can also include a \".\"\n\t\t *  to access deeper properties.\n\t\t *  @example\n\t\t * osc.get();\n\t\t * //returns {\"type\" : \"sine\", \"frequency\" : 440, ...etc}\n\t\t *  @example\n\t\t * osc.get(\"type\");\n\t\t * //returns { \"type\" : \"sine\"}\n\t\t * @example\n\t\t * //use dot notation to access deep properties\n\t\t * synth.get([\"envelope.attack\", \"envelope.release\"]);\n\t\t * //returns {\"envelope\" : {\"attack\" : 0.2, \"release\" : 0.4}}\n\t\t *  @param {Array=|string|undefined} params the parameters to get, otherwise will return \n\t\t *  \t\t\t\t\t                  all available.\n\t\t *  @returns {Object}\n\t\t */\n\t    Tone.prototype.get = function (params) {\n\t        if (this.isUndef(params)) {\n\t            params = this._collectDefaults(this.constructor);\n\t        } else if (this.isString(params)) {\n\t            params = [params];\n\t        }\n\t        var ret = {};\n\t        for (var i = 0; i < params.length; i++) {\n\t            var attr = params[i];\n\t            var parent = this;\n\t            var subRet = ret;\n\t            if (attr.indexOf('.') !== -1) {\n\t                var attrSplit = attr.split('.');\n\t                for (var j = 0; j < attrSplit.length - 1; j++) {\n\t                    var subAttr = attrSplit[j];\n\t                    subRet[subAttr] = subRet[subAttr] || {};\n\t                    subRet = subRet[subAttr];\n\t                    parent = parent[subAttr];\n\t                }\n\t                attr = attrSplit[attrSplit.length - 1];\n\t            }\n\t            var param = parent[attr];\n\t            if (this.isObject(params[attr])) {\n\t                subRet[attr] = param.get();\n\t            } else if (Tone.Signal && param instanceof Tone.Signal) {\n\t                subRet[attr] = param.value;\n\t            } else if (Tone.Param && param instanceof Tone.Param) {\n\t                subRet[attr] = param.value;\n\t            } else if (param instanceof AudioParam) {\n\t                subRet[attr] = param.value;\n\t            } else if (param instanceof Tone) {\n\t                subRet[attr] = param.get();\n\t            } else if (!this.isFunction(param) && !this.isUndef(param)) {\n\t                subRet[attr] = param;\n\t            }\n\t        }\n\t        return ret;\n\t    };\n\t    /**\n\t\t *  collect all of the default attributes in one\n\t\t *  @private\n\t\t *  @param {function} constr the constructor to find the defaults from\n\t\t *  @return {Array} all of the attributes which belong to the class\n\t\t */\n\t    Tone.prototype._collectDefaults = function (constr) {\n\t        var ret = [];\n\t        if (!this.isUndef(constr.defaults)) {\n\t            ret = Object.keys(constr.defaults);\n\t        }\n\t        if (!this.isUndef(constr._super)) {\n\t            var superDefs = this._collectDefaults(constr._super);\n\t            //filter out repeats\n\t            for (var i = 0; i < superDefs.length; i++) {\n\t                if (ret.indexOf(superDefs[i]) === -1) {\n\t                    ret.push(superDefs[i]);\n\t                }\n\t            }\n\t        }\n\t        return ret;\n\t    };\n\t    /**\n\t\t *  @returns {string} returns the name of the class as a string\n\t\t */\n\t    Tone.prototype.toString = function () {\n\t        for (var className in Tone) {\n\t            var isLetter = className[0].match(/^[A-Z]$/);\n\t            var sameConstructor = Tone[className] === this.constructor;\n\t            if (this.isFunction(Tone[className]) && isLetter && sameConstructor) {\n\t                return className;\n\t            }\n\t        }\n\t        return 'Tone';\n\t    };\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    //\tCLASS VARS\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    /**\n\t\t *  The number of inputs feeding into the AudioNode. \n\t\t *  For source nodes, this will be 0.\n\t\t *  @memberOf Tone#\n\t\t *  @name numberOfInputs\n\t\t *  @readOnly\n\t\t */\n\t    Object.defineProperty(Tone.prototype, 'numberOfInputs', {\n\t        get: function () {\n\t            if (this.input) {\n\t                if (this.isArray(this.input)) {\n\t                    return this.input.length;\n\t                } else {\n\t                    return 1;\n\t                }\n\t            } else {\n\t                return 0;\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t *  The number of outputs coming out of the AudioNode. \n\t\t *  For source nodes, this will be 0.\n\t\t *  @memberOf Tone#\n\t\t *  @name numberOfInputs\n\t\t *  @readOnly\n\t\t */\n\t    Object.defineProperty(Tone.prototype, 'numberOfOutputs', {\n\t        get: function () {\n\t            if (this.output) {\n\t                if (this.isArray(this.output)) {\n\t                    return this.output.length;\n\t                } else {\n\t                    return 1;\n\t                }\n\t            } else {\n\t                return 0;\n\t            }\n\t        }\n\t    });\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    //\tCONNECTIONS\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    /**\n\t\t *  disconnect and dispose\n\t\t *  @returns {Tone} this\n\t\t */\n\t    Tone.prototype.dispose = function () {\n\t        if (!this.isUndef(this.input)) {\n\t            if (this.input instanceof AudioNode) {\n\t                this.input.disconnect();\n\t            }\n\t            this.input = null;\n\t        }\n\t        if (!this.isUndef(this.output)) {\n\t            if (this.output instanceof AudioNode) {\n\t                this.output.disconnect();\n\t            }\n\t            this.output = null;\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  connect the output of a ToneNode to an AudioParam, AudioNode, or ToneNode\n\t\t *  @param  {Tone | AudioParam | AudioNode} unit \n\t\t *  @param {number} [outputNum=0] optionally which output to connect from\n\t\t *  @param {number} [inputNum=0] optionally which input to connect to\n\t\t *  @returns {Tone} this\n\t\t */\n\t    Tone.prototype.connect = function (unit, outputNum, inputNum) {\n\t        if (Array.isArray(this.output)) {\n\t            outputNum = this.defaultArg(outputNum, 0);\n\t            this.output[outputNum].connect(unit, 0, inputNum);\n\t        } else {\n\t            this.output.connect(unit, outputNum, inputNum);\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  disconnect the output\n\t\t *  @param {Number|AudioNode} output Either the output index to disconnect\n\t\t *                                   if the output is an array, or the\n\t\t *                                   node to disconnect from.\n\t\t *  @returns {Tone} this\n\t\t */\n\t    Tone.prototype.disconnect = function (destination, outputNum, inputNum) {\n\t        if (this.isArray(this.output)) {\n\t            if (this.isNumber(destination)) {\n\t                this.output[destination].disconnect();\n\t            } else {\n\t                outputNum = this.defaultArg(outputNum, 0);\n\t                this.output[outputNum].disconnect(destination, 0, inputNum);\n\t            }\n\t        } else {\n\t            this.output.disconnect.apply(this.output, arguments);\n\t        }\n\t    };\n\t    /**\n\t\t *  connect together all of the arguments in series\n\t\t *  @param {...AudioParam|Tone|AudioNode} nodes\n\t\t *  @returns {Tone} this\n\t\t */\n\t    Tone.prototype.connectSeries = function () {\n\t        if (arguments.length > 1) {\n\t            var currentUnit = arguments[0];\n\t            for (var i = 1; i < arguments.length; i++) {\n\t                var toUnit = arguments[i];\n\t                currentUnit.connect(toUnit);\n\t                currentUnit = toUnit;\n\t            }\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Connect the output of this node to the rest of the nodes in series.\n\t\t *  @example\n\t\t *  //connect a node to an effect, panVol and then to the master output\n\t\t *  node.chain(effect, panVol, Tone.Master);\n\t\t *  @param {...AudioParam|Tone|AudioNode} nodes\n\t\t *  @returns {Tone} this\n\t\t */\n\t    Tone.prototype.chain = function () {\n\t        if (arguments.length > 0) {\n\t            var currentUnit = this;\n\t            for (var i = 0; i < arguments.length; i++) {\n\t                var toUnit = arguments[i];\n\t                currentUnit.connect(toUnit);\n\t                currentUnit = toUnit;\n\t            }\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  connect the output of this node to the rest of the nodes in parallel.\n\t\t *  @param {...AudioParam|Tone|AudioNode} nodes\n\t\t *  @returns {Tone} this\n\t\t */\n\t    Tone.prototype.fan = function () {\n\t        if (arguments.length > 0) {\n\t            for (var i = 0; i < arguments.length; i++) {\n\t                this.connect(arguments[i]);\n\t            }\n\t        }\n\t        return this;\n\t    };\n\t    //give native nodes chain and fan methods\n\t    AudioNode.prototype.chain = Tone.prototype.chain;\n\t    AudioNode.prototype.fan = Tone.prototype.fan;\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    //\tUTILITIES / HELPERS / MATHS\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    /**\n\t\t *  If the `given` parameter is undefined, use the `fallback`. \n\t\t *  If both `given` and `fallback` are object literals, it will\n\t\t *  return a deep copy which includes all of the parameters from both \n\t\t *  objects. If a parameter is undefined in given, it will return\n\t\t *  the fallback property. \n\t\t *  <br><br>\n\t\t *  WARNING: if object is self referential, it will go into an an \n\t\t *  infinite recursive loop.\n\t\t *  \n\t\t *  @param  {*} given    \n\t\t *  @param  {*} fallback \n\t\t *  @return {*}          \n\t\t */\n\t    Tone.prototype.defaultArg = function (given, fallback) {\n\t        if (this.isObject(given) && this.isObject(fallback)) {\n\t            var ret = {};\n\t            //make a deep copy of the given object\n\t            for (var givenProp in given) {\n\t                ret[givenProp] = this.defaultArg(fallback[givenProp], given[givenProp]);\n\t            }\n\t            for (var fallbackProp in fallback) {\n\t                ret[fallbackProp] = this.defaultArg(given[fallbackProp], fallback[fallbackProp]);\n\t            }\n\t            return ret;\n\t        } else {\n\t            return this.isUndef(given) ? fallback : given;\n\t        }\n\t    };\n\t    /**\n\t\t *  returns the args as an options object with given arguments\n\t\t *  mapped to the names provided. \n\t\t *\n\t\t *  if the args given is an array containing only one object, it is assumed\n\t\t *  that that's already the options object and will just return it. \n\t\t *  \n\t\t *  @param  {Array} values  the 'arguments' object of the function\n\t\t *  @param  {Array} keys the names of the arguments as they\n\t\t *                                 should appear in the options object\n\t\t *  @param {Object=} defaults optional defaults to mixin to the returned \n\t\t *                            options object                              \n\t\t *  @return {Object}       the options object with the names mapped to the arguments\n\t\t */\n\t    Tone.prototype.optionsObject = function (values, keys, defaults) {\n\t        var options = {};\n\t        if (values.length === 1 && this.isObject(values[0])) {\n\t            options = values[0];\n\t        } else {\n\t            for (var i = 0; i < keys.length; i++) {\n\t                options[keys[i]] = values[i];\n\t            }\n\t        }\n\t        if (!this.isUndef(defaults)) {\n\t            return this.defaultArg(options, defaults);\n\t        } else {\n\t            return options;\n\t        }\n\t    };\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    // TYPE CHECKING\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    /**\n\t\t *  test if the arg is undefined\n\t\t *  @param {*} arg the argument to test\n\t\t *  @returns {boolean} true if the arg is undefined\n\t\t *  @function\n\t\t */\n\t    Tone.prototype.isUndef = function (val) {\n\t        return typeof val === 'undefined';\n\t    };\n\t    /**\n\t\t *  test if the arg is a function\n\t\t *  @param {*} arg the argument to test\n\t\t *  @returns {boolean} true if the arg is a function\n\t\t *  @function\n\t\t */\n\t    Tone.prototype.isFunction = function (val) {\n\t        return typeof val === 'function';\n\t    };\n\t    /**\n\t\t *  Test if the argument is a number.\n\t\t *  @param {*} arg the argument to test\n\t\t *  @returns {boolean} true if the arg is a number\n\t\t */\n\t    Tone.prototype.isNumber = function (arg) {\n\t        return typeof arg === 'number';\n\t    };\n\t    /**\n\t\t *  Test if the given argument is an object literal (i.e. `{}`);\n\t\t *  @param {*} arg the argument to test\n\t\t *  @returns {boolean} true if the arg is an object literal.\n\t\t */\n\t    Tone.prototype.isObject = function (arg) {\n\t        return Object.prototype.toString.call(arg) === '[object Object]' && arg.constructor === Object;\n\t    };\n\t    /**\n\t\t *  Test if the argument is a boolean.\n\t\t *  @param {*} arg the argument to test\n\t\t *  @returns {boolean} true if the arg is a boolean\n\t\t */\n\t    Tone.prototype.isBoolean = function (arg) {\n\t        return typeof arg === 'boolean';\n\t    };\n\t    /**\n\t\t *  Test if the argument is an Array\n\t\t *  @param {*} arg the argument to test\n\t\t *  @returns {boolean} true if the arg is an array\n\t\t */\n\t    Tone.prototype.isArray = function (arg) {\n\t        return Array.isArray(arg);\n\t    };\n\t    /**\n\t\t *  Test if the argument is a string.\n\t\t *  @param {*} arg the argument to test\n\t\t *  @returns {boolean} true if the arg is a string\n\t\t */\n\t    Tone.prototype.isString = function (arg) {\n\t        return typeof arg === 'string';\n\t    };\n\t    /**\n\t\t *  An empty function.\n\t\t *  @static\n\t\t */\n\t    Tone.noOp = function () {\n\t    };\n\t    /**\n\t\t *  Make the property not writable. Internal use only. \n\t\t *  @private\n\t\t *  @param  {string}  property  the property to make not writable\n\t\t */\n\t    Tone.prototype._readOnly = function (property) {\n\t        if (Array.isArray(property)) {\n\t            for (var i = 0; i < property.length; i++) {\n\t                this._readOnly(property[i]);\n\t            }\n\t        } else {\n\t            Object.defineProperty(this, property, {\n\t                writable: false,\n\t                enumerable: true\n\t            });\n\t        }\n\t    };\n\t    /**\n\t\t *  Make an attribute writeable. Interal use only. \n\t\t *  @private\n\t\t *  @param  {string}  property  the property to make writable\n\t\t */\n\t    Tone.prototype._writable = function (property) {\n\t        if (Array.isArray(property)) {\n\t            for (var i = 0; i < property.length; i++) {\n\t                this._writable(property[i]);\n\t            }\n\t        } else {\n\t            Object.defineProperty(this, property, { writable: true });\n\t        }\n\t    };\n\t    /**\n\t\t * Possible play states. \n\t\t * @enum {string}\n\t\t */\n\t    Tone.State = {\n\t        Started: 'started',\n\t        Stopped: 'stopped',\n\t        Paused: 'paused'\n\t    };\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    // CONVERSIONS\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    /**\n\t\t *  Equal power gain scale. Good for cross-fading.\n\t\t *  @param  {NormalRange} percent (0-1)\n\t\t *  @return {Number}         output gain (0-1)\n\t\t */\n\t    Tone.prototype.equalPowerScale = function (percent) {\n\t        var piFactor = 0.5 * Math.PI;\n\t        return Math.sin(percent * piFactor);\n\t    };\n\t    /**\n\t\t *  Convert decibels into gain.\n\t\t *  @param  {Decibels} db\n\t\t *  @return {Number}   \n\t\t */\n\t    Tone.prototype.dbToGain = function (db) {\n\t        return Math.pow(2, db / 6);\n\t    };\n\t    /**\n\t\t *  Convert gain to decibels.\n\t\t *  @param  {Number} gain (0-1)\n\t\t *  @return {Decibels}   \n\t\t */\n\t    Tone.prototype.gainToDb = function (gain) {\n\t        return 20 * (Math.log(gain) / Math.LN10);\n\t    };\n\t    /**\n\t\t *  Convert an interval (in semitones) to a frequency ratio.\n\t\t *  @param  {Interval} interval the number of semitones above the base note\n\t\t *  @return {number}          the frequency ratio\n\t\t *  @example\n\t\t * tone.intervalToFrequencyRatio(0); // 1\n\t\t * tone.intervalToFrequencyRatio(12); // 2\n\t\t * tone.intervalToFrequencyRatio(-12); // 0.5\n\t\t */\n\t    Tone.prototype.intervalToFrequencyRatio = function (interval) {\n\t        return Math.pow(2, interval / 12);\n\t    };\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    //\tTIMING\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    /**\n\t\t *  Return the current time of the AudioContext clock.\n\t\t *  @return {Number} the currentTime from the AudioContext\n\t\t */\n\t    Tone.prototype.now = function () {\n\t        return Tone.context.now();\n\t    };\n\t    /**\n\t\t *  Return the current time of the AudioContext clock.\n\t\t *  @return {Number} the currentTime from the AudioContext\n\t\t *  @static\n\t\t */\n\t    Tone.now = function () {\n\t        return Tone.context.now();\n\t    };\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    //\tINHERITANCE\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    /**\n\t\t *  have a child inherit all of Tone's (or a parent's) prototype\n\t\t *  to inherit the parent's properties, make sure to call \n\t\t *  Parent.call(this) in the child's constructor\n\t\t *\n\t\t *  based on closure library's inherit function\n\t\t *\n\t\t *  @static\n\t\t *  @param  {function} \tchild  \n\t\t *  @param  {function=} parent (optional) parent to inherit from\n\t\t *                             if no parent is supplied, the child\n\t\t *                             will inherit from Tone\n\t\t */\n\t    Tone.extend = function (child, parent) {\n\t        if (Tone.prototype.isUndef(parent)) {\n\t            parent = Tone;\n\t        }\n\t        function TempConstructor() {\n\t        }\n\t        TempConstructor.prototype = parent.prototype;\n\t        child.prototype = new TempConstructor();\n\t        /** @override */\n\t        child.prototype.constructor = child;\n\t        child._super = parent;\n\t    };\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    //\tCONTEXT\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    /**\n\t\t *  The private audio context shared by all Tone Nodes. \n\t\t *  @private\n\t\t *  @type {Tone.Context|undefined}\n\t\t */\n\t    var audioContext;\n\t    /**\n\t\t *  A static pointer to the audio context accessible as Tone.context. \n\t\t *  @type {Tone.Context}\n\t\t *  @name context\n\t\t *  @memberOf Tone\n\t\t */\n\t    Object.defineProperty(Tone, 'context', {\n\t        get: function () {\n\t            return audioContext;\n\t        },\n\t        set: function (context) {\n\t            if (Tone.Context && context instanceof Tone.Context) {\n\t                audioContext = context;\n\t            } else {\n\t                audioContext = new Tone.Context(context);\n\t            }\n\t            //initialize the new audio context\n\t            if (Tone.Context) {\n\t                Tone.Context.emit('init', audioContext);\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t *  The AudioContext\n\t\t *  @type {Tone.Context}\n\t\t *  @name context\n\t\t *  @memberOf Tone#\n\t\t *  @readOnly\n\t\t */\n\t    Object.defineProperty(Tone.prototype, 'context', {\n\t        get: function () {\n\t            return Tone.context;\n\t        }\n\t    });\n\t    /**\n\t\t *  Tone automatically creates a context on init, but if you are working\n\t\t *  with other libraries which also create an AudioContext, it can be\n\t\t *  useful to set your own. If you are going to set your own context, \n\t\t *  be sure to do it at the start of your code, before creating any objects.\n\t\t *  @static\n\t\t *  @param {AudioContext} ctx The new audio context to set\n\t\t */\n\t    Tone.setContext = function (ctx) {\n\t        Tone.context = ctx;\n\t    };\n\t    /**\n\t\t *  The number of seconds of 1 processing block (128 samples)\n\t\t *  @type {Number}\n\t\t *  @name blockTime\n\t\t *  @memberOf Tone#\n\t\t *  @readOnly\n\t\t */\n\t    Object.defineProperty(Tone.prototype, 'blockTime', {\n\t        get: function () {\n\t            return 128 / this.context.sampleRate;\n\t        }\n\t    });\n\t    /**\n\t\t *  The duration in seconds of one sample.\n\t\t *  @type {Number}\n\t\t *  @name sampleTime\n\t\t *  @memberOf Tone#\n\t\t *  @readOnly\n\t\t */\n\t    Object.defineProperty(Tone.prototype, 'sampleTime', {\n\t        get: function () {\n\t            return 1 / this.context.sampleRate;\n\t        }\n\t    });\n\t    /**\n\t\t *  Whether or not all the technologies that Tone.js relies on are supported by the current browser. \n\t\t *  @type {Boolean}\n\t\t *  @name supported\n\t\t *  @memberOf Tone\n\t\t *  @readOnly\n\t\t */\n\t    Object.defineProperty(Tone, 'supported', {\n\t        get: function () {\n\t            var hasAudioContext = window.hasOwnProperty('AudioContext') || window.hasOwnProperty('webkitAudioContext');\n\t            var hasPromises = window.hasOwnProperty('Promise');\n\t            var hasWorkers = window.hasOwnProperty('Worker');\n\t            return hasAudioContext && hasPromises && hasWorkers;\n\t        }\n\t    });\n\t    Tone.version = 'r10';\n\t    // allow optional silencing of this log\n\t    if (!window.TONE_SILENCE_VERSION_LOGGING) {\n\t        console.log('%c * Tone.js ' + Tone.version + ' * ', 'background: #000; color: #fff');\n\t    }\n\t    return Tone;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  Base class for all Signals. Used Internally. \n\t\t *\n\t\t *  @constructor\n\t\t *  @extends {Tone}\n\t\t */\n\t    Tone.SignalBase = function () {\n\t    };\n\t    Tone.extend(Tone.SignalBase);\n\t    /**\n\t\t *  When signals connect to other signals or AudioParams, \n\t\t *  they take over the output value of that signal or AudioParam. \n\t\t *  For all other nodes, the behavior is the same as a default <code>connect</code>. \n\t\t *\n\t\t *  @override\n\t\t *  @param {AudioParam|AudioNode|Tone.Signal|Tone} node \n\t\t *  @param {number} [outputNumber=0] The output number to connect from.\n\t\t *  @param {number} [inputNumber=0] The input number to connect to.\n\t\t *  @returns {Tone.SignalBase} this\n\t\t */\n\t    Tone.SignalBase.prototype.connect = function (node, outputNumber, inputNumber) {\n\t        //zero it out so that the signal can have full control\n\t        if (Tone.Signal && Tone.Signal === node.constructor || Tone.Param && Tone.Param === node.constructor || Tone.TimelineSignal && Tone.TimelineSignal === node.constructor) {\n\t            //cancel changes\n\t            node._param.cancelScheduledValues(0);\n\t            //reset the value\n\t            node._param.value = 0;\n\t            //mark the value as overridden\n\t            node.overridden = true;\n\t        } else if (node instanceof AudioParam) {\n\t            node.cancelScheduledValues(0);\n\t            node.value = 0;\n\t        }\n\t        Tone.prototype.connect.call(this, node, outputNumber, inputNumber);\n\t        return this;\n\t    };\n\t    return Tone.SignalBase;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Wraps the native Web Audio API \n\t\t *         [WaveShaperNode](http://webaudio.github.io/web-audio-api/#the-waveshapernode-interface).\n\t\t *\n\t\t *  @extends {Tone.SignalBase}\n\t\t *  @constructor\n\t\t *  @param {function|Array|Number} mapping The function used to define the values. \n\t\t *                                    The mapping function should take two arguments: \n\t\t *                                    the first is the value at the current position \n\t\t *                                    and the second is the array position. \n\t\t *                                    If the argument is an array, that array will be\n\t\t *                                    set as the wave shaping function. The input\n\t\t *                                    signal is an AudioRange [-1, 1] value and the output\n\t\t *                                    signal can take on any numerical values. \n\t\t *                                    \n\t\t *  @param {Number} [bufferLen=1024] The length of the WaveShaperNode buffer.\n\t\t *  @example\n\t\t * var timesTwo = new Tone.WaveShaper(function(val){\n\t\t * \treturn val * 2;\n\t\t * }, 2048);\n\t\t *  @example\n\t\t * //a waveshaper can also be constructed with an array of values\n\t\t * var invert = new Tone.WaveShaper([1, -1]);\n\t\t */\n\t    Tone.WaveShaper = function (mapping, bufferLen) {\n\t        /**\n\t\t\t *  the waveshaper\n\t\t\t *  @type {WaveShaperNode}\n\t\t\t *  @private\n\t\t\t */\n\t        this._shaper = this.input = this.output = this.context.createWaveShaper();\n\t        /**\n\t\t\t *  the waveshapers curve\n\t\t\t *  @type {Float32Array}\n\t\t\t *  @private\n\t\t\t */\n\t        this._curve = null;\n\t        if (Array.isArray(mapping)) {\n\t            this.curve = mapping;\n\t        } else if (isFinite(mapping) || this.isUndef(mapping)) {\n\t            this._curve = new Float32Array(this.defaultArg(mapping, 1024));\n\t        } else if (this.isFunction(mapping)) {\n\t            this._curve = new Float32Array(this.defaultArg(bufferLen, 1024));\n\t            this.setMap(mapping);\n\t        }\n\t    };\n\t    Tone.extend(Tone.WaveShaper, Tone.SignalBase);\n\t    /**\n\t\t *  Uses a mapping function to set the value of the curve. \n\t\t *  @param {function} mapping The function used to define the values. \n\t\t *                            The mapping function take two arguments: \n\t\t *                            the first is the value at the current position \n\t\t *                            which goes from -1 to 1 over the number of elements\n\t\t *                            in the curve array. The second argument is the array position. \n\t\t *  @returns {Tone.WaveShaper} this\n\t\t *  @example\n\t\t * //map the input signal from [-1, 1] to [0, 10]\n\t\t * shaper.setMap(function(val, index){\n\t\t * \treturn (val + 1) * 5;\n\t\t * })\n\t\t */\n\t    Tone.WaveShaper.prototype.setMap = function (mapping) {\n\t        for (var i = 0, len = this._curve.length; i < len; i++) {\n\t            var normalized = i / (len - 1) * 2 - 1;\n\t            this._curve[i] = mapping(normalized, i);\n\t        }\n\t        this._shaper.curve = this._curve;\n\t        return this;\n\t    };\n\t    /**\n\t\t * The array to set as the waveshaper curve. For linear curves\n\t\t * array length does not make much difference, but for complex curves\n\t\t * longer arrays will provide smoother interpolation. \n\t\t * @memberOf Tone.WaveShaper#\n\t\t * @type {Array}\n\t\t * @name curve\n\t\t */\n\t    Object.defineProperty(Tone.WaveShaper.prototype, 'curve', {\n\t        get: function () {\n\t            return this._shaper.curve;\n\t        },\n\t        set: function (mapping) {\n\t            this._curve = new Float32Array(mapping);\n\t            this._shaper.curve = this._curve;\n\t        }\n\t    });\n\t    /**\n\t\t * Specifies what type of oversampling (if any) should be used when \n\t\t * applying the shaping curve. Can either be \"none\", \"2x\" or \"4x\". \n\t\t * @memberOf Tone.WaveShaper#\n\t\t * @type {string}\n\t\t * @name oversample\n\t\t */\n\t    Object.defineProperty(Tone.WaveShaper.prototype, 'oversample', {\n\t        get: function () {\n\t            return this._shaper.oversample;\n\t        },\n\t        set: function (oversampling) {\n\t            if ([\n\t                    'none',\n\t                    '2x',\n\t                    '4x'\n\t                ].indexOf(oversampling) !== -1) {\n\t                this._shaper.oversample = oversampling;\n\t            } else {\n\t                throw new RangeError('Tone.WaveShaper: oversampling must be either \\'none\\', \\'2x\\', or \\'4x\\'');\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t *  Clean up.\n\t\t *  @returns {Tone.WaveShaper} this\n\t\t */\n\t    Tone.WaveShaper.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._shaper.disconnect();\n\t        this._shaper = null;\n\t        this._curve = null;\n\t        return this;\n\t    };\n\t    return Tone.WaveShaper;\n\t});\n\tModule(function (Tone) {\n\t    /**\n\t\t *  @class Tone.TimeBase is a flexible encoding of time\n\t\t *         which can be evaluated to and from a string.\n\t\t *         Parsing code modified from https://code.google.com/p/tapdigit/\n\t\t *         Copyright 2011 2012 Ariya Hidayat, New BSD License\n\t\t *  @extends {Tone}\n\t\t *  @param  {Time}  val    The time value as a number or string\n\t\t *  @param  {String=}  units  Unit values\n\t\t *  @example\n\t\t * Tone.TimeBase(4, \"n\")\n\t\t * Tone.TimeBase(2, \"t\")\n\t\t * Tone.TimeBase(\"2t\").add(\"1m\")\n\t\t * Tone.TimeBase(\"2t + 1m\");\n\t\t */\n\t    Tone.TimeBase = function (val, units) {\n\t        //allows it to be constructed with or without 'new'\n\t        if (this instanceof Tone.TimeBase) {\n\t            /**\n\t\t\t\t *  Any expressions parsed from the Time\n\t\t\t\t *  @type  {Array}\n\t\t\t\t *  @private\n\t\t\t\t */\n\t            this._expr = this._noOp;\n\t            if (val instanceof Tone.TimeBase) {\n\t                this.copy(val);\n\t            } else if (!this.isUndef(units) || this.isNumber(val)) {\n\t                //default units\n\t                units = this.defaultArg(units, this._defaultUnits);\n\t                var method = this._primaryExpressions[units].method;\n\t                this._expr = method.bind(this, val);\n\t            } else if (this.isString(val)) {\n\t                this.set(val);\n\t            } else if (this.isUndef(val)) {\n\t                //default expression\n\t                this._expr = this._defaultExpr();\n\t            }\n\t        } else {\n\t            return new Tone.TimeBase(val, units);\n\t        }\n\t    };\n\t    Tone.extend(Tone.TimeBase);\n\t    /**\n\t\t *  Repalce the current time value with the value\n\t\t *  given by the expression string.\n\t\t *  @param  {String}  exprString\n\t\t *  @return {Tone.TimeBase} this\n\t\t */\n\t    Tone.TimeBase.prototype.set = function (exprString) {\n\t        this._expr = this._parseExprString(exprString);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Return a clone of the TimeBase object.\n\t\t *  @return  {Tone.TimeBase} The new cloned Tone.TimeBase\n\t\t */\n\t    Tone.TimeBase.prototype.clone = function () {\n\t        var instance = new this.constructor();\n\t        instance.copy(this);\n\t        return instance;\n\t    };\n\t    /**\n\t\t *  Copies the value of time to this Time\n\t\t *  @param {Tone.TimeBase} time\n\t\t *  @return  {TimeBase}\n\t\t */\n\t    Tone.TimeBase.prototype.copy = function (time) {\n\t        var val = time._expr();\n\t        return this.set(val);\n\t    };\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    //\tABSTRACT SYNTAX TREE PARSER\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    /**\n\t\t *  All the primary expressions.\n\t\t *  @private\n\t\t *  @type  {Object}\n\t\t */\n\t    Tone.TimeBase.prototype._primaryExpressions = {\n\t        'n': {\n\t            regexp: /^(\\d+)n/i,\n\t            method: function (value) {\n\t                value = parseInt(value);\n\t                if (value === 1) {\n\t                    return this._beatsToUnits(this._timeSignature());\n\t                } else {\n\t                    return this._beatsToUnits(4 / value);\n\t                }\n\t            }\n\t        },\n\t        't': {\n\t            regexp: /^(\\d+)t/i,\n\t            method: function (value) {\n\t                value = parseInt(value);\n\t                return this._beatsToUnits(8 / (parseInt(value) * 3));\n\t            }\n\t        },\n\t        'm': {\n\t            regexp: /^(\\d+)m/i,\n\t            method: function (value) {\n\t                return this._beatsToUnits(parseInt(value) * this._timeSignature());\n\t            }\n\t        },\n\t        'i': {\n\t            regexp: /^(\\d+)i/i,\n\t            method: function (value) {\n\t                return this._ticksToUnits(parseInt(value));\n\t            }\n\t        },\n\t        'hz': {\n\t            regexp: /^(\\d+(?:\\.\\d+)?)hz/i,\n\t            method: function (value) {\n\t                return this._frequencyToUnits(parseFloat(value));\n\t            }\n\t        },\n\t        'tr': {\n\t            regexp: /^(\\d+(?:\\.\\d+)?):(\\d+(?:\\.\\d+)?):?(\\d+(?:\\.\\d+)?)?/,\n\t            method: function (m, q, s) {\n\t                var total = 0;\n\t                if (m && m !== '0') {\n\t                    total += this._beatsToUnits(this._timeSignature() * parseFloat(m));\n\t                }\n\t                if (q && q !== '0') {\n\t                    total += this._beatsToUnits(parseFloat(q));\n\t                }\n\t                if (s && s !== '0') {\n\t                    total += this._beatsToUnits(parseFloat(s) / 4);\n\t                }\n\t                return total;\n\t            }\n\t        },\n\t        's': {\n\t            regexp: /^(\\d+(?:\\.\\d+)?s)/,\n\t            method: function (value) {\n\t                return this._secondsToUnits(parseFloat(value));\n\t            }\n\t        },\n\t        'samples': {\n\t            regexp: /^(\\d+)samples/,\n\t            method: function (value) {\n\t                return parseInt(value) / this.context.sampleRate;\n\t            }\n\t        },\n\t        'default': {\n\t            regexp: /^(\\d+(?:\\.\\d+)?)/,\n\t            method: function (value) {\n\t                return this._primaryExpressions[this._defaultUnits].method.call(this, value);\n\t            }\n\t        }\n\t    };\n\t    /**\n\t\t *  All the binary expressions that TimeBase can accept.\n\t\t *  @private\n\t\t *  @type  {Object}\n\t\t */\n\t    Tone.TimeBase.prototype._binaryExpressions = {\n\t        '+': {\n\t            regexp: /^\\+/,\n\t            precedence: 2,\n\t            method: function (lh, rh) {\n\t                return lh() + rh();\n\t            }\n\t        },\n\t        '-': {\n\t            regexp: /^\\-/,\n\t            precedence: 2,\n\t            method: function (lh, rh) {\n\t                return lh() - rh();\n\t            }\n\t        },\n\t        '*': {\n\t            regexp: /^\\*/,\n\t            precedence: 1,\n\t            method: function (lh, rh) {\n\t                return lh() * rh();\n\t            }\n\t        },\n\t        '/': {\n\t            regexp: /^\\//,\n\t            precedence: 1,\n\t            method: function (lh, rh) {\n\t                return lh() / rh();\n\t            }\n\t        }\n\t    };\n\t    /**\n\t\t *  All the unary expressions.\n\t\t *  @private\n\t\t *  @type  {Object}\n\t\t */\n\t    Tone.TimeBase.prototype._unaryExpressions = {\n\t        'neg': {\n\t            regexp: /^\\-/,\n\t            method: function (lh) {\n\t                return -lh();\n\t            }\n\t        }\n\t    };\n\t    /**\n\t\t *  Syntactic glue which holds expressions together\n\t\t *  @private\n\t\t *  @type  {Object}\n\t\t */\n\t    Tone.TimeBase.prototype._syntaxGlue = {\n\t        '(': { regexp: /^\\(/ },\n\t        ')': { regexp: /^\\)/ }\n\t    };\n\t    /**\n\t\t *  tokenize the expression based on the Expressions object\n\t\t *  @param   {string} expr \n\t\t *  @return  {Object}      returns two methods on the tokenized list, next and peek\n\t\t *  @private\n\t\t */\n\t    Tone.TimeBase.prototype._tokenize = function (expr) {\n\t        var position = -1;\n\t        var tokens = [];\n\t        while (expr.length > 0) {\n\t            expr = expr.trim();\n\t            var token = getNextToken(expr, this);\n\t            tokens.push(token);\n\t            expr = expr.substr(token.value.length);\n\t        }\n\t        function getNextToken(expr, context) {\n\t            var expressions = [\n\t                '_binaryExpressions',\n\t                '_unaryExpressions',\n\t                '_primaryExpressions',\n\t                '_syntaxGlue'\n\t            ];\n\t            for (var i = 0; i < expressions.length; i++) {\n\t                var group = context[expressions[i]];\n\t                for (var opName in group) {\n\t                    var op = group[opName];\n\t                    var reg = op.regexp;\n\t                    var match = expr.match(reg);\n\t                    if (match !== null) {\n\t                        return {\n\t                            method: op.method,\n\t                            precedence: op.precedence,\n\t                            regexp: op.regexp,\n\t                            value: match[0]\n\t                        };\n\t                    }\n\t                }\n\t            }\n\t            throw new SyntaxError('Tone.TimeBase: Unexpected token ' + expr);\n\t        }\n\t        return {\n\t            next: function () {\n\t                return tokens[++position];\n\t            },\n\t            peek: function () {\n\t                return tokens[position + 1];\n\t            }\n\t        };\n\t    };\n\t    /**\n\t\t *  Given a token, find the value within the groupName\n\t\t *  @param {Object} token\n\t\t *  @param {String} groupName\n\t\t *  @param {Number} precedence\n\t\t *  @private\n\t\t */\n\t    Tone.TimeBase.prototype._matchGroup = function (token, group, prec) {\n\t        var ret = false;\n\t        if (!this.isUndef(token)) {\n\t            for (var opName in group) {\n\t                var op = group[opName];\n\t                if (op.regexp.test(token.value)) {\n\t                    if (!this.isUndef(prec)) {\n\t                        if (op.precedence === prec) {\n\t                            return op;\n\t                        }\n\t                    } else {\n\t                        return op;\n\t                    }\n\t                }\n\t            }\n\t        }\n\t        return ret;\n\t    };\n\t    /**\n\t\t *  Match a binary expression given the token and the precedence\n\t\t *  @param {Lexer} lexer\n\t\t *  @param {Number} precedence\n\t\t *  @private\n\t\t */\n\t    Tone.TimeBase.prototype._parseBinary = function (lexer, precedence) {\n\t        if (this.isUndef(precedence)) {\n\t            precedence = 2;\n\t        }\n\t        var expr;\n\t        if (precedence < 0) {\n\t            expr = this._parseUnary(lexer);\n\t        } else {\n\t            expr = this._parseBinary(lexer, precedence - 1);\n\t        }\n\t        var token = lexer.peek();\n\t        while (token && this._matchGroup(token, this._binaryExpressions, precedence)) {\n\t            token = lexer.next();\n\t            expr = token.method.bind(this, expr, this._parseBinary(lexer, precedence - 1));\n\t            token = lexer.peek();\n\t        }\n\t        return expr;\n\t    };\n\t    /**\n\t\t *  Match a unary expression.\n\t\t *  @param {Lexer} lexer\n\t\t *  @private\n\t\t */\n\t    Tone.TimeBase.prototype._parseUnary = function (lexer) {\n\t        var token, expr;\n\t        token = lexer.peek();\n\t        var op = this._matchGroup(token, this._unaryExpressions);\n\t        if (op) {\n\t            token = lexer.next();\n\t            expr = this._parseUnary(lexer);\n\t            return op.method.bind(this, expr);\n\t        }\n\t        return this._parsePrimary(lexer);\n\t    };\n\t    /**\n\t\t *  Match a primary expression (a value).\n\t\t *  @param {Lexer} lexer\n\t\t *  @private\n\t\t */\n\t    Tone.TimeBase.prototype._parsePrimary = function (lexer) {\n\t        var token, expr;\n\t        token = lexer.peek();\n\t        if (this.isUndef(token)) {\n\t            throw new SyntaxError('Tone.TimeBase: Unexpected end of expression');\n\t        }\n\t        if (this._matchGroup(token, this._primaryExpressions)) {\n\t            token = lexer.next();\n\t            var matching = token.value.match(token.regexp);\n\t            return token.method.bind(this, matching[1], matching[2], matching[3]);\n\t        }\n\t        if (token && token.value === '(') {\n\t            lexer.next();\n\t            expr = this._parseBinary(lexer);\n\t            token = lexer.next();\n\t            if (!(token && token.value === ')')) {\n\t                throw new SyntaxError('Expected )');\n\t            }\n\t            return expr;\n\t        }\n\t        throw new SyntaxError('Tone.TimeBase: Cannot process token ' + token.value);\n\t    };\n\t    /**\n\t\t *  Recursively parse the string expression into a syntax tree.\n\t\t *  @param   {string} expr \n\t\t *  @return  {Function} the bound method to be evaluated later\n\t\t *  @private\n\t\t */\n\t    Tone.TimeBase.prototype._parseExprString = function (exprString) {\n\t        if (!this.isString(exprString)) {\n\t            exprString = exprString.toString();\n\t        }\n\t        var lexer = this._tokenize(exprString);\n\t        var tree = this._parseBinary(lexer);\n\t        return tree;\n\t    };\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    //\tDEFAULTS\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    /**\n\t\t *  The initial expression value\n\t\t *  @return  {Number}  The initial value 0\n\t\t *  @private\n\t\t */\n\t    Tone.TimeBase.prototype._noOp = function () {\n\t        return 0;\n\t    };\n\t    /**\n\t\t *  The default expression value if no arguments are given\n\t\t *  @private\n\t\t */\n\t    Tone.TimeBase.prototype._defaultExpr = function () {\n\t        return this._noOp;\n\t    };\n\t    /**\n\t\t *  The default units if none are given.\n\t\t *  @private\n\t\t */\n\t    Tone.TimeBase.prototype._defaultUnits = 's';\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    //\tUNIT CONVERSIONS\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    /**\n\t\t *  Returns the value of a frequency in the current units\n\t\t *  @param {Frequency} freq\n\t\t *  @return  {Number}\n\t\t *  @private\n\t\t */\n\t    Tone.TimeBase.prototype._frequencyToUnits = function (freq) {\n\t        return 1 / freq;\n\t    };\n\t    /**\n\t\t *  Return the value of the beats in the current units\n\t\t *  @param {Number} beats\n\t\t *  @return  {Number}\n\t\t *  @private\n\t\t */\n\t    Tone.TimeBase.prototype._beatsToUnits = function (beats) {\n\t        return 60 / Tone.Transport.bpm.value * beats;\n\t    };\n\t    /**\n\t\t *  Returns the value of a second in the current units\n\t\t *  @param {Seconds} seconds\n\t\t *  @return  {Number}\n\t\t *  @private\n\t\t */\n\t    Tone.TimeBase.prototype._secondsToUnits = function (seconds) {\n\t        return seconds;\n\t    };\n\t    /**\n\t\t *  Returns the value of a tick in the current time units\n\t\t *  @param {Ticks} ticks\n\t\t *  @return  {Number}\n\t\t *  @private\n\t\t */\n\t    Tone.TimeBase.prototype._ticksToUnits = function (ticks) {\n\t        return ticks * (this._beatsToUnits(1) / Tone.Transport.PPQ);\n\t    };\n\t    /**\n\t\t *  Return the time signature.\n\t\t *  @return  {Number}\n\t\t *  @private\n\t\t */\n\t    Tone.TimeBase.prototype._timeSignature = function () {\n\t        return Tone.Transport.timeSignature;\n\t    };\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    //\tEXPRESSIONS\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    /**\n\t\t *  Push an expression onto the expression list\n\t\t *  @param  {Time}  val\n\t\t *  @param  {String}  type\n\t\t *  @param  {String}  units\n\t\t *  @return  {Tone.TimeBase} \n\t\t *  @private\n\t\t */\n\t    Tone.TimeBase.prototype._pushExpr = function (val, name, units) {\n\t        //create the expression\n\t        if (!(val instanceof Tone.TimeBase)) {\n\t            val = new this.constructor(val, units);\n\t        }\n\t        this._expr = this._binaryExpressions[name].method.bind(this, this._expr, val._expr);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Add to the current value.\n\t\t *  @param  {Time}  val    The value to add\n\t\t *  @param  {String=}  units  Optional units to use with the value.\n\t\t *  @return  {Tone.TimeBase}  this\n\t\t *  @example\n\t\t * Tone.TimeBase(\"2m\").add(\"1m\"); //\"3m\"\n\t\t */\n\t    Tone.TimeBase.prototype.add = function (val, units) {\n\t        return this._pushExpr(val, '+', units);\n\t    };\n\t    /**\n\t\t *  Subtract the value from the current time.\n\t\t *  @param  {Time}  val    The value to subtract\n\t\t *  @param  {String=}  units  Optional units to use with the value.\n\t\t *  @return  {Tone.TimeBase}  this\n\t\t *  @example\n\t\t * Tone.TimeBase(\"2m\").sub(\"1m\"); //\"1m\"\n\t\t */\n\t    Tone.TimeBase.prototype.sub = function (val, units) {\n\t        return this._pushExpr(val, '-', units);\n\t    };\n\t    /**\n\t\t *  Multiply the current value by the given time.\n\t\t *  @param  {Time}  val    The value to multiply\n\t\t *  @param  {String=}  units  Optional units to use with the value.\n\t\t *  @return  {Tone.TimeBase}  this\n\t\t *  @example\n\t\t * Tone.TimeBase(\"2m\").mult(\"2\"); //\"4m\"\n\t\t */\n\t    Tone.TimeBase.prototype.mult = function (val, units) {\n\t        return this._pushExpr(val, '*', units);\n\t    };\n\t    /**\n\t\t *  Divide the current value by the given time.\n\t\t *  @param  {Time}  val    The value to divide by\n\t\t *  @param  {String=}  units  Optional units to use with the value.\n\t\t *  @return  {Tone.TimeBase}  this\n\t\t *  @example\n\t\t * Tone.TimeBase(\"2m\").div(2); //\"1m\"\n\t\t */\n\t    Tone.TimeBase.prototype.div = function (val, units) {\n\t        return this._pushExpr(val, '/', units);\n\t    };\n\t    /**\n\t\t *  Evaluate the time value. Returns the time\n\t\t *  in seconds.\n\t\t *  @return  {Seconds} \n\t\t */\n\t    Tone.TimeBase.prototype.valueOf = function () {\n\t        return this._expr();\n\t    };\n\t    /**\n\t\t *  Clean up\n\t\t *  @return {Tone.TimeBase} this\n\t\t */\n\t    Tone.TimeBase.prototype.dispose = function () {\n\t        this._expr = null;\n\t    };\n\t    return Tone.TimeBase;\n\t});\n\tModule(function (Tone) {\n\t    /**\n\t\t *  @class Tone.Time is a primitive type for encoding Time values. \n\t\t *         Eventually all time values are evaluated to seconds\n\t\t *         using the `eval` method. Tone.Time can be constructed\n\t\t *         with or without the `new` keyword. Tone.Time can be passed\n\t\t *         into the parameter of any method which takes time as an argument. \n\t\t *  @constructor\n\t\t *  @extends {Tone.TimeBase}\n\t\t *  @param  {String|Number}  val    The time value.\n\t\t *  @param  {String=}  units  The units of the value.\n\t\t *  @example\n\t\t * var t = Tone.Time(\"4n\");//encodes a quarter note\n\t\t * t.mult(4); // multiply that value by 4\n\t\t * t.toNotation(); //returns \"1m\"\n\t\t */\n\t    Tone.Time = function (val, units) {\n\t        if (this instanceof Tone.Time) {\n\t            /**\n\t\t\t\t *  If the current clock time should\n\t\t\t\t *  be added to the output\n\t\t\t\t *  @type  {Boolean}\n\t\t\t\t *  @private\n\t\t\t\t */\n\t            this._plusNow = false;\n\t            Tone.TimeBase.call(this, val, units);\n\t        } else {\n\t            return new Tone.Time(val, units);\n\t        }\n\t    };\n\t    Tone.extend(Tone.Time, Tone.TimeBase);\n\t    //clone the expressions so that \n\t    //we can add more without modifying the original\n\t    Tone.Time.prototype._unaryExpressions = Object.create(Tone.TimeBase.prototype._unaryExpressions);\n\t    /*\n\t\t *  Adds an additional unary expression\n\t\t *  which quantizes values to the next subdivision\n\t\t *  @type {Object}\n\t\t *  @private\n\t\t */\n\t    Tone.Time.prototype._unaryExpressions.quantize = {\n\t        regexp: /^@/,\n\t        method: function (rh) {\n\t            return Tone.Transport.nextSubdivision(rh());\n\t        }\n\t    };\n\t    /*\n\t\t *  Adds an additional unary expression\n\t\t *  which adds the current clock time.\n\t\t *  @type {Object}\n\t\t *  @private\n\t\t */\n\t    Tone.Time.prototype._unaryExpressions.now = {\n\t        regexp: /^\\+/,\n\t        method: function (lh) {\n\t            this._plusNow = true;\n\t            return lh();\n\t        }\n\t    };\n\t    /**\n\t\t *  Quantize the time by the given subdivision. Optionally add a\n\t\t *  percentage which will move the time value towards the ideal\n\t\t *  quantized value by that percentage. \n\t\t *  @param  {Number|Time}  val    The subdivision to quantize to\n\t\t *  @param  {NormalRange}  [percent=1]  Move the time value\n\t\t *                                   towards the quantized value by\n\t\t *                                   a percentage.\n\t\t *  @return  {Tone.Time}  this\n\t\t *  @example\n\t\t * Tone.Time(21).quantize(2) //returns 22\n\t\t * Tone.Time(0.6).quantize(\"4n\", 0.5) //returns 0.55\n\t\t */\n\t    Tone.Time.prototype.quantize = function (subdiv, percent) {\n\t        percent = this.defaultArg(percent, 1);\n\t        this._expr = function (expr, subdivision, percent) {\n\t            expr = expr();\n\t            subdivision = subdivision.toSeconds();\n\t            var multiple = Math.round(expr / subdivision);\n\t            var ideal = multiple * subdivision;\n\t            var diff = ideal - expr;\n\t            return expr + diff * percent;\n\t        }.bind(this, this._expr, new this.constructor(subdiv), percent);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Adds the clock time to the time expression at the \n\t\t *  moment of evaluation. \n\t\t *  @return  {Tone.Time}  this\n\t\t */\n\t    Tone.Time.prototype.addNow = function () {\n\t        this._plusNow = true;\n\t        return this;\n\t    };\n\t    /**\n\t\t *  @override\n\t\t *  Override the default value return when no arguments are passed in.\n\t\t *  The default value is 'now'\n\t\t *  @private\n\t\t */\n\t    Tone.Time.prototype._defaultExpr = function () {\n\t        this._plusNow = true;\n\t        return this._noOp;\n\t    };\n\t    /**\n\t\t *  Copies the value of time to this Time\n\t\t *  @param {Tone.Time} time\n\t\t *  @return  {Time}\n\t\t */\n\t    Tone.Time.prototype.copy = function (time) {\n\t        Tone.TimeBase.prototype.copy.call(this, time);\n\t        this._plusNow = time._plusNow;\n\t        return this;\n\t    };\n\t    //CONVERSIONS//////////////////////////////////////////////////////////////\n\t    /**\n\t\t *  Convert a Time to Notation. Values will be thresholded to the nearest 128th note. \n\t\t *  @return {Notation} \n\t\t *  @example\n\t\t * //if the Transport is at 120bpm:\n\t\t * Tone.Time(2).toNotation();//returns \"1m\"\n\t\t */\n\t    Tone.Time.prototype.toNotation = function () {\n\t        var time = this.toSeconds();\n\t        var testNotations = [\n\t            '1m',\n\t            '2n',\n\t            '4n',\n\t            '8n',\n\t            '16n',\n\t            '32n',\n\t            '64n',\n\t            '128n'\n\t        ];\n\t        var retNotation = this._toNotationHelper(time, testNotations);\n\t        //try the same thing but with tripelets\n\t        var testTripletNotations = [\n\t            '1m',\n\t            '2n',\n\t            '2t',\n\t            '4n',\n\t            '4t',\n\t            '8n',\n\t            '8t',\n\t            '16n',\n\t            '16t',\n\t            '32n',\n\t            '32t',\n\t            '64n',\n\t            '64t',\n\t            '128n'\n\t        ];\n\t        var retTripletNotation = this._toNotationHelper(time, testTripletNotations);\n\t        //choose the simpler expression of the two\n\t        if (retTripletNotation.split('+').length < retNotation.split('+').length) {\n\t            return retTripletNotation;\n\t        } else {\n\t            return retNotation;\n\t        }\n\t    };\n\t    /**\n\t\t *  Helper method for Tone.toNotation\n\t\t *  @param {Number} units \n\t\t *  @param {Array} testNotations\n\t\t *  @return {String}\n\t\t *  @private\n\t\t */\n\t    Tone.Time.prototype._toNotationHelper = function (units, testNotations) {\n\t        //the threshold is the last value in the array\n\t        var threshold = this._notationToUnits(testNotations[testNotations.length - 1]);\n\t        var retNotation = '';\n\t        for (var i = 0; i < testNotations.length; i++) {\n\t            var notationTime = this._notationToUnits(testNotations[i]);\n\t            //account for floating point errors (i.e. round up if the value is 0.999999)\n\t            var multiple = units / notationTime;\n\t            var floatingPointError = 0.000001;\n\t            if (1 - multiple % 1 < floatingPointError) {\n\t                multiple += floatingPointError;\n\t            }\n\t            multiple = Math.floor(multiple);\n\t            if (multiple > 0) {\n\t                if (multiple === 1) {\n\t                    retNotation += testNotations[i];\n\t                } else {\n\t                    retNotation += multiple.toString() + '*' + testNotations[i];\n\t                }\n\t                units -= multiple * notationTime;\n\t                if (units < threshold) {\n\t                    break;\n\t                } else {\n\t                    retNotation += ' + ';\n\t                }\n\t            }\n\t        }\n\t        if (retNotation === '') {\n\t            retNotation = '0';\n\t        }\n\t        return retNotation;\n\t    };\n\t    /**\n\t\t *  Convert a notation value to the current units\n\t\t *  @param  {Notation}  notation \n\t\t *  @return  {Number} \n\t\t *  @private\n\t\t */\n\t    Tone.Time.prototype._notationToUnits = function (notation) {\n\t        var primaryExprs = this._primaryExpressions;\n\t        var notationExprs = [\n\t            primaryExprs.n,\n\t            primaryExprs.t,\n\t            primaryExprs.m\n\t        ];\n\t        for (var i = 0; i < notationExprs.length; i++) {\n\t            var expr = notationExprs[i];\n\t            var match = notation.match(expr.regexp);\n\t            if (match) {\n\t                return expr.method.call(this, match[1]);\n\t            }\n\t        }\n\t    };\n\t    /**\n\t\t *  Return the time encoded as Bars:Beats:Sixteenths.\n\t\t *  @return  {BarsBeatsSixteenths}\n\t\t */\n\t    Tone.Time.prototype.toBarsBeatsSixteenths = function () {\n\t        var quarterTime = this._beatsToUnits(1);\n\t        var quarters = this.toSeconds() / quarterTime;\n\t        var measures = Math.floor(quarters / this._timeSignature());\n\t        var sixteenths = quarters % 1 * 4;\n\t        quarters = Math.floor(quarters) % this._timeSignature();\n\t        sixteenths = sixteenths.toString();\n\t        if (sixteenths.length > 3) {\n\t            sixteenths = parseFloat(sixteenths).toFixed(3);\n\t        }\n\t        var progress = [\n\t            measures,\n\t            quarters,\n\t            sixteenths\n\t        ];\n\t        return progress.join(':');\n\t    };\n\t    /**\n\t\t *  Return the time in ticks.\n\t\t *  @return  {Ticks}\n\t\t */\n\t    Tone.Time.prototype.toTicks = function () {\n\t        var quarterTime = this._beatsToUnits(1);\n\t        var quarters = this.valueOf() / quarterTime;\n\t        return Math.floor(quarters * Tone.Transport.PPQ);\n\t    };\n\t    /**\n\t\t *  Return the time in samples\n\t\t *  @return  {Samples}  \n\t\t */\n\t    Tone.Time.prototype.toSamples = function () {\n\t        return this.toSeconds() * this.context.sampleRate;\n\t    };\n\t    /**\n\t\t *  Return the time as a frequency value\n\t\t *  @return  {Frequency} \n\t\t *  @example\n\t\t * Tone.Time(2).toFrequency(); //0.5\n\t\t */\n\t    Tone.Time.prototype.toFrequency = function () {\n\t        return 1 / this.toSeconds();\n\t    };\n\t    /**\n\t\t *  Return the time in seconds.\n\t\t *  @return  {Seconds} \n\t\t */\n\t    Tone.Time.prototype.toSeconds = function () {\n\t        return this.valueOf();\n\t    };\n\t    /**\n\t\t *  Return the time in milliseconds.\n\t\t *  @return  {Milliseconds} \n\t\t */\n\t    Tone.Time.prototype.toMilliseconds = function () {\n\t        return this.toSeconds() * 1000;\n\t    };\n\t    /**\n\t\t *  Return the time in seconds.\n\t\t *  @return  {Seconds} \n\t\t */\n\t    Tone.Time.prototype.valueOf = function () {\n\t        var val = this._expr();\n\t        return val + (this._plusNow ? this.now() : 0);\n\t    };\n\t    return Tone.Time;\n\t});\n\tModule(function (Tone) {\n\t    /**\n\t\t *  @class Tone.Frequency is a primitive type for encoding Frequency values. \n\t\t *         Eventually all time values are evaluated to hertz\n\t\t *         using the `eval` method. \n\t\t *  @constructor\n\t\t *  @extends {Tone.TimeBase}\n\t\t *  @param  {String|Number}  val    The time value.\n\t\t *  @param  {String=}  units  The units of the value.\n\t\t *  @example\n\t\t * Tone.Frequency(\"C3\") // 261\n\t\t * Tone.Frequency(38, \"midi\") //\n\t\t * Tone.Frequency(\"C3\").transpose(4);\n\t\t */\n\t    Tone.Frequency = function (val, units) {\n\t        if (this instanceof Tone.Frequency) {\n\t            Tone.TimeBase.call(this, val, units);\n\t        } else {\n\t            return new Tone.Frequency(val, units);\n\t        }\n\t    };\n\t    Tone.extend(Tone.Frequency, Tone.TimeBase);\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    //\tAUGMENT BASE EXPRESSIONS\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    //clone the expressions so that \n\t    //we can add more without modifying the original\n\t    Tone.Frequency.prototype._primaryExpressions = Object.create(Tone.TimeBase.prototype._primaryExpressions);\n\t    /*\n\t\t *  midi type primary expression\n\t\t *  @type {Object}\n\t\t *  @private\n\t\t */\n\t    Tone.Frequency.prototype._primaryExpressions.midi = {\n\t        regexp: /^(\\d+(?:\\.\\d+)?midi)/,\n\t        method: function (value) {\n\t            return this.midiToFrequency(value);\n\t        }\n\t    };\n\t    /*\n\t\t *  note type primary expression\n\t\t *  @type {Object}\n\t\t *  @private\n\t\t */\n\t    Tone.Frequency.prototype._primaryExpressions.note = {\n\t        regexp: /^([a-g]{1}(?:b|#|x|bb)?)(-?[0-9]+)/i,\n\t        method: function (pitch, octave) {\n\t            var index = noteToScaleIndex[pitch.toLowerCase()];\n\t            var noteNumber = index + (parseInt(octave) + 1) * 12;\n\t            return this.midiToFrequency(noteNumber);\n\t        }\n\t    };\n\t    /*\n\t\t *  BeatsBarsSixteenths type primary expression\n\t\t *  @type {Object}\n\t\t *  @private\n\t\t */\n\t    Tone.Frequency.prototype._primaryExpressions.tr = {\n\t        regexp: /^(\\d+(?:\\.\\d+)?):(\\d+(?:\\.\\d+)?):?(\\d+(?:\\.\\d+)?)?/,\n\t        method: function (m, q, s) {\n\t            var total = 1;\n\t            if (m && m !== '0') {\n\t                total *= this._beatsToUnits(this._timeSignature() * parseFloat(m));\n\t            }\n\t            if (q && q !== '0') {\n\t                total *= this._beatsToUnits(parseFloat(q));\n\t            }\n\t            if (s && s !== '0') {\n\t                total *= this._beatsToUnits(parseFloat(s) / 4);\n\t            }\n\t            return total;\n\t        }\n\t    };\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    //\tEXPRESSIONS\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    /**\n\t\t *  Transposes the frequency by the given number of semitones.\n\t\t *  @param  {Interval}  interval\n\t\t *  @return  {Tone.Frequency} this\n\t\t *  @example\n\t\t * Tone.Frequency(\"A4\").transpose(3); //\"C5\"\n\t\t */\n\t    Tone.Frequency.prototype.transpose = function (interval) {\n\t        this._expr = function (expr, interval) {\n\t            var val = expr();\n\t            return val * this.intervalToFrequencyRatio(interval);\n\t        }.bind(this, this._expr, interval);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Takes an array of semitone intervals and returns\n\t\t *  an array of frequencies transposed by those intervals.\n\t\t *  @param  {Array}  intervals\n\t\t *  @return  {Tone.Frequency} this\n\t\t *  @example\n\t\t * Tone.Frequency(\"A4\").harmonize([0, 3, 7]); //[\"A4\", \"C5\", \"E5\"]\n\t\t */\n\t    Tone.Frequency.prototype.harmonize = function (intervals) {\n\t        this._expr = function (expr, intervals) {\n\t            var val = expr();\n\t            var ret = [];\n\t            for (var i = 0; i < intervals.length; i++) {\n\t                ret[i] = val * this.intervalToFrequencyRatio(intervals[i]);\n\t            }\n\t            return ret;\n\t        }.bind(this, this._expr, intervals);\n\t        return this;\n\t    };\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    //\tUNIT CONVERSIONS\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    /**\n\t\t *  Return the value of the frequency as a MIDI note\n\t\t *  @return  {MIDI}\n\t\t *  @example\n\t\t * Tone.Frequency(\"C4\").toMidi(); //60\n\t\t */\n\t    Tone.Frequency.prototype.toMidi = function () {\n\t        return this.frequencyToMidi(this.valueOf());\n\t    };\n\t    /**\n\t\t *  Return the value of the frequency in Scientific Pitch Notation\n\t\t *  @return  {Note}\n\t\t *  @example\n\t\t * Tone.Frequency(69, \"midi\").toNote(); //\"A4\"\n\t\t */\n\t    Tone.Frequency.prototype.toNote = function () {\n\t        var freq = this.valueOf();\n\t        var log = Math.log(freq / Tone.Frequency.A4) / Math.LN2;\n\t        var noteNumber = Math.round(12 * log) + 57;\n\t        var octave = Math.floor(noteNumber / 12);\n\t        if (octave < 0) {\n\t            noteNumber += -12 * octave;\n\t        }\n\t        var noteName = scaleIndexToNote[noteNumber % 12];\n\t        return noteName + octave.toString();\n\t    };\n\t    /**\n\t\t *  Return the duration of one cycle in seconds.\n\t\t *  @return  {Seconds}\n\t\t */\n\t    Tone.Frequency.prototype.toSeconds = function () {\n\t        return 1 / this.valueOf();\n\t    };\n\t    /**\n\t\t *  Return the value in Hertz\n\t\t *  @return  {Frequency}\n\t\t */\n\t    Tone.Frequency.prototype.toFrequency = function () {\n\t        return this.valueOf();\n\t    };\n\t    /**\n\t\t *  Return the duration of one cycle in ticks\n\t\t *  @return  {Ticks}\n\t\t */\n\t    Tone.Frequency.prototype.toTicks = function () {\n\t        var quarterTime = this._beatsToUnits(1);\n\t        var quarters = this.valueOf() / quarterTime;\n\t        return Math.floor(quarters * Tone.Transport.PPQ);\n\t    };\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    //\tUNIT CONVERSIONS HELPERS\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    /**\n\t\t *  Returns the value of a frequency in the current units\n\t\t *  @param {Frequency} freq\n\t\t *  @return  {Number}\n\t\t *  @private\n\t\t */\n\t    Tone.Frequency.prototype._frequencyToUnits = function (freq) {\n\t        return freq;\n\t    };\n\t    /**\n\t\t *  Returns the value of a tick in the current time units\n\t\t *  @param {Ticks} ticks\n\t\t *  @return  {Number}\n\t\t *  @private\n\t\t */\n\t    Tone.Frequency.prototype._ticksToUnits = function (ticks) {\n\t        return 1 / (ticks * 60 / (Tone.Transport.bpm.value * Tone.Transport.PPQ));\n\t    };\n\t    /**\n\t\t *  Return the value of the beats in the current units\n\t\t *  @param {Number} beats\n\t\t *  @return  {Number}\n\t\t *  @private\n\t\t */\n\t    Tone.Frequency.prototype._beatsToUnits = function (beats) {\n\t        return 1 / Tone.TimeBase.prototype._beatsToUnits.call(this, beats);\n\t    };\n\t    /**\n\t\t *  Returns the value of a second in the current units\n\t\t *  @param {Seconds} seconds\n\t\t *  @return  {Number}\n\t\t *  @private\n\t\t */\n\t    Tone.Frequency.prototype._secondsToUnits = function (seconds) {\n\t        return 1 / seconds;\n\t    };\n\t    /**\n\t\t *  The default units if none are given.\n\t\t *  @private\n\t\t */\n\t    Tone.Frequency.prototype._defaultUnits = 'hz';\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    //\tFREQUENCY CONVERSIONS\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    /**\n\t\t *  Note to scale index\n\t\t *  @type  {Object}\n\t\t */\n\t    var noteToScaleIndex = {\n\t        'cbb': -2,\n\t        'cb': -1,\n\t        'c': 0,\n\t        'c#': 1,\n\t        'cx': 2,\n\t        'dbb': 0,\n\t        'db': 1,\n\t        'd': 2,\n\t        'd#': 3,\n\t        'dx': 4,\n\t        'ebb': 2,\n\t        'eb': 3,\n\t        'e': 4,\n\t        'e#': 5,\n\t        'ex': 6,\n\t        'fbb': 3,\n\t        'fb': 4,\n\t        'f': 5,\n\t        'f#': 6,\n\t        'fx': 7,\n\t        'gbb': 5,\n\t        'gb': 6,\n\t        'g': 7,\n\t        'g#': 8,\n\t        'gx': 9,\n\t        'abb': 7,\n\t        'ab': 8,\n\t        'a': 9,\n\t        'a#': 10,\n\t        'ax': 11,\n\t        'bbb': 9,\n\t        'bb': 10,\n\t        'b': 11,\n\t        'b#': 12,\n\t        'bx': 13\n\t    };\n\t    /**\n\t\t *  scale index to note (sharps)\n\t\t *  @type  {Array}\n\t\t */\n\t    var scaleIndexToNote = [\n\t        'C',\n\t        'C#',\n\t        'D',\n\t        'D#',\n\t        'E',\n\t        'F',\n\t        'F#',\n\t        'G',\n\t        'G#',\n\t        'A',\n\t        'A#',\n\t        'B'\n\t    ];\n\t    /**\n\t\t *  The [concert pitch](https://en.wikipedia.org/wiki/Concert_pitch)\n\t\t *  A4's values in Hertz. \n\t\t *  @type {Frequency}\n\t\t *  @static\n\t\t */\n\t    Tone.Frequency.A4 = 440;\n\t    /**\n\t\t *  Convert a MIDI note to frequency value. \n\t\t *  @param  {MIDI} midi The midi number to convert.\n\t\t *  @return {Frequency} the corresponding frequency value\n\t\t *  @example\n\t\t * tone.midiToFrequency(69); // returns 440\n\t\t */\n\t    Tone.Frequency.prototype.midiToFrequency = function (midi) {\n\t        return Tone.Frequency.A4 * Math.pow(2, (midi - 69) / 12);\n\t    };\n\t    /**\n\t\t *  Convert a frequency value to a MIDI note.\n\t\t *  @param {Frequency} frequency The value to frequency value to convert.\n\t\t *  @returns  {MIDI}\n\t\t *  @example\n\t\t * tone.midiToFrequency(440); // returns 69\n\t\t */\n\t    Tone.Frequency.prototype.frequencyToMidi = function (frequency) {\n\t        return 69 + 12 * Math.log(frequency / Tone.Frequency.A4) / Math.LN2;\n\t    };\n\t    return Tone.Frequency;\n\t});\n\tModule(function (Tone) {\n\t    /**\n\t\t *  @class Tone.TransportTime is a the time along the Transport's\n\t\t *         timeline. It is similar to Tone.Time, but instead of evaluating\n\t\t *         against the AudioContext's clock, it is evaluated against\n\t\t *         the Transport's position. See [TransportTime wiki](https://github.com/Tonejs/Tone.js/wiki/TransportTime).\n\t\t *  @constructor\n\t\t *  @param  {Time}  val    The time value as a number or string\n\t\t *  @param  {String=}  units  Unit values\n\t\t *  @extends {Tone.Time}\n\t\t */\n\t    Tone.TransportTime = function (val, units) {\n\t        if (this instanceof Tone.TransportTime) {\n\t            Tone.Time.call(this, val, units);\n\t        } else {\n\t            return new Tone.TransportTime(val, units);\n\t        }\n\t    };\n\t    Tone.extend(Tone.TransportTime, Tone.Time);\n\t    //clone the expressions so that \n\t    //we can add more without modifying the original\n\t    Tone.TransportTime.prototype._unaryExpressions = Object.create(Tone.Time.prototype._unaryExpressions);\n\t    /**\n\t\t *  Adds an additional unary expression\n\t\t *  which quantizes values to the next subdivision\n\t\t *  @type {Object}\n\t\t *  @private\n\t\t */\n\t    Tone.TransportTime.prototype._unaryExpressions.quantize = {\n\t        regexp: /^@/,\n\t        method: function (rh) {\n\t            var subdivision = this._secondsToTicks(rh());\n\t            var multiple = Math.ceil(Tone.Transport.ticks / subdivision);\n\t            return this._ticksToUnits(multiple * subdivision);\n\t        }\n\t    };\n\t    /**\n\t\t *  Convert seconds into ticks\n\t\t *  @param {Seconds} seconds\n\t\t *  @return  {Ticks}\n\t\t *  @private\n\t\t */\n\t    Tone.TransportTime.prototype._secondsToTicks = function (seconds) {\n\t        var quarterTime = this._beatsToUnits(1);\n\t        var quarters = seconds / quarterTime;\n\t        return Math.round(quarters * Tone.Transport.PPQ);\n\t    };\n\t    /**\n\t\t *  Evaluate the time expression. Returns values in ticks\n\t\t *  @return {Ticks}\n\t\t */\n\t    Tone.TransportTime.prototype.valueOf = function () {\n\t        var val = this._secondsToTicks(this._expr());\n\t        return val + (this._plusNow ? Tone.Transport.ticks : 0);\n\t    };\n\t    /**\n\t\t *  Return the time in ticks.\n\t\t *  @return  {Ticks}\n\t\t */\n\t    Tone.TransportTime.prototype.toTicks = function () {\n\t        return this.valueOf();\n\t    };\n\t    /**\n\t\t *  Return the time in seconds.\n\t\t *  @return  {Seconds}\n\t\t */\n\t    Tone.TransportTime.prototype.toSeconds = function () {\n\t        var val = this._expr();\n\t        return val + (this._plusNow ? Tone.Transport.seconds : 0);\n\t    };\n\t    /**\n\t\t *  Return the time as a frequency value\n\t\t *  @return  {Frequency} \n\t\t */\n\t    Tone.TransportTime.prototype.toFrequency = function () {\n\t        return 1 / this.toSeconds();\n\t    };\n\t    return Tone.TransportTime;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Tone.Emitter gives classes which extend it\n\t\t *         the ability to listen for and emit events. \n\t\t *         Inspiration and reference from Jerome Etienne's [MicroEvent](https://github.com/jeromeetienne/microevent.js).\n\t\t *         MIT (c) 2011 Jerome Etienne.\n\t\t *         \n\t\t *  @extends {Tone}\n\t\t */\n\t    Tone.Emitter = function () {\n\t        /**\n\t\t\t *  Contains all of the events.\n\t\t\t *  @private\n\t\t\t *  @type  {Object}\n\t\t\t */\n\t        this._events = {};\n\t    };\n\t    Tone.extend(Tone.Emitter);\n\t    /**\n\t\t *  Bind a callback to a specific event.\n\t\t *  @param  {String}    event     The name of the event to listen for.\n\t\t *  @param  {Function}  callback  The callback to invoke when the\n\t\t *                                event is emitted\n\t\t *  @return  {Tone.Emitter}    this\n\t\t */\n\t    Tone.Emitter.prototype.on = function (event, callback) {\n\t        //split the event\n\t        var events = event.split(/\\W+/);\n\t        for (var i = 0; i < events.length; i++) {\n\t            var eventName = events[i];\n\t            if (!this._events.hasOwnProperty(eventName)) {\n\t                this._events[eventName] = [];\n\t            }\n\t            this._events[eventName].push(callback);\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Remove the event listener.\n\t\t *  @param  {String}    event     The event to stop listening to.\n\t\t *  @param  {Function=}  callback  The callback which was bound to \n\t\t *                                the event with Tone.Emitter.on.\n\t\t *                                If no callback is given, all callbacks\n\t\t *                                events are removed.\n\t\t *  @return  {Tone.Emitter}    this\n\t\t */\n\t    Tone.Emitter.prototype.off = function (event, callback) {\n\t        var events = event.split(/\\W+/);\n\t        for (var ev = 0; ev < events.length; ev++) {\n\t            event = events[ev];\n\t            if (this._events.hasOwnProperty(event)) {\n\t                if (Tone.prototype.isUndef(callback)) {\n\t                    this._events[event] = [];\n\t                } else {\n\t                    var eventList = this._events[event];\n\t                    for (var i = 0; i < eventList.length; i++) {\n\t                        if (eventList[i] === callback) {\n\t                            eventList.splice(i, 1);\n\t                        }\n\t                    }\n\t                }\n\t            }\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Invoke all of the callbacks bound to the event\n\t\t *  with any arguments passed in. \n\t\t *  @param  {String}  event  The name of the event.\n\t\t *  @param {*...} args The arguments to pass to the functions listening.\n\t\t *  @return  {Tone.Emitter}  this\n\t\t */\n\t    Tone.Emitter.prototype.emit = function (event) {\n\t        if (this._events) {\n\t            var args = Array.apply(null, arguments).slice(1);\n\t            if (this._events.hasOwnProperty(event)) {\n\t                var eventList = this._events[event];\n\t                for (var i = 0, len = eventList.length; i < len; i++) {\n\t                    eventList[i].apply(this, args);\n\t                }\n\t            }\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Add Emitter functions (on/off/emit) to the object\n\t\t *  @param  {Object|Function}  object  The object or class to extend.\n\t\t */\n\t    Tone.Emitter.mixin = function (object) {\n\t        var functions = [\n\t            'on',\n\t            'off',\n\t            'emit'\n\t        ];\n\t        object._events = {};\n\t        for (var i = 0; i < functions.length; i++) {\n\t            var func = functions[i];\n\t            var emitterFunc = Tone.Emitter.prototype[func];\n\t            object[func] = emitterFunc;\n\t        }\n\t    };\n\t    /**\n\t\t *  Clean up\n\t\t *  @return  {Tone.Emitter}  this\n\t\t */\n\t    Tone.Emitter.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._events = null;\n\t        return this;\n\t    };\n\t    return Tone.Emitter;\n\t});\n\tModule(function (Tone) {\n\t    /**\n\t\t *  shim\n\t\t *  @private\n\t\t */\n\t    if (!window.hasOwnProperty('AudioContext') && window.hasOwnProperty('webkitAudioContext')) {\n\t        window.AudioContext = window.webkitAudioContext;\n\t    }\n\t    /**\n\t\t *  @class Wrapper around the native AudioContext.\n\t\t *  @extends {Tone.Emitter}\n\t\t *  @param {AudioContext=} context optionally pass in a context\n\t\t */\n\t    Tone.Context = function (context) {\n\t        Tone.Emitter.call(this);\n\t        if (!context) {\n\t            context = new window.AudioContext();\n\t        }\n\t        this._context = context;\n\t        // extend all of the methods\n\t        for (var prop in this._context) {\n\t            this._defineProperty(this._context, prop);\n\t        }\n\t        ///////////////////////////////////////////////////////////////////////\n\t        // WORKER\n\t        ///////////////////////////////////////////////////////////////////////\n\t        /**\n\t\t\t *  The default latency hint\n\t\t\t *  @type  {String}\n\t\t\t *  @private\n\t\t\t */\n\t        this._latencyHint = 'interactive';\n\t        /**\n\t\t\t *  The amount of time events are scheduled\n\t\t\t *  into the future\n\t\t\t *  @type  {Number}\n\t\t\t *  @private\n\t\t\t */\n\t        this._lookAhead = 0.1;\n\t        /**\n\t\t\t *  How often the update look runs\n\t\t\t *  @type  {Number}\n\t\t\t *  @private\n\t\t\t */\n\t        this._updateInterval = this._lookAhead / 3;\n\t        /**\n\t\t\t *  A reference to the actual computed update interval\n\t\t\t *  @type  {Number}\n\t\t\t *  @private\n\t\t\t */\n\t        this._computedUpdateInterval = 0;\n\t        /**\n\t\t\t *  The web worker which is used to update Tone.Clock\n\t\t\t *  @private\n\t\t\t *  @type  {WebWorker}\n\t\t\t */\n\t        this._worker = this._createWorker();\n\t        /**\n\t\t\t *  An object containing all of the constants AudioBufferSourceNodes\n\t\t\t *  @type  {Object}\n\t\t\t *  @private\n\t\t\t */\n\t        this._constants = {};\n\t    };\n\t    Tone.extend(Tone.Context, Tone.Emitter);\n\t    Tone.Emitter.mixin(Tone.Context);\n\t    /**\n\t\t *  Define a property on this Tone.Context. \n\t\t *  This is used to extend the native AudioContext\n\t\t *  @param  {AudioContext}  context\n\t\t *  @param  {String}  prop \n\t\t *  @private\n\t\t */\n\t    Tone.Context.prototype._defineProperty = function (context, prop) {\n\t        if (this.isUndef(this[prop])) {\n\t            Object.defineProperty(this, prop, {\n\t                get: function () {\n\t                    if (typeof context[prop] === 'function') {\n\t                        return context[prop].bind(context);\n\t                    } else {\n\t                        return context[prop];\n\t                    }\n\t                },\n\t                set: function (val) {\n\t                    context[prop] = val;\n\t                }\n\t            });\n\t        }\n\t    };\n\t    /**\n\t\t *  The current audio context time\n\t\t *  @return  {Number}\n\t\t */\n\t    Tone.Context.prototype.now = function () {\n\t        return this._context.currentTime;\n\t    };\n\t    /**\n\t\t *  Generate a web worker\n\t\t *  @return  {WebWorker}\n\t\t *  @private\n\t\t */\n\t    Tone.Context.prototype._createWorker = function () {\n\t        //URL Shim\n\t        window.URL = window.URL || window.webkitURL;\n\t        var blob = new Blob([//the initial timeout time\n\t            'var timeoutTime = ' + (this._updateInterval * 1000).toFixed(1) + ';' + //onmessage callback\n\t            'self.onmessage = function(msg){' + '\\ttimeoutTime = parseInt(msg.data);' + '};' + //the tick function which posts a message\n\t            //and schedules a new tick\n\t            'function tick(){' + '\\tsetTimeout(tick, timeoutTime);' + '\\tself.postMessage(\\'tick\\');' + '}' + //call tick initially\n\t            'tick();']);\n\t        var blobUrl = URL.createObjectURL(blob);\n\t        var worker = new Worker(blobUrl);\n\t        worker.addEventListener('message', function () {\n\t            // tick the clock\n\t            this.emit('tick');\n\t        }.bind(this));\n\t        //lag compensation\n\t        worker.addEventListener('message', function () {\n\t            var now = this.now();\n\t            if (this.isNumber(this._lastUpdate)) {\n\t                var diff = now - this._lastUpdate;\n\t                this._computedUpdateInterval = Math.max(diff, this._computedUpdateInterval * 0.97);\n\t            }\n\t            this._lastUpdate = now;\n\t        }.bind(this));\n\t        return worker;\n\t    };\n\t    /**\n\t\t *  Generate a looped buffer at some constant value.\n\t\t *  @param  {Number}  val\n\t\t *  @return  {BufferSourceNode}\n\t\t */\n\t    Tone.Context.prototype.getConstant = function (val) {\n\t        if (this._constants[val]) {\n\t            return this._constants[val];\n\t        } else {\n\t            var buffer = this._context.createBuffer(1, 128, this._context.sampleRate);\n\t            var arr = buffer.getChannelData(0);\n\t            for (var i = 0; i < arr.length; i++) {\n\t                arr[i] = val;\n\t            }\n\t            var constant = this._context.createBufferSource();\n\t            constant.channelCount = 1;\n\t            constant.channelCountMode = 'explicit';\n\t            constant.buffer = buffer;\n\t            constant.loop = true;\n\t            constant.start(0);\n\t            this._constants[val] = constant;\n\t            return constant;\n\t        }\n\t    };\n\t    /**\n\t\t *  This is the time that the clock is falling behind\n\t\t *  the scheduled update interval. The Context automatically\n\t\t *  adjusts for the lag and schedules further in advance.\n\t\t *  @type {Number}\n\t\t *  @memberOf Tone.Context\n\t\t *  @name lag\n\t\t *  @static\n\t\t *  @readOnly\n\t\t */\n\t    Object.defineProperty(Tone.Context.prototype, 'lag', {\n\t        get: function () {\n\t            var diff = this._computedUpdateInterval - this._updateInterval;\n\t            diff = Math.max(diff, 0);\n\t            return diff;\n\t        }\n\t    });\n\t    /**\n\t\t *  The amount of time in advance that events are scheduled.\n\t\t *  The lookAhead will adjust slightly in response to the \n\t\t *  measured update time to try to avoid clicks.\n\t\t *  @type {Number}\n\t\t *  @memberOf Tone.Context\n\t\t *  @name lookAhead\n\t\t *  @static\n\t\t */\n\t    Object.defineProperty(Tone.Context.prototype, 'lookAhead', {\n\t        get: function () {\n\t            return this._lookAhead;\n\t        },\n\t        set: function (lA) {\n\t            this._lookAhead = lA;\n\t        }\n\t    });\n\t    /**\n\t\t *  How often the Web Worker callback is invoked.\n\t\t *  This number corresponds to how responsive the scheduling\n\t\t *  can be. Context.updateInterval + Context.lookAhead gives you the\n\t\t *  total latency between scheduling an event and hearing it.\n\t\t *  @type {Number}\n\t\t *  @memberOf Tone.Context\n\t\t *  @name updateInterval\n\t\t *  @static\n\t\t */\n\t    Object.defineProperty(Tone.Context.prototype, 'updateInterval', {\n\t        get: function () {\n\t            return this._updateInterval;\n\t        },\n\t        set: function (interval) {\n\t            this._updateInterval = Math.max(interval, Tone.prototype.blockTime);\n\t            this._worker.postMessage(Math.max(interval * 1000, 1));\n\t        }\n\t    });\n\t    /**\n\t\t *  The type of playback, which affects tradeoffs between audio \n\t\t *  output latency and responsiveness. \n\t\t *  \n\t\t *  In addition to setting the value in seconds, the latencyHint also\n\t\t *  accepts the strings \"interactive\" (prioritizes low latency), \n\t\t *  \"playback\" (prioritizes sustained playback), \"balanced\" (balances\n\t\t *  latency and performance), and \"fastest\" (lowest latency, might glitch more often). \n\t\t *  @type {String|Seconds}\n\t\t *  @memberOf Tone.Context#\n\t\t *  @name latencyHint\n\t\t *  @static\n\t\t *  @example\n\t\t * //set the lookAhead to 0.3 seconds\n\t\t * Tone.context.latencyHint = 0.3;\n\t\t */\n\t    Object.defineProperty(Tone.Context.prototype, 'latencyHint', {\n\t        get: function () {\n\t            return this._latencyHint;\n\t        },\n\t        set: function (hint) {\n\t            var lookAhead = hint;\n\t            this._latencyHint = hint;\n\t            if (this.isString(hint)) {\n\t                switch (hint) {\n\t                case 'interactive':\n\t                    lookAhead = 0.1;\n\t                    this._context.latencyHint = hint;\n\t                    break;\n\t                case 'playback':\n\t                    lookAhead = 0.8;\n\t                    this._context.latencyHint = hint;\n\t                    break;\n\t                case 'balanced':\n\t                    lookAhead = 0.25;\n\t                    this._context.latencyHint = hint;\n\t                    break;\n\t                case 'fastest':\n\t                    lookAhead = 0.01;\n\t                    break;\n\t                }\n\t            }\n\t            this.lookAhead = lookAhead;\n\t            this.updateInterval = lookAhead / 3;\n\t        }\n\t    });\n\t    /**\n\t\t *  Shim all connect/disconnect and some deprecated methods which are still in\n\t\t *  some older implementations.\n\t\t *  @private\n\t\t */\n\t    function shimConnect() {\n\t        var nativeConnect = AudioNode.prototype.connect;\n\t        var nativeDisconnect = AudioNode.prototype.disconnect;\n\t        //replace the old connect method\n\t        function toneConnect(B, outNum, inNum) {\n\t            if (B.input) {\n\t                if (Array.isArray(B.input)) {\n\t                    if (Tone.prototype.isUndef(inNum)) {\n\t                        inNum = 0;\n\t                    }\n\t                    this.connect(B.input[inNum]);\n\t                } else {\n\t                    this.connect(B.input, outNum, inNum);\n\t                }\n\t            } else {\n\t                try {\n\t                    if (B instanceof AudioNode) {\n\t                        nativeConnect.call(this, B, outNum, inNum);\n\t                    } else {\n\t                        nativeConnect.call(this, B, outNum);\n\t                    }\n\t                } catch (e) {\n\t                    throw new Error('error connecting to node: ' + B + '\\n' + e);\n\t                }\n\t            }\n\t        }\n\t        //replace the old disconnect method\n\t        function toneDisconnect(B, outNum, inNum) {\n\t            if (B && B.input && Array.isArray(B.input)) {\n\t                if (Tone.prototype.isUndef(inNum)) {\n\t                    inNum = 0;\n\t                }\n\t                this.disconnect(B.input[inNum], outNum, inNum);\n\t            } else if (B && B.input) {\n\t                this.disconnect(B.input, outNum, inNum);\n\t            } else {\n\t                try {\n\t                    nativeDisconnect.apply(this, arguments);\n\t                } catch (e) {\n\t                    throw new Error('error disconnecting node: ' + B + '\\n' + e);\n\t                }\n\t            }\n\t        }\n\t        if (AudioNode.prototype.connect !== toneConnect) {\n\t            AudioNode.prototype.connect = toneConnect;\n\t            AudioNode.prototype.disconnect = toneDisconnect;\n\t        }\n\t    }\n\t    // set the audio context initially\n\t    if (Tone.supported) {\n\t        shimConnect();\n\t        Tone.context = new Tone.Context();\n\t    } else {\n\t        console.warn('This browser does not support Tone.js');\n\t    }\n\t    return Tone.Context;\n\t});\n\tModule(function (Tone) {\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    //\tTYPES\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    /**\n\t\t * Units which a value can take on.\n\t\t * @enum {String}\n\t\t */\n\t    Tone.Type = {\n\t        /** \n\t\t\t *  Default units\n\t\t\t *  @typedef {Default}\n\t\t\t */\n\t        Default: 'number',\n\t        /**\n\t\t\t *  Time can be described in a number of ways. Read more [Time](https://github.com/Tonejs/Tone.js/wiki/Time).\n\t\t\t *\n\t\t\t *  <ul>\n\t\t\t *  <li>Numbers, which will be taken literally as the time (in seconds).</li>\n\t\t\t *  <li>Notation, (\"4n\", \"8t\") describes time in BPM and time signature relative values.</li>\n\t\t\t *  <li>TransportTime, (\"4:3:2\") will also provide tempo and time signature relative times \n\t\t\t *  in the form BARS:QUARTERS:SIXTEENTHS.</li>\n\t\t\t *  <li>Frequency, (\"8hz\") is converted to the length of the cycle in seconds.</li>\n\t\t\t *  <li>Now-Relative, (\"+1\") prefix any of the above with \"+\" and it will be interpreted as \n\t\t\t *  \"the current time plus whatever expression follows\".</li>\n\t\t\t *  <li>Expressions, (\"3:0 + 2 - (1m / 7)\") any of the above can also be combined \n\t\t\t *  into a mathematical expression which will be evaluated to compute the desired time.</li>\n\t\t\t *  <li>No Argument, for methods which accept time, no argument will be interpreted as \n\t\t\t *  \"now\" (i.e. the currentTime).</li>\n\t\t\t *  </ul>\n\t\t\t *  \n\t\t\t *  @typedef {Time}\n\t\t\t */\n\t        Time: 'time',\n\t        /**\n\t\t\t *  Frequency can be described similar to time, except ultimately the\n\t\t\t *  values are converted to frequency instead of seconds. A number\n\t\t\t *  is taken literally as the value in hertz. Additionally any of the \n\t\t\t *  Time encodings can be used. Note names in the form\n\t\t\t *  of NOTE OCTAVE (i.e. C4) are also accepted and converted to their\n\t\t\t *  frequency value. \n\t\t\t *  @typedef {Frequency}\n\t\t\t */\n\t        Frequency: 'frequency',\n\t        /**\n\t\t\t *  TransportTime describes a position along the Transport's timeline. It is\n\t\t\t *  similar to Time in that it uses all the same encodings, but TransportTime specifically\n\t\t\t *  pertains to the Transport's timeline, which is startable, stoppable, loopable, and seekable. \n\t\t\t *  [Read more](https://github.com/Tonejs/Tone.js/wiki/TransportTime)\n\t\t\t *  @typedef {TransportTime}\n\t\t\t */\n\t        TransportTime: 'transportTime',\n\t        /** \n\t\t\t *  Ticks are the basic subunit of the Transport. They are\n\t\t\t *  the smallest unit of time that the Transport supports.\n\t\t\t *  @typedef {Ticks}\n\t\t\t */\n\t        Ticks: 'ticks',\n\t        /** \n\t\t\t *  Normal values are within the range [0, 1].\n\t\t\t *  @typedef {NormalRange}\n\t\t\t */\n\t        NormalRange: 'normalRange',\n\t        /** \n\t\t\t *  AudioRange values are between [-1, 1].\n\t\t\t *  @typedef {AudioRange}\n\t\t\t */\n\t        AudioRange: 'audioRange',\n\t        /** \n\t\t\t *  Decibels are a logarithmic unit of measurement which is useful for volume\n\t\t\t *  because of the logarithmic way that we perceive loudness. 0 decibels \n\t\t\t *  means no change in volume. -10db is approximately half as loud and 10db \n\t\t\t *  is twice is loud. \n\t\t\t *  @typedef {Decibels}\n\t\t\t */\n\t        Decibels: 'db',\n\t        /** \n\t\t\t *  Half-step note increments, i.e. 12 is an octave above the root. and 1 is a half-step up.\n\t\t\t *  @typedef {Interval}\n\t\t\t */\n\t        Interval: 'interval',\n\t        /** \n\t\t\t *  Beats per minute. \n\t\t\t *  @typedef {BPM}\n\t\t\t */\n\t        BPM: 'bpm',\n\t        /** \n\t\t\t *  The value must be greater than or equal to 0.\n\t\t\t *  @typedef {Positive}\n\t\t\t */\n\t        Positive: 'positive',\n\t        /** \n\t\t\t *  A cent is a hundredth of a semitone. \n\t\t\t *  @typedef {Cents}\n\t\t\t */\n\t        Cents: 'cents',\n\t        /** \n\t\t\t *  Angle between 0 and 360. \n\t\t\t *  @typedef {Degrees}\n\t\t\t */\n\t        Degrees: 'degrees',\n\t        /** \n\t\t\t *  A number representing a midi note.\n\t\t\t *  @typedef {MIDI}\n\t\t\t */\n\t        MIDI: 'midi',\n\t        /** \n\t\t\t *  A colon-separated representation of time in the form of\n\t\t\t *  Bars:Beats:Sixteenths. \n\t\t\t *  @typedef {BarsBeatsSixteenths}\n\t\t\t */\n\t        BarsBeatsSixteenths: 'barsBeatsSixteenths',\n\t        /** \n\t\t\t *  Sampling is the reduction of a continuous signal to a discrete signal.\n\t\t\t *  Audio is typically sampled 44100 times per second. \n\t\t\t *  @typedef {Samples}\n\t\t\t */\n\t        Samples: 'samples',\n\t        /** \n\t\t\t *  Hertz are a frequency representation defined as one cycle per second.\n\t\t\t *  @typedef {Hertz}\n\t\t\t */\n\t        Hertz: 'hertz',\n\t        /** \n\t\t\t *  A frequency represented by a letter name, \n\t\t\t *  accidental and octave. This system is known as\n\t\t\t *  [Scientific Pitch Notation](https://en.wikipedia.org/wiki/Scientific_pitch_notation).\n\t\t\t *  @typedef {Note}\n\t\t\t */\n\t        Note: 'note',\n\t        /** \n\t\t\t *  One millisecond is a thousandth of a second. \n\t\t\t *  @typedef {Milliseconds}\n\t\t\t */\n\t        Milliseconds: 'milliseconds',\n\t        /** \n\t\t\t *  Seconds are the time unit of the AudioContext. In the end, \n\t\t\t *  all values need to be evaluated to seconds. \n\t\t\t *  @typedef {Seconds}\n\t\t\t */\n\t        Seconds: 'seconds',\n\t        /** \n\t\t\t *  A string representing a duration relative to a measure. \n\t\t\t *  <ul>\n\t\t\t *  \t<li>\"4n\" = quarter note</li>\n\t\t\t *   \t<li>\"2m\" = two measures</li>\n\t\t\t *    \t<li>\"8t\" = eighth-note triplet</li>\n\t\t\t *  </ul>\n\t\t\t *  @typedef {Notation}\n\t\t\t */\n\t        Notation: 'notation'\n\t    };\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    // AUGMENT TONE's PROTOTYPE\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    /**\n\t\t *  Convert Time into seconds.\n\t\t *  \n\t\t *  Unlike the method which it overrides, this takes into account \n\t\t *  transporttime and musical notation.\n\t\t *\n\t\t *  Time : 1.40\n\t\t *  Notation: 4n|1m|2t\n\t\t *  Now Relative: +3n\n\t\t *  Math: 3n+16n or even complicated expressions ((3n*2)/6 + 1)\n\t\t *\n\t\t *  @param  {Time} time \n\t\t *  @return {Seconds} \n\t\t */\n\t    Tone.prototype.toSeconds = function (time) {\n\t        if (this.isNumber(time)) {\n\t            return time;\n\t        } else if (this.isUndef(time)) {\n\t            return this.now();\n\t        } else if (this.isString(time)) {\n\t            return new Tone.Time(time).toSeconds();\n\t        } else if (time instanceof Tone.TimeBase) {\n\t            return time.toSeconds();\n\t        }\n\t    };\n\t    /**\n\t\t *  Convert a frequency representation into a number.\n\t\t *  @param  {Frequency} freq \n\t\t *  @return {Hertz}      the frequency in hertz\n\t\t */\n\t    Tone.prototype.toFrequency = function (freq) {\n\t        if (this.isNumber(freq)) {\n\t            return freq;\n\t        } else if (this.isString(freq) || this.isUndef(freq)) {\n\t            return new Tone.Frequency(freq).valueOf();\n\t        } else if (freq instanceof Tone.TimeBase) {\n\t            return freq.toFrequency();\n\t        }\n\t    };\n\t    /**\n\t\t *  Convert a time representation into ticks.\n\t\t *  @param  {Time} time\n\t\t *  @return {Ticks}  the time in ticks\n\t\t */\n\t    Tone.prototype.toTicks = function (time) {\n\t        if (this.isNumber(time) || this.isString(time)) {\n\t            return new Tone.TransportTime(time).toTicks();\n\t        } else if (this.isUndef(time)) {\n\t            return Tone.Transport.ticks;\n\t        } else if (time instanceof Tone.TimeBase) {\n\t            return time.toTicks();\n\t        }\n\t    };\n\t    return Tone;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Tone.Param wraps the native Web Audio's AudioParam to provide\n\t\t *         additional unit conversion functionality. It also\n\t\t *         serves as a base-class for classes which have a single,\n\t\t *         automatable parameter. \n\t\t *  @extends {Tone}\n\t\t *  @param  {AudioParam}  param  The parameter to wrap.\n\t\t *  @param  {Tone.Type} units The units of the audio param.\n\t\t *  @param  {Boolean} convert If the param should be converted.\n\t\t */\n\t    Tone.Param = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'param',\n\t            'units',\n\t            'convert'\n\t        ], Tone.Param.defaults);\n\t        /**\n\t\t\t *  The native parameter to control\n\t\t\t *  @type  {AudioParam}\n\t\t\t *  @private\n\t\t\t */\n\t        this._param = this.input = options.param;\n\t        /**\n\t\t\t *  The units of the parameter\n\t\t\t *  @type {Tone.Type}\n\t\t\t */\n\t        this.units = options.units;\n\t        /**\n\t\t\t *  If the value should be converted or not\n\t\t\t *  @type {Boolean}\n\t\t\t */\n\t        this.convert = options.convert;\n\t        /**\n\t\t\t *  True if the signal value is being overridden by \n\t\t\t *  a connected signal.\n\t\t\t *  @readOnly\n\t\t\t *  @type  {boolean}\n\t\t\t *  @private\n\t\t\t */\n\t        this.overridden = false;\n\t        /**\n\t\t\t *  If there is an LFO, this is where it is held.\n\t\t\t *  @type  {Tone.LFO}\n\t\t\t *  @private\n\t\t\t */\n\t        this._lfo = null;\n\t        if (this.isObject(options.lfo)) {\n\t            this.value = options.lfo;\n\t        } else if (!this.isUndef(options.value)) {\n\t            this.value = options.value;\n\t        }\n\t    };\n\t    Tone.extend(Tone.Param);\n\t    /**\n\t\t *  Defaults\n\t\t *  @type  {Object}\n\t\t *  @const\n\t\t */\n\t    Tone.Param.defaults = {\n\t        'units': Tone.Type.Default,\n\t        'convert': true,\n\t        'param': undefined\n\t    };\n\t    /**\n\t\t * The current value of the parameter. \n\t\t * @memberOf Tone.Param#\n\t\t * @type {Number}\n\t\t * @name value\n\t\t */\n\t    Object.defineProperty(Tone.Param.prototype, 'value', {\n\t        get: function () {\n\t            return this._toUnits(this._param.value);\n\t        },\n\t        set: function (value) {\n\t            if (this.isObject(value)) {\n\t                //throw an error if the LFO needs to be included\n\t                if (this.isUndef(Tone.LFO)) {\n\t                    throw new Error('Include \\'Tone.LFO\\' to use an LFO as a Param value.');\n\t                }\n\t                //remove the old one\n\t                if (this._lfo) {\n\t                    this._lfo.dispose();\n\t                }\n\t                this._lfo = new Tone.LFO(value).start();\n\t                this._lfo.connect(this.input);\n\t            } else {\n\t                var convertedVal = this._fromUnits(value);\n\t                this._param.cancelScheduledValues(0);\n\t                this._param.value = convertedVal;\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t *  Convert the given value from the type specified by Tone.Param.units\n\t\t *  into the destination value (such as Gain or Frequency).\n\t\t *  @private\n\t\t *  @param  {*} val the value to convert\n\t\t *  @return {number}     the number which the value should be set to\n\t\t */\n\t    Tone.Param.prototype._fromUnits = function (val) {\n\t        if (this.convert || this.isUndef(this.convert)) {\n\t            switch (this.units) {\n\t            case Tone.Type.Time:\n\t                return this.toSeconds(val);\n\t            case Tone.Type.Frequency:\n\t                return this.toFrequency(val);\n\t            case Tone.Type.Decibels:\n\t                return this.dbToGain(val);\n\t            case Tone.Type.NormalRange:\n\t                return Math.min(Math.max(val, 0), 1);\n\t            case Tone.Type.AudioRange:\n\t                return Math.min(Math.max(val, -1), 1);\n\t            case Tone.Type.Positive:\n\t                return Math.max(val, 0);\n\t            default:\n\t                return val;\n\t            }\n\t        } else {\n\t            return val;\n\t        }\n\t    };\n\t    /**\n\t\t * Convert the parameters value into the units specified by Tone.Param.units.\n\t\t * @private\n\t\t * @param  {number} val the value to convert\n\t\t * @return {number}\n\t\t */\n\t    Tone.Param.prototype._toUnits = function (val) {\n\t        if (this.convert || this.isUndef(this.convert)) {\n\t            switch (this.units) {\n\t            case Tone.Type.Decibels:\n\t                return this.gainToDb(val);\n\t            default:\n\t                return val;\n\t            }\n\t        } else {\n\t            return val;\n\t        }\n\t    };\n\t    /**\n\t\t *  the minimum output value\n\t\t *  @type {Number}\n\t\t *  @private\n\t\t */\n\t    Tone.Param.prototype._minOutput = 0.00001;\n\t    /**\n\t\t *  Schedules a parameter value change at the given time.\n\t\t *  @param {*}\tvalue The value to set the signal.\n\t\t *  @param {Time}  time The time when the change should occur.\n\t\t *  @returns {Tone.Param} this\n\t\t *  @example\n\t\t * //set the frequency to \"G4\" in exactly 1 second from now. \n\t\t * freq.setValueAtTime(\"G4\", \"+1\");\n\t\t */\n\t    Tone.Param.prototype.setValueAtTime = function (value, time) {\n\t        value = this._fromUnits(value);\n\t        time = this.toSeconds(time);\n\t        if (time <= this.now() + this.blockTime) {\n\t            this._param.value = value;\n\t        } else {\n\t            this._param.setValueAtTime(value, time);\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Creates a schedule point with the current value at the current time.\n\t\t *  This is useful for creating an automation anchor point in order to \n\t\t *  schedule changes from the current value. \n\t\t *\n\t\t *  @param {number=} now (Optionally) pass the now value in. \n\t\t *  @returns {Tone.Param} this\n\t\t */\n\t    Tone.Param.prototype.setRampPoint = function (now) {\n\t        now = this.defaultArg(now, this.now());\n\t        var currentVal = this._param.value;\n\t        // exponentialRampToValueAt cannot ever ramp from or to 0\n\t        // More info: https://bugzilla.mozilla.org/show_bug.cgi?id=1125600#c2\n\t        if (currentVal === 0) {\n\t            currentVal = this._minOutput;\n\t        }\n\t        this._param.setValueAtTime(currentVal, now);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Schedules a linear continuous change in parameter value from the \n\t\t *  previous scheduled parameter value to the given value.\n\t\t *  \n\t\t *  @param  {number} value   \n\t\t *  @param  {Time} endTime \n\t\t *  @returns {Tone.Param} this\n\t\t */\n\t    Tone.Param.prototype.linearRampToValueAtTime = function (value, endTime) {\n\t        value = this._fromUnits(value);\n\t        this._param.linearRampToValueAtTime(value, this.toSeconds(endTime));\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Schedules an exponential continuous change in parameter value from \n\t\t *  the previous scheduled parameter value to the given value.\n\t\t *  \n\t\t *  @param  {number} value   \n\t\t *  @param  {Time} endTime \n\t\t *  @returns {Tone.Param} this\n\t\t */\n\t    Tone.Param.prototype.exponentialRampToValueAtTime = function (value, endTime) {\n\t        value = this._fromUnits(value);\n\t        value = Math.max(this._minOutput, value);\n\t        this._param.exponentialRampToValueAtTime(value, this.toSeconds(endTime));\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Schedules an exponential continuous change in parameter value from \n\t\t *  the current time and current value to the given value over the \n\t\t *  duration of the rampTime.\n\t\t *  \n\t\t *  @param  {number} value   The value to ramp to.\n\t\t *  @param  {Time} rampTime the time that it takes the \n\t\t *                               value to ramp from it's current value\n\t\t *  @param {Time}\t[startTime=now] \tWhen the ramp should start. \n\t\t *  @returns {Tone.Param} this\n\t\t *  @example\n\t\t * //exponentially ramp to the value 2 over 4 seconds. \n\t\t * signal.exponentialRampToValue(2, 4);\n\t\t */\n\t    Tone.Param.prototype.exponentialRampToValue = function (value, rampTime, startTime) {\n\t        startTime = this.toSeconds(startTime);\n\t        this.setRampPoint(startTime);\n\t        this.exponentialRampToValueAtTime(value, startTime + this.toSeconds(rampTime));\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Schedules an linear continuous change in parameter value from \n\t\t *  the current time and current value to the given value over the \n\t\t *  duration of the rampTime.\n\t\t *  \n\t\t *  @param  {number} value   The value to ramp to.\n\t\t *  @param  {Time} rampTime the time that it takes the \n\t\t *                               value to ramp from it's current value\n\t\t *  @param {Time}\t[startTime=now] \tWhen the ramp should start. \n\t\t *  @returns {Tone.Param} this\n\t\t *  @example\n\t\t * //linearly ramp to the value 4 over 3 seconds. \n\t\t * signal.linearRampToValue(4, 3);\n\t\t */\n\t    Tone.Param.prototype.linearRampToValue = function (value, rampTime, startTime) {\n\t        startTime = this.toSeconds(startTime);\n\t        this.setRampPoint(startTime);\n\t        this.linearRampToValueAtTime(value, startTime + this.toSeconds(rampTime));\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Start exponentially approaching the target value at the given time with\n\t\t *  a rate having the given time constant.\n\t\t *  @param {number} value        \n\t\t *  @param {Time} startTime    \n\t\t *  @param {number} timeConstant \n\t\t *  @returns {Tone.Param} this \n\t\t */\n\t    Tone.Param.prototype.setTargetAtTime = function (value, startTime, timeConstant) {\n\t        value = this._fromUnits(value);\n\t        // The value will never be able to approach without timeConstant > 0.\n\t        // http://www.w3.org/TR/webaudio/#dfn-setTargetAtTime, where the equation\n\t        // is described. 0 results in a division by 0.\n\t        value = Math.max(this._minOutput, value);\n\t        timeConstant = Math.max(this._minOutput, timeConstant);\n\t        this._param.setTargetAtTime(value, this.toSeconds(startTime), timeConstant);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Sets an array of arbitrary parameter values starting at the given time\n\t\t *  for the given duration.\n\t\t *  \t\n\t\t *  @param {Array} values    \n\t\t *  @param {Time} startTime \n\t\t *  @param {Time} duration  \n\t\t *  @returns {Tone.Param} this\n\t\t */\n\t    Tone.Param.prototype.setValueCurveAtTime = function (values, startTime, duration) {\n\t        for (var i = 0; i < values.length; i++) {\n\t            values[i] = this._fromUnits(values[i]);\n\t        }\n\t        this._param.setValueCurveAtTime(values, this.toSeconds(startTime), this.toSeconds(duration));\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Cancels all scheduled parameter changes with times greater than or \n\t\t *  equal to startTime.\n\t\t *  \n\t\t *  @param  {Time} startTime\n\t\t *  @returns {Tone.Param} this\n\t\t */\n\t    Tone.Param.prototype.cancelScheduledValues = function (startTime) {\n\t        this._param.cancelScheduledValues(this.toSeconds(startTime));\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Ramps to the given value over the duration of the rampTime. \n\t\t *  Automatically selects the best ramp type (exponential or linear)\n\t\t *  depending on the `units` of the signal\n\t\t *  \n\t\t *  @param  {number} value   \n\t\t *  @param  {Time} rampTime \tThe time that it takes the \n\t\t *                              value to ramp from it's current value\n\t\t *  @param {Time}\t[startTime=now] \tWhen the ramp should start. \n\t\t *  @returns {Tone.Param} this\n\t\t *  @example\n\t\t * //ramp to the value either linearly or exponentially \n\t\t * //depending on the \"units\" value of the signal\n\t\t * signal.rampTo(0, 10);\n\t\t *  @example\n\t\t * //schedule it to ramp starting at a specific time\n\t\t * signal.rampTo(0, 10, 5)\n\t\t */\n\t    Tone.Param.prototype.rampTo = function (value, rampTime, startTime) {\n\t        rampTime = this.defaultArg(rampTime, 0);\n\t        if (this.units === Tone.Type.Frequency || this.units === Tone.Type.BPM || this.units === Tone.Type.Decibels) {\n\t            this.exponentialRampToValue(value, rampTime, startTime);\n\t        } else {\n\t            this.linearRampToValue(value, rampTime, startTime);\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  The LFO created by the signal instance. If none\n\t\t *  was created, this is null.\n\t\t *  @type {Tone.LFO}\n\t\t *  @readOnly\n\t\t *  @memberOf Tone.Param#\n\t\t *  @name lfo\n\t\t */\n\t    Object.defineProperty(Tone.Param.prototype, 'lfo', {\n\t        get: function () {\n\t            return this._lfo;\n\t        }\n\t    });\n\t    /**\n\t\t *  Clean up\n\t\t *  @returns {Tone.Param} this\n\t\t */\n\t    Tone.Param.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._param = null;\n\t        if (this._lfo) {\n\t            this._lfo.dispose();\n\t            this._lfo = null;\n\t        }\n\t        return this;\n\t    };\n\t    return Tone.Param;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  createGain shim\n\t\t *  @private\n\t\t */\n\t    if (window.GainNode && !AudioContext.prototype.createGain) {\n\t        AudioContext.prototype.createGain = AudioContext.prototype.createGainNode;\n\t    }\n\t    /**\n\t\t *  @class A thin wrapper around the Native Web Audio GainNode.\n\t\t *         The GainNode is a basic building block of the Web Audio\n\t\t *         API and is useful for routing audio and adjusting gains. \n\t\t *  @extends {Tone}\n\t\t *  @param  {Number=}  gain  The initial gain of the GainNode\n\t\t *  @param {Tone.Type=} units The units of the gain parameter. \n\t\t */\n\t    Tone.Gain = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'gain',\n\t            'units'\n\t        ], Tone.Gain.defaults);\n\t        /**\n\t\t\t *  The GainNode\n\t\t\t *  @type  {GainNode}\n\t\t\t *  @private\n\t\t\t */\n\t        this.input = this.output = this._gainNode = this.context.createGain();\n\t        /**\n\t\t\t *  The gain parameter of the gain node.\n\t\t\t *  @type {Tone.Param}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.gain = new Tone.Param({\n\t            'param': this._gainNode.gain,\n\t            'units': options.units,\n\t            'value': options.gain,\n\t            'convert': options.convert\n\t        });\n\t        this._readOnly('gain');\n\t    };\n\t    Tone.extend(Tone.Gain);\n\t    /**\n\t\t *  The defaults\n\t\t *  @const\n\t\t *  @type  {Object}\n\t\t */\n\t    Tone.Gain.defaults = {\n\t        'gain': 1,\n\t        'convert': true\n\t    };\n\t    /**\n\t\t *  Clean up.\n\t\t *  @return  {Tone.Gain}  this\n\t\t */\n\t    Tone.Gain.prototype.dispose = function () {\n\t        Tone.Param.prototype.dispose.call(this);\n\t        this._gainNode.disconnect();\n\t        this._gainNode = null;\n\t        this._writable('gain');\n\t        this.gain.dispose();\n\t        this.gain = null;\n\t    };\n\t    //STATIC///////////////////////////////////////////////////////////////////\n\t    /**\n\t\t *  Create input and outputs for this object.\n\t\t *  @param  {Number}  input   The number of inputs\n\t\t *  @param  {Number=}  outputs  The number of outputs\n\t\t *  @return  {Tone}  this\n\t\t *  @internal\n\t\t */\n\t    Tone.prototype.createInsOuts = function (inputs, outputs) {\n\t        if (inputs === 1) {\n\t            this.input = new Tone.Gain();\n\t        } else if (inputs > 1) {\n\t            this.input = new Array(inputs);\n\t        }\n\t        if (outputs === 1) {\n\t            this.output = new Tone.Gain();\n\t        } else if (outputs > 1) {\n\t            this.output = new Array(inputs);\n\t        }\n\t    };\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    return Tone.Gain;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  A signal is an audio-rate value. Tone.Signal is a core component of the library.\n\t\t *          Unlike a number, Signals can be scheduled with sample-level accuracy. Tone.Signal\n\t\t *          has all of the methods available to native Web Audio \n\t\t *          [AudioParam](http://webaudio.github.io/web-audio-api/#the-audioparam-interface)\n\t\t *          as well as additional conveniences. Read more about working with signals \n\t\t *          [here](https://github.com/Tonejs/Tone.js/wiki/Signals).\n\t\t *\n\t\t *  @constructor\n\t\t *  @extends {Tone.Param}\n\t\t *  @param {Number|AudioParam} [value] Initial value of the signal. If an AudioParam\n\t\t *                                     is passed in, that parameter will be wrapped\n\t\t *                                     and controlled by the Signal. \n\t\t *  @param {string} [units=Number] unit The units the signal is in. \n\t\t *  @example\n\t\t * var signal = new Tone.Signal(10);\n\t\t */\n\t    Tone.Signal = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'value',\n\t            'units'\n\t        ], Tone.Signal.defaults);\n\t        /**\n\t\t\t * The node where the constant signal value is scaled.\n\t\t\t * @type {GainNode}\n\t\t\t * @private\n\t\t\t */\n\t        this.output = this._gain = this.context.createGain();\n\t        options.param = this._gain.gain;\n\t        Tone.Param.call(this, options);\n\t        /**\n\t\t\t * The node where the value is set.\n\t\t\t * @type {Tone.Param}\n\t\t\t * @private\n\t\t\t */\n\t        this.input = this._param = this._gain.gain;\n\t        //connect the const output to the node output\n\t        this.context.getConstant(1).chain(this._gain);\n\t    };\n\t    Tone.extend(Tone.Signal, Tone.Param);\n\t    /**\n\t\t *  The default values\n\t\t *  @type  {Object}\n\t\t *  @static\n\t\t *  @const\n\t\t */\n\t    Tone.Signal.defaults = {\n\t        'value': 0,\n\t        'units': Tone.Type.Default,\n\t        'convert': true\n\t    };\n\t    /**\n\t\t *  When signals connect to other signals or AudioParams, \n\t\t *  they take over the output value of that signal or AudioParam. \n\t\t *  For all other nodes, the behavior is the same as a default <code>connect</code>. \n\t\t *\n\t\t *  @override\n\t\t *  @param {AudioParam|AudioNode|Tone.Signal|Tone} node \n\t\t *  @param {number} [outputNumber=0] The output number to connect from.\n\t\t *  @param {number} [inputNumber=0] The input number to connect to.\n\t\t *  @returns {Tone.SignalBase} this\n\t\t *  @method\n\t\t */\n\t    Tone.Signal.prototype.connect = Tone.SignalBase.prototype.connect;\n\t    /**\n\t\t *  dispose and disconnect\n\t\t *  @returns {Tone.Signal} this\n\t\t */\n\t    Tone.Signal.prototype.dispose = function () {\n\t        Tone.Param.prototype.dispose.call(this);\n\t        this._param = null;\n\t        this._gain.disconnect();\n\t        this._gain = null;\n\t        return this;\n\t    };\n\t    return Tone.Signal;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class A Timeline class for scheduling and maintaining state\n\t\t *         along a timeline. All events must have a \"time\" property. \n\t\t *         Internally, events are stored in time order for fast \n\t\t *         retrieval.\n\t\t *  @extends {Tone}\n\t\t *  @param {Positive} [memory=Infinity] The number of previous events that are retained.\n\t\t */\n\t    Tone.Timeline = function () {\n\t        var options = this.optionsObject(arguments, ['memory'], Tone.Timeline.defaults);\n\t        /**\n\t\t\t *  The array of scheduled timeline events\n\t\t\t *  @type  {Array}\n\t\t\t *  @private\n\t\t\t */\n\t        this._timeline = [];\n\t        /**\n\t\t\t *  An array of items to remove from the list. \n\t\t\t *  @type {Array}\n\t\t\t *  @private\n\t\t\t */\n\t        this._toRemove = [];\n\t        /**\n\t\t\t *  Flag if the tieline is mid iteration\n\t\t\t *  @private\n\t\t\t *  @type {Boolean}\n\t\t\t */\n\t        this._iterating = false;\n\t        /**\n\t\t\t *  The memory of the timeline, i.e.\n\t\t\t *  how many events in the past it will retain\n\t\t\t *  @type {Positive}\n\t\t\t */\n\t        this.memory = options.memory;\n\t    };\n\t    Tone.extend(Tone.Timeline);\n\t    /**\n\t\t *  the default parameters\n\t\t *  @static\n\t\t *  @const\n\t\t */\n\t    Tone.Timeline.defaults = { 'memory': Infinity };\n\t    /**\n\t\t *  The number of items in the timeline.\n\t\t *  @type {Number}\n\t\t *  @memberOf Tone.Timeline#\n\t\t *  @name length\n\t\t *  @readOnly\n\t\t */\n\t    Object.defineProperty(Tone.Timeline.prototype, 'length', {\n\t        get: function () {\n\t            return this._timeline.length;\n\t        }\n\t    });\n\t    /**\n\t\t *  Insert an event object onto the timeline. Events must have a \"time\" attribute.\n\t\t *  @param  {Object}  event  The event object to insert into the \n\t\t *                           timeline. \n\t\t *  @returns {Tone.Timeline} this\n\t\t */\n\t    Tone.Timeline.prototype.add = function (event) {\n\t        //the event needs to have a time attribute\n\t        if (this.isUndef(event.time)) {\n\t            throw new Error('Tone.Timeline: events must have a time attribute');\n\t        }\n\t        if (this._timeline.length) {\n\t            var index = this._search(event.time);\n\t            this._timeline.splice(index + 1, 0, event);\n\t        } else {\n\t            this._timeline.push(event);\n\t        }\n\t        //if the length is more than the memory, remove the previous ones\n\t        if (this.length > this.memory) {\n\t            var diff = this.length - this.memory;\n\t            this._timeline.splice(0, diff);\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Remove an event from the timeline.\n\t\t *  @param  {Object}  event  The event object to remove from the list.\n\t\t *  @returns {Tone.Timeline} this\n\t\t */\n\t    Tone.Timeline.prototype.remove = function (event) {\n\t        if (this._iterating) {\n\t            this._toRemove.push(event);\n\t        } else {\n\t            var index = this._timeline.indexOf(event);\n\t            if (index !== -1) {\n\t                this._timeline.splice(index, 1);\n\t            }\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Get the nearest event whose time is less than or equal to the given time.\n\t\t *  @param  {Number}  time  The time to query.\n\t\t *  @returns {Object} The event object set after that time.\n\t\t */\n\t    Tone.Timeline.prototype.get = function (time) {\n\t        var index = this._search(time);\n\t        if (index !== -1) {\n\t            return this._timeline[index];\n\t        } else {\n\t            return null;\n\t        }\n\t    };\n\t    /**\n\t\t *  Return the first event in the timeline without removing it\n\t\t *  @returns {Object} The first event object\n\t\t */\n\t    Tone.Timeline.prototype.peek = function () {\n\t        return this._timeline[0];\n\t    };\n\t    /**\n\t\t *  Return the first event in the timeline and remove it\n\t\t *  @returns {Object} The first event object\n\t\t */\n\t    Tone.Timeline.prototype.shift = function () {\n\t        return this._timeline.shift();\n\t    };\n\t    /**\n\t\t *  Get the event which is scheduled after the given time.\n\t\t *  @param  {Number}  time  The time to query.\n\t\t *  @returns {Object} The event object after the given time\n\t\t */\n\t    Tone.Timeline.prototype.getAfter = function (time) {\n\t        var index = this._search(time);\n\t        if (index + 1 < this._timeline.length) {\n\t            return this._timeline[index + 1];\n\t        } else {\n\t            return null;\n\t        }\n\t    };\n\t    /**\n\t\t *  Get the event before the event at the given time.\n\t\t *  @param  {Number}  time  The time to query.\n\t\t *  @returns {Object} The event object before the given time\n\t\t */\n\t    Tone.Timeline.prototype.getBefore = function (time) {\n\t        var len = this._timeline.length;\n\t        //if it's after the last item, return the last item\n\t        if (len > 0 && this._timeline[len - 1].time < time) {\n\t            return this._timeline[len - 1];\n\t        }\n\t        var index = this._search(time);\n\t        if (index - 1 >= 0) {\n\t            return this._timeline[index - 1];\n\t        } else {\n\t            return null;\n\t        }\n\t    };\n\t    /**\n\t\t *  Cancel events after the given time\n\t\t *  @param  {Number}  time  The time to query.\n\t\t *  @returns {Tone.Timeline} this\n\t\t */\n\t    Tone.Timeline.prototype.cancel = function (after) {\n\t        if (this._timeline.length > 1) {\n\t            var index = this._search(after);\n\t            if (index >= 0) {\n\t                if (this._timeline[index].time === after) {\n\t                    //get the first item with that time\n\t                    for (var i = index; i >= 0; i--) {\n\t                        if (this._timeline[i].time === after) {\n\t                            index = i;\n\t                        } else {\n\t                            break;\n\t                        }\n\t                    }\n\t                    this._timeline = this._timeline.slice(0, index);\n\t                } else {\n\t                    this._timeline = this._timeline.slice(0, index + 1);\n\t                }\n\t            } else {\n\t                this._timeline = [];\n\t            }\n\t        } else if (this._timeline.length === 1) {\n\t            //the first item's time\n\t            if (this._timeline[0].time >= after) {\n\t                this._timeline = [];\n\t            }\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Cancel events before or equal to the given time.\n\t\t *  @param  {Number}  time  The time to cancel before.\n\t\t *  @returns {Tone.Timeline} this\n\t\t */\n\t    Tone.Timeline.prototype.cancelBefore = function (time) {\n\t        if (this._timeline.length) {\n\t            var index = this._search(time);\n\t            if (index >= 0) {\n\t                this._timeline = this._timeline.slice(index + 1);\n\t            }\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Does a binary serach on the timeline array and returns the \n\t\t *  nearest event index whose time is after or equal to the given time.\n\t\t *  If a time is searched before the first index in the timeline, -1 is returned.\n\t\t *  If the time is after the end, the index of the last item is returned.\n\t\t *  @param  {Number}  time  \n\t\t *  @return  {Number} the index in the timeline array \n\t\t *  @private\n\t\t */\n\t    Tone.Timeline.prototype._search = function (time) {\n\t        var beginning = 0;\n\t        var len = this._timeline.length;\n\t        var end = len;\n\t        if (len > 0 && this._timeline[len - 1].time <= time) {\n\t            return len - 1;\n\t        }\n\t        while (beginning < end) {\n\t            // calculate the midpoint for roughly equal partition\n\t            var midPoint = Math.floor(beginning + (end - beginning) / 2);\n\t            var event = this._timeline[midPoint];\n\t            var nextEvent = this._timeline[midPoint + 1];\n\t            if (event.time === time) {\n\t                //choose the last one that has the same time\n\t                for (var i = midPoint; i < this._timeline.length; i++) {\n\t                    var testEvent = this._timeline[i];\n\t                    if (testEvent.time === time) {\n\t                        midPoint = i;\n\t                    }\n\t                }\n\t                return midPoint;\n\t            } else if (event.time < time && nextEvent.time > time) {\n\t                return midPoint;\n\t            } else if (event.time > time) {\n\t                //search lower\n\t                end = midPoint;\n\t            } else if (event.time < time) {\n\t                //search upper\n\t                beginning = midPoint + 1;\n\t            }\n\t        }\n\t        return -1;\n\t    };\n\t    /**\n\t\t *  Internal iterator. Applies extra safety checks for \n\t\t *  removing items from the array. \n\t\t *  @param  {Function}  callback \n\t\t *  @param  {Number=}    lowerBound     \n\t\t *  @param  {Number=}    upperBound    \n\t\t *  @private\n\t\t */\n\t    Tone.Timeline.prototype._iterate = function (callback, lowerBound, upperBound) {\n\t        this._iterating = true;\n\t        lowerBound = this.defaultArg(lowerBound, 0);\n\t        upperBound = this.defaultArg(upperBound, this._timeline.length - 1);\n\t        for (var i = lowerBound; i <= upperBound; i++) {\n\t            callback(this._timeline[i]);\n\t        }\n\t        this._iterating = false;\n\t        if (this._toRemove.length > 0) {\n\t            for (var j = 0; j < this._toRemove.length; j++) {\n\t                var index = this._timeline.indexOf(this._toRemove[j]);\n\t                if (index !== -1) {\n\t                    this._timeline.splice(index, 1);\n\t                }\n\t            }\n\t            this._toRemove = [];\n\t        }\n\t    };\n\t    /**\n\t\t *  Iterate over everything in the array\n\t\t *  @param  {Function}  callback The callback to invoke with every item\n\t\t *  @returns {Tone.Timeline} this\n\t\t */\n\t    Tone.Timeline.prototype.forEach = function (callback) {\n\t        this._iterate(callback);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Iterate over everything in the array at or before the given time.\n\t\t *  @param  {Number}  time The time to check if items are before\n\t\t *  @param  {Function}  callback The callback to invoke with every item\n\t\t *  @returns {Tone.Timeline} this\n\t\t */\n\t    Tone.Timeline.prototype.forEachBefore = function (time, callback) {\n\t        //iterate over the items in reverse so that removing an item doesn't break things\n\t        var upperBound = this._search(time);\n\t        if (upperBound !== -1) {\n\t            this._iterate(callback, 0, upperBound);\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Iterate over everything in the array after the given time.\n\t\t *  @param  {Number}  time The time to check if items are before\n\t\t *  @param  {Function}  callback The callback to invoke with every item\n\t\t *  @returns {Tone.Timeline} this\n\t\t */\n\t    Tone.Timeline.prototype.forEachAfter = function (time, callback) {\n\t        //iterate over the items in reverse so that removing an item doesn't break things\n\t        var lowerBound = this._search(time);\n\t        this._iterate(callback, lowerBound + 1);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Iterate over everything in the array at or after the given time. Similar to \n\t\t *  forEachAfter, but includes the item(s) at the given time.\n\t\t *  @param  {Number}  time The time to check if items are before\n\t\t *  @param  {Function}  callback The callback to invoke with every item\n\t\t *  @returns {Tone.Timeline} this\n\t\t */\n\t    Tone.Timeline.prototype.forEachFrom = function (time, callback) {\n\t        //iterate over the items in reverse so that removing an item doesn't break things\n\t        var lowerBound = this._search(time);\n\t        //work backwards until the event time is less than time\n\t        while (lowerBound >= 0 && this._timeline[lowerBound].time >= time) {\n\t            lowerBound--;\n\t        }\n\t        this._iterate(callback, lowerBound + 1);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Iterate over everything in the array at the given time\n\t\t *  @param  {Number}  time The time to check if items are before\n\t\t *  @param  {Function}  callback The callback to invoke with every item\n\t\t *  @returns {Tone.Timeline} this\n\t\t */\n\t    Tone.Timeline.prototype.forEachAtTime = function (time, callback) {\n\t        //iterate over the items in reverse so that removing an item doesn't break things\n\t        var upperBound = this._search(time);\n\t        if (upperBound !== -1) {\n\t            this._iterate(function (event) {\n\t                if (event.time === time) {\n\t                    callback(event);\n\t                }\n\t            }, 0, upperBound);\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Clean up.\n\t\t *  @return  {Tone.Timeline}  this\n\t\t */\n\t    Tone.Timeline.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._timeline = null;\n\t        this._toRemove = null;\n\t    };\n\t    return Tone.Timeline;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class A signal which adds the method getValueAtTime. \n\t\t *         Code and inspiration from https://github.com/jsantell/web-audio-automation-timeline\n\t\t *  @extends {Tone.Param}\n\t\t *  @param {Number=} value The initial value of the signal\n\t\t *  @param {String=} units The conversion units of the signal.\n\t\t */\n\t    Tone.TimelineSignal = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'value',\n\t            'units'\n\t        ], Tone.Signal.defaults);\n\t        /**\n\t\t\t *  The scheduled events\n\t\t\t *  @type {Tone.Timeline}\n\t\t\t *  @private\n\t\t\t */\n\t        this._events = new Tone.Timeline(10);\n\t        //constructors\n\t        Tone.Signal.apply(this, options);\n\t        options.param = this._param;\n\t        Tone.Param.call(this, options);\n\t        /**\n\t\t\t *  The initial scheduled value\n\t\t\t *  @type {Number}\n\t\t\t *  @private\n\t\t\t */\n\t        this._initial = this._fromUnits(this._param.value);\n\t    };\n\t    Tone.extend(Tone.TimelineSignal, Tone.Param);\n\t    /**\n\t\t *  The event types of a schedulable signal.\n\t\t *  @enum {String}\n\t\t *  @private\n\t\t */\n\t    Tone.TimelineSignal.Type = {\n\t        Linear: 'linear',\n\t        Exponential: 'exponential',\n\t        Target: 'target',\n\t        Curve: 'curve',\n\t        Set: 'set'\n\t    };\n\t    /**\n\t\t * The current value of the signal. \n\t\t * @memberOf Tone.TimelineSignal#\n\t\t * @type {Number}\n\t\t * @name value\n\t\t */\n\t    Object.defineProperty(Tone.TimelineSignal.prototype, 'value', {\n\t        get: function () {\n\t            var now = this.now();\n\t            var val = this.getValueAtTime(now);\n\t            return this._toUnits(val);\n\t        },\n\t        set: function (value) {\n\t            var convertedVal = this._fromUnits(value);\n\t            this._initial = convertedVal;\n\t            this.cancelScheduledValues();\n\t            this._param.value = convertedVal;\n\t        }\n\t    });\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    //\tSCHEDULING\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    /**\n\t\t *  Schedules a parameter value change at the given time.\n\t\t *  @param {*}\tvalue The value to set the signal.\n\t\t *  @param {Time}  time The time when the change should occur.\n\t\t *  @returns {Tone.TimelineSignal} this\n\t\t *  @example\n\t\t * //set the frequency to \"G4\" in exactly 1 second from now. \n\t\t * freq.setValueAtTime(\"G4\", \"+1\");\n\t\t */\n\t    Tone.TimelineSignal.prototype.setValueAtTime = function (value, startTime) {\n\t        value = this._fromUnits(value);\n\t        startTime = this.toSeconds(startTime);\n\t        this._events.add({\n\t            'type': Tone.TimelineSignal.Type.Set,\n\t            'value': value,\n\t            'time': startTime\n\t        });\n\t        //invoke the original event\n\t        this._param.setValueAtTime(value, startTime);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Schedules a linear continuous change in parameter value from the \n\t\t *  previous scheduled parameter value to the given value.\n\t\t *  \n\t\t *  @param  {number} value   \n\t\t *  @param  {Time} endTime \n\t\t *  @returns {Tone.TimelineSignal} this\n\t\t */\n\t    Tone.TimelineSignal.prototype.linearRampToValueAtTime = function (value, endTime) {\n\t        value = this._fromUnits(value);\n\t        endTime = this.toSeconds(endTime);\n\t        this._events.add({\n\t            'type': Tone.TimelineSignal.Type.Linear,\n\t            'value': value,\n\t            'time': endTime\n\t        });\n\t        this._param.linearRampToValueAtTime(value, endTime);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Schedules an exponential continuous change in parameter value from \n\t\t *  the previous scheduled parameter value to the given value.\n\t\t *  \n\t\t *  @param  {number} value   \n\t\t *  @param  {Time} endTime \n\t\t *  @returns {Tone.TimelineSignal} this\n\t\t */\n\t    Tone.TimelineSignal.prototype.exponentialRampToValueAtTime = function (value, endTime) {\n\t        //get the previous event and make sure it's not starting from 0\n\t        endTime = this.toSeconds(endTime);\n\t        var beforeEvent = this._searchBefore(endTime);\n\t        if (beforeEvent && beforeEvent.value === 0) {\n\t            //reschedule that event\n\t            this.setValueAtTime(this._minOutput, beforeEvent.time);\n\t        }\n\t        value = this._fromUnits(value);\n\t        var setValue = Math.max(value, this._minOutput);\n\t        this._events.add({\n\t            'type': Tone.TimelineSignal.Type.Exponential,\n\t            'value': setValue,\n\t            'time': endTime\n\t        });\n\t        //if the ramped to value is 0, make it go to the min output, and then set to 0.\n\t        if (value < this._minOutput) {\n\t            this._param.exponentialRampToValueAtTime(this._minOutput, endTime - this.sampleTime);\n\t            this.setValueAtTime(0, endTime);\n\t        } else {\n\t            this._param.exponentialRampToValueAtTime(value, endTime);\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Start exponentially approaching the target value at the given time with\n\t\t *  a rate having the given time constant.\n\t\t *  @param {number} value        \n\t\t *  @param {Time} startTime    \n\t\t *  @param {number} timeConstant \n\t\t *  @returns {Tone.TimelineSignal} this \n\t\t */\n\t    Tone.TimelineSignal.prototype.setTargetAtTime = function (value, startTime, timeConstant) {\n\t        value = this._fromUnits(value);\n\t        value = Math.max(this._minOutput, value);\n\t        timeConstant = Math.max(this._minOutput, timeConstant);\n\t        startTime = this.toSeconds(startTime);\n\t        this._events.add({\n\t            'type': Tone.TimelineSignal.Type.Target,\n\t            'value': value,\n\t            'time': startTime,\n\t            'constant': timeConstant\n\t        });\n\t        this._param.setTargetAtTime(value, startTime, timeConstant);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Set an array of arbitrary values starting at the given time for the given duration.\n\t\t *  @param {Float32Array} values        \n\t\t *  @param {Time} startTime    \n\t\t *  @param {Time} duration\n\t\t *  @param {NormalRange} [scaling=1] If the values in the curve should be scaled by some value\n\t\t *  @returns {Tone.TimelineSignal} this \n\t\t */\n\t    Tone.TimelineSignal.prototype.setValueCurveAtTime = function (values, startTime, duration, scaling) {\n\t        scaling = this.defaultArg(scaling, 1);\n\t        //copy the array\n\t        var floats = new Array(values.length);\n\t        for (var i = 0; i < floats.length; i++) {\n\t            floats[i] = this._fromUnits(values[i]) * scaling;\n\t        }\n\t        startTime = this.toSeconds(startTime);\n\t        duration = this.toSeconds(duration);\n\t        this._events.add({\n\t            'type': Tone.TimelineSignal.Type.Curve,\n\t            'value': floats,\n\t            'time': startTime,\n\t            'duration': duration\n\t        });\n\t        //set the first value\n\t        this._param.setValueAtTime(floats[0], startTime);\n\t        //schedule a lienar ramp for each of the segments\n\t        for (var j = 1; j < floats.length; j++) {\n\t            var segmentTime = startTime + j / (floats.length - 1) * duration;\n\t            this._param.linearRampToValueAtTime(floats[j], segmentTime);\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Cancels all scheduled parameter changes with times greater than or \n\t\t *  equal to startTime.\n\t\t *  \n\t\t *  @param  {Time} startTime\n\t\t *  @returns {Tone.TimelineSignal} this\n\t\t */\n\t    Tone.TimelineSignal.prototype.cancelScheduledValues = function (after) {\n\t        after = this.toSeconds(after);\n\t        this._events.cancel(after);\n\t        this._param.cancelScheduledValues(after);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Sets the computed value at the given time. This provides\n\t\t *  a point from which a linear or exponential curve\n\t\t *  can be scheduled after. Will cancel events after \n\t\t *  the given time and shorten the currently scheduled\n\t\t *  linear or exponential ramp so that it ends at `time` .\n\t\t *  This is to avoid discontinuities and clicks in envelopes. \n\t\t *  @param {Time} time When to set the ramp point\n\t\t *  @returns {Tone.TimelineSignal} this\n\t\t */\n\t    Tone.TimelineSignal.prototype.setRampPoint = function (time) {\n\t        time = this.toSeconds(time);\n\t        //get the value at the given time\n\t        var val = this._toUnits(this.getValueAtTime(time));\n\t        //if there is an event at the given time\n\t        //and that even is not a \"set\"\n\t        var before = this._searchBefore(time);\n\t        if (before && before.time === time) {\n\t            //remove everything after\n\t            this.cancelScheduledValues(time + this.sampleTime);\n\t        } else if (before && before.type === Tone.TimelineSignal.Type.Curve && before.time + before.duration > time) {\n\t            //if the curve is still playing\n\t            //cancel the curve\n\t            this.cancelScheduledValues(time);\n\t            this.linearRampToValueAtTime(val, time);\n\t        } else {\n\t            //reschedule the next event to end at the given time\n\t            var after = this._searchAfter(time);\n\t            if (after) {\n\t                //cancel the next event(s)\n\t                this.cancelScheduledValues(time);\n\t                if (after.type === Tone.TimelineSignal.Type.Linear) {\n\t                    this.linearRampToValueAtTime(val, time);\n\t                } else if (after.type === Tone.TimelineSignal.Type.Exponential) {\n\t                    this.exponentialRampToValueAtTime(val, time);\n\t                }\n\t            }\n\t            this.setValueAtTime(val, time);\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Do a linear ramp to the given value between the start and finish times.\n\t\t *  @param {Number} value The value to ramp to.\n\t\t *  @param {Time} start The beginning anchor point to do the linear ramp\n\t\t *  @param {Time} finish The ending anchor point by which the value of\n\t\t *                       the signal will equal the given value.\n\t\t *  @returns {Tone.TimelineSignal} this\n\t\t */\n\t    Tone.TimelineSignal.prototype.linearRampToValueBetween = function (value, start, finish) {\n\t        this.setRampPoint(start);\n\t        this.linearRampToValueAtTime(value, finish);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Do a exponential ramp to the given value between the start and finish times.\n\t\t *  @param {Number} value The value to ramp to.\n\t\t *  @param {Time} start The beginning anchor point to do the exponential ramp\n\t\t *  @param {Time} finish The ending anchor point by which the value of\n\t\t *                       the signal will equal the given value.\n\t\t *  @returns {Tone.TimelineSignal} this\n\t\t */\n\t    Tone.TimelineSignal.prototype.exponentialRampToValueBetween = function (value, start, finish) {\n\t        this.setRampPoint(start);\n\t        this.exponentialRampToValueAtTime(value, finish);\n\t        return this;\n\t    };\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    //\tGETTING SCHEDULED VALUES\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    /**\n\t\t *  Returns the value before or equal to the given time\n\t\t *  @param  {Number}  time  The time to query\n\t\t *  @return  {Object}  The event at or before the given time.\n\t\t *  @private\n\t\t */\n\t    Tone.TimelineSignal.prototype._searchBefore = function (time) {\n\t        return this._events.get(time);\n\t    };\n\t    /**\n\t\t *  The event after the given time\n\t\t *  @param  {Number}  time  The time to query.\n\t\t *  @return  {Object}  The next event after the given time\n\t\t *  @private\n\t\t */\n\t    Tone.TimelineSignal.prototype._searchAfter = function (time) {\n\t        return this._events.getAfter(time);\n\t    };\n\t    /**\n\t\t *  Get the scheduled value at the given time. This will\n\t\t *  return the unconverted (raw) value.\n\t\t *  @param  {Number}  time  The time in seconds.\n\t\t *  @return  {Number}  The scheduled value at the given time.\n\t\t */\n\t    Tone.TimelineSignal.prototype.getValueAtTime = function (time) {\n\t        time = this.toSeconds(time);\n\t        var after = this._searchAfter(time);\n\t        var before = this._searchBefore(time);\n\t        var value = this._initial;\n\t        //if it was set by\n\t        if (before === null) {\n\t            value = this._initial;\n\t        } else if (before.type === Tone.TimelineSignal.Type.Target) {\n\t            var previous = this._events.getBefore(before.time);\n\t            var previouVal;\n\t            if (previous === null) {\n\t                previouVal = this._initial;\n\t            } else {\n\t                previouVal = previous.value;\n\t            }\n\t            value = this._exponentialApproach(before.time, previouVal, before.value, before.constant, time);\n\t        } else if (before.type === Tone.TimelineSignal.Type.Curve) {\n\t            value = this._curveInterpolate(before.time, before.value, before.duration, time);\n\t        } else if (after === null) {\n\t            value = before.value;\n\t        } else if (after.type === Tone.TimelineSignal.Type.Linear) {\n\t            value = this._linearInterpolate(before.time, before.value, after.time, after.value, time);\n\t        } else if (after.type === Tone.TimelineSignal.Type.Exponential) {\n\t            value = this._exponentialInterpolate(before.time, before.value, after.time, after.value, time);\n\t        } else {\n\t            value = before.value;\n\t        }\n\t        return value;\n\t    };\n\t    /**\n\t\t *  When signals connect to other signals or AudioParams, \n\t\t *  they take over the output value of that signal or AudioParam. \n\t\t *  For all other nodes, the behavior is the same as a default <code>connect</code>. \n\t\t *\n\t\t *  @override\n\t\t *  @param {AudioParam|AudioNode|Tone.Signal|Tone} node \n\t\t *  @param {number} [outputNumber=0] The output number to connect from.\n\t\t *  @param {number} [inputNumber=0] The input number to connect to.\n\t\t *  @returns {Tone.TimelineSignal} this\n\t\t *  @method\n\t\t */\n\t    Tone.TimelineSignal.prototype.connect = Tone.SignalBase.prototype.connect;\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    //\tAUTOMATION CURVE CALCULATIONS\n\t    //\tMIT License, copyright (c) 2014 Jordan Santell\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    /**\n\t\t *  Calculates the the value along the curve produced by setTargetAtTime\n\t\t *  @private\n\t\t */\n\t    Tone.TimelineSignal.prototype._exponentialApproach = function (t0, v0, v1, timeConstant, t) {\n\t        return v1 + (v0 - v1) * Math.exp(-(t - t0) / timeConstant);\n\t    };\n\t    /**\n\t\t *  Calculates the the value along the curve produced by linearRampToValueAtTime\n\t\t *  @private\n\t\t */\n\t    Tone.TimelineSignal.prototype._linearInterpolate = function (t0, v0, t1, v1, t) {\n\t        return v0 + (v1 - v0) * ((t - t0) / (t1 - t0));\n\t    };\n\t    /**\n\t\t *  Calculates the the value along the curve produced by exponentialRampToValueAtTime\n\t\t *  @private\n\t\t */\n\t    Tone.TimelineSignal.prototype._exponentialInterpolate = function (t0, v0, t1, v1, t) {\n\t        v0 = Math.max(this._minOutput, v0);\n\t        return v0 * Math.pow(v1 / v0, (t - t0) / (t1 - t0));\n\t    };\n\t    /**\n\t\t *  Calculates the the value along the curve produced by setValueCurveAtTime\n\t\t *  @private\n\t\t */\n\t    Tone.TimelineSignal.prototype._curveInterpolate = function (start, curve, duration, time) {\n\t        var len = curve.length;\n\t        // If time is after duration, return the last curve value\n\t        if (time >= start + duration) {\n\t            return curve[len - 1];\n\t        } else if (time <= start) {\n\t            return curve[0];\n\t        } else {\n\t            var progress = (time - start) / duration;\n\t            var lowerIndex = Math.floor((len - 1) * progress);\n\t            var upperIndex = Math.ceil((len - 1) * progress);\n\t            var lowerVal = curve[lowerIndex];\n\t            var upperVal = curve[upperIndex];\n\t            if (upperIndex === lowerIndex) {\n\t                return lowerVal;\n\t            } else {\n\t                return this._linearInterpolate(lowerIndex, lowerVal, upperIndex, upperVal, progress * (len - 1));\n\t            }\n\t        }\n\t    };\n\t    /**\n\t\t *  Clean up.\n\t\t *  @return {Tone.TimelineSignal} this\n\t\t */\n\t    Tone.TimelineSignal.prototype.dispose = function () {\n\t        Tone.Signal.prototype.dispose.call(this);\n\t        Tone.Param.prototype.dispose.call(this);\n\t        this._events.dispose();\n\t        this._events = null;\n\t    };\n\t    return Tone.TimelineSignal;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Pow applies an exponent to the incoming signal. The incoming signal\n\t\t *         must be AudioRange.\n\t\t *\n\t\t *  @extends {Tone.SignalBase}\n\t\t *  @constructor\n\t\t *  @param {Positive} exp The exponent to apply to the incoming signal, must be at least 2. \n\t\t *  @example\n\t\t * var pow = new Tone.Pow(2);\n\t\t * var sig = new Tone.Signal(0.5).connect(pow);\n\t\t * //output of pow is 0.25. \n\t\t */\n\t    Tone.Pow = function (exp) {\n\t        /**\n\t\t\t * the exponent\n\t\t\t * @private\n\t\t\t * @type {number}\n\t\t\t */\n\t        this._exp = this.defaultArg(exp, 1);\n\t        /**\n\t\t\t *  @type {WaveShaperNode}\n\t\t\t *  @private\n\t\t\t */\n\t        this._expScaler = this.input = this.output = new Tone.WaveShaper(this._expFunc(this._exp), 8192);\n\t    };\n\t    Tone.extend(Tone.Pow, Tone.SignalBase);\n\t    /**\n\t\t * The value of the exponent.\n\t\t * @memberOf Tone.Pow#\n\t\t * @type {number}\n\t\t * @name value\n\t\t */\n\t    Object.defineProperty(Tone.Pow.prototype, 'value', {\n\t        get: function () {\n\t            return this._exp;\n\t        },\n\t        set: function (exp) {\n\t            this._exp = exp;\n\t            this._expScaler.setMap(this._expFunc(this._exp));\n\t        }\n\t    });\n\t    /**\n\t\t *  the function which maps the waveshaper\n\t\t *  @param   {number} exp\n\t\t *  @return {function}\n\t\t *  @private\n\t\t */\n\t    Tone.Pow.prototype._expFunc = function (exp) {\n\t        return function (val) {\n\t            return Math.pow(Math.abs(val), exp);\n\t        };\n\t    };\n\t    /**\n\t\t *  Clean up.\n\t\t *  @returns {Tone.Pow} this\n\t\t */\n\t    Tone.Pow.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._expScaler.dispose();\n\t        this._expScaler = null;\n\t        return this;\n\t    };\n\t    return Tone.Pow;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  Tone.Envelope is an [ADSR](https://en.wikipedia.org/wiki/Synthesizer#ADSR_envelope)\n\t\t *          envelope generator. Tone.Envelope outputs a signal which \n\t\t *          can be connected to an AudioParam or Tone.Signal. \n\t\t *          <img src=\"https://upload.wikimedia.org/wikipedia/commons/e/ea/ADSR_parameter.svg\">\n\t\t *\n\t\t *  @constructor\n\t\t *  @extends {Tone}\n\t\t *  @param {Time} [attack] The amount of time it takes for the envelope to go from \n\t\t *                         0 to it's maximum value. \n\t\t *  @param {Time} [decay]\tThe period of time after the attack that it takes for the envelope\n\t\t *                       \tto fall to the sustain value. \n\t\t *  @param {NormalRange} [sustain]\tThe percent of the maximum value that the envelope rests at until\n\t\t *                                \tthe release is triggered. \n\t\t *  @param {Time} [release]\tThe amount of time after the release is triggered it takes to reach 0. \n\t\t *  @example\n\t\t * //an amplitude envelope\n\t\t * var gainNode = Tone.context.createGain();\n\t\t * var env = new Tone.Envelope({\n\t\t * \t\"attack\" : 0.1,\n\t\t * \t\"decay\" : 0.2,\n\t\t * \t\"sustain\" : 1,\n\t\t * \t\"release\" : 0.8,\n\t\t * });\n\t\t * env.connect(gainNode.gain);\n\t\t */\n\t    Tone.Envelope = function () {\n\t        //get all of the defaults\n\t        var options = this.optionsObject(arguments, [\n\t            'attack',\n\t            'decay',\n\t            'sustain',\n\t            'release'\n\t        ], Tone.Envelope.defaults);\n\t        /** \n\t\t\t *  When triggerAttack is called, the attack time is the amount of\n\t\t\t *  time it takes for the envelope to reach it's maximum value. \n\t\t\t *  @type {Time}\n\t\t\t */\n\t        this.attack = options.attack;\n\t        /**\n\t\t\t *  After the attack portion of the envelope, the value will fall\n\t\t\t *  over the duration of the decay time to it's sustain value. \n\t\t\t *  @type {Time}\n\t\t\t */\n\t        this.decay = options.decay;\n\t        /**\n\t\t\t * \tThe sustain value is the value \n\t\t\t * \twhich the envelope rests at after triggerAttack is\n\t\t\t * \tcalled, but before triggerRelease is invoked. \n\t\t\t *  @type {NormalRange}\n\t\t\t */\n\t        this.sustain = options.sustain;\n\t        /**\n\t\t\t *  After triggerRelease is called, the envelope's\n\t\t\t *  value will fall to it's miminum value over the\n\t\t\t *  duration of the release time. \n\t\t\t *  @type {Time}\n\t\t\t */\n\t        this.release = options.release;\n\t        /**\n\t\t\t *  the next time the envelope is at standby\n\t\t\t *  @type {number}\n\t\t\t *  @private\n\t\t\t */\n\t        this._attackCurve = 'linear';\n\t        /**\n\t\t\t *  the next time the envelope is at standby\n\t\t\t *  @type {number}\n\t\t\t *  @private\n\t\t\t */\n\t        this._releaseCurve = 'exponential';\n\t        /**\n\t\t\t *  the signal\n\t\t\t *  @type {Tone.TimelineSignal}\n\t\t\t *  @private\n\t\t\t */\n\t        this._sig = this.output = new Tone.TimelineSignal();\n\t        this._sig.setValueAtTime(0, 0);\n\t        //set the attackCurve initially\n\t        this.attackCurve = options.attackCurve;\n\t        this.releaseCurve = options.releaseCurve;\n\t    };\n\t    Tone.extend(Tone.Envelope);\n\t    /**\n\t\t *  the default parameters\n\t\t *  @static\n\t\t *  @const\n\t\t */\n\t    Tone.Envelope.defaults = {\n\t        'attack': 0.01,\n\t        'decay': 0.1,\n\t        'sustain': 0.5,\n\t        'release': 1,\n\t        'attackCurve': 'linear',\n\t        'releaseCurve': 'exponential'\n\t    };\n\t    /**\n\t\t * Read the current value of the envelope. Useful for \n\t\t * syncronizing visual output to the envelope. \n\t\t * @memberOf Tone.Envelope#\n\t\t * @type {Number}\n\t\t * @name value\n\t\t * @readOnly\n\t\t */\n\t    Object.defineProperty(Tone.Envelope.prototype, 'value', {\n\t        get: function () {\n\t            return this.getValueAtTime(this.now());\n\t        }\n\t    });\n\t    /**\n\t\t * The shape of the attack. \n\t\t * Can be any of these strings:\n\t\t * <ul>\n\t\t *   <li>linear</li>\n\t\t *   <li>exponential</li>\n\t\t *   <li>sine</li>\n\t\t *   <li>cosine</li>\n\t\t *   <li>bounce</li>\n\t\t *   <li>ripple</li>\n\t\t *   <li>step</li>\n\t\t * </ul>\n\t\t * Can also be an array which describes the curve. Values\n\t\t * in the array are evenly subdivided and linearly\n\t\t * interpolated over the duration of the attack. \n\t\t * @memberOf Tone.Envelope#\n\t\t * @type {String|Array}\n\t\t * @name attackCurve\n\t\t * @example\n\t\t * env.attackCurve = \"linear\";\n\t\t * @example\n\t\t * //can also be an array\n\t\t * env.attackCurve = [0, 0.2, 0.3, 0.4, 1]\n\t\t */\n\t    Object.defineProperty(Tone.Envelope.prototype, 'attackCurve', {\n\t        get: function () {\n\t            if (this.isString(this._attackCurve)) {\n\t                return this._attackCurve;\n\t            } else if (this.isArray(this._attackCurve)) {\n\t                //look up the name in the curves array\n\t                for (var type in Tone.Envelope.Type) {\n\t                    if (Tone.Envelope.Type[type].In === this._attackCurve) {\n\t                        return type;\n\t                    }\n\t                }\n\t                //otherwise just return the array\n\t                return this._attackCurve;\n\t            }\n\t        },\n\t        set: function (curve) {\n\t            //check if it's a valid type\n\t            if (Tone.Envelope.Type.hasOwnProperty(curve)) {\n\t                var curveDef = Tone.Envelope.Type[curve];\n\t                if (this.isObject(curveDef)) {\n\t                    this._attackCurve = curveDef.In;\n\t                } else {\n\t                    this._attackCurve = curveDef;\n\t                }\n\t            } else if (this.isArray(curve)) {\n\t                this._attackCurve = curve;\n\t            } else {\n\t                throw new Error('Tone.Envelope: invalid curve: ' + curve);\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t * The shape of the release. See the attack curve types. \n\t\t * @memberOf Tone.Envelope#\n\t\t * @type {String|Array}\n\t\t * @name releaseCurve\n\t\t * @example\n\t\t * env.releaseCurve = \"linear\";\n\t\t */\n\t    Object.defineProperty(Tone.Envelope.prototype, 'releaseCurve', {\n\t        get: function () {\n\t            if (this.isString(this._releaseCurve)) {\n\t                return this._releaseCurve;\n\t            } else if (this.isArray(this._releaseCurve)) {\n\t                //look up the name in the curves array\n\t                for (var type in Tone.Envelope.Type) {\n\t                    if (Tone.Envelope.Type[type].Out === this._releaseCurve) {\n\t                        return type;\n\t                    }\n\t                }\n\t                //otherwise just return the array\n\t                return this._releaseCurve;\n\t            }\n\t        },\n\t        set: function (curve) {\n\t            //check if it's a valid type\n\t            if (Tone.Envelope.Type.hasOwnProperty(curve)) {\n\t                var curveDef = Tone.Envelope.Type[curve];\n\t                if (this.isObject(curveDef)) {\n\t                    this._releaseCurve = curveDef.Out;\n\t                } else {\n\t                    this._releaseCurve = curveDef;\n\t                }\n\t            } else if (this.isArray(curve)) {\n\t                this._releaseCurve = curve;\n\t            } else {\n\t                throw new Error('Tone.Envelope: invalid curve: ' + curve);\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t *  Trigger the attack/decay portion of the ADSR envelope. \n\t\t *  @param  {Time} [time=now] When the attack should start.\n\t\t *  @param {NormalRange} [velocity=1] The velocity of the envelope scales the vales.\n\t\t *                               number between 0-1\n\t\t *  @returns {Tone.Envelope} this\n\t\t *  @example\n\t\t *  //trigger the attack 0.5 seconds from now with a velocity of 0.2\n\t\t *  env.triggerAttack(\"+0.5\", 0.2);\n\t\t */\n\t    Tone.Envelope.prototype.triggerAttack = function (time, velocity) {\n\t        time = this.toSeconds(time);\n\t        var originalAttack = this.toSeconds(this.attack);\n\t        var attack = originalAttack;\n\t        var decay = this.toSeconds(this.decay);\n\t        velocity = this.defaultArg(velocity, 1);\n\t        //check if it's not a complete attack\n\t        var currentValue = this.getValueAtTime(time);\n\t        if (currentValue > 0) {\n\t            //subtract the current value from the attack time\n\t            var attackRate = 1 / attack;\n\t            var remainingDistance = 1 - currentValue;\n\t            //the attack is now the remaining time\n\t            attack = remainingDistance / attackRate;\n\t        }\n\t        //attack\n\t        if (this._attackCurve === 'linear') {\n\t            this._sig.linearRampToValue(velocity, attack, time);\n\t        } else if (this._attackCurve === 'exponential') {\n\t            this._sig.exponentialRampToValue(velocity, attack, time);\n\t        } else if (attack > 0) {\n\t            this._sig.setRampPoint(time);\n\t            var curve = this._attackCurve;\n\t            //take only a portion of the curve\n\t            if (attack < originalAttack) {\n\t                var percentComplete = 1 - attack / originalAttack;\n\t                var sliceIndex = Math.floor(percentComplete * this._attackCurve.length);\n\t                curve = this._attackCurve.slice(sliceIndex);\n\t                //the first index is the current value\n\t                curve[0] = currentValue;\n\t            }\n\t            this._sig.setValueCurveAtTime(curve, time, attack, velocity);\n\t        }\n\t        //decay\n\t        this._sig.exponentialRampToValue(velocity * this.sustain, decay, attack + time);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Triggers the release of the envelope.\n\t\t *  @param  {Time} [time=now] When the release portion of the envelope should start. \n\t\t *  @returns {Tone.Envelope} this\n\t\t *  @example\n\t\t *  //trigger release immediately\n\t\t *  env.triggerRelease();\n\t\t */\n\t    Tone.Envelope.prototype.triggerRelease = function (time) {\n\t        time = this.toSeconds(time);\n\t        var currentValue = this.getValueAtTime(time);\n\t        if (currentValue > 0) {\n\t            var release = this.toSeconds(this.release);\n\t            if (this._releaseCurve === 'linear') {\n\t                this._sig.linearRampToValue(0, release, time);\n\t            } else if (this._releaseCurve === 'exponential') {\n\t                this._sig.exponentialRampToValue(0, release, time);\n\t            } else {\n\t                var curve = this._releaseCurve;\n\t                if (this.isArray(curve)) {\n\t                    this._sig.setRampPoint(time);\n\t                    this._sig.setValueCurveAtTime(curve, time, release, currentValue);\n\t                }\n\t            }\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Get the scheduled value at the given time. This will\n\t\t *  return the unconverted (raw) value.\n\t\t *  @param  {Number}  time  The time in seconds.\n\t\t *  @return  {Number}  The scheduled value at the given time.\n\t\t */\n\t    Tone.Envelope.prototype.getValueAtTime = function (time) {\n\t        return this._sig.getValueAtTime(time);\n\t    };\n\t    /**\n\t\t *  triggerAttackRelease is shorthand for triggerAttack, then waiting\n\t\t *  some duration, then triggerRelease. \n\t\t *  @param {Time} duration The duration of the sustain.\n\t\t *  @param {Time} [time=now] When the attack should be triggered.\n\t\t *  @param {number} [velocity=1] The velocity of the envelope. \n\t\t *  @returns {Tone.Envelope} this\n\t\t *  @example\n\t\t * //trigger the attack and then the release after 0.6 seconds.\n\t\t * env.triggerAttackRelease(0.6);\n\t\t */\n\t    Tone.Envelope.prototype.triggerAttackRelease = function (duration, time, velocity) {\n\t        time = this.toSeconds(time);\n\t        this.triggerAttack(time, velocity);\n\t        this.triggerRelease(time + this.toSeconds(duration));\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Cancels all scheduled envelope changes after the given time.\n\t\t *  @param  {Time} after\n\t\t *  @returns {Tone.Envelope} this\n\t\t */\n\t    Tone.Envelope.prototype.cancel = function (after) {\n\t        this._sig.cancelScheduledValues(after);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Borrows the connect method from Tone.Signal. \n\t\t *  @function\n\t\t *  @private\n\t\t */\n\t    Tone.Envelope.prototype.connect = Tone.Signal.prototype.connect;\n\t    /**\n\t \t *  Generate some complex envelope curves. \n\t \t */\n\t    (function _createCurves() {\n\t        var curveLen = 128;\n\t        var i, k;\n\t        //cosine curve\n\t        var cosineCurve = [];\n\t        for (i = 0; i < curveLen; i++) {\n\t            cosineCurve[i] = Math.sin(i / (curveLen - 1) * (Math.PI / 2));\n\t        }\n\t        //ripple curve\n\t        var rippleCurve = [];\n\t        var rippleCurveFreq = 6.4;\n\t        for (i = 0; i < curveLen - 1; i++) {\n\t            k = i / (curveLen - 1);\n\t            var sineWave = Math.sin(k * (Math.PI * 2) * rippleCurveFreq - Math.PI / 2) + 1;\n\t            rippleCurve[i] = sineWave / 10 + k * 0.83;\n\t        }\n\t        rippleCurve[curveLen - 1] = 1;\n\t        //stairs curve\n\t        var stairsCurve = [];\n\t        var steps = 5;\n\t        for (i = 0; i < curveLen; i++) {\n\t            stairsCurve[i] = Math.ceil(i / (curveLen - 1) * steps) / steps;\n\t        }\n\t        //in-out easing curve\n\t        var sineCurve = [];\n\t        for (i = 0; i < curveLen; i++) {\n\t            k = i / (curveLen - 1);\n\t            sineCurve[i] = 0.5 * (1 - Math.cos(Math.PI * k));\n\t        }\n\t        //a bounce curve\n\t        var bounceCurve = [];\n\t        for (i = 0; i < curveLen; i++) {\n\t            k = i / (curveLen - 1);\n\t            var freq = Math.pow(k, 3) * 4 + 0.2;\n\t            var val = Math.cos(freq * Math.PI * 2 * k);\n\t            bounceCurve[i] = Math.abs(val * (1 - k));\n\t        }\n\t        /**\n\t\t\t *  Invert a value curve to make it work for the release\n\t\t\t *  @private\n\t\t\t */\n\t        function invertCurve(curve) {\n\t            var out = new Array(curve.length);\n\t            for (var j = 0; j < curve.length; j++) {\n\t                out[j] = 1 - curve[j];\n\t            }\n\t            return out;\n\t        }\n\t        /**\n\t\t\t *  reverse the curve\n\t\t\t *  @private\n\t\t\t */\n\t        function reverseCurve(curve) {\n\t            return curve.slice(0).reverse();\n\t        }\n\t        /**\n\t\t\t *  attack and release curve arrays\n\t\t\t *  @type  {Object}\n\t\t\t *  @private\n\t\t\t */\n\t        Tone.Envelope.Type = {\n\t            'linear': 'linear',\n\t            'exponential': 'exponential',\n\t            'bounce': {\n\t                In: invertCurve(bounceCurve),\n\t                Out: bounceCurve\n\t            },\n\t            'cosine': {\n\t                In: cosineCurve,\n\t                Out: reverseCurve(cosineCurve)\n\t            },\n\t            'step': {\n\t                In: stairsCurve,\n\t                Out: invertCurve(stairsCurve)\n\t            },\n\t            'ripple': {\n\t                In: rippleCurve,\n\t                Out: invertCurve(rippleCurve)\n\t            },\n\t            'sine': {\n\t                In: sineCurve,\n\t                Out: invertCurve(sineCurve)\n\t            }\n\t        };\n\t    }());\n\t    /**\n\t\t *  Disconnect and dispose.\n\t\t *  @returns {Tone.Envelope} this\n\t\t */\n\t    Tone.Envelope.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._sig.dispose();\n\t        this._sig = null;\n\t        this._attackCurve = null;\n\t        this._releaseCurve = null;\n\t        return this;\n\t    };\n\t    return Tone.Envelope;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  Tone.AmplitudeEnvelope is a Tone.Envelope connected to a gain node. \n\t\t *          Unlike Tone.Envelope, which outputs the envelope's value, Tone.AmplitudeEnvelope accepts\n\t\t *          an audio signal as the input and will apply the envelope to the amplitude\n\t\t *          of the signal. Read more about ADSR Envelopes on [Wikipedia](https://en.wikipedia.org/wiki/Synthesizer#ADSR_envelope).\n\t\t *  \n\t\t *  @constructor\n\t\t *  @extends {Tone.Envelope}\n\t\t *  @param {Time|Object} [attack] The amount of time it takes for the envelope to go from \n\t\t *                               0 to it's maximum value. \n\t\t *  @param {Time} [decay]\tThe period of time after the attack that it takes for the envelope\n\t\t *                       \tto fall to the sustain value. \n\t\t *  @param {NormalRange} [sustain]\tThe percent of the maximum value that the envelope rests at until\n\t\t *                                \tthe release is triggered. \n\t\t *  @param {Time} [release]\tThe amount of time after the release is triggered it takes to reach 0. \n\t\t *  @example\n\t\t * var ampEnv = new Tone.AmplitudeEnvelope({\n\t\t * \t\"attack\": 0.1,\n\t\t * \t\"decay\": 0.2,\n\t\t * \t\"sustain\": 1.0,\n\t\t * \t\"release\": 0.8\n\t\t * }).toMaster();\n\t\t * //create an oscillator and connect it\n\t\t * var osc = new Tone.Oscillator().connect(ampEnv).start();\n\t\t * //trigger the envelopes attack and release \"8t\" apart\n\t\t * ampEnv.triggerAttackRelease(\"8t\");\n\t\t */\n\t    Tone.AmplitudeEnvelope = function () {\n\t        Tone.Envelope.apply(this, arguments);\n\t        /**\n\t\t\t *  the input node\n\t\t\t *  @type {GainNode}\n\t\t\t *  @private\n\t\t\t */\n\t        this.input = this.output = new Tone.Gain();\n\t        this._sig.connect(this.output.gain);\n\t    };\n\t    Tone.extend(Tone.AmplitudeEnvelope, Tone.Envelope);\n\t    /**\n\t\t *  Clean up\n\t\t *  @return  {Tone.AmplitudeEnvelope}  this\n\t\t */\n\t    Tone.AmplitudeEnvelope.prototype.dispose = function () {\n\t        this.input.dispose();\n\t        this.input = null;\n\t        Tone.Envelope.prototype.dispose.call(this);\n\t        return this;\n\t    };\n\t    return Tone.AmplitudeEnvelope;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  AnalyserNode.getFloatTimeDomainData polyfill\n\t\t *  @private\n\t\t */\n\t    if (window.AnalyserNode && !AnalyserNode.prototype.getFloatTimeDomainData) {\n\t        //referenced https://github.com/mohayonao/get-float-time-domain-data \n\t        AnalyserNode.prototype.getFloatTimeDomainData = function (array) {\n\t            var uint8 = new Uint8Array(array.length);\n\t            this.getByteTimeDomainData(uint8);\n\t            for (var i = 0; i < uint8.length; i++) {\n\t                array[i] = (uint8[i] - 128) / 128;\n\t            }\n\t        };\n\t    }\n\t    /**\n\t\t *  @class  Wrapper around the native Web Audio's \n\t\t *          [AnalyserNode](http://webaudio.github.io/web-audio-api/#idl-def-AnalyserNode).\n\t\t *          Extracts FFT or Waveform data from the incoming signal.\n\t\t *  @extends {Tone}\n\t\t *  @param {String=} type The return type of the analysis, either \"fft\", or \"waveform\". \n\t\t *  @param {Number=} size The size of the FFT. Value must be a power of \n\t\t *                       two in the range 32 to 32768.\n\t\t */\n\t    Tone.Analyser = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'type',\n\t            'size'\n\t        ], Tone.Analyser.defaults);\n\t        /**\n\t\t\t *  The analyser node.\n\t\t\t *  @private\n\t\t\t *  @type {AnalyserNode}\n\t\t\t */\n\t        this._analyser = this.input = this.output = this.context.createAnalyser();\n\t        /**\n\t\t\t *  The analysis type\n\t\t\t *  @type {String}\n\t\t\t *  @private\n\t\t\t */\n\t        this._type = options.type;\n\t        /**\n\t\t\t *  The return type of the analysis\n\t\t\t *  @type {String}\n\t\t\t *  @private\n\t\t\t */\n\t        this._returnType = options.returnType;\n\t        /**\n\t\t\t *  The buffer that the FFT data is written to\n\t\t\t *  @type {TypedArray}\n\t\t\t *  @private\n\t\t\t */\n\t        this._buffer = null;\n\t        //set the values initially\n\t        this.size = options.size;\n\t        this.type = options.type;\n\t        this.returnType = options.returnType;\n\t        this.minDecibels = options.minDecibels;\n\t        this.maxDecibels = options.maxDecibels;\n\t    };\n\t    Tone.extend(Tone.Analyser);\n\t    /**\n\t\t *  The default values.\n\t\t *  @type {Object}\n\t\t *  @const\n\t\t */\n\t    Tone.Analyser.defaults = {\n\t        'size': 1024,\n\t        'returnType': 'byte',\n\t        'type': 'fft',\n\t        'smoothing': 0.8,\n\t        'maxDecibels': -30,\n\t        'minDecibels': -100\n\t    };\n\t    /**\n\t\t *  Possible return types of Tone.Analyser.analyse()\n\t\t *  @enum {String}\n\t\t */\n\t    Tone.Analyser.Type = {\n\t        Waveform: 'waveform',\n\t        FFT: 'fft'\n\t    };\n\t    /**\n\t\t *  Possible return types of Tone.Analyser.analyse(). \n\t\t *  byte values are between [0,255]. float values are between \n\t\t *  [-1, 1] when the type is set to \"waveform\" and between \n\t\t *  [minDecibels,maxDecibels] when the type is \"fft\".\n\t\t *  @enum {String}\n\t\t */\n\t    Tone.Analyser.ReturnType = {\n\t        Byte: 'byte',\n\t        Float: 'float'\n\t    };\n\t    /**\n\t\t *  Run the analysis given the current settings and return the \n\t\t *  result as a TypedArray. \n\t\t *  @returns {TypedArray}\n\t\t */\n\t    Tone.Analyser.prototype.analyse = function () {\n\t        if (this._type === Tone.Analyser.Type.FFT) {\n\t            if (this._returnType === Tone.Analyser.ReturnType.Byte) {\n\t                this._analyser.getByteFrequencyData(this._buffer);\n\t            } else {\n\t                this._analyser.getFloatFrequencyData(this._buffer);\n\t            }\n\t        } else if (this._type === Tone.Analyser.Type.Waveform) {\n\t            if (this._returnType === Tone.Analyser.ReturnType.Byte) {\n\t                this._analyser.getByteTimeDomainData(this._buffer);\n\t            } else {\n\t                this._analyser.getFloatTimeDomainData(this._buffer);\n\t            }\n\t        }\n\t        return this._buffer;\n\t    };\n\t    /**\n\t\t *  The size of analysis. This must be a power of two in the range 32 to 32768.\n\t\t *  @memberOf Tone.Analyser#\n\t\t *  @type {Number}\n\t\t *  @name size\n\t\t */\n\t    Object.defineProperty(Tone.Analyser.prototype, 'size', {\n\t        get: function () {\n\t            return this._analyser.frequencyBinCount;\n\t        },\n\t        set: function (size) {\n\t            this._analyser.fftSize = size * 2;\n\t            this.type = this._type;\n\t        }\n\t    });\n\t    /**\n\t\t *  The return type of Tone.Analyser.analyse(), either \"byte\" or \"float\". \n\t\t *  When the type is set to \"byte\" the range of values returned in the array\n\t\t *  are between 0-255. \"float\" values are between \n\t\t *  [-1, 1] when the type is set to \"waveform\" and between \n\t\t *  [minDecibels,maxDecibels] when the type is \"fft\".\n\t\t *  @memberOf Tone.Analyser#\n\t\t *  @type {String}\n\t\t *  @name type\n\t\t */\n\t    Object.defineProperty(Tone.Analyser.prototype, 'returnType', {\n\t        get: function () {\n\t            return this._returnType;\n\t        },\n\t        set: function (type) {\n\t            if (type === Tone.Analyser.ReturnType.Byte) {\n\t                this._buffer = new Uint8Array(this._analyser.frequencyBinCount);\n\t            } else if (type === Tone.Analyser.ReturnType.Float) {\n\t                this._buffer = new Float32Array(this._analyser.frequencyBinCount);\n\t            } else {\n\t                throw new TypeError('Tone.Analayser: invalid return type: ' + type);\n\t            }\n\t            this._returnType = type;\n\t        }\n\t    });\n\t    /**\n\t\t *  The analysis function returned by Tone.Analyser.analyse(), either \"fft\" or \"waveform\". \n\t\t *  @memberOf Tone.Analyser#\n\t\t *  @type {String}\n\t\t *  @name type\n\t\t */\n\t    Object.defineProperty(Tone.Analyser.prototype, 'type', {\n\t        get: function () {\n\t            return this._type;\n\t        },\n\t        set: function (type) {\n\t            if (type !== Tone.Analyser.Type.Waveform && type !== Tone.Analyser.Type.FFT) {\n\t                throw new TypeError('Tone.Analyser: invalid type: ' + type);\n\t            }\n\t            this._type = type;\n\t        }\n\t    });\n\t    /**\n\t\t *  0 represents no time averaging with the last analysis frame.\n\t\t *  @memberOf Tone.Analyser#\n\t\t *  @type {NormalRange}\n\t\t *  @name smoothing\n\t\t */\n\t    Object.defineProperty(Tone.Analyser.prototype, 'smoothing', {\n\t        get: function () {\n\t            return this._analyser.smoothingTimeConstant;\n\t        },\n\t        set: function (val) {\n\t            this._analyser.smoothingTimeConstant = val;\n\t        }\n\t    });\n\t    /**\n\t\t *  The smallest decibel value which is analysed by the FFT. \n\t\t *  @memberOf Tone.Analyser#\n\t\t *  @type {Decibels}\n\t\t *  @name minDecibels\n\t\t */\n\t    Object.defineProperty(Tone.Analyser.prototype, 'minDecibels', {\n\t        get: function () {\n\t            return this._analyser.minDecibels;\n\t        },\n\t        set: function (val) {\n\t            this._analyser.minDecibels = val;\n\t        }\n\t    });\n\t    /**\n\t\t *  The largest decibel value which is analysed by the FFT. \n\t\t *  @memberOf Tone.Analyser#\n\t\t *  @type {Decibels}\n\t\t *  @name maxDecibels\n\t\t */\n\t    Object.defineProperty(Tone.Analyser.prototype, 'maxDecibels', {\n\t        get: function () {\n\t            return this._analyser.maxDecibels;\n\t        },\n\t        set: function (val) {\n\t            this._analyser.maxDecibels = val;\n\t        }\n\t    });\n\t    /**\n\t\t *  Clean up.\n\t\t *  @return  {Tone.Analyser}  this\n\t\t */\n\t    Tone.Analyser.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._analyser.disconnect();\n\t        this._analyser = null;\n\t        this._buffer = null;\n\t    };\n\t    return Tone.Analyser;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Tone.Compressor is a thin wrapper around the Web Audio \n\t\t *         [DynamicsCompressorNode](http://webaudio.github.io/web-audio-api/#the-dynamicscompressornode-interface).\n\t\t *         Compression reduces the volume of loud sounds or amplifies quiet sounds \n\t\t *         by narrowing or \"compressing\" an audio signal's dynamic range. \n\t\t *         Read more on [Wikipedia](https://en.wikipedia.org/wiki/Dynamic_range_compression).\n\t\t *\n\t\t *  @extends {Tone}\n\t\t *  @constructor\n\t\t *  @param {Decibels|Object} [threshold] The value above which the compression starts to be applied.\n\t\t *  @param {Positive} [ratio] The gain reduction ratio.\n\t\t *  @example\n\t\t * var comp = new Tone.Compressor(-30, 3);\n\t\t */\n\t    Tone.Compressor = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'threshold',\n\t            'ratio'\n\t        ], Tone.Compressor.defaults);\n\t        /**\n\t\t\t *  the compressor node\n\t\t\t *  @type {DynamicsCompressorNode}\n\t\t\t *  @private\n\t\t\t */\n\t        this._compressor = this.input = this.output = this.context.createDynamicsCompressor();\n\t        /**\n\t\t\t *  the threshold vaue\n\t\t\t *  @type {Decibels}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.threshold = new Tone.Param({\n\t            'param': this._compressor.threshold,\n\t            'units': Tone.Type.Decibels,\n\t            'convert': false\n\t        });\n\t        /**\n\t\t\t *  The attack parameter\n\t\t\t *  @type {Time}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.attack = new Tone.Param(this._compressor.attack, Tone.Type.Time);\n\t        /**\n\t\t\t *  The release parameter\n\t\t\t *  @type {Time}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.release = new Tone.Param(this._compressor.release, Tone.Type.Time);\n\t        /**\n\t\t\t *  The knee parameter\n\t\t\t *  @type {Decibels}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.knee = new Tone.Param({\n\t            'param': this._compressor.knee,\n\t            'units': Tone.Type.Decibels,\n\t            'convert': false\n\t        });\n\t        /**\n\t\t\t *  The ratio value\n\t\t\t *  @type {Number}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.ratio = new Tone.Param({\n\t            'param': this._compressor.ratio,\n\t            'convert': false\n\t        });\n\t        //set the defaults\n\t        this._readOnly([\n\t            'knee',\n\t            'release',\n\t            'attack',\n\t            'ratio',\n\t            'threshold'\n\t        ]);\n\t        this.set(options);\n\t    };\n\t    Tone.extend(Tone.Compressor);\n\t    /**\n\t\t *  @static\n\t\t *  @const\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.Compressor.defaults = {\n\t        'ratio': 12,\n\t        'threshold': -24,\n\t        'release': 0.25,\n\t        'attack': 0.003,\n\t        'knee': 30\n\t    };\n\t    /**\n\t\t *  clean up\n\t\t *  @returns {Tone.Compressor} this\n\t\t */\n\t    Tone.Compressor.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._writable([\n\t            'knee',\n\t            'release',\n\t            'attack',\n\t            'ratio',\n\t            'threshold'\n\t        ]);\n\t        this._compressor.disconnect();\n\t        this._compressor = null;\n\t        this.attack.dispose();\n\t        this.attack = null;\n\t        this.release.dispose();\n\t        this.release = null;\n\t        this.threshold.dispose();\n\t        this.threshold = null;\n\t        this.ratio.dispose();\n\t        this.ratio = null;\n\t        this.knee.dispose();\n\t        this.knee = null;\n\t        return this;\n\t    };\n\t    return Tone.Compressor;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Add a signal and a number or two signals. When no value is\n\t\t *         passed into the constructor, Tone.Add will sum <code>input[0]</code>\n\t\t *         and <code>input[1]</code>. If a value is passed into the constructor, \n\t\t *         the it will be added to the input.\n\t\t *  \n\t\t *  @constructor\n\t\t *  @extends {Tone.Signal}\n\t\t *  @param {number=} value If no value is provided, Tone.Add will sum the first\n\t\t *                         and second inputs. \n\t\t *  @example\n\t\t * var signal = new Tone.Signal(2);\n\t\t * var add = new Tone.Add(2);\n\t\t * signal.connect(add);\n\t\t * //the output of add equals 4\n\t\t *  @example\n\t\t * //if constructed with no arguments\n\t\t * //it will add the first and second inputs\n\t\t * var add = new Tone.Add();\n\t\t * var sig0 = new Tone.Signal(3).connect(add, 0, 0);\n\t\t * var sig1 = new Tone.Signal(4).connect(add, 0, 1);\n\t\t * //the output of add equals 7. \n\t\t */\n\t    Tone.Add = function (value) {\n\t        this.createInsOuts(2, 0);\n\t        /**\n\t\t\t *  the summing node\n\t\t\t *  @type {GainNode}\n\t\t\t *  @private\n\t\t\t */\n\t        this._sum = this.input[0] = this.input[1] = this.output = new Tone.Gain();\n\t        /**\n\t\t\t *  @private\n\t\t\t *  @type {Tone.Signal}\n\t\t\t */\n\t        this._param = this.input[1] = new Tone.Signal(value);\n\t        this._param.connect(this._sum);\n\t    };\n\t    Tone.extend(Tone.Add, Tone.Signal);\n\t    /**\n\t\t *  Clean up.\n\t\t *  @returns {Tone.Add} this\n\t\t */\n\t    Tone.Add.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._sum.dispose();\n\t        this._sum = null;\n\t        this._param.dispose();\n\t        this._param = null;\n\t        return this;\n\t    };\n\t    return Tone.Add;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  Multiply two incoming signals. Or, if a number is given in the constructor, \n\t\t *          multiplies the incoming signal by that value. \n\t\t *\n\t\t *  @constructor\n\t\t *  @extends {Tone.Signal}\n\t\t *  @param {number=} value Constant value to multiple. If no value is provided,\n\t\t *                         it will return the product of the first and second inputs\n\t\t *  @example\n\t\t * var mult = new Tone.Multiply();\n\t\t * var sigA = new Tone.Signal(3);\n\t\t * var sigB = new Tone.Signal(4);\n\t\t * sigA.connect(mult, 0, 0);\n\t\t * sigB.connect(mult, 0, 1);\n\t\t * //output of mult is 12.\n\t\t *  @example\n\t\t * var mult = new Tone.Multiply(10);\n\t\t * var sig = new Tone.Signal(2).connect(mult);\n\t\t * //the output of mult is 20. \n\t\t */\n\t    Tone.Multiply = function (value) {\n\t        this.createInsOuts(2, 0);\n\t        /**\n\t\t\t *  the input node is the same as the output node\n\t\t\t *  it is also the GainNode which handles the scaling of incoming signal\n\t\t\t *  \n\t\t\t *  @type {GainNode}\n\t\t\t *  @private\n\t\t\t */\n\t        this._mult = this.input[0] = this.output = new Tone.Gain();\n\t        /**\n\t\t\t *  the scaling parameter\n\t\t\t *  @type {AudioParam}\n\t\t\t *  @private\n\t\t\t */\n\t        this._param = this.input[1] = this.output.gain;\n\t        this._param.value = this.defaultArg(value, 0);\n\t    };\n\t    Tone.extend(Tone.Multiply, Tone.Signal);\n\t    /**\n\t\t *  clean up\n\t\t *  @returns {Tone.Multiply} this\n\t\t */\n\t    Tone.Multiply.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._mult.dispose();\n\t        this._mult = null;\n\t        this._param = null;\n\t        return this;\n\t    };\n\t    return Tone.Multiply;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Negate the incoming signal. i.e. an input signal of 10 will output -10\n\t\t *\n\t\t *  @constructor\n\t\t *  @extends {Tone.SignalBase}\n\t\t *  @example\n\t\t * var neg = new Tone.Negate();\n\t\t * var sig = new Tone.Signal(-2).connect(neg);\n\t\t * //output of neg is positive 2. \n\t\t */\n\t    Tone.Negate = function () {\n\t        /**\n\t\t\t *  negation is done by multiplying by -1\n\t\t\t *  @type {Tone.Multiply}\n\t\t\t *  @private\n\t\t\t */\n\t        this._multiply = this.input = this.output = new Tone.Multiply(-1);\n\t    };\n\t    Tone.extend(Tone.Negate, Tone.SignalBase);\n\t    /**\n\t\t *  clean up\n\t\t *  @returns {Tone.Negate} this\n\t\t */\n\t    Tone.Negate.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._multiply.dispose();\n\t        this._multiply = null;\n\t        return this;\n\t    };\n\t    return Tone.Negate;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Subtract the signal connected to <code>input[1]</code> from the signal connected \n\t\t *         to <code>input[0]</code>. If an argument is provided in the constructor, the \n\t\t *         signals <code>.value</code> will be subtracted from the incoming signal.\n\t\t *\n\t\t *  @extends {Tone.Signal}\n\t\t *  @constructor\n\t\t *  @param {number=} value The value to subtract from the incoming signal. If the value\n\t\t *                         is omitted, it will subtract the second signal from the first.\n\t\t *  @example\n\t\t * var sub = new Tone.Subtract(1);\n\t\t * var sig = new Tone.Signal(4).connect(sub);\n\t\t * //the output of sub is 3. \n\t\t *  @example\n\t\t * var sub = new Tone.Subtract();\n\t\t * var sigA = new Tone.Signal(10);\n\t\t * var sigB = new Tone.Signal(2.5);\n\t\t * sigA.connect(sub, 0, 0);\n\t\t * sigB.connect(sub, 0, 1);\n\t\t * //output of sub is 7.5\n\t\t */\n\t    Tone.Subtract = function (value) {\n\t        this.createInsOuts(2, 0);\n\t        /**\n\t\t\t *  the summing node\n\t\t\t *  @type {GainNode}\n\t\t\t *  @private\n\t\t\t */\n\t        this._sum = this.input[0] = this.output = new Tone.Gain();\n\t        /**\n\t\t\t *  negate the input of the second input before connecting it\n\t\t\t *  to the summing node.\n\t\t\t *  @type {Tone.Negate}\n\t\t\t *  @private\n\t\t\t */\n\t        this._neg = new Tone.Negate();\n\t        /**\n\t\t\t *  the node where the value is set\n\t\t\t *  @private\n\t\t\t *  @type {Tone.Signal}\n\t\t\t */\n\t        this._param = this.input[1] = new Tone.Signal(value);\n\t        this._param.chain(this._neg, this._sum);\n\t    };\n\t    Tone.extend(Tone.Subtract, Tone.Signal);\n\t    /**\n\t\t *  Clean up.\n\t\t *  @returns {Tone.SignalBase} this\n\t\t */\n\t    Tone.Subtract.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._neg.dispose();\n\t        this._neg = null;\n\t        this._sum.disconnect();\n\t        this._sum = null;\n\t        this._param.dispose();\n\t        this._param = null;\n\t        return this;\n\t    };\n\t    return Tone.Subtract;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  GreaterThanZero outputs 1 when the input is strictly greater than zero\n\t\t *  \n\t\t *  @constructor\n\t\t *  @extends {Tone.SignalBase}\n\t\t *  @example\n\t\t * var gt0 = new Tone.GreaterThanZero();\n\t\t * var sig = new Tone.Signal(0.01).connect(gt0);\n\t\t * //the output of gt0 is 1. \n\t\t * sig.value = 0;\n\t\t * //the output of gt0 is 0. \n\t\t */\n\t    Tone.GreaterThanZero = function () {\n\t        /**\n\t\t\t *  @type {Tone.WaveShaper}\n\t\t\t *  @private\n\t\t\t */\n\t        this._thresh = this.output = new Tone.WaveShaper(function (val) {\n\t            if (val <= 0) {\n\t                return 0;\n\t            } else {\n\t                return 1;\n\t            }\n\t        }, 127);\n\t        /**\n\t\t\t *  scale the first thresholded signal by a large value.\n\t\t\t *  this will help with values which are very close to 0\n\t\t\t *  @type {Tone.Multiply}\n\t\t\t *  @private\n\t\t\t */\n\t        this._scale = this.input = new Tone.Multiply(10000);\n\t        //connections\n\t        this._scale.connect(this._thresh);\n\t    };\n\t    Tone.extend(Tone.GreaterThanZero, Tone.SignalBase);\n\t    /**\n\t\t *  dispose method\n\t\t *  @returns {Tone.GreaterThanZero} this\n\t\t */\n\t    Tone.GreaterThanZero.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._scale.dispose();\n\t        this._scale = null;\n\t        this._thresh.dispose();\n\t        this._thresh = null;\n\t        return this;\n\t    };\n\t    return Tone.GreaterThanZero;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  Output 1 if the signal is greater than the value, otherwise outputs 0.\n\t\t *          can compare two signals or a signal and a number. \n\t\t *  \n\t\t *  @constructor\n\t\t *  @extends {Tone.Signal}\n\t\t *  @param {number} [value=0] the value to compare to the incoming signal\n\t\t *  @example\n\t\t * var gt = new Tone.GreaterThan(2);\n\t\t * var sig = new Tone.Signal(4).connect(gt);\n\t\t * //output of gt is equal 1. \n\t\t */\n\t    Tone.GreaterThan = function (value) {\n\t        this.createInsOuts(2, 0);\n\t        /**\n\t\t\t *  subtract the amount from the incoming signal\n\t\t\t *  @type {Tone.Subtract}\n\t\t\t *  @private\n\t\t\t */\n\t        this._param = this.input[0] = new Tone.Subtract(value);\n\t        this.input[1] = this._param.input[1];\n\t        /**\n\t\t\t *  compare that amount to zero\n\t\t\t *  @type {Tone.GreaterThanZero}\n\t\t\t *  @private\n\t\t\t */\n\t        this._gtz = this.output = new Tone.GreaterThanZero();\n\t        //connect\n\t        this._param.connect(this._gtz);\n\t    };\n\t    Tone.extend(Tone.GreaterThan, Tone.Signal);\n\t    /**\n\t\t *  dispose method\n\t\t *  @returns {Tone.GreaterThan} this\n\t\t */\n\t    Tone.GreaterThan.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._param.dispose();\n\t        this._param = null;\n\t        this._gtz.dispose();\n\t        this._gtz = null;\n\t        return this;\n\t    };\n\t    return Tone.GreaterThan;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Return the absolute value of an incoming signal. \n\t\t *  \n\t\t *  @constructor\n\t\t *  @extends {Tone.SignalBase}\n\t\t *  @example\n\t\t * var signal = new Tone.Signal(-1);\n\t\t * var abs = new Tone.Abs();\n\t\t * signal.connect(abs);\n\t\t * //the output of abs is 1. \n\t\t */\n\t    Tone.Abs = function () {\n\t        /**\n\t\t\t *  @type {Tone.LessThan}\n\t\t\t *  @private\n\t\t\t */\n\t        this._abs = this.input = this.output = new Tone.WaveShaper(function (val) {\n\t            if (val === 0) {\n\t                return 0;\n\t            } else {\n\t                return Math.abs(val);\n\t            }\n\t        }, 127);\n\t    };\n\t    Tone.extend(Tone.Abs, Tone.SignalBase);\n\t    /**\n\t\t *  dispose method\n\t\t *  @returns {Tone.Abs} this\n\t\t */\n\t    Tone.Abs.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._abs.dispose();\n\t        this._abs = null;\n\t        return this;\n\t    };\n\t    return Tone.Abs;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Signal-rate modulo operator. Only works in AudioRange [-1, 1] and for modulus\n\t\t *         values in the NormalRange. \n\t\t *\n\t\t *  @constructor\n\t\t *  @extends {Tone.SignalBase}\n\t\t *  @param {NormalRange} modulus The modulus to apply.\n\t\t *  @example\n\t\t * var mod = new Tone.Modulo(0.2)\n\t\t * var sig = new Tone.Signal(0.5).connect(mod);\n\t\t * //mod outputs 0.1\n\t\t */\n\t    Tone.Modulo = function (modulus) {\n\t        this.createInsOuts(1, 0);\n\t        /**\n\t\t\t *  A waveshaper gets the integer multiple of \n\t\t\t *  the input signal and the modulus.\n\t\t\t *  @private\n\t\t\t *  @type {Tone.WaveShaper}\n\t\t\t */\n\t        this._shaper = new Tone.WaveShaper(Math.pow(2, 16));\n\t        /**\n\t\t\t *  the integer multiple is multiplied by the modulus\n\t\t\t *  @type  {Tone.Multiply}\n\t\t\t *  @private\n\t\t\t */\n\t        this._multiply = new Tone.Multiply();\n\t        /**\n\t\t\t *  and subtracted from the input signal\n\t\t\t *  @type  {Tone.Subtract}\n\t\t\t *  @private\n\t\t\t */\n\t        this._subtract = this.output = new Tone.Subtract();\n\t        /**\n\t\t\t *  the modulus signal\n\t\t\t *  @type  {Tone.Signal}\n\t\t\t *  @private\n\t\t\t */\n\t        this._modSignal = new Tone.Signal(modulus);\n\t        //connections\n\t        this.input.fan(this._shaper, this._subtract);\n\t        this._modSignal.connect(this._multiply, 0, 0);\n\t        this._shaper.connect(this._multiply, 0, 1);\n\t        this._multiply.connect(this._subtract, 0, 1);\n\t        this._setWaveShaper(modulus);\n\t    };\n\t    Tone.extend(Tone.Modulo, Tone.SignalBase);\n\t    /**\n\t\t *  @param  {number}  mod  the modulus to apply\n\t\t *  @private\n\t\t */\n\t    Tone.Modulo.prototype._setWaveShaper = function (mod) {\n\t        this._shaper.setMap(function (val) {\n\t            var multiple = Math.floor((val + 0.0001) / mod);\n\t            return multiple;\n\t        });\n\t    };\n\t    /**\n\t\t * The modulus value.\n\t\t * @memberOf Tone.Modulo#\n\t\t * @type {NormalRange}\n\t\t * @name value\n\t\t */\n\t    Object.defineProperty(Tone.Modulo.prototype, 'value', {\n\t        get: function () {\n\t            return this._modSignal.value;\n\t        },\n\t        set: function (mod) {\n\t            this._modSignal.value = mod;\n\t            this._setWaveShaper(mod);\n\t        }\n\t    });\n\t    /**\n\t\t * clean up\n\t\t *  @returns {Tone.Modulo} this\n\t\t */\n\t    Tone.Modulo.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._shaper.dispose();\n\t        this._shaper = null;\n\t        this._multiply.dispose();\n\t        this._multiply = null;\n\t        this._subtract.dispose();\n\t        this._subtract = null;\n\t        this._modSignal.dispose();\n\t        this._modSignal = null;\n\t        return this;\n\t    };\n\t    return Tone.Modulo;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class AudioToGain converts an input in AudioRange [-1,1] to NormalRange [0,1]. \n\t\t *         See Tone.GainToAudio.\n\t\t *\n\t\t *  @extends {Tone.SignalBase}\n\t\t *  @constructor\n\t\t *  @example\n\t\t *  var a2g = new Tone.AudioToGain();\n\t\t */\n\t    Tone.AudioToGain = function () {\n\t        /**\n\t\t\t *  @type {WaveShaperNode}\n\t\t\t *  @private\n\t\t\t */\n\t        this._norm = this.input = this.output = new Tone.WaveShaper(function (x) {\n\t            return (x + 1) / 2;\n\t        });\n\t    };\n\t    Tone.extend(Tone.AudioToGain, Tone.SignalBase);\n\t    /**\n\t\t *  clean up\n\t\t *  @returns {Tone.AudioToGain} this\n\t\t */\n\t    Tone.AudioToGain.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._norm.dispose();\n\t        this._norm = null;\n\t        return this;\n\t    };\n\t    return Tone.AudioToGain;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Evaluate an expression at audio rate. <br><br>\n\t\t *         Parsing code modified from https://code.google.com/p/tapdigit/\n\t\t *         Copyright 2011 2012 Ariya Hidayat, New BSD License\n\t\t *\n\t\t *  @extends {Tone.SignalBase}\n\t\t *  @constructor\n\t\t *  @param {string} expr the expression to generate\n\t\t *  @example\n\t\t * //adds the signals from input[0] and input[1].\n\t\t * var expr = new Tone.Expr(\"$0 + $1\");\n\t\t */\n\t    Tone.Expr = function () {\n\t        var expr = this._replacements(Array.prototype.slice.call(arguments));\n\t        var inputCount = this._parseInputs(expr);\n\t        /**\n\t\t\t *  hold onto all of the nodes for disposal\n\t\t\t *  @type {Array}\n\t\t\t *  @private\n\t\t\t */\n\t        this._nodes = [];\n\t        /**\n\t\t\t *  The inputs. The length is determined by the expression. \n\t\t\t *  @type {Array}\n\t\t\t */\n\t        this.input = new Array(inputCount);\n\t        //create a gain for each input\n\t        for (var i = 0; i < inputCount; i++) {\n\t            this.input[i] = this.context.createGain();\n\t        }\n\t        //parse the syntax tree\n\t        var tree = this._parseTree(expr);\n\t        //evaluate the results\n\t        var result;\n\t        try {\n\t            result = this._eval(tree);\n\t        } catch (e) {\n\t            this._disposeNodes();\n\t            throw new Error('Tone.Expr: Could evaluate expression: ' + expr);\n\t        }\n\t        /**\n\t\t\t *  The output node is the result of the expression\n\t\t\t *  @type {Tone}\n\t\t\t */\n\t        this.output = result;\n\t    };\n\t    Tone.extend(Tone.Expr, Tone.SignalBase);\n\t    //some helpers to cut down the amount of code\n\t    function applyBinary(Constructor, args, self) {\n\t        var op = new Constructor();\n\t        self._eval(args[0]).connect(op, 0, 0);\n\t        self._eval(args[1]).connect(op, 0, 1);\n\t        return op;\n\t    }\n\t    function applyUnary(Constructor, args, self) {\n\t        var op = new Constructor();\n\t        self._eval(args[0]).connect(op, 0, 0);\n\t        return op;\n\t    }\n\t    function getNumber(arg) {\n\t        return arg ? parseFloat(arg) : undefined;\n\t    }\n\t    function literalNumber(arg) {\n\t        return arg && arg.args ? parseFloat(arg.args) : undefined;\n\t    }\n\t    /*\n\t\t *  the Expressions that Tone.Expr can parse.\n\t\t *\n\t\t *  each expression belongs to a group and contains a regexp \n\t\t *  for selecting the operator as well as that operators method\n\t\t *  \n\t\t *  @type {Object}\n\t\t *  @private\n\t\t */\n\t    Tone.Expr._Expressions = {\n\t        //values\n\t        'value': {\n\t            'signal': {\n\t                regexp: /^\\d+\\.\\d+|^\\d+/,\n\t                method: function (arg) {\n\t                    var sig = new Tone.Signal(getNumber(arg));\n\t                    return sig;\n\t                }\n\t            },\n\t            'input': {\n\t                regexp: /^\\$\\d/,\n\t                method: function (arg, self) {\n\t                    return self.input[getNumber(arg.substr(1))];\n\t                }\n\t            }\n\t        },\n\t        //syntactic glue\n\t        'glue': {\n\t            '(': { regexp: /^\\(/ },\n\t            ')': { regexp: /^\\)/ },\n\t            ',': { regexp: /^,/ }\n\t        },\n\t        //functions\n\t        'func': {\n\t            'abs': {\n\t                regexp: /^abs/,\n\t                method: applyUnary.bind(this, Tone.Abs)\n\t            },\n\t            'mod': {\n\t                regexp: /^mod/,\n\t                method: function (args, self) {\n\t                    var modulus = literalNumber(args[1]);\n\t                    var op = new Tone.Modulo(modulus);\n\t                    self._eval(args[0]).connect(op);\n\t                    return op;\n\t                }\n\t            },\n\t            'pow': {\n\t                regexp: /^pow/,\n\t                method: function (args, self) {\n\t                    var exp = literalNumber(args[1]);\n\t                    var op = new Tone.Pow(exp);\n\t                    self._eval(args[0]).connect(op);\n\t                    return op;\n\t                }\n\t            },\n\t            'a2g': {\n\t                regexp: /^a2g/,\n\t                method: function (args, self) {\n\t                    var op = new Tone.AudioToGain();\n\t                    self._eval(args[0]).connect(op);\n\t                    return op;\n\t                }\n\t            }\n\t        },\n\t        //binary expressions\n\t        'binary': {\n\t            '+': {\n\t                regexp: /^\\+/,\n\t                precedence: 1,\n\t                method: applyBinary.bind(this, Tone.Add)\n\t            },\n\t            '-': {\n\t                regexp: /^\\-/,\n\t                precedence: 1,\n\t                method: function (args, self) {\n\t                    //both unary and binary op\n\t                    if (args.length === 1) {\n\t                        return applyUnary(Tone.Negate, args, self);\n\t                    } else {\n\t                        return applyBinary(Tone.Subtract, args, self);\n\t                    }\n\t                }\n\t            },\n\t            '*': {\n\t                regexp: /^\\*/,\n\t                precedence: 0,\n\t                method: applyBinary.bind(this, Tone.Multiply)\n\t            }\n\t        },\n\t        //unary expressions\n\t        'unary': {\n\t            '-': {\n\t                regexp: /^\\-/,\n\t                method: applyUnary.bind(this, Tone.Negate)\n\t            },\n\t            '!': {\n\t                regexp: /^\\!/,\n\t                method: applyUnary.bind(this, Tone.NOT)\n\t            }\n\t        }\n\t    };\n\t    /**\n\t\t *  @param   {string} expr the expression string\n\t\t *  @return  {number}      the input count\n\t\t *  @private\n\t\t */\n\t    Tone.Expr.prototype._parseInputs = function (expr) {\n\t        var inputArray = expr.match(/\\$\\d/g);\n\t        var inputMax = 0;\n\t        if (inputArray !== null) {\n\t            for (var i = 0; i < inputArray.length; i++) {\n\t                var inputNum = parseInt(inputArray[i].substr(1)) + 1;\n\t                inputMax = Math.max(inputMax, inputNum);\n\t            }\n\t        }\n\t        return inputMax;\n\t    };\n\t    /**\n\t\t *  @param   {Array} args \tan array of arguments\n\t\t *  @return  {string} the results of the replacements being replaced\n\t\t *  @private\n\t\t */\n\t    Tone.Expr.prototype._replacements = function (args) {\n\t        var expr = args.shift();\n\t        for (var i = 0; i < args.length; i++) {\n\t            expr = expr.replace(/\\%/i, args[i]);\n\t        }\n\t        return expr;\n\t    };\n\t    /**\n\t\t *  tokenize the expression based on the Expressions object\n\t\t *  @param   {string} expr \n\t\t *  @return  {Object}      returns two methods on the tokenized list, next and peek\n\t\t *  @private\n\t\t */\n\t    Tone.Expr.prototype._tokenize = function (expr) {\n\t        var position = -1;\n\t        var tokens = [];\n\t        while (expr.length > 0) {\n\t            expr = expr.trim();\n\t            var token = getNextToken(expr);\n\t            tokens.push(token);\n\t            expr = expr.substr(token.value.length);\n\t        }\n\t        function getNextToken(expr) {\n\t            for (var type in Tone.Expr._Expressions) {\n\t                var group = Tone.Expr._Expressions[type];\n\t                for (var opName in group) {\n\t                    var op = group[opName];\n\t                    var reg = op.regexp;\n\t                    var match = expr.match(reg);\n\t                    if (match !== null) {\n\t                        return {\n\t                            type: type,\n\t                            value: match[0],\n\t                            method: op.method\n\t                        };\n\t                    }\n\t                }\n\t            }\n\t            throw new SyntaxError('Tone.Expr: Unexpected token ' + expr);\n\t        }\n\t        return {\n\t            next: function () {\n\t                return tokens[++position];\n\t            },\n\t            peek: function () {\n\t                return tokens[position + 1];\n\t            }\n\t        };\n\t    };\n\t    /**\n\t\t *  recursively parse the string expression into a syntax tree\n\t\t *  \n\t\t *  @param   {string} expr \n\t\t *  @return  {Object}\n\t\t *  @private\n\t\t */\n\t    Tone.Expr.prototype._parseTree = function (expr) {\n\t        var lexer = this._tokenize(expr);\n\t        var isUndef = this.isUndef.bind(this);\n\t        function matchSyntax(token, syn) {\n\t            return !isUndef(token) && token.type === 'glue' && token.value === syn;\n\t        }\n\t        function matchGroup(token, groupName, prec) {\n\t            var ret = false;\n\t            var group = Tone.Expr._Expressions[groupName];\n\t            if (!isUndef(token)) {\n\t                for (var opName in group) {\n\t                    var op = group[opName];\n\t                    if (op.regexp.test(token.value)) {\n\t                        if (!isUndef(prec)) {\n\t                            if (op.precedence === prec) {\n\t                                return true;\n\t                            }\n\t                        } else {\n\t                            return true;\n\t                        }\n\t                    }\n\t                }\n\t            }\n\t            return ret;\n\t        }\n\t        function parseExpression(precedence) {\n\t            if (isUndef(precedence)) {\n\t                precedence = 5;\n\t            }\n\t            var expr;\n\t            if (precedence < 0) {\n\t                expr = parseUnary();\n\t            } else {\n\t                expr = parseExpression(precedence - 1);\n\t            }\n\t            var token = lexer.peek();\n\t            while (matchGroup(token, 'binary', precedence)) {\n\t                token = lexer.next();\n\t                expr = {\n\t                    operator: token.value,\n\t                    method: token.method,\n\t                    args: [\n\t                        expr,\n\t                        parseExpression(precedence - 1)\n\t                    ]\n\t                };\n\t                token = lexer.peek();\n\t            }\n\t            return expr;\n\t        }\n\t        function parseUnary() {\n\t            var token, expr;\n\t            token = lexer.peek();\n\t            if (matchGroup(token, 'unary')) {\n\t                token = lexer.next();\n\t                expr = parseUnary();\n\t                return {\n\t                    operator: token.value,\n\t                    method: token.method,\n\t                    args: [expr]\n\t                };\n\t            }\n\t            return parsePrimary();\n\t        }\n\t        function parsePrimary() {\n\t            var token, expr;\n\t            token = lexer.peek();\n\t            if (isUndef(token)) {\n\t                throw new SyntaxError('Tone.Expr: Unexpected termination of expression');\n\t            }\n\t            if (token.type === 'func') {\n\t                token = lexer.next();\n\t                return parseFunctionCall(token);\n\t            }\n\t            if (token.type === 'value') {\n\t                token = lexer.next();\n\t                return {\n\t                    method: token.method,\n\t                    args: token.value\n\t                };\n\t            }\n\t            if (matchSyntax(token, '(')) {\n\t                lexer.next();\n\t                expr = parseExpression();\n\t                token = lexer.next();\n\t                if (!matchSyntax(token, ')')) {\n\t                    throw new SyntaxError('Expected )');\n\t                }\n\t                return expr;\n\t            }\n\t            throw new SyntaxError('Tone.Expr: Parse error, cannot process token ' + token.value);\n\t        }\n\t        function parseFunctionCall(func) {\n\t            var token, args = [];\n\t            token = lexer.next();\n\t            if (!matchSyntax(token, '(')) {\n\t                throw new SyntaxError('Tone.Expr: Expected ( in a function call \"' + func.value + '\"');\n\t            }\n\t            token = lexer.peek();\n\t            if (!matchSyntax(token, ')')) {\n\t                args = parseArgumentList();\n\t            }\n\t            token = lexer.next();\n\t            if (!matchSyntax(token, ')')) {\n\t                throw new SyntaxError('Tone.Expr: Expected ) in a function call \"' + func.value + '\"');\n\t            }\n\t            return {\n\t                method: func.method,\n\t                args: args,\n\t                name: name\n\t            };\n\t        }\n\t        function parseArgumentList() {\n\t            var token, expr, args = [];\n\t            while (true) {\n\t                expr = parseExpression();\n\t                if (isUndef(expr)) {\n\t                    // TODO maybe throw exception?\n\t                    break;\n\t                }\n\t                args.push(expr);\n\t                token = lexer.peek();\n\t                if (!matchSyntax(token, ',')) {\n\t                    break;\n\t                }\n\t                lexer.next();\n\t            }\n\t            return args;\n\t        }\n\t        return parseExpression();\n\t    };\n\t    /**\n\t\t *  recursively evaluate the expression tree\n\t\t *  @param   {Object} tree \n\t\t *  @return  {AudioNode}      the resulting audio node from the expression\n\t\t *  @private\n\t\t */\n\t    Tone.Expr.prototype._eval = function (tree) {\n\t        if (!this.isUndef(tree)) {\n\t            var node = tree.method(tree.args, this);\n\t            this._nodes.push(node);\n\t            return node;\n\t        }\n\t    };\n\t    /**\n\t\t *  dispose all the nodes\n\t\t *  @private\n\t\t */\n\t    Tone.Expr.prototype._disposeNodes = function () {\n\t        for (var i = 0; i < this._nodes.length; i++) {\n\t            var node = this._nodes[i];\n\t            if (this.isFunction(node.dispose)) {\n\t                node.dispose();\n\t            } else if (this.isFunction(node.disconnect)) {\n\t                node.disconnect();\n\t            }\n\t            node = null;\n\t            this._nodes[i] = null;\n\t        }\n\t        this._nodes = null;\n\t    };\n\t    /**\n\t\t *  clean up\n\t\t */\n\t    Tone.Expr.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._disposeNodes();\n\t    };\n\t    return Tone.Expr;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Convert an incoming signal between 0, 1 to an equal power gain scale.\n\t\t *\n\t\t *  @extends {Tone.SignalBase}\n\t\t *  @constructor\n\t\t *  @example\n\t\t * var eqPowGain = new Tone.EqualPowerGain();\n\t\t */\n\t    Tone.EqualPowerGain = function () {\n\t        /**\n\t\t\t *  @type {Tone.WaveShaper}\n\t\t\t *  @private\n\t\t\t */\n\t        this._eqPower = this.input = this.output = new Tone.WaveShaper(function (val) {\n\t            if (Math.abs(val) < 0.001) {\n\t                //should output 0 when input is 0\n\t                return 0;\n\t            } else {\n\t                return this.equalPowerScale(val);\n\t            }\n\t        }.bind(this), 4096);\n\t    };\n\t    Tone.extend(Tone.EqualPowerGain, Tone.SignalBase);\n\t    /**\n\t\t *  clean up\n\t\t *  @returns {Tone.EqualPowerGain} this\n\t\t */\n\t    Tone.EqualPowerGain.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._eqPower.dispose();\n\t        this._eqPower = null;\n\t        return this;\n\t    };\n\t    return Tone.EqualPowerGain;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t * @class  Tone.Crossfade provides equal power fading between two inputs. \n\t\t *         More on crossfading technique [here](https://en.wikipedia.org/wiki/Fade_(audio_engineering)#Crossfading).\n\t\t *\n\t\t * @constructor\n\t\t * @extends {Tone}\n\t\t * @param {NormalRange} [initialFade=0.5]\n\t\t * @example\n\t\t * var crossFade = new Tone.CrossFade(0.5);\n\t\t * //connect effect A to crossfade from\n\t\t * //effect output 0 to crossfade input 0\n\t\t * effectA.connect(crossFade, 0, 0);\n\t\t * //connect effect B to crossfade from\n\t\t * //effect output 0 to crossfade input 1\n\t\t * effectB.connect(crossFade, 0, 1);\n\t\t * crossFade.fade.value = 0;\n\t\t * // ^ only effectA is output\n\t\t * crossFade.fade.value = 1;\n\t\t * // ^ only effectB is output\n\t\t * crossFade.fade.value = 0.5;\n\t\t * // ^ the two signals are mixed equally. \n\t\t */\n\t    Tone.CrossFade = function (initialFade) {\n\t        this.createInsOuts(2, 1);\n\t        /**\n\t\t\t *  Alias for <code>input[0]</code>. \n\t\t\t *  @type {Tone.Gain}\n\t\t\t */\n\t        this.a = this.input[0] = new Tone.Gain();\n\t        /**\n\t\t\t *  Alias for <code>input[1]</code>. \n\t\t\t *  @type {Tone.Gain}\n\t\t\t */\n\t        this.b = this.input[1] = new Tone.Gain();\n\t        /**\n\t\t\t * \tThe mix between the two inputs. A fade value of 0\n\t\t\t * \twill output 100% <code>input[0]</code> and \n\t\t\t * \ta value of 1 will output 100% <code>input[1]</code>. \n\t\t\t *  @type {NormalRange}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.fade = new Tone.Signal(this.defaultArg(initialFade, 0.5), Tone.Type.NormalRange);\n\t        /**\n\t\t\t *  equal power gain cross fade\n\t\t\t *  @private\n\t\t\t *  @type {Tone.EqualPowerGain}\n\t\t\t */\n\t        this._equalPowerA = new Tone.EqualPowerGain();\n\t        /**\n\t\t\t *  equal power gain cross fade\n\t\t\t *  @private\n\t\t\t *  @type {Tone.EqualPowerGain}\n\t\t\t */\n\t        this._equalPowerB = new Tone.EqualPowerGain();\n\t        /**\n\t\t\t *  invert the incoming signal\n\t\t\t *  @private\n\t\t\t *  @type {Tone}\n\t\t\t */\n\t        this._invert = new Tone.Expr('1 - $0');\n\t        //connections\n\t        this.a.connect(this.output);\n\t        this.b.connect(this.output);\n\t        this.fade.chain(this._equalPowerB, this.b.gain);\n\t        this.fade.chain(this._invert, this._equalPowerA, this.a.gain);\n\t        this._readOnly('fade');\n\t    };\n\t    Tone.extend(Tone.CrossFade);\n\t    /**\n\t\t *  clean up\n\t\t *  @returns {Tone.CrossFade} this\n\t\t */\n\t    Tone.CrossFade.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._writable('fade');\n\t        this._equalPowerA.dispose();\n\t        this._equalPowerA = null;\n\t        this._equalPowerB.dispose();\n\t        this._equalPowerB = null;\n\t        this.fade.dispose();\n\t        this.fade = null;\n\t        this._invert.dispose();\n\t        this._invert = null;\n\t        this.a.dispose();\n\t        this.a = null;\n\t        this.b.dispose();\n\t        this.b = null;\n\t        return this;\n\t    };\n\t    return Tone.CrossFade;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  Tone.Filter is a filter which allows for all of the same native methods\n\t\t *          as the [BiquadFilterNode](http://webaudio.github.io/web-audio-api/#the-biquadfilternode-interface). \n\t\t *          Tone.Filter has the added ability to set the filter rolloff at -12 \n\t\t *          (default), -24 and -48. \n\t\t *\n\t\t *  @constructor\n\t\t *  @extends {Tone}\n\t\t *  @param {Frequency|Object} [frequency] The cutoff frequency of the filter.\n\t\t *  @param {string=} type The type of filter.\n\t\t *  @param {number=} rolloff The drop in decibels per octave after the cutoff frequency.\n\t\t *                            3 choices: -12, -24, and -48\n\t\t *  @example\n\t\t *  var filter = new Tone.Filter(200, \"highpass\");\n\t\t */\n\t    Tone.Filter = function () {\n\t        this.createInsOuts(1, 1);\n\t        var options = this.optionsObject(arguments, [\n\t            'frequency',\n\t            'type',\n\t            'rolloff'\n\t        ], Tone.Filter.defaults);\n\t        /**\n\t\t\t *  the filter(s)\n\t\t\t *  @type {Array}\n\t\t\t *  @private\n\t\t\t */\n\t        this._filters = [];\n\t        /**\n\t\t\t *  The cutoff frequency of the filter. \n\t\t\t *  @type {Frequency}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.frequency = new Tone.Signal(options.frequency, Tone.Type.Frequency);\n\t        /**\n\t\t\t *  The detune parameter\n\t\t\t *  @type {Cents}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.detune = new Tone.Signal(0, Tone.Type.Cents);\n\t        /**\n\t\t\t *  The gain of the filter, only used in certain filter types\n\t\t\t *  @type {Number}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.gain = new Tone.Signal({\n\t            'value': options.gain,\n\t            'convert': false\n\t        });\n\t        /**\n\t\t\t *  The Q or Quality of the filter\n\t\t\t *  @type {Positive}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.Q = new Tone.Signal(options.Q);\n\t        /**\n\t\t\t *  the type of the filter\n\t\t\t *  @type {string}\n\t\t\t *  @private\n\t\t\t */\n\t        this._type = options.type;\n\t        /**\n\t\t\t *  the rolloff value of the filter\n\t\t\t *  @type {number}\n\t\t\t *  @private\n\t\t\t */\n\t        this._rolloff = options.rolloff;\n\t        //set the rolloff;\n\t        this.rolloff = options.rolloff;\n\t        this._readOnly([\n\t            'detune',\n\t            'frequency',\n\t            'gain',\n\t            'Q'\n\t        ]);\n\t    };\n\t    Tone.extend(Tone.Filter);\n\t    /**\n\t\t *  the default parameters\n\t\t *\n\t\t *  @static\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.Filter.defaults = {\n\t        'type': 'lowpass',\n\t        'frequency': 350,\n\t        'rolloff': -12,\n\t        'Q': 1,\n\t        'gain': 0\n\t    };\n\t    /**\n\t\t * The type of the filter. Types: \"lowpass\", \"highpass\", \n\t\t * \"bandpass\", \"lowshelf\", \"highshelf\", \"notch\", \"allpass\", or \"peaking\". \n\t\t * @memberOf Tone.Filter#\n\t\t * @type {string}\n\t\t * @name type\n\t\t */\n\t    Object.defineProperty(Tone.Filter.prototype, 'type', {\n\t        get: function () {\n\t            return this._type;\n\t        },\n\t        set: function (type) {\n\t            var types = [\n\t                'lowpass',\n\t                'highpass',\n\t                'bandpass',\n\t                'lowshelf',\n\t                'highshelf',\n\t                'notch',\n\t                'allpass',\n\t                'peaking'\n\t            ];\n\t            if (types.indexOf(type) === -1) {\n\t                throw new TypeError('Tone.Filter: invalid type ' + type);\n\t            }\n\t            this._type = type;\n\t            for (var i = 0; i < this._filters.length; i++) {\n\t                this._filters[i].type = type;\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t * The rolloff of the filter which is the drop in db\n\t\t * per octave. Implemented internally by cascading filters.\n\t\t * Only accepts the values -12, -24, -48 and -96.\n\t\t * @memberOf Tone.Filter#\n\t\t * @type {number}\n\t\t * @name rolloff\n\t\t */\n\t    Object.defineProperty(Tone.Filter.prototype, 'rolloff', {\n\t        get: function () {\n\t            return this._rolloff;\n\t        },\n\t        set: function (rolloff) {\n\t            rolloff = parseInt(rolloff, 10);\n\t            var possibilities = [\n\t                -12,\n\t                -24,\n\t                -48,\n\t                -96\n\t            ];\n\t            var cascadingCount = possibilities.indexOf(rolloff);\n\t            //check the rolloff is valid\n\t            if (cascadingCount === -1) {\n\t                throw new RangeError('Tone.Filter: rolloff can only be -12, -24, -48 or -96');\n\t            }\n\t            cascadingCount += 1;\n\t            this._rolloff = rolloff;\n\t            //first disconnect the filters and throw them away\n\t            this.input.disconnect();\n\t            for (var i = 0; i < this._filters.length; i++) {\n\t                this._filters[i].disconnect();\n\t                this._filters[i] = null;\n\t            }\n\t            this._filters = new Array(cascadingCount);\n\t            for (var count = 0; count < cascadingCount; count++) {\n\t                var filter = this.context.createBiquadFilter();\n\t                filter.type = this._type;\n\t                this.frequency.connect(filter.frequency);\n\t                this.detune.connect(filter.detune);\n\t                this.Q.connect(filter.Q);\n\t                this.gain.connect(filter.gain);\n\t                this._filters[count] = filter;\n\t            }\n\t            //connect them up\n\t            var connectionChain = [this.input].concat(this._filters).concat([this.output]);\n\t            this.connectSeries.apply(this, connectionChain);\n\t        }\n\t    });\n\t    /**\n\t\t *  Clean up. \n\t\t *  @return {Tone.Filter} this\n\t\t */\n\t    Tone.Filter.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        for (var i = 0; i < this._filters.length; i++) {\n\t            this._filters[i].disconnect();\n\t            this._filters[i] = null;\n\t        }\n\t        this._filters = null;\n\t        this._writable([\n\t            'detune',\n\t            'frequency',\n\t            'gain',\n\t            'Q'\n\t        ]);\n\t        this.frequency.dispose();\n\t        this.Q.dispose();\n\t        this.frequency = null;\n\t        this.Q = null;\n\t        this.detune.dispose();\n\t        this.detune = null;\n\t        this.gain.dispose();\n\t        this.gain = null;\n\t        return this;\n\t    };\n\t    return Tone.Filter;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Split the incoming signal into three bands (low, mid, high)\n\t\t *         with two crossover frequency controls. \n\t\t *\n\t\t *  @extends {Tone}\n\t\t *  @constructor\n\t\t *  @param {Frequency|Object} [lowFrequency] the low/mid crossover frequency\n\t\t *  @param {Frequency} [highFrequency] the mid/high crossover frequency\n\t\t */\n\t    Tone.MultibandSplit = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'lowFrequency',\n\t            'highFrequency'\n\t        ], Tone.MultibandSplit.defaults);\n\t        /**\n\t\t\t *  the input\n\t\t\t *  @type {Tone.Gain}\n\t\t\t *  @private\n\t\t\t */\n\t        this.input = new Tone.Gain();\n\t        /**\n\t\t\t *  the outputs\n\t\t\t *  @type {Array}\n\t\t\t *  @private\n\t\t\t */\n\t        this.output = new Array(3);\n\t        /**\n\t\t\t *  The low band. Alias for <code>output[0]</code>\n\t\t\t *  @type {Tone.Filter}\n\t\t\t */\n\t        this.low = this.output[0] = new Tone.Filter(0, 'lowpass');\n\t        /**\n\t\t\t *  the lower filter of the mid band\n\t\t\t *  @type {Tone.Filter}\n\t\t\t *  @private\n\t\t\t */\n\t        this._lowMidFilter = new Tone.Filter(0, 'highpass');\n\t        /**\n\t\t\t *  The mid band output. Alias for <code>output[1]</code>\n\t\t\t *  @type {Tone.Filter}\n\t\t\t */\n\t        this.mid = this.output[1] = new Tone.Filter(0, 'lowpass');\n\t        /**\n\t\t\t *  The high band output. Alias for <code>output[2]</code>\n\t\t\t *  @type {Tone.Filter}\n\t\t\t */\n\t        this.high = this.output[2] = new Tone.Filter(0, 'highpass');\n\t        /**\n\t\t\t *  The low/mid crossover frequency.\n\t\t\t *  @type {Frequency}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.lowFrequency = new Tone.Signal(options.lowFrequency, Tone.Type.Frequency);\n\t        /**\n\t\t\t *  The mid/high crossover frequency.\n\t\t\t *  @type {Frequency}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.highFrequency = new Tone.Signal(options.highFrequency, Tone.Type.Frequency);\n\t        /**\n\t\t\t *  The quality of all the filters\n\t\t\t *  @type {Number}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.Q = new Tone.Signal(options.Q);\n\t        this.input.fan(this.low, this.high);\n\t        this.input.chain(this._lowMidFilter, this.mid);\n\t        //the frequency control signal\n\t        this.lowFrequency.connect(this.low.frequency);\n\t        this.lowFrequency.connect(this._lowMidFilter.frequency);\n\t        this.highFrequency.connect(this.mid.frequency);\n\t        this.highFrequency.connect(this.high.frequency);\n\t        //the Q value\n\t        this.Q.connect(this.low.Q);\n\t        this.Q.connect(this._lowMidFilter.Q);\n\t        this.Q.connect(this.mid.Q);\n\t        this.Q.connect(this.high.Q);\n\t        this._readOnly([\n\t            'high',\n\t            'mid',\n\t            'low',\n\t            'highFrequency',\n\t            'lowFrequency'\n\t        ]);\n\t    };\n\t    Tone.extend(Tone.MultibandSplit);\n\t    /**\n\t\t *  @private\n\t\t *  @static\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.MultibandSplit.defaults = {\n\t        'lowFrequency': 400,\n\t        'highFrequency': 2500,\n\t        'Q': 1\n\t    };\n\t    /**\n\t\t *  Clean up.\n\t\t *  @returns {Tone.MultibandSplit} this\n\t\t */\n\t    Tone.MultibandSplit.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._writable([\n\t            'high',\n\t            'mid',\n\t            'low',\n\t            'highFrequency',\n\t            'lowFrequency'\n\t        ]);\n\t        this.low.dispose();\n\t        this.low = null;\n\t        this._lowMidFilter.dispose();\n\t        this._lowMidFilter = null;\n\t        this.mid.dispose();\n\t        this.mid = null;\n\t        this.high.dispose();\n\t        this.high = null;\n\t        this.lowFrequency.dispose();\n\t        this.lowFrequency = null;\n\t        this.highFrequency.dispose();\n\t        this.highFrequency = null;\n\t        this.Q.dispose();\n\t        this.Q = null;\n\t        return this;\n\t    };\n\t    return Tone.MultibandSplit;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Tone.EQ3 is a three band EQ with control over low, mid, and high gain as\n\t\t *         well as the low and high crossover frequencies.\n\t\t *\n\t\t *  @constructor\n\t\t *  @extends {Tone}\n\t\t *  \n\t\t *  @param {Decibels|Object} [lowLevel] The gain applied to the lows.\n\t\t *  @param {Decibels} [midLevel] The gain applied to the mid.\n\t\t *  @param {Decibels} [highLevel] The gain applied to the high.\n\t\t *  @example\n\t\t * var eq = new Tone.EQ3(-10, 3, -20);\n\t\t */\n\t    Tone.EQ3 = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'low',\n\t            'mid',\n\t            'high'\n\t        ], Tone.EQ3.defaults);\n\t        /**\n\t\t\t *  the output node\n\t\t\t *  @type {GainNode}\n\t\t\t *  @private\n\t\t\t */\n\t        this.output = new Tone.Gain();\n\t        /**\n\t\t\t *  the multiband split\n\t\t\t *  @type {Tone.MultibandSplit}\n\t\t\t *  @private\n\t\t\t */\n\t        this._multibandSplit = this.input = new Tone.MultibandSplit({\n\t            'lowFrequency': options.lowFrequency,\n\t            'highFrequency': options.highFrequency\n\t        });\n\t        /**\n\t\t\t *  The gain for the lower signals\n\t\t\t *  @type  {Tone.Gain}\n\t\t\t *  @private\n\t\t\t */\n\t        this._lowGain = new Tone.Gain(options.low, Tone.Type.Decibels);\n\t        /**\n\t\t\t *  The gain for the mid signals\n\t\t\t *  @type  {Tone.Gain}\n\t\t\t *  @private\n\t\t\t */\n\t        this._midGain = new Tone.Gain(options.mid, Tone.Type.Decibels);\n\t        /**\n\t\t\t * The gain in decibels of the high part\n\t\t\t * @type {Tone.Gain}\n\t\t\t * @private\n\t\t\t */\n\t        this._highGain = new Tone.Gain(options.high, Tone.Type.Decibels);\n\t        /**\n\t\t\t * The gain in decibels of the low part\n\t\t\t * @type {Decibels}\n\t\t\t * @signal\n\t\t\t */\n\t        this.low = this._lowGain.gain;\n\t        /**\n\t\t\t * The gain in decibels of the mid part\n\t\t\t * @type {Decibels}\n\t\t\t * @signal\n\t\t\t */\n\t        this.mid = this._midGain.gain;\n\t        /**\n\t\t\t * The gain in decibels of the high part\n\t\t\t * @type {Decibels}\n\t\t\t * @signal\n\t\t\t */\n\t        this.high = this._highGain.gain;\n\t        /**\n\t\t\t *  The Q value for all of the filters. \n\t\t\t *  @type {Positive}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.Q = this._multibandSplit.Q;\n\t        /**\n\t\t\t *  The low/mid crossover frequency. \n\t\t\t *  @type {Frequency}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.lowFrequency = this._multibandSplit.lowFrequency;\n\t        /**\n\t\t\t *  The mid/high crossover frequency. \n\t\t\t *  @type {Frequency}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.highFrequency = this._multibandSplit.highFrequency;\n\t        //the frequency bands\n\t        this._multibandSplit.low.chain(this._lowGain, this.output);\n\t        this._multibandSplit.mid.chain(this._midGain, this.output);\n\t        this._multibandSplit.high.chain(this._highGain, this.output);\n\t        this._readOnly([\n\t            'low',\n\t            'mid',\n\t            'high',\n\t            'lowFrequency',\n\t            'highFrequency'\n\t        ]);\n\t    };\n\t    Tone.extend(Tone.EQ3);\n\t    /**\n\t\t *  the default values\n\t\t */\n\t    Tone.EQ3.defaults = {\n\t        'low': 0,\n\t        'mid': 0,\n\t        'high': 0,\n\t        'lowFrequency': 400,\n\t        'highFrequency': 2500\n\t    };\n\t    /**\n\t\t *  clean up\n\t\t *  @returns {Tone.EQ3} this\n\t\t */\n\t    Tone.EQ3.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._writable([\n\t            'low',\n\t            'mid',\n\t            'high',\n\t            'lowFrequency',\n\t            'highFrequency'\n\t        ]);\n\t        this._multibandSplit.dispose();\n\t        this._multibandSplit = null;\n\t        this.lowFrequency = null;\n\t        this.highFrequency = null;\n\t        this._lowGain.dispose();\n\t        this._lowGain = null;\n\t        this._midGain.dispose();\n\t        this._midGain = null;\n\t        this._highGain.dispose();\n\t        this._highGain = null;\n\t        this.low = null;\n\t        this.mid = null;\n\t        this.high = null;\n\t        this.Q = null;\n\t        return this;\n\t    };\n\t    return Tone.EQ3;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  Performs a linear scaling on an input signal.\n\t\t *          Scales a NormalRange input to between\n\t\t *          outputMin and outputMax.\n\t\t *\n\t\t *  @constructor\n\t\t *  @extends {Tone.SignalBase}\n\t\t *  @param {number} [outputMin=0] The output value when the input is 0. \n\t\t *  @param {number} [outputMax=1]\tThe output value when the input is 1. \n\t\t *  @example\n\t\t * var scale = new Tone.Scale(50, 100);\n\t\t * var signal = new Tone.Signal(0.5).connect(scale);\n\t\t * //the output of scale equals 75\n\t\t */\n\t    Tone.Scale = function (outputMin, outputMax) {\n\t        /** \n\t\t\t *  @private\n\t\t\t *  @type {number}\n\t\t\t */\n\t        this._outputMin = this.defaultArg(outputMin, 0);\n\t        /** \n\t\t\t *  @private\n\t\t\t *  @type {number}\n\t\t\t */\n\t        this._outputMax = this.defaultArg(outputMax, 1);\n\t        /** \n\t\t\t *  @private\n\t\t\t *  @type {Tone.Multiply}\n\t\t\t *  @private\n\t\t\t */\n\t        this._scale = this.input = new Tone.Multiply(1);\n\t        /** \n\t\t\t *  @private\n\t\t\t *  @type {Tone.Add}\n\t\t\t *  @private\n\t\t\t */\n\t        this._add = this.output = new Tone.Add(0);\n\t        this._scale.connect(this._add);\n\t        this._setRange();\n\t    };\n\t    Tone.extend(Tone.Scale, Tone.SignalBase);\n\t    /**\n\t\t * The minimum output value. This number is output when \n\t\t * the value input value is 0. \n\t\t * @memberOf Tone.Scale#\n\t\t * @type {number}\n\t\t * @name min\n\t\t */\n\t    Object.defineProperty(Tone.Scale.prototype, 'min', {\n\t        get: function () {\n\t            return this._outputMin;\n\t        },\n\t        set: function (min) {\n\t            this._outputMin = min;\n\t            this._setRange();\n\t        }\n\t    });\n\t    /**\n\t\t * The maximum output value. This number is output when \n\t\t * the value input value is 1. \n\t\t * @memberOf Tone.Scale#\n\t\t * @type {number}\n\t\t * @name max\n\t\t */\n\t    Object.defineProperty(Tone.Scale.prototype, 'max', {\n\t        get: function () {\n\t            return this._outputMax;\n\t        },\n\t        set: function (max) {\n\t            this._outputMax = max;\n\t            this._setRange();\n\t        }\n\t    });\n\t    /**\n\t\t *  set the values\n\t\t *  @private\n\t\t */\n\t    Tone.Scale.prototype._setRange = function () {\n\t        this._add.value = this._outputMin;\n\t        this._scale.value = this._outputMax - this._outputMin;\n\t    };\n\t    /**\n\t\t *  Clean up.\n\t\t *  @returns {Tone.Scale} this\n\t\t */\n\t    Tone.Scale.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._add.dispose();\n\t        this._add = null;\n\t        this._scale.dispose();\n\t        this._scale = null;\n\t        return this;\n\t    };\n\t    return Tone.Scale;\n\t});\n\tModule(function (Tone) {\n\t    /**\n\t\t *  @class  Performs an exponential scaling on an input signal.\n\t\t *          Scales a NormalRange value [0,1] exponentially\n\t\t *          to the output range of outputMin to outputMax.\n\t\t *\n\t\t *  @constructor\n\t\t *  @extends {Tone.SignalBase}\n\t\t *  @param {number} [outputMin=0] The output value when the input is 0. \n\t\t *  @param {number} [outputMax=1]\tThe output value when the input is 1. \n\t\t *  @param {number} [exponent=2] The exponent which scales the incoming signal.\n\t\t *  @example\n\t\t * var scaleExp = new Tone.ScaleExp(0, 100, 2);\n\t\t * var signal = new Tone.Signal(0.5).connect(scaleExp);\n\t\t */\n\t    Tone.ScaleExp = function (outputMin, outputMax, exponent) {\n\t        /**\n\t\t\t *  scale the input to the output range\n\t\t\t *  @type {Tone.Scale}\n\t\t\t *  @private\n\t\t\t */\n\t        this._scale = this.output = new Tone.Scale(outputMin, outputMax);\n\t        /**\n\t\t\t *  @private\n\t\t\t *  @type {Tone.Pow}\n\t\t\t *  @private\n\t\t\t */\n\t        this._exp = this.input = new Tone.Pow(this.defaultArg(exponent, 2));\n\t        this._exp.connect(this._scale);\n\t    };\n\t    Tone.extend(Tone.ScaleExp, Tone.SignalBase);\n\t    /**\n\t\t * Instead of interpolating linearly between the <code>min</code> and \n\t\t * <code>max</code> values, setting the exponent will interpolate between\n\t\t * the two values with an exponential curve. \n\t\t * @memberOf Tone.ScaleExp#\n\t\t * @type {number}\n\t\t * @name exponent\n\t\t */\n\t    Object.defineProperty(Tone.ScaleExp.prototype, 'exponent', {\n\t        get: function () {\n\t            return this._exp.value;\n\t        },\n\t        set: function (exp) {\n\t            this._exp.value = exp;\n\t        }\n\t    });\n\t    /**\n\t\t * The minimum output value. This number is output when \n\t\t * the value input value is 0. \n\t\t * @memberOf Tone.ScaleExp#\n\t\t * @type {number}\n\t\t * @name min\n\t\t */\n\t    Object.defineProperty(Tone.ScaleExp.prototype, 'min', {\n\t        get: function () {\n\t            return this._scale.min;\n\t        },\n\t        set: function (min) {\n\t            this._scale.min = min;\n\t        }\n\t    });\n\t    /**\n\t\t * The maximum output value. This number is output when \n\t\t * the value input value is 1. \n\t\t * @memberOf Tone.ScaleExp#\n\t\t * @type {number}\n\t\t * @name max\n\t\t */\n\t    Object.defineProperty(Tone.ScaleExp.prototype, 'max', {\n\t        get: function () {\n\t            return this._scale.max;\n\t        },\n\t        set: function (max) {\n\t            this._scale.max = max;\n\t        }\n\t    });\n\t    /**\n\t\t *  Clean up.\n\t\t *  @returns {Tone.ScaleExp} this\n\t\t */\n\t    Tone.ScaleExp.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._scale.dispose();\n\t        this._scale = null;\n\t        this._exp.dispose();\n\t        this._exp = null;\n\t        return this;\n\t    };\n\t    return Tone.ScaleExp;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  createDelay shim\n\t\t *  @private\n\t\t */\n\t    if (window.DelayNode && !AudioContext.prototype.createDelay) {\n\t        AudioContext.prototype.createDelay = AudioContext.prototype.createDelayNode;\n\t    }\n\t    /**\n\t\t *  @class Wrapper around Web Audio's native [DelayNode](http://webaudio.github.io/web-audio-api/#the-delaynode-interface). \n\t\t *  @extends {Tone}\n\t\t *  @param {Time=} delayTime The delay applied to the incoming signal.\n\t\t *  @param {Time=} maxDelay The maximum delay time. \n\t\t */\n\t    Tone.Delay = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'delayTime',\n\t            'maxDelay'\n\t        ], Tone.Delay.defaults);\n\t        /**\n\t\t\t *  The native delay node\n\t\t\t *  @type {DelayNode}\n\t\t\t *  @private\n\t\t\t */\n\t        this._delayNode = this.input = this.output = this.context.createDelay(this.toSeconds(options.maxDelay));\n\t        /**\n\t\t\t *  The amount of time the incoming signal is\n\t\t\t *  delayed. \n\t\t\t *  @type {Tone.Param}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.delayTime = new Tone.Param({\n\t            'param': this._delayNode.delayTime,\n\t            'units': Tone.Type.Time,\n\t            'value': options.delayTime\n\t        });\n\t        this._readOnly('delayTime');\n\t    };\n\t    Tone.extend(Tone.Delay);\n\t    /**\n\t\t *  The defaults\n\t\t *  @const\n\t\t *  @type  {Object}\n\t\t */\n\t    Tone.Delay.defaults = {\n\t        'maxDelay': 1,\n\t        'delayTime': 0\n\t    };\n\t    /**\n\t\t *  Clean up.\n\t\t *  @return  {Tone.Delay}  this\n\t\t */\n\t    Tone.Delay.prototype.dispose = function () {\n\t        Tone.Param.prototype.dispose.call(this);\n\t        this._delayNode.disconnect();\n\t        this._delayNode = null;\n\t        this._writable('delayTime');\n\t        this.delayTime = null;\n\t        return this;\n\t    };\n\t    return Tone.Delay;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Comb filters are basic building blocks for physical modeling. Read more\n\t\t *         about comb filters on [CCRMA's website](https://ccrma.stanford.edu/~jos/pasp/Feedback_Comb_Filters.html).\n\t\t *\n\t\t *  @extends {Tone}\n\t\t *  @constructor\n\t\t *  @param {Time|Object} [delayTime] The delay time of the filter. \n\t\t *  @param {NormalRange=} resonance The amount of feedback the filter has. \n\t\t */\n\t    Tone.FeedbackCombFilter = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'delayTime',\n\t            'resonance'\n\t        ], Tone.FeedbackCombFilter.defaults);\n\t        /**\n\t\t\t *  the delay node\n\t\t\t *  @type {DelayNode}\n\t\t\t *  @private\n\t\t\t */\n\t        this._delay = this.input = this.output = new Tone.Delay(options.delayTime);\n\t        /**\n\t\t\t *  The amount of delay of the comb filter. \n\t\t\t *  @type {Time}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.delayTime = this._delay.delayTime;\n\t        /**\n\t\t\t *  the feedback node\n\t\t\t *  @type {GainNode}\n\t\t\t *  @private\n\t\t\t */\n\t        this._feedback = new Tone.Gain(options.resonance, Tone.Type.NormalRange);\n\t        /**\n\t\t\t *  The amount of feedback of the delayed signal. \n\t\t\t *  @type {NormalRange}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.resonance = this._feedback.gain;\n\t        this._delay.chain(this._feedback, this._delay);\n\t        this._readOnly([\n\t            'resonance',\n\t            'delayTime'\n\t        ]);\n\t    };\n\t    Tone.extend(Tone.FeedbackCombFilter);\n\t    /**\n\t\t *  the default parameters\n\t\t *  @static\n\t\t *  @const\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.FeedbackCombFilter.defaults = {\n\t        'delayTime': 0.1,\n\t        'resonance': 0.5\n\t    };\n\t    /**\n\t\t *  clean up\n\t\t *  @returns {Tone.FeedbackCombFilter} this\n\t\t */\n\t    Tone.FeedbackCombFilter.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._writable([\n\t            'resonance',\n\t            'delayTime'\n\t        ]);\n\t        this._delay.dispose();\n\t        this._delay = null;\n\t        this.delayTime = null;\n\t        this._feedback.dispose();\n\t        this._feedback = null;\n\t        this.resonance = null;\n\t        return this;\n\t    };\n\t    return Tone.FeedbackCombFilter;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  Tone.Follower is a  crude envelope follower which will follow \n\t\t *          the amplitude of an incoming signal. \n\t\t *          Take care with small (< 0.02) attack or decay values \n\t\t *          as follower has some ripple which is exaggerated\n\t\t *          at these values. Read more about envelope followers (also known \n\t\t *          as envelope detectors) on [Wikipedia](https://en.wikipedia.org/wiki/Envelope_detector).\n\t\t *  \n\t\t *  @constructor\n\t\t *  @extends {Tone}\n\t\t *  @param {Time|Object} [attack] The rate at which the follower rises.\n\t\t *  @param {Time=} release The rate at which the folower falls. \n\t\t *  @example\n\t\t * var follower = new Tone.Follower(0.2, 0.4);\n\t\t */\n\t    Tone.Follower = function () {\n\t        this.createInsOuts(1, 1);\n\t        var options = this.optionsObject(arguments, [\n\t            'attack',\n\t            'release'\n\t        ], Tone.Follower.defaults);\n\t        /**\n\t\t\t *  @type {Tone.Abs}\n\t\t\t *  @private\n\t\t\t */\n\t        this._abs = new Tone.Abs();\n\t        /**\n\t\t\t *  the lowpass filter which smooths the input\n\t\t\t *  @type {BiquadFilterNode}\n\t\t\t *  @private\n\t\t\t */\n\t        this._filter = this.context.createBiquadFilter();\n\t        this._filter.type = 'lowpass';\n\t        this._filter.frequency.value = 0;\n\t        this._filter.Q.value = -100;\n\t        /**\n\t\t\t *  @type {WaveShaperNode}\n\t\t\t *  @private\n\t\t\t */\n\t        this._frequencyValues = new Tone.WaveShaper();\n\t        /**\n\t\t\t *  @type {Tone.Subtract}\n\t\t\t *  @private\n\t\t\t */\n\t        this._sub = new Tone.Subtract();\n\t        /**\n\t\t\t *  @type {Tone.Delay}\n\t\t\t *  @private\n\t\t\t */\n\t        this._delay = new Tone.Delay(this.blockTime);\n\t        /**\n\t\t\t *  this keeps it far from 0, even for very small differences\n\t\t\t *  @type {Tone.Multiply}\n\t\t\t *  @private\n\t\t\t */\n\t        this._mult = new Tone.Multiply(10000);\n\t        /**\n\t\t\t *  @private\n\t\t\t *  @type {number}\n\t\t\t */\n\t        this._attack = options.attack;\n\t        /**\n\t\t\t *  @private\n\t\t\t *  @type {number}\n\t\t\t */\n\t        this._release = options.release;\n\t        //the smoothed signal to get the values\n\t        this.input.chain(this._abs, this._filter, this.output);\n\t        //the difference path\n\t        this._abs.connect(this._sub, 0, 1);\n\t        this._filter.chain(this._delay, this._sub);\n\t        //threshold the difference and use the thresh to set the frequency\n\t        this._sub.chain(this._mult, this._frequencyValues, this._filter.frequency);\n\t        //set the attack and release values in the table\n\t        this._setAttackRelease(this._attack, this._release);\n\t    };\n\t    Tone.extend(Tone.Follower);\n\t    /**\n\t\t *  @static\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.Follower.defaults = {\n\t        'attack': 0.05,\n\t        'release': 0.5\n\t    };\n\t    /**\n\t\t *  sets the attack and release times in the wave shaper\n\t\t *  @param   {Time} attack  \n\t\t *  @param   {Time} release \n\t\t *  @private\n\t\t */\n\t    Tone.Follower.prototype._setAttackRelease = function (attack, release) {\n\t        var minTime = this.blockTime;\n\t        attack = Tone.Time(attack).toFrequency();\n\t        release = Tone.Time(release).toFrequency();\n\t        attack = Math.max(attack, minTime);\n\t        release = Math.max(release, minTime);\n\t        this._frequencyValues.setMap(function (val) {\n\t            if (val <= 0) {\n\t                return attack;\n\t            } else {\n\t                return release;\n\t            }\n\t        });\n\t    };\n\t    /**\n\t\t * The attack time.\n\t\t * @memberOf Tone.Follower#\n\t\t * @type {Time}\n\t\t * @name attack\n\t\t */\n\t    Object.defineProperty(Tone.Follower.prototype, 'attack', {\n\t        get: function () {\n\t            return this._attack;\n\t        },\n\t        set: function (attack) {\n\t            this._attack = attack;\n\t            this._setAttackRelease(this._attack, this._release);\n\t        }\n\t    });\n\t    /**\n\t\t * The release time.\n\t\t * @memberOf Tone.Follower#\n\t\t * @type {Time}\n\t\t * @name release\n\t\t */\n\t    Object.defineProperty(Tone.Follower.prototype, 'release', {\n\t        get: function () {\n\t            return this._release;\n\t        },\n\t        set: function (release) {\n\t            this._release = release;\n\t            this._setAttackRelease(this._attack, this._release);\n\t        }\n\t    });\n\t    /**\n\t\t *  Borrows the connect method from Signal so that the output can be used\n\t\t *  as a Tone.Signal control signal.\n\t\t *  @function\n\t\t */\n\t    Tone.Follower.prototype.connect = Tone.Signal.prototype.connect;\n\t    /**\n\t\t *  dispose\n\t\t *  @returns {Tone.Follower} this\n\t\t */\n\t    Tone.Follower.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._filter.disconnect();\n\t        this._filter = null;\n\t        this._frequencyValues.disconnect();\n\t        this._frequencyValues = null;\n\t        this._delay.dispose();\n\t        this._delay = null;\n\t        this._sub.disconnect();\n\t        this._sub = null;\n\t        this._abs.dispose();\n\t        this._abs = null;\n\t        this._mult.dispose();\n\t        this._mult = null;\n\t        this._curve = null;\n\t        return this;\n\t    };\n\t    return Tone.Follower;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Tone.ScaledEnvelop is an envelope which can be scaled \n\t\t *         to any range. It's useful for applying an envelope \n\t\t *         to a frequency or any other non-NormalRange signal \n\t\t *         parameter. \n\t\t *\n\t\t *  @extends {Tone.Envelope}\n\t\t *  @constructor\n\t\t *  @param {Time|Object} [attack]\tthe attack time in seconds\n\t\t *  @param {Time} [decay]\tthe decay time in seconds\n\t\t *  @param {number} [sustain] \ta percentage (0-1) of the full amplitude\n\t\t *  @param {Time} [release]\tthe release time in seconds\n\t\t *  @example\n\t\t *  var scaledEnv = new Tone.ScaledEnvelope({\n\t\t *  \t\"attack\" : 0.2,\n\t\t *  \t\"min\" : 200,\n\t\t *  \t\"max\" : 2000\n\t\t *  });\n\t\t *  scaledEnv.connect(oscillator.frequency);\n\t\t */\n\t    Tone.ScaledEnvelope = function () {\n\t        //get all of the defaults\n\t        var options = this.optionsObject(arguments, [\n\t            'attack',\n\t            'decay',\n\t            'sustain',\n\t            'release'\n\t        ], Tone.Envelope.defaults);\n\t        Tone.Envelope.call(this, options);\n\t        options = this.defaultArg(options, Tone.ScaledEnvelope.defaults);\n\t        /** \n\t\t\t *  scale the incoming signal by an exponent\n\t\t\t *  @type {Tone.Pow}\n\t\t\t *  @private\n\t\t\t */\n\t        this._exp = this.output = new Tone.Pow(options.exponent);\n\t        /**\n\t\t\t *  scale the signal to the desired range\n\t\t\t *  @type {Tone.Multiply}\n\t\t\t *  @private\n\t\t\t */\n\t        this._scale = this.output = new Tone.Scale(options.min, options.max);\n\t        this._sig.chain(this._exp, this._scale);\n\t    };\n\t    Tone.extend(Tone.ScaledEnvelope, Tone.Envelope);\n\t    /**\n\t\t *  the default parameters\n\t\t *  @static\n\t\t */\n\t    Tone.ScaledEnvelope.defaults = {\n\t        'min': 0,\n\t        'max': 1,\n\t        'exponent': 1\n\t    };\n\t    /**\n\t\t * The envelope's min output value. This is the value which it\n\t\t * starts at. \n\t\t * @memberOf Tone.ScaledEnvelope#\n\t\t * @type {number}\n\t\t * @name min\n\t\t */\n\t    Object.defineProperty(Tone.ScaledEnvelope.prototype, 'min', {\n\t        get: function () {\n\t            return this._scale.min;\n\t        },\n\t        set: function (min) {\n\t            this._scale.min = min;\n\t        }\n\t    });\n\t    /**\n\t\t * The envelope's max output value. In other words, the value\n\t\t * at the peak of the attack portion of the envelope. \n\t\t * @memberOf Tone.ScaledEnvelope#\n\t\t * @type {number}\n\t\t * @name max\n\t\t */\n\t    Object.defineProperty(Tone.ScaledEnvelope.prototype, 'max', {\n\t        get: function () {\n\t            return this._scale.max;\n\t        },\n\t        set: function (max) {\n\t            this._scale.max = max;\n\t        }\n\t    });\n\t    /**\n\t\t * The envelope's exponent value. \n\t\t * @memberOf Tone.ScaledEnvelope#\n\t\t * @type {number}\n\t\t * @name exponent\n\t\t */\n\t    Object.defineProperty(Tone.ScaledEnvelope.prototype, 'exponent', {\n\t        get: function () {\n\t            return this._exp.value;\n\t        },\n\t        set: function (exp) {\n\t            this._exp.value = exp;\n\t        }\n\t    });\n\t    /**\n\t\t *  clean up\n\t\t *  @returns {Tone.ScaledEnvelope} this\n\t\t */\n\t    Tone.ScaledEnvelope.prototype.dispose = function () {\n\t        Tone.Envelope.prototype.dispose.call(this);\n\t        this._scale.dispose();\n\t        this._scale = null;\n\t        this._exp.dispose();\n\t        this._exp = null;\n\t        return this;\n\t    };\n\t    return Tone.ScaledEnvelope;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Tone.FrequencyEnvelope is a Tone.ScaledEnvelope, but instead of `min` and `max`\n\t\t *         it's got a `baseFrequency` and `octaves` parameter. \n\t\t *\n\t\t *  @extends {Tone.Envelope}\n\t\t *  @constructor\n\t\t *  @param {Time|Object} [attack]\tthe attack time in seconds\n\t\t *  @param {Time} [decay]\tthe decay time in seconds\n\t\t *  @param {number} [sustain] \ta percentage (0-1) of the full amplitude\n\t\t *  @param {Time} [release]\tthe release time in seconds\n\t\t *  @example\n\t\t *  var env = new Tone.FrequencyEnvelope({\n\t\t *  \t\"attack\" : 0.2,\n\t\t *  \t\"baseFrequency\" : \"C2\",\n\t\t *  \t\"octaves\" : 4\n\t\t *  });\n\t\t *  scaledEnv.connect(oscillator.frequency);\n\t\t */\n\t    Tone.FrequencyEnvelope = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'attack',\n\t            'decay',\n\t            'sustain',\n\t            'release'\n\t        ], Tone.Envelope.defaults);\n\t        Tone.ScaledEnvelope.call(this, options);\n\t        options = this.defaultArg(options, Tone.FrequencyEnvelope.defaults);\n\t        /**\n\t\t\t *  Stores the octave value\n\t\t\t *  @type {Positive}\n\t\t\t *  @private\n\t\t\t */\n\t        this._octaves = options.octaves;\n\t        //setup\n\t        this.baseFrequency = options.baseFrequency;\n\t        this.octaves = options.octaves;\n\t    };\n\t    Tone.extend(Tone.FrequencyEnvelope, Tone.Envelope);\n\t    /**\n\t\t *  the default parameters\n\t\t *  @static\n\t\t */\n\t    Tone.FrequencyEnvelope.defaults = {\n\t        'baseFrequency': 200,\n\t        'octaves': 4,\n\t        'exponent': 2\n\t    };\n\t    /**\n\t\t * The envelope's mininum output value. This is the value which it\n\t\t * starts at. \n\t\t * @memberOf Tone.FrequencyEnvelope#\n\t\t * @type {Frequency}\n\t\t * @name baseFrequency\n\t\t */\n\t    Object.defineProperty(Tone.FrequencyEnvelope.prototype, 'baseFrequency', {\n\t        get: function () {\n\t            return this._scale.min;\n\t        },\n\t        set: function (min) {\n\t            this._scale.min = this.toFrequency(min);\n\t            //also update the octaves\n\t            this.octaves = this._octaves;\n\t        }\n\t    });\n\t    /**\n\t\t * The number of octaves above the baseFrequency that the\n\t\t * envelope will scale to.\n\t\t * @memberOf Tone.FrequencyEnvelope#\n\t\t * @type {Positive}\n\t\t * @name octaves\n\t\t */\n\t    Object.defineProperty(Tone.FrequencyEnvelope.prototype, 'octaves', {\n\t        get: function () {\n\t            return this._octaves;\n\t        },\n\t        set: function (octaves) {\n\t            this._octaves = octaves;\n\t            this._scale.max = this.baseFrequency * Math.pow(2, octaves);\n\t        }\n\t    });\n\t    /**\n\t\t * The envelope's exponent value. \n\t\t * @memberOf Tone.FrequencyEnvelope#\n\t\t * @type {number}\n\t\t * @name exponent\n\t\t */\n\t    Object.defineProperty(Tone.FrequencyEnvelope.prototype, 'exponent', {\n\t        get: function () {\n\t            return this._exp.value;\n\t        },\n\t        set: function (exp) {\n\t            this._exp.value = exp;\n\t        }\n\t    });\n\t    /**\n\t\t *  clean up\n\t\t *  @returns {Tone.FrequencyEnvelope} this\n\t\t */\n\t    Tone.FrequencyEnvelope.prototype.dispose = function () {\n\t        Tone.ScaledEnvelope.prototype.dispose.call(this);\n\t        return this;\n\t    };\n\t    return Tone.FrequencyEnvelope;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  Tone.Gate only passes a signal through when the incoming \n\t\t *          signal exceeds a specified threshold. To do this, Gate uses \n\t\t *          a Tone.Follower to follow the amplitude of the incoming signal. \n\t\t *          A common implementation of this class is a [Noise Gate](https://en.wikipedia.org/wiki/Noise_gate).\n\t\t *  \n\t\t *  @constructor\n\t\t *  @extends {Tone}\n\t\t *  @param {Decibels|Object} [threshold] The threshold above which the gate will open. \n\t\t *  @param {Time=} attack The follower's attack time\n\t\t *  @param {Time=} release The follower's release time\n\t\t *  @example\n\t\t * var gate = new Tone.Gate(-30, 0.2, 0.3).toMaster();\n\t\t * var mic = new Tone.UserMedia().connect(gate);\n\t\t * //the gate will only pass through the incoming \n\t\t * //signal when it's louder than -30db\n\t\t */\n\t    Tone.Gate = function () {\n\t        this.createInsOuts(1, 1);\n\t        var options = this.optionsObject(arguments, [\n\t            'threshold',\n\t            'attack',\n\t            'release'\n\t        ], Tone.Gate.defaults);\n\t        /**\n\t\t\t *  @type {Tone.Follower}\n\t\t\t *  @private\n\t\t\t */\n\t        this._follower = new Tone.Follower(options.attack, options.release);\n\t        /**\n\t\t\t *  @type {Tone.GreaterThan}\n\t\t\t *  @private\n\t\t\t */\n\t        this._gt = new Tone.GreaterThan(this.dbToGain(options.threshold));\n\t        //the connections\n\t        this.input.connect(this.output);\n\t        //the control signal\n\t        this.input.chain(this._gt, this._follower, this.output.gain);\n\t    };\n\t    Tone.extend(Tone.Gate);\n\t    /**\n\t\t *  @const\n\t\t *  @static\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.Gate.defaults = {\n\t        'attack': 0.1,\n\t        'release': 0.1,\n\t        'threshold': -40\n\t    };\n\t    /**\n\t\t * The threshold of the gate in decibels\n\t\t * @memberOf Tone.Gate#\n\t\t * @type {Decibels}\n\t\t * @name threshold\n\t\t */\n\t    Object.defineProperty(Tone.Gate.prototype, 'threshold', {\n\t        get: function () {\n\t            return this.gainToDb(this._gt.value);\n\t        },\n\t        set: function (thresh) {\n\t            this._gt.value = this.dbToGain(thresh);\n\t        }\n\t    });\n\t    /**\n\t\t * The attack speed of the gate\n\t\t * @memberOf Tone.Gate#\n\t\t * @type {Time}\n\t\t * @name attack\n\t\t */\n\t    Object.defineProperty(Tone.Gate.prototype, 'attack', {\n\t        get: function () {\n\t            return this._follower.attack;\n\t        },\n\t        set: function (attackTime) {\n\t            this._follower.attack = attackTime;\n\t        }\n\t    });\n\t    /**\n\t\t * The release speed of the gate\n\t\t * @memberOf Tone.Gate#\n\t\t * @type {Time}\n\t\t * @name release\n\t\t */\n\t    Object.defineProperty(Tone.Gate.prototype, 'release', {\n\t        get: function () {\n\t            return this._follower.release;\n\t        },\n\t        set: function (releaseTime) {\n\t            this._follower.release = releaseTime;\n\t        }\n\t    });\n\t    /**\n\t\t *  Clean up. \n\t\t *  @returns {Tone.Gate} this\n\t\t */\n\t    Tone.Gate.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._follower.dispose();\n\t        this._gt.dispose();\n\t        this._follower = null;\n\t        this._gt = null;\n\t        return this;\n\t    };\n\t    return Tone.Gate;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  A Timeline State. Provides the methods: <code>setStateAtTime(\"state\", time)</code>\n\t\t *          and <code>getValueAtTime(time)</code>.\n\t\t *\n\t\t *  @extends {Tone.Timeline}\n\t\t *  @param {String} initial The initial state of the TimelineState. \n\t\t *                          Defaults to <code>undefined</code>\n\t\t */\n\t    Tone.TimelineState = function (initial) {\n\t        Tone.Timeline.call(this);\n\t        /**\n\t\t\t *  The initial state\n\t\t\t *  @private\n\t\t\t *  @type {String}\n\t\t\t */\n\t        this._initial = initial;\n\t    };\n\t    Tone.extend(Tone.TimelineState, Tone.Timeline);\n\t    /**\n\t\t *  Returns the scheduled state scheduled before or at\n\t\t *  the given time.\n\t\t *  @param  {Number}  time  The time to query.\n\t\t *  @return  {String}  The name of the state input in setStateAtTime.\n\t\t */\n\t    Tone.TimelineState.prototype.getValueAtTime = function (time) {\n\t        var event = this.get(time);\n\t        if (event !== null) {\n\t            return event.state;\n\t        } else {\n\t            return this._initial;\n\t        }\n\t    };\n\t    /**\n\t\t *  Returns the scheduled state scheduled before or at\n\t\t *  the given time.\n\t\t *  @param  {String}  state The name of the state to set.\n\t\t *  @param  {Number}  time  The time to query.\n\t\t */\n\t    Tone.TimelineState.prototype.setStateAtTime = function (state, time) {\n\t        this.add({\n\t            'state': state,\n\t            'time': time\n\t        });\n\t    };\n\t    return Tone.TimelineState;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  A sample accurate clock which provides a callback at the given rate. \n\t\t *          While the callback is not sample-accurate (it is still susceptible to\n\t\t *          loose JS timing), the time passed in as the argument to the callback\n\t\t *          is precise. For most applications, it is better to use Tone.Transport\n\t\t *          instead of the Clock by itself since you can synchronize multiple callbacks.\n\t\t *\n\t\t * \t@constructor\n\t\t *  @extends {Tone.Emitter}\n\t\t * \t@param {function} callback The callback to be invoked with the time of the audio event\n\t\t * \t@param {Frequency} frequency The rate of the callback\n\t\t * \t@example\n\t\t * //the callback will be invoked approximately once a second\n\t\t * //and will print the time exactly once a second apart.\n\t\t * var clock = new Tone.Clock(function(time){\n\t\t * \tconsole.log(time);\n\t\t * }, 1);\n\t\t */\n\t    Tone.Clock = function () {\n\t        Tone.Emitter.call(this);\n\t        var options = this.optionsObject(arguments, [\n\t            'callback',\n\t            'frequency'\n\t        ], Tone.Clock.defaults);\n\t        /**\n\t\t\t *  The callback function to invoke at the scheduled tick.\n\t\t\t *  @type  {Function}\n\t\t\t */\n\t        this.callback = options.callback;\n\t        /**\n\t\t\t *  The next time the callback is scheduled.\n\t\t\t *  @type {Number}\n\t\t\t *  @private\n\t\t\t */\n\t        this._nextTick = 0;\n\t        /**\n\t\t\t *  The last state of the clock.\n\t\t\t *  @type  {State}\n\t\t\t *  @private\n\t\t\t */\n\t        this._lastState = Tone.State.Stopped;\n\t        /**\n\t\t\t *  The rate the callback function should be invoked. \n\t\t\t *  @type  {BPM}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.frequency = new Tone.TimelineSignal(options.frequency, Tone.Type.Frequency);\n\t        this._readOnly('frequency');\n\t        /**\n\t\t\t *  The number of times the callback was invoked. Starts counting at 0\n\t\t\t *  and increments after the callback was invoked. \n\t\t\t *  @type {Ticks}\n\t\t\t *  @readOnly\n\t\t\t */\n\t        this.ticks = 0;\n\t        /**\n\t\t\t *  The state timeline\n\t\t\t *  @type {Tone.TimelineState}\n\t\t\t *  @private\n\t\t\t */\n\t        this._state = new Tone.TimelineState(Tone.State.Stopped);\n\t        /**\n\t\t\t *  The loop function bound to its context. \n\t\t\t *  This is necessary to remove the event in the end.\n\t\t\t *  @type {Function}\n\t\t\t *  @private\n\t\t\t */\n\t        this._boundLoop = this._loop.bind(this);\n\t        //bind a callback to the worker thread\n\t        this.context.on('tick', this._boundLoop);\n\t    };\n\t    Tone.extend(Tone.Clock, Tone.Emitter);\n\t    /**\n\t\t *  The defaults\n\t\t *  @const\n\t\t *  @type  {Object}\n\t\t */\n\t    Tone.Clock.defaults = {\n\t        'callback': Tone.noOp,\n\t        'frequency': 1,\n\t        'lookAhead': 'auto'\n\t    };\n\t    /**\n\t\t *  Returns the playback state of the source, either \"started\", \"stopped\" or \"paused\".\n\t\t *  @type {Tone.State}\n\t\t *  @readOnly\n\t\t *  @memberOf Tone.Clock#\n\t\t *  @name state\n\t\t */\n\t    Object.defineProperty(Tone.Clock.prototype, 'state', {\n\t        get: function () {\n\t            return this._state.getValueAtTime(this.now());\n\t        }\n\t    });\n\t    /**\n\t\t *  Start the clock at the given time. Optionally pass in an offset\n\t\t *  of where to start the tick counter from.\n\t\t *  @param  {Time}  time    The time the clock should start\n\t\t *  @param  {Ticks=}  offset  Where the tick counter starts counting from.\n\t\t *  @return  {Tone.Clock}  this\n\t\t */\n\t    Tone.Clock.prototype.start = function (time, offset) {\n\t        time = this.toSeconds(time);\n\t        if (this._state.getValueAtTime(time) !== Tone.State.Started) {\n\t            this._state.add({\n\t                'state': Tone.State.Started,\n\t                'time': time,\n\t                'offset': offset\n\t            });\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Stop the clock. Stopping the clock resets the tick counter to 0.\n\t\t *  @param {Time} [time=now] The time when the clock should stop.\n\t\t *  @returns {Tone.Clock} this\n\t\t *  @example\n\t\t * clock.stop();\n\t\t */\n\t    Tone.Clock.prototype.stop = function (time) {\n\t        time = this.toSeconds(time);\n\t        this._state.cancel(time);\n\t        this._state.setStateAtTime(Tone.State.Stopped, time);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Pause the clock. Pausing does not reset the tick counter.\n\t\t *  @param {Time} [time=now] The time when the clock should stop.\n\t\t *  @returns {Tone.Clock} this\n\t\t */\n\t    Tone.Clock.prototype.pause = function (time) {\n\t        time = this.toSeconds(time);\n\t        if (this._state.getValueAtTime(time) === Tone.State.Started) {\n\t            this._state.setStateAtTime(Tone.State.Paused, time);\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  The scheduling loop.\n\t\t *  @param  {Number}  time  The current page time starting from 0\n\t\t *                          when the page was loaded.\n\t\t *  @private\n\t\t */\n\t    Tone.Clock.prototype._loop = function () {\n\t        //get the frequency value to compute the value of the next loop\n\t        var now = this.now();\n\t        //if it's started\n\t        var lookAhead = this.context.lookAhead;\n\t        var updateInterval = this.context.updateInterval;\n\t        var lagCompensation = this.context.lag * 2;\n\t        var loopInterval = now + lookAhead + updateInterval + lagCompensation;\n\t        while (loopInterval > this._nextTick && this._state) {\n\t            var currentState = this._state.getValueAtTime(this._nextTick);\n\t            if (currentState !== this._lastState) {\n\t                this._lastState = currentState;\n\t                var event = this._state.get(this._nextTick);\n\t                // emit an event\n\t                if (currentState === Tone.State.Started) {\n\t                    //correct the time\n\t                    this._nextTick = event.time;\n\t                    if (!this.isUndef(event.offset)) {\n\t                        this.ticks = event.offset;\n\t                    }\n\t                    this.emit('start', event.time, this.ticks);\n\t                } else if (currentState === Tone.State.Stopped) {\n\t                    this.ticks = 0;\n\t                    this.emit('stop', event.time);\n\t                } else if (currentState === Tone.State.Paused) {\n\t                    this.emit('pause', event.time);\n\t                }\n\t            }\n\t            var tickTime = this._nextTick;\n\t            if (this.frequency) {\n\t                this._nextTick += 1 / this.frequency.getValueAtTime(this._nextTick);\n\t                if (currentState === Tone.State.Started) {\n\t                    this.callback(tickTime);\n\t                    this.ticks++;\n\t                }\n\t            }\n\t        }\n\t    };\n\t    /**\n\t\t *  Returns the scheduled state at the given time.\n\t\t *  @param  {Time}  time  The time to query.\n\t\t *  @return  {String}  The name of the state input in setStateAtTime.\n\t\t *  @example\n\t\t * clock.start(\"+0.1\");\n\t\t * clock.getStateAtTime(\"+0.1\"); //returns \"started\"\n\t\t */\n\t    Tone.Clock.prototype.getStateAtTime = function (time) {\n\t        time = this.toSeconds(time);\n\t        return this._state.getValueAtTime(time);\n\t    };\n\t    /**\n\t\t *  Clean up\n\t\t *  @returns {Tone.Clock} this\n\t\t */\n\t    Tone.Clock.prototype.dispose = function () {\n\t        Tone.Emitter.prototype.dispose.call(this);\n\t        this.context.off('tick', this._boundLoop);\n\t        this._writable('frequency');\n\t        this.frequency.dispose();\n\t        this.frequency = null;\n\t        this._boundLoop = null;\n\t        this._nextTick = Infinity;\n\t        this.callback = null;\n\t        this._state.dispose();\n\t        this._state = null;\n\t    };\n\t    return Tone.Clock;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Similar to Tone.Timeline, but all events represent\n\t\t *         intervals with both \"time\" and \"duration\" times. The \n\t\t *         events are placed in a tree structure optimized\n\t\t *         for querying an intersection point with the timeline\n\t\t *         events. Internally uses an [Interval Tree](https://en.wikipedia.org/wiki/Interval_tree)\n\t\t *         to represent the data.\n\t\t *  @extends {Tone}\n\t\t */\n\t    Tone.IntervalTimeline = function () {\n\t        /**\n\t\t\t *  The root node of the inteval tree\n\t\t\t *  @type  {IntervalNode}\n\t\t\t *  @private\n\t\t\t */\n\t        this._root = null;\n\t        /**\n\t\t\t *  Keep track of the length of the timeline.\n\t\t\t *  @type  {Number}\n\t\t\t *  @private\n\t\t\t */\n\t        this._length = 0;\n\t    };\n\t    Tone.extend(Tone.IntervalTimeline);\n\t    /**\n\t\t *  The event to add to the timeline. All events must \n\t\t *  have a time and duration value\n\t\t *  @param  {Object}  event  The event to add to the timeline\n\t\t *  @return  {Tone.IntervalTimeline}  this\n\t\t */\n\t    Tone.IntervalTimeline.prototype.add = function (event) {\n\t        if (this.isUndef(event.time) || this.isUndef(event.duration)) {\n\t            throw new Error('Tone.IntervalTimeline: events must have time and duration parameters');\n\t        }\n\t        var node = new IntervalNode(event.time, event.time + event.duration, event);\n\t        if (this._root === null) {\n\t            this._root = node;\n\t        } else {\n\t            this._root.insert(node);\n\t        }\n\t        this._length++;\n\t        // Restructure tree to be balanced\n\t        while (node !== null) {\n\t            node.updateHeight();\n\t            node.updateMax();\n\t            this._rebalance(node);\n\t            node = node.parent;\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Remove an event from the timeline.\n\t\t *  @param  {Object}  event  The event to remove from the timeline\n\t\t *  @return  {Tone.IntervalTimeline}  this\n\t\t */\n\t    Tone.IntervalTimeline.prototype.remove = function (event) {\n\t        if (this._root !== null) {\n\t            var results = [];\n\t            this._root.search(event.time, results);\n\t            for (var i = 0; i < results.length; i++) {\n\t                var node = results[i];\n\t                if (node.event === event) {\n\t                    this._removeNode(node);\n\t                    this._length--;\n\t                    break;\n\t                }\n\t            }\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  The number of items in the timeline.\n\t\t *  @type {Number}\n\t\t *  @memberOf Tone.IntervalTimeline#\n\t\t *  @name length\n\t\t *  @readOnly\n\t\t */\n\t    Object.defineProperty(Tone.IntervalTimeline.prototype, 'length', {\n\t        get: function () {\n\t            return this._length;\n\t        }\n\t    });\n\t    /**\n\t\t *  Remove events whose time time is after the given time\n\t\t *  @param  {Number}  time  The time to query.\n\t\t *  @returns {Tone.IntervalTimeline} this\n\t\t */\n\t    Tone.IntervalTimeline.prototype.cancel = function (after) {\n\t        this.forEachAfter(after, function (event) {\n\t            this.remove(event);\n\t        }.bind(this));\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Set the root node as the given node\n\t\t *  @param {IntervalNode} node\n\t\t *  @private\n\t\t */\n\t    Tone.IntervalTimeline.prototype._setRoot = function (node) {\n\t        this._root = node;\n\t        if (this._root !== null) {\n\t            this._root.parent = null;\n\t        }\n\t    };\n\t    /**\n\t\t *  Replace the references to the node in the node's parent\n\t\t *  with the replacement node.\n\t\t *  @param  {IntervalNode}  node        \n\t\t *  @param  {IntervalNode}  replacement \n\t\t *  @private\n\t\t */\n\t    Tone.IntervalTimeline.prototype._replaceNodeInParent = function (node, replacement) {\n\t        if (node.parent !== null) {\n\t            if (node.isLeftChild()) {\n\t                node.parent.left = replacement;\n\t            } else {\n\t                node.parent.right = replacement;\n\t            }\n\t            this._rebalance(node.parent);\n\t        } else {\n\t            this._setRoot(replacement);\n\t        }\n\t    };\n\t    /**\n\t\t *  Remove the node from the tree and replace it with \n\t\t *  a successor which follows the schema.\n\t\t *  @param  {IntervalNode}  node\n\t\t *  @private\n\t\t */\n\t    Tone.IntervalTimeline.prototype._removeNode = function (node) {\n\t        if (node.left === null && node.right === null) {\n\t            this._replaceNodeInParent(node, null);\n\t        } else if (node.right === null) {\n\t            this._replaceNodeInParent(node, node.left);\n\t        } else if (node.left === null) {\n\t            this._replaceNodeInParent(node, node.right);\n\t        } else {\n\t            var balance = node.getBalance();\n\t            var replacement, temp;\n\t            if (balance > 0) {\n\t                if (node.left.right === null) {\n\t                    replacement = node.left;\n\t                    replacement.right = node.right;\n\t                    temp = replacement;\n\t                } else {\n\t                    replacement = node.left.right;\n\t                    while (replacement.right !== null) {\n\t                        replacement = replacement.right;\n\t                    }\n\t                    replacement.parent.right = replacement.left;\n\t                    temp = replacement.parent;\n\t                    replacement.left = node.left;\n\t                    replacement.right = node.right;\n\t                }\n\t            } else {\n\t                if (node.right.left === null) {\n\t                    replacement = node.right;\n\t                    replacement.left = node.left;\n\t                    temp = replacement;\n\t                } else {\n\t                    replacement = node.right.left;\n\t                    while (replacement.left !== null) {\n\t                        replacement = replacement.left;\n\t                    }\n\t                    replacement.parent = replacement.parent;\n\t                    replacement.parent.left = replacement.right;\n\t                    temp = replacement.parent;\n\t                    replacement.left = node.left;\n\t                    replacement.right = node.right;\n\t                }\n\t            }\n\t            if (node.parent !== null) {\n\t                if (node.isLeftChild()) {\n\t                    node.parent.left = replacement;\n\t                } else {\n\t                    node.parent.right = replacement;\n\t                }\n\t            } else {\n\t                this._setRoot(replacement);\n\t            }\n\t            // this._replaceNodeInParent(node, replacement);\n\t            this._rebalance(temp);\n\t        }\n\t        node.dispose();\n\t    };\n\t    /**\n\t\t *  Rotate the tree to the left\n\t\t *  @param  {IntervalNode}  node\n\t\t *  @private\n\t\t */\n\t    Tone.IntervalTimeline.prototype._rotateLeft = function (node) {\n\t        var parent = node.parent;\n\t        var isLeftChild = node.isLeftChild();\n\t        // Make node.right the new root of this sub tree (instead of node)\n\t        var pivotNode = node.right;\n\t        node.right = pivotNode.left;\n\t        pivotNode.left = node;\n\t        if (parent !== null) {\n\t            if (isLeftChild) {\n\t                parent.left = pivotNode;\n\t            } else {\n\t                parent.right = pivotNode;\n\t            }\n\t        } else {\n\t            this._setRoot(pivotNode);\n\t        }\n\t    };\n\t    /**\n\t\t *  Rotate the tree to the right\n\t\t *  @param  {IntervalNode}  node\n\t\t *  @private\n\t\t */\n\t    Tone.IntervalTimeline.prototype._rotateRight = function (node) {\n\t        var parent = node.parent;\n\t        var isLeftChild = node.isLeftChild();\n\t        // Make node.left the new root of this sub tree (instead of node)\n\t        var pivotNode = node.left;\n\t        node.left = pivotNode.right;\n\t        pivotNode.right = node;\n\t        if (parent !== null) {\n\t            if (isLeftChild) {\n\t                parent.left = pivotNode;\n\t            } else {\n\t                parent.right = pivotNode;\n\t            }\n\t        } else {\n\t            this._setRoot(pivotNode);\n\t        }\n\t    };\n\t    /**\n\t\t *  Balance the BST\n\t\t *  @param  {IntervalNode}  node\n\t\t *  @private\n\t\t */\n\t    Tone.IntervalTimeline.prototype._rebalance = function (node) {\n\t        var balance = node.getBalance();\n\t        if (balance > 1) {\n\t            if (node.left.getBalance() < 0) {\n\t                this._rotateLeft(node.left);\n\t            } else {\n\t                this._rotateRight(node);\n\t            }\n\t        } else if (balance < -1) {\n\t            if (node.right.getBalance() > 0) {\n\t                this._rotateRight(node.right);\n\t            } else {\n\t                this._rotateLeft(node);\n\t            }\n\t        }\n\t    };\n\t    /**\n\t\t *  Get an event whose time and duration span the give time. Will\n\t\t *  return the match whose \"time\" value is closest to the given time.\n\t\t *  @param  {Object}  event  The event to add to the timeline\n\t\t *  @return  {Object}  The event which spans the desired time\n\t\t */\n\t    Tone.IntervalTimeline.prototype.get = function (time) {\n\t        if (this._root !== null) {\n\t            var results = [];\n\t            this._root.search(time, results);\n\t            if (results.length > 0) {\n\t                var max = results[0];\n\t                for (var i = 1; i < results.length; i++) {\n\t                    if (results[i].low > max.low) {\n\t                        max = results[i];\n\t                    }\n\t                }\n\t                return max.event;\n\t            }\n\t        }\n\t        return null;\n\t    };\n\t    /**\n\t\t *  Iterate over everything in the timeline.\n\t\t *  @param  {Function}  callback The callback to invoke with every item\n\t\t *  @returns {Tone.IntervalTimeline} this\n\t\t */\n\t    Tone.IntervalTimeline.prototype.forEach = function (callback) {\n\t        if (this._root !== null) {\n\t            var allNodes = [];\n\t            if (this._root !== null) {\n\t                this._root.traverse(function (node) {\n\t                    allNodes.push(node);\n\t                });\n\t            }\n\t            for (var i = 0; i < allNodes.length; i++) {\n\t                var ev = allNodes[i].event;\n\t                if (ev) {\n\t                    callback(ev);\n\t                }\n\t            }\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Iterate over everything in the array in which the given time\n\t\t *  overlaps with the time and duration time of the event.\n\t\t *  @param  {Number}  time The time to check if items are overlapping\n\t\t *  @param  {Function}  callback The callback to invoke with every item\n\t\t *  @returns {Tone.IntervalTimeline} this\n\t\t */\n\t    Tone.IntervalTimeline.prototype.forEachAtTime = function (time, callback) {\n\t        if (this._root !== null) {\n\t            var results = [];\n\t            this._root.search(time, results);\n\t            for (var i = results.length - 1; i >= 0; i--) {\n\t                var ev = results[i].event;\n\t                if (ev) {\n\t                    callback(ev);\n\t                }\n\t            }\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Iterate over everything in the array in which the time is greater\n\t\t *  than the given time.\n\t\t *  @param  {Number}  time The time to check if items are before\n\t\t *  @param  {Function}  callback The callback to invoke with every item\n\t\t *  @returns {Tone.IntervalTimeline} this\n\t\t */\n\t    Tone.IntervalTimeline.prototype.forEachAfter = function (time, callback) {\n\t        if (this._root !== null) {\n\t            var results = [];\n\t            this._root.searchAfter(time, results);\n\t            for (var i = results.length - 1; i >= 0; i--) {\n\t                var ev = results[i].event;\n\t                if (ev) {\n\t                    callback(ev);\n\t                }\n\t            }\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Clean up\n\t\t *  @return  {Tone.IntervalTimeline}  this\n\t\t */\n\t    Tone.IntervalTimeline.prototype.dispose = function () {\n\t        var allNodes = [];\n\t        if (this._root !== null) {\n\t            this._root.traverse(function (node) {\n\t                allNodes.push(node);\n\t            });\n\t        }\n\t        for (var i = 0; i < allNodes.length; i++) {\n\t            allNodes[i].dispose();\n\t        }\n\t        allNodes = null;\n\t        this._root = null;\n\t        return this;\n\t    };\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    //\tINTERVAL NODE HELPER\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    /**\n\t\t *  Represents a node in the binary search tree, with the addition\n\t\t *  of a \"high\" value which keeps track of the highest value of\n\t\t *  its children. \n\t\t *  References: \n\t\t *  https://brooknovak.wordpress.com/2013/12/07/augmented-interval-tree-in-c/\n\t\t *  http://www.mif.vu.lt/~valdas/ALGORITMAI/LITERATURA/Cormen/Cormen.pdf\n\t\t *  @param {Number} low\n\t\t *  @param {Number} high\n\t\t *  @private\n\t\t */\n\t    var IntervalNode = function (low, high, event) {\n\t        //the event container\n\t        this.event = event;\n\t        //the low value\n\t        this.low = low;\n\t        //the high value\n\t        this.high = high;\n\t        //the high value for this and all child nodes\n\t        this.max = this.high;\n\t        //the nodes to the left\n\t        this._left = null;\n\t        //the nodes to the right\n\t        this._right = null;\n\t        //the parent node\n\t        this.parent = null;\n\t        //the number of child nodes\n\t        this.height = 0;\n\t    };\n\t    /** \n\t\t *  Insert a node into the correct spot in the tree\n\t\t *  @param  {IntervalNode}  node\n\t\t */\n\t    IntervalNode.prototype.insert = function (node) {\n\t        if (node.low <= this.low) {\n\t            if (this.left === null) {\n\t                this.left = node;\n\t            } else {\n\t                this.left.insert(node);\n\t            }\n\t        } else {\n\t            if (this.right === null) {\n\t                this.right = node;\n\t            } else {\n\t                this.right.insert(node);\n\t            }\n\t        }\n\t    };\n\t    /**\n\t\t *  Search the tree for nodes which overlap \n\t\t *  with the given point\n\t\t *  @param  {Number}  point  The point to query\n\t\t *  @param  {Array}  results  The array to put the results\n\t\t */\n\t    IntervalNode.prototype.search = function (point, results) {\n\t        // If p is to the right of the rightmost point of any interval\n\t        // in this node and all children, there won't be any matches.\n\t        if (point > this.max) {\n\t            return;\n\t        }\n\t        // Search left children\n\t        if (this.left !== null) {\n\t            this.left.search(point, results);\n\t        }\n\t        // Check this node\n\t        if (this.low <= point && this.high > point) {\n\t            results.push(this);\n\t        }\n\t        // If p is to the left of the time of this interval,\n\t        // then it can't be in any child to the right.\n\t        if (this.low > point) {\n\t            return;\n\t        }\n\t        // Search right children\n\t        if (this.right !== null) {\n\t            this.right.search(point, results);\n\t        }\n\t    };\n\t    /**\n\t\t *  Search the tree for nodes which are less \n\t\t *  than the given point\n\t\t *  @param  {Number}  point  The point to query\n\t\t *  @param  {Array}  results  The array to put the results\n\t\t */\n\t    IntervalNode.prototype.searchAfter = function (point, results) {\n\t        // Check this node\n\t        if (this.low >= point) {\n\t            results.push(this);\n\t            if (this.left !== null) {\n\t                this.left.searchAfter(point, results);\n\t            }\n\t        }\n\t        // search the right side\n\t        if (this.right !== null) {\n\t            this.right.searchAfter(point, results);\n\t        }\n\t    };\n\t    /**\n\t\t *  Invoke the callback on this element and both it's branches\n\t\t *  @param  {Function}  callback\n\t\t */\n\t    IntervalNode.prototype.traverse = function (callback) {\n\t        callback(this);\n\t        if (this.left !== null) {\n\t            this.left.traverse(callback);\n\t        }\n\t        if (this.right !== null) {\n\t            this.right.traverse(callback);\n\t        }\n\t    };\n\t    /**\n\t\t *  Update the height of the node\n\t\t */\n\t    IntervalNode.prototype.updateHeight = function () {\n\t        if (this.left !== null && this.right !== null) {\n\t            this.height = Math.max(this.left.height, this.right.height) + 1;\n\t        } else if (this.right !== null) {\n\t            this.height = this.right.height + 1;\n\t        } else if (this.left !== null) {\n\t            this.height = this.left.height + 1;\n\t        } else {\n\t            this.height = 0;\n\t        }\n\t    };\n\t    /**\n\t\t *  Update the height of the node\n\t\t */\n\t    IntervalNode.prototype.updateMax = function () {\n\t        this.max = this.high;\n\t        if (this.left !== null) {\n\t            this.max = Math.max(this.max, this.left.max);\n\t        }\n\t        if (this.right !== null) {\n\t            this.max = Math.max(this.max, this.right.max);\n\t        }\n\t    };\n\t    /**\n\t\t *  The balance is how the leafs are distributed on the node\n\t\t *  @return  {Number}  Negative numbers are balanced to the right\n\t\t */\n\t    IntervalNode.prototype.getBalance = function () {\n\t        var balance = 0;\n\t        if (this.left !== null && this.right !== null) {\n\t            balance = this.left.height - this.right.height;\n\t        } else if (this.left !== null) {\n\t            balance = this.left.height + 1;\n\t        } else if (this.right !== null) {\n\t            balance = -(this.right.height + 1);\n\t        }\n\t        return balance;\n\t    };\n\t    /**\n\t\t *  @returns {Boolean} true if this node is the left child\n\t\t *  of its parent\n\t\t */\n\t    IntervalNode.prototype.isLeftChild = function () {\n\t        return this.parent !== null && this.parent.left === this;\n\t    };\n\t    /**\n\t\t *  get/set the left node\n\t\t *  @type {IntervalNode}\n\t\t */\n\t    Object.defineProperty(IntervalNode.prototype, 'left', {\n\t        get: function () {\n\t            return this._left;\n\t        },\n\t        set: function (node) {\n\t            this._left = node;\n\t            if (node !== null) {\n\t                node.parent = this;\n\t            }\n\t            this.updateHeight();\n\t            this.updateMax();\n\t        }\n\t    });\n\t    /**\n\t\t *  get/set the right node\n\t\t *  @type {IntervalNode}\n\t\t */\n\t    Object.defineProperty(IntervalNode.prototype, 'right', {\n\t        get: function () {\n\t            return this._right;\n\t        },\n\t        set: function (node) {\n\t            this._right = node;\n\t            if (node !== null) {\n\t                node.parent = this;\n\t            }\n\t            this.updateHeight();\n\t            this.updateMax();\n\t        }\n\t    });\n\t    /**\n\t\t *  null out references.\n\t\t */\n\t    IntervalNode.prototype.dispose = function () {\n\t        this.parent = null;\n\t        this._left = null;\n\t        this._right = null;\n\t        this.event = null;\n\t    };\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    //\tEND INTERVAL NODE HELPER\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    return Tone.IntervalTimeline;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  Transport for timing musical events.\n\t\t *          Supports tempo curves and time changes. Unlike browser-based timing (setInterval, requestAnimationFrame)\n\t\t *          Tone.Transport timing events pass in the exact time of the scheduled event\n\t\t *          in the argument of the callback function. Pass that time value to the object\n\t\t *          you're scheduling. <br><br>\n\t\t *          A single transport is created for you when the library is initialized. \n\t\t *          <br><br>\n\t\t *          The transport emits the events: \"start\", \"stop\", \"pause\", and \"loop\" which are\n\t\t *          called with the time of that event as the argument. \n\t\t *\n\t\t *  @extends {Tone.Emitter}\n\t\t *  @singleton\n\t\t *  @example\n\t\t * //repeated event every 8th note\n\t\t * Tone.Transport.scheduleRepeat(function(time){\n\t\t * \t//do something with the time\n\t\t * }, \"8n\");\n\t\t *  @example\n\t\t * //schedule an event on the 16th measure\n\t\t * Tone.Transport.schedule(function(time){\n\t\t * \t//do something with the time\n\t\t * }, \"16:0:0\");\n\t\t */\n\t    Tone.Transport = function () {\n\t        Tone.Emitter.call(this);\n\t        ///////////////////////////////////////////////////////////////////////\n\t        //\tLOOPING\n\t        //////////////////////////////////////////////////////////////////////\n\t        /** \n\t\t\t * \tIf the transport loops or not.\n\t\t\t *  @type {boolean}\n\t\t\t */\n\t        this.loop = false;\n\t        /** \n\t\t\t * \tThe loop start position in ticks\n\t\t\t *  @type {Ticks}\n\t\t\t *  @private\n\t\t\t */\n\t        this._loopStart = 0;\n\t        /** \n\t\t\t * \tThe loop end position in ticks\n\t\t\t *  @type {Ticks}\n\t\t\t *  @private\n\t\t\t */\n\t        this._loopEnd = 0;\n\t        ///////////////////////////////////////////////////////////////////////\n\t        //\tCLOCK/TEMPO\n\t        //////////////////////////////////////////////////////////////////////\n\t        /**\n\t\t\t *  Pulses per quarter is the number of ticks per quarter note.\n\t\t\t *  @private\n\t\t\t *  @type  {Number}\n\t\t\t */\n\t        this._ppq = TransportConstructor.defaults.PPQ;\n\t        /**\n\t\t\t *  watches the main oscillator for timing ticks\n\t\t\t *  initially starts at 120bpm\n\t\t\t *  @private\n\t\t\t *  @type {Tone.Clock}\n\t\t\t */\n\t        this._clock = new Tone.Clock({\n\t            'callback': this._processTick.bind(this),\n\t            'frequency': 0\n\t        });\n\t        this._bindClockEvents();\n\t        /**\n\t\t\t *  The Beats Per Minute of the Transport. \n\t\t\t *  @type {BPM}\n\t\t\t *  @signal\n\t\t\t *  @example\n\t\t\t * Tone.Transport.bpm.value = 80;\n\t\t\t * //ramp the bpm to 120 over 10 seconds\n\t\t\t * Tone.Transport.bpm.rampTo(120, 10);\n\t\t\t */\n\t        this.bpm = this._clock.frequency;\n\t        this.bpm._toUnits = this._toUnits.bind(this);\n\t        this.bpm._fromUnits = this._fromUnits.bind(this);\n\t        this.bpm.units = Tone.Type.BPM;\n\t        this.bpm.value = TransportConstructor.defaults.bpm;\n\t        this._readOnly('bpm');\n\t        /**\n\t\t\t *  The time signature, or more accurately the numerator\n\t\t\t *  of the time signature over a denominator of 4. \n\t\t\t *  @type {Number}\n\t\t\t *  @private\n\t\t\t */\n\t        this._timeSignature = TransportConstructor.defaults.timeSignature;\n\t        ///////////////////////////////////////////////////////////////////////\n\t        //\tTIMELINE EVENTS\n\t        //////////////////////////////////////////////////////////////////////\n\t        /**\n\t\t\t *  All the events in an object to keep track by ID\n\t\t\t *  @type {Object}\n\t\t\t *  @private\n\t\t\t */\n\t        this._scheduledEvents = {};\n\t        /**\n\t\t\t *  The event ID counter\n\t\t\t *  @type {Number}\n\t\t\t *  @private\n\t\t\t */\n\t        this._eventID = 0;\n\t        /**\n\t\t\t * \tThe scheduled events.\n\t\t\t *  @type {Tone.Timeline}\n\t\t\t *  @private\n\t\t\t */\n\t        this._timeline = new Tone.Timeline();\n\t        /**\n\t\t\t *  Repeated events\n\t\t\t *  @type {Array}\n\t\t\t *  @private\n\t\t\t */\n\t        this._repeatedEvents = new Tone.IntervalTimeline();\n\t        /**\n\t\t\t *  Events that occur once\n\t\t\t *  @type {Array}\n\t\t\t *  @private\n\t\t\t */\n\t        this._onceEvents = new Tone.Timeline();\n\t        /** \n\t\t\t *  All of the synced Signals\n\t\t\t *  @private \n\t\t\t *  @type {Array}\n\t\t\t */\n\t        this._syncedSignals = [];\n\t        ///////////////////////////////////////////////////////////////////////\n\t        //\tSWING\n\t        //////////////////////////////////////////////////////////////////////\n\t        /**\n\t\t\t *  The subdivision of the swing\n\t\t\t *  @type  {Ticks}\n\t\t\t *  @private\n\t\t\t */\n\t        this._swingTicks = TransportConstructor.defaults.PPQ / 2;\n\t        //8n\n\t        /**\n\t\t\t *  The swing amount\n\t\t\t *  @type {NormalRange}\n\t\t\t *  @private\n\t\t\t */\n\t        this._swingAmount = 0;\n\t    };\n\t    Tone.extend(Tone.Transport, Tone.Emitter);\n\t    /**\n\t\t *  the defaults\n\t\t *  @type {Object}\n\t\t *  @const\n\t\t *  @static\n\t\t */\n\t    Tone.Transport.defaults = {\n\t        'bpm': 120,\n\t        'swing': 0,\n\t        'swingSubdivision': '8n',\n\t        'timeSignature': 4,\n\t        'loopStart': 0,\n\t        'loopEnd': '4m',\n\t        'PPQ': 192\n\t    };\n\t    ///////////////////////////////////////////////////////////////////////////////\n\t    //\tTICKS\n\t    ///////////////////////////////////////////////////////////////////////////////\n\t    /**\n\t\t *  called on every tick\n\t\t *  @param   {number} tickTime clock relative tick time\n\t\t *  @private\n\t\t */\n\t    Tone.Transport.prototype._processTick = function (tickTime) {\n\t        var ticks = this._clock.ticks;\n\t        //handle swing\n\t        if (this._swingAmount > 0 && ticks % this._ppq !== 0 && //not on a downbeat\n\t            ticks % (this._swingTicks * 2) !== 0) {\n\t            //add some swing\n\t            var progress = ticks % (this._swingTicks * 2) / (this._swingTicks * 2);\n\t            var amount = Math.sin(progress * Math.PI) * this._swingAmount;\n\t            tickTime += Tone.Time(this._swingTicks * 2 / 3, 'i') * amount;\n\t        }\n\t        //do the loop test\n\t        if (this.loop) {\n\t            if (ticks === this._loopEnd) {\n\t                this.emit('loopEnd', tickTime);\n\t                this._clock.ticks = this._loopStart;\n\t                ticks = this._loopStart;\n\t                this.emit('loopStart', tickTime, this.seconds);\n\t                this.emit('loop', tickTime);\n\t            }\n\t        }\n\t        //process the single occurrence events\n\t        this._onceEvents.forEachBefore(ticks, function (event) {\n\t            event.callback(tickTime);\n\t            //remove the event\n\t            delete this._scheduledEvents[event.id.toString()];\n\t        }.bind(this));\n\t        //and clear the single occurrence timeline\n\t        this._onceEvents.cancelBefore(ticks);\n\t        //fire the next tick events if their time has come\n\t        this._timeline.forEachAtTime(ticks, function (event) {\n\t            event.callback(tickTime);\n\t        });\n\t        //process the repeated events\n\t        this._repeatedEvents.forEachAtTime(ticks, function (event) {\n\t            if ((ticks - event.time) % event.interval === 0) {\n\t                event.callback(tickTime);\n\t            }\n\t        });\n\t    };\n\t    ///////////////////////////////////////////////////////////////////////////////\n\t    //\tSCHEDULABLE EVENTS\n\t    ///////////////////////////////////////////////////////////////////////////////\n\t    /**\n\t\t *  Schedule an event along the timeline.\n\t\t *  @param {Function} callback The callback to be invoked at the time.\n\t\t *  @param {TransportTime}  time The time to invoke the callback at.\n\t\t *  @return {Number} The id of the event which can be used for canceling the event. \n\t\t *  @example\n\t\t * //trigger the callback when the Transport reaches the desired time\n\t\t * Tone.Transport.schedule(function(time){\n\t\t * \tenvelope.triggerAttack(time);\n\t\t * }, \"128i\");\n\t\t */\n\t    Tone.Transport.prototype.schedule = function (callback, time) {\n\t        var event = {\n\t            'time': this.toTicks(time),\n\t            'callback': callback\n\t        };\n\t        var id = this._eventID++;\n\t        this._scheduledEvents[id.toString()] = {\n\t            'event': event,\n\t            'timeline': this._timeline\n\t        };\n\t        this._timeline.add(event);\n\t        return id;\n\t    };\n\t    /**\n\t\t *  Schedule a repeated event along the timeline. The event will fire\n\t\t *  at the `interval` starting at the `startTime` and for the specified\n\t\t *  `duration`. \n\t\t *  @param  {Function}  callback   The callback to invoke.\n\t\t *  @param  {Time}    interval   The duration between successive\n\t\t *                               callbacks.\n\t\t *  @param  {TimelinePosition=}    startTime  When along the timeline the events should\n\t\t *                               start being invoked.\n\t\t *  @param {Time} [duration=Infinity] How long the event should repeat. \n\t\t *  @return  {Number}    The ID of the scheduled event. Use this to cancel\n\t\t *                           the event. \n\t\t *  @example\n\t\t * //a callback invoked every eighth note after the first measure\n\t\t * Tone.Transport.scheduleRepeat(callback, \"8n\", \"1m\");\n\t\t */\n\t    Tone.Transport.prototype.scheduleRepeat = function (callback, interval, startTime, duration) {\n\t        if (interval <= 0) {\n\t            throw new Error('Tone.Transport: repeat events must have an interval larger than 0');\n\t        }\n\t        var event = {\n\t            'time': this.toTicks(startTime),\n\t            'duration': this.toTicks(this.defaultArg(duration, Infinity)),\n\t            'interval': this.toTicks(interval),\n\t            'callback': callback\n\t        };\n\t        var id = this._eventID++;\n\t        this._scheduledEvents[id.toString()] = {\n\t            'event': event,\n\t            'timeline': this._repeatedEvents\n\t        };\n\t        this._repeatedEvents.add(event);\n\t        return id;\n\t    };\n\t    /**\n\t\t *  Schedule an event that will be removed after it is invoked. \n\t\t *  Note that if the given time is less than the current transport time, \n\t\t *  the event will be invoked immediately. \n\t\t *  @param {Function} callback The callback to invoke once.\n\t\t *  @param {TransportTime} time The time the callback should be invoked.\n\t\t *  @returns {Number} The ID of the scheduled event. \n\t\t */\n\t    Tone.Transport.prototype.scheduleOnce = function (callback, time) {\n\t        var id = this._eventID++;\n\t        var event = {\n\t            'time': this.toTicks(time),\n\t            'callback': callback,\n\t            'id': id\n\t        };\n\t        this._scheduledEvents[id.toString()] = {\n\t            'event': event,\n\t            'timeline': this._onceEvents\n\t        };\n\t        this._onceEvents.add(event);\n\t        return id;\n\t    };\n\t    /**\n\t\t *  Clear the passed in event id from the timeline\n\t\t *  @param {Number} eventId The id of the event.\n\t\t *  @returns {Tone.Transport} this\n\t\t */\n\t    Tone.Transport.prototype.clear = function (eventId) {\n\t        if (this._scheduledEvents.hasOwnProperty(eventId)) {\n\t            var item = this._scheduledEvents[eventId.toString()];\n\t            item.timeline.remove(item.event);\n\t            delete this._scheduledEvents[eventId.toString()];\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Remove scheduled events from the timeline after\n\t\t *  the given time. Repeated events will be removed\n\t\t *  if their startTime is after the given time\n\t\t *  @param {TransportTime} [after=0] Clear all events after\n\t\t *                          this time. \n\t\t *  @returns {Tone.Transport} this\n\t\t */\n\t    Tone.Transport.prototype.cancel = function (after) {\n\t        after = this.defaultArg(after, 0);\n\t        after = this.toTicks(after);\n\t        this._timeline.cancel(after);\n\t        this._onceEvents.cancel(after);\n\t        this._repeatedEvents.cancel(after);\n\t        return this;\n\t    };\n\t    ///////////////////////////////////////////////////////////////////////////////\n\t    //\tSTART/STOP/PAUSE\n\t    ///////////////////////////////////////////////////////////////////////////////\n\t    /**\n\t\t *  Bind start/stop/pause events from the clock and emit them.\n\t\t */\n\t    Tone.Transport.prototype._bindClockEvents = function () {\n\t        this._clock.on('start', function (time, offset) {\n\t            offset = Tone.Time(this._clock.ticks, 'i').toSeconds();\n\t            this.emit('start', time, offset);\n\t        }.bind(this));\n\t        this._clock.on('stop', function (time) {\n\t            this.emit('stop', time);\n\t        }.bind(this));\n\t        this._clock.on('pause', function (time) {\n\t            this.emit('pause', time);\n\t        }.bind(this));\n\t    };\n\t    /**\n\t\t *  Returns the playback state of the source, either \"started\", \"stopped\", or \"paused\"\n\t\t *  @type {Tone.State}\n\t\t *  @readOnly\n\t\t *  @memberOf Tone.Transport#\n\t\t *  @name state\n\t\t */\n\t    Object.defineProperty(Tone.Transport.prototype, 'state', {\n\t        get: function () {\n\t            return this._clock.getStateAtTime(this.now());\n\t        }\n\t    });\n\t    /**\n\t\t *  Start the transport and all sources synced to the transport.\n\t\t *  @param  {Time} [time=now] The time when the transport should start.\n\t\t *  @param  {TransportTime=} offset The timeline offset to start the transport.\n\t\t *  @returns {Tone.Transport} this\n\t\t *  @example\n\t\t * //start the transport in one second starting at beginning of the 5th measure. \n\t\t * Tone.Transport.start(\"+1\", \"4:0:0\");\n\t\t */\n\t    Tone.Transport.prototype.start = function (time, offset) {\n\t        //start the clock\n\t        if (!this.isUndef(offset)) {\n\t            offset = this.toTicks(offset);\n\t        }\n\t        this._clock.start(time, offset);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Stop the transport and all sources synced to the transport.\n\t\t *  @param  {Time} [time=now] The time when the transport should stop. \n\t\t *  @returns {Tone.Transport} this\n\t\t *  @example\n\t\t * Tone.Transport.stop();\n\t\t */\n\t    Tone.Transport.prototype.stop = function (time) {\n\t        this._clock.stop(time);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Pause the transport and all sources synced to the transport.\n\t\t *  @param  {Time} [time=now]\n\t\t *  @returns {Tone.Transport} this\n\t\t */\n\t    Tone.Transport.prototype.pause = function (time) {\n\t        this._clock.pause(time);\n\t        return this;\n\t    };\n\t    ///////////////////////////////////////////////////////////////////////////////\n\t    //\tSETTERS/GETTERS\n\t    ///////////////////////////////////////////////////////////////////////////////\n\t    /**\n\t\t *  The time signature as just the numerator over 4. \n\t\t *  For example 4/4 would be just 4 and 6/8 would be 3.\n\t\t *  @memberOf Tone.Transport#\n\t\t *  @type {Number|Array}\n\t\t *  @name timeSignature\n\t\t *  @example\n\t\t * //common time\n\t\t * Tone.Transport.timeSignature = 4;\n\t\t * // 7/8\n\t\t * Tone.Transport.timeSignature = [7, 8];\n\t\t * //this will be reduced to a single number\n\t\t * Tone.Transport.timeSignature; //returns 3.5\n\t\t */\n\t    Object.defineProperty(Tone.Transport.prototype, 'timeSignature', {\n\t        get: function () {\n\t            return this._timeSignature;\n\t        },\n\t        set: function (timeSig) {\n\t            if (this.isArray(timeSig)) {\n\t                timeSig = timeSig[0] / timeSig[1] * 4;\n\t            }\n\t            this._timeSignature = timeSig;\n\t        }\n\t    });\n\t    /**\n\t\t * When the Tone.Transport.loop = true, this is the starting position of the loop.\n\t\t * @memberOf Tone.Transport#\n\t\t * @type {TransportTime}\n\t\t * @name loopStart\n\t\t */\n\t    Object.defineProperty(Tone.Transport.prototype, 'loopStart', {\n\t        get: function () {\n\t            return Tone.TransportTime(this._loopStart, 'i').toSeconds();\n\t        },\n\t        set: function (startPosition) {\n\t            this._loopStart = this.toTicks(startPosition);\n\t        }\n\t    });\n\t    /**\n\t\t * When the Tone.Transport.loop = true, this is the ending position of the loop.\n\t\t * @memberOf Tone.Transport#\n\t\t * @type {TransportTime}\n\t\t * @name loopEnd\n\t\t */\n\t    Object.defineProperty(Tone.Transport.prototype, 'loopEnd', {\n\t        get: function () {\n\t            return Tone.TransportTime(this._loopEnd, 'i').toSeconds();\n\t        },\n\t        set: function (endPosition) {\n\t            this._loopEnd = this.toTicks(endPosition);\n\t        }\n\t    });\n\t    /**\n\t\t *  Set the loop start and stop at the same time. \n\t\t *  @param {TransportTime} startPosition \n\t\t *  @param {TransportTime} endPosition   \n\t\t *  @returns {Tone.Transport} this\n\t\t *  @example\n\t\t * //loop over the first measure\n\t\t * Tone.Transport.setLoopPoints(0, \"1m\");\n\t\t * Tone.Transport.loop = true;\n\t\t */\n\t    Tone.Transport.prototype.setLoopPoints = function (startPosition, endPosition) {\n\t        this.loopStart = startPosition;\n\t        this.loopEnd = endPosition;\n\t        return this;\n\t    };\n\t    /**\n\t\t *  The swing value. Between 0-1 where 1 equal to \n\t\t *  the note + half the subdivision.\n\t\t *  @memberOf Tone.Transport#\n\t\t *  @type {NormalRange}\n\t\t *  @name swing\n\t\t */\n\t    Object.defineProperty(Tone.Transport.prototype, 'swing', {\n\t        get: function () {\n\t            return this._swingAmount;\n\t        },\n\t        set: function (amount) {\n\t            //scale the values to a normal range\n\t            this._swingAmount = amount;\n\t        }\n\t    });\n\t    /**\n\t\t *  Set the subdivision which the swing will be applied to. \n\t\t *  The default value is an 8th note. Value must be less \n\t\t *  than a quarter note.\n\t\t *  \n\t\t *  @memberOf Tone.Transport#\n\t\t *  @type {Time}\n\t\t *  @name swingSubdivision\n\t\t */\n\t    Object.defineProperty(Tone.Transport.prototype, 'swingSubdivision', {\n\t        get: function () {\n\t            return Tone.Time(this._swingTicks, 'i').toNotation();\n\t        },\n\t        set: function (subdivision) {\n\t            this._swingTicks = this.toTicks(subdivision);\n\t        }\n\t    });\n\t    /**\n\t\t *  The Transport's position in Bars:Beats:Sixteenths.\n\t\t *  Setting the value will jump to that position right away. \n\t\t *  @memberOf Tone.Transport#\n\t\t *  @type {BarsBeatsSixteenths}\n\t\t *  @name position\n\t\t */\n\t    Object.defineProperty(Tone.Transport.prototype, 'position', {\n\t        get: function () {\n\t            return Tone.TransportTime(this.ticks, 'i').toBarsBeatsSixteenths();\n\t        },\n\t        set: function (progress) {\n\t            var ticks = this.toTicks(progress);\n\t            this.ticks = ticks;\n\t        }\n\t    });\n\t    /**\n\t\t *  The Transport's position in seconds\n\t\t *  Setting the value will jump to that position right away. \n\t\t *  @memberOf Tone.Transport#\n\t\t *  @type {Seconds}\n\t\t *  @name seconds\n\t\t */\n\t    Object.defineProperty(Tone.Transport.prototype, 'seconds', {\n\t        get: function () {\n\t            return Tone.TransportTime(this.ticks, 'i').toSeconds();\n\t        },\n\t        set: function (progress) {\n\t            var ticks = this.toTicks(progress);\n\t            this.ticks = ticks;\n\t        }\n\t    });\n\t    /**\n\t\t *  The Transport's loop position as a normalized value. Always\n\t\t *  returns 0 if the transport if loop is not true. \n\t\t *  @memberOf Tone.Transport#\n\t\t *  @name progress\n\t\t *  @type {NormalRange}\n\t\t */\n\t    Object.defineProperty(Tone.Transport.prototype, 'progress', {\n\t        get: function () {\n\t            if (this.loop) {\n\t                return (this.ticks - this._loopStart) / (this._loopEnd - this._loopStart);\n\t            } else {\n\t                return 0;\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t *  The transports current tick position.\n\t\t *  \n\t\t *  @memberOf Tone.Transport#\n\t\t *  @type {Ticks}\n\t\t *  @name ticks\n\t\t */\n\t    Object.defineProperty(Tone.Transport.prototype, 'ticks', {\n\t        get: function () {\n\t            return this._clock.ticks;\n\t        },\n\t        set: function (t) {\n\t            if (this._clock.ticks !== t) {\n\t                var now = this.now();\n\t                //stop everything synced to the transport\n\t                if (this.state === Tone.State.Started) {\n\t                    this.emit('stop', now);\n\t                    this._clock.ticks = t;\n\t                    //restart it with the new time\n\t                    this.emit('start', now, this.seconds);\n\t                } else {\n\t                    this._clock.ticks = t;\n\t                }\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t *  Pulses Per Quarter note. This is the smallest resolution\n\t\t *  the Transport timing supports. This should be set once\n\t\t *  on initialization and not set again. Changing this value \n\t\t *  after other objects have been created can cause problems. \n\t\t *  \n\t\t *  @memberOf Tone.Transport#\n\t\t *  @type {Number}\n\t\t *  @name PPQ\n\t\t */\n\t    Object.defineProperty(Tone.Transport.prototype, 'PPQ', {\n\t        get: function () {\n\t            return this._ppq;\n\t        },\n\t        set: function (ppq) {\n\t            var bpm = this.bpm.value;\n\t            this._ppq = ppq;\n\t            this.bpm.value = bpm;\n\t        }\n\t    });\n\t    /**\n\t\t *  The hint to the type of playback. Affects tradeoffs between audio \n\t\t *  output latency and responsiveness. \n\t\t *  \n\t\t *  In addition to setting the value in seconds, the latencyHint also\n\t\t *  accepts the strings \"interactive\" (prioritizes low latency), \n\t\t *  \"playback\" (prioritizes sustained playback), \"balanced\" (balances\n\t\t *  latency and performance), and \"fastest\" (lowest latency, might glitch more often). \n\t\t *  @memberOf Tone.Transport#\n\t\t *  @type {Seconds|String}\n\t\t *  @name latencyHint\n\t\t */\n\t    Object.defineProperty(Tone.Transport.prototype, 'latencyHint', {\n\t        get: function () {\n\t            return Tone.Clock.latencyHint;\n\t        },\n\t        set: function (hint) {\n\t            Tone.Clock.latencyHint = hint;\n\t        }\n\t    });\n\t    /**\n\t\t *  Convert from BPM to frequency (factoring in PPQ)\n\t\t *  @param  {BPM}  bpm The BPM value to convert to frequency\n\t\t *  @return  {Frequency}  The BPM as a frequency with PPQ factored in.\n\t\t *  @private\n\t\t */\n\t    Tone.Transport.prototype._fromUnits = function (bpm) {\n\t        return 1 / (60 / bpm / this.PPQ);\n\t    };\n\t    /**\n\t\t *  Convert from frequency (with PPQ) into BPM\n\t\t *  @param  {Frequency}  freq The clocks frequency to convert to BPM\n\t\t *  @return  {BPM}  The frequency value as BPM.\n\t\t *  @private\n\t\t */\n\t    Tone.Transport.prototype._toUnits = function (freq) {\n\t        return freq / this.PPQ * 60;\n\t    };\n\t    ///////////////////////////////////////////////////////////////////////////////\n\t    //\tSYNCING\n\t    ///////////////////////////////////////////////////////////////////////////////\n\t    /**\n\t\t *  Returns the time aligned to the next subdivision\n\t\t *  of the Transport. If the Transport is not started,\n\t\t *  it will return 0.\n\t\t *  Note: this will not work precisely during tempo ramps.\n\t\t *  @param  {Time}  subdivision  The subdivision to quantize to\n\t\t *  @return  {Number}  The context time of the next subdivision.\n\t\t *  @example\n\t\t * Tone.Transport.start(); //the transport must be started\n\t\t * Tone.Transport.nextSubdivision(\"4n\");\n\t\t */\n\t    Tone.Transport.prototype.nextSubdivision = function (subdivision) {\n\t        subdivision = this.toSeconds(subdivision);\n\t        //if the transport's not started, return 0\n\t        var now;\n\t        if (this.state === Tone.State.Started) {\n\t            now = this._clock._nextTick;\n\t        } else {\n\t            return 0;\n\t        }\n\t        var transportPos = Tone.Time(this.ticks, 'i');\n\t        var remainingTime = subdivision - transportPos % subdivision;\n\t        if (remainingTime === 0) {\n\t            remainingTime = subdivision;\n\t        }\n\t        return now + remainingTime;\n\t    };\n\t    /**\n\t\t *  Attaches the signal to the tempo control signal so that \n\t\t *  any changes in the tempo will change the signal in the same\n\t\t *  ratio. \n\t\t *  \n\t\t *  @param  {Tone.Signal} signal \n\t\t *  @param {number=} ratio Optionally pass in the ratio between\n\t\t *                         the two signals. Otherwise it will be computed\n\t\t *                         based on their current values. \n\t\t *  @returns {Tone.Transport} this\n\t\t */\n\t    Tone.Transport.prototype.syncSignal = function (signal, ratio) {\n\t        if (!ratio) {\n\t            //get the sync ratio\n\t            if (signal._param.value !== 0) {\n\t                ratio = signal._param.value / this.bpm._param.value;\n\t            } else {\n\t                ratio = 0;\n\t            }\n\t        }\n\t        var ratioSignal = new Tone.Gain(ratio);\n\t        this.bpm.chain(ratioSignal, signal._param);\n\t        this._syncedSignals.push({\n\t            'ratio': ratioSignal,\n\t            'signal': signal,\n\t            'initial': signal._param.value\n\t        });\n\t        signal._param.value = 0;\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Unsyncs a previously synced signal from the transport's control. \n\t\t *  See Tone.Transport.syncSignal.\n\t\t *  @param  {Tone.Signal} signal \n\t\t *  @returns {Tone.Transport} this\n\t\t */\n\t    Tone.Transport.prototype.unsyncSignal = function (signal) {\n\t        for (var i = this._syncedSignals.length - 1; i >= 0; i--) {\n\t            var syncedSignal = this._syncedSignals[i];\n\t            if (syncedSignal.signal === signal) {\n\t                syncedSignal.ratio.dispose();\n\t                syncedSignal.signal._param.value = syncedSignal.initial;\n\t                this._syncedSignals.splice(i, 1);\n\t            }\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Clean up. \n\t\t *  @returns {Tone.Transport} this\n\t\t *  @private\n\t\t */\n\t    Tone.Transport.prototype.dispose = function () {\n\t        Tone.Emitter.prototype.dispose.call(this);\n\t        this._clock.dispose();\n\t        this._clock = null;\n\t        this._writable('bpm');\n\t        this.bpm = null;\n\t        this._timeline.dispose();\n\t        this._timeline = null;\n\t        this._onceEvents.dispose();\n\t        this._onceEvents = null;\n\t        this._repeatedEvents.dispose();\n\t        this._repeatedEvents = null;\n\t        return this;\n\t    };\n\t    ///////////////////////////////////////////////////////////////////////////////\n\t    //\tINITIALIZATION\n\t    ///////////////////////////////////////////////////////////////////////////////\n\t    var TransportConstructor = Tone.Transport;\n\t    Tone.Transport = new TransportConstructor();\n\t    Tone.Context.on('init', function (context) {\n\t        if (context.Transport instanceof TransportConstructor) {\n\t            Tone.Transport = context.Transport;\n\t        } else {\n\t            Tone.Transport = new TransportConstructor();\n\t            //store the Transport on the context so it can be retrieved later\n\t            context.Transport = Tone.Transport;\n\t        }\n\t    });\n\t    return Tone.Transport;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Tone.Volume is a simple volume node, useful for creating a volume fader. \n\t\t *\n\t\t *  @extends {Tone}\n\t\t *  @constructor\n\t\t *  @param {Decibels} [volume=0] the initial volume\n\t\t *  @example\n\t\t * var vol = new Tone.Volume(-12);\n\t\t * instrument.chain(vol, Tone.Master);\n\t\t */\n\t    Tone.Volume = function () {\n\t        var options = this.optionsObject(arguments, ['volume'], Tone.Volume.defaults);\n\t        /**\n\t\t\t * the output node\n\t\t\t * @type {GainNode}\n\t\t\t * @private\n\t\t\t */\n\t        this.output = this.input = new Tone.Gain(options.volume, Tone.Type.Decibels);\n\t        /**\n\t\t\t * The unmuted volume\n\t\t\t * @type {Decibels}\n\t\t\t * @private\n\t\t\t */\n\t        this._unmutedVolume = options.volume;\n\t        /**\n\t\t\t *  The volume control in decibels. \n\t\t\t *  @type {Decibels}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.volume = this.output.gain;\n\t        this._readOnly('volume');\n\t        //set the mute initially\n\t        this.mute = options.mute;\n\t    };\n\t    Tone.extend(Tone.Volume);\n\t    /**\n\t\t *  Defaults\n\t\t *  @type  {Object}\n\t\t *  @const\n\t\t *  @static\n\t\t */\n\t    Tone.Volume.defaults = {\n\t        'volume': 0,\n\t        'mute': false\n\t    };\n\t    /**\n\t\t * Mute the output. \n\t\t * @memberOf Tone.Volume#\n\t\t * @type {boolean}\n\t\t * @name mute\n\t\t * @example\n\t\t * //mute the output\n\t\t * volume.mute = true;\n\t\t */\n\t    Object.defineProperty(Tone.Volume.prototype, 'mute', {\n\t        get: function () {\n\t            return this.volume.value === -Infinity;\n\t        },\n\t        set: function (mute) {\n\t            if (!this.mute && mute) {\n\t                this._unmutedVolume = this.volume.value;\n\t                //maybe it should ramp here?\n\t                this.volume.value = -Infinity;\n\t            } else if (this.mute && !mute) {\n\t                this.volume.value = this._unmutedVolume;\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t *  clean up\n\t\t *  @returns {Tone.Volume} this\n\t\t */\n\t    Tone.Volume.prototype.dispose = function () {\n\t        this.input.dispose();\n\t        Tone.prototype.dispose.call(this);\n\t        this._writable('volume');\n\t        this.volume.dispose();\n\t        this.volume = null;\n\t        return this;\n\t    };\n\t    return Tone.Volume;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  A single master output which is connected to the\n\t\t *          AudioDestinationNode (aka your speakers). \n\t\t *          It provides useful conveniences such as the ability \n\t\t *          to set the volume and mute the entire application. \n\t\t *          It also gives you the ability to apply master effects to your application. \n\t\t *          <br><br>\n\t\t *          Like Tone.Transport, A single Tone.Master is created\n\t\t *          on initialization and you do not need to explicitly construct one.\n\t\t *\n\t\t *  @constructor\n\t\t *  @extends {Tone}\n\t\t *  @singleton\n\t\t *  @example\n\t\t * //the audio will go from the oscillator to the speakers\n\t\t * oscillator.connect(Tone.Master);\n\t\t * //a convenience for connecting to the master output is also provided:\n\t\t * oscillator.toMaster();\n\t\t * //the above two examples are equivalent.\n\t\t */\n\t    Tone.Master = function () {\n\t        this.createInsOuts(1, 1);\n\t        /**\n\t\t\t *  The private volume node\n\t\t\t *  @type  {Tone.Volume}\n\t\t\t *  @private\n\t\t\t */\n\t        this._volume = this.output = new Tone.Volume();\n\t        /**\n\t\t\t * The volume of the master output.\n\t\t\t * @type {Decibels}\n\t\t\t * @signal\n\t\t\t */\n\t        this.volume = this._volume.volume;\n\t        this._readOnly('volume');\n\t        //connections\n\t        this.input.chain(this.output, this.context.destination);\n\t    };\n\t    Tone.extend(Tone.Master);\n\t    /**\n\t\t *  @type {Object}\n\t\t *  @const\n\t\t */\n\t    Tone.Master.defaults = {\n\t        'volume': 0,\n\t        'mute': false\n\t    };\n\t    /**\n\t\t * Mute the output. \n\t\t * @memberOf Tone.Master#\n\t\t * @type {boolean}\n\t\t * @name mute\n\t\t * @example\n\t\t * //mute the output\n\t\t * Tone.Master.mute = true;\n\t\t */\n\t    Object.defineProperty(Tone.Master.prototype, 'mute', {\n\t        get: function () {\n\t            return this._volume.mute;\n\t        },\n\t        set: function (mute) {\n\t            this._volume.mute = mute;\n\t        }\n\t    });\n\t    /**\n\t\t *  Add a master effects chain. NOTE: this will disconnect any nodes which were previously \n\t\t *  chained in the master effects chain. \n\t\t *  @param {AudioNode|Tone...} args All arguments will be connected in a row\n\t\t *                                  and the Master will be routed through it.\n\t\t *  @return  {Tone.Master}  this\n\t\t *  @example\n\t\t * //some overall compression to keep the levels in check\n\t\t * var masterCompressor = new Tone.Compressor({\n\t\t * \t\"threshold\" : -6,\n\t\t * \t\"ratio\" : 3,\n\t\t * \t\"attack\" : 0.5,\n\t\t * \t\"release\" : 0.1\n\t\t * });\n\t\t * //give a little boost to the lows\n\t\t * var lowBump = new Tone.Filter(200, \"lowshelf\");\n\t\t * //route everything through the filter \n\t\t * //and compressor before going to the speakers\n\t\t * Tone.Master.chain(lowBump, masterCompressor);\n\t\t */\n\t    Tone.Master.prototype.chain = function () {\n\t        this.input.disconnect();\n\t        this.input.chain.apply(this.input, arguments);\n\t        arguments[arguments.length - 1].connect(this.output);\n\t    };\n\t    /**\n\t\t *  Clean up\n\t\t *  @return  {Tone.Master}  this\n\t\t */\n\t    Tone.Master.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._writable('volume');\n\t        this._volume.dispose();\n\t        this._volume = null;\n\t        this.volume = null;\n\t    };\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    //\tAUGMENT TONE's PROTOTYPE\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    /**\n\t\t *  Connect 'this' to the master output. Shorthand for this.connect(Tone.Master)\n\t\t *  @returns {Tone} this\n\t\t *  @example\n\t\t * //connect an oscillator to the master output\n\t\t * var osc = new Tone.Oscillator().toMaster();\n\t\t */\n\t    Tone.prototype.toMaster = function () {\n\t        this.connect(Tone.Master);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Also augment AudioNode's prototype to include toMaster\n\t\t *  as a convenience\n\t\t *  @returns {AudioNode} this\n\t\t */\n\t    AudioNode.prototype.toMaster = function () {\n\t        this.connect(Tone.Master);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  initialize the module and listen for new audio contexts\n\t\t */\n\t    var MasterConstructor = Tone.Master;\n\t    Tone.Master = new MasterConstructor();\n\t    Tone.Context.on('init', function (context) {\n\t        // if it already exists, just restore it\n\t        if (context.Master instanceof MasterConstructor) {\n\t            Tone.Master = context.Master;\n\t        } else {\n\t            Tone.Master = new MasterConstructor();\n\t        }\n\t        context.Master = Tone.Master;\n\t    });\n\t    return Tone.Master;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  Base class for sources. Sources have start/stop methods\n\t\t *          and the ability to be synced to the \n\t\t *          start/stop of Tone.Transport. \n\t\t *\n\t\t *  @constructor\n\t\t *  @extends {Tone}\n\t\t *  @example\n\t\t * //Multiple state change events can be chained together,\n\t\t * //but must be set in the correct order and with ascending times\n\t\t * \n\t\t * // OK\n\t\t * state.start().stop(\"+0.2\");\n\t\t * // AND\n\t\t * state.start().stop(\"+0.2\").start(\"+0.4\").stop(\"+0.7\")\n\t\t *\n\t\t * // BAD\n\t\t * state.stop(\"+0.2\").start();\n\t\t * // OR\n\t\t * state.start(\"+0.3\").stop(\"+0.2\");\n\t\t * \n\t\t */\n\t    Tone.Source = function (options) {\n\t        // this.createInsOuts(0, 1);\n\t        options = this.defaultArg(options, Tone.Source.defaults);\n\t        /**\n\t\t\t *  The output volume node\n\t\t\t *  @type  {Tone.Volume}\n\t\t\t *  @private\n\t\t\t */\n\t        this._volume = this.output = new Tone.Volume(options.volume);\n\t        /**\n\t\t\t * The volume of the output in decibels.\n\t\t\t * @type {Decibels}\n\t\t\t * @signal\n\t\t\t * @example\n\t\t\t * source.volume.value = -6;\n\t\t\t */\n\t        this.volume = this._volume.volume;\n\t        this._readOnly('volume');\n\t        /**\n\t\t\t * \tKeep track of the scheduled state.\n\t\t\t *  @type {Tone.TimelineState}\n\t\t\t *  @private\n\t\t\t */\n\t        this._state = new Tone.TimelineState(Tone.State.Stopped);\n\t        this._state.memory = 10;\n\t        /**\n\t\t\t *  The synced `start` callback function from the transport\n\t\t\t *  @type {Function}\n\t\t\t *  @private\n\t\t\t */\n\t        this._synced = false;\n\t        /**\n\t\t\t *  Keep track of all of the scheduled event ids\n\t\t\t *  @type  {Array}\n\t\t\t *  @private\n\t\t\t */\n\t        this._scheduled = [];\n\t        //make the output explicitly stereo\n\t        this._volume.output.output.channelCount = 2;\n\t        this._volume.output.output.channelCountMode = 'explicit';\n\t        //mute initially\n\t        this.mute = options.mute;\n\t    };\n\t    Tone.extend(Tone.Source);\n\t    /**\n\t\t *  The default parameters\n\t\t *  @static\n\t\t *  @const\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.Source.defaults = {\n\t        'volume': 0,\n\t        'mute': false\n\t    };\n\t    /**\n\t\t *  Returns the playback state of the source, either \"started\" or \"stopped\".\n\t\t *  @type {Tone.State}\n\t\t *  @readOnly\n\t\t *  @memberOf Tone.Source#\n\t\t *  @name state\n\t\t */\n\t    Object.defineProperty(Tone.Source.prototype, 'state', {\n\t        get: function () {\n\t            if (this._synced) {\n\t                if (Tone.Transport.state === Tone.State.Started) {\n\t                    return this._state.getValueAtTime(Tone.Transport.seconds);\n\t                } else {\n\t                    return Tone.State.Stopped;\n\t                }\n\t            } else {\n\t                return this._state.getValueAtTime(this.now());\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t * Mute the output. \n\t\t * @memberOf Tone.Source#\n\t\t * @type {boolean}\n\t\t * @name mute\n\t\t * @example\n\t\t * //mute the output\n\t\t * source.mute = true;\n\t\t */\n\t    Object.defineProperty(Tone.Source.prototype, 'mute', {\n\t        get: function () {\n\t            return this._volume.mute;\n\t        },\n\t        set: function (mute) {\n\t            this._volume.mute = mute;\n\t        }\n\t    });\n\t    //overwrite these functions\n\t    Tone.Source.prototype._start = Tone.noOp;\n\t    Tone.Source.prototype._stop = Tone.noOp;\n\t    /**\n\t\t *  Start the source at the specified time. If no time is given, \n\t\t *  start the source now.\n\t\t *  @param  {Time} [time=now] When the source should be started.\n\t\t *  @returns {Tone.Source} this\n\t\t *  @example\n\t\t * source.start(\"+0.5\"); //starts the source 0.5 seconds from now\n\t\t */\n\t    Tone.Source.prototype.start = function (time, offset, duration) {\n\t        if (this.isUndef(time) && this._synced) {\n\t            time = Tone.Transport.seconds;\n\t        } else {\n\t            time = this.toSeconds(time);\n\t        }\n\t        //if it's started, stop it and restart it\n\t        if (!this.retrigger && this._state.getValueAtTime(time) === Tone.State.Started) {\n\t            this.stop(time);\n\t        }\n\t        this._state.setStateAtTime(Tone.State.Started, time);\n\t        if (this._synced) {\n\t            // add the offset time to the event\n\t            var event = this._state.get(time);\n\t            event.offset = this.defaultArg(offset, 0);\n\t            event.duration = duration;\n\t            var sched = Tone.Transport.schedule(function (t) {\n\t                this._start(t, offset, duration);\n\t            }.bind(this), time);\n\t            this._scheduled.push(sched);\n\t        } else {\n\t            this._start.apply(this, arguments);\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Stop the source at the specified time. If no time is given, \n\t\t *  stop the source now.\n\t\t *  @param  {Time} [time=now] When the source should be stopped. \n\t\t *  @returns {Tone.Source} this\n\t\t *  @example\n\t\t * source.stop(); // stops the source immediately\n\t\t */\n\t    Tone.Source.prototype.stop = function (time) {\n\t        if (this.isUndef(time) && this._synced) {\n\t            time = Tone.Transport.seconds;\n\t        } else {\n\t            time = this.toSeconds(time);\n\t        }\n\t        this._state.cancel(time);\n\t        this._state.setStateAtTime(Tone.State.Stopped, time);\n\t        if (!this._synced) {\n\t            this._stop.apply(this, arguments);\n\t        } else {\n\t            var sched = Tone.Transport.schedule(this._stop.bind(this), time);\n\t            this._scheduled.push(sched);\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Sync the source to the Transport so that all subsequent\n\t\t *  calls to `start` and `stop` are synced to the TransportTime\n\t\t *  instead of the AudioContext time. \n\t\t *\n\t\t *  @returns {Tone.Source} this\n\t\t *  @example\n\t\t * //sync the source so that it plays between 0 and 0.3 on the Transport's timeline\n\t\t * source.sync().start(0).stop(0.3);\n\t\t * //start the transport.\n\t\t * Tone.Transport.start();\n\t\t *\n\t\t *  @example\n\t\t * //start the transport with an offset and the sync'ed sources\n\t\t * //will start in the correct position\n\t\t * source.sync().start(0.1);\n\t\t * //the source will be invoked with an offset of 0.4\n\t\t * Tone.Transport.start(\"+0.5\", 0.5);\n\t\t */\n\t    Tone.Source.prototype.sync = function () {\n\t        this._synced = true;\n\t        Tone.Transport.on('start loopStart', function (time, offset) {\n\t            if (offset > 0) {\n\t                // get the playback state at that time\n\t                var stateEvent = this._state.get(offset);\n\t                // listen for start events which may occur in the middle of the sync'ed time\n\t                if (stateEvent && stateEvent.state === Tone.State.Started && stateEvent.time !== offset) {\n\t                    // get the offset\n\t                    var startOffset = offset - this.toSeconds(stateEvent.time);\n\t                    var duration;\n\t                    if (stateEvent.duration) {\n\t                        duration = this.toSeconds(stateEvent.duration) - startOffset;\n\t                    }\n\t                    this._start(time, this.toSeconds(stateEvent.offset) + startOffset, duration);\n\t                }\n\t            }\n\t        }.bind(this));\n\t        Tone.Transport.on('stop pause loopEnd', function (time) {\n\t            if (this._state.getValueAtTime(Tone.Transport.seconds) === Tone.State.Started) {\n\t                this._stop(time);\n\t            }\n\t        }.bind(this));\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Unsync the source to the Transport. See Tone.Source.sync\n\t\t *  @returns {Tone.Source} this\n\t\t */\n\t    Tone.Source.prototype.unsync = function () {\n\t        this._synced = false;\n\t        Tone.Transport.off('start stop pause loopEnd loopStart');\n\t        // clear all of the scheduled ids\n\t        for (var i = 0; i < this._scheduled.length; i++) {\n\t            var id = this._scheduled[i];\n\t            Tone.Transport.clear(id);\n\t        }\n\t        this._scheduled = [];\n\t        this._state.cancel(0);\n\t        return this;\n\t    };\n\t    /**\n\t\t *\tClean up.\n\t\t *  @return {Tone.Source} this\n\t\t */\n\t    Tone.Source.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this.unsync();\n\t        this._scheduled = null;\n\t        this._writable('volume');\n\t        this._volume.dispose();\n\t        this._volume = null;\n\t        this.volume = null;\n\t        this._state.dispose();\n\t        this._state = null;\n\t    };\n\t    return Tone.Source;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  OscillatorNode shim\n\t\t *  @private\n\t\t */\n\t    if (window.OscillatorNode && !OscillatorNode.prototype.start) {\n\t        OscillatorNode.prototype.start = OscillatorNode.prototype.noteOn;\n\t        OscillatorNode.prototype.stop = OscillatorNode.prototype.noteOff;\n\t        if (!OscillatorNode.prototype.setPeriodicWave) {\n\t            OscillatorNode.prototype.setPeriodicWave = OscillatorNode.prototype.setWaveTable;\n\t        }\n\t        if (!AudioContext.prototype.createPeriodicWave) {\n\t            AudioContext.prototype.createPeriodicWave = AudioContext.prototype.createWaveTable;\n\t        }\n\t    }\n\t    /**\n\t\t *  @class Tone.Oscillator supports a number of features including\n\t\t *         phase rotation, multiple oscillator types (see Tone.Oscillator.type), \n\t\t *         and Transport syncing (see Tone.Oscillator.syncFrequency).\n\t\t *\n\t\t *  @constructor\n\t\t *  @extends {Tone.Source}\n\t\t *  @param {Frequency} [frequency] Starting frequency\n\t\t *  @param {string} [type] The oscillator type. Read more about type below.\n\t\t *  @example\n\t\t * //make and start a 440hz sine tone\n\t\t * var osc = new Tone.Oscillator(440, \"sine\").toMaster().start();\n\t\t */\n\t    Tone.Oscillator = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'frequency',\n\t            'type'\n\t        ], Tone.Oscillator.defaults);\n\t        Tone.Source.call(this, options);\n\t        /**\n\t\t\t *  the main oscillator\n\t\t\t *  @type {OscillatorNode}\n\t\t\t *  @private\n\t\t\t */\n\t        this._oscillator = null;\n\t        /**\n\t\t\t *  The frequency control.\n\t\t\t *  @type {Frequency}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.frequency = new Tone.Signal(options.frequency, Tone.Type.Frequency);\n\t        /**\n\t\t\t *  The detune control signal.\n\t\t\t *  @type {Cents}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.detune = new Tone.Signal(options.detune, Tone.Type.Cents);\n\t        /**\n\t\t\t *  the periodic wave\n\t\t\t *  @type {PeriodicWave}\n\t\t\t *  @private\n\t\t\t */\n\t        this._wave = null;\n\t        /**\n\t\t\t *  The partials of the oscillator\n\t\t\t *  @type {Array}\n\t\t\t *  @private\n\t\t\t */\n\t        this._partials = this.defaultArg(options.partials, [1]);\n\t        /**\n\t\t\t *  the phase of the oscillator\n\t\t\t *  between 0 - 360\n\t\t\t *  @type {number}\n\t\t\t *  @private\n\t\t\t */\n\t        this._phase = options.phase;\n\t        /**\n\t\t\t *  the type of the oscillator\n\t\t\t *  @type {string}\n\t\t\t *  @private\n\t\t\t */\n\t        this._type = null;\n\t        //setup\n\t        this.type = options.type;\n\t        this.phase = this._phase;\n\t        this._readOnly([\n\t            'frequency',\n\t            'detune'\n\t        ]);\n\t    };\n\t    Tone.extend(Tone.Oscillator, Tone.Source);\n\t    /**\n\t\t *  the default parameters\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.Oscillator.defaults = {\n\t        'type': 'sine',\n\t        'frequency': 440,\n\t        'detune': 0,\n\t        'phase': 0,\n\t        'partials': []\n\t    };\n\t    /**\n\t\t *  The Oscillator types\n\t\t *  @enum {String}\n\t\t */\n\t    Tone.Oscillator.Type = {\n\t        Sine: 'sine',\n\t        Triangle: 'triangle',\n\t        Sawtooth: 'sawtooth',\n\t        Square: 'square',\n\t        Custom: 'custom'\n\t    };\n\t    /**\n\t\t *  start the oscillator\n\t\t *  @param  {Time} [time=now] \n\t\t *  @private\n\t\t */\n\t    Tone.Oscillator.prototype._start = function (time) {\n\t        //new oscillator with previous values\n\t        this._oscillator = this.context.createOscillator();\n\t        this._oscillator.setPeriodicWave(this._wave);\n\t        //connect the control signal to the oscillator frequency & detune\n\t        this._oscillator.connect(this.output);\n\t        this.frequency.connect(this._oscillator.frequency);\n\t        this.detune.connect(this._oscillator.detune);\n\t        //start the oscillator\n\t        this._oscillator.start(this.toSeconds(time));\n\t    };\n\t    /**\n\t\t *  stop the oscillator\n\t\t *  @private\n\t\t *  @param  {Time} [time=now] (optional) timing parameter\n\t\t *  @returns {Tone.Oscillator} this\n\t\t */\n\t    Tone.Oscillator.prototype._stop = function (time) {\n\t        if (this._oscillator) {\n\t            this._oscillator.stop(this.toSeconds(time));\n\t            this._oscillator = null;\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Sync the signal to the Transport's bpm. Any changes to the transports bpm,\n\t\t *  will also affect the oscillators frequency. \n\t\t *  @returns {Tone.Oscillator} this\n\t\t *  @example\n\t\t * Tone.Transport.bpm.value = 120;\n\t\t * osc.frequency.value = 440;\n\t\t * //the ration between the bpm and the frequency will be maintained\n\t\t * osc.syncFrequency();\n\t\t * Tone.Transport.bpm.value = 240; \n\t\t * // the frequency of the oscillator is doubled to 880\n\t\t */\n\t    Tone.Oscillator.prototype.syncFrequency = function () {\n\t        Tone.Transport.syncSignal(this.frequency);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Unsync the oscillator's frequency from the Transport. \n\t\t *  See Tone.Oscillator.syncFrequency\n\t\t *  @returns {Tone.Oscillator} this\n\t\t */\n\t    Tone.Oscillator.prototype.unsyncFrequency = function () {\n\t        Tone.Transport.unsyncSignal(this.frequency);\n\t        return this;\n\t    };\n\t    /**\n\t\t * The type of the oscillator: either sine, square, triangle, or sawtooth. Also capable of\n\t\t * setting the first x number of partials of the oscillator. For example: \"sine4\" would\n\t\t * set be the first 4 partials of the sine wave and \"triangle8\" would set the first\n\t\t * 8 partials of the triangle wave.\n\t\t * <br><br> \n\t\t * Uses PeriodicWave internally even for native types so that it can set the phase. \n\t\t * PeriodicWave equations are from the \n\t\t * [Webkit Web Audio implementation](https://code.google.com/p/chromium/codesearch#chromium/src/third_party/WebKit/Source/modules/webaudio/PeriodicWave.cpp&sq=package:chromium).\n\t\t *  \n\t\t * @memberOf Tone.Oscillator#\n\t\t * @type {string}\n\t\t * @name type\n\t\t * @example\n\t\t * //set it to a square wave\n\t\t * osc.type = \"square\";\n\t\t * @example\n\t\t * //set the first 6 partials of a sawtooth wave\n\t\t * osc.type = \"sawtooth6\";\n\t\t */\n\t    Object.defineProperty(Tone.Oscillator.prototype, 'type', {\n\t        get: function () {\n\t            return this._type;\n\t        },\n\t        set: function (type) {\n\t            var coefs = this._getRealImaginary(type, this._phase);\n\t            var periodicWave = this.context.createPeriodicWave(coefs[0], coefs[1]);\n\t            this._wave = periodicWave;\n\t            if (this._oscillator !== null) {\n\t                this._oscillator.setPeriodicWave(this._wave);\n\t            }\n\t            this._type = type;\n\t        }\n\t    });\n\t    /**\n\t\t *  Returns the real and imaginary components based \n\t\t *  on the oscillator type.\n\t\t *  @returns {Array} [real, imaginary]\n\t\t *  @private\n\t\t */\n\t    Tone.Oscillator.prototype._getRealImaginary = function (type, phase) {\n\t        var fftSize = 4096;\n\t        var periodicWaveSize = fftSize / 2;\n\t        var real = new Float32Array(periodicWaveSize);\n\t        var imag = new Float32Array(periodicWaveSize);\n\t        var partialCount = 1;\n\t        if (type === Tone.Oscillator.Type.Custom) {\n\t            partialCount = this._partials.length + 1;\n\t            periodicWaveSize = partialCount;\n\t        } else {\n\t            var partial = /^(sine|triangle|square|sawtooth)(\\d+)$/.exec(type);\n\t            if (partial) {\n\t                partialCount = parseInt(partial[2]) + 1;\n\t                type = partial[1];\n\t                partialCount = Math.max(partialCount, 2);\n\t                periodicWaveSize = partialCount;\n\t            }\n\t        }\n\t        for (var n = 1; n < periodicWaveSize; ++n) {\n\t            var piFactor = 2 / (n * Math.PI);\n\t            var b;\n\t            switch (type) {\n\t            case Tone.Oscillator.Type.Sine:\n\t                b = n <= partialCount ? 1 : 0;\n\t                break;\n\t            case Tone.Oscillator.Type.Square:\n\t                b = n & 1 ? 2 * piFactor : 0;\n\t                break;\n\t            case Tone.Oscillator.Type.Sawtooth:\n\t                b = piFactor * (n & 1 ? 1 : -1);\n\t                break;\n\t            case Tone.Oscillator.Type.Triangle:\n\t                if (n & 1) {\n\t                    b = 2 * (piFactor * piFactor) * (n - 1 >> 1 & 1 ? -1 : 1);\n\t                } else {\n\t                    b = 0;\n\t                }\n\t                break;\n\t            case Tone.Oscillator.Type.Custom:\n\t                b = this._partials[n - 1];\n\t                break;\n\t            default:\n\t                throw new TypeError('Tone.Oscillator: invalid type: ' + type);\n\t            }\n\t            if (b !== 0) {\n\t                real[n] = -b * Math.sin(phase * n);\n\t                imag[n] = b * Math.cos(phase * n);\n\t            } else {\n\t                real[n] = 0;\n\t                imag[n] = 0;\n\t            }\n\t        }\n\t        return [\n\t            real,\n\t            imag\n\t        ];\n\t    };\n\t    /**\n\t\t *  Compute the inverse FFT for a given phase.\t\n\t\t *  @param  {Float32Array}  real\n\t\t *  @param  {Float32Array}  imag \n\t\t *  @param  {NormalRange}  phase \n\t\t *  @return  {AudioRange}\n\t\t *  @private\n\t\t */\n\t    Tone.Oscillator.prototype._inverseFFT = function (real, imag, phase) {\n\t        var sum = 0;\n\t        var len = real.length;\n\t        for (var i = 0; i < len; i++) {\n\t            sum += real[i] * Math.cos(i * phase) + imag[i] * Math.sin(i * phase);\n\t        }\n\t        return sum;\n\t    };\n\t    /**\n\t\t *  Returns the initial value of the oscillator.\n\t\t *  @return  {AudioRange}\n\t\t *  @private\n\t\t */\n\t    Tone.Oscillator.prototype._getInitialValue = function () {\n\t        var coefs = this._getRealImaginary(this._type, 0);\n\t        var real = coefs[0];\n\t        var imag = coefs[1];\n\t        var maxValue = 0;\n\t        var twoPi = Math.PI * 2;\n\t        //check for peaks in 8 places\n\t        for (var i = 0; i < 8; i++) {\n\t            maxValue = Math.max(this._inverseFFT(real, imag, i / 8 * twoPi), maxValue);\n\t        }\n\t        return -this._inverseFFT(real, imag, this._phase) / maxValue;\n\t    };\n\t    /**\n\t\t * The partials of the waveform. A partial represents \n\t\t * the amplitude at a harmonic. The first harmonic is the \n\t\t * fundamental frequency, the second is the octave and so on\n\t\t * following the harmonic series. \n\t\t * Setting this value will automatically set the type to \"custom\". \n\t\t * The value is an empty array when the type is not \"custom\". \n\t\t * @memberOf Tone.Oscillator#\n\t\t * @type {Array}\n\t\t * @name partials\n\t\t * @example\n\t\t * osc.partials = [1, 0.2, 0.01];\n\t\t */\n\t    Object.defineProperty(Tone.Oscillator.prototype, 'partials', {\n\t        get: function () {\n\t            if (this._type !== Tone.Oscillator.Type.Custom) {\n\t                return [];\n\t            } else {\n\t                return this._partials;\n\t            }\n\t        },\n\t        set: function (partials) {\n\t            this._partials = partials;\n\t            this.type = Tone.Oscillator.Type.Custom;\n\t        }\n\t    });\n\t    /**\n\t\t * The phase of the oscillator in degrees. \n\t\t * @memberOf Tone.Oscillator#\n\t\t * @type {Degrees}\n\t\t * @name phase\n\t\t * @example\n\t\t * osc.phase = 180; //flips the phase of the oscillator\n\t\t */\n\t    Object.defineProperty(Tone.Oscillator.prototype, 'phase', {\n\t        get: function () {\n\t            return this._phase * (180 / Math.PI);\n\t        },\n\t        set: function (phase) {\n\t            this._phase = phase * Math.PI / 180;\n\t            //reset the type\n\t            this.type = this._type;\n\t        }\n\t    });\n\t    /**\n\t\t *  Dispose and disconnect.\n\t\t *  @return {Tone.Oscillator} this\n\t\t */\n\t    Tone.Oscillator.prototype.dispose = function () {\n\t        Tone.Source.prototype.dispose.call(this);\n\t        if (this._oscillator !== null) {\n\t            this._oscillator.disconnect();\n\t            this._oscillator = null;\n\t        }\n\t        this._wave = null;\n\t        this._writable([\n\t            'frequency',\n\t            'detune'\n\t        ]);\n\t        this.frequency.dispose();\n\t        this.frequency = null;\n\t        this.detune.dispose();\n\t        this.detune = null;\n\t        this._partials = null;\n\t        return this;\n\t    };\n\t    return Tone.Oscillator;\n\t});\n\tModule(function (Tone) {\n\t    /**\n\t\t *  @class Tone.Zero outputs 0's at audio-rate. The reason this has to be\n\t\t *         it's own class is that many browsers optimize out Tone.Signal\n\t\t *         with a value of 0 and will not process nodes further down the graph. \n\t\t *  @extends {Tone}\n\t\t */\n\t    Tone.Zero = function () {\n\t        /**\n\t\t\t *  The gain node\n\t\t\t *  @type  {Tone.Gain}\n\t\t\t *  @private\n\t\t\t */\n\t        this._gain = this.input = this.output = new Tone.Gain();\n\t        this.context.getConstant(0).connect(this._gain);\n\t    };\n\t    Tone.extend(Tone.Zero);\n\t    /**\n\t\t *  clean up\n\t\t *  @return  {Tone.Zero}  this\n\t\t */\n\t    Tone.Zero.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._gain.dispose();\n\t        this._gain = null;\n\t        return this;\n\t    };\n\t    return Tone.Zero;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  LFO stands for low frequency oscillator. Tone.LFO produces an output signal \n\t\t *          which can be attached to an AudioParam or Tone.Signal \n\t\t *          in order to modulate that parameter with an oscillator. The LFO can \n\t\t *          also be synced to the transport to start/stop and change when the tempo changes.\n\t\t *\n\t\t *  @constructor\n\t\t *  @extends {Tone.Oscillator}\n\t\t *  @param {Frequency|Object} [frequency] The frequency of the oscillation. Typically, LFOs will be\n\t\t *                               in the frequency range of 0.1 to 10 hertz. \n\t\t *  @param {number=} min The minimum output value of the LFO. \n\t\t *  @param {number=} max The maximum value of the LFO. \n\t\t *  @example\n\t\t * var lfo = new Tone.LFO(\"4n\", 400, 4000);\n\t\t * lfo.connect(filter.frequency);\n\t\t */\n\t    Tone.LFO = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'frequency',\n\t            'min',\n\t            'max'\n\t        ], Tone.LFO.defaults);\n\t        /** \n\t\t\t *  The oscillator. \n\t\t\t *  @type {Tone.Oscillator}\n\t\t\t *  @private\n\t\t\t */\n\t        this._oscillator = new Tone.Oscillator({\n\t            'frequency': options.frequency,\n\t            'type': options.type\n\t        });\n\t        /**\n\t\t\t *  the lfo's frequency\n\t\t\t *  @type {Frequency}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.frequency = this._oscillator.frequency;\n\t        /**\n\t\t\t * The amplitude of the LFO, which controls the output range between\n\t\t\t * the min and max output. For example if the min is -10 and the max \n\t\t\t * is 10, setting the amplitude to 0.5 would make the LFO modulate\n\t\t\t * between -5 and 5. \n\t\t\t * @type {Number}\n\t\t\t * @signal\n\t\t\t */\n\t        this.amplitude = this._oscillator.volume;\n\t        this.amplitude.units = Tone.Type.NormalRange;\n\t        this.amplitude.value = options.amplitude;\n\t        /**\n\t\t\t *  The signal which is output when the LFO is stopped\n\t\t\t *  @type  {Tone.Signal}\n\t\t\t *  @private\n\t\t\t */\n\t        this._stoppedSignal = new Tone.Signal(0, Tone.Type.AudioRange);\n\t        /**\n\t\t\t *  Just outputs zeros.\n\t\t\t *  @type {Tone.Zero}\n\t\t\t *  @private\n\t\t\t */\n\t        this._zeros = new Tone.Zero();\n\t        /**\n\t\t\t *  The value that the LFO outputs when it's stopped\n\t\t\t *  @type {AudioRange}\n\t\t\t *  @private\n\t\t\t */\n\t        this._stoppedValue = 0;\n\t        /**\n\t\t\t *  @type {Tone.AudioToGain} \n\t\t\t *  @private\n\t\t\t */\n\t        this._a2g = new Tone.AudioToGain();\n\t        /**\n\t\t\t *  @type {Tone.Scale} \n\t\t\t *  @private\n\t\t\t */\n\t        this._scaler = this.output = new Tone.Scale(options.min, options.max);\n\t        /**\n\t\t\t *  the units of the LFO (used for converting)\n\t\t\t *  @type {Tone.Type} \n\t\t\t *  @private\n\t\t\t */\n\t        this._units = Tone.Type.Default;\n\t        this.units = options.units;\n\t        //connect it up\n\t        this._oscillator.chain(this._a2g, this._scaler);\n\t        this._zeros.connect(this._a2g);\n\t        this._stoppedSignal.connect(this._a2g);\n\t        this._readOnly([\n\t            'amplitude',\n\t            'frequency'\n\t        ]);\n\t        this.phase = options.phase;\n\t    };\n\t    Tone.extend(Tone.LFO, Tone.Oscillator);\n\t    /**\n\t\t *  the default parameters\n\t\t *\n\t\t *  @static\n\t\t *  @const\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.LFO.defaults = {\n\t        'type': 'sine',\n\t        'min': 0,\n\t        'max': 1,\n\t        'phase': 0,\n\t        'frequency': '4n',\n\t        'amplitude': 1,\n\t        'units': Tone.Type.Default\n\t    };\n\t    /**\n\t\t *  Start the LFO. \n\t\t *  @param  {Time} [time=now] the time the LFO will start\n\t\t *  @returns {Tone.LFO} this\n\t\t */\n\t    Tone.LFO.prototype.start = function (time) {\n\t        time = this.toSeconds(time);\n\t        this._stoppedSignal.setValueAtTime(0, time);\n\t        this._oscillator.start(time);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Stop the LFO. \n\t\t *  @param  {Time} [time=now] the time the LFO will stop\n\t\t *  @returns {Tone.LFO} this\n\t\t */\n\t    Tone.LFO.prototype.stop = function (time) {\n\t        time = this.toSeconds(time);\n\t        this._stoppedSignal.setValueAtTime(this._stoppedValue, time);\n\t        this._oscillator.stop(time);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Sync the start/stop/pause to the transport \n\t\t *  and the frequency to the bpm of the transport\n\t\t *  @returns {Tone.LFO} this\n\t\t *  @example\n\t\t *  lfo.frequency.value = \"8n\";\n\t\t *  lfo.sync().start(0)\n\t\t *  //the rate of the LFO will always be an eighth note, \n\t\t *  //even as the tempo changes\n\t\t */\n\t    Tone.LFO.prototype.sync = function () {\n\t        this._oscillator.sync();\n\t        this._oscillator.syncFrequency();\n\t        return this;\n\t    };\n\t    /**\n\t\t *  unsync the LFO from transport control\n\t\t *  @returns {Tone.LFO} this\n\t\t */\n\t    Tone.LFO.prototype.unsync = function () {\n\t        this._oscillator.unsync();\n\t        this._oscillator.unsyncFrequency();\n\t        return this;\n\t    };\n\t    /**\n\t\t * The miniumum output of the LFO.\n\t\t * @memberOf Tone.LFO#\n\t\t * @type {number}\n\t\t * @name min\n\t\t */\n\t    Object.defineProperty(Tone.LFO.prototype, 'min', {\n\t        get: function () {\n\t            return this._toUnits(this._scaler.min);\n\t        },\n\t        set: function (min) {\n\t            min = this._fromUnits(min);\n\t            this._scaler.min = min;\n\t        }\n\t    });\n\t    /**\n\t\t * The maximum output of the LFO.\n\t\t * @memberOf Tone.LFO#\n\t\t * @type {number}\n\t\t * @name max\n\t\t */\n\t    Object.defineProperty(Tone.LFO.prototype, 'max', {\n\t        get: function () {\n\t            return this._toUnits(this._scaler.max);\n\t        },\n\t        set: function (max) {\n\t            max = this._fromUnits(max);\n\t            this._scaler.max = max;\n\t        }\n\t    });\n\t    /**\n\t\t * The type of the oscillator: sine, square, sawtooth, triangle. \n\t\t * @memberOf Tone.LFO#\n\t\t * @type {string}\n\t\t * @name type\n\t\t */\n\t    Object.defineProperty(Tone.LFO.prototype, 'type', {\n\t        get: function () {\n\t            return this._oscillator.type;\n\t        },\n\t        set: function (type) {\n\t            this._oscillator.type = type;\n\t            this._stoppedValue = this._oscillator._getInitialValue();\n\t            this._stoppedSignal.value = this._stoppedValue;\n\t        }\n\t    });\n\t    /**\n\t\t * The phase of the LFO.\n\t\t * @memberOf Tone.LFO#\n\t\t * @type {number}\n\t\t * @name phase\n\t\t */\n\t    Object.defineProperty(Tone.LFO.prototype, 'phase', {\n\t        get: function () {\n\t            return this._oscillator.phase;\n\t        },\n\t        set: function (phase) {\n\t            this._oscillator.phase = phase;\n\t            this._stoppedValue = this._oscillator._getInitialValue();\n\t            this._stoppedSignal.value = this._stoppedValue;\n\t        }\n\t    });\n\t    /**\n\t\t * The output units of the LFO.\n\t\t * @memberOf Tone.LFO#\n\t\t * @type {Tone.Type}\n\t\t * @name units\n\t\t */\n\t    Object.defineProperty(Tone.LFO.prototype, 'units', {\n\t        get: function () {\n\t            return this._units;\n\t        },\n\t        set: function (val) {\n\t            var currentMin = this.min;\n\t            var currentMax = this.max;\n\t            //convert the min and the max\n\t            this._units = val;\n\t            this.min = currentMin;\n\t            this.max = currentMax;\n\t        }\n\t    });\n\t    /**\n\t\t * Mute the output. \n\t\t * @memberOf Tone.LFO#\n\t\t * @type {Boolean}\n\t\t * @name mute\n\t\t */\n\t    Object.defineProperty(Tone.LFO.prototype, 'mute', {\n\t        get: function () {\n\t            return this._oscillator.mute;\n\t        },\n\t        set: function (mute) {\n\t            this._oscillator.mute = mute;\n\t        }\n\t    });\n\t    /**\n\t\t *  Returns the playback state of the source, either \"started\" or \"stopped\".\n\t\t *  @type {Tone.State}\n\t\t *  @readOnly\n\t\t *  @memberOf Tone.LFO#\n\t\t *  @name state\n\t\t */\n\t    Object.defineProperty(Tone.LFO.prototype, 'state', {\n\t        get: function () {\n\t            return this._oscillator.state;\n\t        }\n\t    });\n\t    /**\n\t\t *  Connect the output of the LFO to an AudioParam, AudioNode, or Tone Node. \n\t\t *  Tone.LFO will automatically convert to the destination units of the \n\t\t *  will get the units from the connected node.\n\t\t *  @param  {Tone | AudioParam | AudioNode} node \n\t\t *  @param {number} [outputNum=0] optionally which output to connect from\n\t\t *  @param {number} [inputNum=0] optionally which input to connect to\n\t\t *  @returns {Tone.LFO} this\n\t\t *  @private\n\t\t */\n\t    Tone.LFO.prototype.connect = function (node) {\n\t        if (node.constructor === Tone.Signal || node.constructor === Tone.Param || node.constructor === Tone.TimelineSignal) {\n\t            this.convert = node.convert;\n\t            this.units = node.units;\n\t        }\n\t        Tone.Signal.prototype.connect.apply(this, arguments);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  private method borrowed from Param converts \n\t\t *  units from their destination value\n\t\t *  @function\n\t\t *  @private\n\t\t */\n\t    Tone.LFO.prototype._fromUnits = Tone.Param.prototype._fromUnits;\n\t    /**\n\t\t *  private method borrowed from Param converts \n\t\t *  units to their destination value\n\t\t *  @function\n\t\t *  @private\n\t\t */\n\t    Tone.LFO.prototype._toUnits = Tone.Param.prototype._toUnits;\n\t    /**\n\t\t *  disconnect and dispose\n\t\t *  @returns {Tone.LFO} this\n\t\t */\n\t    Tone.LFO.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._writable([\n\t            'amplitude',\n\t            'frequency'\n\t        ]);\n\t        this._oscillator.dispose();\n\t        this._oscillator = null;\n\t        this._stoppedSignal.dispose();\n\t        this._stoppedSignal = null;\n\t        this._zeros.dispose();\n\t        this._zeros = null;\n\t        this._scaler.dispose();\n\t        this._scaler = null;\n\t        this._a2g.dispose();\n\t        this._a2g = null;\n\t        this.frequency = null;\n\t        this.amplitude = null;\n\t        return this;\n\t    };\n\t    return Tone.LFO;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Tone.Limiter will limit the loudness of an incoming signal. \n\t\t *         It is composed of a Tone.Compressor with a fast attack \n\t\t *         and release. Limiters are commonly used to safeguard against \n\t\t *         signal clipping. Unlike a compressor, limiters do not provide \n\t\t *         smooth gain reduction and almost completely prevent \n\t\t *         additional gain above the threshold.\n\t\t *\n\t\t *  @extends {Tone}\n\t\t *  @constructor\n\t\t *  @param {number} threshold The theshold above which the limiting is applied. \n\t\t *  @example\n\t\t *  var limiter = new Tone.Limiter(-6);\n\t\t */\n\t    Tone.Limiter = function () {\n\t        var options = this.optionsObject(arguments, ['threshold'], Tone.Limiter.defaults);\n\t        /**\n\t\t\t *  the compressor\n\t\t\t *  @private\n\t\t\t *  @type {Tone.Compressor}\n\t\t\t */\n\t        this._compressor = this.input = this.output = new Tone.Compressor({\n\t            'attack': 0.001,\n\t            'decay': 0.001,\n\t            'threshold': options.threshold\n\t        });\n\t        /**\n\t\t\t * The threshold of of the limiter\n\t\t\t * @type {Decibel}\n\t\t\t * @signal\n\t\t\t */\n\t        this.threshold = this._compressor.threshold;\n\t        this._readOnly('threshold');\n\t    };\n\t    Tone.extend(Tone.Limiter);\n\t    /**\n\t\t *  The default value\n\t\t *  @type {Object}\n\t\t *  @const\n\t\t *  @static\n\t\t */\n\t    Tone.Limiter.defaults = { 'threshold': -12 };\n\t    /**\n\t\t *  Clean up.\n\t\t *  @returns {Tone.Limiter} this\n\t\t */\n\t    Tone.Limiter.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._compressor.dispose();\n\t        this._compressor = null;\n\t        this._writable('threshold');\n\t        this.threshold = null;\n\t        return this;\n\t    };\n\t    return Tone.Limiter;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Tone.Lowpass is a lowpass feedback comb filter. It is similar to \n\t\t *         Tone.FeedbackCombFilter, but includes a lowpass filter.\n\t\t *\n\t\t *  @extends {Tone}\n\t\t *  @constructor\n\t\t *  @param {Time|Object} [delayTime] The delay time of the comb filter\n\t\t *  @param {NormalRange=} resonance The resonance (feedback) of the comb filter\n\t\t *  @param {Frequency=} dampening The cutoff of the lowpass filter dampens the\n\t\t *                                signal as it is fedback. \n\t\t */\n\t    Tone.LowpassCombFilter = function () {\n\t        this.createInsOuts(1, 1);\n\t        var options = this.optionsObject(arguments, [\n\t            'delayTime',\n\t            'resonance',\n\t            'dampening'\n\t        ], Tone.LowpassCombFilter.defaults);\n\t        /**\n\t\t\t *  the delay node\n\t\t\t *  @type {DelayNode}\n\t\t\t *  @private\n\t\t\t */\n\t        this._delay = this.input = new Tone.Delay(options.delayTime);\n\t        /**\n\t\t\t *  The delayTime of the comb filter. \n\t\t\t *  @type {Time}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.delayTime = this._delay.delayTime;\n\t        /**\n\t\t\t *  the lowpass filter\n\t\t\t *  @type  {BiquadFilterNode}\n\t\t\t *  @private\n\t\t\t */\n\t        this._lowpass = this.output = this.context.createBiquadFilter();\n\t        this._lowpass.Q.value = -3.0102999566398125;\n\t        this._lowpass.type = 'lowpass';\n\t        /**\n\t\t\t *  The dampening control of the feedback\n\t\t\t *  @type {Frequency}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.dampening = new Tone.Param({\n\t            'param': this._lowpass.frequency,\n\t            'units': Tone.Type.Frequency,\n\t            'value': options.dampening\n\t        });\n\t        /**\n\t\t\t *  the feedback gain\n\t\t\t *  @type {Tone.Gain}\n\t\t\t *  @private\n\t\t\t */\n\t        this._feedback = new Tone.Gain(options.resonance, Tone.Type.NormalRange);\n\t        /**\n\t\t\t *  The amount of feedback of the delayed signal. \n\t\t\t *  @type {NormalRange}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.resonance = this._feedback.gain;\n\t        //connections\n\t        this._delay.chain(this._lowpass, this._feedback, this._delay);\n\t        this._readOnly([\n\t            'dampening',\n\t            'resonance',\n\t            'delayTime'\n\t        ]);\n\t    };\n\t    Tone.extend(Tone.LowpassCombFilter);\n\t    /**\n\t\t *  the default parameters\n\t\t *  @static\n\t\t *  @const\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.LowpassCombFilter.defaults = {\n\t        'delayTime': 0.1,\n\t        'resonance': 0.5,\n\t        'dampening': 3000\n\t    };\n\t    /**\n\t\t *  Clean up. \n\t\t *  @returns {Tone.LowpassCombFilter} this\n\t\t */\n\t    Tone.LowpassCombFilter.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._writable([\n\t            'dampening',\n\t            'resonance',\n\t            'delayTime'\n\t        ]);\n\t        this.dampening.dispose();\n\t        this.dampening = null;\n\t        this.resonance.dispose();\n\t        this.resonance = null;\n\t        this._delay.dispose();\n\t        this._delay = null;\n\t        this.delayTime = null;\n\t        this._lowpass.disconnect();\n\t        this._lowpass = null;\n\t        this._feedback.disconnect();\n\t        this._feedback = null;\n\t        return this;\n\t    };\n\t    return Tone.LowpassCombFilter;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  Tone.Merge brings two signals into the left and right \n\t\t *          channels of a single stereo channel.\n\t\t *\n\t\t *  @constructor\n\t\t *  @extends {Tone}\n\t\t *  @example\n\t\t * var merge = new Tone.Merge().toMaster();\n\t\t * //routing a sine tone in the left channel\n\t\t * //and noise in the right channel\n\t\t * var osc = new Tone.Oscillator().connect(merge.left);\n\t\t * var noise = new Tone.Noise().connect(merge.right);\n\t\t * //starting our oscillators\n\t\t * noise.start();\n\t\t * osc.start();\n\t\t */\n\t    Tone.Merge = function () {\n\t        this.createInsOuts(2, 0);\n\t        /**\n\t\t\t *  The left input channel.\n\t\t\t *  Alias for <code>input[0]</code>\n\t\t\t *  @type {GainNode}\n\t\t\t */\n\t        this.left = this.input[0] = new Tone.Gain();\n\t        /**\n\t\t\t *  The right input channel.\n\t\t\t *  Alias for <code>input[1]</code>.\n\t\t\t *  @type {GainNode}\n\t\t\t */\n\t        this.right = this.input[1] = new Tone.Gain();\n\t        /**\n\t\t\t *  the merger node for the two channels\n\t\t\t *  @type {ChannelMergerNode}\n\t\t\t *  @private\n\t\t\t */\n\t        this._merger = this.output = this.context.createChannelMerger(2);\n\t        //connections\n\t        this.left.connect(this._merger, 0, 0);\n\t        this.right.connect(this._merger, 0, 1);\n\t        this.left.channelCount = 1;\n\t        this.right.channelCount = 1;\n\t        this.left.channelCountMode = 'explicit';\n\t        this.right.channelCountMode = 'explicit';\n\t    };\n\t    Tone.extend(Tone.Merge);\n\t    /**\n\t\t *  Clean up.\n\t\t *  @returns {Tone.Merge} this\n\t\t */\n\t    Tone.Merge.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this.left.dispose();\n\t        this.left = null;\n\t        this.right.dispose();\n\t        this.right = null;\n\t        this._merger.disconnect();\n\t        this._merger = null;\n\t        return this;\n\t    };\n\t    return Tone.Merge;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  Tone.Meter gets the [RMS](https://en.wikipedia.org/wiki/Root_mean_square)\n\t\t *          of an input signal with some averaging applied. It can also get the raw \n\t\t *          value of the input signal.\n\t\t *\n\t\t *  @constructor\n\t\t *  @extends {Tone}\n\t\t *  @param {String} type Either \"level\" or \"signal\". \n\t\t *  @param {Number} smoothing The amount of smoothing applied between frames.\n\t\t *  @example\n\t\t * var meter = new Tone.Meter();\n\t\t * var mic = new Tone.UserMedia().start();\n\t\t * //connect mic to the meter\n\t\t * mic.connect(meter);\n\t\t * //the current level of the mic input\n\t\t * var level = meter.value;\n\t\t */\n\t    Tone.Meter = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'type',\n\t            'smoothing'\n\t        ], Tone.Meter.defaults);\n\t        /**\n\t\t\t *  The type of the meter, either \"level\" or \"signal\". \n\t\t\t *  A \"level\" meter will return the volume level (rms) of the \n\t\t\t *  input signal and a \"signal\" meter will return\n\t\t\t *  the signal value of the input. \n\t\t\t *  @type  {String}\n\t\t\t */\n\t        this.type = options.type;\n\t        /**\n\t\t\t *  The analyser node which computes the levels.\n\t\t\t *  @private\n\t\t\t *  @type  {Tone.Analyser}\n\t\t\t */\n\t        this.input = this.output = this._analyser = new Tone.Analyser('waveform', 512);\n\t        this._analyser.returnType = 'float';\n\t        /**\n\t\t\t *  The amount of carryover between the current and last frame. \n\t\t\t *  Only applied meter for \"level\" type.\n\t\t\t *  @type  {Number}\n\t\t\t */\n\t        this.smoothing = options.smoothing;\n\t        /**\n\t\t\t *  The last computed value\n\t\t\t *  @type {Number}\n\t\t\t *  @private\n\t\t\t */\n\t        this._lastValue = 0;\n\t    };\n\t    Tone.extend(Tone.Meter);\n\t    /**\n\t\t *  @private\n\t\t *  @enum {String}\n\t\t */\n\t    Tone.Meter.Type = {\n\t        Level: 'level',\n\t        Signal: 'signal'\n\t    };\n\t    /**\n\t\t *  The defaults\n\t\t *  @type {Object}\n\t\t *  @static\n\t\t *  @const\n\t\t */\n\t    Tone.Meter.defaults = {\n\t        'smoothing': 0.8,\n\t        'type': Tone.Meter.Type.Level\n\t    };\n\t    /**\n\t\t * The current value of the meter. A value of 1 is\n\t\t * \"unity\".\n\t\t * @memberOf Tone.Meter#\n\t\t * @type {Number}\n\t\t * @name value\n\t\t * @readOnly\n\t\t */\n\t    Object.defineProperty(Tone.Meter.prototype, 'value', {\n\t        get: function () {\n\t            var signal = this._analyser.analyse();\n\t            if (this.type === Tone.Meter.Type.Level) {\n\t                //rms\n\t                var sum = 0;\n\t                for (var i = 0; i < signal.length; i++) {\n\t                    sum += Math.pow(signal[i], 2);\n\t                }\n\t                var rms = Math.sqrt(sum / signal.length);\n\t                //smooth it\n\t                rms = Math.max(rms, this._lastValue * this.smoothing);\n\t                this._lastValue = rms;\n\t                //scale it\n\t                var unity = 0.35;\n\t                var val = rms / unity;\n\t                //scale the output curve\n\t                return Math.sqrt(val);\n\t            } else {\n\t                return signal[0];\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t *  Clean up.\n\t\t *  @returns {Tone.Meter} this\n\t\t */\n\t    Tone.Meter.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._analyser.dispose();\n\t        this._analyser = null;\n\t        return this;\n\t    };\n\t    return Tone.Meter;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *\t@class  Tone.Split splits an incoming signal into left and right channels.\n\t\t *\t\n\t\t *  @constructor\n\t\t *  @extends {Tone}\n\t\t *  @example\n\t\t * var split = new Tone.Split();\n\t\t * stereoSignal.connect(split);\n\t\t */\n\t    Tone.Split = function () {\n\t        this.createInsOuts(0, 2);\n\t        /** \n\t\t\t *  @type {ChannelSplitterNode}\n\t\t\t *  @private\n\t\t\t */\n\t        this._splitter = this.input = this.context.createChannelSplitter(2);\n\t        /** \n\t\t\t *  Left channel output. \n\t\t\t *  Alias for <code>output[0]</code>\n\t\t\t *  @type {Tone.Gain}\n\t\t\t */\n\t        this.left = this.output[0] = new Tone.Gain();\n\t        /**\n\t\t\t *  Right channel output.\n\t\t\t *  Alias for <code>output[1]</code>\n\t\t\t *  @type {Tone.Gain}\n\t\t\t */\n\t        this.right = this.output[1] = new Tone.Gain();\n\t        //connections\n\t        this._splitter.connect(this.left, 0, 0);\n\t        this._splitter.connect(this.right, 1, 0);\n\t    };\n\t    Tone.extend(Tone.Split);\n\t    /**\n\t\t *  Clean up. \n\t\t *  @returns {Tone.Split} this\n\t\t */\n\t    Tone.Split.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._splitter.disconnect();\n\t        this.left.dispose();\n\t        this.left = null;\n\t        this.right.dispose();\n\t        this.right = null;\n\t        this._splitter = null;\n\t        return this;\n\t    };\n\t    return Tone.Split;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Mid/Side processing separates the the 'mid' signal \n\t\t *         (which comes out of both the left and the right channel) \n\t\t *         and the 'side' (which only comes out of the the side channels). <br><br>\n\t\t *         <code>\n\t\t *         Mid = (Left+Right)/sqrt(2);   // obtain mid-signal from left and right<br>\n\t\t *         Side = (Left-Right)/sqrt(2);   // obtain side-signal from left and righ<br>\n\t\t *         </code>\n\t\t *\n\t\t *  @extends {Tone}\n\t\t *  @constructor\n\t\t */\n\t    Tone.MidSideSplit = function () {\n\t        this.createInsOuts(0, 2);\n\t        /**\n\t\t\t *  split the incoming signal into left and right channels\n\t\t\t *  @type  {Tone.Split}\n\t\t\t *  @private\n\t\t\t */\n\t        this._split = this.input = new Tone.Split();\n\t        /**\n\t\t\t *  The mid send. Connect to mid processing. Alias for\n\t\t\t *  <code>output[0]</code>\n\t\t\t *  @type {Tone.Expr}\n\t\t\t */\n\t        this.mid = this.output[0] = new Tone.Expr('($0 + $1) * $2');\n\t        /**\n\t\t\t *  The side output. Connect to side processing. Alias for\n\t\t\t *  <code>output[1]</code>\n\t\t\t *  @type {Tone.Expr}\n\t\t\t */\n\t        this.side = this.output[1] = new Tone.Expr('($0 - $1) * $2');\n\t        this._split.connect(this.mid, 0, 0);\n\t        this._split.connect(this.mid, 1, 1);\n\t        this._split.connect(this.side, 0, 0);\n\t        this._split.connect(this.side, 1, 1);\n\t        this.context.getConstant(Math.SQRT1_2).connect(this.mid, 0, 2);\n\t        this.context.getConstant(Math.SQRT1_2).connect(this.side, 0, 2);\n\t    };\n\t    Tone.extend(Tone.MidSideSplit);\n\t    /**\n\t\t *  clean up\n\t\t *  @returns {Tone.MidSideSplit} this\n\t\t */\n\t    Tone.MidSideSplit.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this.mid.dispose();\n\t        this.mid = null;\n\t        this.side.dispose();\n\t        this.side = null;\n\t        this._split.dispose();\n\t        this._split = null;\n\t        return this;\n\t    };\n\t    return Tone.MidSideSplit;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Mid/Side processing separates the the 'mid' signal \n\t\t *         (which comes out of both the left and the right channel) \n\t\t *         and the 'side' (which only comes out of the the side channels). \n\t\t *         MidSideMerge merges the mid and side signal after they've been seperated\n\t\t *         by Tone.MidSideSplit.<br><br>\n\t\t *         <code>\n\t\t *         Left = (Mid+Side)/sqrt(2);   // obtain left signal from mid and side<br>\n\t\t *         Right = (Mid-Side)/sqrt(2);   // obtain right signal from mid and side<br>\n\t\t *         </code>\n\t\t *\n\t\t *  @extends {Tone.StereoEffect}\n\t\t *  @constructor\n\t\t */\n\t    Tone.MidSideMerge = function () {\n\t        this.createInsOuts(2, 0);\n\t        /**\n\t\t\t *  The mid signal input. Alias for\n\t\t\t *  <code>input[0]</code>\n\t\t\t *  @type  {Tone.Gain}\n\t\t\t */\n\t        this.mid = this.input[0] = new Tone.Gain();\n\t        /**\n\t\t\t *  recombine the mid/side into Left\n\t\t\t *  @type {Tone.Expr}\n\t\t\t *  @private\n\t\t\t */\n\t        this._left = new Tone.Expr('($0 + $1) * $2');\n\t        /**\n\t\t\t *  The side signal input. Alias for\n\t\t\t *  <code>input[1]</code>\n\t\t\t *  @type  {Tone.Gain}\n\t\t\t */\n\t        this.side = this.input[1] = new Tone.Gain();\n\t        /**\n\t\t\t *  recombine the mid/side into Right\n\t\t\t *  @type {Tone.Expr}\n\t\t\t *  @private\n\t\t\t */\n\t        this._right = new Tone.Expr('($0 - $1) * $2');\n\t        /**\n\t\t\t *  Merge the left/right signal back into a stereo signal.\n\t\t\t *  @type {Tone.Merge}\n\t\t\t *  @private\n\t\t\t */\n\t        this._merge = this.output = new Tone.Merge();\n\t        this.mid.connect(this._left, 0, 0);\n\t        this.side.connect(this._left, 0, 1);\n\t        this.mid.connect(this._right, 0, 0);\n\t        this.side.connect(this._right, 0, 1);\n\t        this._left.connect(this._merge, 0, 0);\n\t        this._right.connect(this._merge, 0, 1);\n\t        this.context.getConstant(Math.SQRT1_2).connect(this._left, 0, 2);\n\t        this.context.getConstant(Math.SQRT1_2).connect(this._right, 0, 2);\n\t    };\n\t    Tone.extend(Tone.MidSideMerge);\n\t    /**\n\t\t *  clean up\n\t\t *  @returns {Tone.MidSideMerge} this\n\t\t */\n\t    Tone.MidSideMerge.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this.mid.dispose();\n\t        this.mid = null;\n\t        this.side.dispose();\n\t        this.side = null;\n\t        this._left.dispose();\n\t        this._left = null;\n\t        this._right.dispose();\n\t        this._right = null;\n\t        this._merge.dispose();\n\t        this._merge = null;\n\t        return this;\n\t    };\n\t    return Tone.MidSideMerge;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Tone.MidSideCompressor applies two different compressors to the mid\n\t\t *         and side signal components. See Tone.MidSideSplit. \n\t\t *\n\t\t *  @extends {Tone}\n\t\t *  @param {Object} options The options that are passed to the mid and side\n\t\t *                          compressors. \n\t\t *  @constructor\n\t\t */\n\t    Tone.MidSideCompressor = function (options) {\n\t        options = this.defaultArg(options, Tone.MidSideCompressor.defaults);\n\t        /**\n\t\t\t *  the mid/side split\n\t\t\t *  @type  {Tone.MidSideSplit}\n\t\t\t *  @private\n\t\t\t */\n\t        this._midSideSplit = this.input = new Tone.MidSideSplit();\n\t        /**\n\t\t\t *  the mid/side recombination\n\t\t\t *  @type  {Tone.MidSideMerge}\n\t\t\t *  @private\n\t\t\t */\n\t        this._midSideMerge = this.output = new Tone.MidSideMerge();\n\t        /**\n\t\t\t *  The compressor applied to the mid signal\n\t\t\t *  @type  {Tone.Compressor}\n\t\t\t */\n\t        this.mid = new Tone.Compressor(options.mid);\n\t        /**\n\t\t\t *  The compressor applied to the side signal\n\t\t\t *  @type  {Tone.Compressor}\n\t\t\t */\n\t        this.side = new Tone.Compressor(options.side);\n\t        this._midSideSplit.mid.chain(this.mid, this._midSideMerge.mid);\n\t        this._midSideSplit.side.chain(this.side, this._midSideMerge.side);\n\t        this._readOnly([\n\t            'mid',\n\t            'side'\n\t        ]);\n\t    };\n\t    Tone.extend(Tone.MidSideCompressor);\n\t    /**\n\t\t *  @const\n\t\t *  @static\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.MidSideCompressor.defaults = {\n\t        'mid': {\n\t            'ratio': 3,\n\t            'threshold': -24,\n\t            'release': 0.03,\n\t            'attack': 0.02,\n\t            'knee': 16\n\t        },\n\t        'side': {\n\t            'ratio': 6,\n\t            'threshold': -30,\n\t            'release': 0.25,\n\t            'attack': 0.03,\n\t            'knee': 10\n\t        }\n\t    };\n\t    /**\n\t\t *  Clean up.\n\t\t *  @returns {Tone.MidSideCompressor} this\n\t\t */\n\t    Tone.MidSideCompressor.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._writable([\n\t            'mid',\n\t            'side'\n\t        ]);\n\t        this.mid.dispose();\n\t        this.mid = null;\n\t        this.side.dispose();\n\t        this.side = null;\n\t        this._midSideSplit.dispose();\n\t        this._midSideSplit = null;\n\t        this._midSideMerge.dispose();\n\t        this._midSideMerge = null;\n\t        return this;\n\t    };\n\t    return Tone.MidSideCompressor;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Tone.Mono coerces the incoming mono or stereo signal into a mono signal\n\t\t *         where both left and right channels have the same value. This can be useful \n\t\t *         for [stereo imaging](https://en.wikipedia.org/wiki/Stereo_imaging).\n\t\t *\n\t\t *  @extends {Tone}\n\t\t *  @constructor\n\t\t */\n\t    Tone.Mono = function () {\n\t        this.createInsOuts(1, 0);\n\t        /**\n\t\t\t *  merge the signal\n\t\t\t *  @type {Tone.Merge}\n\t\t\t *  @private\n\t\t\t */\n\t        this._merge = this.output = new Tone.Merge();\n\t        this.input.connect(this._merge, 0, 0);\n\t        this.input.connect(this._merge, 0, 1);\n\t        this.input.gain.value = this.dbToGain(-10);\n\t    };\n\t    Tone.extend(Tone.Mono);\n\t    /**\n\t\t *  clean up\n\t\t *  @returns {Tone.Mono} this\n\t\t */\n\t    Tone.Mono.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._merge.dispose();\n\t        this._merge = null;\n\t        return this;\n\t    };\n\t    return Tone.Mono;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class A compressor with seperate controls over low/mid/high dynamics\n\t\t *\n\t\t *  @extends {Tone}\n\t\t *  @constructor\n\t\t *  @param {Object} options The low/mid/high compressor settings.\n\t\t *  @example\n\t\t *  var multiband = new Tone.MultibandCompressor({\n\t\t *  \t\"lowFrequency\" : 200,\n\t\t *  \t\"highFrequency\" : 1300\n\t\t *  \t\"low\" : {\n\t\t *  \t\t\"threshold\" : -12\n\t\t *  \t}\n\t\t *  })\n\t\t */\n\t    Tone.MultibandCompressor = function (options) {\n\t        options = this.defaultArg(arguments, Tone.MultibandCompressor.defaults);\n\t        /**\n\t\t\t *  split the incoming signal into high/mid/low\n\t\t\t *  @type {Tone.MultibandSplit}\n\t\t\t *  @private\n\t\t\t */\n\t        this._splitter = this.input = new Tone.MultibandSplit({\n\t            'lowFrequency': options.lowFrequency,\n\t            'highFrequency': options.highFrequency\n\t        });\n\t        /**\n\t\t\t *  low/mid crossover frequency.\n\t\t\t *  @type {Frequency}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.lowFrequency = this._splitter.lowFrequency;\n\t        /**\n\t\t\t *  mid/high crossover frequency.\n\t\t\t *  @type {Frequency}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.highFrequency = this._splitter.highFrequency;\n\t        /**\n\t\t\t *  the output\n\t\t\t *  @type {Tone.Gain}\n\t\t\t *  @private\n\t\t\t */\n\t        this.output = new Tone.Gain();\n\t        /**\n\t\t\t *  The compressor applied to the low frequencies.\n\t\t\t *  @type {Tone.Compressor}\n\t\t\t */\n\t        this.low = new Tone.Compressor(options.low);\n\t        /**\n\t\t\t *  The compressor applied to the mid frequencies.\n\t\t\t *  @type {Tone.Compressor}\n\t\t\t */\n\t        this.mid = new Tone.Compressor(options.mid);\n\t        /**\n\t\t\t *  The compressor applied to the high frequencies.\n\t\t\t *  @type {Tone.Compressor}\n\t\t\t */\n\t        this.high = new Tone.Compressor(options.high);\n\t        //connect the compressor\n\t        this._splitter.low.chain(this.low, this.output);\n\t        this._splitter.mid.chain(this.mid, this.output);\n\t        this._splitter.high.chain(this.high, this.output);\n\t        this._readOnly([\n\t            'high',\n\t            'mid',\n\t            'low',\n\t            'highFrequency',\n\t            'lowFrequency'\n\t        ]);\n\t    };\n\t    Tone.extend(Tone.MultibandCompressor);\n\t    /**\n\t\t *  @const\n\t\t *  @static\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.MultibandCompressor.defaults = {\n\t        'low': Tone.Compressor.defaults,\n\t        'mid': Tone.Compressor.defaults,\n\t        'high': Tone.Compressor.defaults,\n\t        'lowFrequency': 250,\n\t        'highFrequency': 2000\n\t    };\n\t    /**\n\t\t *  clean up\n\t\t *  @returns {Tone.MultibandCompressor} this\n\t\t */\n\t    Tone.MultibandCompressor.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._splitter.dispose();\n\t        this._writable([\n\t            'high',\n\t            'mid',\n\t            'low',\n\t            'highFrequency',\n\t            'lowFrequency'\n\t        ]);\n\t        this.low.dispose();\n\t        this.mid.dispose();\n\t        this.high.dispose();\n\t        this._splitter = null;\n\t        this.low = null;\n\t        this.mid = null;\n\t        this.high = null;\n\t        this.lowFrequency = null;\n\t        this.highFrequency = null;\n\t        return this;\n\t    };\n\t    return Tone.MultibandCompressor;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  Tone.Panner is an equal power Left/Right Panner and does not\n\t\t *          support 3D. Panner uses the StereoPannerNode when available. \n\t\t *  \n\t\t *  @constructor\n\t\t *  @extends {Tone}\n\t\t *  @param {NormalRange} [initialPan=0] The initail panner value (defaults to 0 = center)\n\t\t *  @example\n\t\t *  //pan the input signal hard right. \n\t\t *  var panner = new Tone.Panner(1);\n\t\t */\n\t    Tone.Panner = function (initialPan) {\n\t        if (this._hasStereoPanner) {\n\t            /**\n\t\t\t\t *  the panner node\n\t\t\t\t *  @type {StereoPannerNode}\n\t\t\t\t *  @private\n\t\t\t\t */\n\t            this._panner = this.input = this.output = this.context.createStereoPanner();\n\t            /**\n\t\t\t\t *  The pan control. -1 = hard left, 1 = hard right. \n\t\t\t\t *  @type {NormalRange}\n\t\t\t\t *  @signal\n\t\t\t\t */\n\t            this.pan = this._panner.pan;\n\t        } else {\n\t            /**\n\t\t\t\t *  the dry/wet knob\n\t\t\t\t *  @type {Tone.CrossFade}\n\t\t\t\t *  @private\n\t\t\t\t */\n\t            this._crossFade = new Tone.CrossFade();\n\t            /**\n\t\t\t\t *  @type {Tone.Merge}\n\t\t\t\t *  @private\n\t\t\t\t */\n\t            this._merger = this.output = new Tone.Merge();\n\t            /**\n\t\t\t\t *  @type {Tone.Split}\n\t\t\t\t *  @private\n\t\t\t\t */\n\t            this._splitter = this.input = new Tone.Split();\n\t            /**\n\t\t\t\t *  The pan control. -1 = hard left, 1 = hard right. \n\t\t\t\t *  @type {AudioRange}\n\t\t\t\t *  @signal\n\t\t\t\t */\n\t            this.pan = new Tone.Signal(0, Tone.Type.AudioRange);\n\t            /**\n\t\t\t\t *  always sends 0\n\t\t\t\t *  @type {Tone.Zero}\n\t\t\t\t *  @private\n\t\t\t\t */\n\t            this._zero = new Tone.Zero();\n\t            /**\n\t\t\t\t *  The analog to gain conversion\n\t\t\t\t *  @type  {Tone.AudioToGain}\n\t\t\t\t *  @private\n\t\t\t\t */\n\t            this._a2g = new Tone.AudioToGain();\n\t            //CONNECTIONS:\n\t            this._zero.connect(this._a2g);\n\t            this.pan.chain(this._a2g, this._crossFade.fade);\n\t            //left channel is a, right channel is b\n\t            this._splitter.connect(this._crossFade, 0, 0);\n\t            this._splitter.connect(this._crossFade, 1, 1);\n\t            //merge it back together\n\t            this._crossFade.a.connect(this._merger, 0, 0);\n\t            this._crossFade.b.connect(this._merger, 0, 1);\n\t        }\n\t        //initial value\n\t        this.pan.value = this.defaultArg(initialPan, 0);\n\t        this._readOnly('pan');\n\t    };\n\t    Tone.extend(Tone.Panner);\n\t    /**\n\t\t *  indicates if the panner is using the new StereoPannerNode internally\n\t\t *  @type  {boolean}\n\t\t *  @private\n\t\t */\n\t    Tone.Panner.prototype._hasStereoPanner = Tone.prototype.isFunction(Tone.context.createStereoPanner);\n\t    /**\n\t\t *  Clean up.\n\t\t *  @returns {Tone.Panner} this\n\t\t */\n\t    Tone.Panner.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._writable('pan');\n\t        if (this._hasStereoPanner) {\n\t            this._panner.disconnect();\n\t            this._panner = null;\n\t            this.pan = null;\n\t        } else {\n\t            this._zero.dispose();\n\t            this._zero = null;\n\t            this._crossFade.dispose();\n\t            this._crossFade = null;\n\t            this._splitter.dispose();\n\t            this._splitter = null;\n\t            this._merger.dispose();\n\t            this._merger = null;\n\t            this.pan.dispose();\n\t            this.pan = null;\n\t            this._a2g.dispose();\n\t            this._a2g = null;\n\t        }\n\t        return this;\n\t    };\n\t    return Tone.Panner;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  A spatialized panner node which supports equalpower or HRTF panning.\n\t\t *          Tries to normalize the API across various browsers. See Tone.Listener\n\t\t *  \n\t\t *  @constructor\n\t\t *  @extends {Tone}\n\t\t *  @param {Number} positionX The initial x position.\n\t\t *  @param {Number} positionY The initial y position.\n\t\t *  @param {Number} positionZ The initial z position.\n\t\t */\n\t    Tone.Panner3D = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'positionX',\n\t            'positionY',\n\t            'positionZ'\n\t        ], Tone.Panner3D.defaults);\n\t        /**\n\t\t\t *  The panner node\n\t\t\t *  @type {PannerNode}\n\t\t\t *  @private\n\t\t\t */\n\t        this._panner = this.input = this.output = this.context.createPanner();\n\t        //set some values\n\t        this._panner.panningModel = options.panningModel;\n\t        this._panner.maxDistance = options.maxDistance;\n\t        this._panner.distanceModel = options.distanceModel;\n\t        this._panner.coneOuterGain = options.coneOuterGain;\n\t        this._panner.coneOuterAngle = options.coneOuterAngle;\n\t        this._panner.coneInnerAngle = options.coneInnerAngle;\n\t        this._panner.refDistance = options.refDistance;\n\t        this._panner.rolloffFactor = options.rolloffFactor;\n\t        /**\n\t\t\t *  Holds the current orientation\n\t\t\t *  @type  {Array}\n\t\t\t *  @private\n\t\t\t */\n\t        this._orientation = [\n\t            options.orientationX,\n\t            options.orientationY,\n\t            options.orientationZ\n\t        ];\n\t        /**\n\t\t\t *  Holds the current position\n\t\t\t *  @type  {Array}\n\t\t\t *  @private\n\t\t\t */\n\t        this._position = [\n\t            options.positionX,\n\t            options.positionY,\n\t            options.positionZ\n\t        ];\n\t        // set the default position/orientation\n\t        this.orientationX = options.orientationX;\n\t        this.orientationY = options.orientationY;\n\t        this.orientationZ = options.orientationZ;\n\t        this.positionX = options.positionX;\n\t        this.positionY = options.positionY;\n\t        this.positionZ = options.positionZ;\n\t    };\n\t    Tone.extend(Tone.Panner3D);\n\t    /**\n\t\t *  the default parameters\n\t\t *  @static\n\t\t *  @const\n\t\t *  @type {Object}\n\t\t *  Defaults according to the specification\n\t\t */\n\t    Tone.Panner3D.defaults = {\n\t        'positionX': 0,\n\t        'positionY': 0,\n\t        'positionZ': 0,\n\t        'orientationX': 0,\n\t        'orientationY': 0,\n\t        'orientationZ': 0,\n\t        'panningModel': 'equalpower',\n\t        'maxDistance': 10000,\n\t        'distanceModel': 'inverse',\n\t        'coneOuterGain': 0,\n\t        'coneOuterAngle': 360,\n\t        'coneInnerAngle': 360,\n\t        'refDistance': 1,\n\t        'rolloffFactor': 1\n\t    };\n\t    /**\n\t\t * The ramp time which is applied to the setTargetAtTime\n\t\t * @type {Number}\n\t\t * @private\n\t\t */\n\t    Tone.Panner3D.prototype._rampTimeConstant = 0.01;\n\t    /**\n\t\t *  Sets the position of the source in 3d space.\t\n\t\t *  @param  {Number}  x\n\t\t *  @param  {Number}  y\n\t\t *  @param  {Number}  z\n\t\t *  @return {Tone.Panner3D} this\n\t\t */\n\t    Tone.Panner3D.prototype.setPosition = function (x, y, z) {\n\t        if (this._panner.positionX) {\n\t            var now = this.now();\n\t            this._panner.positionX.setTargetAtTime(x, now, this._rampTimeConstant);\n\t            this._panner.positionY.setTargetAtTime(y, now, this._rampTimeConstant);\n\t            this._panner.positionZ.setTargetAtTime(z, now, this._rampTimeConstant);\n\t        } else {\n\t            this._panner.setPosition(x, y, z);\n\t        }\n\t        this._position = Array.prototype.slice.call(arguments);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Sets the orientation of the source in 3d space.\t\n\t\t *  @param  {Number}  x\n\t\t *  @param  {Number}  y\n\t\t *  @param  {Number}  z\n\t\t *  @return {Tone.Panner3D} this\n\t\t */\n\t    Tone.Panner3D.prototype.setOrientation = function (x, y, z) {\n\t        if (this._panner.orientationX) {\n\t            var now = this.now();\n\t            this._panner.orientationX.setTargetAtTime(x, now, this._rampTimeConstant);\n\t            this._panner.orientationY.setTargetAtTime(y, now, this._rampTimeConstant);\n\t            this._panner.orientationZ.setTargetAtTime(z, now, this._rampTimeConstant);\n\t        } else {\n\t            this._panner.setOrientation(x, y, z);\n\t        }\n\t        this._orientation = Array.prototype.slice.call(arguments);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  The x position of the panner object.\n\t\t *  @type {Number}\n\t\t *  @memberOf Tone.Panner3D#\n\t\t *  @name positionX\n\t\t */\n\t    Object.defineProperty(Tone.Panner3D.prototype, 'positionX', {\n\t        set: function (pos) {\n\t            this._position[0] = pos;\n\t            this.setPosition.apply(this, this._position);\n\t        },\n\t        get: function () {\n\t            return this._position[0];\n\t        }\n\t    });\n\t    /**\n\t\t *  The y position of the panner object.\n\t\t *  @type {Number}\n\t\t *  @memberOf Tone.Panner3D#\n\t\t *  @name positionY\n\t\t */\n\t    Object.defineProperty(Tone.Panner3D.prototype, 'positionY', {\n\t        set: function (pos) {\n\t            this._position[1] = pos;\n\t            this.setPosition.apply(this, this._position);\n\t        },\n\t        get: function () {\n\t            return this._position[1];\n\t        }\n\t    });\n\t    /**\n\t\t *  The z position of the panner object.\n\t\t *  @type {Number}\n\t\t *  @memberOf Tone.Panner3D#\n\t\t *  @name positionZ\n\t\t */\n\t    Object.defineProperty(Tone.Panner3D.prototype, 'positionZ', {\n\t        set: function (pos) {\n\t            this._position[2] = pos;\n\t            this.setPosition.apply(this, this._position);\n\t        },\n\t        get: function () {\n\t            return this._position[2];\n\t        }\n\t    });\n\t    /**\n\t\t *  The x orientation of the panner object.\n\t\t *  @type {Number}\n\t\t *  @memberOf Tone.Panner3D#\n\t\t *  @name orientationX\n\t\t */\n\t    Object.defineProperty(Tone.Panner3D.prototype, 'orientationX', {\n\t        set: function (pos) {\n\t            this._orientation[0] = pos;\n\t            this.setOrientation.apply(this, this._orientation);\n\t        },\n\t        get: function () {\n\t            return this._orientation[0];\n\t        }\n\t    });\n\t    /**\n\t\t *  The y orientation of the panner object.\n\t\t *  @type {Number}\n\t\t *  @memberOf Tone.Panner3D#\n\t\t *  @name orientationY\n\t\t */\n\t    Object.defineProperty(Tone.Panner3D.prototype, 'orientationY', {\n\t        set: function (pos) {\n\t            this._orientation[1] = pos;\n\t            this.setOrientation.apply(this, this._orientation);\n\t        },\n\t        get: function () {\n\t            return this._orientation[1];\n\t        }\n\t    });\n\t    /**\n\t\t *  The z orientation of the panner object.\n\t\t *  @type {Number}\n\t\t *  @memberOf Tone.Panner3D#\n\t\t *  @name orientationZ\n\t\t */\n\t    Object.defineProperty(Tone.Panner3D.prototype, 'orientationZ', {\n\t        set: function (pos) {\n\t            this._orientation[2] = pos;\n\t            this.setOrientation.apply(this, this._orientation);\n\t        },\n\t        get: function () {\n\t            return this._orientation[2];\n\t        }\n\t    });\n\t    /**\n\t\t *  Proxy a property on the panner to an exposed public propery\n\t\t *  @param  {String}  prop\n\t\t *  @private\n\t\t */\n\t    Tone.Panner3D._aliasProperty = function (prop) {\n\t        Object.defineProperty(Tone.Panner3D.prototype, prop, {\n\t            set: function (val) {\n\t                this._panner[prop] = val;\n\t            },\n\t            get: function () {\n\t                return this._panner[prop];\n\t            }\n\t        });\n\t    };\n\t    /**\n\t\t *  The panning model. Either \"equalpower\" or \"HRTF\".\n\t\t *  @type {String}\n\t\t *  @memberOf Tone.Panner3D#\n\t\t *  @name panningModel\n\t\t */\n\t    Tone.Panner3D._aliasProperty('panningModel');\n\t    /**\n\t\t *  A reference distance for reducing volume as source move further from the listener\n\t\t *  @type {Number}\n\t\t *  @memberOf Tone.Panner3D#\n\t\t *  @name refDistance\n\t\t */\n\t    Tone.Panner3D._aliasProperty('refDistance');\n\t    /**\n\t\t *  Describes how quickly the volume is reduced as source moves away from listener.\n\t\t *  @type {Number}\n\t\t *  @memberOf Tone.Panner3D#\n\t\t *  @name rolloffFactor\n\t\t */\n\t    Tone.Panner3D._aliasProperty('rolloffFactor');\n\t    /**\n\t\t *  The distance model used by,  \"linear\", \"inverse\", or \"exponential\".\n\t\t *  @type {String}\n\t\t *  @memberOf Tone.Panner3D#\n\t\t *  @name distanceModel\n\t\t */\n\t    Tone.Panner3D._aliasProperty('distanceModel');\n\t    /**\n\t\t *  The angle, in degrees, inside of which there will be no volume reduction\n\t\t *  @type {Degrees}\n\t\t *  @memberOf Tone.Panner3D#\n\t\t *  @name coneInnerAngle\n\t\t */\n\t    Tone.Panner3D._aliasProperty('coneInnerAngle');\n\t    /**\n\t\t *  The angle, in degrees, outside of which the volume will be reduced \n\t\t *  to a constant value of coneOuterGain\n\t\t *  @type {Degrees}\n\t\t *  @memberOf Tone.Panner3D#\n\t\t *  @name coneOuterAngle\n\t\t */\n\t    Tone.Panner3D._aliasProperty('coneOuterAngle');\n\t    /**\n\t\t *  The gain outside of the coneOuterAngle\n\t\t *  @type {Gain}\n\t\t *  @memberOf Tone.Panner3D#\n\t\t *  @name coneOuterGain\n\t\t */\n\t    Tone.Panner3D._aliasProperty('coneOuterGain');\n\t    /**\n\t\t *  The maximum distance between source and listener, \n\t\t *  after which the volume will not be reduced any further.\n\t\t *  @type {Positive}\n\t\t *  @memberOf Tone.Panner3D#\n\t\t *  @name maxDistance\n\t\t */\n\t    Tone.Panner3D._aliasProperty('maxDistance');\n\t    /**\n\t\t *  Clean up.\n\t\t *  @returns {Tone.Panner3D} this\n\t\t */\n\t    Tone.Panner3D.prototype.dispose = function () {\n\t        this._panner.disconnect();\n\t        this._panner = null;\n\t        this._orientation = null;\n\t        this._position = null;\n\t        return this;\n\t    };\n\t    return Tone.Panner3D;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Tone.PanVol is a Tone.Panner and Tone.Volume in one.\n\t\t *\n\t\t *  @extends {Tone}\n\t\t *  @constructor\n\t\t *  @param {AudioRange} pan the initial pan\n\t\t *  @param {number} volume The output volume. \n\t\t *  @example\n\t\t * //pan the incoming signal left and drop the volume\n\t\t * var panVol = new Tone.PanVol(0.25, -12);\n\t\t */\n\t    Tone.PanVol = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'pan',\n\t            'volume'\n\t        ], Tone.PanVol.defaults);\n\t        /**\n\t\t\t *  The panning node\n\t\t\t *  @type {Tone.Panner}\n\t\t\t *  @private\n\t\t\t */\n\t        this._panner = this.input = new Tone.Panner(options.pan);\n\t        /**\n\t\t\t *  The L/R panning control.\n\t\t\t *  @type {AudioRange}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.pan = this._panner.pan;\n\t        /**\n\t\t\t *  The volume node\n\t\t\t *  @type {Tone.Volume}\n\t\t\t */\n\t        this._volume = this.output = new Tone.Volume(options.volume);\n\t        /**\n\t\t\t *  The volume control in decibels. \n\t\t\t *  @type {Decibels}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.volume = this._volume.volume;\n\t        //connections\n\t        this._panner.connect(this._volume);\n\t        this._readOnly([\n\t            'pan',\n\t            'volume'\n\t        ]);\n\t    };\n\t    Tone.extend(Tone.PanVol);\n\t    /**\n\t\t *  The defaults\n\t\t *  @type  {Object}\n\t\t *  @const\n\t\t *  @static\n\t\t */\n\t    Tone.PanVol.defaults = {\n\t        'pan': 0.5,\n\t        'volume': 0\n\t    };\n\t    /**\n\t\t *  clean up\n\t\t *  @returns {Tone.PanVol} this\n\t\t */\n\t    Tone.PanVol.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._writable([\n\t            'pan',\n\t            'volume'\n\t        ]);\n\t        this._panner.dispose();\n\t        this._panner = null;\n\t        this.pan = null;\n\t        this._volume.dispose();\n\t        this._volume = null;\n\t        this.volume = null;\n\t        return this;\n\t    };\n\t    return Tone.PanVol;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Tone.CtrlInterpolate will interpolate between given values based\n\t\t *         on the \"index\" property. Passing in an array or object literal\n\t\t *         will interpolate each of the parameters. Note (i.e. \"C3\")\n\t\t *         and Time (i.e. \"4n + 2\") can be interpolated. All other values are\n\t\t *         assumed to be numbers. \n\t\t *  @example\n\t\t * var interp = new Tone.CtrlInterpolate([0, 2, 9, 4]);\n\t\t * interp.index = 0.75;\n\t\t * interp.value; //returns 1.5\n\t\t *\n\t\t *  @example\n\t\t * var interp = new Tone.CtrlInterpolate([\n\t\t * \t[2, 4, 5],\n\t\t * \t[9, 3, 2],\n\t\t * ]);\n\t\t * @param {Array} values The array of values to interpolate over\n\t\t * @param {Positive} index The initial interpolation index.\n\t\t * @extends {Tone}\n\t\t */\n\t    Tone.CtrlInterpolate = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'values',\n\t            'index'\n\t        ], Tone.CtrlInterpolate.defaults);\n\t        /**\n\t\t\t *  The values to interpolate between\n\t\t\t *  @type  {Array}\n\t\t\t */\n\t        this.values = options.values;\n\t        /**\n\t\t\t *  The interpolated index between values. For example: a value of 1.5\n\t\t\t *  would interpolate equally between the value at index 1\n\t\t\t *  and the value at index 2. \n\t\t\t *  @example\n\t\t\t * interp.index = 0; \n\t\t\t * interp.value; //returns the value at 0\n\t\t\t * interp.index = 0.5;\n\t\t\t * interp.value; //returns the value between indices 0 and 1. \n\t\t\t *  @type  {Positive}\n\t\t\t */\n\t        this.index = options.index;\n\t    };\n\t    Tone.extend(Tone.CtrlInterpolate);\n\t    /**\n\t\t *  The defaults\n\t\t *  @const\n\t\t *  @type  {Object}\n\t\t */\n\t    Tone.CtrlInterpolate.defaults = {\n\t        'index': 0,\n\t        'values': []\n\t    };\n\t    /**\n\t\t *  The current interpolated value based on the index\n\t\t *  @readOnly\n\t\t *  @memberOf Tone.CtrlInterpolate#\n\t\t *  @type {*}\n\t\t *  @name value\n\t\t */\n\t    Object.defineProperty(Tone.CtrlInterpolate.prototype, 'value', {\n\t        get: function () {\n\t            var index = this.index;\n\t            index = Math.min(index, this.values.length - 1);\n\t            var lowerPosition = Math.floor(index);\n\t            var lower = this.values[lowerPosition];\n\t            var upper = this.values[Math.ceil(index)];\n\t            return this._interpolate(index - lowerPosition, lower, upper);\n\t        }\n\t    });\n\t    /**\n\t\t *  Internal interpolation routine\n\t\t *  @param  {NormalRange}  index  The index between the lower and upper\n\t\t *  @param  {*}  lower \n\t\t *  @param  {*}  upper \n\t\t *  @return  {*}  The interpolated value\n\t\t *  @private\n\t\t */\n\t    Tone.CtrlInterpolate.prototype._interpolate = function (index, lower, upper) {\n\t        if (this.isArray(lower)) {\n\t            var retArray = [];\n\t            for (var i = 0; i < lower.length; i++) {\n\t                retArray[i] = this._interpolate(index, lower[i], upper[i]);\n\t            }\n\t            return retArray;\n\t        } else if (this.isObject(lower)) {\n\t            var retObj = {};\n\t            for (var attr in lower) {\n\t                retObj[attr] = this._interpolate(index, lower[attr], upper[attr]);\n\t            }\n\t            return retObj;\n\t        } else {\n\t            lower = this._toNumber(lower);\n\t            upper = this._toNumber(upper);\n\t            return (1 - index) * lower + index * upper;\n\t        }\n\t    };\n\t    /**\n\t\t *  Convert from the given type into a number\n\t\t *  @param  {Number|String}  value\n\t\t *  @return  {Number}\n\t\t *  @private\n\t\t */\n\t    Tone.CtrlInterpolate.prototype._toNumber = function (val) {\n\t        if (this.isNumber(val)) {\n\t            return val;\n\t        } else {\n\t            //otherwise assume that it's Time...\n\t            return this.toSeconds(val);\n\t        }\n\t    };\n\t    /**\n\t\t *  Clean up\n\t\t *  @return  {Tone.CtrlInterpolate}  this\n\t\t */\n\t    Tone.CtrlInterpolate.prototype.dispose = function () {\n\t        this.values = null;\n\t    };\n\t    return Tone.CtrlInterpolate;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Tone.CtrlMarkov represents a Markov Chain where each call\n\t\t *         to Tone.CtrlMarkov.next will move to the next state. If the next\n\t\t *         state choice is an array, the next state is chosen randomly with\n\t\t *         even probability for all of the choices. For a weighted probability\n\t\t *         of the next choices, pass in an object with \"state\" and \"probability\" attributes. \n\t\t *         The probabilities will be normalized and then chosen. If no next options\n\t\t *         are given for the current state, the state will stay there. \n\t\t *  @extends {Tone}\n\t\t *  @example\n\t\t * var chain = new Tone.CtrlMarkov({\n\t\t * \t\"beginning\" : [\"end\", \"middle\"],\n\t\t * \t\"middle\" : \"end\"\n\t\t * });\n\t\t * chain.value = \"beginning\";\n\t\t * chain.next(); //returns \"end\" or \"middle\" with 50% probability\n\t\t *\n\t\t *  @example\n\t\t * var chain = new Tone.CtrlMarkov({\n\t\t * \t\"beginning\" : [{\"value\" : \"end\", \"probability\" : 0.8}, \n\t\t * \t\t\t\t\t{\"value\" : \"middle\", \"probability\" : 0.2}],\n\t\t * \t\"middle\" : \"end\"\n\t\t * });\n\t\t * chain.value = \"beginning\";\n\t\t * chain.next(); //returns \"end\" with 80% probability or \"middle\" with 20%.\n\t\t *  @param {Object} values An object with the state names as the keys\n\t\t *                         and the next state(s) as the values. \n\t\t */\n\t    Tone.CtrlMarkov = function (values, initial) {\n\t        /**\n\t\t\t *  The Markov values with states as the keys\n\t\t\t *  and next state(s) as the values. \n\t\t\t *  @type {Object}\n\t\t\t */\n\t        this.values = this.defaultArg(values, {});\n\t        /**\n\t\t\t *  The current state of the Markov values. The next\n\t\t\t *  state will be evaluated and returned when Tone.CtrlMarkov.next\n\t\t\t *  is invoked.\n\t\t\t *  @type {String}\n\t\t\t */\n\t        this.value = this.defaultArg(initial, Object.keys(this.values)[0]);\n\t    };\n\t    Tone.extend(Tone.CtrlMarkov);\n\t    /**\n\t\t *  Returns the next state of the Markov values. \n\t\t *  @return  {String}\n\t\t */\n\t    Tone.CtrlMarkov.prototype.next = function () {\n\t        if (this.values.hasOwnProperty(this.value)) {\n\t            var next = this.values[this.value];\n\t            if (this.isArray(next)) {\n\t                var distribution = this._getProbDistribution(next);\n\t                var rand = Math.random();\n\t                var total = 0;\n\t                for (var i = 0; i < distribution.length; i++) {\n\t                    var dist = distribution[i];\n\t                    if (rand > total && rand < total + dist) {\n\t                        var chosen = next[i];\n\t                        if (this.isObject(chosen)) {\n\t                            this.value = chosen.value;\n\t                        } else {\n\t                            this.value = chosen;\n\t                        }\n\t                    }\n\t                    total += dist;\n\t                }\n\t            } else {\n\t                this.value = next;\n\t            }\n\t        }\n\t        return this.value;\n\t    };\n\t    /**\n\t\t *  Choose randomly from an array weighted options in the form \n\t\t *  {\"state\" : string, \"probability\" : number} or an array of values\n\t\t *  @param  {Array}  options \n\t\t *  @return  {Array}  The randomly selected choice\n\t\t *  @private\n\t\t */\n\t    Tone.CtrlMarkov.prototype._getProbDistribution = function (options) {\n\t        var distribution = [];\n\t        var total = 0;\n\t        var needsNormalizing = false;\n\t        for (var i = 0; i < options.length; i++) {\n\t            var option = options[i];\n\t            if (this.isObject(option)) {\n\t                needsNormalizing = true;\n\t                distribution[i] = option.probability;\n\t            } else {\n\t                distribution[i] = 1 / options.length;\n\t            }\n\t            total += distribution[i];\n\t        }\n\t        if (needsNormalizing) {\n\t            //normalize the values\n\t            for (var j = 0; j < distribution.length; j++) {\n\t                distribution[j] = distribution[j] / total;\n\t            }\n\t        }\n\t        return distribution;\n\t    };\n\t    /**\n\t\t *  Clean up\n\t\t *  @return  {Tone.CtrlMarkov}  this\n\t\t */\n\t    Tone.CtrlMarkov.prototype.dispose = function () {\n\t        this.values = null;\n\t    };\n\t    return Tone.CtrlMarkov;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Generate patterns from an array of values.\n\t\t *         Has a number of arpeggiation and randomized\n\t\t *         selection patterns. \n\t\t *           <ul>\n\t\t *  \t        <li>\"up\" - cycles upward</li>\n\t\t *  \t\t\t<li>\"down\" - cycles downward</li>\n\t\t *  \t\t\t<li>\"upDown\" - up then and down</li>\n\t\t *  \t\t\t<li>\"downUp\" - cycles down then and up</li>\n\t\t *  \t\t\t<li>\"alternateUp\" - jump up two and down one</li>\n\t\t *  \t\t\t<li>\"alternateDown\" - jump down two and up one</li>\n\t\t *  \t\t\t<li>\"random\" - randomly select an index</li>\n\t\t *  \t\t\t<li>\"randomWalk\" - randomly moves one index away from the current position</li>\n\t\t *  \t\t\t<li>\"randomOnce\" - randomly select an index without repeating until all values have been chosen.</li>\n\t\t *     \t\t</ul>\n\t\t *  @param  {Array}  values   An array of options to choose from.\n\t\t *  @param  {Tone.CtrlPattern.Type=}  type  The name of the pattern.\n\t\t *  @extends {Tone}\n\t\t */\n\t    Tone.CtrlPattern = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'values',\n\t            'type'\n\t        ], Tone.CtrlPattern.defaults);\n\t        /**\n\t\t\t *  The array of values to arpeggiate over\n\t\t\t *  @type {Array}\n\t\t\t */\n\t        this.values = options.values;\n\t        /**\n\t\t\t *  The current position in the values array\n\t\t\t *  @type  {Number}\n\t\t\t */\n\t        this.index = 0;\n\t        /**\n\t\t\t *  The type placeholder\n\t\t\t *  @type {Tone.CtrlPattern.Type}\n\t\t\t *  @private\n\t\t\t */\n\t        this._type = null;\n\t        /**\n\t\t\t *  Shuffled values for the RandomOnce type\n\t\t\t *  @type {Array}\n\t\t\t *  @private\n\t\t\t */\n\t        this._shuffled = null;\n\t        /**\n\t\t\t *  The direction of the movement\n\t\t\t *  @type {String}\n\t\t\t *  @private\n\t\t\t */\n\t        this._direction = null;\n\t        this.type = options.type;\n\t    };\n\t    Tone.extend(Tone.CtrlPattern);\n\t    /**\n\t\t *  The Control Patterns\n\t\t *  @type  {Object}\n\t\t *  @static\n\t\t */\n\t    Tone.CtrlPattern.Type = {\n\t        Up: 'up',\n\t        Down: 'down',\n\t        UpDown: 'upDown',\n\t        DownUp: 'downUp',\n\t        AlternateUp: 'alternateUp',\n\t        AlternateDown: 'alternateDown',\n\t        Random: 'random',\n\t        RandomWalk: 'randomWalk',\n\t        RandomOnce: 'randomOnce'\n\t    };\n\t    /**\n\t\t *  The default values. \n\t\t *  @type  {Object}\n\t\t */\n\t    Tone.CtrlPattern.defaults = {\n\t        'type': Tone.CtrlPattern.Type.Up,\n\t        'values': []\n\t    };\n\t    /**\n\t\t *  The value at the current index of the pattern.\n\t\t *  @readOnly\n\t\t *  @memberOf Tone.CtrlPattern#\n\t\t *  @type {*}\n\t\t *  @name value\n\t\t */\n\t    Object.defineProperty(Tone.CtrlPattern.prototype, 'value', {\n\t        get: function () {\n\t            //some safeguards\n\t            if (this.values.length === 0) {\n\t                return;\n\t            } else if (this.values.length === 1) {\n\t                return this.values[0];\n\t            }\n\t            this.index = Math.min(this.index, this.values.length - 1);\n\t            var val = this.values[this.index];\n\t            if (this.type === Tone.CtrlPattern.Type.RandomOnce) {\n\t                if (this.values.length !== this._shuffled.length) {\n\t                    this._shuffleValues();\n\t                }\n\t                val = this.values[this._shuffled[this.index]];\n\t            }\n\t            return val;\n\t        }\n\t    });\n\t    /**\n\t\t *  The pattern used to select the next\n\t\t *  item from the values array\n\t\t *  @memberOf Tone.CtrlPattern#\n\t\t *  @type {Tone.CtrlPattern.Type}\n\t\t *  @name type\n\t\t */\n\t    Object.defineProperty(Tone.CtrlPattern.prototype, 'type', {\n\t        get: function () {\n\t            return this._type;\n\t        },\n\t        set: function (type) {\n\t            this._type = type;\n\t            this._shuffled = null;\n\t            //the first index\n\t            if (this._type === Tone.CtrlPattern.Type.Up || this._type === Tone.CtrlPattern.Type.UpDown || this._type === Tone.CtrlPattern.Type.RandomOnce || this._type === Tone.CtrlPattern.Type.AlternateUp) {\n\t                this.index = 0;\n\t            } else if (this._type === Tone.CtrlPattern.Type.Down || this._type === Tone.CtrlPattern.Type.DownUp || this._type === Tone.CtrlPattern.Type.AlternateDown) {\n\t                this.index = this.values.length - 1;\n\t            }\n\t            //the direction\n\t            if (this._type === Tone.CtrlPattern.Type.UpDown || this._type === Tone.CtrlPattern.Type.AlternateUp) {\n\t                this._direction = Tone.CtrlPattern.Type.Up;\n\t            } else if (this._type === Tone.CtrlPattern.Type.DownUp || this._type === Tone.CtrlPattern.Type.AlternateDown) {\n\t                this._direction = Tone.CtrlPattern.Type.Down;\n\t            }\n\t            //randoms\n\t            if (this._type === Tone.CtrlPattern.Type.RandomOnce) {\n\t                this._shuffleValues();\n\t            } else if (this._type === Tone.CtrlPattern.Random) {\n\t                this.index = Math.floor(Math.random() * this.values.length);\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t *  Return the next value given the current position\n\t\t *  and pattern.\n\t\t *  @return {*} The next value\n\t\t */\n\t    Tone.CtrlPattern.prototype.next = function () {\n\t        var type = this.type;\n\t        //choose the next index\n\t        if (type === Tone.CtrlPattern.Type.Up) {\n\t            this.index++;\n\t            if (this.index >= this.values.length) {\n\t                this.index = 0;\n\t            }\n\t        } else if (type === Tone.CtrlPattern.Type.Down) {\n\t            this.index--;\n\t            if (this.index < 0) {\n\t                this.index = this.values.length - 1;\n\t            }\n\t        } else if (type === Tone.CtrlPattern.Type.UpDown || type === Tone.CtrlPattern.Type.DownUp) {\n\t            if (this._direction === Tone.CtrlPattern.Type.Up) {\n\t                this.index++;\n\t            } else {\n\t                this.index--;\n\t            }\n\t            if (this.index < 0) {\n\t                this.index = 1;\n\t                this._direction = Tone.CtrlPattern.Type.Up;\n\t            } else if (this.index >= this.values.length) {\n\t                this.index = this.values.length - 2;\n\t                this._direction = Tone.CtrlPattern.Type.Down;\n\t            }\n\t        } else if (type === Tone.CtrlPattern.Type.Random) {\n\t            this.index = Math.floor(Math.random() * this.values.length);\n\t        } else if (type === Tone.CtrlPattern.Type.RandomWalk) {\n\t            if (Math.random() < 0.5) {\n\t                this.index--;\n\t                this.index = Math.max(this.index, 0);\n\t            } else {\n\t                this.index++;\n\t                this.index = Math.min(this.index, this.values.length - 1);\n\t            }\n\t        } else if (type === Tone.CtrlPattern.Type.RandomOnce) {\n\t            this.index++;\n\t            if (this.index >= this.values.length) {\n\t                this.index = 0;\n\t                //reshuffle the values for next time\n\t                this._shuffleValues();\n\t            }\n\t        } else if (type === Tone.CtrlPattern.Type.AlternateUp) {\n\t            if (this._direction === Tone.CtrlPattern.Type.Up) {\n\t                this.index += 2;\n\t                this._direction = Tone.CtrlPattern.Type.Down;\n\t            } else {\n\t                this.index -= 1;\n\t                this._direction = Tone.CtrlPattern.Type.Up;\n\t            }\n\t            if (this.index >= this.values.length) {\n\t                this.index = 0;\n\t                this._direction = Tone.CtrlPattern.Type.Up;\n\t            }\n\t        } else if (type === Tone.CtrlPattern.Type.AlternateDown) {\n\t            if (this._direction === Tone.CtrlPattern.Type.Up) {\n\t                this.index += 1;\n\t                this._direction = Tone.CtrlPattern.Type.Down;\n\t            } else {\n\t                this.index -= 2;\n\t                this._direction = Tone.CtrlPattern.Type.Up;\n\t            }\n\t            if (this.index < 0) {\n\t                this.index = this.values.length - 1;\n\t                this._direction = Tone.CtrlPattern.Type.Down;\n\t            }\n\t        }\n\t        return this.value;\n\t    };\n\t    /**\n\t\t *  Shuffles the values and places the results into the _shuffled\n\t\t *  @private\n\t\t */\n\t    Tone.CtrlPattern.prototype._shuffleValues = function () {\n\t        var copy = [];\n\t        this._shuffled = [];\n\t        for (var i = 0; i < this.values.length; i++) {\n\t            copy[i] = i;\n\t        }\n\t        while (copy.length > 0) {\n\t            var randVal = copy.splice(Math.floor(copy.length * Math.random()), 1);\n\t            this._shuffled.push(randVal[0]);\n\t        }\n\t    };\n\t    /**\n\t\t *  Clean up\n\t\t *  @returns {Tone.CtrlPattern} this\n\t\t */\n\t    Tone.CtrlPattern.prototype.dispose = function () {\n\t        this._shuffled = null;\n\t        this.values = null;\n\t    };\n\t    return Tone.CtrlPattern;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  Choose a random value.\n\t\t *  @extends {Tone}\n\t\t *  @example\n\t\t * var randomWalk = new Tone.CtrlRandom({\n\t\t * \t\"min\" : 0,\n\t\t * \t\"max\" : 10,\n\t\t * \t\"integer\" : true\n\t\t * });\n\t\t * randomWalk.eval();\n\t\t *\n\t\t *  @param {Number|Time=} min The minimum return value.\n\t\t *  @param {Number|Time=} max The maximum return value.\n\t\t */\n\t    Tone.CtrlRandom = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'min',\n\t            'max'\n\t        ], Tone.CtrlRandom.defaults);\n\t        /**\n\t\t\t *  The minimum return value\n\t\t\t *  @type  {Number|Time}\n\t\t\t */\n\t        this.min = options.min;\n\t        /**\n\t\t\t *  The maximum return value\n\t\t\t *  @type  {Number|Time}\n\t\t\t */\n\t        this.max = options.max;\n\t        /**\n\t\t\t *  If the return value should be an integer\n\t\t\t *  @type  {Boolean}\n\t\t\t */\n\t        this.integer = options.integer;\n\t    };\n\t    Tone.extend(Tone.CtrlRandom);\n\t    /**\n\t\t *  The defaults\n\t\t *  @const\n\t\t *  @type  {Object}\n\t\t */\n\t    Tone.CtrlRandom.defaults = {\n\t        'min': 0,\n\t        'max': 1,\n\t        'integer': false\n\t    };\n\t    /**\n\t\t *  Return a random value between min and max. \n\t\t *  @readOnly\n\t\t *  @memberOf Tone.CtrlRandom#\n\t\t *  @type {*}\n\t\t *  @name value\n\t\t */\n\t    Object.defineProperty(Tone.CtrlRandom.prototype, 'value', {\n\t        get: function () {\n\t            var min = this.toSeconds(this.min);\n\t            var max = this.toSeconds(this.max);\n\t            var rand = Math.random();\n\t            var val = rand * min + (1 - rand) * max;\n\t            if (this.integer) {\n\t                val = Math.floor(val);\n\t            }\n\t            return val;\n\t        }\n\t    });\n\t    return Tone.CtrlRandom;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  AudioBuffer.copyToChannel polyfill\n\t\t *  @private\n\t\t */\n\t    if (window.AudioBuffer && !AudioBuffer.prototype.copyToChannel) {\n\t        AudioBuffer.prototype.copyToChannel = function (src, chanNum, start) {\n\t            var channel = this.getChannelData(chanNum);\n\t            start = start || 0;\n\t            for (var i = 0; i < channel.length; i++) {\n\t                channel[i + start] = src[i];\n\t            }\n\t        };\n\t        AudioBuffer.prototype.copyFromChannel = function (dest, chanNum, start) {\n\t            var channel = this.getChannelData(chanNum);\n\t            start = start || 0;\n\t            for (var i = 0; i < channel.length; i++) {\n\t                dest[i] = channel[i + start];\n\t            }\n\t        };\n\t    }\n\t    /**\n\t\t *  @class  Buffer loading and storage. Tone.Buffer is used internally by all \n\t\t *          classes that make requests for audio files such as Tone.Player,\n\t\t *          Tone.Sampler and Tone.Convolver.\n\t\t *          <br><br>\n\t\t *          Aside from load callbacks from individual buffers, Tone.Buffer \n\t\t *  \t\tprovides static methods which keep track of the loading progress \n\t\t *  \t\tof all of the buffers. These methods are Tone.Buffer.on(\"load\" / \"progress\" / \"error\")\n\t\t *\n\t\t *  @constructor \n\t\t *  @extends {Tone}\n\t\t *  @param {AudioBuffer|string} url The url to load, or the audio buffer to set. \n\t\t *  @param {Function=} onload A callback which is invoked after the buffer is loaded. \n\t\t *                            It's recommended to use Tone.Buffer.onload instead \n\t\t *                            since it will give you a callback when ALL buffers are loaded.\n\t\t *  @param {Function=} onerror The callback to invoke if there is an error\n\t\t *  @example\n\t\t * var buffer = new Tone.Buffer(\"path/to/sound.mp3\", function(){\n\t\t * \t//the buffer is now available.\n\t\t * \tvar buff = buffer.get();\n\t\t * });\n\t\t */\n\t    Tone.Buffer = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'url',\n\t            'onload',\n\t            'onerror'\n\t        ], Tone.Buffer.defaults);\n\t        /**\n\t\t\t *  stores the loaded AudioBuffer\n\t\t\t *  @type {AudioBuffer}\n\t\t\t *  @private\n\t\t\t */\n\t        this._buffer = null;\n\t        /**\n\t\t\t *  indicates if the buffer should be reversed or not\n\t\t\t *  @type {Boolean}\n\t\t\t *  @private\n\t\t\t */\n\t        this._reversed = options.reverse;\n\t        /**\n\t\t\t *  The XHR\n\t\t\t *  @type  {XMLHttpRequest}\n\t\t\t *  @private\n\t\t\t */\n\t        this._xhr = null;\n\t        if (options.url instanceof AudioBuffer || options.url instanceof Tone.Buffer) {\n\t            this.set(options.url);\n\t            // invoke the onload callback\n\t            if (options.onload) {\n\t                options.onload(this);\n\t            }\n\t        } else if (this.isString(options.url)) {\n\t            this.load(options.url, options.onload, options.onerror);\n\t        }\n\t    };\n\t    Tone.extend(Tone.Buffer);\n\t    /**\n\t\t *  the default parameters\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.Buffer.defaults = {\n\t        'url': undefined,\n\t        'reverse': false\n\t    };\n\t    /**\n\t\t *  Pass in an AudioBuffer or Tone.Buffer to set the value\n\t\t *  of this buffer.\n\t\t *  @param {AudioBuffer|Tone.Buffer} buffer the buffer\n\t\t *  @returns {Tone.Buffer} this\n\t\t */\n\t    Tone.Buffer.prototype.set = function (buffer) {\n\t        if (buffer instanceof Tone.Buffer) {\n\t            this._buffer = buffer.get();\n\t        } else {\n\t            this._buffer = buffer;\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  @return {AudioBuffer} The audio buffer stored in the object.\n\t\t */\n\t    Tone.Buffer.prototype.get = function () {\n\t        return this._buffer;\n\t    };\n\t    /**\n\t\t *  Makes an xhr reqest for the selected url then decodes\n\t\t *  the file as an audio buffer. Invokes\n\t\t *  the callback once the audio buffer loads.\n\t\t *  @param {String} url The url of the buffer to load.\n\t\t *                      filetype support depends on the\n\t\t *                      browser.\n\t\t *  @returns {Promise} returns a Promise which resolves with the Tone.Buffer\n\t\t */\n\t    Tone.Buffer.prototype.load = function (url, onload, onerror) {\n\t        var promise = new Promise(function (load, error) {\n\t            this._xhr = Tone.Buffer.load(url, //success\n\t            function (buff) {\n\t                this._xhr = null;\n\t                this.set(buff);\n\t                load(this);\n\t                if (onload) {\n\t                    onload(this);\n\t                }\n\t            }.bind(this), //error\n\t            function (err) {\n\t                this._xhr = null;\n\t                error(err);\n\t                if (onerror) {\n\t                    onerror(err);\n\t                }\n\t            }.bind(this));\n\t        }.bind(this));\n\t        return promise;\n\t    };\n\t    /**\n\t\t *  dispose and disconnect\n\t\t *  @returns {Tone.Buffer} this\n\t\t */\n\t    Tone.Buffer.prototype.dispose = function () {\n\t        Tone.Emitter.prototype.dispose.call(this);\n\t        this._buffer = null;\n\t        if (this._xhr) {\n\t            Tone.Buffer._currentDownloads--;\n\t            this._xhr.abort();\n\t            this._xhr = null;\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t * If the buffer is loaded or not\n\t\t * @memberOf Tone.Buffer#\n\t\t * @type {Boolean}\n\t\t * @name loaded\n\t\t * @readOnly\n\t\t */\n\t    Object.defineProperty(Tone.Buffer.prototype, 'loaded', {\n\t        get: function () {\n\t            return this.length > 0;\n\t        }\n\t    });\n\t    /**\n\t\t * The duration of the buffer. \n\t\t * @memberOf Tone.Buffer#\n\t\t * @type {Number}\n\t\t * @name duration\n\t\t * @readOnly\n\t\t */\n\t    Object.defineProperty(Tone.Buffer.prototype, 'duration', {\n\t        get: function () {\n\t            if (this._buffer) {\n\t                return this._buffer.duration;\n\t            } else {\n\t                return 0;\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t * The length of the buffer in samples\n\t\t * @memberOf Tone.Buffer#\n\t\t * @type {Number}\n\t\t * @name length\n\t\t * @readOnly\n\t\t */\n\t    Object.defineProperty(Tone.Buffer.prototype, 'length', {\n\t        get: function () {\n\t            if (this._buffer) {\n\t                return this._buffer.length;\n\t            } else {\n\t                return 0;\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t * The number of discrete audio channels. Returns 0 if no buffer\n\t\t * is loaded.\n\t\t * @memberOf Tone.Buffer#\n\t\t * @type {Number}\n\t\t * @name numberOfChannels\n\t\t * @readOnly\n\t\t */\n\t    Object.defineProperty(Tone.Buffer.prototype, 'numberOfChannels', {\n\t        get: function () {\n\t            if (this._buffer) {\n\t                return this._buffer.numberOfChannels;\n\t            } else {\n\t                return 0;\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t *  Set the audio buffer from the array\n\t\t *  @param {Float32Array} array The array to fill the audio buffer\n\t\t *  @param {Number} [channels=1] The number of channels contained in the array. \n\t\t *                               If the channel is more than 1, the input array\n\t\t *                               is expected to be a multidimensional array\n\t\t *                               with dimensions equal to the number of channels.\n\t\t *  @return {Tone.Buffer} this\n\t\t */\n\t    Tone.Buffer.prototype.fromArray = function (array) {\n\t        var isMultidimensional = array[0].length > 0;\n\t        var channels = isMultidimensional ? array.length : 1;\n\t        var len = isMultidimensional ? array[0].length : array.length;\n\t        var buffer = this.context.createBuffer(channels, len, this.context.sampleRate);\n\t        if (!isMultidimensional && channels === 1) {\n\t            array = [array];\n\t        }\n\t        for (var c = 0; c < channels; c++) {\n\t            buffer.copyToChannel(array[c], c);\n\t        }\n\t        this._buffer = buffer;\n\t        return this;\n\t    };\n\t    /**\n\t\t * \tSums muliple channels into 1 channel\n\t\t *  @param {Number=} channel Optionally only copy a single channel from the array.\n\t\t *  @return {Array}\n\t\t */\n\t    Tone.Buffer.prototype.toMono = function (chanNum) {\n\t        if (this.isNumber(chanNum)) {\n\t            this.fromArray(this.toArray(chanNum));\n\t        } else {\n\t            var outputArray = new Float32Array(this.length);\n\t            var numChannels = this.numberOfChannels;\n\t            for (var channel = 0; channel < numChannels; channel++) {\n\t                var channelArray = this.toArray(channel);\n\t                for (var i = 0; i < channelArray.length; i++) {\n\t                    outputArray[i] += channelArray[i];\n\t                }\n\t            }\n\t            //divide by the number of channels\n\t            outputArray = outputArray.map(function (sample) {\n\t                return sample / numChannels;\n\t            });\n\t            this.fromArray(outputArray);\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t * \tGet the buffer as an array. Single channel buffers will return a 1-dimensional \n\t\t * \tFloat32Array, and multichannel buffers will return multidimensional arrays.\n\t\t *  @param {Number=} channel Optionally only copy a single channel from the array.\n\t\t *  @return {Array}\n\t\t */\n\t    Tone.Buffer.prototype.toArray = function (channel) {\n\t        if (this.isNumber(channel)) {\n\t            return this.getChannelData(channel);\n\t        } else if (this.numberOfChannels === 1) {\n\t            return this.toArray(0);\n\t        } else {\n\t            var ret = [];\n\t            for (var c = 0; c < this.numberOfChannels; c++) {\n\t                ret[c] = this.getChannelData(c);\n\t            }\n\t            return ret;\n\t        }\n\t    };\n\t    /**\n\t\t *  Returns the Float32Array representing the PCM audio data for the specific channel.\n\t\t *  @param  {Number}  channel  The channel number to return\n\t\t *  @return  {Float32Array}  The audio as a TypedArray\n\t\t */\n\t    Tone.Buffer.prototype.getChannelData = function (channel) {\n\t        return this._buffer.getChannelData(channel);\n\t    };\n\t    /**\n\t\t *  Cut a subsection of the array and return a buffer of the\n\t\t *  subsection. Does not modify the original buffer\n\t\t *  @param {Time} start The time to start the slice\n\t\t *  @param {Time=} end The end time to slice. If none is given\n\t\t *                     will default to the end of the buffer\n\t\t *  @return {Tone.Buffer} this\n\t\t */\n\t    Tone.Buffer.prototype.slice = function (start, end) {\n\t        end = this.defaultArg(end, this.duration);\n\t        var startSamples = Math.floor(this.context.sampleRate * this.toSeconds(start));\n\t        var endSamples = Math.floor(this.context.sampleRate * this.toSeconds(end));\n\t        var replacement = [];\n\t        for (var i = 0; i < this.numberOfChannels; i++) {\n\t            replacement[i] = this.toArray(i).slice(startSamples, endSamples);\n\t        }\n\t        var retBuffer = new Tone.Buffer().fromArray(replacement);\n\t        return retBuffer;\n\t    };\n\t    /**\n\t\t *  Reverse the buffer.\n\t\t *  @private\n\t\t *  @return {Tone.Buffer} this\n\t\t */\n\t    Tone.Buffer.prototype._reverse = function () {\n\t        if (this.loaded) {\n\t            for (var i = 0; i < this.numberOfChannels; i++) {\n\t                Array.prototype.reverse.call(this.getChannelData(i));\n\t            }\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t * Reverse the buffer.\n\t\t * @memberOf Tone.Buffer#\n\t\t * @type {Boolean}\n\t\t * @name reverse\n\t\t */\n\t    Object.defineProperty(Tone.Buffer.prototype, 'reverse', {\n\t        get: function () {\n\t            return this._reversed;\n\t        },\n\t        set: function (rev) {\n\t            if (this._reversed !== rev) {\n\t                this._reversed = rev;\n\t                this._reverse();\n\t            }\n\t        }\n\t    });\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    // STATIC METHODS\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    //statically inherits Emitter methods\n\t    Tone.Emitter.mixin(Tone.Buffer);\n\t    /**\n\t\t *  the static queue for all of the xhr requests\n\t\t *  @type {Array}\n\t\t *  @private\n\t\t */\n\t    Tone.Buffer._downloadQueue = [];\n\t    /**\n\t\t *  the total number of downloads\n\t\t *  @type {Number}\n\t\t *  @private\n\t\t */\n\t    Tone.Buffer._currentDownloads = 0;\n\t    /**\n\t\t *  A path which is prefixed before every url.\n\t\t *  @type  {String}\n\t\t *  @static\n\t\t */\n\t    Tone.Buffer.baseUrl = '';\n\t    /**\n\t\t *  Loads a url using XMLHttpRequest.\n\t\t *  @param {String} url\n\t\t *  @param {Function} onload\n\t\t *  @param {Function} onerror\n\t\t *  @param {Function} onprogress\n\t\t *  @return {XMLHttpRequest}\n\t\t */\n\t    Tone.Buffer.load = function (url, onload, onerror) {\n\t        //default\n\t        onload = onload || Tone.noOp;\n\t        function onError(e) {\n\t            if (onerror) {\n\t                onerror(e);\n\t                Tone.Buffer.emit('error', e);\n\t            } else {\n\t                throw new Error(e);\n\t            }\n\t        }\n\t        function onProgress() {\n\t            //calculate the progress\n\t            var totalProgress = 0;\n\t            for (var i = 0; i < Tone.Buffer._downloadQueue.length; i++) {\n\t                totalProgress += Tone.Buffer._downloadQueue[i].progress;\n\t            }\n\t            Tone.Buffer.emit('progress', totalProgress / Tone.Buffer._downloadQueue.length);\n\t        }\n\t        var request = new XMLHttpRequest();\n\t        request.open('GET', Tone.Buffer.baseUrl + url, true);\n\t        request.responseType = 'arraybuffer';\n\t        //start out as 0\n\t        request.progress = 0;\n\t        Tone.Buffer._currentDownloads++;\n\t        Tone.Buffer._downloadQueue.push(request);\n\t        request.addEventListener('load', function () {\n\t            if (request.status === 200) {\n\t                Tone.context.decodeAudioData(request.response, function (buff) {\n\t                    request.progress = 1;\n\t                    onProgress();\n\t                    onload(buff);\n\t                    Tone.Buffer._currentDownloads--;\n\t                    if (Tone.Buffer._currentDownloads === 0) {\n\t                        // clear the downloads\n\t                        Tone.Buffer._downloadQueue = [];\n\t                        //emit the event at the end\n\t                        Tone.Buffer.emit('load');\n\t                    }\n\t                }, function () {\n\t                    onError('Tone.Buffer: could not decode audio data: ' + url);\n\t                });\n\t            } else {\n\t                onError('Tone.Buffer: could not locate file: ' + url);\n\t            }\n\t        });\n\t        request.addEventListener('error', onError);\n\t        request.addEventListener('progress', function (event) {\n\t            if (event.lengthComputable) {\n\t                //only go to 95%, the last 5% is when the audio is decoded\n\t                request.progress = event.loaded / event.total * 0.95;\n\t                onProgress();\n\t            }\n\t        });\n\t        request.send();\n\t        return request;\n\t    };\n\t    /**\n\t\t *  Stop all of the downloads in progress\n\t\t *  @return {Tone.Buffer}\n\t\t *  @static\n\t\t */\n\t    Tone.Buffer.cancelDownloads = function () {\n\t        Tone.Buffer._downloadQueue.forEach(function (request) {\n\t            request.abort();\n\t        });\n\t        Tone.Buffer._currentDownloads = 0;\n\t        return Tone.Buffer;\n\t    };\n\t    /**\n\t\t *  Checks a url's extension to see if the current browser can play that file type.\n\t\t *  @param {String} url The url/extension to test\n\t\t *  @return {Boolean} If the file extension can be played\n\t\t *  @static\n\t\t *  @example\n\t\t * Tone.Buffer.supportsType(\"wav\"); //returns true\n\t\t * Tone.Buffer.supportsType(\"path/to/file.wav\"); //returns true\n\t\t */\n\t    Tone.Buffer.supportsType = function (url) {\n\t        var extension = url.split('.');\n\t        extension = extension[extension.length - 1];\n\t        var response = document.createElement('audio').canPlayType('audio/' + extension);\n\t        return response !== '';\n\t    };\n\t    /**\n\t\t *  Returns a Promise which resolves when all of the buffers have loaded\n\t\t *  @return {Promise}\n\t\t */\n\t    Tone.loaded = function () {\n\t        var onload, onerror;\n\t        function removeEvents() {\n\t            //remove the events when it's resolved\n\t            Tone.Buffer.off('load', onload);\n\t            Tone.Buffer.off('error', onerror);\n\t        }\n\t        return new Promise(function (success, fail) {\n\t            onload = function () {\n\t                success();\n\t            };\n\t            onerror = function () {\n\t                fail();\n\t            };\n\t            //add the event listeners\n\t            Tone.Buffer.on('load', onload);\n\t            Tone.Buffer.on('error', onerror);\n\t        }).then(removeEvents).catch(function (e) {\n\t            removeEvents();\n\t            throw new Error(e);\n\t        });\n\t    };\n\t    return Tone.Buffer;\n\t});\n\tModule(function (Tone) {\n\t    /**\n\t\t *  @class A data structure for holding multiple buffers.\n\t\t *  \n\t\t *  @param  {Object|Array}    urls      An object literal or array\n\t\t *                                      of urls to load.\n\t\t *  @param  {Function=}  callback  The callback to invoke when\n\t\t *                                 the buffers are loaded. \n\t\t *  @extends {Tone}\n\t\t *  @example\n\t\t * //load a whole bank of piano samples\n\t\t * var pianoSamples = new Tone.Buffers({\n\t\t * \t\"C4\" : \"path/to/C4.mp3\"\n\t\t * \t\"C#4\" : \"path/to/C#4.mp3\"\n\t\t * \t\"D4\" : \"path/to/D4.mp3\"\n\t\t * \t\"D#4\" : \"path/to/D#4.mp3\"\n\t\t * \t...\n\t\t * }, function(){\n\t\t * \t//play one of the samples when they all load\n\t\t * \tplayer.buffer = pianoSamples.get(\"C4\");\n\t\t * \tplayer.start();\n\t\t * });\n\t\t * \n\t\t */\n\t    Tone.Buffers = function (urls, onload, baseUrl) {\n\t        /**\n\t\t\t *  All of the buffers\n\t\t\t *  @type  {Object}\n\t\t\t *  @private\n\t\t\t */\n\t        this._buffers = {};\n\t        /**\n\t\t\t *  A path which is prefixed before every url.\n\t\t\t *  @type  {String}\n\t\t\t */\n\t        this.baseUrl = this.defaultArg(baseUrl, '');\n\t        urls = this._flattenUrls(urls);\n\t        this._loadingCount = 0;\n\t        //add each one\n\t        for (var key in urls) {\n\t            this._loadingCount++;\n\t            this.add(key, urls[key], this._bufferLoaded.bind(this, onload));\n\t        }\n\t    };\n\t    Tone.extend(Tone.Buffers);\n\t    /**\n\t\t *  True if the buffers object has a buffer by that name.\n\t\t *  @param  {String|Number}  name  The key or index of the \n\t\t *                                 buffer.\n\t\t *  @return  {Boolean}\n\t\t */\n\t    Tone.Buffers.prototype.has = function (name) {\n\t        return this._buffers.hasOwnProperty(name);\n\t    };\n\t    /**\n\t\t *  Get a buffer by name. If an array was loaded, \n\t\t *  then use the array index.\n\t\t *  @param  {String|Number}  name  The key or index of the \n\t\t *                                 buffer.\n\t\t *  @return  {Tone.Buffer}\n\t\t */\n\t    Tone.Buffers.prototype.get = function (name) {\n\t        if (this.has(name)) {\n\t            return this._buffers[name];\n\t        } else {\n\t            throw new Error('Tone.Buffers: no buffer named ' + name);\n\t        }\n\t    };\n\t    /**\n\t\t *  A buffer was loaded. decrement the counter.\n\t\t *  @param  {Function}  callback \n\t\t *  @private\n\t\t */\n\t    Tone.Buffers.prototype._bufferLoaded = function (callback) {\n\t        this._loadingCount--;\n\t        if (this._loadingCount === 0 && callback) {\n\t            callback(this);\n\t        }\n\t    };\n\t    /**\n\t\t * If the buffers are loaded or not\n\t\t * @memberOf Tone.Buffers#\n\t\t * @type {Boolean}\n\t\t * @name loaded\n\t\t * @readOnly\n\t\t */\n\t    Object.defineProperty(Tone.Buffers.prototype, 'loaded', {\n\t        get: function () {\n\t            var isLoaded = true;\n\t            for (var buffName in this._buffers) {\n\t                var buff = this.get(buffName);\n\t                isLoaded = isLoaded && buff.loaded;\n\t            }\n\t            return isLoaded;\n\t        }\n\t    });\n\t    /**\n\t\t *  Add a buffer by name and url to the Buffers\n\t\t *  @param  {String}    name      A unique name to give\n\t\t *                                the buffer\n\t\t *  @param  {String|Tone.Buffer|Audiobuffer}  url  Either the url of the bufer, \n\t\t *                                                 or a buffer which will be added\n\t\t *                                                 with the given name.\n\t\t *  @param  {Function=}  callback  The callback to invoke \n\t\t *                                 when the url is loaded.\n\t\t */\n\t    Tone.Buffers.prototype.add = function (name, url, callback) {\n\t        callback = this.defaultArg(callback, Tone.noOp);\n\t        if (url instanceof Tone.Buffer) {\n\t            this._buffers[name] = url;\n\t            callback(this);\n\t        } else if (url instanceof AudioBuffer) {\n\t            this._buffers[name] = new Tone.Buffer(url);\n\t            callback(this);\n\t        } else if (this.isString(url)) {\n\t            this._buffers[name] = new Tone.Buffer(this.baseUrl + url, callback);\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Flatten an object into a single depth object. \n\t\t *  thanks to https://gist.github.com/penguinboy/762197\n\t\t *  @param   {Object} ob \t\n\t\t *  @return  {Object}    \n\t\t *  @private\n\t\t */\n\t    Tone.Buffers.prototype._flattenUrls = function (ob) {\n\t        var toReturn = {};\n\t        for (var i in ob) {\n\t            if (!ob.hasOwnProperty(i))\n\t                continue;\n\t            if (this.isObject(ob[i])) {\n\t                var flatObject = this._flattenUrls(ob[i]);\n\t                for (var x in flatObject) {\n\t                    if (!flatObject.hasOwnProperty(x))\n\t                        continue;\n\t                    toReturn[i + '.' + x] = flatObject[x];\n\t                }\n\t            } else {\n\t                toReturn[i] = ob[i];\n\t            }\n\t        }\n\t        return toReturn;\n\t    };\n\t    /**\n\t\t *  Clean up.\n\t\t *  @return  {Tone.Buffers} this\n\t\t */\n\t    Tone.Buffers.prototype.dispose = function () {\n\t        for (var name in this._buffers) {\n\t            this._buffers[name].dispose();\n\t        }\n\t        this._buffers = null;\n\t        return this;\n\t    };\n\t    return Tone.Buffers;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  buses are another way of routing audio\n\t\t *\n\t\t *  augments Tone.prototype to include send and recieve\n\t\t */\n\t    /**\n\t\t  *  All of the routes\n\t\t  *  \n\t\t  *  @type {Object}\n\t\t  *  @static\n\t\t  *  @private\n\t\t  */\n\t    var Buses = {};\n\t    /**\n\t\t *  Send this signal to the channel name. \n\t\t *  @param  {string} channelName A named channel to send the signal to.\n\t\t *  @param  {Decibels} amount The amount of the source to send to the bus. \n\t\t *  @return {GainNode} The gain node which connects this node to the desired channel. \n\t\t *                     Can be used to adjust the levels of the send.\n\t\t *  @example\n\t\t * source.send(\"reverb\", -12);\n\t\t */\n\t    Tone.prototype.send = function (channelName, amount) {\n\t        if (!Buses.hasOwnProperty(channelName)) {\n\t            Buses[channelName] = this.context.createGain();\n\t        }\n\t        amount = this.defaultArg(amount, 0);\n\t        var sendKnob = new Tone.Gain(amount, Tone.Type.Decibels);\n\t        this.output.chain(sendKnob, Buses[channelName]);\n\t        return sendKnob;\n\t    };\n\t    /**\n\t\t *  Recieve the input from the desired channelName to the input\n\t\t *\n\t\t *  @param  {string} channelName A named channel to send the signal to.\n\t\t *  @param {AudioNode} [input] If no input is selected, the\n\t\t *                                         input of the current node is\n\t\t *                                         chosen. \n\t\t *  @returns {Tone} this\n\t\t *  @example\n\t\t * reverbEffect.receive(\"reverb\");\n\t\t */\n\t    Tone.prototype.receive = function (channelName, input) {\n\t        if (!Buses.hasOwnProperty(channelName)) {\n\t            Buses[channelName] = this.context.createGain();\n\t        }\n\t        if (this.isUndef(input)) {\n\t            input = this.input;\n\t        }\n\t        Buses[channelName].connect(input);\n\t        return this;\n\t    };\n\t    //remove all the send/receives when a new audio context is passed in\n\t    Tone.Context.on('init', function (context) {\n\t        if (context.Buses) {\n\t            Buses = context.Buses;\n\t        } else {\n\t            Buses = {};\n\t            context.Buses = Buses;\n\t        }\n\t    });\n\t    return Tone;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Tone.Draw is useful for synchronizing visuals and audio events.\n\t\t *         Callbacks from Tone.Transport or any of the Tone.Event classes\n\t\t *         always happen _before_ the scheduled time and are not synchronized\n\t\t *         to the animation frame so they are not good for triggering tightly\n\t\t *         synchronized visuals and sound. Tone.Draw makes it easy to schedule\n\t\t *         callbacks using the AudioContext time and uses requestAnimationFrame.\n\t\t *         \n\t\t *  @singleton\n\t\t *  @extends {Tone}\n\t\t *  @example\n\t\t * Tone.Transport.schedule(function(time){\n\t\t * \t//use the time argument to schedule a callback with Tone.Draw\n\t\t * \tTone.Draw.schedule(function(){\n\t\t * \t\t//do drawing or DOM manipulation here\n\t\t * \t}, time)\n\t\t * }, \"+0.5\")\n\t\t */\n\t    Tone.Draw = function () {\n\t        /**\n\t\t\t *  All of the events.\n\t\t\t *  @type  {Tone.Timeline}\n\t\t\t *  @private\n\t\t\t */\n\t        this._events = new Tone.Timeline();\n\t        /**\n\t\t\t *  The duration after which events are not invoked.\n\t\t\t *  @type  {Number}\n\t\t\t *  @default 0.25\n\t\t\t */\n\t        this.expiration = 0.25;\n\t        /**\n\t\t\t *  The amount of time before the scheduled time \n\t\t\t *  that the callback can be invoked. Default is\n\t\t\t *  half the time of an animation frame (0.008 seconds).\n\t\t\t *  @type  {Number}\n\t\t\t *  @default 0.008\n\t\t\t */\n\t        this.anticipation = 0.008;\n\t        /**\n\t\t\t *  The draw loop\n\t\t\t *  @type  {Function}\n\t\t\t *  @private\n\t\t\t */\n\t        this._boundDrawLoop = this._drawLoop.bind(this);\n\t    };\n\t    Tone.extend(Tone.Draw);\n\t    /**\n\t\t *  Schedule a function at the given time to be invoked\n\t\t *  on the nearest animation frame.\n\t\t *  @param  {Function}  callback  Callback is invoked at the given time.\n\t\t *  @param  {Time}    time      The time relative to the AudioContext time\n\t\t *                              to invoke the callback.\n\t\t *  @return  {Tone.Draw}    this\n\t\t */\n\t    Tone.Draw.prototype.schedule = function (callback, time) {\n\t        this._events.add({\n\t            callback: callback,\n\t            time: this.toSeconds(time)\n\t        });\n\t        //start the draw loop on the first event\n\t        if (this._events.length === 1) {\n\t            requestAnimationFrame(this._boundDrawLoop);\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Cancel events scheduled after the given time\n\t\t *  @param  {Time=}  after  Time after which scheduled events will \n\t\t *                          be removed from the scheduling timeline.\n\t\t *  @return  {Tone.Draw}  this\n\t\t */\n\t    Tone.Draw.prototype.cancel = function (after) {\n\t        this._events.cancel(this.toSeconds(after));\n\t        return this;\n\t    };\n\t    /**\n\t\t *  The draw loop\n\t\t *  @private\n\t\t */\n\t    Tone.Draw.prototype._drawLoop = function () {\n\t        var now = Tone.now();\n\t        while (this._events.length && this._events.peek().time - this.anticipation <= now) {\n\t            var event = this._events.shift();\n\t            if (now - event.time <= this.expiration) {\n\t                event.callback();\n\t            }\n\t        }\n\t        if (this._events.length > 0) {\n\t            requestAnimationFrame(this._boundDrawLoop);\n\t        }\n\t    };\n\t    //make a singleton\n\t    Tone.Draw = new Tone.Draw();\n\t    return Tone.Draw;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  Both Tone.Panner3D and Tone.Listener have a position in 3D space \n\t\t *          using a right-handed cartesian coordinate system. \n\t\t *          The units used in the coordinate system are not defined; \n\t\t *          these coordinates are independent/invariant of any particular \n\t\t *          units such as meters or feet. Tone.Panner3D objects have an forward \n\t\t *          vector representing the direction the sound is projecting. Additionally, \n\t\t *          they have a sound cone representing how directional the sound is. \n\t\t *          For example, the sound could be omnidirectional, in which case it would \n\t\t *          be heard anywhere regardless of its forward, or it can be more directional \n\t\t *          and heard only if it is facing the listener. Tone.Listener objects \n\t\t *          (representing a person's ears) have an forward and up vector \n\t\t *          representing in which direction the person is facing. Because both the \n\t\t *          source stream and the listener can be moving, they both have a velocity \n\t\t *          vector representing both the speed and direction of movement. Taken together, \n\t\t *          these two velocities can be used to generate a doppler shift effect which changes the pitch.\n\t\t *          <br><br>\n\t\t *          Note: the position of the Listener will have no effect on nodes not connected to a Tone.Panner3D\n\t\t *  \n\t\t *  @constructor\n\t\t *  @extends {Tone}\n\t\t *  @singleton\n\t\t *  @param {Number} positionX The initial x position.\n\t\t *  @param {Number} positionY The initial y position.\n\t\t *  @param {Number} positionZ The initial z position.\n\t\t */\n\t    Tone.Listener = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'positionX',\n\t            'positionY',\n\t            'positionZ'\n\t        ], ListenerConstructor.defaults);\n\t        /**\n\t\t\t *  Holds the current forward orientation\n\t\t\t *  @type  {Array}\n\t\t\t *  @private\n\t\t\t */\n\t        this._orientation = [\n\t            options.forwardX,\n\t            options.forwardY,\n\t            options.forwardZ,\n\t            options.upX,\n\t            options.upY,\n\t            options.upZ\n\t        ];\n\t        /**\n\t\t\t *  Holds the current position\n\t\t\t *  @type  {Array}\n\t\t\t *  @private\n\t\t\t */\n\t        this._position = [\n\t            options.positionX,\n\t            options.positionY,\n\t            options.positionZ\n\t        ];\n\t        // set the default position/forward\n\t        this.forwardX = options.forwardX;\n\t        this.forwardY = options.forwardY;\n\t        this.forwardZ = options.forwardZ;\n\t        this.upX = options.upX;\n\t        this.upY = options.upY;\n\t        this.upZ = options.upZ;\n\t        this.positionX = options.positionX;\n\t        this.positionY = options.positionY;\n\t        this.positionZ = options.positionZ;\n\t    };\n\t    Tone.extend(Tone.Listener);\n\t    /**\n\t\t *  the default parameters\n\t\t *  @static\n\t\t *  @const\n\t\t *  @type {Object}\n\t\t *  Defaults according to the specification\n\t\t */\n\t    Tone.Listener.defaults = {\n\t        'positionX': 0,\n\t        'positionY': 0,\n\t        'positionZ': 0,\n\t        'forwardX': 0,\n\t        'forwardY': 0,\n\t        'forwardZ': 1,\n\t        'upX': 0,\n\t        'upY': 1,\n\t        'upZ': 0\n\t    };\n\t    /**\n\t\t * The ramp time which is applied to the setTargetAtTime\n\t\t * @type {Number}\n\t\t * @private\n\t\t */\n\t    Tone.Listener.prototype._rampTimeConstant = 0.01;\n\t    /**\n\t\t *  Sets the position of the listener in 3d space.\t\n\t\t *  @param  {Number}  x\n\t\t *  @param  {Number}  y\n\t\t *  @param  {Number}  z\n\t\t *  @return {Tone.Listener} this\n\t\t */\n\t    Tone.Listener.prototype.setPosition = function (x, y, z) {\n\t        if (this.context.listener.positionX) {\n\t            var now = this.now();\n\t            this.context.listener.positionX.setTargetAtTime(x, now, this._rampTimeConstant);\n\t            this.context.listener.positionY.setTargetAtTime(y, now, this._rampTimeConstant);\n\t            this.context.listener.positionZ.setTargetAtTime(z, now, this._rampTimeConstant);\n\t        } else {\n\t            this.context.listener.setPosition(x, y, z);\n\t        }\n\t        this._position = Array.prototype.slice.call(arguments);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Sets the orientation of the listener using two vectors, the forward\n\t\t *  vector (which direction the listener is facing) and the up vector \n\t\t *  (which the up direction of the listener). An up vector\n\t\t *  of 0, 0, 1 is equivalent to the listener standing up in the Z direction. \n\t\t *  @param  {Number}  x\n\t\t *  @param  {Number}  y\n\t\t *  @param  {Number}  z\n\t\t *  @param  {Number}  upX\n\t\t *  @param  {Number}  upY\n\t\t *  @param  {Number}  upZ\n\t\t *  @return {Tone.Listener} this\n\t\t */\n\t    Tone.Listener.prototype.setOrientation = function (x, y, z, upX, upY, upZ) {\n\t        if (this.context.listener.forwardX) {\n\t            var now = this.now();\n\t            this.context.listener.forwardX.setTargetAtTime(x, now, this._rampTimeConstant);\n\t            this.context.listener.forwardY.setTargetAtTime(y, now, this._rampTimeConstant);\n\t            this.context.listener.forwardZ.setTargetAtTime(z, now, this._rampTimeConstant);\n\t            this.context.listener.upX.setTargetAtTime(upX, now, this._rampTimeConstant);\n\t            this.context.listener.upY.setTargetAtTime(upY, now, this._rampTimeConstant);\n\t            this.context.listener.upZ.setTargetAtTime(upZ, now, this._rampTimeConstant);\n\t        } else {\n\t            this.context.listener.setOrientation(x, y, z, upX, upY, upZ);\n\t        }\n\t        this._orientation = Array.prototype.slice.call(arguments);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  The x position of the panner object.\n\t\t *  @type {Number}\n\t\t *  @memberOf Tone.Listener#\n\t\t *  @name positionX\n\t\t */\n\t    Object.defineProperty(Tone.Listener.prototype, 'positionX', {\n\t        set: function (pos) {\n\t            this._position[0] = pos;\n\t            this.setPosition.apply(this, this._position);\n\t        },\n\t        get: function () {\n\t            return this._position[0];\n\t        }\n\t    });\n\t    /**\n\t\t *  The y position of the panner object.\n\t\t *  @type {Number}\n\t\t *  @memberOf Tone.Listener#\n\t\t *  @name positionY\n\t\t */\n\t    Object.defineProperty(Tone.Listener.prototype, 'positionY', {\n\t        set: function (pos) {\n\t            this._position[1] = pos;\n\t            this.setPosition.apply(this, this._position);\n\t        },\n\t        get: function () {\n\t            return this._position[1];\n\t        }\n\t    });\n\t    /**\n\t\t *  The z position of the panner object.\n\t\t *  @type {Number}\n\t\t *  @memberOf Tone.Listener#\n\t\t *  @name positionZ\n\t\t */\n\t    Object.defineProperty(Tone.Listener.prototype, 'positionZ', {\n\t        set: function (pos) {\n\t            this._position[2] = pos;\n\t            this.setPosition.apply(this, this._position);\n\t        },\n\t        get: function () {\n\t            return this._position[2];\n\t        }\n\t    });\n\t    /**\n\t\t *  The x coordinate of the listeners front direction. i.e. \n\t\t *  which way they are facing.\n\t\t *  @type {Number}\n\t\t *  @memberOf Tone.Listener#\n\t\t *  @name forwardX\n\t\t */\n\t    Object.defineProperty(Tone.Listener.prototype, 'forwardX', {\n\t        set: function (pos) {\n\t            this._orientation[0] = pos;\n\t            this.setOrientation.apply(this, this._orientation);\n\t        },\n\t        get: function () {\n\t            return this._orientation[0];\n\t        }\n\t    });\n\t    /**\n\t\t *  The y coordinate of the listeners front direction. i.e. \n\t\t *  which way they are facing.\n\t\t *  @type {Number}\n\t\t *  @memberOf Tone.Listener#\n\t\t *  @name forwardY\n\t\t */\n\t    Object.defineProperty(Tone.Listener.prototype, 'forwardY', {\n\t        set: function (pos) {\n\t            this._orientation[1] = pos;\n\t            this.setOrientation.apply(this, this._orientation);\n\t        },\n\t        get: function () {\n\t            return this._orientation[1];\n\t        }\n\t    });\n\t    /**\n\t\t *  The z coordinate of the listeners front direction. i.e. \n\t\t *  which way they are facing.\n\t\t *  @type {Number}\n\t\t *  @memberOf Tone.Listener#\n\t\t *  @name forwardZ\n\t\t */\n\t    Object.defineProperty(Tone.Listener.prototype, 'forwardZ', {\n\t        set: function (pos) {\n\t            this._orientation[2] = pos;\n\t            this.setOrientation.apply(this, this._orientation);\n\t        },\n\t        get: function () {\n\t            return this._orientation[2];\n\t        }\n\t    });\n\t    /**\n\t\t *  The x coordinate of the listener's up direction. i.e.\n\t\t *  the direction the listener is standing in.\n\t\t *  @type {Number}\n\t\t *  @memberOf Tone.Listener#\n\t\t *  @name upX\n\t\t */\n\t    Object.defineProperty(Tone.Listener.prototype, 'upX', {\n\t        set: function (pos) {\n\t            this._orientation[3] = pos;\n\t            this.setOrientation.apply(this, this._orientation);\n\t        },\n\t        get: function () {\n\t            return this._orientation[3];\n\t        }\n\t    });\n\t    /**\n\t\t *  The y coordinate of the listener's up direction. i.e.\n\t\t *  the direction the listener is standing in.\n\t\t *  @type {Number}\n\t\t *  @memberOf Tone.Listener#\n\t\t *  @name upY\n\t\t */\n\t    Object.defineProperty(Tone.Listener.prototype, 'upY', {\n\t        set: function (pos) {\n\t            this._orientation[4] = pos;\n\t            this.setOrientation.apply(this, this._orientation);\n\t        },\n\t        get: function () {\n\t            return this._orientation[4];\n\t        }\n\t    });\n\t    /**\n\t\t *  The z coordinate of the listener's up direction. i.e.\n\t\t *  the direction the listener is standing in.\n\t\t *  @type {Number}\n\t\t *  @memberOf Tone.Listener#\n\t\t *  @name upZ\n\t\t */\n\t    Object.defineProperty(Tone.Listener.prototype, 'upZ', {\n\t        set: function (pos) {\n\t            this._orientation[5] = pos;\n\t            this.setOrientation.apply(this, this._orientation);\n\t        },\n\t        get: function () {\n\t            return this._orientation[5];\n\t        }\n\t    });\n\t    /**\n\t\t *  Clean up.\n\t\t *  @returns {Tone.Listener} this\n\t\t */\n\t    Tone.Listener.prototype.dispose = function () {\n\t        this._orientation = null;\n\t        this._position = null;\n\t        return this;\n\t    };\n\t    //SINGLETON SETUP\n\t    var ListenerConstructor = Tone.Listener;\n\t    Tone.Listener = new ListenerConstructor();\n\t    Tone.Context.on('init', function (context) {\n\t        if (context.Listener instanceof ListenerConstructor) {\n\t            //a single listener object\n\t            Tone.Listener = context.Listener;\n\t        } else {\n\t            //make new Listener insides\n\t            Tone.Listener = new ListenerConstructor();\n\t        }\n\t        context.Listener = Tone.Listener;\n\t    });\n\t    //END SINGLETON SETUP\n\t    return Tone.Listener;\n\t});\n\tModule(function (Tone) {\n\t    /**\n\t\t *  shim\n\t\t *  @private\n\t\t */\n\t    if (!window.hasOwnProperty('OfflineAudioContext') && window.hasOwnProperty('webkitOfflineAudioContext')) {\n\t        window.OfflineAudioContext = window.webkitOfflineAudioContext;\n\t    }\n\t    /**\n\t\t *  @class Wrapper around the OfflineAudioContext\n\t\t *  @extends {Tone.Context\n\t\t *  @param  {Number}  channels  The number of channels to render\n\t\t *  @param  {Number}  duration  The duration to render in samples\n\t\t *  @param {Number} sampleRate the sample rate to render at\n\t\t */\n\t    Tone.OfflineContext = function (channels, duration, sampleRate) {\n\t        /**\n\t\t\t *  The offline context\n\t\t\t *  @private\n\t\t\t *  @type  {OfflineAudioContext}\n\t\t\t */\n\t        var offlineContext = new OfflineAudioContext(channels, duration * sampleRate, sampleRate);\n\t        //wrap the methods/members\n\t        Tone.Context.call(this, offlineContext);\n\t        /**\n\t\t\t *  A private reference to the duration\n\t\t\t *  @private\n\t\t\t *  @type  {Number}\n\t\t\t */\n\t        this._duration = duration;\n\t        /**\n\t\t\t *  An artificial clock source\n\t\t\t *  @type  {Number}\n\t\t\t *  @private\n\t\t\t */\n\t        this._currentTime = 0;\n\t        //modify the lookAhead and updateInterval to one block\n\t        this.lookAhead = this.blockTime;\n\t        this.updateInterval = this.blockTime;\n\t    };\n\t    Tone.extend(Tone.OfflineContext, Tone.Context);\n\t    /**\n\t\t *  Override the now method to point to the internal clock time\n\t\t *  @return  {Number}\n\t\t */\n\t    Tone.OfflineContext.prototype.now = function () {\n\t        return this._currentTime;\n\t    };\n\t    /**\n\t\t *  Overwrite this method since the worker is not necessary for the offline context\n\t\t *  @private\n\t\t */\n\t    Tone.OfflineContext.prototype._createWorker = function () {\n\t        //dummy worker that does nothing\n\t        return {\n\t            postMessage: function () {\n\t            }\n\t        };\n\t    };\n\t    /**\n\t\t *  Render the output of the OfflineContext\n\t\t *  @return  {Promise}\n\t\t */\n\t    Tone.OfflineContext.prototype.render = function () {\n\t        while (this._duration - this._currentTime >= 0) {\n\t            //invoke all the callbacks on that time\n\t            this.emit('tick');\n\t            //increment the clock\n\t            this._currentTime += Tone.prototype.blockTime;\n\t        }\n\t        //promise returned is not yet implemented in all browsers\n\t        return new Promise(function (done) {\n\t            this._context.oncomplete = function (e) {\n\t                done(e.renderedBuffer);\n\t            };\n\t            this._context.startRendering();\n\t        }.bind(this));\n\t    };\n\t    return Tone.OfflineContext;\n\t});\n\tModule(function (Tone) {\n\t    /**\n\t\t *  Generate a buffer by rendering all of the Tone.js code within the callback using the OfflineAudioContext. \n\t\t *  The OfflineAudioContext is capable of rendering much faster than real time in many cases. \n\t\t *  The callback function also passes in an offline instance of Tone.Transport which can be used\n\t\t *  to schedule events along the Transport. \n\t\t *  @param  {Function}  callback  All Tone.js nodes which are created and scheduled within this callback are recorded into the output Buffer.\n\t\t *  @param  {Time}  duration     the amount of time to record for.\n\t\t *  @return  {Promise}  The promise which is invoked with the Tone.Buffer of the recorded output.\n\t\t *  @example\n\t\t * //render 2 seconds of the oscillator\n\t\t * Tone.Offline(function(){\n\t\t * \t//only nodes created in this callback will be recorded\n\t\t * \tvar oscillator = new Tone.Oscillator().toMaster().start(0)\n\t\t * \t//schedule their events\n\t\t * }, 2).then(function(buffer){\n\t\t * \t//do something with the output buffer\n\t\t * })\n\t\t * @example\n\t\t * //can also schedule events along the Transport\n\t\t * //using the passed in Offline Transport\n\t\t * Tone.Offline(function(Transport){\n\t\t * \tvar osc = new Tone.Oscillator().toMaster()\n\t\t * \tTransport.schedule(function(time){\n\t\t * \t\tosc.start(time).stop(time + 0.1)\n\t\t * \t}, 1)\n\t\t * \tTransport.start(0.2)\n\t\t * }, 4).then(function(buffer){\n\t\t * \t//do something with the output buffer\n\t\t * })\n\t\t */\n\t    Tone.Offline = function (callback, duration) {\n\t        //set the OfflineAudioContext\n\t        var sampleRate = Tone.context.sampleRate;\n\t        var originalContext = Tone.context;\n\t        var context = new Tone.OfflineContext(2, duration, sampleRate);\n\t        Tone.context = context;\n\t        //invoke the callback/scheduling\n\t        callback(Tone.Transport);\n\t        //process the audio\n\t        var rendered = context.render();\n\t        //return the original AudioContext\n\t        Tone.context = originalContext;\n\t        //return the audio\n\t        return rendered.then(function (buffer) {\n\t            //wrap it in a Tone.Buffer\n\t            return new Tone.Buffer(buffer);\n\t        });\n\t    };\n\t    return Tone.Offline;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t * \t@class  Tone.Effect is the base class for effects. Connect the effect between\n\t\t * \t        the effectSend and effectReturn GainNodes, then control the amount of\n\t\t * \t        effect which goes to the output using the wet control.\n\t\t *\n\t\t *  @constructor\n\t\t *  @extends {Tone}\n\t\t *  @param {NormalRange|Object} [wet] The starting wet value. \n\t\t */\n\t    Tone.Effect = function () {\n\t        this.createInsOuts(1, 1);\n\t        //get all of the defaults\n\t        var options = this.optionsObject(arguments, ['wet'], Tone.Effect.defaults);\n\t        /**\n\t\t\t *  the drywet knob to control the amount of effect\n\t\t\t *  @type {Tone.CrossFade}\n\t\t\t *  @private\n\t\t\t */\n\t        this._dryWet = new Tone.CrossFade(options.wet);\n\t        /**\n\t\t\t *  The wet control is how much of the effected\n\t\t\t *  will pass through to the output. 1 = 100% effected\n\t\t\t *  signal, 0 = 100% dry signal. \n\t\t\t *  @type {NormalRange}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.wet = this._dryWet.fade;\n\t        /**\n\t\t\t *  connect the effectSend to the input of hte effect\n\t\t\t *  @type {Tone.Gain}\n\t\t\t *  @private\n\t\t\t */\n\t        this.effectSend = new Tone.Gain();\n\t        /**\n\t\t\t *  connect the output of the effect to the effectReturn\n\t\t\t *  @type {Tone.Gain}\n\t\t\t *  @private\n\t\t\t */\n\t        this.effectReturn = new Tone.Gain();\n\t        //connections\n\t        this.input.connect(this._dryWet.a);\n\t        this.input.connect(this.effectSend);\n\t        this.effectReturn.connect(this._dryWet.b);\n\t        this._dryWet.connect(this.output);\n\t        this._readOnly(['wet']);\n\t    };\n\t    Tone.extend(Tone.Effect);\n\t    /**\n\t\t *  @static\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.Effect.defaults = { 'wet': 1 };\n\t    /**\n\t\t *  chains the effect in between the effectSend and effectReturn\n\t\t *  @param  {Tone} effect\n\t\t *  @private\n\t\t *  @returns {Tone.Effect} this\n\t\t */\n\t    Tone.Effect.prototype.connectEffect = function (effect) {\n\t        this.effectSend.chain(effect, this.effectReturn);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Clean up. \n\t\t *  @returns {Tone.Effect} this\n\t\t */\n\t    Tone.Effect.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._dryWet.dispose();\n\t        this._dryWet = null;\n\t        this.effectSend.dispose();\n\t        this.effectSend = null;\n\t        this.effectReturn.dispose();\n\t        this.effectReturn = null;\n\t        this._writable(['wet']);\n\t        this.wet = null;\n\t        return this;\n\t    };\n\t    return Tone.Effect;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Tone.AutoFilter is a Tone.Filter with a Tone.LFO connected to the filter cutoff frequency.\n\t\t *         Setting the LFO rate and depth allows for control over the filter modulation rate \n\t\t *         and depth.\n\t\t *\n\t\t *  @constructor\n\t\t *  @extends {Tone.Effect}\n\t\t *  @param {Time|Object} [frequency] The rate of the LFO.\n\t\t *  @param {Frequency=} baseFrequency The lower value of the LFOs oscillation\n\t \t *  @param {Frequency=} octaves The number of octaves above the baseFrequency\n\t\t *  @example\n\t\t * //create an autofilter and start it's LFO\n\t\t * var autoFilter = new Tone.AutoFilter(\"4n\").toMaster().start();\n\t\t * //route an oscillator through the filter and start it\n\t\t * var oscillator = new Tone.Oscillator().connect(autoFilter).start();\n\t\t */\n\t    Tone.AutoFilter = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'frequency',\n\t            'baseFrequency',\n\t            'octaves'\n\t        ], Tone.AutoFilter.defaults);\n\t        Tone.Effect.call(this, options);\n\t        /**\n\t\t\t *  the lfo which drives the filter cutoff\n\t\t\t *  @type {Tone.LFO}\n\t\t\t *  @private\n\t\t\t */\n\t        this._lfo = new Tone.LFO({\n\t            'frequency': options.frequency,\n\t            'amplitude': options.depth\n\t        });\n\t        /**\n\t\t\t * The range of the filter modulating between the min and max frequency. \n\t\t\t * 0 = no modulation. 1 = full modulation.\n\t\t\t * @type {NormalRange}\n\t\t\t * @signal\n\t\t\t */\n\t        this.depth = this._lfo.amplitude;\n\t        /**\n\t\t\t * How fast the filter modulates between min and max. \n\t\t\t * @type {Frequency}\n\t\t\t * @signal\n\t\t\t */\n\t        this.frequency = this._lfo.frequency;\n\t        /**\n\t\t\t *  The filter node\n\t\t\t *  @type {Tone.Filter}\n\t\t\t */\n\t        this.filter = new Tone.Filter(options.filter);\n\t        /**\n\t\t\t *  The octaves placeholder\n\t\t\t *  @type {Positive}\n\t\t\t *  @private\n\t\t\t */\n\t        this._octaves = 0;\n\t        //connections\n\t        this.connectEffect(this.filter);\n\t        this._lfo.connect(this.filter.frequency);\n\t        this.type = options.type;\n\t        this._readOnly([\n\t            'frequency',\n\t            'depth'\n\t        ]);\n\t        this.octaves = options.octaves;\n\t        this.baseFrequency = options.baseFrequency;\n\t    };\n\t    //extend Effect\n\t    Tone.extend(Tone.AutoFilter, Tone.Effect);\n\t    /**\n\t\t *  defaults\n\t\t *  @static\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.AutoFilter.defaults = {\n\t        'frequency': 1,\n\t        'type': 'sine',\n\t        'depth': 1,\n\t        'baseFrequency': 200,\n\t        'octaves': 2.6,\n\t        'filter': {\n\t            'type': 'lowpass',\n\t            'rolloff': -12,\n\t            'Q': 1\n\t        }\n\t    };\n\t    /**\n\t\t * Start the effect.\n\t\t * @param {Time} [time=now] When the LFO will start. \n\t\t * @returns {Tone.AutoFilter} this\n\t\t */\n\t    Tone.AutoFilter.prototype.start = function (time) {\n\t        this._lfo.start(time);\n\t        return this;\n\t    };\n\t    /**\n\t\t * Stop the effect.\n\t\t * @param {Time} [time=now] When the LFO will stop. \n\t\t * @returns {Tone.AutoFilter} this\n\t\t */\n\t    Tone.AutoFilter.prototype.stop = function (time) {\n\t        this._lfo.stop(time);\n\t        return this;\n\t    };\n\t    /**\n\t\t * Sync the filter to the transport.\n\t\t * @param {Time} [delay=0] Delay time before starting the effect after the\n\t\t *                               Transport has started. \n\t\t * @returns {Tone.AutoFilter} this\n\t\t */\n\t    Tone.AutoFilter.prototype.sync = function (delay) {\n\t        this._lfo.sync(delay);\n\t        return this;\n\t    };\n\t    /**\n\t\t * Unsync the filter from the transport.\n\t\t * @returns {Tone.AutoFilter} this\n\t\t */\n\t    Tone.AutoFilter.prototype.unsync = function () {\n\t        this._lfo.unsync();\n\t        return this;\n\t    };\n\t    /**\n\t\t * Type of oscillator attached to the AutoFilter. \n\t\t * Possible values: \"sine\", \"square\", \"triangle\", \"sawtooth\".\n\t\t * @memberOf Tone.AutoFilter#\n\t\t * @type {string}\n\t\t * @name type\n\t\t */\n\t    Object.defineProperty(Tone.AutoFilter.prototype, 'type', {\n\t        get: function () {\n\t            return this._lfo.type;\n\t        },\n\t        set: function (type) {\n\t            this._lfo.type = type;\n\t        }\n\t    });\n\t    /**\n\t\t * The minimum value of the filter's cutoff frequency.\n\t\t * @memberOf Tone.AutoFilter#\n\t\t * @type {Frequency}\n\t\t * @name min\n\t\t */\n\t    Object.defineProperty(Tone.AutoFilter.prototype, 'baseFrequency', {\n\t        get: function () {\n\t            return this._lfo.min;\n\t        },\n\t        set: function (freq) {\n\t            this._lfo.min = this.toFrequency(freq);\n\t            //and set the max\n\t            this.octaves = this._octaves;\n\t        }\n\t    });\n\t    /**\n\t\t * The maximum value of the filter's cutoff frequency. \n\t\t * @memberOf Tone.AutoFilter#\n\t\t * @type {Positive}\n\t\t * @name octaves\n\t\t */\n\t    Object.defineProperty(Tone.AutoFilter.prototype, 'octaves', {\n\t        get: function () {\n\t            return this._octaves;\n\t        },\n\t        set: function (oct) {\n\t            this._octaves = oct;\n\t            this._lfo.max = this.baseFrequency * Math.pow(2, oct);\n\t        }\n\t    });\n\t    /**\n\t\t *  Clean up. \n\t\t *  @returns {Tone.AutoFilter} this\n\t\t */\n\t    Tone.AutoFilter.prototype.dispose = function () {\n\t        Tone.Effect.prototype.dispose.call(this);\n\t        this._lfo.dispose();\n\t        this._lfo = null;\n\t        this.filter.dispose();\n\t        this.filter = null;\n\t        this._writable([\n\t            'frequency',\n\t            'depth'\n\t        ]);\n\t        this.frequency = null;\n\t        this.depth = null;\n\t        return this;\n\t    };\n\t    return Tone.AutoFilter;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Tone.AutoPanner is a Tone.Panner with an LFO connected to the pan amount. \n\t\t *         More on using autopanners [here](https://www.ableton.com/en/blog/autopan-chopper-effect-and-more-liveschool/).\n\t\t *\n\t\t *  @constructor\n\t\t *  @extends {Tone.Effect}\n\t\t *  @param {Frequency|Object} [frequency] Rate of left-right oscillation. \n\t\t *  @example\n\t\t * //create an autopanner and start it's LFO\n\t\t * var autoPanner = new Tone.AutoPanner(\"4n\").toMaster().start();\n\t\t * //route an oscillator through the panner and start it\n\t\t * var oscillator = new Tone.Oscillator().connect(autoPanner).start();\n\t\t */\n\t    Tone.AutoPanner = function () {\n\t        var options = this.optionsObject(arguments, ['frequency'], Tone.AutoPanner.defaults);\n\t        Tone.Effect.call(this, options);\n\t        /**\n\t\t\t *  the lfo which drives the panning\n\t\t\t *  @type {Tone.LFO}\n\t\t\t *  @private\n\t\t\t */\n\t        this._lfo = new Tone.LFO({\n\t            'frequency': options.frequency,\n\t            'amplitude': options.depth,\n\t            'min': -1,\n\t            'max': 1\n\t        });\n\t        /**\n\t\t\t * The amount of panning between left and right. \n\t\t\t * 0 = always center. 1 = full range between left and right. \n\t\t\t * @type {NormalRange}\n\t\t\t * @signal\n\t\t\t */\n\t        this.depth = this._lfo.amplitude;\n\t        /**\n\t\t\t *  the panner node which does the panning\n\t\t\t *  @type {Tone.Panner}\n\t\t\t *  @private\n\t\t\t */\n\t        this._panner = new Tone.Panner();\n\t        /**\n\t\t\t * How fast the panner modulates between left and right. \n\t\t\t * @type {Frequency}\n\t\t\t * @signal\n\t\t\t */\n\t        this.frequency = this._lfo.frequency;\n\t        //connections\n\t        this.connectEffect(this._panner);\n\t        this._lfo.connect(this._panner.pan);\n\t        this.type = options.type;\n\t        this._readOnly([\n\t            'depth',\n\t            'frequency'\n\t        ]);\n\t    };\n\t    //extend Effect\n\t    Tone.extend(Tone.AutoPanner, Tone.Effect);\n\t    /**\n\t\t *  defaults\n\t\t *  @static\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.AutoPanner.defaults = {\n\t        'frequency': 1,\n\t        'type': 'sine',\n\t        'depth': 1\n\t    };\n\t    /**\n\t\t * Start the effect.\n\t\t * @param {Time} [time=now] When the LFO will start. \n\t\t * @returns {Tone.AutoPanner} this\n\t\t */\n\t    Tone.AutoPanner.prototype.start = function (time) {\n\t        this._lfo.start(time);\n\t        return this;\n\t    };\n\t    /**\n\t\t * Stop the effect.\n\t\t * @param {Time} [time=now] When the LFO will stop. \n\t\t * @returns {Tone.AutoPanner} this\n\t\t */\n\t    Tone.AutoPanner.prototype.stop = function (time) {\n\t        this._lfo.stop(time);\n\t        return this;\n\t    };\n\t    /**\n\t\t * Sync the panner to the transport.\n\t\t * @param {Time} [delay=0] Delay time before starting the effect after the\n\t\t *                               Transport has started. \n\t\t * @returns {Tone.AutoPanner} this\n\t\t */\n\t    Tone.AutoPanner.prototype.sync = function (delay) {\n\t        this._lfo.sync(delay);\n\t        return this;\n\t    };\n\t    /**\n\t\t * Unsync the panner from the transport\n\t\t * @returns {Tone.AutoPanner} this\n\t\t */\n\t    Tone.AutoPanner.prototype.unsync = function () {\n\t        this._lfo.unsync();\n\t        return this;\n\t    };\n\t    /**\n\t\t * Type of oscillator attached to the AutoFilter. \n\t\t * Possible values: \"sine\", \"square\", \"triangle\", \"sawtooth\".\n\t\t * @memberOf Tone.AutoFilter#\n\t\t * @type {string}\n\t\t * @name type\n\t\t */\n\t    Object.defineProperty(Tone.AutoPanner.prototype, 'type', {\n\t        get: function () {\n\t            return this._lfo.type;\n\t        },\n\t        set: function (type) {\n\t            this._lfo.type = type;\n\t        }\n\t    });\n\t    /**\n\t\t *  clean up\n\t\t *  @returns {Tone.AutoPanner} this\n\t\t */\n\t    Tone.AutoPanner.prototype.dispose = function () {\n\t        Tone.Effect.prototype.dispose.call(this);\n\t        this._lfo.dispose();\n\t        this._lfo = null;\n\t        this._panner.dispose();\n\t        this._panner = null;\n\t        this._writable([\n\t            'depth',\n\t            'frequency'\n\t        ]);\n\t        this.frequency = null;\n\t        this.depth = null;\n\t        return this;\n\t    };\n\t    return Tone.AutoPanner;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  Tone.AutoWah connects a Tone.Follower to a bandpass filter (Tone.Filter).\n\t\t *          The frequency of the filter is adjusted proportionally to the \n\t\t *          incoming signal's amplitude. Inspiration from [Tuna.js](https://github.com/Dinahmoe/tuna).\n\t\t *\n\t\t *  @constructor\n\t\t *  @extends {Tone.Effect}\n\t\t *  @param {Frequency|Object} [baseFrequency] The frequency the filter is set \n\t\t *                                            to at the low point of the wah\n\t\t *  @param {Positive} [octaves] The number of octaves above the baseFrequency\n\t\t *                                the filter will sweep to when fully open\n\t\t *  @param {Decibels} [sensitivity] The decibel threshold sensitivity for \n\t\t *                                   the incoming signal. Normal range of -40 to 0. \n\t\t *  @example\n\t\t * var autoWah = new Tone.AutoWah(50, 6, -30).toMaster();\n\t\t * //initialize the synth and connect to autowah\n\t\t * var synth = new Synth.connect(autoWah);\n\t\t * //Q value influences the effect of the wah - default is 2\n\t\t * autoWah.Q.value = 6;\n\t\t * //more audible on higher notes\n\t\t * synth.triggerAttackRelease(\"C4\", \"8n\")\n\t\t */\n\t    Tone.AutoWah = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'baseFrequency',\n\t            'octaves',\n\t            'sensitivity'\n\t        ], Tone.AutoWah.defaults);\n\t        Tone.Effect.call(this, options);\n\t        /**\n\t\t\t *  The envelope follower. Set the attack/release\n\t\t\t *  timing to adjust how the envelope is followed. \n\t\t\t *  @type {Tone.Follower}\n\t\t\t *  @private\n\t\t\t */\n\t        this.follower = new Tone.Follower(options.follower);\n\t        /**\n\t\t\t *  scales the follower value to the frequency domain\n\t\t\t *  @type {Tone}\n\t\t\t *  @private\n\t\t\t */\n\t        this._sweepRange = new Tone.ScaleExp(0, 1, 0.5);\n\t        /**\n\t\t\t *  @type {number}\n\t\t\t *  @private\n\t\t\t */\n\t        this._baseFrequency = options.baseFrequency;\n\t        /**\n\t\t\t *  @type {number}\n\t\t\t *  @private\n\t\t\t */\n\t        this._octaves = options.octaves;\n\t        /**\n\t\t\t *  the input gain to adjust the sensitivity\n\t\t\t *  @type {Tone.Gain}\n\t\t\t *  @private\n\t\t\t */\n\t        this._inputBoost = new Tone.Gain();\n\t        /**\n\t\t\t *  @type {BiquadFilterNode}\n\t\t\t *  @private\n\t\t\t */\n\t        this._bandpass = new Tone.Filter({\n\t            'rolloff': -48,\n\t            'frequency': 0,\n\t            'Q': options.Q\n\t        });\n\t        /**\n\t\t\t *  @type {Tone.Filter}\n\t\t\t *  @private\n\t\t\t */\n\t        this._peaking = new Tone.Filter(0, 'peaking');\n\t        this._peaking.gain.value = options.gain;\n\t        /**\n\t\t\t * The gain of the filter.\n\t\t\t * @type {Number}\n\t\t\t * @signal\n\t\t\t */\n\t        this.gain = this._peaking.gain;\n\t        /**\n\t\t\t * The quality of the filter.\n\t\t\t * @type {Positive}\n\t\t\t * @signal\n\t\t\t */\n\t        this.Q = this._bandpass.Q;\n\t        //the control signal path\n\t        this.effectSend.chain(this._inputBoost, this.follower, this._sweepRange);\n\t        this._sweepRange.connect(this._bandpass.frequency);\n\t        this._sweepRange.connect(this._peaking.frequency);\n\t        //the filtered path\n\t        this.effectSend.chain(this._bandpass, this._peaking, this.effectReturn);\n\t        //set the initial value\n\t        this._setSweepRange();\n\t        this.sensitivity = options.sensitivity;\n\t        this._readOnly([\n\t            'gain',\n\t            'Q'\n\t        ]);\n\t    };\n\t    Tone.extend(Tone.AutoWah, Tone.Effect);\n\t    /**\n\t\t *  @static\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.AutoWah.defaults = {\n\t        'baseFrequency': 100,\n\t        'octaves': 6,\n\t        'sensitivity': 0,\n\t        'Q': 2,\n\t        'gain': 2,\n\t        'follower': {\n\t            'attack': 0.3,\n\t            'release': 0.5\n\t        }\n\t    };\n\t    /**\n\t\t * The number of octaves that the filter will sweep above the \n\t\t * baseFrequency. \n\t\t * @memberOf Tone.AutoWah#\n\t\t * @type {Number}\n\t\t * @name octaves\n\t\t */\n\t    Object.defineProperty(Tone.AutoWah.prototype, 'octaves', {\n\t        get: function () {\n\t            return this._octaves;\n\t        },\n\t        set: function (octaves) {\n\t            this._octaves = octaves;\n\t            this._setSweepRange();\n\t        }\n\t    });\n\t    /**\n\t\t * The base frequency from which the sweep will start from.\n\t\t * @memberOf Tone.AutoWah#\n\t\t * @type {Frequency}\n\t\t * @name baseFrequency\n\t\t */\n\t    Object.defineProperty(Tone.AutoWah.prototype, 'baseFrequency', {\n\t        get: function () {\n\t            return this._baseFrequency;\n\t        },\n\t        set: function (baseFreq) {\n\t            this._baseFrequency = baseFreq;\n\t            this._setSweepRange();\n\t        }\n\t    });\n\t    /**\n\t\t * The sensitivity to control how responsive to the input signal the filter is. \n\t\t * @memberOf Tone.AutoWah#\n\t\t * @type {Decibels}\n\t\t * @name sensitivity\n\t\t */\n\t    Object.defineProperty(Tone.AutoWah.prototype, 'sensitivity', {\n\t        get: function () {\n\t            return this.gainToDb(1 / this._inputBoost.gain.value);\n\t        },\n\t        set: function (sensitivy) {\n\t            this._inputBoost.gain.value = 1 / this.dbToGain(sensitivy);\n\t        }\n\t    });\n\t    /**\n\t\t *  sets the sweep range of the scaler\n\t\t *  @private\n\t\t */\n\t    Tone.AutoWah.prototype._setSweepRange = function () {\n\t        this._sweepRange.min = this._baseFrequency;\n\t        this._sweepRange.max = Math.min(this._baseFrequency * Math.pow(2, this._octaves), this.context.sampleRate / 2);\n\t    };\n\t    /**\n\t\t *  Clean up.\n\t\t *  @returns {Tone.AutoWah} this\n\t\t */\n\t    Tone.AutoWah.prototype.dispose = function () {\n\t        Tone.Effect.prototype.dispose.call(this);\n\t        this.follower.dispose();\n\t        this.follower = null;\n\t        this._sweepRange.dispose();\n\t        this._sweepRange = null;\n\t        this._bandpass.dispose();\n\t        this._bandpass = null;\n\t        this._peaking.dispose();\n\t        this._peaking = null;\n\t        this._inputBoost.dispose();\n\t        this._inputBoost = null;\n\t        this._writable([\n\t            'gain',\n\t            'Q'\n\t        ]);\n\t        this.gain = null;\n\t        this.Q = null;\n\t        return this;\n\t    };\n\t    return Tone.AutoWah;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Tone.Bitcrusher downsamples the incoming signal to a different bitdepth. \n\t\t *         Lowering the bitdepth of the signal creates distortion. Read more about Bitcrushing\n\t\t *         on [Wikipedia](https://en.wikipedia.org/wiki/Bitcrusher).\n\t\t *\n\t\t *  @constructor\n\t\t *  @extends {Tone.Effect}\n\t\t *  @param {Number} bits The number of bits to downsample the signal. Nominal range\n\t\t *                       of 1 to 8. \n\t\t *  @example\n\t\t * //initialize crusher and route a synth through it\n\t\t * var crusher = new Tone.BitCrusher(4).toMaster();\n\t\t * var synth = new Tone.MonoSynth().connect(crusher);\n\t\t */\n\t    Tone.BitCrusher = function () {\n\t        var options = this.optionsObject(arguments, ['bits'], Tone.BitCrusher.defaults);\n\t        Tone.Effect.call(this, options);\n\t        var invStepSize = 1 / Math.pow(2, options.bits - 1);\n\t        /**\n\t\t\t *  Subtract the input signal and the modulus of the input signal\n\t\t\t *  @type {Tone.Subtract}\n\t\t\t *  @private\n\t\t\t */\n\t        this._subtract = new Tone.Subtract();\n\t        /**\n\t\t\t *  The mod function\n\t\t\t *  @type  {Tone.Modulo}\n\t\t\t *  @private\n\t\t\t */\n\t        this._modulo = new Tone.Modulo(invStepSize);\n\t        /**\n\t\t\t *  keeps track of the bits\n\t\t\t *  @type {number}\n\t\t\t *  @private\n\t\t\t */\n\t        this._bits = options.bits;\n\t        //connect it up\n\t        this.effectSend.fan(this._subtract, this._modulo);\n\t        this._modulo.connect(this._subtract, 0, 1);\n\t        this._subtract.connect(this.effectReturn);\n\t    };\n\t    Tone.extend(Tone.BitCrusher, Tone.Effect);\n\t    /**\n\t\t *  the default values\n\t\t *  @static\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.BitCrusher.defaults = { 'bits': 4 };\n\t    /**\n\t\t * The bit depth of the effect. Nominal range of 1-8. \n\t\t * @memberOf Tone.BitCrusher#\n\t\t * @type {number}\n\t\t * @name bits\n\t\t */\n\t    Object.defineProperty(Tone.BitCrusher.prototype, 'bits', {\n\t        get: function () {\n\t            return this._bits;\n\t        },\n\t        set: function (bits) {\n\t            this._bits = bits;\n\t            var invStepSize = 1 / Math.pow(2, bits - 1);\n\t            this._modulo.value = invStepSize;\n\t        }\n\t    });\n\t    /**\n\t\t *  Clean up. \n\t\t *  @returns {Tone.BitCrusher} this\n\t\t */\n\t    Tone.BitCrusher.prototype.dispose = function () {\n\t        Tone.Effect.prototype.dispose.call(this);\n\t        this._subtract.dispose();\n\t        this._subtract = null;\n\t        this._modulo.dispose();\n\t        this._modulo = null;\n\t        return this;\n\t    };\n\t    return Tone.BitCrusher;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Tone.ChebyShev is a Chebyshev waveshaper, an effect which is good \n\t\t *         for making different types of distortion sounds.\n\t\t *         Note that odd orders sound very different from even ones, \n\t\t *         and order = 1 is no change. \n\t\t *         Read more at [music.columbia.edu](http://music.columbia.edu/cmc/musicandcomputers/chapter4/04_06.php).\n\t\t *\n\t\t *  @extends {Tone.Effect}\n\t\t *  @constructor\n\t\t *  @param {Positive|Object} [order] The order of the chebyshev polynomial. Normal range between 1-100. \n\t\t *  @example\n\t\t * //create a new cheby\n\t\t * var cheby = new Tone.Chebyshev(50);\n\t\t * //create a monosynth connected to our cheby\n\t\t * synth = new Tone.MonoSynth().connect(cheby);\n\t\t */\n\t    Tone.Chebyshev = function () {\n\t        var options = this.optionsObject(arguments, ['order'], Tone.Chebyshev.defaults);\n\t        Tone.Effect.call(this, options);\n\t        /**\n\t\t\t *  @type {WaveShaperNode}\n\t\t\t *  @private\n\t\t\t */\n\t        this._shaper = new Tone.WaveShaper(4096);\n\t        /**\n\t\t\t * holds onto the order of the filter\n\t\t\t * @type {number}\n\t\t\t * @private\n\t\t\t */\n\t        this._order = options.order;\n\t        this.connectEffect(this._shaper);\n\t        this.order = options.order;\n\t        this.oversample = options.oversample;\n\t    };\n\t    Tone.extend(Tone.Chebyshev, Tone.Effect);\n\t    /**\n\t\t *  @static\n\t\t *  @const\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.Chebyshev.defaults = {\n\t        'order': 1,\n\t        'oversample': 'none'\n\t    };\n\t    /**\n\t\t *  get the coefficient for that degree\n\t\t *  @param {number} x the x value\n\t\t *  @param   {number} degree \n\t\t *  @param {Object} memo memoize the computed value. \n\t\t *                       this speeds up computation greatly. \n\t\t *  @return  {number}       the coefficient \n\t\t *  @private\n\t\t */\n\t    Tone.Chebyshev.prototype._getCoefficient = function (x, degree, memo) {\n\t        if (memo.hasOwnProperty(degree)) {\n\t            return memo[degree];\n\t        } else if (degree === 0) {\n\t            memo[degree] = 0;\n\t        } else if (degree === 1) {\n\t            memo[degree] = x;\n\t        } else {\n\t            memo[degree] = 2 * x * this._getCoefficient(x, degree - 1, memo) - this._getCoefficient(x, degree - 2, memo);\n\t        }\n\t        return memo[degree];\n\t    };\n\t    /**\n\t\t * The order of the Chebyshev polynomial which creates\n\t\t * the equation which is applied to the incoming \n\t\t * signal through a Tone.WaveShaper. The equations\n\t\t * are in the form:<br>\n\t\t * order 2: 2x^2 + 1<br>\n\t\t * order 3: 4x^3 + 3x <br>\n\t\t * @memberOf Tone.Chebyshev#\n\t\t * @type {Positive}\n\t\t * @name order\n\t\t */\n\t    Object.defineProperty(Tone.Chebyshev.prototype, 'order', {\n\t        get: function () {\n\t            return this._order;\n\t        },\n\t        set: function (order) {\n\t            this._order = order;\n\t            var curve = new Array(4096);\n\t            var len = curve.length;\n\t            for (var i = 0; i < len; ++i) {\n\t                var x = i * 2 / len - 1;\n\t                if (x === 0) {\n\t                    //should output 0 when input is 0\n\t                    curve[i] = 0;\n\t                } else {\n\t                    curve[i] = this._getCoefficient(x, order, {});\n\t                }\n\t            }\n\t            this._shaper.curve = curve;\n\t        }\n\t    });\n\t    /**\n\t\t * The oversampling of the effect. Can either be \"none\", \"2x\" or \"4x\".\n\t\t * @memberOf Tone.Chebyshev#\n\t\t * @type {string}\n\t\t * @name oversample\n\t\t */\n\t    Object.defineProperty(Tone.Chebyshev.prototype, 'oversample', {\n\t        get: function () {\n\t            return this._shaper.oversample;\n\t        },\n\t        set: function (oversampling) {\n\t            this._shaper.oversample = oversampling;\n\t        }\n\t    });\n\t    /**\n\t\t *  Clean up. \n\t\t *  @returns {Tone.Chebyshev} this\n\t\t */\n\t    Tone.Chebyshev.prototype.dispose = function () {\n\t        Tone.Effect.prototype.dispose.call(this);\n\t        this._shaper.dispose();\n\t        this._shaper = null;\n\t        return this;\n\t    };\n\t    return Tone.Chebyshev;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Base class for Stereo effects. Provides effectSendL/R and effectReturnL/R. \n\t\t *\n\t\t *\t@constructor\n\t\t *\t@extends {Tone.Effect}\n\t\t */\n\t    Tone.StereoEffect = function () {\n\t        this.createInsOuts(1, 1);\n\t        //get the defaults\n\t        var options = this.optionsObject(arguments, ['wet'], Tone.Effect.defaults);\n\t        /**\n\t\t\t *  the drywet knob to control the amount of effect\n\t\t\t *  @type {Tone.CrossFade}\n\t\t\t *  @private\n\t\t\t */\n\t        this._dryWet = new Tone.CrossFade(options.wet);\n\t        /**\n\t\t\t *  The wet control, i.e. how much of the effected\n\t\t\t *  will pass through to the output. \n\t\t\t *  @type {NormalRange}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.wet = this._dryWet.fade;\n\t        /**\n\t\t\t *  then split it\n\t\t\t *  @type {Tone.Split}\n\t\t\t *  @private\n\t\t\t */\n\t        this._split = new Tone.Split();\n\t        /**\n\t\t\t *  the effects send LEFT\n\t\t\t *  @type {GainNode}\n\t\t\t *  @private\n\t\t\t */\n\t        this.effectSendL = this._split.left;\n\t        /**\n\t\t\t *  the effects send RIGHT\n\t\t\t *  @type {GainNode}\n\t\t\t *  @private\n\t\t\t */\n\t        this.effectSendR = this._split.right;\n\t        /**\n\t\t\t *  the stereo effect merger\n\t\t\t *  @type {Tone.Merge}\n\t\t\t *  @private\n\t\t\t */\n\t        this._merge = new Tone.Merge();\n\t        /**\n\t\t\t *  the effect return LEFT\n\t\t\t *  @type {GainNode}\n\t\t\t *  @private\n\t\t\t */\n\t        this.effectReturnL = this._merge.left;\n\t        /**\n\t\t\t *  the effect return RIGHT\n\t\t\t *  @type {GainNode}\n\t\t\t *  @private\n\t\t\t */\n\t        this.effectReturnR = this._merge.right;\n\t        //connections\n\t        this.input.connect(this._split);\n\t        //dry wet connections\n\t        this.input.connect(this._dryWet, 0, 0);\n\t        this._merge.connect(this._dryWet, 0, 1);\n\t        this._dryWet.connect(this.output);\n\t        this._readOnly(['wet']);\n\t    };\n\t    Tone.extend(Tone.StereoEffect, Tone.Effect);\n\t    /**\n\t\t *  Clean up. \n\t\t *  @returns {Tone.StereoEffect} this\n\t\t */\n\t    Tone.StereoEffect.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._dryWet.dispose();\n\t        this._dryWet = null;\n\t        this._split.dispose();\n\t        this._split = null;\n\t        this._merge.dispose();\n\t        this._merge = null;\n\t        this.effectSendL = null;\n\t        this.effectSendR = null;\n\t        this.effectReturnL = null;\n\t        this.effectReturnR = null;\n\t        this._writable(['wet']);\n\t        this.wet = null;\n\t        return this;\n\t    };\n\t    return Tone.StereoEffect;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t * \t@class  Tone.FeedbackEffect provides a loop between an \n\t\t * \t        audio source and its own output. This is a base-class\n\t\t * \t        for feedback effects. \n\t\t *\n\t\t *  @constructor\n\t\t *  @extends {Tone.Effect}\n\t\t *  @param {NormalRange|Object} [feedback] The initial feedback value.\n\t\t */\n\t    Tone.FeedbackEffect = function () {\n\t        var options = this.optionsObject(arguments, ['feedback']);\n\t        options = this.defaultArg(options, Tone.FeedbackEffect.defaults);\n\t        Tone.Effect.call(this, options);\n\t        /**\n\t\t\t *  the gain which controls the feedback\n\t\t\t *  @type {Tone.Gain}\n\t\t\t *  @private\n\t\t\t */\n\t        this._feedbackGain = new Tone.Gain(options.feedback, Tone.Type.NormalRange);\n\t        /**\n\t\t\t *  The amount of signal which is fed back into the effect input. \n\t\t\t *  @type {NormalRange}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.feedback = this._feedbackGain.gain;\n\t        //the feedback loop\n\t        this.effectReturn.chain(this._feedbackGain, this.effectSend);\n\t        this._readOnly(['feedback']);\n\t    };\n\t    Tone.extend(Tone.FeedbackEffect, Tone.Effect);\n\t    /**\n\t\t *  @static\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.FeedbackEffect.defaults = { 'feedback': 0.125 };\n\t    /**\n\t\t *  Clean up. \n\t\t *  @returns {Tone.FeedbackEffect} this\n\t\t */\n\t    Tone.FeedbackEffect.prototype.dispose = function () {\n\t        Tone.Effect.prototype.dispose.call(this);\n\t        this._writable(['feedback']);\n\t        this._feedbackGain.dispose();\n\t        this._feedbackGain = null;\n\t        this.feedback = null;\n\t        return this;\n\t    };\n\t    return Tone.FeedbackEffect;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Just like a stereo feedback effect, but the feedback is routed from left to right\n\t\t *         and right to left instead of on the same channel.\n\t\t *\n\t\t *\t@constructor\n\t\t *\t@extends {Tone.FeedbackEffect}\n\t\t */\n\t    Tone.StereoXFeedbackEffect = function () {\n\t        var options = this.optionsObject(arguments, ['feedback'], Tone.FeedbackEffect.defaults);\n\t        Tone.StereoEffect.call(this, options);\n\t        /**\n\t\t\t *  The amount of feedback from the output\n\t\t\t *  back into the input of the effect (routed\n\t\t\t *  across left and right channels).\n\t\t\t *  @type {NormalRange}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.feedback = new Tone.Signal(options.feedback, Tone.Type.NormalRange);\n\t        /**\n\t\t\t *  the left side feeback\n\t\t\t *  @type {Tone.Gain}\n\t\t\t *  @private\n\t\t\t */\n\t        this._feedbackLR = new Tone.Gain();\n\t        /**\n\t\t\t *  the right side feeback\n\t\t\t *  @type {Tone.Gain}\n\t\t\t *  @private\n\t\t\t */\n\t        this._feedbackRL = new Tone.Gain();\n\t        //connect it up\n\t        this.effectReturnL.chain(this._feedbackLR, this.effectSendR);\n\t        this.effectReturnR.chain(this._feedbackRL, this.effectSendL);\n\t        this.feedback.fan(this._feedbackLR.gain, this._feedbackRL.gain);\n\t        this._readOnly(['feedback']);\n\t    };\n\t    Tone.extend(Tone.StereoXFeedbackEffect, Tone.FeedbackEffect);\n\t    /**\n\t\t *  clean up\n\t\t *  @returns {Tone.StereoXFeedbackEffect} this\n\t\t */\n\t    Tone.StereoXFeedbackEffect.prototype.dispose = function () {\n\t        Tone.StereoEffect.prototype.dispose.call(this);\n\t        this._writable(['feedback']);\n\t        this.feedback.dispose();\n\t        this.feedback = null;\n\t        this._feedbackLR.dispose();\n\t        this._feedbackLR = null;\n\t        this._feedbackRL.dispose();\n\t        this._feedbackRL = null;\n\t        return this;\n\t    };\n\t    return Tone.StereoXFeedbackEffect;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Tone.Chorus is a stereo chorus effect with feedback composed of \n\t\t *         a left and right delay with a Tone.LFO applied to the delayTime of each channel. \n\t\t *         Inspiration from [Tuna.js](https://github.com/Dinahmoe/tuna/blob/master/tuna.js).\n\t\t *         Read more on the chorus effect on [SoundOnSound](http://www.soundonsound.com/sos/jun04/articles/synthsecrets.htm).\n\t\t *\n\t\t *\t@constructor\n\t\t *\t@extends {Tone.StereoXFeedbackEffect}\n\t\t *\t@param {Frequency|Object} [frequency] The frequency of the LFO.\n\t\t *\t@param {Milliseconds} [delayTime] The delay of the chorus effect in ms. \n\t\t *\t@param {NormalRange} [depth] The depth of the chorus.\n\t\t *\t@example\n\t\t * var chorus = new Tone.Chorus(4, 2.5, 0.5);\n\t\t * var synth = new Tone.PolySynth(4, Tone.MonoSynth).connect(chorus);\n\t\t * synth.triggerAttackRelease([\"C3\",\"E3\",\"G3\"], \"8n\");\n\t\t */\n\t    Tone.Chorus = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'frequency',\n\t            'delayTime',\n\t            'depth'\n\t        ], Tone.Chorus.defaults);\n\t        Tone.StereoXFeedbackEffect.call(this, options);\n\t        /**\n\t\t\t *  the depth of the chorus\n\t\t\t *  @type {number}\n\t\t\t *  @private\n\t\t\t */\n\t        this._depth = options.depth;\n\t        /**\n\t\t\t *  the delayTime\n\t\t\t *  @type {number}\n\t\t\t *  @private\n\t\t\t */\n\t        this._delayTime = options.delayTime / 1000;\n\t        /**\n\t\t\t *  the lfo which controls the delayTime\n\t\t\t *  @type {Tone.LFO}\n\t\t\t *  @private\n\t\t\t */\n\t        this._lfoL = new Tone.LFO({\n\t            'frequency': options.frequency,\n\t            'min': 0,\n\t            'max': 1\n\t        });\n\t        /**\n\t\t\t *  another LFO for the right side with a 180 degree phase diff\n\t\t\t *  @type {Tone.LFO}\n\t\t\t *  @private\n\t\t\t */\n\t        this._lfoR = new Tone.LFO({\n\t            'frequency': options.frequency,\n\t            'min': 0,\n\t            'max': 1,\n\t            'phase': 180\n\t        });\n\t        /**\n\t\t\t *  delay for left\n\t\t\t *  @type {Tone.Delay}\n\t\t\t *  @private\n\t\t\t */\n\t        this._delayNodeL = new Tone.Delay();\n\t        /**\n\t\t\t *  delay for right\n\t\t\t *  @type {Tone.Delay}\n\t\t\t *  @private\n\t\t\t */\n\t        this._delayNodeR = new Tone.Delay();\n\t        /**\n\t\t\t * The frequency of the LFO which modulates the delayTime. \n\t\t\t * @type {Frequency}\n\t\t\t * @signal\n\t\t\t */\n\t        this.frequency = this._lfoL.frequency;\n\t        //connections\n\t        this.effectSendL.chain(this._delayNodeL, this.effectReturnL);\n\t        this.effectSendR.chain(this._delayNodeR, this.effectReturnR);\n\t        //and pass through to make the detune apparent\n\t        this.effectSendL.connect(this.effectReturnL);\n\t        this.effectSendR.connect(this.effectReturnR);\n\t        //lfo setup\n\t        this._lfoL.connect(this._delayNodeL.delayTime);\n\t        this._lfoR.connect(this._delayNodeR.delayTime);\n\t        //start the lfo\n\t        this._lfoL.start();\n\t        this._lfoR.start();\n\t        //have one LFO frequency control the other\n\t        this._lfoL.frequency.connect(this._lfoR.frequency);\n\t        //set the initial values\n\t        this.depth = this._depth;\n\t        this.frequency.value = options.frequency;\n\t        this.type = options.type;\n\t        this._readOnly(['frequency']);\n\t        this.spread = options.spread;\n\t    };\n\t    Tone.extend(Tone.Chorus, Tone.StereoXFeedbackEffect);\n\t    /**\n\t\t *  @static\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.Chorus.defaults = {\n\t        'frequency': 1.5,\n\t        'delayTime': 3.5,\n\t        'depth': 0.7,\n\t        'feedback': 0.1,\n\t        'type': 'sine',\n\t        'spread': 180\n\t    };\n\t    /**\n\t\t * The depth of the effect. A depth of 1 makes the delayTime\n\t\t * modulate between 0 and 2*delayTime (centered around the delayTime). \n\t\t * @memberOf Tone.Chorus#\n\t\t * @type {NormalRange}\n\t\t * @name depth\n\t\t */\n\t    Object.defineProperty(Tone.Chorus.prototype, 'depth', {\n\t        get: function () {\n\t            return this._depth;\n\t        },\n\t        set: function (depth) {\n\t            this._depth = depth;\n\t            var deviation = this._delayTime * depth;\n\t            this._lfoL.min = Math.max(this._delayTime - deviation, 0);\n\t            this._lfoL.max = this._delayTime + deviation;\n\t            this._lfoR.min = Math.max(this._delayTime - deviation, 0);\n\t            this._lfoR.max = this._delayTime + deviation;\n\t        }\n\t    });\n\t    /**\n\t\t * The delayTime in milliseconds of the chorus. A larger delayTime\n\t\t * will give a more pronounced effect. Nominal range a delayTime\n\t\t * is between 2 and 20ms. \n\t\t * @memberOf Tone.Chorus#\n\t\t * @type {Milliseconds}\n\t\t * @name delayTime\n\t\t */\n\t    Object.defineProperty(Tone.Chorus.prototype, 'delayTime', {\n\t        get: function () {\n\t            return this._delayTime * 1000;\n\t        },\n\t        set: function (delayTime) {\n\t            this._delayTime = delayTime / 1000;\n\t            this.depth = this._depth;\n\t        }\n\t    });\n\t    /**\n\t\t * The oscillator type of the LFO. \n\t\t * @memberOf Tone.Chorus#\n\t\t * @type {string}\n\t\t * @name type\n\t\t */\n\t    Object.defineProperty(Tone.Chorus.prototype, 'type', {\n\t        get: function () {\n\t            return this._lfoL.type;\n\t        },\n\t        set: function (type) {\n\t            this._lfoL.type = type;\n\t            this._lfoR.type = type;\n\t        }\n\t    });\n\t    /** \n\t\t * Amount of stereo spread. When set to 0, both LFO's will be panned centrally.\n\t\t * When set to 180, LFO's will be panned hard left and right respectively.\n\t\t * @memberOf Tone.Chorus#\n\t\t * @type {Degrees}\n\t\t * @name spread\n\t\t */\n\t    Object.defineProperty(Tone.Chorus.prototype, 'spread', {\n\t        get: function () {\n\t            return this._lfoR.phase - this._lfoL.phase;    //180\n\t        },\n\t        set: function (spread) {\n\t            this._lfoL.phase = 90 - spread / 2;\n\t            this._lfoR.phase = spread / 2 + 90;\n\t        }\n\t    });\n\t    /**\n\t\t *  Clean up. \n\t\t *  @returns {Tone.Chorus} this\n\t\t */\n\t    Tone.Chorus.prototype.dispose = function () {\n\t        Tone.StereoXFeedbackEffect.prototype.dispose.call(this);\n\t        this._lfoL.dispose();\n\t        this._lfoL = null;\n\t        this._lfoR.dispose();\n\t        this._lfoR = null;\n\t        this._delayNodeL.dispose();\n\t        this._delayNodeL = null;\n\t        this._delayNodeR.dispose();\n\t        this._delayNodeR = null;\n\t        this._writable('frequency');\n\t        this.frequency = null;\n\t        return this;\n\t    };\n\t    return Tone.Chorus;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  Tone.Convolver is a wrapper around the Native Web Audio \n\t\t *          [ConvolverNode](http://webaudio.github.io/web-audio-api/#the-convolvernode-interface).\n\t\t *          Convolution is useful for reverb and filter emulation. Read more about convolution reverb on\n\t\t *          [Wikipedia](https://en.wikipedia.org/wiki/Convolution_reverb).\n\t\t *  \n\t\t *  @constructor\n\t\t *  @extends {Tone.Effect}\n\t\t *  @param {string|Tone.Buffer|Object} [url] The URL of the impulse response or the Tone.Buffer\n\t\t *                                           contianing the impulse response. \n\t\t *  @param {Function} onload The callback to invoke when the url is loaded.\n\t\t *  @example\n\t\t * //initializing the convolver with an impulse response\n\t\t * var convolver = new Tone.Convolver(\"./path/to/ir.wav\").toMaster();\n\t\t */\n\t    Tone.Convolver = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'url',\n\t            'onload'\n\t        ], Tone.Convolver.defaults);\n\t        Tone.Effect.call(this, options);\n\t        /**\n\t\t\t *  convolver node\n\t\t\t *  @type {ConvolverNode}\n\t\t\t *  @private\n\t\t\t */\n\t        this._convolver = this.context.createConvolver();\n\t        /**\n\t\t\t *  the convolution buffer\n\t\t\t *  @type {Tone.Buffer}\n\t\t\t *  @private\n\t\t\t */\n\t        this._buffer = new Tone.Buffer();\n\t        if (this.isString(options.url)) {\n\t            this._buffer.load(options.url, function (buffer) {\n\t                this.buffer = buffer;\n\t                options.onload();\n\t            }.bind(this));\n\t        } else if (options.url) {\n\t            this.buffer = options.url;\n\t            options.onload();\n\t        }\n\t        this.connectEffect(this._convolver);\n\t    };\n\t    Tone.extend(Tone.Convolver, Tone.Effect);\n\t    /**\n\t\t *  @static\n\t\t *  @const\n\t\t *  @type  {Object}\n\t\t */\n\t    Tone.Convolver.defaults = { 'onload': Tone.noOp };\n\t    /**\n\t\t *  The convolver's buffer\n\t\t *  @memberOf Tone.Convolver#\n\t\t *  @type {AudioBuffer}\n\t\t *  @name buffer\n\t\t */\n\t    Object.defineProperty(Tone.Convolver.prototype, 'buffer', {\n\t        get: function () {\n\t            return this._buffer.get();\n\t        },\n\t        set: function (buffer) {\n\t            this._buffer.set(buffer);\n\t            this._convolver.buffer = this._buffer.get();\n\t        }\n\t    });\n\t    /**\n\t\t *  Load an impulse response url as an audio buffer.\n\t\t *  Decodes the audio asynchronously and invokes\n\t\t *  the callback once the audio buffer loads.\n\t\t *  @param {string} url The url of the buffer to load.\n\t\t *                      filetype support depends on the\n\t\t *                      browser.\n\t\t *  @param  {function=} callback\n\t\t *  @returns {Promise}\n\t\t */\n\t    Tone.Convolver.prototype.load = function (url, callback) {\n\t        return this._buffer.load(url, function (buff) {\n\t            this.buffer = buff;\n\t            if (callback) {\n\t                callback();\n\t            }\n\t        }.bind(this));\n\t    };\n\t    /**\n\t\t *  Clean up. \n\t\t *  @returns {Tone.Convolver} this\n\t\t */\n\t    Tone.Convolver.prototype.dispose = function () {\n\t        Tone.Effect.prototype.dispose.call(this);\n\t        this._convolver.disconnect();\n\t        this._convolver = null;\n\t        this._buffer.dispose();\n\t        this._buffer = null;\n\t        return this;\n\t    };\n\t    return Tone.Convolver;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Tone.Distortion is a simple distortion effect using Tone.WaveShaper.\n\t\t *         Algorithm from [a stackoverflow answer](http://stackoverflow.com/a/22313408).\n\t\t *\n\t\t *  @extends {Tone.Effect}\n\t\t *  @constructor\n\t\t *  @param {Number|Object} [distortion] The amount of distortion (nominal range of 0-1)\n\t\t *  @example\n\t\t * var dist = new Tone.Distortion(0.8).toMaster();\n\t\t * var fm = new Tone.SimpleFM().connect(dist);\n\t\t * //this sounds good on bass notes\n\t\t * fm.triggerAttackRelease(\"A1\", \"8n\");\n\t\t */\n\t    Tone.Distortion = function () {\n\t        var options = this.optionsObject(arguments, ['distortion'], Tone.Distortion.defaults);\n\t        Tone.Effect.call(this, options);\n\t        /**\n\t\t\t *  @type {Tone.WaveShaper}\n\t\t\t *  @private\n\t\t\t */\n\t        this._shaper = new Tone.WaveShaper(4096);\n\t        /**\n\t\t\t * holds the distortion amount\n\t\t\t * @type {number}\n\t\t\t * @private\n\t\t\t */\n\t        this._distortion = options.distortion;\n\t        this.connectEffect(this._shaper);\n\t        this.distortion = options.distortion;\n\t        this.oversample = options.oversample;\n\t    };\n\t    Tone.extend(Tone.Distortion, Tone.Effect);\n\t    /**\n\t\t *  @static\n\t\t *  @const\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.Distortion.defaults = {\n\t        'distortion': 0.4,\n\t        'oversample': 'none'\n\t    };\n\t    /**\n\t\t * The amount of distortion.\n\t\t * @memberOf Tone.Distortion#\n\t\t * @type {NormalRange}\n\t\t * @name distortion\n\t\t */\n\t    Object.defineProperty(Tone.Distortion.prototype, 'distortion', {\n\t        get: function () {\n\t            return this._distortion;\n\t        },\n\t        set: function (amount) {\n\t            this._distortion = amount;\n\t            var k = amount * 100;\n\t            var deg = Math.PI / 180;\n\t            this._shaper.setMap(function (x) {\n\t                if (Math.abs(x) < 0.001) {\n\t                    //should output 0 when input is 0\n\t                    return 0;\n\t                } else {\n\t                    return (3 + k) * x * 20 * deg / (Math.PI + k * Math.abs(x));\n\t                }\n\t            });\n\t        }\n\t    });\n\t    /**\n\t\t * The oversampling of the effect. Can either be \"none\", \"2x\" or \"4x\".\n\t\t * @memberOf Tone.Distortion#\n\t\t * @type {string}\n\t\t * @name oversample\n\t\t */\n\t    Object.defineProperty(Tone.Distortion.prototype, 'oversample', {\n\t        get: function () {\n\t            return this._shaper.oversample;\n\t        },\n\t        set: function (oversampling) {\n\t            this._shaper.oversample = oversampling;\n\t        }\n\t    });\n\t    /**\n\t\t *  Clean up. \n\t\t *  @returns {Tone.Distortion} this\n\t\t */\n\t    Tone.Distortion.prototype.dispose = function () {\n\t        Tone.Effect.prototype.dispose.call(this);\n\t        this._shaper.dispose();\n\t        this._shaper = null;\n\t        return this;\n\t    };\n\t    return Tone.Distortion;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  Tone.FeedbackDelay is a DelayNode in which part of output\n\t\t *          signal is fed back into the delay. \n\t\t *\n\t\t *  @constructor\n\t\t *  @extends {Tone.FeedbackEffect}\n\t\t *  @param {Time|Object} [delayTime] The delay applied to the incoming signal. \n\t\t *  @param {NormalRange=} feedback The amount of the effected signal which \n\t\t *                            is fed back through the delay.\n\t\t *  @example\n\t\t * var feedbackDelay = new Tone.FeedbackDelay(\"8n\", 0.5).toMaster();\n\t\t * var tom = new Tone.DrumSynth({\n\t\t * \t\"octaves\" : 4,\n\t\t * \t\"pitchDecay\" : 0.1\n\t\t * }).connect(feedbackDelay);\n\t\t * tom.triggerAttackRelease(\"A2\",\"32n\");\n\t\t */\n\t    Tone.FeedbackDelay = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'delayTime',\n\t            'feedback'\n\t        ], Tone.FeedbackDelay.defaults);\n\t        Tone.FeedbackEffect.call(this, options);\n\t        /**\n\t\t\t *  the delay node\n\t\t\t *  @type {Tone.Delay}\n\t\t\t *  @private\n\t\t\t */\n\t        this._delayNode = new Tone.Delay(options.delayTime);\n\t        /**\n\t\t\t *  The delayTime of the DelayNode. \n\t\t\t *  @type {Time}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.delayTime = this._delayNode.delayTime;\n\t        // connect it up\n\t        this.connectEffect(this._delayNode);\n\t        this._readOnly(['delayTime']);\n\t    };\n\t    Tone.extend(Tone.FeedbackDelay, Tone.FeedbackEffect);\n\t    /**\n\t\t *  The default values. \n\t\t *  @const\n\t\t *  @static\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.FeedbackDelay.defaults = { 'delayTime': 0.25 };\n\t    /**\n\t\t *  clean up\n\t\t *  @returns {Tone.FeedbackDelay} this\n\t\t */\n\t    Tone.FeedbackDelay.prototype.dispose = function () {\n\t        Tone.FeedbackEffect.prototype.dispose.call(this);\n\t        this._delayNode.dispose();\n\t        this._delayNode = null;\n\t        this._writable(['delayTime']);\n\t        this.delayTime = null;\n\t        return this;\n\t    };\n\t    return Tone.FeedbackDelay;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  an array of comb filter delay values from Freeverb implementation\n\t\t *  @static\n\t\t *  @private\n\t\t *  @type {Array}\n\t\t */\n\t    var combFilterTunings = [\n\t        1557 / 44100,\n\t        1617 / 44100,\n\t        1491 / 44100,\n\t        1422 / 44100,\n\t        1277 / 44100,\n\t        1356 / 44100,\n\t        1188 / 44100,\n\t        1116 / 44100\n\t    ];\n\t    /**\n\t\t *  an array of allpass filter frequency values from Freeverb implementation\n\t\t *  @private\n\t\t *  @static\n\t\t *  @type {Array}\n\t\t */\n\t    var allpassFilterFrequencies = [\n\t        225,\n\t        556,\n\t        441,\n\t        341\n\t    ];\n\t    /**\n\t\t *  @class Tone.Freeverb is a reverb based on [Freeverb](https://ccrma.stanford.edu/~jos/pasp/Freeverb.html).\n\t\t *         Read more on reverb on [SoundOnSound](http://www.soundonsound.com/sos/may00/articles/reverb.htm).\n\t\t *\n\t\t *  @extends {Tone.Effect}\n\t\t *  @constructor\n\t\t *  @param {NormalRange|Object} [roomSize] Correlated to the decay time. \n\t\t *  @param {Frequency} [dampening] The cutoff frequency of a lowpass filter as part \n\t\t *                                 of the reverb. \n\t\t *  @example\n\t\t * var freeverb = new Tone.Freeverb().toMaster();\n\t\t * freeverb.dampening.value = 1000;\n\t\t * //routing synth through the reverb\n\t\t * var synth = new Tone.AMSynth().connect(freeverb);\n\t\t */\n\t    Tone.Freeverb = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'roomSize',\n\t            'dampening'\n\t        ], Tone.Freeverb.defaults);\n\t        Tone.StereoEffect.call(this, options);\n\t        /**\n\t\t\t *  The roomSize value between. A larger roomSize\n\t\t\t *  will result in a longer decay. \n\t\t\t *  @type {NormalRange}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.roomSize = new Tone.Signal(options.roomSize, Tone.Type.NormalRange);\n\t        /**\n\t\t\t *  The amount of dampening of the reverberant signal. \n\t\t\t *  @type {Frequency}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.dampening = new Tone.Signal(options.dampening, Tone.Type.Frequency);\n\t        /**\n\t\t\t *  the comb filters\n\t\t\t *  @type {Array}\n\t\t\t *  @private\n\t\t\t */\n\t        this._combFilters = [];\n\t        /**\n\t\t\t *  the allpass filters on the left\n\t\t\t *  @type {Array}\n\t\t\t *  @private\n\t\t\t */\n\t        this._allpassFiltersL = [];\n\t        /**\n\t\t\t *  the allpass filters on the right\n\t\t\t *  @type {Array}\n\t\t\t *  @private\n\t\t\t */\n\t        this._allpassFiltersR = [];\n\t        //make the allpass filters on the right\n\t        for (var l = 0; l < allpassFilterFrequencies.length; l++) {\n\t            var allpassL = this.context.createBiquadFilter();\n\t            allpassL.type = 'allpass';\n\t            allpassL.frequency.value = allpassFilterFrequencies[l];\n\t            this._allpassFiltersL.push(allpassL);\n\t        }\n\t        //make the allpass filters on the left\n\t        for (var r = 0; r < allpassFilterFrequencies.length; r++) {\n\t            var allpassR = this.context.createBiquadFilter();\n\t            allpassR.type = 'allpass';\n\t            allpassR.frequency.value = allpassFilterFrequencies[r];\n\t            this._allpassFiltersR.push(allpassR);\n\t        }\n\t        //make the comb filters\n\t        for (var c = 0; c < combFilterTunings.length; c++) {\n\t            var lfpf = new Tone.LowpassCombFilter(combFilterTunings[c]);\n\t            if (c < combFilterTunings.length / 2) {\n\t                this.effectSendL.chain(lfpf, this._allpassFiltersL[0]);\n\t            } else {\n\t                this.effectSendR.chain(lfpf, this._allpassFiltersR[0]);\n\t            }\n\t            this.roomSize.connect(lfpf.resonance);\n\t            this.dampening.connect(lfpf.dampening);\n\t            this._combFilters.push(lfpf);\n\t        }\n\t        //chain the allpass filters togetehr\n\t        this.connectSeries.apply(this, this._allpassFiltersL);\n\t        this.connectSeries.apply(this, this._allpassFiltersR);\n\t        this._allpassFiltersL[this._allpassFiltersL.length - 1].connect(this.effectReturnL);\n\t        this._allpassFiltersR[this._allpassFiltersR.length - 1].connect(this.effectReturnR);\n\t        this._readOnly([\n\t            'roomSize',\n\t            'dampening'\n\t        ]);\n\t    };\n\t    Tone.extend(Tone.Freeverb, Tone.StereoEffect);\n\t    /**\n\t\t *  @static\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.Freeverb.defaults = {\n\t        'roomSize': 0.7,\n\t        'dampening': 3000\n\t    };\n\t    /**\n\t\t *  Clean up. \n\t\t *  @returns {Tone.Freeverb} this\n\t\t */\n\t    Tone.Freeverb.prototype.dispose = function () {\n\t        Tone.StereoEffect.prototype.dispose.call(this);\n\t        for (var al = 0; al < this._allpassFiltersL.length; al++) {\n\t            this._allpassFiltersL[al].disconnect();\n\t            this._allpassFiltersL[al] = null;\n\t        }\n\t        this._allpassFiltersL = null;\n\t        for (var ar = 0; ar < this._allpassFiltersR.length; ar++) {\n\t            this._allpassFiltersR[ar].disconnect();\n\t            this._allpassFiltersR[ar] = null;\n\t        }\n\t        this._allpassFiltersR = null;\n\t        for (var cf = 0; cf < this._combFilters.length; cf++) {\n\t            this._combFilters[cf].dispose();\n\t            this._combFilters[cf] = null;\n\t        }\n\t        this._combFilters = null;\n\t        this._writable([\n\t            'roomSize',\n\t            'dampening'\n\t        ]);\n\t        this.roomSize.dispose();\n\t        this.roomSize = null;\n\t        this.dampening.dispose();\n\t        this.dampening = null;\n\t        return this;\n\t    };\n\t    return Tone.Freeverb;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  an array of the comb filter delay time values\n\t\t *  @private\n\t\t *  @static\n\t\t *  @type {Array}\n\t\t */\n\t    var combFilterDelayTimes = [\n\t        1687 / 25000,\n\t        1601 / 25000,\n\t        2053 / 25000,\n\t        2251 / 25000\n\t    ];\n\t    /**\n\t\t *  the resonances of each of the comb filters\n\t\t *  @private\n\t\t *  @static\n\t\t *  @type {Array}\n\t\t */\n\t    var combFilterResonances = [\n\t        0.773,\n\t        0.802,\n\t        0.753,\n\t        0.733\n\t    ];\n\t    /**\n\t\t *  the allpass filter frequencies\n\t\t *  @private\n\t\t *  @static\n\t\t *  @type {Array}\n\t\t */\n\t    var allpassFilterFreqs = [\n\t        347,\n\t        113,\n\t        37\n\t    ];\n\t    /**\n\t\t *  @class Tone.JCReverb is a simple [Schroeder Reverberator](https://ccrma.stanford.edu/~jos/pasp/Schroeder_Reverberators.html)\n\t\t *         tuned by John Chowning in 1970.\n\t\t *         It is made up of three allpass filters and four Tone.FeedbackCombFilter. \n\t\t *         \n\t\t *\n\t\t *  @extends {Tone.Effect}\n\t\t *  @constructor\n\t\t *  @param {NormalRange|Object} [roomSize] Coorelates to the decay time.\n\t\t *  @example\n\t\t * var reverb = new Tone.JCReverb(0.4).connect(Tone.Master);\n\t\t * var delay = new Tone.FeedbackDelay(0.5); \n\t\t * //connecting the synth to reverb through delay\n\t\t * var synth = new Tone.DuoSynth().chain(delay, reverb);\n\t\t * synth.triggerAttackRelease(\"A4\",\"8n\");\n\t\t */\n\t    Tone.JCReverb = function () {\n\t        var options = this.optionsObject(arguments, ['roomSize'], Tone.JCReverb.defaults);\n\t        Tone.StereoEffect.call(this, options);\n\t        /**\n\t\t\t *  room size control values between [0,1]\n\t\t\t *  @type {NormalRange}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.roomSize = new Tone.Signal(options.roomSize, Tone.Type.NormalRange);\n\t        /**\n\t\t\t *  scale the room size\n\t\t\t *  @type {Tone.Scale}\n\t\t\t *  @private\n\t\t\t */\n\t        this._scaleRoomSize = new Tone.Scale(-0.733, 0.197);\n\t        /**\n\t\t\t *  a series of allpass filters\n\t\t\t *  @type {Array}\n\t\t\t *  @private\n\t\t\t */\n\t        this._allpassFilters = [];\n\t        /**\n\t\t\t *  parallel feedback comb filters\n\t\t\t *  @type {Array}\n\t\t\t *  @private\n\t\t\t */\n\t        this._feedbackCombFilters = [];\n\t        //make the allpass filters\n\t        for (var af = 0; af < allpassFilterFreqs.length; af++) {\n\t            var allpass = this.context.createBiquadFilter();\n\t            allpass.type = 'allpass';\n\t            allpass.frequency.value = allpassFilterFreqs[af];\n\t            this._allpassFilters.push(allpass);\n\t        }\n\t        //and the comb filters\n\t        for (var cf = 0; cf < combFilterDelayTimes.length; cf++) {\n\t            var fbcf = new Tone.FeedbackCombFilter(combFilterDelayTimes[cf], 0.1);\n\t            this._scaleRoomSize.connect(fbcf.resonance);\n\t            fbcf.resonance.value = combFilterResonances[cf];\n\t            this._allpassFilters[this._allpassFilters.length - 1].connect(fbcf);\n\t            if (cf < combFilterDelayTimes.length / 2) {\n\t                fbcf.connect(this.effectReturnL);\n\t            } else {\n\t                fbcf.connect(this.effectReturnR);\n\t            }\n\t            this._feedbackCombFilters.push(fbcf);\n\t        }\n\t        //chain the allpass filters together\n\t        this.roomSize.connect(this._scaleRoomSize);\n\t        this.connectSeries.apply(this, this._allpassFilters);\n\t        this.effectSendL.connect(this._allpassFilters[0]);\n\t        this.effectSendR.connect(this._allpassFilters[0]);\n\t        this._readOnly(['roomSize']);\n\t    };\n\t    Tone.extend(Tone.JCReverb, Tone.StereoEffect);\n\t    /**\n\t\t *  the default values\n\t\t *  @static\n\t\t *  @const\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.JCReverb.defaults = { 'roomSize': 0.5 };\n\t    /**\n\t\t *  Clean up. \n\t\t *  @returns {Tone.JCReverb} this\n\t\t */\n\t    Tone.JCReverb.prototype.dispose = function () {\n\t        Tone.StereoEffect.prototype.dispose.call(this);\n\t        for (var apf = 0; apf < this._allpassFilters.length; apf++) {\n\t            this._allpassFilters[apf].disconnect();\n\t            this._allpassFilters[apf] = null;\n\t        }\n\t        this._allpassFilters = null;\n\t        for (var fbcf = 0; fbcf < this._feedbackCombFilters.length; fbcf++) {\n\t            this._feedbackCombFilters[fbcf].dispose();\n\t            this._feedbackCombFilters[fbcf] = null;\n\t        }\n\t        this._feedbackCombFilters = null;\n\t        this._writable(['roomSize']);\n\t        this.roomSize.dispose();\n\t        this.roomSize = null;\n\t        this._scaleRoomSize.dispose();\n\t        this._scaleRoomSize = null;\n\t        return this;\n\t    };\n\t    return Tone.JCReverb;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Mid/Side processing separates the the 'mid' signal \n\t\t *         (which comes out of both the left and the right channel) \n\t\t *         and the 'side' (which only comes out of the the side channels) \n\t\t *         and effects them separately before being recombined.\n\t\t *         Applies a Mid/Side seperation and recombination.\n\t\t *         Algorithm found in [kvraudio forums](http://www.kvraudio.com/forum/viewtopic.php?t=212587).\n\t\t *         <br><br>\n\t\t *         This is a base-class for Mid/Side Effects. \n\t\t *\n\t\t *  @extends {Tone.Effect}\n\t\t *  @constructor\n\t\t */\n\t    Tone.MidSideEffect = function () {\n\t        Tone.Effect.apply(this, arguments);\n\t        /**\n\t\t\t *  The mid/side split\n\t\t\t *  @type  {Tone.MidSideSplit}\n\t\t\t *  @private\n\t\t\t */\n\t        this._midSideSplit = new Tone.MidSideSplit();\n\t        /**\n\t\t\t *  The mid/side merge\n\t\t\t *  @type  {Tone.MidSideMerge}\n\t\t\t *  @private\n\t\t\t */\n\t        this._midSideMerge = new Tone.MidSideMerge();\n\t        /**\n\t\t\t *  The mid send. Connect to mid processing\n\t\t\t *  @type {Tone.Expr}\n\t\t\t *  @private\n\t\t\t */\n\t        this.midSend = this._midSideSplit.mid;\n\t        /**\n\t\t\t *  The side send. Connect to side processing\n\t\t\t *  @type {Tone.Expr}\n\t\t\t *  @private\n\t\t\t */\n\t        this.sideSend = this._midSideSplit.side;\n\t        /**\n\t\t\t *  The mid return connection\n\t\t\t *  @type {GainNode}\n\t\t\t *  @private\n\t\t\t */\n\t        this.midReturn = this._midSideMerge.mid;\n\t        /**\n\t\t\t *  The side return connection\n\t\t\t *  @type {GainNode}\n\t\t\t *  @private\n\t\t\t */\n\t        this.sideReturn = this._midSideMerge.side;\n\t        //the connections\n\t        this.effectSend.connect(this._midSideSplit);\n\t        this._midSideMerge.connect(this.effectReturn);\n\t    };\n\t    Tone.extend(Tone.MidSideEffect, Tone.Effect);\n\t    /**\n\t\t *  Clean up. \n\t\t *  @returns {Tone.MidSideEffect} this\n\t\t */\n\t    Tone.MidSideEffect.prototype.dispose = function () {\n\t        Tone.Effect.prototype.dispose.call(this);\n\t        this._midSideSplit.dispose();\n\t        this._midSideSplit = null;\n\t        this._midSideMerge.dispose();\n\t        this._midSideMerge = null;\n\t        this.midSend = null;\n\t        this.sideSend = null;\n\t        this.midReturn = null;\n\t        this.sideReturn = null;\n\t        return this;\n\t    };\n\t    return Tone.MidSideEffect;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Tone.Phaser is a phaser effect. Phasers work by changing the phase\n\t\t *         of different frequency components of an incoming signal. Read more on \n\t\t *         [Wikipedia](https://en.wikipedia.org/wiki/Phaser_(effect)). \n\t\t *         Inspiration for this phaser comes from [Tuna.js](https://github.com/Dinahmoe/tuna/).\n\t\t *\n\t\t *\t@extends {Tone.StereoEffect}\n\t\t *\t@constructor\n\t\t *\t@param {Frequency|Object} [frequency] The speed of the phasing. \n\t\t *\t@param {number} [octaves] The octaves of the effect. \n\t\t *\t@param {Frequency} [baseFrequency] The base frequency of the filters. \n\t\t *\t@example\n\t\t * var phaser = new Tone.Phaser({\n\t\t * \t\"frequency\" : 15, \n\t\t * \t\"octaves\" : 5, \n\t\t * \t\"baseFrequency\" : 1000\n\t\t * }).toMaster();\n\t\t * var synth = new Tone.FMSynth().connect(phaser);\n\t\t * synth.triggerAttackRelease(\"E3\", \"2n\");\n\t\t */\n\t    Tone.Phaser = function () {\n\t        //set the defaults\n\t        var options = this.optionsObject(arguments, [\n\t            'frequency',\n\t            'octaves',\n\t            'baseFrequency'\n\t        ], Tone.Phaser.defaults);\n\t        Tone.StereoEffect.call(this, options);\n\t        /**\n\t\t\t *  the lfo which controls the frequency on the left side\n\t\t\t *  @type {Tone.LFO}\n\t\t\t *  @private\n\t\t\t */\n\t        this._lfoL = new Tone.LFO(options.frequency, 0, 1);\n\t        /**\n\t\t\t *  the lfo which controls the frequency on the right side\n\t\t\t *  @type {Tone.LFO}\n\t\t\t *  @private\n\t\t\t */\n\t        this._lfoR = new Tone.LFO(options.frequency, 0, 1);\n\t        this._lfoR.phase = 180;\n\t        /**\n\t\t\t *  the base modulation frequency\n\t\t\t *  @type {number}\n\t\t\t *  @private\n\t\t\t */\n\t        this._baseFrequency = options.baseFrequency;\n\t        /**\n\t\t\t *  the octaves of the phasing\n\t\t\t *  @type {number}\n\t\t\t *  @private\n\t\t\t */\n\t        this._octaves = options.octaves;\n\t        /**\n\t\t\t *  The quality factor of the filters\n\t\t\t *  @type {Positive}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.Q = new Tone.Signal(options.Q, Tone.Type.Positive);\n\t        /**\n\t\t\t *  the array of filters for the left side\n\t\t\t *  @type {Array}\n\t\t\t *  @private\n\t\t\t */\n\t        this._filtersL = this._makeFilters(options.stages, this._lfoL, this.Q);\n\t        /**\n\t\t\t *  the array of filters for the left side\n\t\t\t *  @type {Array}\n\t\t\t *  @private\n\t\t\t */\n\t        this._filtersR = this._makeFilters(options.stages, this._lfoR, this.Q);\n\t        /**\n\t\t\t * the frequency of the effect\n\t\t\t * @type {Tone.Signal}\n\t\t\t */\n\t        this.frequency = this._lfoL.frequency;\n\t        this.frequency.value = options.frequency;\n\t        //connect them up\n\t        this.effectSendL.connect(this._filtersL[0]);\n\t        this.effectSendR.connect(this._filtersR[0]);\n\t        this._filtersL[options.stages - 1].connect(this.effectReturnL);\n\t        this._filtersR[options.stages - 1].connect(this.effectReturnR);\n\t        //control the frequency with one LFO\n\t        this._lfoL.frequency.connect(this._lfoR.frequency);\n\t        //set the options\n\t        this.baseFrequency = options.baseFrequency;\n\t        this.octaves = options.octaves;\n\t        //start the lfo\n\t        this._lfoL.start();\n\t        this._lfoR.start();\n\t        this._readOnly([\n\t            'frequency',\n\t            'Q'\n\t        ]);\n\t    };\n\t    Tone.extend(Tone.Phaser, Tone.StereoEffect);\n\t    /**\n\t\t *  defaults\n\t\t *  @static\n\t\t *  @type {object}\n\t\t */\n\t    Tone.Phaser.defaults = {\n\t        'frequency': 0.5,\n\t        'octaves': 3,\n\t        'stages': 10,\n\t        'Q': 10,\n\t        'baseFrequency': 350\n\t    };\n\t    /**\n\t\t *  @param {number} stages\n\t\t *  @returns {Array} the number of filters all connected together\n\t\t *  @private\n\t\t */\n\t    Tone.Phaser.prototype._makeFilters = function (stages, connectToFreq, Q) {\n\t        var filters = new Array(stages);\n\t        //make all the filters\n\t        for (var i = 0; i < stages; i++) {\n\t            var filter = this.context.createBiquadFilter();\n\t            filter.type = 'allpass';\n\t            Q.connect(filter.Q);\n\t            connectToFreq.connect(filter.frequency);\n\t            filters[i] = filter;\n\t        }\n\t        this.connectSeries.apply(this, filters);\n\t        return filters;\n\t    };\n\t    /**\n\t\t * The number of octaves the phase goes above\n\t\t * the baseFrequency\n\t\t * @memberOf Tone.Phaser#\n\t\t * @type {Positive}\n\t\t * @name octaves\n\t\t */\n\t    Object.defineProperty(Tone.Phaser.prototype, 'octaves', {\n\t        get: function () {\n\t            return this._octaves;\n\t        },\n\t        set: function (octaves) {\n\t            this._octaves = octaves;\n\t            var max = this._baseFrequency * Math.pow(2, octaves);\n\t            this._lfoL.max = max;\n\t            this._lfoR.max = max;\n\t        }\n\t    });\n\t    /**\n\t\t * The the base frequency of the filters. \n\t\t * @memberOf Tone.Phaser#\n\t\t * @type {number}\n\t\t * @name baseFrequency\n\t\t */\n\t    Object.defineProperty(Tone.Phaser.prototype, 'baseFrequency', {\n\t        get: function () {\n\t            return this._baseFrequency;\n\t        },\n\t        set: function (freq) {\n\t            this._baseFrequency = freq;\n\t            this._lfoL.min = freq;\n\t            this._lfoR.min = freq;\n\t            this.octaves = this._octaves;\n\t        }\n\t    });\n\t    /**\n\t\t *  clean up\n\t\t *  @returns {Tone.Phaser} this\n\t\t */\n\t    Tone.Phaser.prototype.dispose = function () {\n\t        Tone.StereoEffect.prototype.dispose.call(this);\n\t        this._writable([\n\t            'frequency',\n\t            'Q'\n\t        ]);\n\t        this.Q.dispose();\n\t        this.Q = null;\n\t        this._lfoL.dispose();\n\t        this._lfoL = null;\n\t        this._lfoR.dispose();\n\t        this._lfoR = null;\n\t        for (var i = 0; i < this._filtersL.length; i++) {\n\t            this._filtersL[i].disconnect();\n\t            this._filtersL[i] = null;\n\t        }\n\t        this._filtersL = null;\n\t        for (var j = 0; j < this._filtersR.length; j++) {\n\t            this._filtersR[j].disconnect();\n\t            this._filtersR[j] = null;\n\t        }\n\t        this._filtersR = null;\n\t        this.frequency = null;\n\t        return this;\n\t    };\n\t    return Tone.Phaser;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  Tone.PingPongDelay is a feedback delay effect where the echo is heard\n\t\t *          first in one channel and next in the opposite channel. In a stereo\n\t\t *          system these are the right and left channels.\n\t\t *          PingPongDelay in more simplified terms is two Tone.FeedbackDelays \n\t\t *          with independent delay values. Each delay is routed to one channel\n\t\t *          (left or right), and the channel triggered second will always \n\t\t *          trigger at the same interval after the first.\n\t\t *\n\t\t * \t@constructor\n\t\t * \t@extends {Tone.StereoXFeedbackEffect}\n\t\t *  @param {Time|Object} [delayTime] The delayTime between consecutive echos.\n\t\t *  @param {NormalRange=} feedback The amount of the effected signal which \n\t\t *                                 is fed back through the delay.\n\t\t *  @example\n\t\t * var pingPong = new Tone.PingPongDelay(\"4n\", 0.2).toMaster();\n\t\t * var drum = new Tone.DrumSynth().connect(pingPong);\n\t\t * drum.triggerAttackRelease(\"C4\", \"32n\");\n\t\t */\n\t    Tone.PingPongDelay = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'delayTime',\n\t            'feedback'\n\t        ], Tone.PingPongDelay.defaults);\n\t        Tone.StereoXFeedbackEffect.call(this, options);\n\t        /**\n\t\t\t *  the delay node on the left side\n\t\t\t *  @type {Tone.Delay}\n\t\t\t *  @private\n\t\t\t */\n\t        this._leftDelay = new Tone.Delay(0, options.maxDelayTime);\n\t        /**\n\t\t\t *  the delay node on the right side\n\t\t\t *  @type {Tone.Delay}\n\t\t\t *  @private\n\t\t\t */\n\t        this._rightDelay = new Tone.Delay(0, options.maxDelayTime);\n\t        /**\n\t\t\t *  the predelay on the right side\n\t\t\t *  @type {Tone.Delay}\n\t\t\t *  @private\n\t\t\t */\n\t        this._rightPreDelay = new Tone.Delay(0, options.maxDelayTime);\n\t        /**\n\t\t\t *  the delay time signal\n\t\t\t *  @type {Time}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.delayTime = new Tone.Signal(options.delayTime, Tone.Type.Time);\n\t        //connect it up\n\t        this.effectSendL.chain(this._leftDelay, this.effectReturnL);\n\t        this.effectSendR.chain(this._rightPreDelay, this._rightDelay, this.effectReturnR);\n\t        this.delayTime.fan(this._leftDelay.delayTime, this._rightDelay.delayTime, this._rightPreDelay.delayTime);\n\t        //rearranged the feedback to be after the rightPreDelay\n\t        this._feedbackLR.disconnect();\n\t        this._feedbackLR.connect(this._rightDelay);\n\t        this._readOnly(['delayTime']);\n\t    };\n\t    Tone.extend(Tone.PingPongDelay, Tone.StereoXFeedbackEffect);\n\t    /**\n\t\t *  @static\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.PingPongDelay.defaults = {\n\t        'delayTime': 0.25,\n\t        'maxDelayTime': 1\n\t    };\n\t    /**\n\t\t *  Clean up. \n\t\t *  @returns {Tone.PingPongDelay} this\n\t\t */\n\t    Tone.PingPongDelay.prototype.dispose = function () {\n\t        Tone.StereoXFeedbackEffect.prototype.dispose.call(this);\n\t        this._leftDelay.dispose();\n\t        this._leftDelay = null;\n\t        this._rightDelay.dispose();\n\t        this._rightDelay = null;\n\t        this._rightPreDelay.dispose();\n\t        this._rightPreDelay = null;\n\t        this._writable(['delayTime']);\n\t        this.delayTime.dispose();\n\t        this.delayTime = null;\n\t        return this;\n\t    };\n\t    return Tone.PingPongDelay;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Tone.PitchShift does near-realtime pitch shifting to the incoming signal. \n\t\t *         The effect is achieved by speeding up or slowing down the delayTime\n\t\t *         of a DelayNode using a sawtooth wave. \n\t\t *         Algorithm found in [this pdf](http://dsp-book.narod.ru/soundproc.pdf).\n\t\t *         Additional reference by [Miller Pucket](http://msp.ucsd.edu/techniques/v0.11/book-html/node115.html).\n\t\t *         \n\t\t *  @extends {Tone.FeedbackEffect}\n\t\t *  @param {Interval=} pitch The interval to transpose the incoming signal by. \n\t\t */\n\t    Tone.PitchShift = function () {\n\t        var options = this.optionsObject(arguments, ['pitch'], Tone.PitchShift.defaults);\n\t        Tone.FeedbackEffect.call(this, options);\n\t        /**\n\t\t\t *  The pitch signal\n\t\t\t *  @type  {Tone.Signal}\n\t\t\t *  @private\n\t\t\t */\n\t        this._frequency = new Tone.Signal(0);\n\t        /**\n\t\t\t *  Uses two DelayNodes to cover up the jump in\n\t\t\t *  the sawtooth wave. \n\t\t\t *  @type  {DelayNode}\n\t\t\t *  @private\n\t\t\t */\n\t        this._delayA = new Tone.Delay(0, 1);\n\t        /**\n\t\t\t *  The first LFO.\n\t\t\t *  @type  {Tone.LFO}\n\t\t\t *  @private\n\t\t\t */\n\t        this._lfoA = new Tone.LFO({\n\t            'min': 0,\n\t            'max': 0.1,\n\t            'type': 'sawtooth'\n\t        }).connect(this._delayA.delayTime);\n\t        /**\n\t\t\t *  The second DelayNode\n\t\t\t *  @type  {DelayNode}\n\t\t\t *  @private\n\t\t\t */\n\t        this._delayB = new Tone.Delay(0, 1);\n\t        /**\n\t\t\t *  The first LFO.\n\t\t\t *  @type  {Tone.LFO}\n\t\t\t *  @private\n\t\t\t */\n\t        this._lfoB = new Tone.LFO({\n\t            'min': 0,\n\t            'max': 0.1,\n\t            'type': 'sawtooth',\n\t            'phase': 180\n\t        }).connect(this._delayB.delayTime);\n\t        /**\n\t\t\t *  Crossfade quickly between the two delay lines\n\t\t\t *  to cover up the jump in the sawtooth wave\n\t\t\t *  @type  {Tone.CrossFade}\n\t\t\t *  @private\n\t\t\t */\n\t        this._crossFade = new Tone.CrossFade();\n\t        /**\n\t\t\t *  LFO which alternates between the two\n\t\t\t *  delay lines to cover up the disparity in the\n\t\t\t *  sawtooth wave. \n\t\t\t *  @type  {Tone.LFO}\n\t\t\t *  @private\n\t\t\t */\n\t        this._crossFadeLFO = new Tone.LFO({\n\t            'min': 0,\n\t            'max': 1,\n\t            'type': 'triangle',\n\t            'phase': 90\n\t        }).connect(this._crossFade.fade);\n\t        /**\n\t\t\t *  The delay node\n\t\t\t *  @type {Tone.Delay}\n\t\t\t *  @private\n\t\t\t */\n\t        this._feedbackDelay = new Tone.Delay(options.delayTime);\n\t        /**\n\t\t\t *  The amount of delay on the input signal\n\t\t\t *  @type {Time}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.delayTime = this._feedbackDelay.delayTime;\n\t        this._readOnly('delayTime');\n\t        /**\n\t\t\t *  Hold the current pitch\n\t\t\t *  @type {Number}\n\t\t\t *  @private\n\t\t\t */\n\t        this._pitch = options.pitch;\n\t        /**\n\t\t\t *  Hold the current windowSize\n\t\t\t *  @type {Number}\n\t\t\t *  @private\n\t\t\t */\n\t        this._windowSize = options.windowSize;\n\t        //connect the two delay lines up\n\t        this._delayA.connect(this._crossFade.a);\n\t        this._delayB.connect(this._crossFade.b);\n\t        //connect the frequency\n\t        this._frequency.fan(this._lfoA.frequency, this._lfoB.frequency, this._crossFadeLFO.frequency);\n\t        //route the input\n\t        this.effectSend.fan(this._delayA, this._delayB);\n\t        this._crossFade.chain(this._feedbackDelay, this.effectReturn);\n\t        //start the LFOs at the same time\n\t        var now = this.now();\n\t        this._lfoA.start(now);\n\t        this._lfoB.start(now);\n\t        this._crossFadeLFO.start(now);\n\t        //set the initial value\n\t        this.windowSize = this._windowSize;\n\t    };\n\t    Tone.extend(Tone.PitchShift, Tone.FeedbackEffect);\n\t    /**\n\t\t *  default values\n\t\t *  @static\n\t\t *  @type {Object}\n\t\t *  @const\n\t\t */\n\t    Tone.PitchShift.defaults = {\n\t        'pitch': 0,\n\t        'windowSize': 0.1,\n\t        'delayTime': 0,\n\t        'feedback': 0\n\t    };\n\t    /**\n\t\t * Repitch the incoming signal by some interval (measured\n\t\t * in semi-tones). \n\t\t * @memberOf Tone.PitchShift#\n\t\t * @type {Interval}\n\t\t * @name pitch\n\t\t * @example\n\t\t * pitchShift.pitch = -12; //down one octave\n\t\t * pitchShift.pitch = 7; //up a fifth\n\t\t */\n\t    Object.defineProperty(Tone.PitchShift.prototype, 'pitch', {\n\t        get: function () {\n\t            return this._pitch;\n\t        },\n\t        set: function (interval) {\n\t            this._pitch = interval;\n\t            var factor = 0;\n\t            if (interval < 0) {\n\t                this._lfoA.min = 0;\n\t                this._lfoA.max = this._windowSize;\n\t                this._lfoB.min = 0;\n\t                this._lfoB.max = this._windowSize;\n\t                factor = this.intervalToFrequencyRatio(interval - 1) + 1;\n\t            } else {\n\t                this._lfoA.min = this._windowSize;\n\t                this._lfoA.max = 0;\n\t                this._lfoB.min = this._windowSize;\n\t                this._lfoB.max = 0;\n\t                factor = this.intervalToFrequencyRatio(interval) - 1;\n\t            }\n\t            this._frequency.value = factor * (1.2 / this._windowSize);\n\t        }\n\t    });\n\t    /**\n\t\t * The window size corresponds roughly to the sample length in a looping sampler. \n\t\t * Smaller values are desirable for a less noticeable delay time of the pitch shifted\n\t\t * signal, but larger values will result in smoother pitch shifting for larger intervals. \n\t\t * A nominal range of 0.03 to 0.1 is recommended. \n\t\t * @memberOf Tone.PitchShift#\n\t\t * @type {Time}\n\t\t * @name windowSize\n\t\t * @example\n\t\t * pitchShift.windowSize = 0.1;\n\t\t */\n\t    Object.defineProperty(Tone.PitchShift.prototype, 'windowSize', {\n\t        get: function () {\n\t            return this._windowSize;\n\t        },\n\t        set: function (size) {\n\t            this._windowSize = this.toSeconds(size);\n\t            this.pitch = this._pitch;\n\t        }\n\t    });\n\t    /**\n\t\t *  Clean up.\n\t\t *  @return  {Tone.PitchShift}  this\n\t\t */\n\t    Tone.PitchShift.prototype.dispose = function () {\n\t        Tone.FeedbackEffect.prototype.dispose.call(this);\n\t        this._frequency.dispose();\n\t        this._frequency = null;\n\t        this._delayA.disconnect();\n\t        this._delayA = null;\n\t        this._delayB.disconnect();\n\t        this._delayB = null;\n\t        this._lfoA.dispose();\n\t        this._lfoA = null;\n\t        this._lfoB.dispose();\n\t        this._lfoB = null;\n\t        this._crossFade.dispose();\n\t        this._crossFade = null;\n\t        this._crossFadeLFO.dispose();\n\t        this._crossFadeLFO = null;\n\t        this._writable('delayTime');\n\t        this._feedbackDelay.dispose();\n\t        this._feedbackDelay = null;\n\t        this.delayTime = null;\n\t        return this;\n\t    };\n\t    return Tone.PitchShift;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Base class for stereo feedback effects where the effectReturn\n\t\t *         is fed back into the same channel. \n\t\t *\n\t\t *\t@constructor\n\t\t *\t@extends {Tone.FeedbackEffect}\n\t\t */\n\t    Tone.StereoFeedbackEffect = function () {\n\t        var options = this.optionsObject(arguments, ['feedback'], Tone.FeedbackEffect.defaults);\n\t        Tone.StereoEffect.call(this, options);\n\t        /**\n\t\t\t *  controls the amount of feedback\n\t\t\t *  @type {NormalRange}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.feedback = new Tone.Signal(options.feedback, Tone.Type.NormalRange);\n\t        /**\n\t\t\t *  the left side feeback\n\t\t\t *  @type {Tone.Gain}\n\t\t\t *  @private\n\t\t\t */\n\t        this._feedbackL = new Tone.Gain();\n\t        /**\n\t\t\t *  the right side feeback\n\t\t\t *  @type {Tone.Gain}\n\t\t\t *  @private\n\t\t\t */\n\t        this._feedbackR = new Tone.Gain();\n\t        //connect it up\n\t        this.effectReturnL.chain(this._feedbackL, this.effectSendL);\n\t        this.effectReturnR.chain(this._feedbackR, this.effectSendR);\n\t        this.feedback.fan(this._feedbackL.gain, this._feedbackR.gain);\n\t        this._readOnly(['feedback']);\n\t    };\n\t    Tone.extend(Tone.StereoFeedbackEffect, Tone.FeedbackEffect);\n\t    /**\n\t\t *  clean up\n\t\t *  @returns {Tone.StereoFeedbackEffect} this\n\t\t */\n\t    Tone.StereoFeedbackEffect.prototype.dispose = function () {\n\t        Tone.StereoEffect.prototype.dispose.call(this);\n\t        this._writable(['feedback']);\n\t        this.feedback.dispose();\n\t        this.feedback = null;\n\t        this._feedbackL.dispose();\n\t        this._feedbackL = null;\n\t        this._feedbackR.dispose();\n\t        this._feedbackR = null;\n\t        return this;\n\t    };\n\t    return Tone.StereoFeedbackEffect;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Applies a width factor to the mid/side seperation. \n\t\t *         0 is all mid and 1 is all side.\n\t\t *         Algorithm found in [kvraudio forums](http://www.kvraudio.com/forum/viewtopic.php?t=212587).\n\t\t *         <br><br>\n\t\t *         <code>\n\t\t *         Mid *= 2*(1-width)<br>\n\t\t *         Side *= 2*width\n\t\t *         </code>\n\t\t *\n\t\t *  @extends {Tone.MidSideEffect}\n\t\t *  @constructor\n\t\t *  @param {NormalRange|Object} [width] The stereo width. A width of 0 is mono and 1 is stereo. 0.5 is no change.\n\t\t */\n\t    Tone.StereoWidener = function () {\n\t        var options = this.optionsObject(arguments, ['width'], Tone.StereoWidener.defaults);\n\t        Tone.MidSideEffect.call(this, options);\n\t        /**\n\t\t\t *  The width control. 0 = 100% mid. 1 = 100% side. 0.5 = no change. \n\t\t\t *  @type {NormalRange}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.width = new Tone.Signal(options.width, Tone.Type.NormalRange);\n\t        /**\n\t\t\t *  Mid multiplier\n\t\t\t *  @type {Tone.Expr}\n\t\t\t *  @private\n\t\t\t */\n\t        this._midMult = new Tone.Expr('$0 * ($1 * (1 - $2))');\n\t        /**\n\t\t\t *  Side multiplier\n\t\t\t *  @type {Tone.Expr}\n\t\t\t *  @private\n\t\t\t */\n\t        this._sideMult = new Tone.Expr('$0 * ($1 * $2)');\n\t        /**\n\t\t\t *  constant output of 2\n\t\t\t *  @type {Tone}\n\t\t\t *  @private\n\t\t\t */\n\t        this._two = new Tone.Signal(2);\n\t        //the mid chain\n\t        this._two.connect(this._midMult, 0, 1);\n\t        this.width.connect(this._midMult, 0, 2);\n\t        //the side chain\n\t        this._two.connect(this._sideMult, 0, 1);\n\t        this.width.connect(this._sideMult, 0, 2);\n\t        //connect it to the effect send/return\n\t        this.midSend.chain(this._midMult, this.midReturn);\n\t        this.sideSend.chain(this._sideMult, this.sideReturn);\n\t        this._readOnly(['width']);\n\t    };\n\t    Tone.extend(Tone.StereoWidener, Tone.MidSideEffect);\n\t    /**\n\t\t *  the default values\n\t\t *  @static\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.StereoWidener.defaults = { 'width': 0.5 };\n\t    /**\n\t\t *  Clean up. \n\t\t *  @returns {Tone.StereoWidener} this\n\t\t */\n\t    Tone.StereoWidener.prototype.dispose = function () {\n\t        Tone.MidSideEffect.prototype.dispose.call(this);\n\t        this._writable(['width']);\n\t        this.width.dispose();\n\t        this.width = null;\n\t        this._midMult.dispose();\n\t        this._midMult = null;\n\t        this._sideMult.dispose();\n\t        this._sideMult = null;\n\t        this._two.dispose();\n\t        this._two = null;\n\t        return this;\n\t    };\n\t    return Tone.StereoWidener;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Tone.Tremolo modulates the amplitude of an incoming signal using a Tone.LFO.\n\t\t *         The type, frequency, and depth of the LFO is controllable.\n\t\t *\n\t\t *  @extends {Tone.StereoEffect}\n\t\t *  @constructor\n\t\t *  @param {Frequency} [frequency] The rate of the effect.\n\t\t *  @param {NormalRange} [depth] The depth of the effect.\n\t\t *  @example\n\t\t * //create a tremolo and start it's LFO\n\t\t * var tremolo = new Tone.Tremolo(9, 0.75).toMaster().start();\n\t\t * //route an oscillator through the tremolo and start it\n\t\t * var oscillator = new Tone.Oscillator().connect(tremolo).start();\n\t\t */\n\t    Tone.Tremolo = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'frequency',\n\t            'depth'\n\t        ], Tone.Tremolo.defaults);\n\t        Tone.StereoEffect.call(this, options);\n\t        /**\n\t\t\t *  The tremelo LFO in the left channel\n\t\t\t *  @type  {Tone.LFO}\n\t\t\t *  @private\n\t\t\t */\n\t        this._lfoL = new Tone.LFO({\n\t            'phase': options.spread,\n\t            'min': 1,\n\t            'max': 0\n\t        });\n\t        /**\n\t\t\t *  The tremelo LFO in the left channel\n\t\t\t *  @type  {Tone.LFO}\n\t\t\t *  @private\n\t\t\t */\n\t        this._lfoR = new Tone.LFO({\n\t            'phase': options.spread,\n\t            'min': 1,\n\t            'max': 0\n\t        });\n\t        /**\n\t\t\t *  Where the gain is multiplied\n\t\t\t *  @type  {Tone.Gain}\n\t\t\t *  @private\n\t\t\t */\n\t        this._amplitudeL = new Tone.Gain();\n\t        /**\n\t\t\t *  Where the gain is multiplied\n\t\t\t *  @type  {Tone.Gain}\n\t\t\t *  @private\n\t\t\t */\n\t        this._amplitudeR = new Tone.Gain();\n\t        /**\n\t\t\t *  The frequency of the tremolo.\n\t\t\t *  @type  {Frequency}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.frequency = new Tone.Signal(options.frequency, Tone.Type.Frequency);\n\t        /**\n\t\t\t *  The depth of the effect. A depth of 0, has no effect\n\t\t\t *  on the amplitude, and a depth of 1 makes the amplitude\n\t\t\t *  modulate fully between 0 and 1.\n\t\t\t *  @type  {NormalRange}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.depth = new Tone.Signal(options.depth, Tone.Type.NormalRange);\n\t        this._readOnly([\n\t            'frequency',\n\t            'depth'\n\t        ]);\n\t        this.effectSendL.chain(this._amplitudeL, this.effectReturnL);\n\t        this.effectSendR.chain(this._amplitudeR, this.effectReturnR);\n\t        this._lfoL.connect(this._amplitudeL.gain);\n\t        this._lfoR.connect(this._amplitudeR.gain);\n\t        this.frequency.fan(this._lfoL.frequency, this._lfoR.frequency);\n\t        this.depth.fan(this._lfoR.amplitude, this._lfoL.amplitude);\n\t        this.type = options.type;\n\t        this.spread = options.spread;\n\t    };\n\t    Tone.extend(Tone.Tremolo, Tone.StereoEffect);\n\t    /**\n\t\t *  @static\n\t\t *  @const\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.Tremolo.defaults = {\n\t        'frequency': 10,\n\t        'type': 'sine',\n\t        'depth': 0.5,\n\t        'spread': 180\n\t    };\n\t    /**\n\t\t * Start the tremolo.\n\t\t * @param {Time} [time=now] When the tremolo begins.\n\t\t * @returns {Tone.Tremolo} this\n\t\t */\n\t    Tone.Tremolo.prototype.start = function (time) {\n\t        this._lfoL.start(time);\n\t        this._lfoR.start(time);\n\t        return this;\n\t    };\n\t    /**\n\t\t * Stop the tremolo.\n\t\t * @param {Time} [time=now] When the tremolo stops.\n\t\t * @returns {Tone.Tremolo} this\n\t\t */\n\t    Tone.Tremolo.prototype.stop = function (time) {\n\t        this._lfoL.stop(time);\n\t        this._lfoR.stop(time);\n\t        return this;\n\t    };\n\t    /**\n\t\t * Sync the effect to the transport.\n\t\t * @param {Time} [delay=0] Delay time before starting the effect after the\n\t\t *                              Transport has started.\n\t\t * @returns {Tone.AutoFilter} this\n\t\t */\n\t    Tone.Tremolo.prototype.sync = function (delay) {\n\t        this._lfoL.sync(delay);\n\t        this._lfoR.sync(delay);\n\t        return this;\n\t    };\n\t    /**\n\t\t * Unsync the filter from the transport\n\t\t * @returns {Tone.Tremolo} this\n\t\t */\n\t    Tone.Tremolo.prototype.unsync = function () {\n\t        this._lfoL.unsync();\n\t        this._lfoR.unsync();\n\t        return this;\n\t    };\n\t    /**\n\t\t * The Tremolo's oscillator type.\n\t\t * @memberOf Tone.Tremolo#\n\t\t * @type {string}\n\t\t * @name type\n\t\t */\n\t    Object.defineProperty(Tone.Tremolo.prototype, 'type', {\n\t        get: function () {\n\t            return this._lfoL.type;\n\t        },\n\t        set: function (type) {\n\t            this._lfoL.type = type;\n\t            this._lfoR.type = type;\n\t        }\n\t    });\n\t    /** \n\t\t * Amount of stereo spread. When set to 0, both LFO's will be panned centrally.\n\t\t * When set to 180, LFO's will be panned hard left and right respectively.\n\t\t * @memberOf Tone.Tremolo#\n\t\t * @type {Degrees}\n\t\t * @name spread\n\t\t */\n\t    Object.defineProperty(Tone.Tremolo.prototype, 'spread', {\n\t        get: function () {\n\t            return this._lfoR.phase - this._lfoL.phase;    //180\n\t        },\n\t        set: function (spread) {\n\t            this._lfoL.phase = 90 - spread / 2;\n\t            this._lfoR.phase = spread / 2 + 90;\n\t        }\n\t    });\n\t    /**\n\t\t *  clean up\n\t\t *  @returns {Tone.Tremolo} this\n\t\t */\n\t    Tone.Tremolo.prototype.dispose = function () {\n\t        Tone.StereoEffect.prototype.dispose.call(this);\n\t        this._writable([\n\t            'frequency',\n\t            'depth'\n\t        ]);\n\t        this._lfoL.dispose();\n\t        this._lfoL = null;\n\t        this._lfoR.dispose();\n\t        this._lfoR = null;\n\t        this._amplitudeL.dispose();\n\t        this._amplitudeL = null;\n\t        this._amplitudeR.dispose();\n\t        this._amplitudeR = null;\n\t        this.frequency = null;\n\t        this.depth = null;\n\t        return this;\n\t    };\n\t    return Tone.Tremolo;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class A Vibrato effect composed of a Tone.Delay and a Tone.LFO. The LFO\n\t\t *         modulates the delayTime of the delay, causing the pitch to rise\n\t\t *         and fall. \n\t\t *  @extends {Tone.Effect}\n\t\t *  @param {Frequency} frequency The frequency of the vibrato.\n\t\t *  @param {NormalRange} depth The amount the pitch is modulated.\n\t\t */\n\t    Tone.Vibrato = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'frequency',\n\t            'depth'\n\t        ], Tone.Vibrato.defaults);\n\t        Tone.Effect.call(this, options);\n\t        /**\n\t\t\t *  The delay node used for the vibrato effect\n\t\t\t *  @type {Tone.Delay}\n\t\t\t *  @private\n\t\t\t */\n\t        this._delayNode = new Tone.Delay(0, options.maxDelay);\n\t        /**\n\t\t\t *  The LFO used to control the vibrato\n\t\t\t *  @type {Tone.LFO}\n\t\t\t *  @private\n\t\t\t */\n\t        this._lfo = new Tone.LFO({\n\t            'type': options.type,\n\t            'min': 0,\n\t            'max': options.maxDelay,\n\t            'frequency': options.frequency,\n\t            'phase': -90    //offse the phase so the resting position is in the center\n\t        }).start().connect(this._delayNode.delayTime);\n\t        /**\n\t\t\t *  The frequency of the vibrato\n\t\t\t *  @type {Frequency}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.frequency = this._lfo.frequency;\n\t        /**\n\t\t\t *  The depth of the vibrato. \n\t\t\t *  @type {NormalRange}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.depth = this._lfo.amplitude;\n\t        this.depth.value = options.depth;\n\t        this._readOnly([\n\t            'frequency',\n\t            'depth'\n\t        ]);\n\t        this.effectSend.chain(this._delayNode, this.effectReturn);\n\t    };\n\t    Tone.extend(Tone.Vibrato, Tone.Effect);\n\t    /**\n\t\t *  The defaults\n\t\t *  @type  {Object}\n\t\t *  @const\n\t\t */\n\t    Tone.Vibrato.defaults = {\n\t        'maxDelay': 0.005,\n\t        'frequency': 5,\n\t        'depth': 0.1,\n\t        'type': 'sine'\n\t    };\n\t    /**\n\t\t * Type of oscillator attached to the Vibrato.\n\t\t * @memberOf Tone.Vibrato#\n\t\t * @type {string}\n\t\t * @name type\n\t\t */\n\t    Object.defineProperty(Tone.Vibrato.prototype, 'type', {\n\t        get: function () {\n\t            return this._lfo.type;\n\t        },\n\t        set: function (type) {\n\t            this._lfo.type = type;\n\t        }\n\t    });\n\t    /**\n\t\t *  Clean up.\n\t\t *  @returns {Tone.Vibrato} this\n\t\t */\n\t    Tone.Vibrato.prototype.dispose = function () {\n\t        Tone.Effect.prototype.dispose.call(this);\n\t        this._delayNode.dispose();\n\t        this._delayNode = null;\n\t        this._lfo.dispose();\n\t        this._lfo = null;\n\t        this._writable([\n\t            'frequency',\n\t            'depth'\n\t        ]);\n\t        this.frequency = null;\n\t        this.depth = null;\n\t    };\n\t    return Tone.Vibrato;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  Tone.Event abstracts away Tone.Transport.schedule and provides a schedulable\n\t\t *          callback for a single or repeatable events along the timeline. \n\t\t *\n\t\t *  @extends {Tone}\n\t\t *  @param {function} callback The callback to invoke at the time. \n\t\t *  @param {*} value The value or values which should be passed to\n\t\t *                      the callback function on invocation.  \n\t\t *  @example\n\t\t * var chord = new Tone.Event(function(time, chord){\n\t\t * \t//the chord as well as the exact time of the event\n\t\t * \t//are passed in as arguments to the callback function\n\t\t * }, [\"D4\", \"E4\", \"F4\"]);\n\t\t * //start the chord at the beginning of the transport timeline\n\t\t * chord.start();\n\t\t * //loop it every measure for 8 measures\n\t\t * chord.loop = 8;\n\t\t * chord.loopEnd = \"1m\";\n\t\t */\n\t    Tone.Event = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'callback',\n\t            'value'\n\t        ], Tone.Event.defaults);\n\t        /**\n\t\t\t *  Loop value\n\t\t\t *  @type  {Boolean|Positive}\n\t\t\t *  @private\n\t\t\t */\n\t        this._loop = options.loop;\n\t        /**\n\t\t\t *  The callback to invoke. \n\t\t\t *  @type  {Function}\n\t\t\t */\n\t        this.callback = options.callback;\n\t        /**\n\t\t\t *  The value which is passed to the\n\t\t\t *  callback function.\n\t\t\t *  @type  {*}\n\t\t\t *  @private\n\t\t\t */\n\t        this.value = options.value;\n\t        /**\n\t\t\t *  When the note is scheduled to start.\n\t\t\t *  @type  {Number}\n\t\t\t *  @private\n\t\t\t */\n\t        this._loopStart = this.toTicks(options.loopStart);\n\t        /**\n\t\t\t *  When the note is scheduled to start.\n\t\t\t *  @type  {Number}\n\t\t\t *  @private\n\t\t\t */\n\t        this._loopEnd = this.toTicks(options.loopEnd);\n\t        /**\n\t\t\t *  Tracks the scheduled events\n\t\t\t *  @type {Tone.TimelineState}\n\t\t\t *  @private\n\t\t\t */\n\t        this._state = new Tone.TimelineState(Tone.State.Stopped);\n\t        /**\n\t\t\t *  The playback speed of the note. A speed of 1\n\t\t\t *  is no change. \n\t\t\t *  @private\n\t\t\t *  @type {Positive}\n\t\t\t */\n\t        this._playbackRate = 1;\n\t        /**\n\t\t\t *  A delay time from when the event is scheduled to start\n\t\t\t *  @type {Ticks}\n\t\t\t *  @private\n\t\t\t */\n\t        this._startOffset = 0;\n\t        /**\n\t\t\t *  The probability that the callback will be invoked\n\t\t\t *  at the scheduled time. \n\t\t\t *  @type {NormalRange}\n\t\t\t *  @example\n\t\t\t * //the callback will be invoked 50% of the time\n\t\t\t * event.probability = 0.5;\n\t\t\t */\n\t        this.probability = options.probability;\n\t        /**\n\t\t\t *  If set to true, will apply small (+/-0.02 seconds) random variation\n\t\t\t *  to the callback time. If the value is given as a time, it will randomize\n\t\t\t *  by that amount.\n\t\t\t *  @example\n\t\t\t * event.humanize = true;\n\t\t\t *  @type {Boolean|Time}\n\t\t\t */\n\t        this.humanize = options.humanize;\n\t        /**\n\t\t\t *  If mute is true, the callback won't be\n\t\t\t *  invoked.\n\t\t\t *  @type {Boolean}\n\t\t\t */\n\t        this.mute = options.mute;\n\t        //set the initial values\n\t        this.playbackRate = options.playbackRate;\n\t    };\n\t    Tone.extend(Tone.Event);\n\t    /**\n\t\t *  The default values\n\t\t *  @type  {Object}\n\t\t *  @const\n\t\t */\n\t    Tone.Event.defaults = {\n\t        'callback': Tone.noOp,\n\t        'loop': false,\n\t        'loopEnd': '1m',\n\t        'loopStart': 0,\n\t        'playbackRate': 1,\n\t        'value': null,\n\t        'probability': 1,\n\t        'mute': false,\n\t        'humanize': false\n\t    };\n\t    /**\n\t\t *  Reschedule all of the events along the timeline\n\t\t *  with the updated values.\n\t\t *  @param {Time} after Only reschedules events after the given time.\n\t\t *  @return  {Tone.Event}  this\n\t\t *  @private\n\t\t */\n\t    Tone.Event.prototype._rescheduleEvents = function (after) {\n\t        //if no argument is given, schedules all of the events\n\t        after = this.defaultArg(after, -1);\n\t        this._state.forEachFrom(after, function (event) {\n\t            var duration;\n\t            if (event.state === Tone.State.Started) {\n\t                if (!this.isUndef(event.id)) {\n\t                    Tone.Transport.clear(event.id);\n\t                }\n\t                var startTick = event.time + Math.round(this.startOffset / this._playbackRate);\n\t                if (this._loop) {\n\t                    duration = Infinity;\n\t                    if (this.isNumber(this._loop)) {\n\t                        duration = this._loop * this._getLoopDuration();\n\t                    }\n\t                    var nextEvent = this._state.getAfter(startTick);\n\t                    if (nextEvent !== null) {\n\t                        duration = Math.min(duration, nextEvent.time - startTick);\n\t                    }\n\t                    if (duration !== Infinity) {\n\t                        //schedule a stop since it's finite duration\n\t                        this._state.setStateAtTime(Tone.State.Stopped, startTick + duration + 1);\n\t                        duration = Tone.Time(duration, 'i');\n\t                    }\n\t                    var interval = Tone.Time(this._getLoopDuration(), 'i');\n\t                    event.id = Tone.Transport.scheduleRepeat(this._tick.bind(this), interval, Tone.TransportTime(startTick, 'i'), duration);\n\t                } else {\n\t                    event.id = Tone.Transport.schedule(this._tick.bind(this), startTick + 'i');\n\t                }\n\t            }\n\t        }.bind(this));\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Returns the playback state of the note, either \"started\" or \"stopped\".\n\t\t *  @type {String}\n\t\t *  @readOnly\n\t\t *  @memberOf Tone.Event#\n\t\t *  @name state\n\t\t */\n\t    Object.defineProperty(Tone.Event.prototype, 'state', {\n\t        get: function () {\n\t            return this._state.getValueAtTime(Tone.Transport.ticks);\n\t        }\n\t    });\n\t    /**\n\t\t *  The start from the scheduled start time\n\t\t *  @type {Ticks}\n\t\t *  @memberOf Tone.Event#\n\t\t *  @name startOffset\n\t\t *  @private\n\t\t */\n\t    Object.defineProperty(Tone.Event.prototype, 'startOffset', {\n\t        get: function () {\n\t            return this._startOffset;\n\t        },\n\t        set: function (offset) {\n\t            this._startOffset = offset;\n\t        }\n\t    });\n\t    /**\n\t\t *  Start the note at the given time. \n\t\t *  @param  {TimelinePosition}  time  When the note should start.\n\t\t *  @return  {Tone.Event}  this\n\t\t */\n\t    Tone.Event.prototype.start = function (time) {\n\t        time = this.toTicks(time);\n\t        if (this._state.getValueAtTime(time) === Tone.State.Stopped) {\n\t            this._state.add({\n\t                'state': Tone.State.Started,\n\t                'time': time,\n\t                'id': undefined\n\t            });\n\t            this._rescheduleEvents(time);\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Stop the Event at the given time.\n\t\t *  @param  {TimelinePosition}  time  When the note should stop.\n\t\t *  @return  {Tone.Event}  this\n\t\t */\n\t    Tone.Event.prototype.stop = function (time) {\n\t        this.cancel(time);\n\t        time = this.toTicks(time);\n\t        if (this._state.getValueAtTime(time) === Tone.State.Started) {\n\t            this._state.setStateAtTime(Tone.State.Stopped, time);\n\t            var previousEvent = this._state.getBefore(time);\n\t            var reschedulTime = time;\n\t            if (previousEvent !== null) {\n\t                reschedulTime = previousEvent.time;\n\t            }\n\t            this._rescheduleEvents(reschedulTime);\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Cancel all scheduled events greater than or equal to the given time\n\t\t *  @param  {TimelinePosition}  [time=0]  The time after which events will be cancel.\n\t\t *  @return  {Tone.Event}  this\n\t\t */\n\t    Tone.Event.prototype.cancel = function (time) {\n\t        time = this.defaultArg(time, -Infinity);\n\t        time = this.toTicks(time);\n\t        this._state.forEachFrom(time, function (event) {\n\t            Tone.Transport.clear(event.id);\n\t        });\n\t        this._state.cancel(time);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  The callback function invoker. Also \n\t\t *  checks if the Event is done playing\n\t\t *  @param  {Number}  time  The time of the event in seconds\n\t\t *  @private\n\t\t */\n\t    Tone.Event.prototype._tick = function (time) {\n\t        if (!this.mute && this._state.getValueAtTime(Tone.Transport.ticks) === Tone.State.Started) {\n\t            if (this.probability < 1 && Math.random() > this.probability) {\n\t                return;\n\t            }\n\t            if (this.humanize) {\n\t                var variation = 0.02;\n\t                if (!this.isBoolean(this.humanize)) {\n\t                    variation = this.toSeconds(this.humanize);\n\t                }\n\t                time += (Math.random() * 2 - 1) * variation;\n\t            }\n\t            this.callback(time, this.value);\n\t        }\n\t    };\n\t    /**\n\t\t *  Get the duration of the loop.\n\t\t *  @return  {Ticks}\n\t\t *  @private\n\t\t */\n\t    Tone.Event.prototype._getLoopDuration = function () {\n\t        return Math.round((this._loopEnd - this._loopStart) / this._playbackRate);\n\t    };\n\t    /**\n\t\t *  If the note should loop or not\n\t\t *  between Tone.Event.loopStart and \n\t\t *  Tone.Event.loopEnd. An integer\n\t\t *  value corresponds to the number of\n\t\t *  loops the Event does after it starts.\n\t\t *  @memberOf Tone.Event#\n\t\t *  @type {Boolean|Positive}\n\t\t *  @name loop\n\t\t */\n\t    Object.defineProperty(Tone.Event.prototype, 'loop', {\n\t        get: function () {\n\t            return this._loop;\n\t        },\n\t        set: function (loop) {\n\t            this._loop = loop;\n\t            this._rescheduleEvents();\n\t        }\n\t    });\n\t    /**\n\t\t * \tThe playback rate of the note. Defaults to 1.\n\t\t *  @memberOf Tone.Event#\n\t\t *  @type {Positive}\n\t\t *  @name playbackRate\n\t\t *  @example\n\t\t * note.loop = true;\n\t\t * //repeat the note twice as fast\n\t\t * note.playbackRate = 2;\n\t\t */\n\t    Object.defineProperty(Tone.Event.prototype, 'playbackRate', {\n\t        get: function () {\n\t            return this._playbackRate;\n\t        },\n\t        set: function (rate) {\n\t            this._playbackRate = rate;\n\t            this._rescheduleEvents();\n\t        }\n\t    });\n\t    /**\n\t\t *  The loopEnd point is the time the event will loop\n\t\t *  if Tone.Event.loop is true.\n\t\t *  @memberOf Tone.Event#\n\t\t *  @type {TransportTime}\n\t\t *  @name loopEnd\n\t\t */\n\t    Object.defineProperty(Tone.Event.prototype, 'loopEnd', {\n\t        get: function () {\n\t            return Tone.TransportTime(this._loopEnd, 'i').toNotation();\n\t        },\n\t        set: function (loopEnd) {\n\t            this._loopEnd = this.toTicks(loopEnd);\n\t            if (this._loop) {\n\t                this._rescheduleEvents();\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t *  The time when the loop should start. \n\t\t *  @memberOf Tone.Event#\n\t\t *  @type {TransportTime}\n\t\t *  @name loopStart\n\t\t */\n\t    Object.defineProperty(Tone.Event.prototype, 'loopStart', {\n\t        get: function () {\n\t            return Tone.TransportTime(this._loopStart, 'i').toNotation();\n\t        },\n\t        set: function (loopStart) {\n\t            this._loopStart = this.toTicks(loopStart);\n\t            if (this._loop) {\n\t                this._rescheduleEvents();\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t *  The current progress of the loop interval.\n\t\t *  Returns 0 if the event is not started yet or\n\t\t *  it is not set to loop.\n\t\t *  @memberOf Tone.Event#\n\t\t *  @type {NormalRange}\n\t\t *  @name progress\n\t\t *  @readOnly\n\t\t */\n\t    Object.defineProperty(Tone.Event.prototype, 'progress', {\n\t        get: function () {\n\t            if (this._loop) {\n\t                var ticks = Tone.Transport.ticks;\n\t                var lastEvent = this._state.get(ticks);\n\t                if (lastEvent !== null && lastEvent.state === Tone.State.Started) {\n\t                    var loopDuration = this._getLoopDuration();\n\t                    var progress = (ticks - lastEvent.time) % loopDuration;\n\t                    return progress / loopDuration;\n\t                } else {\n\t                    return 0;\n\t                }\n\t            } else {\n\t                return 0;\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t *  Clean up\n\t\t *  @return  {Tone.Event}  this\n\t\t */\n\t    Tone.Event.prototype.dispose = function () {\n\t        this.cancel();\n\t        this._state.dispose();\n\t        this._state = null;\n\t        this.callback = null;\n\t        this.value = null;\n\t    };\n\t    return Tone.Event;\n\t});\n\tModule(function (Tone) {\n\t    /**\n\t\t *  @class Tone.Loop creates a looped callback at the \n\t\t *         specified interval. The callback can be \n\t\t *         started, stopped and scheduled along\n\t\t *         the Transport's timeline. \n\t\t *  @example\n\t\t * var loop = new Tone.Loop(function(time){\n\t\t * \t//triggered every eighth note. \n\t\t * \tconsole.log(time);\n\t\t * }, \"8n\").start(0);\n\t\t * Tone.Transport.start();\n\t\t *  @extends {Tone}\n\t\t *  @param {Function} callback The callback to invoke with the event.\n\t\t *  @param {Time} interval The time between successive callback calls. \n\t\t */\n\t    Tone.Loop = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'callback',\n\t            'interval'\n\t        ], Tone.Loop.defaults);\n\t        /**\n\t\t\t *  The event which produces the callbacks\n\t\t\t */\n\t        this._event = new Tone.Event({\n\t            'callback': this._tick.bind(this),\n\t            'loop': true,\n\t            'loopEnd': options.interval,\n\t            'playbackRate': options.playbackRate,\n\t            'probability': options.probability\n\t        });\n\t        /**\n\t\t\t *  The callback to invoke with the next event in the pattern\n\t\t\t *  @type {Function}\n\t\t\t */\n\t        this.callback = options.callback;\n\t        //set the iterations\n\t        this.iterations = options.iterations;\n\t    };\n\t    Tone.extend(Tone.Loop);\n\t    /**\n\t\t *  The defaults\n\t\t *  @const\n\t\t *  @type  {Object}\n\t\t */\n\t    Tone.Loop.defaults = {\n\t        'interval': '4n',\n\t        'callback': Tone.noOp,\n\t        'playbackRate': 1,\n\t        'iterations': Infinity,\n\t        'probability': true,\n\t        'mute': false\n\t    };\n\t    /**\n\t\t *  Start the loop at the specified time along the Transport's\n\t\t *  timeline.\n\t\t *  @param  {TimelinePosition=}  time  When to start the Loop.\n\t\t *  @return  {Tone.Loop}  this\n\t\t */\n\t    Tone.Loop.prototype.start = function (time) {\n\t        this._event.start(time);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Stop the loop at the given time.\n\t\t *  @param  {TimelinePosition=}  time  When to stop the Arpeggio\n\t\t *  @return  {Tone.Loop}  this\n\t\t */\n\t    Tone.Loop.prototype.stop = function (time) {\n\t        this._event.stop(time);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Cancel all scheduled events greater than or equal to the given time\n\t\t *  @param  {TimelinePosition}  [time=0]  The time after which events will be cancel.\n\t\t *  @return  {Tone.Loop}  this\n\t\t */\n\t    Tone.Loop.prototype.cancel = function (time) {\n\t        this._event.cancel(time);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Internal function called when the notes should be called\n\t\t *  @param  {Number}  time  The time the event occurs\n\t\t *  @private\n\t\t */\n\t    Tone.Loop.prototype._tick = function (time) {\n\t        this.callback(time);\n\t    };\n\t    /**\n\t\t *  The state of the Loop, either started or stopped.\n\t\t *  @memberOf Tone.Loop#\n\t\t *  @type {String}\n\t\t *  @name state\n\t\t *  @readOnly\n\t\t */\n\t    Object.defineProperty(Tone.Loop.prototype, 'state', {\n\t        get: function () {\n\t            return this._event.state;\n\t        }\n\t    });\n\t    /**\n\t\t *  The progress of the loop as a value between 0-1. 0, when\n\t\t *  the loop is stopped or done iterating. \n\t\t *  @memberOf Tone.Loop#\n\t\t *  @type {NormalRange}\n\t\t *  @name progress\n\t\t *  @readOnly\n\t\t */\n\t    Object.defineProperty(Tone.Loop.prototype, 'progress', {\n\t        get: function () {\n\t            return this._event.progress;\n\t        }\n\t    });\n\t    /**\n\t\t *  The time between successive callbacks. \n\t\t *  @example\n\t\t * loop.interval = \"8n\"; //loop every 8n\n\t\t *  @memberOf Tone.Loop#\n\t\t *  @type {Time}\n\t\t *  @name interval\n\t\t */\n\t    Object.defineProperty(Tone.Loop.prototype, 'interval', {\n\t        get: function () {\n\t            return this._event.loopEnd;\n\t        },\n\t        set: function (interval) {\n\t            this._event.loopEnd = interval;\n\t        }\n\t    });\n\t    /**\n\t\t *  The playback rate of the loop. The normal playback rate is 1 (no change). \n\t\t *  A `playbackRate` of 2 would be twice as fast. \n\t\t *  @memberOf Tone.Loop#\n\t\t *  @type {Time}\n\t\t *  @name playbackRate\n\t\t */\n\t    Object.defineProperty(Tone.Loop.prototype, 'playbackRate', {\n\t        get: function () {\n\t            return this._event.playbackRate;\n\t        },\n\t        set: function (rate) {\n\t            this._event.playbackRate = rate;\n\t        }\n\t    });\n\t    /**\n\t\t *  Random variation +/-0.01s to the scheduled time. \n\t\t *  Or give it a time value which it will randomize by.\n\t\t *  @type {Boolean|Time}\n\t\t *  @memberOf Tone.Loop#\n\t\t *  @name humanize\n\t\t */\n\t    Object.defineProperty(Tone.Loop.prototype, 'humanize', {\n\t        get: function () {\n\t            return this._event.humanize;\n\t        },\n\t        set: function (variation) {\n\t            this._event.humanize = variation;\n\t        }\n\t    });\n\t    /**\n\t\t *  The probably of the callback being invoked.\n\t\t *  @memberOf Tone.Loop#\n\t\t *  @type {NormalRange}\n\t\t *  @name probability\n\t\t */\n\t    Object.defineProperty(Tone.Loop.prototype, 'probability', {\n\t        get: function () {\n\t            return this._event.probability;\n\t        },\n\t        set: function (prob) {\n\t            this._event.probability = prob;\n\t        }\n\t    });\n\t    /**\n\t\t *  Muting the Loop means that no callbacks are invoked.\n\t\t *  @memberOf Tone.Loop#\n\t\t *  @type {Boolean}\n\t\t *  @name mute\n\t\t */\n\t    Object.defineProperty(Tone.Loop.prototype, 'mute', {\n\t        get: function () {\n\t            return this._event.mute;\n\t        },\n\t        set: function (mute) {\n\t            this._event.mute = mute;\n\t        }\n\t    });\n\t    /**\n\t\t *  The number of iterations of the loop. The default\n\t\t *  value is Infinity (loop forever).\n\t\t *  @memberOf Tone.Loop#\n\t\t *  @type {Positive}\n\t\t *  @name iterations\n\t\t */\n\t    Object.defineProperty(Tone.Loop.prototype, 'iterations', {\n\t        get: function () {\n\t            if (this._event.loop === true) {\n\t                return Infinity;\n\t            } else {\n\t                return this._event.loop;\n\t            }\n\t            return this._pattern.index;\n\t        },\n\t        set: function (iters) {\n\t            if (iters === Infinity) {\n\t                this._event.loop = true;\n\t            } else {\n\t                this._event.loop = iters;\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t *  Clean up\n\t\t *  @return  {Tone.Loop}  this\n\t\t */\n\t    Tone.Loop.prototype.dispose = function () {\n\t        this._event.dispose();\n\t        this._event = null;\n\t        this.callback = null;\n\t    };\n\t    return Tone.Loop;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Tone.Part is a collection Tone.Events which can be\n\t\t *         started/stoped and looped as a single unit.\n\t\t *\n\t\t *  @extends {Tone.Event}\n\t\t *  @param {Function} callback The callback to invoke on each event\n\t\t *  @param {Array} events the array of events\n\t\t *  @example\n\t\t * var part = new Tone.Part(function(time, note){\n\t\t * \t//the notes given as the second element in the array\n\t\t * \t//will be passed in as the second argument\n\t\t * \tsynth.triggerAttackRelease(note, \"8n\", time);\n\t\t * }, [[0, \"C2\"], [\"0:2\", \"C3\"], [\"0:3:2\", \"G2\"]]);\n\t\t *  @example\n\t\t * //use an array of objects as long as the object has a \"time\" attribute\n\t\t * var part = new Tone.Part(function(time, value){\n\t\t * \t//the value is an object which contains both the note and the velocity\n\t\t * \tsynth.triggerAttackRelease(value.note, \"8n\", time, value.velocity);\n\t\t * }, [{\"time\" : 0, \"note\" : \"C3\", \"velocity\": 0.9}, \n\t\t * \t   {\"time\" : \"0:2\", \"note\" : \"C4\", \"velocity\": 0.5}\n\t\t * ]).start(0);\n\t\t */\n\t    Tone.Part = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'callback',\n\t            'events'\n\t        ], Tone.Part.defaults);\n\t        /**\n\t\t\t *  If the part is looping or not\n\t\t\t *  @type  {Boolean|Positive}\n\t\t\t *  @private\n\t\t\t */\n\t        this._loop = options.loop;\n\t        /**\n\t\t\t *  When the note is scheduled to start.\n\t\t\t *  @type  {Ticks}\n\t\t\t *  @private\n\t\t\t */\n\t        this._loopStart = this.toTicks(options.loopStart);\n\t        /**\n\t\t\t *  When the note is scheduled to start.\n\t\t\t *  @type  {Ticks}\n\t\t\t *  @private\n\t\t\t */\n\t        this._loopEnd = this.toTicks(options.loopEnd);\n\t        /**\n\t\t\t *  The playback rate of the part\n\t\t\t *  @type  {Positive}\n\t\t\t *  @private\n\t\t\t */\n\t        this._playbackRate = options.playbackRate;\n\t        /**\n\t\t\t *  private holder of probability value\n\t\t\t *  @type {NormalRange}\n\t\t\t *  @private\n\t\t\t */\n\t        this._probability = options.probability;\n\t        /**\n\t\t\t *  the amount of variation from the\n\t\t\t *  given time. \n\t\t\t *  @type {Boolean|Time}\n\t\t\t *  @private\n\t\t\t */\n\t        this._humanize = options.humanize;\n\t        /**\n\t\t\t *  The start offset\n\t\t\t *  @type {Ticks}\n\t\t\t *  @private\n\t\t\t */\n\t        this._startOffset = 0;\n\t        /**\n\t\t\t *  Keeps track of the current state\n\t\t\t *  @type {Tone.TimelineState}\n\t\t\t *  @private\n\t\t\t */\n\t        this._state = new Tone.TimelineState(Tone.State.Stopped);\n\t        /**\n\t\t\t *  An array of Objects. \n\t\t\t *  @type  {Array}\n\t\t\t *  @private\n\t\t\t */\n\t        this._events = [];\n\t        /**\n\t\t\t *  The callback to invoke at all the scheduled events.\n\t\t\t *  @type {Function}\n\t\t\t */\n\t        this.callback = options.callback;\n\t        /**\n\t\t\t *  If mute is true, the callback won't be\n\t\t\t *  invoked.\n\t\t\t *  @type {Boolean}\n\t\t\t */\n\t        this.mute = options.mute;\n\t        //add the events\n\t        var events = this.defaultArg(options.events, []);\n\t        if (!this.isUndef(options.events)) {\n\t            for (var i = 0; i < events.length; i++) {\n\t                if (Array.isArray(events[i])) {\n\t                    this.add(events[i][0], events[i][1]);\n\t                } else {\n\t                    this.add(events[i]);\n\t                }\n\t            }\n\t        }\n\t    };\n\t    Tone.extend(Tone.Part, Tone.Event);\n\t    /**\n\t\t *  The default values\n\t\t *  @type  {Object}\n\t\t *  @const\n\t\t */\n\t    Tone.Part.defaults = {\n\t        'callback': Tone.noOp,\n\t        'loop': false,\n\t        'loopEnd': '1m',\n\t        'loopStart': 0,\n\t        'playbackRate': 1,\n\t        'probability': 1,\n\t        'humanize': false,\n\t        'mute': false\n\t    };\n\t    /**\n\t\t *  Start the part at the given time. \n\t\t *  @param  {TransportTime}  time    When to start the part.\n\t\t *  @param  {Time=}  offset  The offset from the start of the part\n\t\t *                           to begin playing at.\n\t\t *  @return  {Tone.Part}  this\n\t\t */\n\t    Tone.Part.prototype.start = function (time, offset) {\n\t        var ticks = this.toTicks(time);\n\t        if (this._state.getValueAtTime(ticks) !== Tone.State.Started) {\n\t            if (this._loop) {\n\t                offset = this.defaultArg(offset, this._loopStart);\n\t            } else {\n\t                offset = this.defaultArg(offset, 0);\n\t            }\n\t            offset = this.toTicks(offset);\n\t            this._state.add({\n\t                'state': Tone.State.Started,\n\t                'time': ticks,\n\t                'offset': offset\n\t            });\n\t            this._forEach(function (event) {\n\t                this._startNote(event, ticks, offset);\n\t            });\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Start the event in the given event at the correct time given\n\t\t *  the ticks and offset and looping.\n\t\t *  @param  {Tone.Event}  event \n\t\t *  @param  {Ticks}  ticks\n\t\t *  @param  {Ticks}  offset\n\t\t *  @private\n\t\t */\n\t    Tone.Part.prototype._startNote = function (event, ticks, offset) {\n\t        ticks -= offset;\n\t        if (this._loop) {\n\t            if (event.startOffset >= this._loopStart && event.startOffset < this._loopEnd) {\n\t                if (event.startOffset < offset) {\n\t                    //start it on the next loop\n\t                    ticks += this._getLoopDuration();\n\t                }\n\t                event.start(Tone.TransportTime(ticks, 'i'));\n\t            } else if (event.startOffset < this._loopStart && event.startOffset >= offset) {\n\t                event.loop = false;\n\t                event.start(Tone.TransportTime(ticks, 'i'));\n\t            }\n\t        } else {\n\t            if (event.startOffset >= offset) {\n\t                event.start(Tone.TransportTime(ticks, 'i'));\n\t            }\n\t        }\n\t    };\n\t    /**\n\t\t *  The start from the scheduled start time\n\t\t *  @type {Ticks}\n\t\t *  @memberOf Tone.Part#\n\t\t *  @name startOffset\n\t\t *  @private\n\t\t */\n\t    Object.defineProperty(Tone.Part.prototype, 'startOffset', {\n\t        get: function () {\n\t            return this._startOffset;\n\t        },\n\t        set: function (offset) {\n\t            this._startOffset = offset;\n\t            this._forEach(function (event) {\n\t                event.startOffset += this._startOffset;\n\t            });\n\t        }\n\t    });\n\t    /**\n\t\t *  Stop the part at the given time.\n\t\t *  @param  {TimelinePosition}  time  When to stop the part.\n\t\t *  @return  {Tone.Part}  this\n\t\t */\n\t    Tone.Part.prototype.stop = function (time) {\n\t        var ticks = this.toTicks(time);\n\t        this._state.cancel(ticks);\n\t        this._state.setStateAtTime(Tone.State.Stopped, ticks);\n\t        this._forEach(function (event) {\n\t            event.stop(time);\n\t        });\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Get/Set an Event's value at the given time. \n\t\t *  If a value is passed in and no event exists at\n\t\t *  the given time, one will be created with that value. \n\t\t *  If two events are at the same time, the first one will\n\t\t *  be returned.\n\t\t *  @example\n\t\t * part.at(\"1m\"); //returns the part at the first measure\n\t\t *\n\t\t * part.at(\"2m\", \"C2\"); //set the value at \"2m\" to C2. \n\t\t * //if an event didn't exist at that time, it will be created.\n\t\t *  @param {TransportTime} time The time of the event to get or set.\n\t\t *  @param {*=} value If a value is passed in, the value of the\n\t\t *                    event at the given time will be set to it.\n\t\t *  @return {Tone.Event} the event at the time\n\t\t */\n\t    Tone.Part.prototype.at = function (time, value) {\n\t        time = Tone.TransportTime(time);\n\t        var tickTime = Tone.Time(1, 'i').toSeconds();\n\t        for (var i = 0; i < this._events.length; i++) {\n\t            var event = this._events[i];\n\t            if (Math.abs(time.toTicks() - event.startOffset) < tickTime) {\n\t                if (!this.isUndef(value)) {\n\t                    event.value = value;\n\t                }\n\t                return event;\n\t            }\n\t        }\n\t        //if there was no event at that time, create one\n\t        if (!this.isUndef(value)) {\n\t            this.add(time, value);\n\t            //return the new event\n\t            return this._events[this._events.length - 1];\n\t        } else {\n\t            return null;\n\t        }\n\t    };\n\t    /**\n\t\t *  Add a an event to the part. \n\t\t *  @param {Time} time The time the note should start.\n\t\t *                            If an object is passed in, it should\n\t\t *                            have a 'time' attribute and the rest\n\t\t *                            of the object will be used as the 'value'.\n\t\t *  @param  {Tone.Event|*}  value \n\t\t *  @returns {Tone.Part} this\n\t\t *  @example\n\t\t * part.add(\"1m\", \"C#+11\");\n\t\t */\n\t    Tone.Part.prototype.add = function (time, value) {\n\t        //extract the parameters\n\t        if (time.hasOwnProperty('time')) {\n\t            value = time;\n\t            time = value.time;\n\t        }\n\t        time = this.toTicks(time);\n\t        var event;\n\t        if (value instanceof Tone.Event) {\n\t            event = value;\n\t            event.callback = this._tick.bind(this);\n\t        } else {\n\t            event = new Tone.Event({\n\t                'callback': this._tick.bind(this),\n\t                'value': value\n\t            });\n\t        }\n\t        //the start offset\n\t        event.startOffset = time;\n\t        //initialize the values\n\t        event.set({\n\t            'loopEnd': this.loopEnd,\n\t            'loopStart': this.loopStart,\n\t            'loop': this.loop,\n\t            'humanize': this.humanize,\n\t            'playbackRate': this.playbackRate,\n\t            'probability': this.probability\n\t        });\n\t        this._events.push(event);\n\t        //start the note if it should be played right now\n\t        this._restartEvent(event);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Restart the given event\n\t\t *  @param  {Tone.Event}  event \n\t\t *  @private\n\t\t */\n\t    Tone.Part.prototype._restartEvent = function (event) {\n\t        this._state.forEach(function (stateEvent) {\n\t            if (stateEvent.state === Tone.State.Started) {\n\t                this._startNote(event, stateEvent.time, stateEvent.offset);\n\t            } else {\n\t                //stop the note\n\t                event.stop(Tone.TransportTime(stateEvent.time, 'i'));\n\t            }\n\t        }.bind(this));\n\t    };\n\t    /**\n\t\t *  Remove an event from the part. Will recursively iterate\n\t\t *  into nested parts to find the event.\n\t\t *  @param {Time} time The time of the event\n\t\t *  @param {*} value Optionally select only a specific event value\n\t\t *  @return  {Tone.Part}  this\n\t\t */\n\t    Tone.Part.prototype.remove = function (time, value) {\n\t        //extract the parameters\n\t        if (time.hasOwnProperty('time')) {\n\t            value = time;\n\t            time = value.time;\n\t        }\n\t        time = this.toTicks(time);\n\t        for (var i = this._events.length - 1; i >= 0; i--) {\n\t            var event = this._events[i];\n\t            if (event instanceof Tone.Part) {\n\t                event.remove(time, value);\n\t            } else {\n\t                if (event.startOffset === time) {\n\t                    if (this.isUndef(value) || !this.isUndef(value) && event.value === value) {\n\t                        this._events.splice(i, 1);\n\t                        event.dispose();\n\t                    }\n\t                }\n\t            }\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Remove all of the notes from the group. \n\t\t *  @return  {Tone.Part}  this\n\t\t */\n\t    Tone.Part.prototype.removeAll = function () {\n\t        this._forEach(function (event) {\n\t            event.dispose();\n\t        });\n\t        this._events = [];\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Cancel scheduled state change events: i.e. \"start\" and \"stop\".\n\t\t *  @param {TimelinePosition} after The time after which to cancel the scheduled events.\n\t\t *  @return  {Tone.Part}  this\n\t\t */\n\t    Tone.Part.prototype.cancel = function (after) {\n\t        after = this.toTicks(after);\n\t        this._forEach(function (event) {\n\t            event.cancel(after);\n\t        });\n\t        this._state.cancel(after);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Iterate over all of the events\n\t\t *  @param {Function} callback\n\t\t *  @param {Object} ctx The context\n\t\t *  @private\n\t\t */\n\t    Tone.Part.prototype._forEach = function (callback, ctx) {\n\t        ctx = this.defaultArg(ctx, this);\n\t        for (var i = this._events.length - 1; i >= 0; i--) {\n\t            var e = this._events[i];\n\t            if (e instanceof Tone.Part) {\n\t                e._forEach(callback, ctx);\n\t            } else {\n\t                callback.call(ctx, e);\n\t            }\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Set the attribute of all of the events\n\t\t *  @param  {String}  attr  the attribute to set\n\t\t *  @param  {*}  value      The value to set it to\n\t\t *  @private\n\t\t */\n\t    Tone.Part.prototype._setAll = function (attr, value) {\n\t        this._forEach(function (event) {\n\t            event[attr] = value;\n\t        });\n\t    };\n\t    /**\n\t\t *  Internal tick method\n\t\t *  @param  {Number}  time  The time of the event in seconds\n\t\t *  @private\n\t\t */\n\t    Tone.Part.prototype._tick = function (time, value) {\n\t        if (!this.mute) {\n\t            this.callback(time, value);\n\t        }\n\t    };\n\t    /**\n\t\t *  Determine if the event should be currently looping\n\t\t *  given the loop boundries of this Part.\n\t\t *  @param  {Tone.Event}  event  The event to test\n\t\t *  @private\n\t\t */\n\t    Tone.Part.prototype._testLoopBoundries = function (event) {\n\t        if (event.startOffset < this._loopStart || event.startOffset >= this._loopEnd) {\n\t            event.cancel(0);\n\t        } else {\n\t            //reschedule it if it's stopped\n\t            if (event.state === Tone.State.Stopped) {\n\t                this._restartEvent(event);\n\t            }\n\t        }\n\t    };\n\t    /**\n\t\t *  The probability of the notes being triggered.\n\t\t *  @memberOf Tone.Part#\n\t\t *  @type {NormalRange}\n\t\t *  @name probability\n\t\t */\n\t    Object.defineProperty(Tone.Part.prototype, 'probability', {\n\t        get: function () {\n\t            return this._probability;\n\t        },\n\t        set: function (prob) {\n\t            this._probability = prob;\n\t            this._setAll('probability', prob);\n\t        }\n\t    });\n\t    /**\n\t\t *  If set to true, will apply small random variation\n\t\t *  to the callback time. If the value is given as a time, it will randomize\n\t\t *  by that amount.\n\t\t *  @example\n\t\t * event.humanize = true;\n\t\t *  @type {Boolean|Time}\n\t\t *  @name humanize\n\t\t */\n\t    Object.defineProperty(Tone.Part.prototype, 'humanize', {\n\t        get: function () {\n\t            return this._humanize;\n\t        },\n\t        set: function (variation) {\n\t            this._humanize = variation;\n\t            this._setAll('humanize', variation);\n\t        }\n\t    });\n\t    /**\n\t\t *  If the part should loop or not\n\t\t *  between Tone.Part.loopStart and \n\t\t *  Tone.Part.loopEnd. An integer\n\t\t *  value corresponds to the number of\n\t\t *  loops the Part does after it starts.\n\t\t *  @memberOf Tone.Part#\n\t\t *  @type {Boolean|Positive}\n\t\t *  @name loop\n\t\t *  @example\n\t\t * //loop the part 8 times\n\t\t * part.loop = 8;\n\t\t */\n\t    Object.defineProperty(Tone.Part.prototype, 'loop', {\n\t        get: function () {\n\t            return this._loop;\n\t        },\n\t        set: function (loop) {\n\t            this._loop = loop;\n\t            this._forEach(function (event) {\n\t                event._loopStart = this._loopStart;\n\t                event._loopEnd = this._loopEnd;\n\t                event.loop = loop;\n\t                this._testLoopBoundries(event);\n\t            });\n\t        }\n\t    });\n\t    /**\n\t\t *  The loopEnd point determines when it will \n\t\t *  loop if Tone.Part.loop is true.\n\t\t *  @memberOf Tone.Part#\n\t\t *  @type {TransportTime}\n\t\t *  @name loopEnd\n\t\t */\n\t    Object.defineProperty(Tone.Part.prototype, 'loopEnd', {\n\t        get: function () {\n\t            return Tone.TransportTime(this._loopEnd, 'i').toNotation();\n\t        },\n\t        set: function (loopEnd) {\n\t            this._loopEnd = this.toTicks(loopEnd);\n\t            if (this._loop) {\n\t                this._forEach(function (event) {\n\t                    event.loopEnd = loopEnd;\n\t                    this._testLoopBoundries(event);\n\t                });\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t *  The loopStart point determines when it will \n\t\t *  loop if Tone.Part.loop is true.\n\t\t *  @memberOf Tone.Part#\n\t\t *  @type {TransportTime}\n\t\t *  @name loopStart\n\t\t */\n\t    Object.defineProperty(Tone.Part.prototype, 'loopStart', {\n\t        get: function () {\n\t            return Tone.TransportTime(this._loopStart, 'i').toNotation();\n\t        },\n\t        set: function (loopStart) {\n\t            this._loopStart = this.toTicks(loopStart);\n\t            if (this._loop) {\n\t                this._forEach(function (event) {\n\t                    event.loopStart = this.loopStart;\n\t                    this._testLoopBoundries(event);\n\t                });\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t * \tThe playback rate of the part\n\t\t *  @memberOf Tone.Part#\n\t\t *  @type {Positive}\n\t\t *  @name playbackRate\n\t\t */\n\t    Object.defineProperty(Tone.Part.prototype, 'playbackRate', {\n\t        get: function () {\n\t            return this._playbackRate;\n\t        },\n\t        set: function (rate) {\n\t            this._playbackRate = rate;\n\t            this._setAll('playbackRate', rate);\n\t        }\n\t    });\n\t    /**\n\t\t * \tThe number of scheduled notes in the part. \n\t\t *  @memberOf Tone.Part#\n\t\t *  @type {Positive}\n\t\t *  @name length\n\t\t *  @readOnly\n\t\t */\n\t    Object.defineProperty(Tone.Part.prototype, 'length', {\n\t        get: function () {\n\t            return this._events.length;\n\t        }\n\t    });\n\t    /**\n\t\t *  Clean up\n\t\t *  @return  {Tone.Part}  this\n\t\t */\n\t    Tone.Part.prototype.dispose = function () {\n\t        this.removeAll();\n\t        this._state.dispose();\n\t        this._state = null;\n\t        this.callback = null;\n\t        this._events = null;\n\t        return this;\n\t    };\n\t    return Tone.Part;\n\t});\n\tModule(function (Tone) {\n\t    /**\n\t\t *  @class Tone.Pattern arpeggiates between the given notes\n\t\t *         in a number of patterns. See Tone.CtrlPattern for\n\t\t *         a full list of patterns.\n\t\t *  @example\n\t\t * var pattern = new Tone.Pattern(function(time, note){\n\t\t *   //the order of the notes passed in depends on the pattern\n\t\t * }, [\"C2\", \"D4\", \"E5\", \"A6\"], \"upDown\");\n\t\t *  @extends {Tone.Loop}\n\t\t *  @param {Function} callback The callback to invoke with the\n\t\t *                             event.\n\t\t *  @param {Array} values The values to arpeggiate over.\n\t\t */\n\t    Tone.Pattern = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'callback',\n\t            'values',\n\t            'pattern'\n\t        ], Tone.Pattern.defaults);\n\t        Tone.Loop.call(this, options);\n\t        /**\n\t\t\t *  The pattern manager\n\t\t\t *  @type {Tone.CtrlPattern}\n\t\t\t *  @private\n\t\t\t */\n\t        this._pattern = new Tone.CtrlPattern({\n\t            'values': options.values,\n\t            'type': options.pattern,\n\t            'index': options.index\n\t        });\n\t    };\n\t    Tone.extend(Tone.Pattern, Tone.Loop);\n\t    /**\n\t\t *  The defaults\n\t\t *  @const\n\t\t *  @type  {Object}\n\t\t */\n\t    Tone.Pattern.defaults = {\n\t        'pattern': Tone.CtrlPattern.Type.Up,\n\t        'values': []\n\t    };\n\t    /**\n\t\t *  Internal function called when the notes should be called\n\t\t *  @param  {Number}  time  The time the event occurs\n\t\t *  @private\n\t\t */\n\t    Tone.Pattern.prototype._tick = function (time) {\n\t        this.callback(time, this._pattern.value);\n\t        this._pattern.next();\n\t    };\n\t    /**\n\t\t *  The current index in the values array.\n\t\t *  @memberOf Tone.Pattern#\n\t\t *  @type {Positive}\n\t\t *  @name index\n\t\t */\n\t    Object.defineProperty(Tone.Pattern.prototype, 'index', {\n\t        get: function () {\n\t            return this._pattern.index;\n\t        },\n\t        set: function (i) {\n\t            this._pattern.index = i;\n\t        }\n\t    });\n\t    /**\n\t\t *  The array of events.\n\t\t *  @memberOf Tone.Pattern#\n\t\t *  @type {Array}\n\t\t *  @name values\n\t\t */\n\t    Object.defineProperty(Tone.Pattern.prototype, 'values', {\n\t        get: function () {\n\t            return this._pattern.values;\n\t        },\n\t        set: function (vals) {\n\t            this._pattern.values = vals;\n\t        }\n\t    });\n\t    /**\n\t\t *  The current value of the pattern.\n\t\t *  @memberOf Tone.Pattern#\n\t\t *  @type {*}\n\t\t *  @name value\n\t\t *  @readOnly\n\t\t */\n\t    Object.defineProperty(Tone.Pattern.prototype, 'value', {\n\t        get: function () {\n\t            return this._pattern.value;\n\t        }\n\t    });\n\t    /**\n\t\t *  The pattern type. See Tone.CtrlPattern for the full list of patterns.\n\t\t *  @memberOf Tone.Pattern#\n\t\t *  @type {String}\n\t\t *  @name pattern\n\t\t */\n\t    Object.defineProperty(Tone.Pattern.prototype, 'pattern', {\n\t        get: function () {\n\t            return this._pattern.type;\n\t        },\n\t        set: function (pattern) {\n\t            this._pattern.type = pattern;\n\t        }\n\t    });\n\t    /**\n\t\t *  Clean up\n\t\t *  @return  {Tone.Pattern}  this\n\t\t */\n\t    Tone.Pattern.prototype.dispose = function () {\n\t        Tone.Loop.prototype.dispose.call(this);\n\t        this._pattern.dispose();\n\t        this._pattern = null;\n\t    };\n\t    return Tone.Pattern;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class A sequence is an alternate notation of a part. Instead\n\t\t *         of passing in an array of [time, event] pairs, pass\n\t\t *         in an array of events which will be spaced at the\n\t\t *         given subdivision. Sub-arrays will subdivide that beat\n\t\t *         by the number of items are in the array. \n\t\t *         Sequence notation inspiration from [Tidal](http://yaxu.org/tidal/)\n\t\t *  @param  {Function}  callback  The callback to invoke with every note\n\t\t *  @param  {Array}    events  The sequence\n\t\t *  @param  {Time} subdivision  The subdivision between which events are placed. \n\t\t *  @extends {Tone.Part}\n\t\t *  @example\n\t\t * var seq = new Tone.Sequence(function(time, note){\n\t\t * \tconsole.log(note);\n\t\t * //straight quater notes\n\t\t * }, [\"C4\", \"E4\", \"G4\", \"A4\"], \"4n\");\n\t\t *  @example\n\t\t * var seq = new Tone.Sequence(function(time, note){\n\t\t * \tconsole.log(note);\n\t\t * //subdivisions are given as subarrays\n\t\t * }, [\"C4\", [\"E4\", \"D4\", \"E4\"], \"G4\", [\"A4\", \"G4\"]]);\n\t\t */\n\t    Tone.Sequence = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'callback',\n\t            'events',\n\t            'subdivision'\n\t        ], Tone.Sequence.defaults);\n\t        //remove the events\n\t        var events = options.events;\n\t        delete options.events;\n\t        Tone.Part.call(this, options);\n\t        /**\n\t\t\t *  The subdivison of each note\n\t\t\t *  @type  {Ticks}\n\t\t\t *  @private\n\t\t\t */\n\t        this._subdivision = this.toTicks(options.subdivision);\n\t        //if no time was passed in, the loop end is the end of the cycle\n\t        if (this.isUndef(options.loopEnd) && !this.isUndef(events)) {\n\t            this._loopEnd = events.length * this._subdivision;\n\t        }\n\t        //defaults to looping\n\t        this._loop = true;\n\t        //add all of the events\n\t        if (!this.isUndef(events)) {\n\t            for (var i = 0; i < events.length; i++) {\n\t                this.add(i, events[i]);\n\t            }\n\t        }\n\t    };\n\t    Tone.extend(Tone.Sequence, Tone.Part);\n\t    /**\n\t\t *  The default values.\n\t\t *  @type  {Object}\n\t\t */\n\t    Tone.Sequence.defaults = { 'subdivision': '4n' };\n\t    /**\n\t\t *  The subdivision of the sequence. This can only be \n\t\t *  set in the constructor. The subdivision is the \n\t\t *  interval between successive steps. \n\t\t *  @type {Time}\n\t\t *  @memberOf Tone.Sequence#\n\t\t *  @name subdivision\n\t\t *  @readOnly\n\t\t */\n\t    Object.defineProperty(Tone.Sequence.prototype, 'subdivision', {\n\t        get: function () {\n\t            return Tone.Time(this._subdivision, 'i').toNotation();\n\t        }\n\t    });\n\t    /**\n\t\t *  Get/Set an index of the sequence. If the index contains a subarray, \n\t\t *  a Tone.Sequence representing that sub-array will be returned. \n\t\t *  @example\n\t\t * var sequence = new Tone.Sequence(playNote, [\"E4\", \"C4\", \"F#4\", [\"A4\", \"Bb3\"]])\n\t\t * sequence.at(0)// => returns \"E4\"\n\t\t * //set a value\n\t\t * sequence.at(0, \"G3\");\n\t\t * //get a nested sequence\n\t\t * sequence.at(3).at(1)// => returns \"Bb3\"\n\t\t * @param {Positive} index The index to get or set\n\t\t * @param {*} value Optionally pass in the value to set at the given index.\n\t\t */\n\t    Tone.Sequence.prototype.at = function (index, value) {\n\t        //if the value is an array, \n\t        if (this.isArray(value)) {\n\t            //remove the current event at that index\n\t            this.remove(index);\n\t        }\n\t        //call the parent's method\n\t        return Tone.Part.prototype.at.call(this, this._indexTime(index), value);\n\t    };\n\t    /**\n\t\t *  Add an event at an index, if there's already something\n\t\t *  at that index, overwrite it. If `value` is an array, \n\t\t *  it will be parsed as a subsequence.\n\t\t *  @param {Number} index The index to add the event to\n\t\t *  @param {*} value The value to add at that index\n\t\t *  @returns {Tone.Sequence} this\n\t\t */\n\t    Tone.Sequence.prototype.add = function (index, value) {\n\t        if (value === null) {\n\t            return this;\n\t        }\n\t        if (this.isArray(value)) {\n\t            //make a subsequence and add that to the sequence\n\t            var subSubdivision = Math.round(this._subdivision / value.length);\n\t            value = new Tone.Sequence(this._tick.bind(this), value, Tone.Time(subSubdivision, 'i'));\n\t        }\n\t        Tone.Part.prototype.add.call(this, this._indexTime(index), value);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Remove a value from the sequence by index\n\t\t *  @param {Number} index The index of the event to remove\n\t\t *  @returns {Tone.Sequence} this\n\t\t */\n\t    Tone.Sequence.prototype.remove = function (index, value) {\n\t        Tone.Part.prototype.remove.call(this, this._indexTime(index), value);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Get the time of the index given the Sequence's subdivision\n\t\t *  @param  {Number}  index \n\t\t *  @return  {Time}  The time of that index\n\t\t *  @private\n\t\t */\n\t    Tone.Sequence.prototype._indexTime = function (index) {\n\t        if (index instanceof Tone.TransportTime) {\n\t            return index;\n\t        } else {\n\t            return Tone.TransportTime(index * this._subdivision + this.startOffset, 'i');\n\t        }\n\t    };\n\t    /**\n\t\t *  Clean up.\n\t\t *  @return {Tone.Sequence} this\n\t\t */\n\t    Tone.Sequence.prototype.dispose = function () {\n\t        Tone.Part.prototype.dispose.call(this);\n\t        return this;\n\t    };\n\t    return Tone.Sequence;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Tone.PulseOscillator is a pulse oscillator with control over pulse width,\n\t\t *         also known as the duty cycle. At 50% duty cycle (width = 0.5) the wave is \n\t\t *         a square and only odd-numbered harmonics are present. At all other widths \n\t\t *         even-numbered harmonics are present. Read more \n\t\t *         [here](https://wigglewave.wordpress.com/2014/08/16/pulse-waveforms-and-harmonics/).\n\t\t *\n\t\t *  @constructor\n\t\t *  @extends {Tone.Oscillator}\n\t\t *  @param {Frequency} [frequency] The frequency of the oscillator\n\t\t *  @param {NormalRange} [width] The width of the pulse\n\t\t *  @example\n\t\t * var pulse = new Tone.PulseOscillator(\"E5\", 0.4).toMaster().start();\n\t\t */\n\t    Tone.PulseOscillator = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'frequency',\n\t            'width'\n\t        ], Tone.Oscillator.defaults);\n\t        Tone.Source.call(this, options);\n\t        /**\n\t\t\t *  The width of the pulse. \n\t\t\t *  @type {NormalRange}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.width = new Tone.Signal(options.width, Tone.Type.NormalRange);\n\t        /**\n\t\t\t *  gate the width amount\n\t\t\t *  @type {Tone.Gain}\n\t\t\t *  @private\n\t\t\t */\n\t        this._widthGate = new Tone.Gain();\n\t        /**\n\t\t\t *  the sawtooth oscillator\n\t\t\t *  @type {Tone.Oscillator}\n\t\t\t *  @private\n\t\t\t */\n\t        this._sawtooth = new Tone.Oscillator({\n\t            frequency: options.frequency,\n\t            detune: options.detune,\n\t            type: 'sawtooth',\n\t            phase: options.phase\n\t        });\n\t        /**\n\t\t\t *  The frequency control.\n\t\t\t *  @type {Frequency}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.frequency = this._sawtooth.frequency;\n\t        /**\n\t\t\t *  The detune in cents. \n\t\t\t *  @type {Cents}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.detune = this._sawtooth.detune;\n\t        /**\n\t\t\t *  Threshold the signal to turn it into a square\n\t\t\t *  @type {Tone.WaveShaper}\n\t\t\t *  @private\n\t\t\t */\n\t        this._thresh = new Tone.WaveShaper(function (val) {\n\t            if (val < 0) {\n\t                return -1;\n\t            } else {\n\t                return 1;\n\t            }\n\t        });\n\t        //connections\n\t        this._sawtooth.chain(this._thresh, this.output);\n\t        this.width.chain(this._widthGate, this._thresh);\n\t        this._readOnly([\n\t            'width',\n\t            'frequency',\n\t            'detune'\n\t        ]);\n\t    };\n\t    Tone.extend(Tone.PulseOscillator, Tone.Oscillator);\n\t    /**\n\t\t *  The default parameters.\n\t\t *  @static\n\t\t *  @const\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.PulseOscillator.defaults = {\n\t        'frequency': 440,\n\t        'detune': 0,\n\t        'phase': 0,\n\t        'width': 0.2\n\t    };\n\t    /**\n\t\t *  start the oscillator\n\t\t *  @param  {Time} time \n\t\t *  @private\n\t\t */\n\t    Tone.PulseOscillator.prototype._start = function (time) {\n\t        time = this.toSeconds(time);\n\t        this._sawtooth.start(time);\n\t        this._widthGate.gain.setValueAtTime(1, time);\n\t    };\n\t    /**\n\t\t *  stop the oscillator\n\t\t *  @param  {Time} time \n\t\t *  @private\n\t\t */\n\t    Tone.PulseOscillator.prototype._stop = function (time) {\n\t        time = this.toSeconds(time);\n\t        this._sawtooth.stop(time);\n\t        //the width is still connected to the output. \n\t        //that needs to be stopped also\n\t        this._widthGate.gain.setValueAtTime(0, time);\n\t    };\n\t    /**\n\t\t * The phase of the oscillator in degrees.\n\t\t * @memberOf Tone.PulseOscillator#\n\t\t * @type {Degrees}\n\t\t * @name phase\n\t\t */\n\t    Object.defineProperty(Tone.PulseOscillator.prototype, 'phase', {\n\t        get: function () {\n\t            return this._sawtooth.phase;\n\t        },\n\t        set: function (phase) {\n\t            this._sawtooth.phase = phase;\n\t        }\n\t    });\n\t    /**\n\t\t * The type of the oscillator. Always returns \"pulse\".\n\t\t * @readOnly\n\t\t * @memberOf Tone.PulseOscillator#\n\t\t * @type {string}\n\t\t * @name type\n\t\t */\n\t    Object.defineProperty(Tone.PulseOscillator.prototype, 'type', {\n\t        get: function () {\n\t            return 'pulse';\n\t        }\n\t    });\n\t    /**\n\t\t * The partials of the waveform. Cannot set partials for this waveform type\n\t\t * @memberOf Tone.PulseOscillator#\n\t\t * @type {Array}\n\t\t * @name partials\n\t\t * @private\n\t\t */\n\t    Object.defineProperty(Tone.PulseOscillator.prototype, 'partials', {\n\t        get: function () {\n\t            return [];\n\t        }\n\t    });\n\t    /**\n\t\t *  Clean up method.\n\t\t *  @return {Tone.PulseOscillator} this\n\t\t */\n\t    Tone.PulseOscillator.prototype.dispose = function () {\n\t        Tone.Source.prototype.dispose.call(this);\n\t        this._sawtooth.dispose();\n\t        this._sawtooth = null;\n\t        this._writable([\n\t            'width',\n\t            'frequency',\n\t            'detune'\n\t        ]);\n\t        this.width.dispose();\n\t        this.width = null;\n\t        this._widthGate.dispose();\n\t        this._widthGate = null;\n\t        this._thresh.dispose();\n\t        this._thresh = null;\n\t        this.frequency = null;\n\t        this.detune = null;\n\t        return this;\n\t    };\n\t    return Tone.PulseOscillator;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Tone.PWMOscillator modulates the width of a Tone.PulseOscillator \n\t\t *         at the modulationFrequency. This has the effect of continuously\n\t\t *         changing the timbre of the oscillator by altering the harmonics \n\t\t *         generated.\n\t\t *\n\t\t *  @extends {Tone.Oscillator}\n\t\t *  @constructor\n\t\t *  @param {Frequency} frequency The starting frequency of the oscillator. \n\t\t *  @param {Frequency} modulationFrequency The modulation frequency of the width of the pulse. \n\t\t *  @example\n\t\t *  var pwm = new Tone.PWMOscillator(\"Ab3\", 0.3).toMaster().start();\n\t\t */\n\t    Tone.PWMOscillator = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'frequency',\n\t            'modulationFrequency'\n\t        ], Tone.PWMOscillator.defaults);\n\t        Tone.Source.call(this, options);\n\t        /**\n\t\t\t *  the pulse oscillator\n\t\t\t *  @type {Tone.PulseOscillator}\n\t\t\t *  @private\n\t\t\t */\n\t        this._pulse = new Tone.PulseOscillator(options.modulationFrequency);\n\t        //change the pulse oscillator type\n\t        this._pulse._sawtooth.type = 'sine';\n\t        /**\n\t\t\t *  the modulator\n\t\t\t *  @type {Tone.Oscillator}\n\t\t\t *  @private\n\t\t\t */\n\t        this._modulator = new Tone.Oscillator({\n\t            'frequency': options.frequency,\n\t            'detune': options.detune,\n\t            'phase': options.phase\n\t        });\n\t        /**\n\t\t\t *  Scale the oscillator so it doesn't go silent \n\t\t\t *  at the extreme values.\n\t\t\t *  @type {Tone.Multiply}\n\t\t\t *  @private\n\t\t\t */\n\t        this._scale = new Tone.Multiply(2);\n\t        /**\n\t\t\t *  The frequency control.\n\t\t\t *  @type {Frequency}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.frequency = this._modulator.frequency;\n\t        /**\n\t\t\t *  The detune of the oscillator.\n\t\t\t *  @type {Cents}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.detune = this._modulator.detune;\n\t        /**\n\t\t\t *  The modulation rate of the oscillator. \n\t\t\t *  @type {Frequency}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.modulationFrequency = this._pulse.frequency;\n\t        //connections\n\t        this._modulator.chain(this._scale, this._pulse.width);\n\t        this._pulse.connect(this.output);\n\t        this._readOnly([\n\t            'modulationFrequency',\n\t            'frequency',\n\t            'detune'\n\t        ]);\n\t    };\n\t    Tone.extend(Tone.PWMOscillator, Tone.Oscillator);\n\t    /**\n\t\t *  default values\n\t\t *  @static\n\t\t *  @type {Object}\n\t\t *  @const\n\t\t */\n\t    Tone.PWMOscillator.defaults = {\n\t        'frequency': 440,\n\t        'detune': 0,\n\t        'phase': 0,\n\t        'modulationFrequency': 0.4\n\t    };\n\t    /**\n\t\t *  start the oscillator\n\t\t *  @param  {Time} [time=now]\n\t\t *  @private\n\t\t */\n\t    Tone.PWMOscillator.prototype._start = function (time) {\n\t        time = this.toSeconds(time);\n\t        this._modulator.start(time);\n\t        this._pulse.start(time);\n\t    };\n\t    /**\n\t\t *  stop the oscillator\n\t\t *  @param  {Time} time (optional) timing parameter\n\t\t *  @private\n\t\t */\n\t    Tone.PWMOscillator.prototype._stop = function (time) {\n\t        time = this.toSeconds(time);\n\t        this._modulator.stop(time);\n\t        this._pulse.stop(time);\n\t    };\n\t    /**\n\t\t * The type of the oscillator. Always returns \"pwm\".\n\t\t * @readOnly\n\t\t * @memberOf Tone.PWMOscillator#\n\t\t * @type {string}\n\t\t * @name type\n\t\t */\n\t    Object.defineProperty(Tone.PWMOscillator.prototype, 'type', {\n\t        get: function () {\n\t            return 'pwm';\n\t        }\n\t    });\n\t    /**\n\t\t * The partials of the waveform. Cannot set partials for this waveform type\n\t\t * @memberOf Tone.PWMOscillator#\n\t\t * @type {Array}\n\t\t * @name partials\n\t\t * @private\n\t\t */\n\t    Object.defineProperty(Tone.PWMOscillator.prototype, 'partials', {\n\t        get: function () {\n\t            return [];\n\t        }\n\t    });\n\t    /**\n\t\t * The phase of the oscillator in degrees.\n\t\t * @memberOf Tone.PWMOscillator#\n\t\t * @type {number}\n\t\t * @name phase\n\t\t */\n\t    Object.defineProperty(Tone.PWMOscillator.prototype, 'phase', {\n\t        get: function () {\n\t            return this._modulator.phase;\n\t        },\n\t        set: function (phase) {\n\t            this._modulator.phase = phase;\n\t        }\n\t    });\n\t    /**\n\t\t *  Clean up.\n\t\t *  @return {Tone.PWMOscillator} this\n\t\t */\n\t    Tone.PWMOscillator.prototype.dispose = function () {\n\t        Tone.Source.prototype.dispose.call(this);\n\t        this._pulse.dispose();\n\t        this._pulse = null;\n\t        this._scale.dispose();\n\t        this._scale = null;\n\t        this._modulator.dispose();\n\t        this._modulator = null;\n\t        this._writable([\n\t            'modulationFrequency',\n\t            'frequency',\n\t            'detune'\n\t        ]);\n\t        this.frequency = null;\n\t        this.detune = null;\n\t        this.modulationFrequency = null;\n\t        return this;\n\t    };\n\t    return Tone.PWMOscillator;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Tone.FMOscillator \n\t\t *\n\t\t *  @extends {Tone.Oscillator}\n\t\t *  @constructor\n\t\t *  @param {Frequency} frequency The starting frequency of the oscillator. \n\t\t *  @param {String} type The type of the carrier oscillator.\n\t\t *  @param {String} modulationType The type of the modulator oscillator.\n\t\t *  @example\n\t\t * //a sine oscillator frequency-modulated by a square wave\n\t\t * var fmOsc = new Tone.FMOscillator(\"Ab3\", \"sine\", \"square\").toMaster().start();\n\t\t */\n\t    Tone.FMOscillator = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'frequency',\n\t            'type',\n\t            'modulationType'\n\t        ], Tone.FMOscillator.defaults);\n\t        Tone.Source.call(this, options);\n\t        /**\n\t\t\t *  The carrier oscillator\n\t\t\t *  @type {Tone.Oscillator}\n\t\t\t *  @private\n\t\t\t */\n\t        this._carrier = new Tone.Oscillator(options.frequency, options.type);\n\t        /**\n\t\t\t *  The oscillator's frequency\n\t\t\t *  @type {Frequency}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.frequency = new Tone.Signal(options.frequency, Tone.Type.Frequency);\n\t        /**\n\t\t\t *  The detune control signal.\n\t\t\t *  @type {Cents}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.detune = this._carrier.detune;\n\t        this.detune.value = options.detune;\n\t        /**\n\t\t\t *  The modulation index which is in essence the depth or amount of the modulation. In other terms it is the \n\t\t\t *  ratio of the frequency of the modulating signal (mf) to the amplitude of the \n\t\t\t *  modulating signal (ma) -- as in ma/mf. \n\t\t\t *\t@type {Positive}\n\t\t\t *\t@signal\n\t\t\t */\n\t        this.modulationIndex = new Tone.Multiply(options.modulationIndex);\n\t        this.modulationIndex.units = Tone.Type.Positive;\n\t        /**\n\t\t\t *  The modulating oscillator\n\t\t\t *  @type  {Tone.Oscillator}\n\t\t\t *  @private\n\t\t\t */\n\t        this._modulator = new Tone.Oscillator(options.frequency, options.modulationType);\n\t        /**\n\t\t\t *  Harmonicity is the frequency ratio between the carrier and the modulator oscillators. \n\t\t\t *  A harmonicity of 1 gives both oscillators the same frequency. \n\t\t\t *  Harmonicity = 2 means a change of an octave. \n\t\t\t *  @type {Positive}\n\t\t\t *  @signal\n\t\t\t *  @example\n\t\t\t * //pitch the modulator an octave below carrier\n\t\t\t * synth.harmonicity.value = 0.5;\n\t\t\t */\n\t        this.harmonicity = new Tone.Multiply(options.harmonicity);\n\t        this.harmonicity.units = Tone.Type.Positive;\n\t        /**\n\t\t\t *  the node where the modulation happens\n\t\t\t *  @type {Tone.Gain}\n\t\t\t *  @private\n\t\t\t */\n\t        this._modulationNode = new Tone.Gain(0);\n\t        //connections\n\t        this.frequency.connect(this._carrier.frequency);\n\t        this.frequency.chain(this.harmonicity, this._modulator.frequency);\n\t        this.frequency.chain(this.modulationIndex, this._modulationNode);\n\t        this._modulator.connect(this._modulationNode.gain);\n\t        this._modulationNode.connect(this._carrier.frequency);\n\t        this._carrier.connect(this.output);\n\t        this.detune.connect(this._modulator.detune);\n\t        this.phase = options.phase;\n\t        this._readOnly([\n\t            'modulationIndex',\n\t            'frequency',\n\t            'detune',\n\t            'harmonicity'\n\t        ]);\n\t    };\n\t    Tone.extend(Tone.FMOscillator, Tone.Oscillator);\n\t    /**\n\t\t *  default values\n\t\t *  @static\n\t\t *  @type {Object}\n\t\t *  @const\n\t\t */\n\t    Tone.FMOscillator.defaults = {\n\t        'frequency': 440,\n\t        'detune': 0,\n\t        'phase': 0,\n\t        'modulationIndex': 2,\n\t        'modulationType': 'square',\n\t        'harmonicity': 1\n\t    };\n\t    /**\n\t\t *  start the oscillator\n\t\t *  @param  {Time} [time=now]\n\t\t *  @private\n\t\t */\n\t    Tone.FMOscillator.prototype._start = function (time) {\n\t        time = this.toSeconds(time);\n\t        this._modulator.start(time);\n\t        this._carrier.start(time);\n\t    };\n\t    /**\n\t\t *  stop the oscillator\n\t\t *  @param  {Time} time (optional) timing parameter\n\t\t *  @private\n\t\t */\n\t    Tone.FMOscillator.prototype._stop = function (time) {\n\t        time = this.toSeconds(time);\n\t        this._modulator.stop(time);\n\t        this._carrier.stop(time);\n\t    };\n\t    /**\n\t\t * The type of the carrier oscillator\n\t\t * @memberOf Tone.FMOscillator#\n\t\t * @type {string}\n\t\t * @name type\n\t\t */\n\t    Object.defineProperty(Tone.FMOscillator.prototype, 'type', {\n\t        get: function () {\n\t            return this._carrier.type;\n\t        },\n\t        set: function (type) {\n\t            this._carrier.type = type;\n\t        }\n\t    });\n\t    /**\n\t\t * The type of the modulator oscillator\n\t\t * @memberOf Tone.FMOscillator#\n\t\t * @type {String}\n\t\t * @name modulationType\n\t\t */\n\t    Object.defineProperty(Tone.FMOscillator.prototype, 'modulationType', {\n\t        get: function () {\n\t            return this._modulator.type;\n\t        },\n\t        set: function (type) {\n\t            this._modulator.type = type;\n\t        }\n\t    });\n\t    /**\n\t\t * The phase of the oscillator in degrees.\n\t\t * @memberOf Tone.FMOscillator#\n\t\t * @type {number}\n\t\t * @name phase\n\t\t */\n\t    Object.defineProperty(Tone.FMOscillator.prototype, 'phase', {\n\t        get: function () {\n\t            return this._carrier.phase;\n\t        },\n\t        set: function (phase) {\n\t            this._carrier.phase = phase;\n\t            this._modulator.phase = phase;\n\t        }\n\t    });\n\t    /**\n\t\t * The partials of the carrier waveform. A partial represents \n\t\t * the amplitude at a harmonic. The first harmonic is the \n\t\t * fundamental frequency, the second is the octave and so on\n\t\t * following the harmonic series. \n\t\t * Setting this value will automatically set the type to \"custom\". \n\t\t * The value is an empty array when the type is not \"custom\". \n\t\t * @memberOf Tone.FMOscillator#\n\t\t * @type {Array}\n\t\t * @name partials\n\t\t * @example\n\t\t * osc.partials = [1, 0.2, 0.01];\n\t\t */\n\t    Object.defineProperty(Tone.FMOscillator.prototype, 'partials', {\n\t        get: function () {\n\t            return this._carrier.partials;\n\t        },\n\t        set: function (partials) {\n\t            this._carrier.partials = partials;\n\t        }\n\t    });\n\t    /**\n\t\t *  Clean up.\n\t\t *  @return {Tone.FMOscillator} this\n\t\t */\n\t    Tone.FMOscillator.prototype.dispose = function () {\n\t        Tone.Source.prototype.dispose.call(this);\n\t        this._writable([\n\t            'modulationIndex',\n\t            'frequency',\n\t            'detune',\n\t            'harmonicity'\n\t        ]);\n\t        this.frequency.dispose();\n\t        this.frequency = null;\n\t        this.detune = null;\n\t        this.harmonicity.dispose();\n\t        this.harmonicity = null;\n\t        this._carrier.dispose();\n\t        this._carrier = null;\n\t        this._modulator.dispose();\n\t        this._modulator = null;\n\t        this._modulationNode.dispose();\n\t        this._modulationNode = null;\n\t        this.modulationIndex.dispose();\n\t        this.modulationIndex = null;\n\t        return this;\n\t    };\n\t    return Tone.FMOscillator;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Tone.AMOscillator \n\t\t *\n\t\t *  @extends {Tone.Oscillator}\n\t\t *  @constructor\n\t\t *  @param {Frequency} frequency The starting frequency of the oscillator. \n\t\t *  @param {String} type The type of the carrier oscillator.\n\t\t *  @param {String} modulationType The type of the modulator oscillator.\n\t\t *  @example\n\t\t * //a sine oscillator frequency-modulated by a square wave\n\t\t * var fmOsc = new Tone.AMOscillator(\"Ab3\", \"sine\", \"square\").toMaster().start();\n\t\t */\n\t    Tone.AMOscillator = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'frequency',\n\t            'type',\n\t            'modulationType'\n\t        ], Tone.AMOscillator.defaults);\n\t        Tone.Source.call(this, options);\n\t        /**\n\t\t\t *  The carrier oscillator\n\t\t\t *  @type {Tone.Oscillator}\n\t\t\t *  @private\n\t\t\t */\n\t        this._carrier = new Tone.Oscillator(options.frequency, options.type);\n\t        /**\n\t\t\t *  The oscillator's frequency\n\t\t\t *  @type {Frequency}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.frequency = this._carrier.frequency;\n\t        /**\n\t\t\t *  The detune control signal.\n\t\t\t *  @type {Cents}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.detune = this._carrier.detune;\n\t        this.detune.value = options.detune;\n\t        /**\n\t\t\t *  The modulating oscillator\n\t\t\t *  @type  {Tone.Oscillator}\n\t\t\t *  @private\n\t\t\t */\n\t        this._modulator = new Tone.Oscillator(options.frequency, options.modulationType);\n\t        /**\n\t\t\t *  convert the -1,1 output to 0,1\n\t\t\t *  @type {Tone.AudioToGain}\n\t\t\t *  @private\n\t\t\t */\n\t        this._modulationScale = new Tone.AudioToGain();\n\t        /**\n\t\t\t *  Harmonicity is the frequency ratio between the carrier and the modulator oscillators. \n\t\t\t *  A harmonicity of 1 gives both oscillators the same frequency. \n\t\t\t *  Harmonicity = 2 means a change of an octave. \n\t\t\t *  @type {Positive}\n\t\t\t *  @signal\n\t\t\t *  @example\n\t\t\t * //pitch the modulator an octave below carrier\n\t\t\t * synth.harmonicity.value = 0.5;\n\t\t\t */\n\t        this.harmonicity = new Tone.Multiply(options.harmonicity);\n\t        this.harmonicity.units = Tone.Type.Positive;\n\t        /**\n\t\t\t *  the node where the modulation happens\n\t\t\t *  @type {Tone.Gain}\n\t\t\t *  @private\n\t\t\t */\n\t        this._modulationNode = new Tone.Gain(0);\n\t        //connections\n\t        this.frequency.chain(this.harmonicity, this._modulator.frequency);\n\t        this.detune.connect(this._modulator.detune);\n\t        this._modulator.chain(this._modulationScale, this._modulationNode.gain);\n\t        this._carrier.chain(this._modulationNode, this.output);\n\t        this.phase = options.phase;\n\t        this._readOnly([\n\t            'frequency',\n\t            'detune',\n\t            'harmonicity'\n\t        ]);\n\t    };\n\t    Tone.extend(Tone.AMOscillator, Tone.Oscillator);\n\t    /**\n\t\t *  default values\n\t\t *  @static\n\t\t *  @type {Object}\n\t\t *  @const\n\t\t */\n\t    Tone.AMOscillator.defaults = {\n\t        'frequency': 440,\n\t        'detune': 0,\n\t        'phase': 0,\n\t        'modulationType': 'square',\n\t        'harmonicity': 1\n\t    };\n\t    /**\n\t\t *  start the oscillator\n\t\t *  @param  {Time} [time=now]\n\t\t *  @private\n\t\t */\n\t    Tone.AMOscillator.prototype._start = function (time) {\n\t        time = this.toSeconds(time);\n\t        this._modulator.start(time);\n\t        this._carrier.start(time);\n\t    };\n\t    /**\n\t\t *  stop the oscillator\n\t\t *  @param  {Time} time (optional) timing parameter\n\t\t *  @private\n\t\t */\n\t    Tone.AMOscillator.prototype._stop = function (time) {\n\t        time = this.toSeconds(time);\n\t        this._modulator.stop(time);\n\t        this._carrier.stop(time);\n\t    };\n\t    /**\n\t\t * The type of the carrier oscillator\n\t\t * @memberOf Tone.AMOscillator#\n\t\t * @type {string}\n\t\t * @name type\n\t\t */\n\t    Object.defineProperty(Tone.AMOscillator.prototype, 'type', {\n\t        get: function () {\n\t            return this._carrier.type;\n\t        },\n\t        set: function (type) {\n\t            this._carrier.type = type;\n\t        }\n\t    });\n\t    /**\n\t\t * The type of the modulator oscillator\n\t\t * @memberOf Tone.AMOscillator#\n\t\t * @type {string}\n\t\t * @name modulationType\n\t\t */\n\t    Object.defineProperty(Tone.AMOscillator.prototype, 'modulationType', {\n\t        get: function () {\n\t            return this._modulator.type;\n\t        },\n\t        set: function (type) {\n\t            this._modulator.type = type;\n\t        }\n\t    });\n\t    /**\n\t\t * The phase of the oscillator in degrees.\n\t\t * @memberOf Tone.AMOscillator#\n\t\t * @type {number}\n\t\t * @name phase\n\t\t */\n\t    Object.defineProperty(Tone.AMOscillator.prototype, 'phase', {\n\t        get: function () {\n\t            return this._carrier.phase;\n\t        },\n\t        set: function (phase) {\n\t            this._carrier.phase = phase;\n\t            this._modulator.phase = phase;\n\t        }\n\t    });\n\t    /**\n\t\t * The partials of the carrier waveform. A partial represents \n\t\t * the amplitude at a harmonic. The first harmonic is the \n\t\t * fundamental frequency, the second is the octave and so on\n\t\t * following the harmonic series. \n\t\t * Setting this value will automatically set the type to \"custom\". \n\t\t * The value is an empty array when the type is not \"custom\". \n\t\t * @memberOf Tone.AMOscillator#\n\t\t * @type {Array}\n\t\t * @name partials\n\t\t * @example\n\t\t * osc.partials = [1, 0.2, 0.01];\n\t\t */\n\t    Object.defineProperty(Tone.AMOscillator.prototype, 'partials', {\n\t        get: function () {\n\t            return this._carrier.partials;\n\t        },\n\t        set: function (partials) {\n\t            this._carrier.partials = partials;\n\t        }\n\t    });\n\t    /**\n\t\t *  Clean up.\n\t\t *  @return {Tone.AMOscillator} this\n\t\t */\n\t    Tone.AMOscillator.prototype.dispose = function () {\n\t        Tone.Source.prototype.dispose.call(this);\n\t        this._writable([\n\t            'frequency',\n\t            'detune',\n\t            'harmonicity'\n\t        ]);\n\t        this.frequency = null;\n\t        this.detune = null;\n\t        this.harmonicity.dispose();\n\t        this.harmonicity = null;\n\t        this._carrier.dispose();\n\t        this._carrier = null;\n\t        this._modulator.dispose();\n\t        this._modulator = null;\n\t        this._modulationNode.dispose();\n\t        this._modulationNode = null;\n\t        this._modulationScale.dispose();\n\t        this._modulationScale = null;\n\t        return this;\n\t    };\n\t    return Tone.AMOscillator;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Tone.FatOscillator \n\t\t *\n\t\t *  @extends {Tone.Oscillator}\n\t\t *  @constructor\n\t\t *  @param {Frequency} frequency The starting frequency of the oscillator. \n\t\t *  @param {String} type The type of the carrier oscillator.\n\t\t *  @param {String} modulationType The type of the modulator oscillator.\n\t\t *  @example\n\t\t * //a sine oscillator frequency-modulated by a square wave\n\t\t * var fmOsc = new Tone.FatOscillator(\"Ab3\", \"sine\", \"square\").toMaster().start();\n\t\t */\n\t    Tone.FatOscillator = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'frequency',\n\t            'type',\n\t            'spread'\n\t        ], Tone.FatOscillator.defaults);\n\t        Tone.Source.call(this, options);\n\t        /**\n\t\t\t *  The oscillator's frequency\n\t\t\t *  @type {Frequency}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.frequency = new Tone.Signal(options.frequency, Tone.Type.Frequency);\n\t        /**\n\t\t\t *  The detune control signal.\n\t\t\t *  @type {Cents}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.detune = new Tone.Signal(options.detune, Tone.Type.Cents);\n\t        /**\n\t\t\t *  The array of oscillators\n\t\t\t *  @type {Array}\n\t\t\t *  @private\n\t\t\t */\n\t        this._oscillators = [];\n\t        /**\n\t\t\t *  The total spread of the oscillators\n\t\t\t *  @type  {Cents}\n\t\t\t *  @private\n\t\t\t */\n\t        this._spread = options.spread;\n\t        /**\n\t\t\t *  The type of the oscillator\n\t\t\t *  @type {String}\n\t\t\t *  @private\n\t\t\t */\n\t        this._type = options.type;\n\t        /**\n\t\t\t *  The phase of the oscillators\n\t\t\t *  @type {Degrees}\n\t\t\t *  @private\n\t\t\t */\n\t        this._phase = options.phase;\n\t        /**\n\t\t\t *  The partials array\n\t\t\t *  @type {Array}\n\t\t\t *  @private\n\t\t\t */\n\t        this._partials = this.defaultArg(options.partials, []);\n\t        //set the count initially\n\t        this.count = options.count;\n\t        this._readOnly([\n\t            'frequency',\n\t            'detune'\n\t        ]);\n\t    };\n\t    Tone.extend(Tone.FatOscillator, Tone.Oscillator);\n\t    /**\n\t\t *  default values\n\t\t *  @static\n\t\t *  @type {Object}\n\t\t *  @const\n\t\t */\n\t    Tone.FatOscillator.defaults = {\n\t        'frequency': 440,\n\t        'detune': 0,\n\t        'phase': 0,\n\t        'spread': 20,\n\t        'count': 3,\n\t        'type': 'sawtooth'\n\t    };\n\t    /**\n\t\t *  start the oscillator\n\t\t *  @param  {Time} [time=now]\n\t\t *  @private\n\t\t */\n\t    Tone.FatOscillator.prototype._start = function (time) {\n\t        time = this.toSeconds(time);\n\t        this._forEach(function (osc) {\n\t            osc.start(time);\n\t        });\n\t    };\n\t    /**\n\t\t *  stop the oscillator\n\t\t *  @param  {Time} time (optional) timing parameter\n\t\t *  @private\n\t\t */\n\t    Tone.FatOscillator.prototype._stop = function (time) {\n\t        time = this.toSeconds(time);\n\t        this._forEach(function (osc) {\n\t            osc.stop(time);\n\t        });\n\t    };\n\t    /**\n\t\t *  Iterate over all of the oscillators\n\t\t *  @param  {Function}  iterator  The iterator function\n\t\t *  @private\n\t\t */\n\t    Tone.FatOscillator.prototype._forEach = function (iterator) {\n\t        for (var i = 0; i < this._oscillators.length; i++) {\n\t            iterator.call(this, this._oscillators[i], i);\n\t        }\n\t    };\n\t    /**\n\t\t * The type of the carrier oscillator\n\t\t * @memberOf Tone.FatOscillator#\n\t\t * @type {string}\n\t\t * @name type\n\t\t */\n\t    Object.defineProperty(Tone.FatOscillator.prototype, 'type', {\n\t        get: function () {\n\t            return this._type;\n\t        },\n\t        set: function (type) {\n\t            this._type = type;\n\t            this._forEach(function (osc) {\n\t                osc.type = type;\n\t            });\n\t        }\n\t    });\n\t    /**\n\t\t * The detune spread between the oscillators. If \"count\" is\n\t\t * set to 3 oscillators and the \"spread\" is set to 40,\n\t\t * the three oscillators would be detuned like this: [-20, 0, 20]\n\t\t * for a total detune spread of 40 cents.\n\t\t * @memberOf Tone.FatOscillator#\n\t\t * @type {Cents}\n\t\t * @name spread\n\t\t */\n\t    Object.defineProperty(Tone.FatOscillator.prototype, 'spread', {\n\t        get: function () {\n\t            return this._spread;\n\t        },\n\t        set: function (spread) {\n\t            this._spread = spread;\n\t            if (this._oscillators.length > 1) {\n\t                var start = -spread / 2;\n\t                var step = spread / (this._oscillators.length - 1);\n\t                this._forEach(function (osc, i) {\n\t                    osc.detune.value = start + step * i;\n\t                });\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t * The number of detuned oscillators\n\t\t * @memberOf Tone.FatOscillator#\n\t\t * @type {Number}\n\t\t * @name count\n\t\t */\n\t    Object.defineProperty(Tone.FatOscillator.prototype, 'count', {\n\t        get: function () {\n\t            return this._oscillators.length;\n\t        },\n\t        set: function (count) {\n\t            count = Math.max(count, 1);\n\t            if (this._oscillators.length !== count) {\n\t                // var partials = this.partials;\n\t                // var type = this.type;\n\t                //dispose the previous oscillators\n\t                this._forEach(function (osc) {\n\t                    osc.dispose();\n\t                });\n\t                this._oscillators = [];\n\t                for (var i = 0; i < count; i++) {\n\t                    var osc = new Tone.Oscillator();\n\t                    if (this.type === Tone.Oscillator.Type.Custom) {\n\t                        osc.partials = this._partials;\n\t                    } else {\n\t                        osc.type = this._type;\n\t                    }\n\t                    osc.phase = this._phase;\n\t                    osc.volume.value = -6 - count;\n\t                    this.frequency.connect(osc.frequency);\n\t                    this.detune.connect(osc.detune);\n\t                    osc.connect(this.output);\n\t                    this._oscillators[i] = osc;\n\t                }\n\t                //set the spread\n\t                this.spread = this._spread;\n\t                if (this.state === Tone.State.Started) {\n\t                    this._forEach(function (osc) {\n\t                        osc.start();\n\t                    });\n\t                }\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t * The phase of the oscillator in degrees.\n\t\t * @memberOf Tone.FatOscillator#\n\t\t * @type {Number}\n\t\t * @name phase\n\t\t */\n\t    Object.defineProperty(Tone.FatOscillator.prototype, 'phase', {\n\t        get: function () {\n\t            return this._phase;\n\t        },\n\t        set: function (phase) {\n\t            this._phase = phase;\n\t            this._forEach(function (osc) {\n\t                osc.phase = phase;\n\t            });\n\t        }\n\t    });\n\t    /**\n\t\t * The partials of the carrier waveform. A partial represents \n\t\t * the amplitude at a harmonic. The first harmonic is the \n\t\t * fundamental frequency, the second is the octave and so on\n\t\t * following the harmonic series. \n\t\t * Setting this value will automatically set the type to \"custom\". \n\t\t * The value is an empty array when the type is not \"custom\". \n\t\t * @memberOf Tone.FatOscillator#\n\t\t * @type {Array}\n\t\t * @name partials\n\t\t * @example\n\t\t * osc.partials = [1, 0.2, 0.01];\n\t\t */\n\t    Object.defineProperty(Tone.FatOscillator.prototype, 'partials', {\n\t        get: function () {\n\t            return this._partials;\n\t        },\n\t        set: function (partials) {\n\t            this._partials = partials;\n\t            this._type = Tone.Oscillator.Type.Custom;\n\t            this._forEach(function (osc) {\n\t                osc.partials = partials;\n\t            });\n\t        }\n\t    });\n\t    /**\n\t\t *  Clean up.\n\t\t *  @return {Tone.FatOscillator} this\n\t\t */\n\t    Tone.FatOscillator.prototype.dispose = function () {\n\t        Tone.Source.prototype.dispose.call(this);\n\t        this._writable([\n\t            'frequency',\n\t            'detune'\n\t        ]);\n\t        this.frequency.dispose();\n\t        this.frequency = null;\n\t        this.detune.dispose();\n\t        this.detune = null;\n\t        this._forEach(function (osc) {\n\t            osc.dispose();\n\t        });\n\t        this._oscillators = null;\n\t        this._partials = null;\n\t        return this;\n\t    };\n\t    return Tone.FatOscillator;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Tone.OmniOscillator aggregates Tone.Oscillator, Tone.PulseOscillator,\n\t\t *         Tone.PWMOscillator, Tone.FMOscillator, Tone.AMOscillator, and Tone.FatOscillator\n\t\t *         into one class. The oscillator class can be changed by setting the `type`. \n\t\t *         `omniOsc.type = \"pwm\"` will set it to the Tone.PWMOscillator. Prefixing\n\t\t *         any of the basic types (\"sine\", \"square4\", etc.) with \"fm\", \"am\", or \"fat\"\n\t\t *         will use the FMOscillator, AMOscillator or FatOscillator respectively. \n\t\t *         For example: `omniOsc.type = \"fatsawtooth\"` will create set the oscillator\n\t\t *         to a FatOscillator of type \"sawtooth\". \n\t\t *\n\t\t *  @extends {Tone.Oscillator}\n\t\t *  @constructor\n\t\t *  @param {Frequency} frequency The initial frequency of the oscillator.\n\t\t *  @param {String} type The type of the oscillator.\n\t\t *  @example\n\t\t *  var omniOsc = new Tone.OmniOscillator(\"C#4\", \"pwm\");\n\t\t */\n\t    Tone.OmniOscillator = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'frequency',\n\t            'type'\n\t        ], Tone.OmniOscillator.defaults);\n\t        Tone.Source.call(this, options);\n\t        /**\n\t\t\t *  The frequency control.\n\t\t\t *  @type {Frequency}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.frequency = new Tone.Signal(options.frequency, Tone.Type.Frequency);\n\t        /**\n\t\t\t *  The detune control\n\t\t\t *  @type {Cents}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.detune = new Tone.Signal(options.detune, Tone.Type.Cents);\n\t        /**\n\t\t\t *  the type of the oscillator source\n\t\t\t *  @type {String}\n\t\t\t *  @private\n\t\t\t */\n\t        this._sourceType = undefined;\n\t        /**\n\t\t\t *  the oscillator\n\t\t\t *  @type {Tone.Oscillator}\n\t\t\t *  @private\n\t\t\t */\n\t        this._oscillator = null;\n\t        //set the oscillator\n\t        this.type = options.type;\n\t        this._readOnly([\n\t            'frequency',\n\t            'detune'\n\t        ]);\n\t        //set the options\n\t        this.set(options);\n\t    };\n\t    Tone.extend(Tone.OmniOscillator, Tone.Oscillator);\n\t    /**\n\t\t *  default values\n\t\t *  @static\n\t\t *  @type {Object}\n\t\t *  @const\n\t\t */\n\t    Tone.OmniOscillator.defaults = {\n\t        'frequency': 440,\n\t        'detune': 0,\n\t        'type': 'sine',\n\t        'phase': 0\n\t    };\n\t    /**\n\t\t *  @enum {String}\n\t\t *  @private\n\t\t */\n\t    var OmniOscType = {\n\t        Pulse: 'PulseOscillator',\n\t        PWM: 'PWMOscillator',\n\t        Osc: 'Oscillator',\n\t        FM: 'FMOscillator',\n\t        AM: 'AMOscillator',\n\t        Fat: 'FatOscillator'\n\t    };\n\t    /**\n\t\t *  start the oscillator\n\t\t *  @param {Time} [time=now] the time to start the oscillator\n\t\t *  @private\n\t\t */\n\t    Tone.OmniOscillator.prototype._start = function (time) {\n\t        this._oscillator.start(time);\n\t    };\n\t    /**\n\t\t *  start the oscillator\n\t\t *  @param {Time} [time=now] the time to start the oscillator\n\t\t *  @private\n\t\t */\n\t    Tone.OmniOscillator.prototype._stop = function (time) {\n\t        this._oscillator.stop(time);\n\t    };\n\t    /**\n\t\t * The type of the oscillator. Can be any of the basic types: sine, square, triangle, sawtooth. Or\n\t\t * prefix the basic types with \"fm\", \"am\", or \"fat\" to use the FMOscillator, AMOscillator or FatOscillator\n\t\t * types. The oscillator could also be set to \"pwm\" or \"pulse\". All of the parameters of the\n\t\t * oscillator's class are accessible when the oscillator is set to that type, but throws an error \n\t\t * when it's not.\n\t\t * \n\t\t * @memberOf Tone.OmniOscillator#\n\t\t * @type {String}\n\t\t * @name type\n\t\t * @example\n\t\t * omniOsc.type = \"pwm\";\n\t\t * //modulationFrequency is parameter which is available\n\t\t * //only when the type is \"pwm\". \n\t\t * omniOsc.modulationFrequency.value = 0.5;\n\t\t * @example\n\t\t * //an square wave frequency modulated by a sawtooth\n\t\t * omniOsc.type = \"fmsquare\";\n\t\t * omniOsc.modulationType = \"sawtooth\";\n\t\t */\n\t    Object.defineProperty(Tone.OmniOscillator.prototype, 'type', {\n\t        get: function () {\n\t            var prefix = '';\n\t            if (this._sourceType === OmniOscType.FM) {\n\t                prefix = 'fm';\n\t            } else if (this._sourceType === OmniOscType.AM) {\n\t                prefix = 'am';\n\t            } else if (this._sourceType === OmniOscType.Fat) {\n\t                prefix = 'fat';\n\t            }\n\t            return prefix + this._oscillator.type;\n\t        },\n\t        set: function (type) {\n\t            if (type.substr(0, 2) === 'fm') {\n\t                this._createNewOscillator(OmniOscType.FM);\n\t                this._oscillator.type = type.substr(2);\n\t            } else if (type.substr(0, 2) === 'am') {\n\t                this._createNewOscillator(OmniOscType.AM);\n\t                this._oscillator.type = type.substr(2);\n\t            } else if (type.substr(0, 3) === 'fat') {\n\t                this._createNewOscillator(OmniOscType.Fat);\n\t                this._oscillator.type = type.substr(3);\n\t            } else if (type === 'pwm') {\n\t                this._createNewOscillator(OmniOscType.PWM);\n\t            } else if (type === 'pulse') {\n\t                this._createNewOscillator(OmniOscType.Pulse);\n\t            } else {\n\t                this._createNewOscillator(OmniOscType.Osc);\n\t                this._oscillator.type = type;\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t * The partials of the waveform. A partial represents \n\t\t * the amplitude at a harmonic. The first harmonic is the \n\t\t * fundamental frequency, the second is the octave and so on\n\t\t * following the harmonic series. \n\t\t * Setting this value will automatically set the type to \"custom\". \n\t\t * The value is an empty array when the type is not \"custom\". \n\t\t * This is not available on \"pwm\" and \"pulse\" oscillator types.\n\t\t * @memberOf Tone.OmniOscillator#\n\t\t * @type {Array}\n\t\t * @name partials\n\t\t * @example\n\t\t * osc.partials = [1, 0.2, 0.01];\n\t\t */\n\t    Object.defineProperty(Tone.OmniOscillator.prototype, 'partials', {\n\t        get: function () {\n\t            return this._oscillator.partials;\n\t        },\n\t        set: function (partials) {\n\t            this._oscillator.partials = partials;\n\t        }\n\t    });\n\t    /**\n\t\t *  Set a member/attribute of the oscillator. \n\t\t *  @param {Object|String} params\n\t\t *  @param {number=} value\n\t\t *  @param {Time=} rampTime\n\t\t *  @returns {Tone.OmniOscillator} this\n\t\t */\n\t    Tone.OmniOscillator.prototype.set = function (params, value) {\n\t        //make sure the type is set first\n\t        if (params === 'type') {\n\t            this.type = value;\n\t        } else if (this.isObject(params) && params.hasOwnProperty('type')) {\n\t            this.type = params.type;\n\t        }\n\t        //then set the rest\n\t        Tone.prototype.set.apply(this, arguments);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  connect the oscillator to the frequency and detune signals\n\t\t *  @private\n\t\t */\n\t    Tone.OmniOscillator.prototype._createNewOscillator = function (oscType) {\n\t        if (oscType !== this._sourceType) {\n\t            this._sourceType = oscType;\n\t            var OscillatorConstructor = Tone[oscType];\n\t            //short delay to avoid clicks on the change\n\t            var now = this.now() + this.blockTime;\n\t            if (this._oscillator !== null) {\n\t                var oldOsc = this._oscillator;\n\t                oldOsc.stop(now);\n\t                //dispose the old one\n\t                setTimeout(function () {\n\t                    oldOsc.dispose();\n\t                    oldOsc = null;\n\t                }, this.blockTime * 1000);\n\t            }\n\t            this._oscillator = new OscillatorConstructor();\n\t            this.frequency.connect(this._oscillator.frequency);\n\t            this.detune.connect(this._oscillator.detune);\n\t            this._oscillator.connect(this.output);\n\t            if (this.state === Tone.State.Started) {\n\t                this._oscillator.start(now);\n\t            }\n\t        }\n\t    };\n\t    /**\n\t\t * The phase of the oscillator in degrees. \n\t\t * @memberOf Tone.OmniOscillator#\n\t\t * @type {Degrees}\n\t\t * @name phase\n\t\t */\n\t    Object.defineProperty(Tone.OmniOscillator.prototype, 'phase', {\n\t        get: function () {\n\t            return this._oscillator.phase;\n\t        },\n\t        set: function (phase) {\n\t            this._oscillator.phase = phase;\n\t        }\n\t    });\n\t    /**\n\t\t * The width of the oscillator (only if the oscillator is set to \"pulse\")\n\t\t * @memberOf Tone.OmniOscillator#\n\t\t * @type {NormalRange}\n\t\t * @signal\n\t\t * @name width\n\t\t * @example\n\t\t * var omniOsc = new Tone.OmniOscillator(440, \"pulse\");\n\t\t * //can access the width attribute only if type === \"pulse\"\n\t\t * omniOsc.width.value = 0.2; \n\t\t */\n\t    Object.defineProperty(Tone.OmniOscillator.prototype, 'width', {\n\t        get: function () {\n\t            if (this._sourceType === OmniOscType.Pulse) {\n\t                return this._oscillator.width;\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t * The number of detuned oscillators\n\t\t * @memberOf Tone.OmniOscillator#\n\t\t * @type {Number}\n\t\t * @name count\n\t\t */\n\t    Object.defineProperty(Tone.OmniOscillator.prototype, 'count', {\n\t        get: function () {\n\t            if (this._sourceType === OmniOscType.Fat) {\n\t                return this._oscillator.count;\n\t            }\n\t        },\n\t        set: function (count) {\n\t            if (this._sourceType === OmniOscType.Fat) {\n\t                this._oscillator.count = count;\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t * The detune spread between the oscillators. If \"count\" is\n\t\t * set to 3 oscillators and the \"spread\" is set to 40,\n\t\t * the three oscillators would be detuned like this: [-20, 0, 20]\n\t\t * for a total detune spread of 40 cents. See Tone.FatOscillator\n\t\t * for more info.\n\t\t * @memberOf Tone.OmniOscillator#\n\t\t * @type {Cents}\n\t\t * @name spread\n\t\t */\n\t    Object.defineProperty(Tone.OmniOscillator.prototype, 'spread', {\n\t        get: function () {\n\t            if (this._sourceType === OmniOscType.Fat) {\n\t                return this._oscillator.spread;\n\t            }\n\t        },\n\t        set: function (spread) {\n\t            if (this._sourceType === OmniOscType.Fat) {\n\t                this._oscillator.spread = spread;\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t * The type of the modulator oscillator. Only if the oscillator\n\t\t * is set to \"am\" or \"fm\" types. see. Tone.AMOscillator or Tone.FMOscillator\n\t\t * for more info. \n\t\t * @memberOf Tone.OmniOscillator#\n\t\t * @type {String}\n\t\t * @name modulationType\n\t\t */\n\t    Object.defineProperty(Tone.OmniOscillator.prototype, 'modulationType', {\n\t        get: function () {\n\t            if (this._sourceType === OmniOscType.FM || this._sourceType === OmniOscType.AM) {\n\t                return this._oscillator.modulationType;\n\t            }\n\t        },\n\t        set: function (mType) {\n\t            if (this._sourceType === OmniOscType.FM || this._sourceType === OmniOscType.AM) {\n\t                this._oscillator.modulationType = mType;\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t * The modulation index which is in essence the depth or amount of the modulation. In other terms it is the \n\t\t * ratio of the frequency of the modulating signal (mf) to the amplitude of the \n\t\t * modulating signal (ma) -- as in ma/mf. \n\t\t * See Tone.FMOscillator for more info. \n\t\t * @type {Positive}\n\t\t * @signal\n\t\t * @name modulationIndex\n\t\t */\n\t    Object.defineProperty(Tone.OmniOscillator.prototype, 'modulationIndex', {\n\t        get: function () {\n\t            if (this._sourceType === OmniOscType.FM) {\n\t                return this._oscillator.modulationIndex;\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t *  Harmonicity is the frequency ratio between the carrier and the modulator oscillators. \n\t\t *  A harmonicity of 1 gives both oscillators the same frequency. \n\t\t *  Harmonicity = 2 means a change of an octave. See Tone.AMOscillator or Tone.FMOscillator\n\t\t *  for more info. \n\t\t *  @memberOf Tone.OmniOscillator#\n\t\t *  @signal\n\t\t *  @type {Positive}\n\t\t *  @name harmonicity\n\t\t */\n\t    Object.defineProperty(Tone.OmniOscillator.prototype, 'harmonicity', {\n\t        get: function () {\n\t            if (this._sourceType === OmniOscType.FM || this._sourceType === OmniOscType.AM) {\n\t                return this._oscillator.harmonicity;\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t * The modulationFrequency Signal of the oscillator \n\t\t * (only if the oscillator type is set to pwm). See \n\t\t * Tone.PWMOscillator for more info. \n\t\t * @memberOf Tone.OmniOscillator#\n\t\t * @type {Frequency}\n\t\t * @signal\n\t\t * @name modulationFrequency\n\t\t * @example\n\t\t * var omniOsc = new Tone.OmniOscillator(440, \"pwm\");\n\t\t * //can access the modulationFrequency attribute only if type === \"pwm\"\n\t\t * omniOsc.modulationFrequency.value = 0.2; \n\t\t */\n\t    Object.defineProperty(Tone.OmniOscillator.prototype, 'modulationFrequency', {\n\t        get: function () {\n\t            if (this._sourceType === OmniOscType.PWM) {\n\t                return this._oscillator.modulationFrequency;\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t *  Clean up.\n\t\t *  @return {Tone.OmniOscillator} this\n\t\t */\n\t    Tone.OmniOscillator.prototype.dispose = function () {\n\t        Tone.Source.prototype.dispose.call(this);\n\t        this._writable([\n\t            'frequency',\n\t            'detune'\n\t        ]);\n\t        this.detune.dispose();\n\t        this.detune = null;\n\t        this.frequency.dispose();\n\t        this.frequency = null;\n\t        this._oscillator.dispose();\n\t        this._oscillator = null;\n\t        this._sourceType = null;\n\t        return this;\n\t    };\n\t    return Tone.OmniOscillator;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  Base-class for all instruments\n\t\t *  \n\t\t *  @constructor\n\t\t *  @extends {Tone}\n\t\t */\n\t    Tone.Instrument = function (options) {\n\t        //get the defaults\n\t        options = this.defaultArg(options, Tone.Instrument.defaults);\n\t        /**\n\t\t\t *  The output and volume triming node\n\t\t\t *  @type  {Tone.Volume}\n\t\t\t *  @private\n\t\t\t */\n\t        this._volume = this.output = new Tone.Volume(options.volume);\n\t        /**\n\t\t\t * The volume of the output in decibels.\n\t\t\t * @type {Decibels}\n\t\t\t * @signal\n\t\t\t * @example\n\t\t\t * source.volume.value = -6;\n\t\t\t */\n\t        this.volume = this._volume.volume;\n\t        this._readOnly('volume');\n\t    };\n\t    Tone.extend(Tone.Instrument);\n\t    /**\n\t\t *  the default attributes\n\t\t *  @type {object}\n\t\t */\n\t    Tone.Instrument.defaults = {\n\t        /** the volume of the output in decibels */\n\t        'volume': 0\n\t    };\n\t    /**\n\t\t *  @abstract\n\t\t *  @param {string|number} note the note to trigger\n\t\t *  @param {Time} [time=now] the time to trigger the ntoe\n\t\t *  @param {number} [velocity=1] the velocity to trigger the note\n\t\t */\n\t    Tone.Instrument.prototype.triggerAttack = Tone.noOp;\n\t    /**\n\t\t *  @abstract\n\t\t *  @param {Time} [time=now] when to trigger the release\n\t\t */\n\t    Tone.Instrument.prototype.triggerRelease = Tone.noOp;\n\t    /**\n\t\t *  Trigger the attack and then the release after the duration. \n\t\t *  @param  {Frequency} note     The note to trigger.\n\t\t *  @param  {Time} duration How long the note should be held for before\n\t\t *                          triggering the release. This value must be greater than 0. \n\t\t *  @param {Time} [time=now]  When the note should be triggered.\n\t\t *  @param  {NormalRange} [velocity=1] The velocity the note should be triggered at.\n\t\t *  @returns {Tone.Instrument} this\n\t\t *  @example\n\t\t * //trigger \"C4\" for the duration of an 8th note\n\t\t * synth.triggerAttackRelease(\"C4\", \"8n\");\n\t\t */\n\t    Tone.Instrument.prototype.triggerAttackRelease = function (note, duration, time, velocity) {\n\t        if (this.isUndef(time)) {\n\t            time = this.now() + this.blockTime;\n\t        } else {\n\t            time = this.toSeconds(time);\n\t        }\n\t        duration = this.toSeconds(duration);\n\t        this.triggerAttack(note, time, velocity);\n\t        this.triggerRelease(time + duration);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  clean up\n\t\t *  @returns {Tone.Instrument} this\n\t\t */\n\t    Tone.Instrument.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._volume.dispose();\n\t        this._volume = null;\n\t        this._writable(['volume']);\n\t        this.volume = null;\n\t        return this;\n\t    };\n\t    return Tone.Instrument;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  This is an abstract base class for other monophonic instruments to \n\t\t *          extend. IMPORTANT: It does not make any sound on its own and\n\t\t *          shouldn't be directly instantiated.\n\t\t *\n\t\t *  @constructor\n\t\t *  @abstract\n\t\t *  @extends {Tone.Instrument}\n\t\t */\n\t    Tone.Monophonic = function (options) {\n\t        //get the defaults\n\t        options = this.defaultArg(options, Tone.Monophonic.defaults);\n\t        Tone.Instrument.call(this, options);\n\t        /**\n\t\t\t *  The glide time between notes. \n\t\t\t *  @type {Time}\n\t\t\t */\n\t        this.portamento = options.portamento;\n\t    };\n\t    Tone.extend(Tone.Monophonic, Tone.Instrument);\n\t    /**\n\t\t *  @static\n\t\t *  @const\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.Monophonic.defaults = { 'portamento': 0 };\n\t    /**\n\t\t *  Trigger the attack of the note optionally with a given velocity. \n\t\t *  \n\t\t *  \n\t\t *  @param  {Frequency} note     The note to trigger.\n\t\t *  @param  {Time} [time=now]     When the note should start.\n\t\t *  @param  {number} [velocity=1] velocity The velocity scaler \n\t\t *                                determines how \"loud\" the note \n\t\t *                                will be triggered.\n\t\t *  @returns {Tone.Monophonic} this\n\t\t *  @example\n\t\t * synth.triggerAttack(\"C4\");\n\t\t *  @example\n\t\t * //trigger the note a half second from now at half velocity\n\t\t * synth.triggerAttack(\"C4\", \"+0.5\", 0.5);\n\t\t */\n\t    Tone.Monophonic.prototype.triggerAttack = function (note, time, velocity) {\n\t        if (this.isUndef(time)) {\n\t            time = this.now() + this.blockTime;\n\t        } else {\n\t            time = this.toSeconds(time);\n\t        }\n\t        this._triggerEnvelopeAttack(time, velocity);\n\t        this.setNote(note, time);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Trigger the release portion of the envelope\n\t\t *  @param  {Time} [time=now] If no time is given, the release happens immediatly\n\t\t *  @returns {Tone.Monophonic} this\n\t\t *  @example\n\t\t * synth.triggerRelease();\n\t\t */\n\t    Tone.Monophonic.prototype.triggerRelease = function (time) {\n\t        if (this.isUndef(time)) {\n\t            time = this.now() + this.blockTime;\n\t        } else {\n\t            time = this.toSeconds(time);\n\t        }\n\t        this._triggerEnvelopeRelease(time);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  override this method with the actual method\n\t\t *  @abstract\n\t\t *  @private\n\t\t */\n\t    Tone.Monophonic.prototype._triggerEnvelopeAttack = function () {\n\t    };\n\t    /**\n\t\t *  override this method with the actual method\n\t\t *  @abstract\n\t\t *  @private\n\t\t */\n\t    Tone.Monophonic.prototype._triggerEnvelopeRelease = function () {\n\t    };\n\t    /**\n\t\t *  Set the note at the given time. If no time is given, the note\n\t\t *  will set immediately. \n\t\t *  @param {Frequency} note The note to change to.\n\t\t *  @param  {Time} [time=now] The time when the note should be set. \n\t\t *  @returns {Tone.Monophonic} this\n\t\t * @example\n\t\t * //change to F#6 in one quarter note from now.\n\t\t * synth.setNote(\"F#6\", \"+4n\");\n\t\t * @example\n\t\t * //change to Bb4 right now\n\t\t * synth.setNote(\"Bb4\");\n\t\t */\n\t    Tone.Monophonic.prototype.setNote = function (note, time) {\n\t        time = this.toSeconds(time);\n\t        if (this.portamento > 0) {\n\t            var currentNote = this.frequency.value;\n\t            this.frequency.setValueAtTime(currentNote, time);\n\t            var portTime = this.toSeconds(this.portamento);\n\t            this.frequency.exponentialRampToValueAtTime(note, time + portTime);\n\t        } else {\n\t            this.frequency.setValueAtTime(note, time);\n\t        }\n\t        return this;\n\t    };\n\t    return Tone.Monophonic;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  Tone.Synth is composed simply of a Tone.OmniOscillator\n\t\t *          routed through a Tone.AmplitudeEnvelope. \n\t\t *          <img src=\"https://docs.google.com/drawings/d/1-1_0YW2Z1J2EPI36P8fNCMcZG7N1w1GZluPs4og4evo/pub?w=1163&h=231\">\n\t\t *\n\t\t *  @constructor\n\t\t *  @extends {Tone.Monophonic}\n\t\t *  @param {Object} [options] the options available for the synth \n\t\t *                          see defaults below\n\t\t *  @example\n\t\t * var synth = new Tone.Synth().toMaster();\n\t\t * synth.triggerAttackRelease(\"C4\", \"8n\");\n\t\t */\n\t    Tone.Synth = function (options) {\n\t        //get the defaults\n\t        options = this.defaultArg(options, Tone.Synth.defaults);\n\t        Tone.Monophonic.call(this, options);\n\t        /**\n\t\t\t *  The oscillator.\n\t\t\t *  @type {Tone.OmniOscillator}\n\t\t\t */\n\t        this.oscillator = new Tone.OmniOscillator(options.oscillator);\n\t        /**\n\t\t\t *  The frequency control.\n\t\t\t *  @type {Frequency}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.frequency = this.oscillator.frequency;\n\t        /**\n\t\t\t *  The detune control.\n\t\t\t *  @type {Cents}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.detune = this.oscillator.detune;\n\t        /**\n\t\t\t *  The amplitude envelope.\n\t\t\t *  @type {Tone.AmplitudeEnvelope}\n\t\t\t */\n\t        this.envelope = new Tone.AmplitudeEnvelope(options.envelope);\n\t        //connect the oscillators to the output\n\t        this.oscillator.chain(this.envelope, this.output);\n\t        //start the oscillators\n\t        this.oscillator.start();\n\t        this._readOnly([\n\t            'oscillator',\n\t            'frequency',\n\t            'detune',\n\t            'envelope'\n\t        ]);\n\t    };\n\t    Tone.extend(Tone.Synth, Tone.Monophonic);\n\t    /**\n\t\t *  @const\n\t\t *  @static\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.Synth.defaults = {\n\t        'oscillator': { 'type': 'triangle' },\n\t        'envelope': {\n\t            'attack': 0.005,\n\t            'decay': 0.1,\n\t            'sustain': 0.3,\n\t            'release': 1\n\t        }\n\t    };\n\t    /**\n\t\t *  start the attack portion of the envelope\n\t\t *  @param {Time} [time=now] the time the attack should start\n\t\t *  @param {number} [velocity=1] the velocity of the note (0-1)\n\t\t *  @returns {Tone.Synth} this\n\t\t *  @private\n\t\t */\n\t    Tone.Synth.prototype._triggerEnvelopeAttack = function (time, velocity) {\n\t        //the envelopes\n\t        this.envelope.triggerAttack(time, velocity);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  start the release portion of the envelope\n\t\t *  @param {Time} [time=now] the time the release should start\n\t\t *  @returns {Tone.Synth} this\n\t\t *  @private\n\t\t */\n\t    Tone.Synth.prototype._triggerEnvelopeRelease = function (time) {\n\t        this.envelope.triggerRelease(time);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  clean up\n\t\t *  @returns {Tone.Synth} this\n\t\t */\n\t    Tone.Synth.prototype.dispose = function () {\n\t        Tone.Monophonic.prototype.dispose.call(this);\n\t        this._writable([\n\t            'oscillator',\n\t            'frequency',\n\t            'detune',\n\t            'envelope'\n\t        ]);\n\t        this.oscillator.dispose();\n\t        this.oscillator = null;\n\t        this.envelope.dispose();\n\t        this.envelope = null;\n\t        this.frequency = null;\n\t        this.detune = null;\n\t        return this;\n\t    };\n\t    return Tone.Synth;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  AMSynth uses the output of one Tone.Synth to modulate the\n\t\t *          amplitude of another Tone.Synth. The harmonicity (the ratio between\n\t\t *          the two signals) affects the timbre of the output signal greatly.\n\t\t *          Read more about Amplitude Modulation Synthesis on \n\t\t *          [SoundOnSound](http://www.soundonsound.com/sos/mar00/articles/synthsecrets.htm).\n\t\t *          <img src=\"https://docs.google.com/drawings/d/1TQu8Ed4iFr1YTLKpB3U1_hur-UwBrh5gdBXc8BxfGKw/pub?w=1009&h=457\">\n\t\t *\n\t\t *  @constructor\n\t\t *  @extends {Tone.Monophonic}\n\t\t *  @param {Object} [options] the options available for the synth \n\t\t *                            see defaults below\n\t\t *  @example\n\t\t * var synth = new Tone.AMSynth().toMaster();\n\t\t * synth.triggerAttackRelease(\"C4\", \"4n\");\n\t\t */\n\t    Tone.AMSynth = function (options) {\n\t        options = this.defaultArg(options, Tone.AMSynth.defaults);\n\t        Tone.Monophonic.call(this, options);\n\t        /**\n\t\t\t *  The carrier voice. \n\t\t\t *  @type {Tone.Synth}\n\t\t\t *  @private\n\t\t\t */\n\t        this._carrier = new Tone.Synth();\n\t        this._carrier.volume.value = -10;\n\t        /**\n\t\t\t *  The carrier's oscillator\n\t\t\t *  @type {Tone.Oscillator}\n\t\t\t */\n\t        this.oscillator = this._carrier.oscillator;\n\t        /**\n\t\t\t *  The carrier's envelope\n\t\t\t *  @type {Tone.AmplitudeEnvelope}\n\t\t\t */\n\t        this.envelope = this._carrier.envelope.set(options.envelope);\n\t        /**\n\t\t\t *  The modulator voice. \n\t\t\t *  @type {Tone.Synth}\n\t\t\t *  @private\n\t\t\t */\n\t        this._modulator = new Tone.Synth();\n\t        this._modulator.volume.value = -10;\n\t        /**\n\t\t\t *  The modulator's oscillator which is applied\n\t\t\t *  to the amplitude of the oscillator\n\t\t\t *  @type {Tone.Oscillator}\n\t\t\t */\n\t        this.modulation = this._modulator.oscillator.set(options.modulation);\n\t        /**\n\t\t\t *  The modulator's envelope\n\t\t\t *  @type {Tone.AmplitudeEnvelope}\n\t\t\t */\n\t        this.modulationEnvelope = this._modulator.envelope.set(options.modulationEnvelope);\n\t        /**\n\t\t\t *  The frequency.\n\t\t\t *  @type {Frequency}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.frequency = new Tone.Signal(440, Tone.Type.Frequency);\n\t        /**\n\t\t\t *  The detune in cents\n\t\t\t *  @type {Cents}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.detune = new Tone.Signal(options.detune, Tone.Type.Cents);\n\t        /**\n\t\t\t *  Harmonicity is the ratio between the two voices. A harmonicity of\n\t\t\t *  1 is no change. Harmonicity = 2 means a change of an octave. \n\t\t\t *  @type {Positive}\n\t\t\t *  @signal\n\t\t\t *  @example\n\t\t\t * //pitch voice1 an octave below voice0\n\t\t\t * synth.harmonicity.value = 0.5;\n\t\t\t */\n\t        this.harmonicity = new Tone.Multiply(options.harmonicity);\n\t        this.harmonicity.units = Tone.Type.Positive;\n\t        /**\n\t\t\t *  convert the -1,1 output to 0,1\n\t\t\t *  @type {Tone.AudioToGain}\n\t\t\t *  @private\n\t\t\t */\n\t        this._modulationScale = new Tone.AudioToGain();\n\t        /**\n\t\t\t *  the node where the modulation happens\n\t\t\t *  @type {Tone.Gain}\n\t\t\t *  @private\n\t\t\t */\n\t        this._modulationNode = new Tone.Gain();\n\t        //control the two voices frequency\n\t        this.frequency.connect(this._carrier.frequency);\n\t        this.frequency.chain(this.harmonicity, this._modulator.frequency);\n\t        this.detune.fan(this._carrier.detune, this._modulator.detune);\n\t        this._modulator.chain(this._modulationScale, this._modulationNode.gain);\n\t        this._carrier.chain(this._modulationNode, this.output);\n\t        this._readOnly([\n\t            'frequency',\n\t            'harmonicity',\n\t            'oscillator',\n\t            'envelope',\n\t            'modulation',\n\t            'modulationEnvelope',\n\t            'detune'\n\t        ]);\n\t    };\n\t    Tone.extend(Tone.AMSynth, Tone.Monophonic);\n\t    /**\n\t\t *  @static\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.AMSynth.defaults = {\n\t        'harmonicity': 3,\n\t        'detune': 0,\n\t        'oscillator': { 'type': 'sine' },\n\t        'envelope': {\n\t            'attack': 0.01,\n\t            'decay': 0.01,\n\t            'sustain': 1,\n\t            'release': 0.5\n\t        },\n\t        'modulation': { 'type': 'square' },\n\t        'modulationEnvelope': {\n\t            'attack': 0.5,\n\t            'decay': 0,\n\t            'sustain': 1,\n\t            'release': 0.5\n\t        }\n\t    };\n\t    /**\n\t\t *  trigger the attack portion of the note\n\t\t *  \n\t\t *  @param  {Time} [time=now] the time the note will occur\n\t\t *  @param {NormalRange} [velocity=1] the velocity of the note\n\t\t *  @private\n\t\t *  @returns {Tone.AMSynth} this\n\t\t */\n\t    Tone.AMSynth.prototype._triggerEnvelopeAttack = function (time, velocity) {\n\t        //the port glide\n\t        time = this.toSeconds(time);\n\t        //the envelopes\n\t        this.envelope.triggerAttack(time, velocity);\n\t        this.modulationEnvelope.triggerAttack(time, velocity);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  trigger the release portion of the note\n\t\t *  \n\t\t *  @param  {Time} [time=now] the time the note will release\n\t\t *  @private\n\t\t *  @returns {Tone.AMSynth} this\n\t\t */\n\t    Tone.AMSynth.prototype._triggerEnvelopeRelease = function (time) {\n\t        this.envelope.triggerRelease(time);\n\t        this.modulationEnvelope.triggerRelease(time);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  clean up\n\t\t *  @returns {Tone.AMSynth} this\n\t\t */\n\t    Tone.AMSynth.prototype.dispose = function () {\n\t        Tone.Monophonic.prototype.dispose.call(this);\n\t        this._writable([\n\t            'frequency',\n\t            'harmonicity',\n\t            'oscillator',\n\t            'envelope',\n\t            'modulation',\n\t            'modulationEnvelope',\n\t            'detune'\n\t        ]);\n\t        this._carrier.dispose();\n\t        this._carrier = null;\n\t        this._modulator.dispose();\n\t        this._modulator = null;\n\t        this.frequency.dispose();\n\t        this.frequency = null;\n\t        this.detune.dispose();\n\t        this.detune = null;\n\t        this.harmonicity.dispose();\n\t        this.harmonicity = null;\n\t        this._modulationScale.dispose();\n\t        this._modulationScale = null;\n\t        this._modulationNode.dispose();\n\t        this._modulationNode = null;\n\t        this.oscillator = null;\n\t        this.envelope = null;\n\t        this.modulationEnvelope = null;\n\t        this.modulation = null;\n\t        return this;\n\t    };\n\t    return Tone.AMSynth;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  Tone.MonoSynth is composed of one oscillator, one filter, and two envelopes.\n\t\t *          The amplitude of the Tone.Oscillator and the cutoff frequency of the \n\t\t *          Tone.Filter are controlled by Tone.Envelopes. \n\t\t *          <img src=\"https://docs.google.com/drawings/d/1gaY1DF9_Hzkodqf8JI1Cg2VZfwSElpFQfI94IQwad38/pub?w=924&h=240\">\n\t\t *          \n\t\t *  @constructor\n\t\t *  @extends {Tone.Monophonic}\n\t\t *  @param {Object} [options] the options available for the synth \n\t\t *                          see defaults below\n\t\t *  @example\n\t\t * var synth = new Tone.MonoSynth({\n\t\t * \t\"oscillator\" : {\n\t\t * \t\t\"type\" : \"square\"\n\t\t *  },\n\t\t *  \"envelope\" : {\n\t\t *  \t\"attack\" : 0.1\n\t\t *  }\n\t\t * }).toMaster();\n\t\t * synth.triggerAttackRelease(\"C4\", \"8n\");\n\t\t */\n\t    Tone.MonoSynth = function (options) {\n\t        //get the defaults\n\t        options = this.defaultArg(options, Tone.MonoSynth.defaults);\n\t        Tone.Monophonic.call(this, options);\n\t        /**\n\t\t\t *  The oscillator.\n\t\t\t *  @type {Tone.OmniOscillator}\n\t\t\t */\n\t        this.oscillator = new Tone.OmniOscillator(options.oscillator);\n\t        /**\n\t\t\t *  The frequency control.\n\t\t\t *  @type {Frequency}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.frequency = this.oscillator.frequency;\n\t        /**\n\t\t\t *  The detune control.\n\t\t\t *  @type {Cents}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.detune = this.oscillator.detune;\n\t        /**\n\t\t\t *  The filter.\n\t\t\t *  @type {Tone.Filter}\n\t\t\t */\n\t        this.filter = new Tone.Filter(options.filter);\n\t        /**\n\t\t\t *  The filter envelope.\n\t\t\t *  @type {Tone.FrequencyEnvelope}\n\t\t\t */\n\t        this.filterEnvelope = new Tone.FrequencyEnvelope(options.filterEnvelope);\n\t        /**\n\t\t\t *  The amplitude envelope.\n\t\t\t *  @type {Tone.AmplitudeEnvelope}\n\t\t\t */\n\t        this.envelope = new Tone.AmplitudeEnvelope(options.envelope);\n\t        //connect the oscillators to the output\n\t        this.oscillator.chain(this.filter, this.envelope, this.output);\n\t        //start the oscillators\n\t        this.oscillator.start();\n\t        //connect the filter envelope\n\t        this.filterEnvelope.connect(this.filter.frequency);\n\t        this._readOnly([\n\t            'oscillator',\n\t            'frequency',\n\t            'detune',\n\t            'filter',\n\t            'filterEnvelope',\n\t            'envelope'\n\t        ]);\n\t    };\n\t    Tone.extend(Tone.MonoSynth, Tone.Monophonic);\n\t    /**\n\t\t *  @const\n\t\t *  @static\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.MonoSynth.defaults = {\n\t        'frequency': 'C4',\n\t        'detune': 0,\n\t        'oscillator': { 'type': 'square' },\n\t        'filter': {\n\t            'Q': 6,\n\t            'type': 'lowpass',\n\t            'rolloff': -24\n\t        },\n\t        'envelope': {\n\t            'attack': 0.005,\n\t            'decay': 0.1,\n\t            'sustain': 0.9,\n\t            'release': 1\n\t        },\n\t        'filterEnvelope': {\n\t            'attack': 0.06,\n\t            'decay': 0.2,\n\t            'sustain': 0.5,\n\t            'release': 2,\n\t            'baseFrequency': 200,\n\t            'octaves': 7,\n\t            'exponent': 2\n\t        }\n\t    };\n\t    /**\n\t\t *  start the attack portion of the envelope\n\t\t *  @param {Time} [time=now] the time the attack should start\n\t\t *  @param {NormalRange} [velocity=1] the velocity of the note (0-1)\n\t\t *  @returns {Tone.MonoSynth} this\n\t\t *  @private\n\t\t */\n\t    Tone.MonoSynth.prototype._triggerEnvelopeAttack = function (time, velocity) {\n\t        //the envelopes\n\t        this.envelope.triggerAttack(time, velocity);\n\t        this.filterEnvelope.triggerAttack(time);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  start the release portion of the envelope\n\t\t *  @param {Time} [time=now] the time the release should start\n\t\t *  @returns {Tone.MonoSynth} this\n\t\t *  @private\n\t\t */\n\t    Tone.MonoSynth.prototype._triggerEnvelopeRelease = function (time) {\n\t        this.envelope.triggerRelease(time);\n\t        this.filterEnvelope.triggerRelease(time);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  clean up\n\t\t *  @returns {Tone.MonoSynth} this\n\t\t */\n\t    Tone.MonoSynth.prototype.dispose = function () {\n\t        Tone.Monophonic.prototype.dispose.call(this);\n\t        this._writable([\n\t            'oscillator',\n\t            'frequency',\n\t            'detune',\n\t            'filter',\n\t            'filterEnvelope',\n\t            'envelope'\n\t        ]);\n\t        this.oscillator.dispose();\n\t        this.oscillator = null;\n\t        this.envelope.dispose();\n\t        this.envelope = null;\n\t        this.filterEnvelope.dispose();\n\t        this.filterEnvelope = null;\n\t        this.filter.dispose();\n\t        this.filter = null;\n\t        this.frequency = null;\n\t        this.detune = null;\n\t        return this;\n\t    };\n\t    return Tone.MonoSynth;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  Tone.DuoSynth is a monophonic synth composed of two \n\t\t *          MonoSynths run in parallel with control over the \n\t\t *          frequency ratio between the two voices and vibrato effect.\n\t\t *          <img src=\"https://docs.google.com/drawings/d/1bL4GXvfRMMlqS7XyBm9CjL9KJPSUKbcdBNpqOlkFLxk/pub?w=1012&h=448\">\n\t\t *\n\t\t *  @constructor\n\t\t *  @extends {Tone.Monophonic}\n\t\t *  @param {Object} [options] the options available for the synth \n\t\t *                          see defaults below\n\t\t *  @example\n\t\t * var duoSynth = new Tone.DuoSynth().toMaster();\n\t\t * duoSynth.triggerAttackRelease(\"C4\", \"2n\");\n\t\t */\n\t    Tone.DuoSynth = function (options) {\n\t        options = this.defaultArg(options, Tone.DuoSynth.defaults);\n\t        Tone.Monophonic.call(this, options);\n\t        /**\n\t\t\t *  the first voice\n\t\t\t *  @type {Tone.MonoSynth}\n\t\t\t */\n\t        this.voice0 = new Tone.MonoSynth(options.voice0);\n\t        this.voice0.volume.value = -10;\n\t        /**\n\t\t\t *  the second voice\n\t\t\t *  @type {Tone.MonoSynth}\n\t\t\t */\n\t        this.voice1 = new Tone.MonoSynth(options.voice1);\n\t        this.voice1.volume.value = -10;\n\t        /**\n\t\t\t *  The vibrato LFO. \n\t\t\t *  @type {Tone.LFO}\n\t\t\t *  @private\n\t\t\t */\n\t        this._vibrato = new Tone.LFO(options.vibratoRate, -50, 50);\n\t        this._vibrato.start();\n\t        /**\n\t\t\t * the vibrato frequency\n\t\t\t * @type {Frequency}\n\t\t\t * @signal\n\t\t\t */\n\t        this.vibratoRate = this._vibrato.frequency;\n\t        /**\n\t\t\t *  the vibrato gain\n\t\t\t *  @type {Tone.Gain}\n\t\t\t *  @private\n\t\t\t */\n\t        this._vibratoGain = new Tone.Gain(options.vibratoAmount, Tone.Type.Positive);\n\t        /**\n\t\t\t * The amount of vibrato\n\t\t\t * @type {Positive}\n\t\t\t * @signal\n\t\t\t */\n\t        this.vibratoAmount = this._vibratoGain.gain;\n\t        /**\n\t\t\t *  the frequency control\n\t\t\t *  @type {Frequency}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.frequency = new Tone.Signal(440, Tone.Type.Frequency);\n\t        /**\n\t\t\t *  Harmonicity is the ratio between the two voices. A harmonicity of\n\t\t\t *  1 is no change. Harmonicity = 2 means a change of an octave. \n\t\t\t *  @type {Positive}\n\t\t\t *  @signal\n\t\t\t *  @example\n\t\t\t * //pitch voice1 an octave below voice0\n\t\t\t * duoSynth.harmonicity.value = 0.5;\n\t\t\t */\n\t        this.harmonicity = new Tone.Multiply(options.harmonicity);\n\t        this.harmonicity.units = Tone.Type.Positive;\n\t        //control the two voices frequency\n\t        this.frequency.connect(this.voice0.frequency);\n\t        this.frequency.chain(this.harmonicity, this.voice1.frequency);\n\t        this._vibrato.connect(this._vibratoGain);\n\t        this._vibratoGain.fan(this.voice0.detune, this.voice1.detune);\n\t        this.voice0.connect(this.output);\n\t        this.voice1.connect(this.output);\n\t        this._readOnly([\n\t            'voice0',\n\t            'voice1',\n\t            'frequency',\n\t            'vibratoAmount',\n\t            'vibratoRate'\n\t        ]);\n\t    };\n\t    Tone.extend(Tone.DuoSynth, Tone.Monophonic);\n\t    /**\n\t\t *  @static\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.DuoSynth.defaults = {\n\t        'vibratoAmount': 0.5,\n\t        'vibratoRate': 5,\n\t        'harmonicity': 1.5,\n\t        'voice0': {\n\t            'volume': -10,\n\t            'portamento': 0,\n\t            'oscillator': { 'type': 'sine' },\n\t            'filterEnvelope': {\n\t                'attack': 0.01,\n\t                'decay': 0,\n\t                'sustain': 1,\n\t                'release': 0.5\n\t            },\n\t            'envelope': {\n\t                'attack': 0.01,\n\t                'decay': 0,\n\t                'sustain': 1,\n\t                'release': 0.5\n\t            }\n\t        },\n\t        'voice1': {\n\t            'volume': -10,\n\t            'portamento': 0,\n\t            'oscillator': { 'type': 'sine' },\n\t            'filterEnvelope': {\n\t                'attack': 0.01,\n\t                'decay': 0,\n\t                'sustain': 1,\n\t                'release': 0.5\n\t            },\n\t            'envelope': {\n\t                'attack': 0.01,\n\t                'decay': 0,\n\t                'sustain': 1,\n\t                'release': 0.5\n\t            }\n\t        }\n\t    };\n\t    /**\n\t\t *  start the attack portion of the envelopes\n\t\t *  \n\t\t *  @param {Time} [time=now] the time the attack should start\n\t\t *  @param {NormalRange} [velocity=1] the velocity of the note (0-1)\n\t\t *  @returns {Tone.DuoSynth} this\n\t\t *  @private\n\t\t */\n\t    Tone.DuoSynth.prototype._triggerEnvelopeAttack = function (time, velocity) {\n\t        time = this.toSeconds(time);\n\t        this.voice0.envelope.triggerAttack(time, velocity);\n\t        this.voice1.envelope.triggerAttack(time, velocity);\n\t        this.voice0.filterEnvelope.triggerAttack(time);\n\t        this.voice1.filterEnvelope.triggerAttack(time);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  start the release portion of the envelopes\n\t\t *  \n\t\t *  @param {Time} [time=now] the time the release should start\n\t\t *  @returns {Tone.DuoSynth} this\n\t\t *  @private\n\t\t */\n\t    Tone.DuoSynth.prototype._triggerEnvelopeRelease = function (time) {\n\t        this.voice0.triggerRelease(time);\n\t        this.voice1.triggerRelease(time);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  clean up\n\t\t *  @returns {Tone.DuoSynth} this\n\t\t */\n\t    Tone.DuoSynth.prototype.dispose = function () {\n\t        Tone.Monophonic.prototype.dispose.call(this);\n\t        this._writable([\n\t            'voice0',\n\t            'voice1',\n\t            'frequency',\n\t            'vibratoAmount',\n\t            'vibratoRate'\n\t        ]);\n\t        this.voice0.dispose();\n\t        this.voice0 = null;\n\t        this.voice1.dispose();\n\t        this.voice1 = null;\n\t        this.frequency.dispose();\n\t        this.frequency = null;\n\t        this._vibratoGain.dispose();\n\t        this._vibratoGain = null;\n\t        this._vibrato = null;\n\t        this.harmonicity.dispose();\n\t        this.harmonicity = null;\n\t        this.vibratoAmount.dispose();\n\t        this.vibratoAmount = null;\n\t        this.vibratoRate = null;\n\t        return this;\n\t    };\n\t    return Tone.DuoSynth;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  FMSynth is composed of two Tone.Synths where one Tone.Synth modulates\n\t\t *          the frequency of a second Tone.Synth. A lot of spectral content \n\t\t *          can be explored using the modulationIndex parameter. Read more about\n\t\t *          frequency modulation synthesis on [SoundOnSound](http://www.soundonsound.com/sos/apr00/articles/synthsecrets.htm).\n\t\t *          <img src=\"https://docs.google.com/drawings/d/1h0PUDZXPgi4Ikx6bVT6oncrYPLluFKy7lj53puxj-DM/pub?w=902&h=462\">\n\t\t *\n\t\t *  @constructor\n\t\t *  @extends {Tone.Monophonic}\n\t\t *  @param {Object} [options] the options available for the synth \n\t\t *                          see defaults below\n\t\t *  @example\n\t\t * var fmSynth = new Tone.FMSynth().toMaster();\n\t\t * fmSynth.triggerAttackRelease(\"C5\", \"4n\");\n\t\t */\n\t    Tone.FMSynth = function (options) {\n\t        options = this.defaultArg(options, Tone.FMSynth.defaults);\n\t        Tone.Monophonic.call(this, options);\n\t        /**\n\t\t\t *  The carrier voice.\n\t\t\t *  @type {Tone.Synth}\n\t\t\t *  @private\n\t\t\t */\n\t        this._carrier = new Tone.Synth(options.carrier);\n\t        this._carrier.volume.value = -10;\n\t        /**\n\t\t\t *  The carrier's oscillator\n\t\t\t *  @type {Tone.Oscillator}\n\t\t\t */\n\t        this.oscillator = this._carrier.oscillator;\n\t        /**\n\t\t\t *  The carrier's envelope\n\t\t\t *  @type {Tone.Oscillator}\n\t\t\t */\n\t        this.envelope = this._carrier.envelope.set(options.envelope);\n\t        /**\n\t\t\t *  The modulator voice.\n\t\t\t *  @type {Tone.Synth}\n\t\t\t *  @private\n\t\t\t */\n\t        this._modulator = new Tone.Synth(options.modulator);\n\t        this._modulator.volume.value = -10;\n\t        /**\n\t\t\t *  The modulator's oscillator which is applied\n\t\t\t *  to the amplitude of the oscillator\n\t\t\t *  @type {Tone.Oscillator}\n\t\t\t */\n\t        this.modulation = this._modulator.oscillator.set(options.modulation);\n\t        /**\n\t\t\t *  The modulator's envelope\n\t\t\t *  @type {Tone.Oscillator}\n\t\t\t */\n\t        this.modulationEnvelope = this._modulator.envelope.set(options.modulationEnvelope);\n\t        /**\n\t\t\t *  The frequency control.\n\t\t\t *  @type {Frequency}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.frequency = new Tone.Signal(440, Tone.Type.Frequency);\n\t        /**\n\t\t\t *  The detune in cents\n\t\t\t *  @type {Cents}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.detune = new Tone.Signal(options.detune, Tone.Type.Cents);\n\t        /**\n\t\t\t *  Harmonicity is the ratio between the two voices. A harmonicity of\n\t\t\t *  1 is no change. Harmonicity = 2 means a change of an octave. \n\t\t\t *  @type {Positive}\n\t\t\t *  @signal\n\t\t\t *  @example\n\t\t\t * //pitch voice1 an octave below voice0\n\t\t\t * synth.harmonicity.value = 0.5;\n\t\t\t */\n\t        this.harmonicity = new Tone.Multiply(options.harmonicity);\n\t        this.harmonicity.units = Tone.Type.Positive;\n\t        /**\n\t\t\t *  The modulation index which essentially the depth or amount of the modulation. It is the \n\t\t\t *  ratio of the frequency of the modulating signal (mf) to the amplitude of the \n\t\t\t *  modulating signal (ma) -- as in ma/mf. \n\t\t\t *\t@type {Positive}\n\t\t\t *\t@signal\n\t\t\t */\n\t        this.modulationIndex = new Tone.Multiply(options.modulationIndex);\n\t        this.modulationIndex.units = Tone.Type.Positive;\n\t        /**\n\t\t\t *  the node where the modulation happens\n\t\t\t *  @type {GainNode}\n\t\t\t *  @private\n\t\t\t */\n\t        this._modulationNode = new Tone.Gain(0);\n\t        //control the two voices frequency\n\t        this.frequency.connect(this._carrier.frequency);\n\t        this.frequency.chain(this.harmonicity, this._modulator.frequency);\n\t        this.frequency.chain(this.modulationIndex, this._modulationNode);\n\t        this.detune.fan(this._carrier.detune, this._modulator.detune);\n\t        this._modulator.connect(this._modulationNode.gain);\n\t        this._modulationNode.connect(this._carrier.frequency);\n\t        this._carrier.connect(this.output);\n\t        this._readOnly([\n\t            'frequency',\n\t            'harmonicity',\n\t            'modulationIndex',\n\t            'oscillator',\n\t            'envelope',\n\t            'modulation',\n\t            'modulationEnvelope',\n\t            'detune'\n\t        ]);\n\t    };\n\t    Tone.extend(Tone.FMSynth, Tone.Monophonic);\n\t    /**\n\t\t *  @static\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.FMSynth.defaults = {\n\t        'harmonicity': 3,\n\t        'modulationIndex': 10,\n\t        'detune': 0,\n\t        'oscillator': { 'type': 'sine' },\n\t        'envelope': {\n\t            'attack': 0.01,\n\t            'decay': 0.01,\n\t            'sustain': 1,\n\t            'release': 0.5\n\t        },\n\t        'modulation': { 'type': 'square' },\n\t        'modulationEnvelope': {\n\t            'attack': 0.5,\n\t            'decay': 0,\n\t            'sustain': 1,\n\t            'release': 0.5\n\t        }\n\t    };\n\t    /**\n\t\t * \ttrigger the attack portion of the note\n\t\t *  \n\t\t *  @param  {Time} [time=now] the time the note will occur\n\t\t *  @param {number} [velocity=1] the velocity of the note\n\t\t *  @returns {Tone.FMSynth} this\n\t\t *  @private\n\t\t */\n\t    Tone.FMSynth.prototype._triggerEnvelopeAttack = function (time, velocity) {\n\t        time = this.toSeconds(time);\n\t        //the envelopes\n\t        this.envelope.triggerAttack(time, velocity);\n\t        this.modulationEnvelope.triggerAttack(time);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  trigger the release portion of the note\n\t\t *  \n\t\t *  @param  {Time} [time=now] the time the note will release\n\t\t *  @returns {Tone.FMSynth} this\n\t\t *  @private\n\t\t */\n\t    Tone.FMSynth.prototype._triggerEnvelopeRelease = function (time) {\n\t        time = this.toSeconds(time);\n\t        this.envelope.triggerRelease(time);\n\t        this.modulationEnvelope.triggerRelease(time);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  clean up\n\t\t *  @returns {Tone.FMSynth} this\n\t\t */\n\t    Tone.FMSynth.prototype.dispose = function () {\n\t        Tone.Monophonic.prototype.dispose.call(this);\n\t        this._writable([\n\t            'frequency',\n\t            'harmonicity',\n\t            'modulationIndex',\n\t            'oscillator',\n\t            'envelope',\n\t            'modulation',\n\t            'modulationEnvelope',\n\t            'detune'\n\t        ]);\n\t        this._carrier.dispose();\n\t        this._carrier = null;\n\t        this._modulator.dispose();\n\t        this._modulator = null;\n\t        this.frequency.dispose();\n\t        this.frequency = null;\n\t        this.detune.dispose();\n\t        this.detune = null;\n\t        this.modulationIndex.dispose();\n\t        this.modulationIndex = null;\n\t        this.harmonicity.dispose();\n\t        this.harmonicity = null;\n\t        this._modulationNode.dispose();\n\t        this._modulationNode = null;\n\t        this.oscillator = null;\n\t        this.envelope = null;\n\t        this.modulationEnvelope = null;\n\t        this.modulation = null;\n\t        return this;\n\t    };\n\t    return Tone.FMSynth;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  Tone.MembraneSynth makes kick and tom sounds using a single oscillator\n\t\t *          with an amplitude envelope and frequency ramp. A Tone.OmniOscillator\n\t\t *          is routed through a Tone.AmplitudeEnvelope to the output. The drum\n\t\t *          quality of the sound comes from the frequency envelope applied\n\t\t *          during during Tone.MembraneSynth.triggerAttack(note). The frequency\n\t\t *          envelope starts at <code>note * .octaves</code> and ramps to \n\t\t *          <code>note</code> over the duration of <code>.pitchDecay</code>. \n\t\t *\n\t\t *  @constructor\n\t\t *  @extends {Tone.Instrument}\n\t\t *  @param {Object} [options] the options available for the synth \n\t\t *                          see defaults below\n\t\t *  @example\n\t\t * var synth = new Tone.MembraneSynth().toMaster();\n\t\t * synth.triggerAttackRelease(\"C2\", \"8n\");\n\t\t */\n\t    Tone.MembraneSynth = function (options) {\n\t        options = this.defaultArg(options, Tone.MembraneSynth.defaults);\n\t        Tone.Instrument.call(this, options);\n\t        /**\n\t\t\t *  The oscillator.\n\t\t\t *  @type {Tone.OmniOscillator}\n\t\t\t */\n\t        this.oscillator = new Tone.OmniOscillator(options.oscillator).start();\n\t        /**\n\t\t\t *  The amplitude envelope.\n\t\t\t *  @type {Tone.AmplitudeEnvelope}\n\t\t\t */\n\t        this.envelope = new Tone.AmplitudeEnvelope(options.envelope);\n\t        /**\n\t\t\t *  The number of octaves the pitch envelope ramps.\n\t\t\t *  @type {Positive}\n\t\t\t */\n\t        this.octaves = options.octaves;\n\t        /**\n\t\t\t *  The amount of time the frequency envelope takes. \n\t\t\t *  @type {Time}\n\t\t\t */\n\t        this.pitchDecay = options.pitchDecay;\n\t        this.oscillator.chain(this.envelope, this.output);\n\t        this._readOnly([\n\t            'oscillator',\n\t            'envelope'\n\t        ]);\n\t    };\n\t    Tone.extend(Tone.MembraneSynth, Tone.Instrument);\n\t    /**\n\t\t *  @static\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.MembraneSynth.defaults = {\n\t        'pitchDecay': 0.05,\n\t        'octaves': 10,\n\t        'oscillator': { 'type': 'sine' },\n\t        'envelope': {\n\t            'attack': 0.001,\n\t            'decay': 0.4,\n\t            'sustain': 0.01,\n\t            'release': 1.4,\n\t            'attackCurve': 'exponential'\n\t        }\n\t    };\n\t    /**\n\t\t *  Trigger the note at the given time with the given velocity. \n\t\t *  \n\t\t *  @param  {Frequency} note     the note\n\t\t *  @param  {Time} [time=now]     the time, if not given is now\n\t\t *  @param  {number} [velocity=1] velocity defaults to 1\n\t\t *  @returns {Tone.MembraneSynth} this\n\t\t *  @example\n\t\t *  kick.triggerAttack(60);\n\t\t */\n\t    Tone.MembraneSynth.prototype.triggerAttack = function (note, time, velocity) {\n\t        time = this.toSeconds(time);\n\t        note = this.toFrequency(note);\n\t        var maxNote = note * this.octaves;\n\t        this.oscillator.frequency.setValueAtTime(maxNote, time);\n\t        this.oscillator.frequency.exponentialRampToValueAtTime(note, time + this.toSeconds(this.pitchDecay));\n\t        this.envelope.triggerAttack(time, velocity);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Trigger the release portion of the note.\n\t\t *  \n\t\t *  @param  {Time} [time=now] the time the note will release\n\t\t *  @returns {Tone.MembraneSynth} this\n\t\t */\n\t    Tone.MembraneSynth.prototype.triggerRelease = function (time) {\n\t        this.envelope.triggerRelease(time);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Clean up.\n\t\t *  @returns {Tone.MembraneSynth} this\n\t\t */\n\t    Tone.MembraneSynth.prototype.dispose = function () {\n\t        Tone.Instrument.prototype.dispose.call(this);\n\t        this._writable([\n\t            'oscillator',\n\t            'envelope'\n\t        ]);\n\t        this.oscillator.dispose();\n\t        this.oscillator = null;\n\t        this.envelope.dispose();\n\t        this.envelope = null;\n\t        return this;\n\t    };\n\t    return Tone.MembraneSynth;\n\t});\n\tModule(function (Tone) {\n\t    /**\n\t\t *  Inharmonic ratio of frequencies based on the Roland TR-808\n\t\t *  Taken from https://ccrma.stanford.edu/papers/tr-808-cymbal-physically-informed-circuit-bendable-digital-model\n\t\t *  @private\n\t\t *  @static\n\t\t *  @type {Array}\n\t\t */\n\t    var inharmRatios = [\n\t        1,\n\t        1.483,\n\t        1.932,\n\t        2.546,\n\t        2.63,\n\t        3.897\n\t    ];\n\t    /**\n\t\t *  @class  A highly inharmonic and spectrally complex source with a highpass filter\n\t\t *          and amplitude envelope which is good for making metalophone sounds. Based\n\t\t *          on CymbalSynth by [@polyrhythmatic](https://github.com/polyrhythmatic).\n\t\t *          Inspiration from [Sound on Sound](http://www.soundonsound.com/sos/jul02/articles/synthsecrets0702.asp).\n\t\t *\n\t\t *  @constructor\n\t\t *  @extends {Tone.Instrument}\n\t\t *  @param {Object} [options] The options availble for the synth\n\t\t *                             see defaults below\n\t\t */\n\t    Tone.MetalSynth = function (options) {\n\t        options = this.defaultArg(options, Tone.MetalSynth.defaults);\n\t        Tone.Instrument.call(this, options);\n\t        /**\n\t\t\t *  The frequency of the cymbal\n\t\t\t *  @type  {Frequency}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.frequency = new Tone.Signal(options.frequency, Tone.Type.Frequency);\n\t        /**\n\t\t\t *  The array of FMOscillators\n\t\t\t *  @type  {Array}\n\t\t\t *  @private\n\t\t\t */\n\t        this._oscillators = [];\n\t        /**\n\t\t\t *  The frequency multipliers\n\t\t\t *  @type {Array}\n\t\t\t *  @private\n\t\t\t */\n\t        this._freqMultipliers = [];\n\t        /**\n\t\t\t *  The amplitude for the body\n\t\t\t *  @type {Tone.Gain}\n\t\t\t *  @private\n\t\t\t */\n\t        this._amplitue = new Tone.Gain(0).connect(this.output);\n\t        /**\n\t\t\t *  highpass the output\n\t\t\t *  @type {Tone.Filter}\n\t\t\t *  @private\n\t\t\t */\n\t        this._highpass = new Tone.Filter({\n\t            'type': 'highpass',\n\t            'Q': -3.0102999566398125\n\t        }).connect(this._amplitue);\n\t        /**\n\t\t\t *  The number of octaves the highpass\n\t\t\t *  filter frequency ramps\n\t\t\t *  @type {Number}\n\t\t\t *  @private\n\t\t\t */\n\t        this._octaves = options.octaves;\n\t        /**\n\t\t\t *  Scale the body envelope\n\t\t\t *  for the bandpass\n\t\t\t *  @type {Tone.Scale}\n\t\t\t *  @private\n\t\t\t */\n\t        this._filterFreqScaler = new Tone.Scale(options.resonance, 7000);\n\t        /**\n\t\t\t *  The envelope which is connected both to the \n\t\t\t *  amplitude and highpass filter's cutoff frequency\n\t\t\t *  @type  {Tone.Envelope}\n\t\t\t */\n\t        this.envelope = new Tone.Envelope({\n\t            'attack': options.envelope.attack,\n\t            'attackCurve': 'linear',\n\t            'decay': options.envelope.decay,\n\t            'sustain': 0,\n\t            'release': options.envelope.release\n\t        }).chain(this._filterFreqScaler, this._highpass.frequency);\n\t        this.envelope.connect(this._amplitue.gain);\n\t        for (var i = 0; i < inharmRatios.length; i++) {\n\t            var osc = new Tone.FMOscillator({\n\t                'type': 'square',\n\t                'modulationType': 'square',\n\t                'harmonicity': options.harmonicity,\n\t                'modulationIndex': options.modulationIndex\n\t            });\n\t            osc.connect(this._highpass).start(0);\n\t            this._oscillators[i] = osc;\n\t            var mult = new Tone.Multiply(inharmRatios[i]);\n\t            this._freqMultipliers[i] = mult;\n\t            this.frequency.chain(mult, osc.frequency);\n\t        }\n\t        //set the octaves\n\t        this.octaves = options.octaves;\n\t    };\n\t    Tone.extend(Tone.MetalSynth, Tone.Instrument);\n\t    /**\n\t\t *  default values\n\t\t *  @static\n\t\t *  @const\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.MetalSynth.defaults = {\n\t        'frequency': 200,\n\t        'envelope': {\n\t            'attack': 0.001,\n\t            'decay': 1.4,\n\t            'release': 0.2\n\t        },\n\t        'harmonicity': 5.1,\n\t        'modulationIndex': 32,\n\t        'resonance': 4000,\n\t        'octaves': 1.5\n\t    };\n\t    /**\n\t\t *  Trigger the attack.\n\t\t *  @param  {Time}  time      When the attack should be triggered.\n\t\t *  @param  {NormalRange=1}  velocity  The velocity that the envelope should be triggered at.\n\t\t *  @return  {Tone.MetalSynth}  this\n\t\t */\n\t    Tone.MetalSynth.prototype.triggerAttack = function (time, vel) {\n\t        time = this.toSeconds(time);\n\t        vel = this.defaultArg(vel, 1);\n\t        this.envelope.triggerAttack(time, vel);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Trigger the release of the envelope.\n\t\t *  @param  {Time}  time      When the release should be triggered.\n\t\t *  @return  {Tone.MetalSynth}  this\n\t\t */\n\t    Tone.MetalSynth.prototype.triggerRelease = function (time) {\n\t        time = this.toSeconds(time);\n\t        this.envelope.triggerRelease(time);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Trigger the attack and release of the envelope after the given \n\t\t *  duration. \n\t\t *  @param  {Time}  duration  The duration before triggering the release\n\t\t *  @param  {Time}  time      When the attack should be triggered.\n\t\t *  @param  {NormalRange=1}  velocity  The velocity that the envelope should be triggered at.\n\t\t *  @return  {Tone.MetalSynth}  this\n\t\t */\n\t    Tone.MetalSynth.prototype.triggerAttackRelease = function (duration, time, velocity) {\n\t        time = this.toSeconds(time);\n\t        duration = this.toSeconds(duration);\n\t        this.triggerAttack(time, velocity);\n\t        this.triggerRelease(time + duration);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  The modulationIndex of the oscillators which make up the source.\n\t\t *  see Tone.FMOscillator.modulationIndex\n\t\t *  @memberOf Tone.MetalSynth#\n\t\t *  @type {Positive}\n\t\t *  @name  modulationIndex\n\t\t */\n\t    Object.defineProperty(Tone.MetalSynth.prototype, 'modulationIndex', {\n\t        get: function () {\n\t            return this._oscillators[0].modulationIndex.value;\n\t        },\n\t        set: function (val) {\n\t            for (var i = 0; i < this._oscillators.length; i++) {\n\t                this._oscillators[i].modulationIndex.value = val;\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t *  The harmonicity of the oscillators which make up the source.\n\t\t *  see Tone.FMOscillator.harmonicity\n\t\t *  @memberOf Tone.MetalSynth#\n\t\t *  @type {Positive}\n\t\t *  @name  harmonicity\n\t\t */\n\t    Object.defineProperty(Tone.MetalSynth.prototype, 'harmonicity', {\n\t        get: function () {\n\t            return this._oscillators[0].harmonicity.value;\n\t        },\n\t        set: function (val) {\n\t            for (var i = 0; i < this._oscillators.length; i++) {\n\t                this._oscillators[i].harmonicity.value = val;\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t *  The frequency of the highpass filter attached to the envelope\n\t\t *  @memberOf Tone.MetalSynth#\n\t\t *  @type {Frequency}\n\t\t *  @name  resonance\n\t\t */\n\t    Object.defineProperty(Tone.MetalSynth.prototype, 'resonance', {\n\t        get: function () {\n\t            return this._filterFreqScaler.min;\n\t        },\n\t        set: function (val) {\n\t            this._filterFreqScaler.min = val;\n\t            this.octaves = this._octaves;\n\t        }\n\t    });\n\t    /**\n\t\t *  The number of octaves above the \"resonance\" frequency\n\t\t *  that the filter ramps during the attack/decay envelope\n\t\t *  @memberOf Tone.MetalSynth#\n\t\t *  @type {Number}\n\t\t *  @name  octaves\n\t\t */\n\t    Object.defineProperty(Tone.MetalSynth.prototype, 'octaves', {\n\t        get: function () {\n\t            return this._octaves;\n\t        },\n\t        set: function (octs) {\n\t            this._octaves = octs;\n\t            this._filterFreqScaler.max = this._filterFreqScaler.min * Math.pow(2, octs);\n\t        }\n\t    });\n\t    /**\n\t\t *  Clean up\n\t\t *  @returns {Tone.MetalSynth} this\n\t\t */\n\t    Tone.MetalSynth.prototype.dispose = function () {\n\t        Tone.Instrument.prototype.dispose.call(this);\n\t        for (var i = 0; i < this._oscillators.length; i++) {\n\t            this._oscillators[i].dispose();\n\t            this._freqMultipliers[i].dispose();\n\t        }\n\t        this._oscillators = null;\n\t        this._freqMultipliers = null;\n\t        this.frequency.dispose();\n\t        this.frequency = null;\n\t        this._filterFreqScaler.dispose();\n\t        this._filterFreqScaler = null;\n\t        this._amplitue.dispose();\n\t        this._amplitue = null;\n\t        this.envelope.dispose();\n\t        this.envelope = null;\n\t        this._highpass.dispose();\n\t        this._highpass = null;\n\t    };\n\t    return Tone.MetalSynth;\n\t});\n\tModule(function (Tone) {\n\t    /**\n\t\t *  BufferSource polyfill\n\t\t */\n\t    if (window.AudioBufferSourceNode && !AudioBufferSourceNode.prototype.start) {\n\t        AudioBufferSourceNode.prototype.start = AudioBufferSourceNode.prototype.noteGrainOn;\n\t        AudioBufferSourceNode.prototype.stop = AudioBufferSourceNode.prototype.noteOff;\n\t    }\n\t    /**\n\t\t *  @class Wrapper around the native BufferSourceNode.\n\t\t *  @param  {AudioBuffer|Tone.Buffer}  buffer   The buffer to play\n\t\t *  @param  {Function}  onended  The callback to invoke when the \n\t\t *                               buffer is done playing.\n\t\t */\n\t    Tone.BufferSource = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'buffer',\n\t            'onended'\n\t        ], Tone.BufferSource.defaults);\n\t        /**\n\t\t\t *  The callback to invoke after the \n\t\t\t *  buffer source is done playing. \n\t\t\t *  @type  {Function}\n\t\t\t */\n\t        this.onended = options.onended;\n\t        /**\n\t\t\t *  The time that the buffer was started.\n\t\t\t *  @type  {Number}\n\t\t\t *  @private\n\t\t\t */\n\t        this._startTime = -1;\n\t        /**\n\t\t\t *  The time that the buffer is scheduled to stop.\n\t\t\t *  @type  {Number}\n\t\t\t *  @private\n\t\t\t */\n\t        this._stopTime = -1;\n\t        /**\n\t\t\t *  The gain node which envelopes the BufferSource\n\t\t\t *  @type  {Tone.Gain}\n\t\t\t *  @private\n\t\t\t */\n\t        this._gainNode = this.output = new Tone.Gain();\n\t        /**\n\t\t\t *  The buffer source\n\t\t\t *  @type  {AudioBufferSourceNode}\n\t\t\t *  @private\n\t\t\t */\n\t        this._source = this.context.createBufferSource();\n\t        this._source.connect(this._gainNode);\n\t        /**\n\t\t\t *  The playbackRate of the buffer\n\t\t\t *  @type {Positive}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.playbackRate = new Tone.Param(this._source.playbackRate, Tone.Type.Positive);\n\t        /**\n\t\t\t *  The fadeIn time of the amplitude envelope.\n\t\t\t *  @type {Time}\n\t\t\t */\n\t        this.fadeIn = options.fadeIn;\n\t        /**\n\t\t\t *  The fadeOut time of the amplitude envelope.\n\t\t\t *  @type {Time}\n\t\t\t */\n\t        this.fadeOut = options.fadeOut;\n\t        /**\n\t\t\t *  The value that the buffer ramps to\n\t\t\t *  @type {Gain}\n\t\t\t *  @private\n\t\t\t */\n\t        this._gain = 1;\n\t        /**\n\t\t\t * The onended timeout\n\t\t\t * @type {Number}\n\t\t\t * @private\n\t\t\t */\n\t        this._onendedTimeout = -1;\n\t        //set the buffer initially\n\t        if (!this.isUndef(options.buffer)) {\n\t            this.buffer = options.buffer;\n\t        }\n\t        this.loop = options.loop;\n\t    };\n\t    Tone.extend(Tone.BufferSource);\n\t    /**\n\t\t *  The defaults\n\t\t *  @const\n\t\t *  @type  {Object}\n\t\t */\n\t    Tone.BufferSource.defaults = {\n\t        'onended': Tone.noOp,\n\t        'fadeIn': 0,\n\t        'fadeOut': 0\n\t    };\n\t    /**\n\t\t *  Returns the playback state of the source, either \"started\" or \"stopped\".\n\t\t *  @type {Tone.State}\n\t\t *  @readOnly\n\t\t *  @memberOf Tone.BufferSource#\n\t\t *  @name state\n\t\t */\n\t    Object.defineProperty(Tone.BufferSource.prototype, 'state', {\n\t        get: function () {\n\t            var now = this.now();\n\t            if (this._startTime !== -1 && now >= this._startTime && now < this._stopTime) {\n\t                return Tone.State.Started;\n\t            } else {\n\t                return Tone.State.Stopped;\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t *  Start the buffer\n\t\t *  @param  {Time} [startTime=now] When the player should start.\n\t\t *  @param  {Time} [offset=0] The offset from the beginning of the sample\n\t\t *                                 to start at. \n\t\t *  @param  {Time=} duration How long the sample should play. If no duration\n\t\t *                                is given, it will default to the full length \n\t\t *                                of the sample (minus any offset)\n\t\t *  @param  {Gain}  [gain=1]  The gain to play the buffer back at.\n\t\t *  @param  {Time=}  fadeInTime  The optional fadeIn ramp time.\n\t\t *  @return  {Tone.BufferSource}  this\n\t\t */\n\t    Tone.BufferSource.prototype.start = function (time, offset, duration, gain, fadeInTime) {\n\t        if (this._startTime !== -1) {\n\t            throw new Error('Tone.BufferSource: can only be started once.');\n\t        }\n\t        if (this.buffer) {\n\t            time = this.toSeconds(time);\n\t            //if it's a loop the default offset is the loopstart point\n\t            if (this.loop) {\n\t                offset = this.defaultArg(offset, this.loopStart);\n\t            } else {\n\t                //otherwise the default offset is 0\n\t                offset = this.defaultArg(offset, 0);\n\t            }\n\t            offset = this.toSeconds(offset);\n\t            //the values in seconds\n\t            time = this.toSeconds(time);\n\t            this._source.start(time, offset);\n\t            gain = this.defaultArg(gain, 1);\n\t            this._gain = gain;\n\t            //the fadeIn time\n\t            if (this.isUndef(fadeInTime)) {\n\t                fadeInTime = this.toSeconds(this.fadeIn);\n\t            } else {\n\t                fadeInTime = this.toSeconds(fadeInTime);\n\t            }\n\t            if (fadeInTime > 0) {\n\t                this._gainNode.gain.setValueAtTime(0, time);\n\t                this._gainNode.gain.linearRampToValueAtTime(this._gain, time + fadeInTime);\n\t            } else {\n\t                this._gainNode.gain.setValueAtTime(gain, time);\n\t            }\n\t            this._startTime = time + fadeInTime;\n\t            if (!this.isUndef(duration)) {\n\t                duration = this.defaultArg(duration, this.buffer.duration - offset);\n\t                duration = this.toSeconds(duration);\n\t                this.stop(time + duration + fadeInTime, fadeInTime);\n\t            }\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Stop the buffer. Optionally add a ramp time to fade the \n\t\t *  buffer out. \n\t\t *  @param  {Time=}  time         The time the buffer should stop.\n\t\t *  @param  {Time=}  fadeOutTime  How long the gain should fade out for\n\t\t *  @return  {Tone.BufferSource}  this\n\t\t */\n\t    Tone.BufferSource.prototype.stop = function (time, fadeOutTime) {\n\t        if (this.buffer) {\n\t            time = this.toSeconds(time);\n\t            //the fadeOut time\n\t            if (this.isUndef(fadeOutTime)) {\n\t                fadeOutTime = this.toSeconds(this.fadeOut);\n\t            } else {\n\t                fadeOutTime = this.toSeconds(fadeOutTime);\n\t            }\n\t            this._stopTime = time + fadeOutTime;\n\t            //cancel the end curve\n\t            this._gainNode.gain.cancelScheduledValues(this._startTime + this.sampleTime);\n\t            //set a new one\n\t            if (fadeOutTime > 0) {\n\t                this._gainNode.gain.setValueAtTime(this._gain, time);\n\t                this._gainNode.gain.linearRampToValueAtTime(0, time + fadeOutTime);\n\t                time += fadeOutTime;\n\t            } else {\n\t                this._gainNode.gain.setValueAtTime(0, time);\n\t            }\n\t            // fix for safari bug and old FF\n\t            if (!this.isNumber(this._source.playbackState) || this._source.playbackState === 2) {\n\t                this._source.stop(time);\n\t            }\n\t            clearTimeout(this._onendedTimeout);\n\t            this._onendedTimeout = setTimeout(this._onended.bind(this), (this._stopTime - this.now()) * 1000);\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Internal callback when the buffer is ended. \n\t\t *  Invokes `onended` and disposes the node.\n\t\t *  @private\n\t\t */\n\t    Tone.BufferSource.prototype._onended = function () {\n\t        this.onended(this);\n\t        this.dispose();\n\t    };\n\t    /**\n\t\t * If loop is true, the loop will start at this position. \n\t\t * @memberOf Tone.BufferSource#\n\t\t * @type {Time}\n\t\t * @name loopStart\n\t\t */\n\t    Object.defineProperty(Tone.BufferSource.prototype, 'loopStart', {\n\t        get: function () {\n\t            return this._source.loopStart;\n\t        },\n\t        set: function (loopStart) {\n\t            this._source.loopStart = this.toSeconds(loopStart);\n\t        }\n\t    });\n\t    /**\n\t\t * If loop is true, the loop will end at this position.\n\t\t * @memberOf Tone.BufferSource#\n\t\t * @type {Time}\n\t\t * @name loopEnd\n\t\t */\n\t    Object.defineProperty(Tone.BufferSource.prototype, 'loopEnd', {\n\t        get: function () {\n\t            return this._source.loopEnd;\n\t        },\n\t        set: function (loopEnd) {\n\t            this._source.loopEnd = this.toSeconds(loopEnd);\n\t        }\n\t    });\n\t    /**\n\t\t * The audio buffer belonging to the player. \n\t\t * @memberOf Tone.BufferSource#\n\t\t * @type {AudioBuffer}\n\t\t * @name buffer\n\t\t */\n\t    Object.defineProperty(Tone.BufferSource.prototype, 'buffer', {\n\t        get: function () {\n\t            if (this._source) {\n\t                return this._source.buffer;\n\t            } else {\n\t                return null;\n\t            }\n\t        },\n\t        set: function (buffer) {\n\t            if (buffer instanceof Tone.Buffer) {\n\t                this._source.buffer = buffer.get();\n\t            } else {\n\t                this._source.buffer = buffer;\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t * If the buffer should loop once it's over. \n\t\t * @memberOf Tone.BufferSource#\n\t\t * @type {boolean}\n\t\t * @name loop\n\t\t */\n\t    Object.defineProperty(Tone.BufferSource.prototype, 'loop', {\n\t        get: function () {\n\t            return this._source.loop;\n\t        },\n\t        set: function (loop) {\n\t            this._source.loop = loop;\n\t        }\n\t    });\n\t    /**\n\t\t *  Clean up.\n\t\t *  @return  {Tone.BufferSource}  this\n\t\t */\n\t    Tone.BufferSource.prototype.dispose = function () {\n\t        this.onended = null;\n\t        if (this._source) {\n\t            this._source.disconnect();\n\t            this._source = null;\n\t        }\n\t        if (this._gainNode) {\n\t            this._gainNode.dispose();\n\t            this._gainNode = null;\n\t        }\n\t        this._startTime = -1;\n\t        this.playbackRate = null;\n\t        this.output = null;\n\t        clearTimeout(this._onendedTimeout);\n\t        return this;\n\t    };\n\t    return Tone.BufferSource;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  Tone.Noise is a noise generator. It uses looped noise buffers to save on performance.\n\t\t *          Tone.Noise supports the noise types: \"pink\", \"white\", and \"brown\". Read more about\n\t\t *          colors of noise on [Wikipedia](https://en.wikipedia.org/wiki/Colors_of_noise).\n\t\t *\n\t\t *  @constructor\n\t\t *  @extends {Tone.Source}\n\t\t *  @param {string} type the noise type (white|pink|brown)\n\t\t *  @example\n\t\t * //initialize the noise and start\n\t\t * var noise = new Tone.Noise(\"pink\").start();\n\t\t * \n\t\t * //make an autofilter to shape the noise\n\t\t * var autoFilter = new Tone.AutoFilter({\n\t\t * \t\"frequency\" : \"8m\", \n\t\t * \t\"min\" : 800, \n\t\t * \t\"max\" : 15000\n\t\t * }).connect(Tone.Master);\n\t\t * \n\t\t * //connect the noise\n\t\t * noise.connect(autoFilter);\n\t\t * //start the autofilter LFO\n\t\t * autoFilter.start()\n\t\t */\n\t    Tone.Noise = function () {\n\t        var options = this.optionsObject(arguments, ['type'], Tone.Noise.defaults);\n\t        Tone.Source.call(this, options);\n\t        /**\n\t\t\t *  @private\n\t\t\t *  @type {AudioBufferSourceNode}\n\t\t\t */\n\t        this._source = null;\n\t        /**\n\t\t\t *  the buffer\n\t\t\t *  @private\n\t\t\t *  @type {AudioBuffer}\n\t\t\t */\n\t        this._type = options.type;\n\t        /**\n\t\t\t *  The playback rate of the noise. Affects\n\t\t\t *  the \"frequency\" of the noise.\n\t\t\t *  @type {Positive}\n\t\t\t *  @signal\n\t\t\t */\n\t        this._playbackRate = options.playbackRate;\n\t    };\n\t    Tone.extend(Tone.Noise, Tone.Source);\n\t    /**\n\t\t *  the default parameters\n\t\t *\n\t\t *  @static\n\t\t *  @const\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.Noise.defaults = {\n\t        'type': 'white',\n\t        'playbackRate': 1\n\t    };\n\t    /**\n\t\t * The type of the noise. Can be \"white\", \"brown\", or \"pink\". \n\t\t * @memberOf Tone.Noise#\n\t\t * @type {string}\n\t\t * @name type\n\t\t * @example\n\t\t * noise.type = \"white\";\n\t\t */\n\t    Object.defineProperty(Tone.Noise.prototype, 'type', {\n\t        get: function () {\n\t            return this._type;\n\t        },\n\t        set: function (type) {\n\t            if (this._type !== type) {\n\t                if (type in _noiseBuffers) {\n\t                    this._type = type;\n\t                    //if it's playing, stop and restart it\n\t                    if (this.state === Tone.State.Started) {\n\t                        var now = this.now() + this.blockTime;\n\t                        this._stop(now);\n\t                        this._start(now);\n\t                    }\n\t                } else {\n\t                    throw new TypeError('Tone.Noise: invalid type: ' + type);\n\t                }\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t *  The playback rate of the noise. Affects\n\t\t *  the \"frequency\" of the noise.\n\t\t *  @type {Positive}\n\t\t *  @signal\n\t\t */\n\t    Object.defineProperty(Tone.Noise.prototype, 'playbackRate', {\n\t        get: function () {\n\t            return this._playbackRate;\n\t        },\n\t        set: function (rate) {\n\t            this._playbackRate = rate;\n\t            if (this._source) {\n\t                this._source.playbackRate.value = rate;\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t *  internal start method\n\t\t *\n\t\t *  @param {Time} time\n\t\t *  @private\n\t\t */\n\t    Tone.Noise.prototype._start = function (time) {\n\t        var buffer = _noiseBuffers[this._type];\n\t        this._source = new Tone.BufferSource(buffer).connect(this.output);\n\t        this._source.loop = true;\n\t        this._source.playbackRate.value = this._playbackRate;\n\t        this._source.start(this.toSeconds(time), Math.random() * (buffer.duration - 0.001));\n\t    };\n\t    /**\n\t\t *  internal stop method\n\t\t *\n\t\t *  @param {Time} time\n\t\t *  @private\n\t\t */\n\t    Tone.Noise.prototype._stop = function (time) {\n\t        if (this._source) {\n\t            this._source.stop(this.toSeconds(time));\n\t            this._source = null;\n\t        }\n\t    };\n\t    /**\n\t\t *  Clean up.\n\t\t *  @returns {Tone.Noise} this\n\t\t */\n\t    Tone.Noise.prototype.dispose = function () {\n\t        Tone.Source.prototype.dispose.call(this);\n\t        if (this._source !== null) {\n\t            this._source.disconnect();\n\t            this._source = null;\n\t        }\n\t        this._buffer = null;\n\t        return this;\n\t    };\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    // THE BUFFERS\n\t    ///////////////////////////////////////////////////////////////////////////\n\t    //Noise buffer stats\n\t    var bufferLength = 44100 * 5;\n\t    var channels = 2;\n\t    /**\n\t\t *\tthe noise arrays. only generated once on init\n\t\t *  @static\n\t\t *  @private\n\t\t *  @type {Array}\n\t\t *  borrowed heavily from https://github.com/zacharydenton/noise.js \n\t\t *  (c) 2013 Zach Denton (MIT)\n\t\t */\n\t    var _noiseArrays = {\n\t        'pink': function () {\n\t            var buffer = [];\n\t            for (var channelNum = 0; channelNum < channels; channelNum++) {\n\t                var channel = new Float32Array(bufferLength);\n\t                buffer[channelNum] = channel;\n\t                var b0, b1, b2, b3, b4, b5, b6;\n\t                b0 = b1 = b2 = b3 = b4 = b5 = b6 = 0;\n\t                for (var i = 0; i < bufferLength; i++) {\n\t                    var white = Math.random() * 2 - 1;\n\t                    b0 = 0.99886 * b0 + white * 0.0555179;\n\t                    b1 = 0.99332 * b1 + white * 0.0750759;\n\t                    b2 = 0.969 * b2 + white * 0.153852;\n\t                    b3 = 0.8665 * b3 + white * 0.3104856;\n\t                    b4 = 0.55 * b4 + white * 0.5329522;\n\t                    b5 = -0.7616 * b5 - white * 0.016898;\n\t                    channel[i] = b0 + b1 + b2 + b3 + b4 + b5 + b6 + white * 0.5362;\n\t                    channel[i] *= 0.11;\n\t                    // (roughly) compensate for gain\n\t                    b6 = white * 0.115926;\n\t                }\n\t            }\n\t            return buffer;\n\t        }(),\n\t        'brown': function () {\n\t            var buffer = [];\n\t            for (var channelNum = 0; channelNum < channels; channelNum++) {\n\t                var channel = new Float32Array(bufferLength);\n\t                buffer[channelNum] = channel;\n\t                var lastOut = 0;\n\t                for (var i = 0; i < bufferLength; i++) {\n\t                    var white = Math.random() * 2 - 1;\n\t                    channel[i] = (lastOut + 0.02 * white) / 1.02;\n\t                    lastOut = channel[i];\n\t                    channel[i] *= 3.5;    // (roughly) compensate for gain\n\t                }\n\t            }\n\t            return buffer;\n\t        }(),\n\t        'white': function () {\n\t            var buffer = [];\n\t            for (var channelNum = 0; channelNum < channels; channelNum++) {\n\t                var channel = new Float32Array(bufferLength);\n\t                buffer[channelNum] = channel;\n\t                for (var i = 0; i < bufferLength; i++) {\n\t                    channel[i] = Math.random() * 2 - 1;\n\t                }\n\t            }\n\t            return buffer;\n\t        }()\n\t    };\n\t    /**\n\t\t *\tstatic noise buffers\n\t\t *  @static\n\t\t *  @private\n\t\t *  @type {Tone.Buffer}\n\t\t */\n\t    var _noiseBuffers = {};\n\t    //create the Tone.Buffers\n\t    function createBuffers() {\n\t        for (var type in _noiseArrays) {\n\t            _noiseBuffers[type] = new Tone.Buffer().fromArray(_noiseArrays[type]);\n\t        }\n\t    }\n\t    createBuffers();\n\t    Tone.Context.on('init', createBuffers);\n\t    return Tone.Noise;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  Tone.NoiseSynth is composed of a noise generator (Tone.Noise), one filter (Tone.Filter), \n\t\t *          and two envelopes (Tone.Envelop). One envelope controls the amplitude\n\t\t *          of the noise and the other is controls the cutoff frequency of the filter. \n\t\t *          <img src=\"https://docs.google.com/drawings/d/1rqzuX9rBlhT50MRvD2TKml9bnZhcZmzXF1rf_o7vdnE/pub?w=918&h=242\">\n\t\t *\n\t\t *  @constructor\n\t\t *  @extends {Tone.Instrument}\n\t\t *  @param {Object} [options] the options available for the synth \n\t\t *                          see defaults below\n\t\t * @example\n\t\t * var noiseSynth = new Tone.NoiseSynth().toMaster();\n\t\t * noiseSynth.triggerAttackRelease(\"8n\");\n\t\t */\n\t    Tone.NoiseSynth = function (options) {\n\t        //get the defaults\n\t        options = this.defaultArg(options, Tone.NoiseSynth.defaults);\n\t        Tone.Instrument.call(this, options);\n\t        /**\n\t\t\t *  The noise source.\n\t\t\t *  @type {Tone.Noise}\n\t\t\t *  @example\n\t\t\t * noiseSynth.set(\"noise.type\", \"brown\");\n\t\t\t */\n\t        this.noise = new Tone.Noise();\n\t        /**\n\t\t\t *  The amplitude envelope. \n\t\t\t *  @type {Tone.AmplitudeEnvelope}\n\t\t\t */\n\t        this.envelope = new Tone.AmplitudeEnvelope(options.envelope);\n\t        //connect the noise to the output\n\t        this.noise.chain(this.envelope, this.output);\n\t        //start the noise\n\t        this.noise.start();\n\t        this._readOnly([\n\t            'noise',\n\t            'envelope'\n\t        ]);\n\t    };\n\t    Tone.extend(Tone.NoiseSynth, Tone.Instrument);\n\t    /**\n\t\t *  @const\n\t\t *  @static\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.NoiseSynth.defaults = {\n\t        'noise': { 'type': 'white' },\n\t        'envelope': {\n\t            'attack': 0.005,\n\t            'decay': 0.1,\n\t            'sustain': 0\n\t        }\n\t    };\n\t    /**\n\t\t *  Start the attack portion of the envelopes. Unlike other \n\t\t *  instruments, Tone.NoiseSynth doesn't have a note. \n\t\t *  @param {Time} [time=now] the time the attack should start\n\t\t *  @param {number} [velocity=1] the velocity of the note (0-1)\n\t\t *  @returns {Tone.NoiseSynth} this\n\t\t *  @example\n\t\t * noiseSynth.triggerAttack();\n\t\t */\n\t    Tone.NoiseSynth.prototype.triggerAttack = function (time, velocity) {\n\t        //the envelopes\n\t        this.envelope.triggerAttack(time, velocity);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Start the release portion of the envelopes.\n\t\t *  @param {Time} [time=now] the time the release should start\n\t\t *  @returns {Tone.NoiseSynth} this\n\t\t */\n\t    Tone.NoiseSynth.prototype.triggerRelease = function (time) {\n\t        this.envelope.triggerRelease(time);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Trigger the attack and then the release. \n\t\t *  @param  {Time} duration the duration of the note\n\t\t *  @param  {Time} [time=now]     the time of the attack\n\t\t *  @param  {number} [velocity=1] the velocity\n\t\t *  @returns {Tone.NoiseSynth} this\n\t\t */\n\t    Tone.NoiseSynth.prototype.triggerAttackRelease = function (duration, time, velocity) {\n\t        time = this.toSeconds(time);\n\t        duration = this.toSeconds(duration);\n\t        this.triggerAttack(time, velocity);\n\t        this.triggerRelease(time + duration);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Clean up. \n\t\t *  @returns {Tone.NoiseSynth} this\n\t\t */\n\t    Tone.NoiseSynth.prototype.dispose = function () {\n\t        Tone.Instrument.prototype.dispose.call(this);\n\t        this._writable([\n\t            'noise',\n\t            'envelope'\n\t        ]);\n\t        this.noise.dispose();\n\t        this.noise = null;\n\t        this.envelope.dispose();\n\t        this.envelope = null;\n\t        return this;\n\t    };\n\t    return Tone.NoiseSynth;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Karplus-String string synthesis. Often out of tune. \n\t\t *         Will change when the AudioWorkerNode is available across\n\t\t *         browsers. \n\t\t *  \n\t\t *  @constructor\n\t\t *  @extends {Tone.Instrument}\n\t\t *  @param {Object} [options] see the defaults\n\t\t *  @example\n\t\t * var plucky = new Tone.PluckSynth().toMaster();\n\t\t * plucky.triggerAttack(\"C4\");\n\t\t */\n\t    Tone.PluckSynth = function (options) {\n\t        options = this.defaultArg(options, Tone.PluckSynth.defaults);\n\t        Tone.Instrument.call(this, options);\n\t        /**\n\t\t\t *  @type {Tone.Noise}\n\t\t\t *  @private\n\t\t\t */\n\t        this._noise = new Tone.Noise('pink');\n\t        /**\n\t\t\t *  The amount of noise at the attack. \n\t\t\t *  Nominal range of [0.1, 20]\n\t\t\t *  @type {number}\n\t\t\t */\n\t        this.attackNoise = options.attackNoise;\n\t        /**\n\t\t\t *  the LFCF\n\t\t\t *  @type {Tone.LowpassCombFilter}\n\t\t\t *  @private\n\t\t\t */\n\t        this._lfcf = new Tone.LowpassCombFilter({\n\t            'resonance': options.resonance,\n\t            'dampening': options.dampening\n\t        });\n\t        /**\n\t\t\t *  The resonance control. \n\t\t\t *  @type {NormalRange}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.resonance = this._lfcf.resonance;\n\t        /**\n\t\t\t *  The dampening control. i.e. the lowpass filter frequency of the comb filter\n\t\t\t *  @type {Frequency}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.dampening = this._lfcf.dampening;\n\t        //connections\n\t        this._noise.connect(this._lfcf);\n\t        this._lfcf.connect(this.output);\n\t        this._readOnly([\n\t            'resonance',\n\t            'dampening'\n\t        ]);\n\t    };\n\t    Tone.extend(Tone.PluckSynth, Tone.Instrument);\n\t    /**\n\t\t *  @static\n\t\t *  @const\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.PluckSynth.defaults = {\n\t        'attackNoise': 1,\n\t        'dampening': 4000,\n\t        'resonance': 0.9\n\t    };\n\t    /**\n\t\t *  Trigger the note. \n\t\t *  @param {Frequency} note The note to trigger.\n\t\t *  @param {Time} [time=now] When the note should be triggered.\n\t\t *  @returns {Tone.PluckSynth} this\n\t\t */\n\t    Tone.PluckSynth.prototype.triggerAttack = function (note, time) {\n\t        note = this.toFrequency(note);\n\t        time = this.toSeconds(time);\n\t        var delayAmount = 1 / note;\n\t        this._lfcf.delayTime.setValueAtTime(delayAmount, time);\n\t        this._noise.start(time);\n\t        this._noise.stop(time + delayAmount * this.attackNoise);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Clean up. \n\t\t *  @returns {Tone.PluckSynth} this\n\t\t */\n\t    Tone.PluckSynth.prototype.dispose = function () {\n\t        Tone.Instrument.prototype.dispose.call(this);\n\t        this._noise.dispose();\n\t        this._lfcf.dispose();\n\t        this._noise = null;\n\t        this._lfcf = null;\n\t        this._writable([\n\t            'resonance',\n\t            'dampening'\n\t        ]);\n\t        this.dampening = null;\n\t        this.resonance = null;\n\t        return this;\n\t    };\n\t    return Tone.PluckSynth;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  Tone.PolySynth handles voice creation and allocation for any\n\t\t *          instruments passed in as the second paramter. PolySynth is \n\t\t *          not a synthesizer by itself, it merely manages voices of \n\t\t *          one of the other types of synths, allowing any of the \n\t\t *          monophonic synthesizers to be polyphonic. \n\t\t *\n\t\t *  @constructor\n\t\t *  @extends {Tone.Instrument}\n\t\t *  @param {number|Object} [polyphony=4] The number of voices to create\n\t\t *  @param {function} [voice=Tone.Synth] The constructor of the voices\n\t\t *                                            uses Tone.Synth by default. \n\t\t *  @example\n\t\t * //a polysynth composed of 6 Voices of Synth\n\t\t * var synth = new Tone.PolySynth(6, Tone.Synth).toMaster();\n\t\t * //set the attributes using the set interface\n\t\t * synth.set(\"detune\", -1200);\n\t\t * //play a chord\n\t\t * synth.triggerAttackRelease([\"C4\", \"E4\", \"A4\"], \"4n\");\n\t\t */\n\t    Tone.PolySynth = function () {\n\t        Tone.Instrument.call(this);\n\t        var options = this.optionsObject(arguments, [\n\t            'polyphony',\n\t            'voice'\n\t        ], Tone.PolySynth.defaults);\n\t        options = this.defaultArg(options, Tone.Instrument.defaults);\n\t        //max polyphony\n\t        options.polyphony = Math.min(Tone.PolySynth.MAX_POLYPHONY, options.polyphony);\n\t        /**\n\t\t\t *  the array of voices\n\t\t\t *  @type {Array}\n\t\t\t */\n\t        this.voices = new Array(options.polyphony);\n\t        /**\n\t\t\t *  The queue of voices with data about last trigger\n\t\t\t *  and the triggered note\n\t\t\t *  @private\n\t\t\t *  @type {Array}\n\t\t\t */\n\t        this._triggers = new Array(options.polyphony);\n\t        /**\n\t\t\t *  The detune in cents\n\t\t\t *  @type {Cents}\n\t\t\t *  @signal\n\t\t\t */\n\t        this.detune = new Tone.Signal(options.detune, Tone.Type.Cents);\n\t        this._readOnly('detune');\n\t        //create the voices\n\t        for (var i = 0; i < options.polyphony; i++) {\n\t            var v = new options.voice(arguments[2], arguments[3]);\n\t            this.voices[i] = v;\n\t            v.connect(this.output);\n\t            if (v.hasOwnProperty('detune')) {\n\t                this.detune.connect(v.detune);\n\t            }\n\t            this._triggers[i] = {\n\t                release: -1,\n\t                note: null,\n\t                voice: v\n\t            };\n\t        }\n\t        //set the volume initially\n\t        this.volume.value = options.volume;\n\t    };\n\t    Tone.extend(Tone.PolySynth, Tone.Instrument);\n\t    /**\n\t\t *  the defaults\n\t\t *  @const\n\t\t *  @static\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.PolySynth.defaults = {\n\t        'polyphony': 4,\n\t        'volume': 0,\n\t        'detune': 0,\n\t        'voice': Tone.Synth\n\t    };\n\t    /**\n\t\t *  Trigger the attack portion of the note\n\t\t *  @param  {Frequency|Array} notes The notes to play. Accepts a single\n\t\t *                                  Frequency or an array of frequencies.\n\t\t *  @param  {Time} [time=now]  The start time of the note.\n\t\t *  @param {number} [velocity=1] The velocity of the note.\n\t\t *  @returns {Tone.PolySynth} this\n\t\t *  @example\n\t\t * //trigger a chord immediately with a velocity of 0.2\n\t\t * poly.triggerAttack([\"Ab3\", \"C4\", \"F5\"], undefined, 0.2);\n\t\t */\n\t    Tone.PolySynth.prototype.triggerAttack = function (notes, time, velocity) {\n\t        if (!Array.isArray(notes)) {\n\t            notes = [notes];\n\t        }\n\t        time = this.toSeconds(time);\n\t        for (var i = 0; i < notes.length; i++) {\n\t            var val = notes[i];\n\t            //trigger the oldest voice\n\t            var oldest = this._triggers[0];\n\t            var oldestIndex = 0;\n\t            for (var j = 1; j < this._triggers.length; j++) {\n\t                if (this._triggers[j].release < oldest.release) {\n\t                    oldest = this._triggers[j];\n\t                    oldestIndex = j;\n\t                }\n\t            }\n\t            oldest.release = Infinity;\n\t            oldest.note = JSON.stringify(val);\n\t            oldest.voice.triggerAttack(val, time, velocity);\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Trigger the attack and release after the specified duration\n\t\t *  \n\t\t *  @param  {Frequency|Array} notes The notes to play. Accepts a single\n\t\t *                                  Frequency or an array of frequencies.\n\t\t *  @param  {Time} duration the duration of the note\n\t\t *  @param  {Time} [time=now]     if no time is given, defaults to now\n\t\t *  @param  {number} [velocity=1] the velocity of the attack (0-1)\n\t\t *  @returns {Tone.PolySynth} this\n\t\t *  @example\n\t\t * //trigger a chord for a duration of a half note \n\t\t * poly.triggerAttackRelease([\"Eb3\", \"G4\", \"C5\"], \"2n\");\n\t\t *  @example\n\t\t * //can pass in an array of durations as well\n\t\t * poly.triggerAttackRelease([\"Eb3\", \"G4\", \"C5\"], [\"2n\", \"4n\", \"4n\"]);\n\t\t */\n\t    Tone.PolySynth.prototype.triggerAttackRelease = function (notes, duration, time, velocity) {\n\t        time = this.toSeconds(time);\n\t        this.triggerAttack(notes, time, velocity);\n\t        if (this.isArray(duration) && this.isArray(notes)) {\n\t            for (var i = 0; i < notes.length; i++) {\n\t                var d = duration[Math.min(i, duration.length - 1)];\n\t                this.triggerRelease(notes[i], time + this.toSeconds(d));\n\t            }\n\t        } else {\n\t            this.triggerRelease(notes, time + this.toSeconds(duration));\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Trigger the release of the note. Unlike monophonic instruments, \n\t\t *  a note (or array of notes) needs to be passed in as the first argument.\n\t\t *  @param  {Frequency|Array} notes The notes to play. Accepts a single\n\t\t *                                  Frequency or an array of frequencies.\n\t\t *  @param  {Time} [time=now]  When the release will be triggered. \n\t\t *  @returns {Tone.PolySynth} this\n\t\t *  @example\n\t\t * poly.triggerRelease([\"Ab3\", \"C4\", \"F5\"], \"+2n\");\n\t\t */\n\t    Tone.PolySynth.prototype.triggerRelease = function (notes, time) {\n\t        if (!Array.isArray(notes)) {\n\t            notes = [notes];\n\t        }\n\t        time = this.toSeconds(time);\n\t        for (var i = 0; i < notes.length; i++) {\n\t            //get the voice\n\t            var stringified = JSON.stringify(notes[i]);\n\t            for (var v = 0; v < this._triggers.length; v++) {\n\t                var desc = this._triggers[v];\n\t                if (desc.note === stringified && desc.release > time) {\n\t                    desc.voice.triggerRelease(time);\n\t                    desc.release = time;\n\t                }\n\t            }\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Set a member/attribute of the voices. \n\t\t *  @param {Object|string} params\n\t\t *  @param {number=} value\n\t\t *  @param {Time=} rampTime\n\t\t *  @returns {Tone.PolySynth} this\n\t\t *  @example\n\t\t * poly.set({\n\t\t * \t\"filter\" : {\n\t\t * \t\t\"type\" : \"highpass\"\n\t\t * \t},\n\t\t * \t\"envelope\" : {\n\t\t * \t\t\"attack\" : 0.25\n\t\t * \t}\n\t\t * });\n\t\t */\n\t    Tone.PolySynth.prototype.set = function (params, value, rampTime) {\n\t        for (var i = 0; i < this.voices.length; i++) {\n\t            this.voices[i].set(params, value, rampTime);\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Get the synth's attributes. Given no arguments get\n\t\t *  will return all available object properties and their corresponding\n\t\t *  values. Pass in a single attribute to retrieve or an array\n\t\t *  of attributes. The attribute strings can also include a \".\"\n\t\t *  to access deeper properties.\n\t\t *  @param {Array=} params the parameters to get, otherwise will return \n\t\t *  \t\t\t\t\t   all available.\n\t\t */\n\t    Tone.PolySynth.prototype.get = function (params) {\n\t        return this.voices[0].get(params);\n\t    };\n\t    /**\n\t\t *  Trigger the release portion of all the currently active voices.\n\t\t *  @param {Time} [time=now] When the notes should be released.\n\t\t *  @return {Tone.PolySynth} this\n\t\t */\n\t    Tone.PolySynth.prototype.releaseAll = function (time) {\n\t        time = this.toSeconds(time);\n\t        for (var i = 0; i < this._triggers.length; i++) {\n\t            var desc = this._triggers[i];\n\t            if (desc.release > time) {\n\t                desc.release = time;\n\t                desc.voice.triggerRelease(time);\n\t            }\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Clean up.\n\t\t *  @returns {Tone.PolySynth} this\n\t\t */\n\t    Tone.PolySynth.prototype.dispose = function () {\n\t        Tone.Instrument.prototype.dispose.call(this);\n\t        for (var i = 0; i < this.voices.length; i++) {\n\t            this.voices[i].dispose();\n\t            this.voices[i] = null;\n\t        }\n\t        this._writable('detune');\n\t        this.detune.dispose();\n\t        this.detune = null;\n\t        this.voices = null;\n\t        this._triggers = null;\n\t        return this;\n\t    };\n\t    /**\n\t\t *  The maximum number of notes that can be allocated \n\t\t *  to a polysynth. \n\t\t *  @type  {Number}\n\t\t *  @static\n\t\t */\n\t    Tone.PolySynth.MAX_POLYPHONY = 20;\n\t    return Tone.PolySynth;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  Tone.Player is an audio file player with start, loop, and stop functions.\n\t\t *  \n\t\t *  @constructor\n\t\t *  @extends {Tone.Source} \n\t\t *  @param {string|AudioBuffer} url Either the AudioBuffer or the url from\n\t\t *                                  which to load the AudioBuffer\n\t\t *  @param {function=} onload The function to invoke when the buffer is loaded. \n\t\t *                            Recommended to use Tone.Buffer.on('load') instead.\n\t\t *  @example\n\t\t * var player = new Tone.Player(\"./path/to/sample.mp3\").toMaster();\n\t\t * //play as soon as the buffer is loaded\n\t\t * player.autostart = true;\n\t\t */\n\t    Tone.Player = function (url) {\n\t        var options;\n\t        if (url instanceof Tone.Buffer) {\n\t            url = url.get();\n\t            options = Tone.Player.defaults;\n\t        } else {\n\t            options = this.optionsObject(arguments, [\n\t                'url',\n\t                'onload'\n\t            ], Tone.Player.defaults);\n\t        }\n\t        Tone.Source.call(this, options);\n\t        /**\n\t\t\t *  @private\n\t\t\t *  @type {AudioBufferSourceNode}\n\t\t\t */\n\t        this._source = null;\n\t        /**\n\t\t\t *  If the file should play as soon\n\t\t\t *  as the buffer is loaded. \n\t\t\t *  @type {boolean}\n\t\t\t *  @example\n\t\t\t * //will play as soon as it's loaded\n\t\t\t * var player = new Tone.Player({\n\t\t\t * \t\"url\" : \"./path/to/sample.mp3\",\n\t\t\t * \t\"autostart\" : true,\n\t\t\t * }).toMaster();\n\t\t\t */\n\t        this.autostart = options.autostart;\n\t        /**\n\t\t\t *  the buffer\n\t\t\t *  @private\n\t\t\t *  @type {Tone.Buffer}\n\t\t\t */\n\t        this._buffer = new Tone.Buffer({\n\t            'url': options.url,\n\t            'onload': this._onload.bind(this, options.onload),\n\t            'reverse': options.reverse\n\t        });\n\t        if (url instanceof AudioBuffer) {\n\t            this._buffer.set(url);\n\t        }\n\t        /**\n\t\t\t *  if the buffer should loop once it's over\n\t\t\t *  @type {boolean}\n\t\t\t *  @private\n\t\t\t */\n\t        this._loop = options.loop;\n\t        /**\n\t\t\t *  if 'loop' is true, the loop will start at this position\n\t\t\t *  @type {Time}\n\t\t\t *  @private\n\t\t\t */\n\t        this._loopStart = options.loopStart;\n\t        /**\n\t\t\t *  if 'loop' is true, the loop will end at this position\n\t\t\t *  @type {Time}\n\t\t\t *  @private\n\t\t\t */\n\t        this._loopEnd = options.loopEnd;\n\t        /**\n\t\t\t *  the playback rate\n\t\t\t *  @private\n\t\t\t *  @type {number}\n\t\t\t */\n\t        this._playbackRate = options.playbackRate;\n\t        /**\n\t\t\t *  Enabling retrigger will allow a player to be restarted\n\t\t\t *  before the the previous 'start' is done playing. Otherwise, \n\t\t\t *  successive calls to Tone.Player.start will only start\n\t\t\t *  the sample if it had played all the way through. \n\t\t\t *  @type {boolean}\n\t\t\t */\n\t        this.retrigger = options.retrigger;\n\t    };\n\t    Tone.extend(Tone.Player, Tone.Source);\n\t    /**\n\t\t *  the default parameters\n\t\t *  @static\n\t\t *  @const\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.Player.defaults = {\n\t        'onload': Tone.noOp,\n\t        'playbackRate': 1,\n\t        'loop': false,\n\t        'autostart': false,\n\t        'loopStart': 0,\n\t        'loopEnd': 0,\n\t        'retrigger': false,\n\t        'reverse': false\n\t    };\n\t    /**\n\t\t *  Load the audio file as an audio buffer.\n\t\t *  Decodes the audio asynchronously and invokes\n\t\t *  the callback once the audio buffer loads. \n\t\t *  Note: this does not need to be called if a url\n\t\t *  was passed in to the constructor. Only use this\n\t\t *  if you want to manually load a new url. \n\t\t * @param {string} url The url of the buffer to load.\n\t\t *                     Filetype support depends on the\n\t\t *                     browser.\n\t\t *  @param  {function=} callback The function to invoke once\n\t\t *                               the sample is loaded.\n\t\t *  @returns {Promise}\n\t\t */\n\t    Tone.Player.prototype.load = function (url, callback) {\n\t        return this._buffer.load(url, this._onload.bind(this, callback));\n\t    };\n\t    /**\n\t\t * Internal callback when the buffer is loaded.\n\t\t * @private\n\t\t */\n\t    Tone.Player.prototype._onload = function (callback) {\n\t        callback = this.defaultArg(callback, Tone.noOp);\n\t        callback(this);\n\t        if (this.autostart) {\n\t            this.start();\n\t        }\n\t    };\n\t    /**\n\t\t *  Play the buffer at the given startTime. Optionally add an offset\n\t\t *  and/or duration which will play the buffer from a position\n\t\t *  within the buffer for the given duration. \n\t\t *  \n\t\t *  @param  {Time} [startTime=now] When the player should start.\n\t\t *  @param  {Time} [offset=0] The offset from the beginning of the sample\n\t\t *                                 to start at. \n\t\t *  @param  {Time=} duration How long the sample should play. If no duration\n\t\t *                                is given, it will default to the full length \n\t\t *                                of the sample (minus any offset)\n\t\t *  @returns {Tone.Player} this\n\t\t *  @memberOf Tone.Player#\n\t\t *  @method start\n\t\t *  @name start\n\t\t */\n\t    /**\n\t\t *  Internal start method\n\t\t *  @private\n\t\t */\n\t    Tone.Player.prototype._start = function (startTime, offset, duration) {\n\t        if (this._buffer.loaded) {\n\t            //if it's a loop the default offset is the loopstart point\n\t            if (this._loop) {\n\t                offset = this.defaultArg(offset, this._loopStart);\n\t            } else {\n\t                //otherwise the default offset is 0\n\t                offset = this.defaultArg(offset, 0);\n\t            }\n\t            offset = this.toSeconds(offset);\n\t            //make sure it has a positive duration\n\t            duration = this.defaultArg(duration, Math.max(this._buffer.duration - offset, 0));\n\t            duration = this.toSeconds(duration);\n\t            //the values in seconds\n\t            startTime = this.toSeconds(startTime);\n\t            //make the source\n\t            this._source = this.context.createBufferSource();\n\t            this._source.buffer = this._buffer.get();\n\t            //set the looping properties\n\t            if (this._loop) {\n\t                this._source.loop = this._loop;\n\t                this._source.loopStart = this.toSeconds(this._loopStart);\n\t                this._source.loopEnd = this.toSeconds(this._loopEnd);\n\t            } else if (!this._synced) {\n\t                //if it's not looping, set the state change at the end of the sample\n\t                this._state.setStateAtTime(Tone.State.Stopped, startTime + duration);\n\t            }\n\t            //and other properties\n\t            this._source.playbackRate.value = this._playbackRate;\n\t            this._source.connect(this.output);\n\t            //start it\n\t            if (this._loop) {\n\t                //modify the offset if it's greater than the loop time\n\t                var loopEnd = this._source.loopEnd || this._buffer.duration;\n\t                var loopStart = this._source.loopStart;\n\t                var loopDuration = loopEnd - loopStart;\n\t                if (offset > loopEnd) {\n\t                    //move the offset back\n\t                    while (offset > loopEnd) {\n\t                        offset -= loopDuration;\n\t                    }\n\t                }\n\t                this._source.start(startTime, offset);\n\t            } else {\n\t                this._source.start(startTime, offset, duration);\n\t            }\n\t        } else {\n\t            throw Error('Tone.Player: tried to start Player before the buffer was loaded');\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Stop playback.\n\t\t *  @private\n\t\t *  @param  {Time} [time=now]\n\t\t *  @returns {Tone.Player} this\n\t\t */\n\t    Tone.Player.prototype._stop = function (time) {\n\t        if (this._source) {\n\t            this._source.stop(this.toSeconds(time));\n\t            this._source = null;\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Seek to a specific time in the player's buffer. If the \n\t\t *  source is no longer playing at that time, it will stop.\n\t\t *  If you seek to a time that \n\t\t *  @param {Time} offset The time to seek to.\n\t\t *  @param {Time=} time The time for the seek event to occur.\n\t\t *  @return {Tone.Player} this\n\t\t *  @example\n\t\t * source.start(0.2);\n\t\t * source.stop(0.4);\n\t\t */\n\t    Tone.Player.prototype.seek = function (offset, time) {\n\t        time = this.toSeconds(time);\n\t        if (this._state.getValueAtTime(time) === Tone.State.Started) {\n\t            offset = this.toSeconds(offset);\n\t            // if it's currently playing, stop it\n\t            this._stop(time);\n\t            //restart it at the given time\n\t            this._start(time, offset);\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Set the loop start and end. Will only loop if loop is \n\t\t *  set to true. \n\t\t *  @param {Time} loopStart The loop end time\n\t\t *  @param {Time} loopEnd The loop end time\n\t\t *  @returns {Tone.Player} this\n\t\t *  @example\n\t\t * //loop 0.1 seconds of the file. \n\t\t * player.setLoopPoints(0.2, 0.3);\n\t\t * player.loop = true;\n\t\t */\n\t    Tone.Player.prototype.setLoopPoints = function (loopStart, loopEnd) {\n\t        this.loopStart = loopStart;\n\t        this.loopEnd = loopEnd;\n\t        return this;\n\t    };\n\t    /**\n\t\t * If loop is true, the loop will start at this position. \n\t\t * @memberOf Tone.Player#\n\t\t * @type {Time}\n\t\t * @name loopStart\n\t\t */\n\t    Object.defineProperty(Tone.Player.prototype, 'loopStart', {\n\t        get: function () {\n\t            return this._loopStart;\n\t        },\n\t        set: function (loopStart) {\n\t            this._loopStart = loopStart;\n\t            if (this._source) {\n\t                this._source.loopStart = this.toSeconds(loopStart);\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t * If loop is true, the loop will end at this position.\n\t\t * @memberOf Tone.Player#\n\t\t * @type {Time}\n\t\t * @name loopEnd\n\t\t */\n\t    Object.defineProperty(Tone.Player.prototype, 'loopEnd', {\n\t        get: function () {\n\t            return this._loopEnd;\n\t        },\n\t        set: function (loopEnd) {\n\t            this._loopEnd = loopEnd;\n\t            if (this._source) {\n\t                this._source.loopEnd = this.toSeconds(loopEnd);\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t * The audio buffer belonging to the player. \n\t\t * @memberOf Tone.Player#\n\t\t * @type {Tone.Buffer}\n\t\t * @name buffer\n\t\t */\n\t    Object.defineProperty(Tone.Player.prototype, 'buffer', {\n\t        get: function () {\n\t            return this._buffer;\n\t        },\n\t        set: function (buffer) {\n\t            this._buffer.set(buffer);\n\t        }\n\t    });\n\t    /**\n\t\t * If the buffer should loop once it's over. \n\t\t * @memberOf Tone.Player#\n\t\t * @type {boolean}\n\t\t * @name loop\n\t\t */\n\t    Object.defineProperty(Tone.Player.prototype, 'loop', {\n\t        get: function () {\n\t            return this._loop;\n\t        },\n\t        set: function (loop) {\n\t            this._loop = loop;\n\t            if (this._source) {\n\t                this._source.loop = loop;\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t * The playback speed. 1 is normal speed. This is not a signal because\n\t\t * Safari and iOS currently don't support playbackRate as a signal.\n\t\t * @memberOf Tone.Player#\n\t\t * @type {number}\n\t\t * @name playbackRate\n\t\t */\n\t    Object.defineProperty(Tone.Player.prototype, 'playbackRate', {\n\t        get: function () {\n\t            return this._playbackRate;\n\t        },\n\t        set: function (rate) {\n\t            this._playbackRate = rate;\n\t            if (this._source) {\n\t                this._source.playbackRate.value = rate;\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t * The direction the buffer should play in\n\t\t * @memberOf Tone.Player#\n\t\t * @type {boolean}\n\t\t * @name reverse\n\t\t */\n\t    Object.defineProperty(Tone.Player.prototype, 'reverse', {\n\t        get: function () {\n\t            return this._buffer.reverse;\n\t        },\n\t        set: function (rev) {\n\t            this._buffer.reverse = rev;\n\t        }\n\t    });\n\t    /**\n\t\t *  Dispose and disconnect.\n\t\t *  @return {Tone.Player} this\n\t\t */\n\t    Tone.Player.prototype.dispose = function () {\n\t        Tone.Source.prototype.dispose.call(this);\n\t        if (this._source !== null) {\n\t            this._source.disconnect();\n\t            this._source = null;\n\t        }\n\t        this._buffer.dispose();\n\t        this._buffer = null;\n\t        return this;\n\t    };\n\t    return Tone.Player;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Sampler wraps Tone.Player in an AmplitudeEnvelope.\n\t\t *\n\t\t *  @constructor\n\t\t *  @extends {Tone.Instrument}\n\t\t *  @param {String} url the url of the audio file\n\t\t *  @param {Function=} onload The callback to invoke when the sample is loaded.\n\t\t *  @example\n\t\t * var sampler = new Sampler(\"./audio/casio/A1.mp3\", function(){\n\t\t * \t//repitch the sample down a half step\n\t\t * \tsampler.triggerAttack(-1);\n\t\t * }).toMaster();\n\t\t */\n\t    Tone.Sampler = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'url',\n\t            'onload'\n\t        ], Tone.Sampler.defaults);\n\t        Tone.Instrument.call(this, options);\n\t        /**\n\t\t\t *  The sample player.\n\t\t\t *  @type {Tone.Player}\n\t\t\t */\n\t        this.player = new Tone.Player(options.url, options.onload);\n\t        this.player.retrigger = true;\n\t        /**\n\t\t\t *  The amplitude envelope. \n\t\t\t *  @type {Tone.AmplitudeEnvelope}\n\t\t\t */\n\t        this.envelope = new Tone.AmplitudeEnvelope(options.envelope);\n\t        this.player.chain(this.envelope, this.output);\n\t        this._readOnly([\n\t            'player',\n\t            'envelope'\n\t        ]);\n\t        this.loop = options.loop;\n\t        this.reverse = options.reverse;\n\t    };\n\t    Tone.extend(Tone.Sampler, Tone.Instrument);\n\t    /**\n\t\t *  the default parameters\n\t\t *  @static\n\t\t */\n\t    Tone.Sampler.defaults = {\n\t        'onload': Tone.noOp,\n\t        'loop': false,\n\t        'reverse': false,\n\t        'envelope': {\n\t            'attack': 0.001,\n\t            'decay': 0,\n\t            'sustain': 1,\n\t            'release': 0.1\n\t        }\n\t    };\n\t    /**\n\t\t *  Trigger the start of the sample. \n\t\t *  @param {Interval} [pitch=0] The amount the sample should\n\t\t *                              be repitched. \n\t\t *  @param {Time} [time=now] The time when the sample should start\n\t\t *  @param {NormalRange} [velocity=1] The velocity of the note\n\t\t *  @returns {Tone.Sampler} this\n\t\t *  @example\n\t\t * sampler.triggerAttack(0, \"+0.1\", 0.5);\n\t\t */\n\t    Tone.Sampler.prototype.triggerAttack = function (pitch, time, velocity) {\n\t        time = this.toSeconds(time);\n\t        pitch = this.defaultArg(pitch, 0);\n\t        this.player.playbackRate = this.intervalToFrequencyRatio(pitch);\n\t        this.player.start(time);\n\t        this.envelope.triggerAttack(time, velocity);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Start the release portion of the sample. Will stop the sample once the \n\t\t *  envelope has fully released. \n\t\t *  \n\t\t *  @param {Time} [time=now] The time when the note should release\n\t\t *  @returns {Tone.Sampler} this\n\t\t *  @example\n\t\t * sampler.triggerRelease();\n\t\t */\n\t    Tone.Sampler.prototype.triggerRelease = function (time) {\n\t        time = this.toSeconds(time);\n\t        this.envelope.triggerRelease(time);\n\t        this.player.stop(this.toSeconds(this.envelope.release) + time);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Trigger the attack and then the release after the duration. \n\t\t *  @param  {Interval} interval     The interval in half-steps that the\n\t\t *                                  sample should be pitch shifted.\n\t\t *  @param  {Time} duration How long the note should be held for before\n\t\t *                          triggering the release.\n\t\t *  @param {Time} [time=now]  When the note should be triggered.\n\t\t *  @param  {NormalRange} [velocity=1] The velocity the note should be triggered at.\n\t\t *  @returns {Tone.Sampler} this\n\t\t *  @example\n\t\t * //trigger the unpitched note for the duration of an 8th note\n\t\t * synth.triggerAttackRelease(0, \"8n\");\n\t\t *  @memberOf Tone.Sampler#\n\t\t *  @name triggerAttackRelease\n\t\t *  @method triggerAttackRelease\n\t\t */\n\t    /**\n\t\t * If the output sample should loop or not.\n\t\t * @memberOf Tone.Sampler#\n\t\t * @type {number|string}\n\t\t * @name loop\n\t\t */\n\t    Object.defineProperty(Tone.Sampler.prototype, 'loop', {\n\t        get: function () {\n\t            return this.player.loop;\n\t        },\n\t        set: function (loop) {\n\t            this.player.loop = loop;\n\t        }\n\t    });\n\t    /**\n\t\t * The direction the buffer should play in\n\t\t * @memberOf Tone.Sampler#\n\t\t * @type {boolean}\n\t\t * @name reverse\n\t\t */\n\t    Object.defineProperty(Tone.Sampler.prototype, 'reverse', {\n\t        get: function () {\n\t            return this.player.reverse;\n\t        },\n\t        set: function (rev) {\n\t            this.player.reverse = rev;\n\t        }\n\t    });\n\t    /**\n\t\t * The buffer to play.\n\t\t * @memberOf Tone.Sampler#\n\t\t * @type {Tone.Buffer}\n\t\t * @name buffer\n\t\t */\n\t    Object.defineProperty(Tone.Sampler.prototype, 'buffer', {\n\t        get: function () {\n\t            return this.player.buffer;\n\t        },\n\t        set: function (buff) {\n\t            this.player.buffer = buff;\n\t        }\n\t    });\n\t    /**\n\t\t *  Clean up.\n\t\t *  @returns {Tone.Sampler} this\n\t\t */\n\t    Tone.Sampler.prototype.dispose = function () {\n\t        Tone.Instrument.prototype.dispose.call(this);\n\t        this._writable([\n\t            'player',\n\t            'envelope'\n\t        ]);\n\t        this.player.dispose();\n\t        this.player = null;\n\t        this.envelope.dispose();\n\t        this.envelope = null;\n\t        return this;\n\t    };\n\t    return Tone.Sampler;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Maps a NormalRange [0, 1] to an AudioRange [-1, 1]. \n\t\t *         See also Tone.AudioToGain. \n\t\t *\n\t\t *  @extends {Tone.SignalBase}\n\t\t *  @constructor\n\t\t *  @example\n\t\t * var g2a = new Tone.GainToAudio();\n\t\t */\n\t    Tone.GainToAudio = function () {\n\t        /**\n\t\t\t *  @type {WaveShaperNode}\n\t\t\t *  @private\n\t\t\t */\n\t        this._norm = this.input = this.output = new Tone.WaveShaper(function (x) {\n\t            return Math.abs(x) * 2 - 1;\n\t        });\n\t    };\n\t    Tone.extend(Tone.GainToAudio, Tone.SignalBase);\n\t    /**\n\t\t *  clean up\n\t\t *  @returns {Tone.GainToAudio} this\n\t\t */\n\t    Tone.GainToAudio.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._norm.dispose();\n\t        this._norm = null;\n\t        return this;\n\t    };\n\t    return Tone.GainToAudio;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class Normalize takes an input min and max and maps it linearly to NormalRange [0,1]\n\t\t *\n\t\t *  @extends {Tone.SignalBase}\n\t\t *  @constructor\n\t\t *  @param {number} inputMin the min input value\n\t\t *  @param {number} inputMax the max input value\n\t\t *  @example\n\t\t * var norm = new Tone.Normalize(2, 4);\n\t\t * var sig = new Tone.Signal(3).connect(norm);\n\t\t * //output of norm is 0.5. \n\t\t */\n\t    Tone.Normalize = function (inputMin, inputMax) {\n\t        /**\n\t\t\t *  the min input value\n\t\t\t *  @type {number}\n\t\t\t *  @private\n\t\t\t */\n\t        this._inputMin = this.defaultArg(inputMin, 0);\n\t        /**\n\t\t\t *  the max input value\n\t\t\t *  @type {number}\n\t\t\t *  @private\n\t\t\t */\n\t        this._inputMax = this.defaultArg(inputMax, 1);\n\t        /**\n\t\t\t *  subtract the min from the input\n\t\t\t *  @type {Tone.Add}\n\t\t\t *  @private\n\t\t\t */\n\t        this._sub = this.input = new Tone.Add(0);\n\t        /**\n\t\t\t *  divide by the difference between the input and output\n\t\t\t *  @type {Tone.Multiply}\n\t\t\t *  @private\n\t\t\t */\n\t        this._div = this.output = new Tone.Multiply(1);\n\t        this._sub.connect(this._div);\n\t        this._setRange();\n\t    };\n\t    Tone.extend(Tone.Normalize, Tone.SignalBase);\n\t    /**\n\t\t * The minimum value the input signal will reach.\n\t\t * @memberOf Tone.Normalize#\n\t\t * @type {number}\n\t\t * @name min\n\t\t */\n\t    Object.defineProperty(Tone.Normalize.prototype, 'min', {\n\t        get: function () {\n\t            return this._inputMin;\n\t        },\n\t        set: function (min) {\n\t            this._inputMin = min;\n\t            this._setRange();\n\t        }\n\t    });\n\t    /**\n\t\t * The maximum value the input signal will reach.\n\t\t * @memberOf Tone.Normalize#\n\t\t * @type {number}\n\t\t * @name max\n\t\t */\n\t    Object.defineProperty(Tone.Normalize.prototype, 'max', {\n\t        get: function () {\n\t            return this._inputMax;\n\t        },\n\t        set: function (max) {\n\t            this._inputMax = max;\n\t            this._setRange();\n\t        }\n\t    });\n\t    /**\n\t\t *  set the values\n\t\t *  @private\n\t\t */\n\t    Tone.Normalize.prototype._setRange = function () {\n\t        this._sub.value = -this._inputMin;\n\t        this._div.value = 1 / (this._inputMax - this._inputMin);\n\t    };\n\t    /**\n\t\t *  clean up\n\t\t *  @returns {Tone.Normalize} this\n\t\t */\n\t    Tone.Normalize.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._sub.dispose();\n\t        this._sub = null;\n\t        this._div.dispose();\n\t        this._div = null;\n\t        return this;\n\t    };\n\t    return Tone.Normalize;\n\t});\n\tModule(function (Tone) {\n\t    /**\n\t\t *  @class Tone.MultiPlayer is well suited for one-shots, multi-sampled instruments\n\t\t *         or any time you need to play a bunch of audio buffers. \n\t\t *  @param  {Object|Array|Tone.Buffers}  buffers  The buffers which are available\n\t\t *                                                to the MultiPlayer\n\t\t *  @param {Function} onload The callback to invoke when all of the buffers are loaded.\n\t\t *  @extends {Tone}\n\t\t *  @example\n\t\t * var multiPlayer = new MultiPlayer({\n\t\t * \t\"kick\" : \"path/to/kick.mp3\",\n\t\t * \t\"snare\" : \"path/to/snare.mp3\",\n\t\t * }, function(){\n\t\t * \tmultiPlayer.start(\"kick\");\n\t\t * });\n\t\t *  @example\n\t\t * //can also store the values in an array\n\t\t * var multiPlayer = new MultiPlayer([\"path/to/kick.mp3\", \"path/to/snare.mp3\"], \n\t\t * function(){\n\t\t * \t//if an array is passed in, the samples are referenced to by index\n\t\t * \tmultiPlayer.start(1);\n\t\t * });\n\t\t */\n\t    Tone.MultiPlayer = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'urls',\n\t            'onload'\n\t        ], Tone.MultiPlayer.defaults);\n\t        if (options.urls instanceof Tone.Buffers) {\n\t            /**\n\t\t\t\t *  All the buffers belonging to the player.\n\t\t\t\t *  @type  {Tone.Buffers}\n\t\t\t\t */\n\t            this.buffers = options.urls;\n\t        } else {\n\t            this.buffers = new Tone.Buffers(options.urls, options.onload);\n\t        }\n\t        /**\n\t\t\t *  Keeps track of the currently playing sources.\n\t\t\t *  @type  {Object}\n\t\t\t *  @private\n\t\t\t */\n\t        this._activeSources = {};\n\t        /**\n\t\t\t *  The fade in envelope which is applied\n\t\t\t *  to the beginning of the BufferSource\n\t\t\t *  @type  {Time}\n\t\t\t */\n\t        this.fadeIn = options.fadeIn;\n\t        /**\n\t\t\t *  The fade out envelope which is applied\n\t\t\t *  to the end of the BufferSource\n\t\t\t *  @type  {Time}\n\t\t\t */\n\t        this.fadeOut = options.fadeOut;\n\t        /**\n\t\t\t *  The output volume node\n\t\t\t *  @type  {Tone.Volume}\n\t\t\t *  @private\n\t\t\t */\n\t        this._volume = this.output = new Tone.Volume(options.volume);\n\t        /**\n\t\t\t * The volume of the output in decibels.\n\t\t\t * @type {Decibels}\n\t\t\t * @signal\n\t\t\t * @example\n\t\t\t * source.volume.value = -6;\n\t\t\t */\n\t        this.volume = this._volume.volume;\n\t        this._readOnly('volume');\n\t        //make the output explicitly stereo\n\t        this._volume.output.output.channelCount = 2;\n\t        this._volume.output.output.channelCountMode = 'explicit';\n\t        //mute initially\n\t        this.mute = options.mute;\n\t    };\n\t    Tone.extend(Tone.MultiPlayer, Tone.Source);\n\t    /**\n\t\t *  The defaults\n\t\t *  @type  {Object}\n\t\t */\n\t    Tone.MultiPlayer.defaults = {\n\t        'onload': Tone.noOp,\n\t        'fadeIn': 0,\n\t        'fadeOut': 0\n\t    };\n\t    /**\n\t\t * Make the source from the buffername\n\t\t * @param  {String} bufferName\n\t\t * @return {Tone.BufferSource}\n\t\t * @private\n\t\t */\n\t    Tone.MultiPlayer.prototype._makeSource = function (bufferName) {\n\t        var buffer;\n\t        if (this.isString(bufferName) || this.isNumber(bufferName)) {\n\t            buffer = this.buffers.get(bufferName).get();\n\t        } else if (bufferName instanceof Tone.Buffer) {\n\t            buffer = bufferName.get();\n\t        } else if (bufferName instanceof AudioBuffer) {\n\t            buffer = bufferName;\n\t        }\n\t        var source = new Tone.BufferSource(buffer).connect(this.output);\n\t        if (!this._activeSources.hasOwnProperty(bufferName)) {\n\t            this._activeSources[bufferName] = [];\n\t        }\n\t        this._activeSources[bufferName].push(source);\n\t        return source;\n\t    };\n\t    /**\n\t\t *  Start a buffer by name. The `start` method allows a number of options\n\t\t *  to be passed in such as offset, interval, and gain. This is good for multi-sampled \n\t\t *  instruments and sound sprites where samples are repitched played back at different velocities.\n\t\t *  @param  {String}  bufferName    The name of the buffer to start.\n\t\t *  @param  {Time}  time      When to start the buffer.\n\t\t *  @param  {Time}  [offset=0]    The offset into the buffer to play from.\n\t\t *  @param  {Time=}  duration   How long to play the buffer for.\n\t\t *  @param  {Interval}  [pitch=0]  The interval to repitch the buffer.\n\t\t *  @param  {Gain}  [gain=1]      The gain to play the sample at.\n\t\t *  @return  {Tone.MultiPlayer}  this\n\t\t */\n\t    Tone.MultiPlayer.prototype.start = function (bufferName, time, offset, duration, pitch, gain) {\n\t        time = this.toSeconds(time);\n\t        var source = this._makeSource(bufferName);\n\t        source.start(time, offset, duration, this.defaultArg(gain, 1), this.fadeIn);\n\t        if (duration) {\n\t            source.stop(time + this.toSeconds(duration), this.fadeOut);\n\t        }\n\t        pitch = this.defaultArg(pitch, 0);\n\t        source.playbackRate.value = this.intervalToFrequencyRatio(pitch);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Start a looping buffer by name. Similar to `start`, but the buffer\n\t\t *  is looped instead of played straight through. Can still be stopped with `stop`. \n\t\t *  @param  {String}  bufferName    The name of the buffer to start.\n\t\t *  @param  {Time}  time      When to start the buffer.\n\t\t *  @param  {Time}  [offset=0]    The offset into the buffer to play from.\n\t\t *  @param  {Time=}  loopStart   The start of the loop.\n\t\t *  @param  {Time=}  loopEnd\tThe end of the loop.\n\t\t *  @param  {Interval}  [pitch=0]  The interval to repitch the buffer.\n\t\t *  @param  {Gain}  [gain=1]      The gain to play the sample at.\n\t\t *  @return  {Tone.MultiPlayer}  this\n\t\t */\n\t    Tone.MultiPlayer.prototype.startLoop = function (bufferName, time, offset, loopStart, loopEnd, pitch, gain) {\n\t        time = this.toSeconds(time);\n\t        var source = this._makeSource(bufferName);\n\t        source.loop = true;\n\t        source.loopStart = this.toSeconds(this.defaultArg(loopStart, 0));\n\t        source.loopEnd = this.toSeconds(this.defaultArg(loopEnd, 0));\n\t        source.start(time, offset, undefined, this.defaultArg(gain, 1), this.fadeIn);\n\t        pitch = this.defaultArg(pitch, 0);\n\t        source.playbackRate.value = this.intervalToFrequencyRatio(pitch);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Stop the first played instance of the buffer name.\n\t\t *  @param  {String}  bufferName  The buffer to stop.\n\t\t *  @param  {Time=}  time    When to stop the buffer\n\t\t *  @return  {Tone.MultiPlayer}  this\n\t\t */\n\t    Tone.MultiPlayer.prototype.stop = function (bufferName, time) {\n\t        if (this._activeSources[bufferName] && this._activeSources[bufferName].length) {\n\t            time = this.toSeconds(time);\n\t            this._activeSources[bufferName].shift().stop(time, this.fadeOut);\n\t        } else {\n\t            throw new Error('Tone.MultiPlayer: cannot stop a buffer that hasn\\'t been started or is already stopped');\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Stop all currently playing buffers at the given time.\n\t\t *  @param  {Time=}  time  When to stop the buffers.\n\t\t *  @return  {Tone.MultiPlayer}  this\n\t\t */\n\t    Tone.MultiPlayer.prototype.stopAll = function (time) {\n\t        time = this.toSeconds(time);\n\t        for (var bufferName in this._activeSources) {\n\t            var sources = this._activeSources[bufferName];\n\t            for (var i = 0; i < sources.length; i++) {\n\t                sources[i].stop(time);\n\t            }\n\t        }\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Add another buffer to the available buffers.\n\t\t *  @param {String} name The name to that the buffer is refered\n\t\t *                       to in start/stop methods. \n\t\t *  @param {String|Tone.Buffer} url The url of the buffer to load\n\t\t *                                  or the buffer.\n\t\t *  @param {Function} callback The function to invoke after the buffer is loaded.\n\t\t */\n\t    Tone.MultiPlayer.prototype.add = function (name, url, callback) {\n\t        this.buffers.add(name, url, callback);\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Returns the playback state of the source. \"started\"\n\t\t *  if there are any buffers playing. \"stopped\" otherwise.\n\t\t *  @type {Tone.State}\n\t\t *  @readOnly\n\t\t *  @memberOf Tone.MultiPlayer#\n\t\t *  @name state\n\t\t */\n\t    Object.defineProperty(Tone.MultiPlayer.prototype, 'state', {\n\t        get: function () {\n\t            return this._activeSources.length > 0 ? Tone.State.Started : Tone.State.Stopped;\n\t        }\n\t    });\n\t    /**\n\t\t * Mute the output. \n\t\t * @memberOf Tone.MultiPlayer#\n\t\t * @type {boolean}\n\t\t * @name mute\n\t\t * @example\n\t\t * //mute the output\n\t\t * source.mute = true;\n\t\t */\n\t    Object.defineProperty(Tone.MultiPlayer.prototype, 'mute', {\n\t        get: function () {\n\t            return this._volume.mute;\n\t        },\n\t        set: function (mute) {\n\t            this._volume.mute = mute;\n\t        }\n\t    });\n\t    /**\n\t\t *  Clean up.\n\t\t *  @return  {Tone.MultiPlayer}  this\n\t\t */\n\t    Tone.MultiPlayer.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this._volume.dispose();\n\t        this._volume = null;\n\t        this._writable('volume');\n\t        this.volume = null;\n\t        for (var bufferName in this._activeSources) {\n\t            this._activeSources[bufferName].forEach(function (source) {\n\t                source.dispose();\n\t            });\n\t        }\n\t        this.buffers.dispose();\n\t        this.buffers = null;\n\t        this._activeSources = null;\n\t        return this;\n\t    };\n\t    return Tone.MultiPlayer;\n\t});\n\tModule(function (Tone) {\n\t    /**\n\t\t * @class Tone.GrainPlayer implements [granular synthesis](https://en.wikipedia.org/wiki/Granular_synthesis).\n\t\t *        Granular Synthesis enables you to adjust pitch and playback rate independently. The grainSize is the \n\t\t *        amount of time each small chunk of audio is played for and the overlap is the \n\t\t *        amount of crossfading transition time between successive grains.\n\t\t * @extends {Tone}\n\t\t * @param {String|Tone.Buffer} url\tThe url to load, or the Tone.Buffer to play.\n\t\t * @param {Function=} callback The callback to invoke after the url is loaded.\n\t\t */\n\t    Tone.GrainPlayer = function () {\n\t        var options = this.optionsObject(arguments, [\n\t            'url',\n\t            'onload'\n\t        ], Tone.GrainPlayer.defaults);\n\t        Tone.Source.call(this);\n\t        /**\n\t\t\t *  The audio buffer belonging to the player.\n\t\t\t *  @type  {Tone.Buffer}\n\t\t\t */\n\t        this.buffer = new Tone.Buffer(options.url, options.onload);\n\t        /**\n\t\t\t *  Plays the buffer with a small envelope\n\t\t\t *  @type  {Tone.MultiPlayer}\n\t\t\t *  @private\n\t\t\t */\n\t        this._player = new Tone.MultiPlayer().connect(this.output);\n\t        /**\n\t\t\t *  Create a repeating tick to schedule\n\t\t\t *  the grains.\n\t\t\t *  @type  {Tone.Clock}\n\t\t\t *  @private\n\t\t\t */\n\t        this._clock = new Tone.Clock(this._tick.bind(this), 1);\n\t        /**\n\t\t\t *  @type  {Number}\n\t\t\t *  @private\n\t\t\t */\n\t        this._loopStart = 0;\n\t        /**\n\t\t\t *  @type  {Number}\n\t\t\t *  @private\n\t\t\t */\n\t        this._loopEnd = 0;\n\t        /**\n\t\t\t *  @type  {Number}\n\t\t\t *  @private\n\t\t\t */\n\t        this._playbackRate = options.playbackRate;\n\t        /**\n\t\t\t *  @type  {Number}\n\t\t\t *  @private\n\t\t\t */\n\t        this._grainSize = options.grainSize;\n\t        /**\n\t\t\t *  @private\n\t\t\t *  @type {Number}\n\t\t\t */\n\t        this._overlap = options.overlap;\n\t        /**\n\t\t\t *  Adjust the pitch independently of the playbackRate.\n\t\t\t *  @type  {Cents}\n\t\t\t */\n\t        this.detune = options.detune;\n\t        /**\n\t\t\t *  The amount of time randomly added\n\t\t\t *  or subtracted from the grain's offset\n\t\t\t *  @type  {Time}\n\t\t\t */\n\t        this.drift = options.drift;\n\t        //setup\n\t        this.overlap = options.overlap;\n\t        this.loop = options.loop;\n\t        this.playbackRate = options.playbackRate;\n\t        this.grainSize = options.grainSize;\n\t        this.loopStart = options.loopStart;\n\t        this.loopEnd = options.loopEnd;\n\t        this.reverse = options.reverse;\n\t    };\n\t    Tone.extend(Tone.GrainPlayer, Tone.Source);\n\t    /**\n\t\t *  the default parameters\n\t\t *  @static\n\t\t *  @const\n\t\t *  @type {Object}\n\t\t */\n\t    Tone.GrainPlayer.defaults = {\n\t        'onload': Tone.noOp,\n\t        'overlap': 0.1,\n\t        'grainSize': 0.2,\n\t        'drift': 0,\n\t        'playbackRate': 1,\n\t        'detune': 0,\n\t        'loop': false,\n\t        'loopStart': 0,\n\t        'loopEnd': 0,\n\t        'reverse': false\n\t    };\n\t    /**\n\t\t *  Play the buffer at the given startTime. Optionally add an offset\n\t\t *  and/or duration which will play the buffer from a position\n\t\t *  within the buffer for the given duration. \n\t\t *  \n\t\t *  @param  {Time} [startTime=now] When the player should start.\n\t\t *  @param  {Time} [offset=0] The offset from the beginning of the sample\n\t\t *                                 to start at. \n\t\t *  @param  {Time=} duration How long the sample should play. If no duration\n\t\t *                                is given, it will default to the full length \n\t\t *                                of the sample (minus any offset)\n\t\t *  @returns {Tone.GrainPlayer} this\n\t\t *  @memberOf Tone.GrainPlayer#\n\t\t *  @method start\n\t\t *  @name start\n\t\t */\n\t    /**\n\t\t *  Internal start method\n\t\t *  @param {Time} time\n\t\t *  @param {Time} offset\n\t\t *  @private\n\t\t */\n\t    Tone.GrainPlayer.prototype._start = function (time, offset, duration) {\n\t        offset = this.defaultArg(offset, 0);\n\t        offset = this.toSeconds(offset);\n\t        time = this.toSeconds(time);\n\t        this._offset = offset;\n\t        this._clock.start(time);\n\t        //unmute the player\n\t        this._player.volume.setValueAtTime(0, time);\n\t        if (duration) {\n\t            this._stop(time + this.toSeconds(duration));\n\t        }\n\t    };\n\t    /**\n\t\t *  Internal start method\n\t\t *  @param {Time} time\n\t\t *  @private\n\t\t */\n\t    Tone.GrainPlayer.prototype._stop = function (time) {\n\t        this._clock.stop(time);\n\t        //mute the player\n\t        this._player.volume.cancelScheduledValues(time);\n\t        this._player.volume.setValueAtTime(-Infinity, time);\n\t    };\n\t    /**\n\t\t *  Invoked on each clock tick. scheduled a new\n\t\t *  grain at this time.\n\t\t *  @param  {Time}  time \n\t\t *  @private\n\t\t */\n\t    Tone.GrainPlayer.prototype._tick = function (time) {\n\t        var bufferDuration = this.buffer.duration;\n\t        if (this.loop && this._loopEnd > 0) {\n\t            bufferDuration = this._loopEnd;\n\t        }\n\t        var drift = (Math.random() * 2 - 1) * this.drift;\n\t        var offset = this._offset - this._overlap + drift;\n\t        var detune = this.detune / 100;\n\t        //keep the offset within the limits of the buffer\n\t        offset = Math.max(offset, 0);\n\t        offset = Math.min(offset, bufferDuration);\n\t        var originalFadeIn = this._player.fadeIn;\n\t        if (this.loop && this._offset > bufferDuration) {\n\t            //play the end\n\t            var endSegmentDuration = this._offset - bufferDuration;\n\t            this._player.start(this.buffer, time, offset, endSegmentDuration + this._overlap, detune);\n\t            //and play the beginning \n\t            offset = this._offset % bufferDuration;\n\t            this._offset = this._loopStart;\n\t            this._player.fadeIn = 0;\n\t            this._player.start(this.buffer, time + endSegmentDuration, this._offset, offset + this._overlap, detune);\n\t        } else if (this._offset > bufferDuration) {\n\t            //set the state to stopped. \n\t            this.stop(time);\n\t        } else {\n\t            if (offset === 0) {\n\t                this._player.fadeIn = 0;\n\t            }\n\t            this._player.start(this.buffer, time, offset, this.grainSize + this._overlap, detune);\n\t        }\n\t        this._player.fadeIn = originalFadeIn;\n\t        //increment the offset\n\t        var duration = this._clock._nextTick - time;\n\t        this._offset += duration * this._playbackRate;\n\t    };\n\t    /**\n\t\t *  Jump to a specific time and play it.\n\t\t *  @param  {Time}  offset  The offset to jump to.\n\t\t *  @param {Time=} time When to make the jump.\n\t\t *  @return  {[type]}  [description]\n\t\t */\n\t    Tone.GrainPlayer.prototype.scrub = function (offset, time) {\n\t        this._offset = this.toSeconds(offset);\n\t        this._tick(this.toSeconds(time));\n\t        return this;\n\t    };\n\t    /**\n\t\t * The playback rate of the sample\n\t\t * @memberOf Tone.GrainPlayer#\n\t\t * @type {Positive}\n\t\t * @name playbackRate\n\t\t */\n\t    Object.defineProperty(Tone.GrainPlayer.prototype, 'playbackRate', {\n\t        get: function () {\n\t            return this._playbackRate;\n\t        },\n\t        set: function (rate) {\n\t            this._playbackRate = rate;\n\t            this.grainSize = this._grainSize;\n\t        }\n\t    });\n\t    /**\n\t\t * The loop start time. \n\t\t * @memberOf Tone.GrainPlayer#\n\t\t * @type {Time}\n\t\t * @name loopStart\n\t\t */\n\t    Object.defineProperty(Tone.GrainPlayer.prototype, 'loopStart', {\n\t        get: function () {\n\t            return this._loopStart;\n\t        },\n\t        set: function (time) {\n\t            this._loopStart = this.toSeconds(time);\n\t        }\n\t    });\n\t    /**\n\t\t * The loop end time. \n\t\t * @memberOf Tone.GrainPlayer#\n\t\t * @type {Time}\n\t\t * @name loopEnd\n\t\t */\n\t    Object.defineProperty(Tone.GrainPlayer.prototype, 'loopEnd', {\n\t        get: function () {\n\t            return this._loopEnd;\n\t        },\n\t        set: function (time) {\n\t            this._loopEnd = this.toSeconds(time);\n\t        }\n\t    });\n\t    /**\n\t\t * The direction the buffer should play in\n\t\t * @memberOf Tone.GrainPlayer#\n\t\t * @type {boolean}\n\t\t * @name reverse\n\t\t */\n\t    Object.defineProperty(Tone.GrainPlayer.prototype, 'reverse', {\n\t        get: function () {\n\t            return this.buffer.reverse;\n\t        },\n\t        set: function (rev) {\n\t            this.buffer.reverse = rev;\n\t        }\n\t    });\n\t    /**\n\t\t * The size of each chunk of audio that the \n\t\t * buffer is chopped into and played back at.\n\t\t * @memberOf Tone.GrainPlayer#\n\t\t * @type {Time}\n\t\t * @name grainSize\n\t\t */\n\t    Object.defineProperty(Tone.GrainPlayer.prototype, 'grainSize', {\n\t        get: function () {\n\t            return this._grainSize;\n\t        },\n\t        set: function (size) {\n\t            this._grainSize = this.toSeconds(size);\n\t            this._clock.frequency.value = this._playbackRate / this._grainSize;\n\t        }\n\t    });\n\t    /**\n\t\t * This is the duration of the cross-fade between \n\t\t * sucessive grains.\n\t\t * @memberOf Tone.GrainPlayer#\n\t\t * @type {Time}\n\t\t * @name overlap\n\t\t */\n\t    Object.defineProperty(Tone.GrainPlayer.prototype, 'overlap', {\n\t        get: function () {\n\t            return this._overlap;\n\t        },\n\t        set: function (time) {\n\t            time = this.toSeconds(time);\n\t            this._overlap = time;\n\t            if (this._overlap < 0) {\n\t                this._player.fadeIn = 0.01;\n\t                this._player.fadeOut = 0.01;\n\t            } else {\n\t                this._player.fadeIn = time;\n\t                this._player.fadeOut = time;\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t * Clean up\n\t\t * @return {Tone.GrainPlayer} this\n\t\t */\n\t    Tone.GrainPlayer.prototype.dispose = function () {\n\t        Tone.Source.prototype.dispose.call(this);\n\t        this.buffer.dispose();\n\t        this.buffer = null;\n\t        this._player.dispose();\n\t        this._player = null;\n\t        this._clock.dispose();\n\t        this._clock = null;\n\t        return this;\n\t    };\n\t    return Tone.GrainPlayer;\n\t});\n\tModule(function (Tone) {\n\t    \n\t    /**\n\t\t *  @class  Tone.UserMedia uses MediaDevices.getUserMedia to open up\n\t\t *          and external microphone or audio input. Check \n\t\t *          [MediaDevices API Support](https://developer.mozilla.org/en-US/docs/Web/API/MediaDevices/getUserMedia)\n\t\t *          to see which browsers are supported. Access to an external input\n\t\t *          is limited to secure (HTTPS) connections.\n\t\t *         \n\t\t *  @constructor\n\t\t *  @extends {Tone}\n\t\t *  @param {Decibels=} volume The level of the input\n\t\t *  @example\n\t\t * //list the inputs and open the third one\n\t\t * var motu = new Tone.UserMedia();\n\t\t * \n\t\t * //opening the input asks the user to activate their mic\n\t\t * motu.open().then(function(){\n\t\t * \t//opening is activates the microphone\n\t\t * \t//starting lets audio through\n\t\t * \tmotu.start(10);\n\t\t * });\n\t\t */\n\t    Tone.UserMedia = function () {\n\t        var options = this.optionsObject(arguments, ['volume'], Tone.UserMedia.defaults);\n\t        /**\n\t\t\t *  The MediaStreamNode \n\t\t\t *  @type {MediaStreamAudioSourceNode}\n\t\t\t *  @private\n\t\t\t */\n\t        this._mediaStream = null;\n\t        /**\n\t\t\t *  The media stream created by getUserMedia.\n\t\t\t *  @type {LocalMediaStream}\n\t\t\t *  @private\n\t\t\t */\n\t        this._stream = null;\n\t        /**\n\t\t\t *  The open device\n\t\t\t *  @type  {MediaDeviceInfo}\n\t\t\t *  @private\n\t\t\t */\n\t        this._device = null;\n\t        /**\n\t\t\t *  The output volume node\n\t\t\t *  @type  {Tone.Volume}\n\t\t\t *  @private\n\t\t\t */\n\t        this._volume = this.output = new Tone.Volume(options.volume);\n\t        /**\n\t\t\t * The volume of the output in decibels.\n\t\t\t * @type {Decibels}\n\t\t\t * @signal\n\t\t\t * @example\n\t\t\t * input.volume.value = -6;\n\t\t\t */\n\t        this.volume = this._volume.volume;\n\t        this._readOnly('volume');\n\t        this.mute = options.mute;\n\t    };\n\t    Tone.extend(Tone.UserMedia);\n\t    /**\n\t\t * the default parameters\n\t\t * @type {Object}\n\t\t */\n\t    Tone.UserMedia.defaults = {\n\t        'volume': 0,\n\t        'mute': false\n\t    };\n\t    /**\n\t\t *  Open the media stream. If a string is passed in, it is assumed\n\t\t *  to be the label or id of the stream, if a number is passed in,\n\t\t *  it is the input number of the stream.\n\t\t *  @param  {String|Number} [labelOrId=\"default\"] The label or id of the audio input media device. \n\t\t *                                                With no argument, the default stream is opened.\n\t\t *  @return {Promise} The promise is resolved when the stream is open.\n\t\t */\n\t    Tone.UserMedia.prototype.open = function (labelOrId) {\n\t        labelOrId = this.defaultArg(labelOrId, 'default');\n\t        return this.enumerateDevices().then(function (devices) {\n\t            var device;\n\t            if (this.isNumber(labelOrId)) {\n\t                device = devices[labelOrId];\n\t            } else {\n\t                device = devices.find(function (device) {\n\t                    return device.label === labelOrId || device.deviceId === labelOrId;\n\t                });\n\t                if (!device) {\n\t                    //otherwise just take the first one\n\t                    device = devices[0];\n\t                }\n\t            }\n\t            //didn't find a matching device\n\t            if (!device) {\n\t                throw new Error('Tone.UserMedia: no matching audio inputs.');\n\t            }\n\t            this._device = device;\n\t            //do getUserMedia\n\t            var constraints = {\n\t                audio: {\n\t                    'deviceId': device.deviceId,\n\t                    'echoCancellation': false,\n\t                    'sampleRate': this.context.sampleRate\n\t                }\n\t            };\n\t            return navigator.mediaDevices.getUserMedia(constraints).then(function (stream) {\n\t                //start a new source only if the previous one is closed\n\t                if (!this._stream) {\n\t                    this._stream = stream;\n\t                    //Wrap a MediaStreamSourceNode around the live input stream.\n\t                    this._mediaStream = this.context.createMediaStreamSource(stream);\n\t                    //Connect the MediaStreamSourceNode to a gate gain node\n\t                    this._mediaStream.connect(this.output);\n\t                }\n\t                return this;\n\t            }.bind(this));\n\t        }.bind(this));\n\t    };\n\t    /**\n\t\t *  Close the media stream\n\t\t *  @return {Tone.UserMedia} this\n\t\t */\n\t    Tone.UserMedia.prototype.close = function () {\n\t        if (this._stream) {\n\t            this._stream.getAudioTracks().forEach(function (track) {\n\t                track.stop();\n\t            });\n\t            this._stream = null;\n\t            //remove the old media stream\n\t            this._mediaStream.disconnect();\n\t            this._mediaStream = null;\n\t        }\n\t        this._device = null;\n\t        return this;\n\t    };\n\t    /**\n\t\t *  Returns a promise which resolves with the list of audio input devices available.\n\t\t *  @return {Promise} The promise that is resolved with the devices\n\t\t *  @example\n\t\t * extInput.enumerateDevices().then(function(devices){\n\t\t * \tconsole.log(devices)\n\t\t * })\n\t\t */\n\t    Tone.UserMedia.prototype.enumerateDevices = function () {\n\t        return navigator.mediaDevices.enumerateDevices().then(function (devices) {\n\t            return devices.filter(function (device) {\n\t                return device.kind === 'audioinput';\n\t            });\n\t        });\n\t    };\n\t    /**\n\t\t *  Returns the playback state of the source, \"started\" when the microphone is open\n\t\t *  and \"stopped\" when the mic is closed.\n\t\t *  @type {Tone.State}\n\t\t *  @readOnly\n\t\t *  @memberOf Tone.UserMedia#\n\t\t *  @name state\n\t\t */\n\t    Object.defineProperty(Tone.UserMedia.prototype, 'state', {\n\t        get: function () {\n\t            return this._stream && this._stream.active ? Tone.State.Started : Tone.State.Stopped;\n\t        }\n\t    });\n\t    /**\n\t\t * \tReturns an identifier for the represented device that is \n\t\t * \tpersisted across sessions. It is un-guessable by other applications and \n\t\t * \tunique to the origin of the calling application. It is reset when the \n\t\t * \tuser clears cookies (for Private Browsing, a different identifier is \n\t\t * \tused that is not persisted across sessions). Returns undefined when the \n\t\t * \tdevice is not open.\n\t\t *  @type {String}\n\t\t *  @readOnly\n\t\t *  @memberOf Tone.UserMedia#\n\t\t *  @name deviceId\n\t\t */\n\t    Object.defineProperty(Tone.UserMedia.prototype, 'deviceId', {\n\t        get: function () {\n\t            if (this._device) {\n\t                return this._device.deviceId;\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t * \tReturns a group identifier. Two devices have the \n\t\t * \tsame group identifier if they belong to the same physical device.\n\t\t * \tReturns undefined when the device is not open.\n\t\t *  @type {String}\n\t\t *  @readOnly\n\t\t *  @memberOf Tone.UserMedia#\n\t\t *  @name groupId\n\t\t */\n\t    Object.defineProperty(Tone.UserMedia.prototype, 'groupId', {\n\t        get: function () {\n\t            if (this._device) {\n\t                return this._device.groupId;\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t * \tReturns a label describing this device (for example \"Built-in Microphone\"). \n\t\t * \tReturns undefined when the device is not open or label is not available\n\t\t * \tbecause of permissions.\n\t\t *  @type {String}\n\t\t *  @readOnly\n\t\t *  @memberOf Tone.UserMedia#\n\t\t *  @name groupId\n\t\t */\n\t    Object.defineProperty(Tone.UserMedia.prototype, 'label', {\n\t        get: function () {\n\t            if (this._device) {\n\t                return this._device.label;\n\t            }\n\t        }\n\t    });\n\t    /**\n\t\t * Mute the output. \n\t\t * @memberOf Tone.UserMedia#\n\t\t * @type {boolean}\n\t\t * @name mute\n\t\t * @example\n\t\t * //mute the output\n\t\t * userMedia.mute = true;\n\t\t */\n\t    Object.defineProperty(Tone.UserMedia.prototype, 'mute', {\n\t        get: function () {\n\t            return this._volume.mute;\n\t        },\n\t        set: function (mute) {\n\t            this._volume.mute = mute;\n\t        }\n\t    });\n\t    /**\n\t\t * Clean up.\n\t\t * @return {Tone.UserMedia} this\n\t\t */\n\t    Tone.UserMedia.prototype.dispose = function () {\n\t        Tone.prototype.dispose.call(this);\n\t        this.close();\n\t        this._writable('volume');\n\t        this._volume.dispose();\n\t        this._volume = null;\n\t        this.volume = null;\n\t        return this;\n\t    };\n\t    /**\n\t\t *  If getUserMedia is supported by the browser.\n\t\t *  @type  {Boolean}\n\t\t *  @memberOf Tone.UserMedia#\n\t\t *  @name supported\n\t\t *  @static\n\t\t *  @readOnly\n\t\t */\n\t    Object.defineProperty(Tone.UserMedia, 'supported', {\n\t        get: function () {\n\t            return !Tone.prototype.isUndef(navigator.mediaDevices) && Tone.prototype.isFunction(navigator.mediaDevices.getUserMedia);\n\t        }\n\t    });\n\t    return Tone.UserMedia;\n\t});\n\t\n\treturn Tone;\n}));\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/tone/build/Tone.js\n// module id = 0\n// module chunks = 0","\"use strict\";\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\nexports.requestAudioContext = exports.roundFreq = exports.browser = exports.mod = exports.choice = undefined;\n\nvar _tone = require(\"tone\");\n\nvar _tone2 = _interopRequireDefault(_tone);\n\nvar _startAudioContext = require(\"./startAudioContext\");\n\nvar _startAudioContext2 = _interopRequireDefault(_startAudioContext);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\n/**\n * Utilities\n * @module lib/util.js;\n */\n\nvar isIphone = navigator.userAgent.match(/iPhone/i) || navigator.userAgent.match(/iPod/i);\nvar isIpad = navigator.userAgent.match(/iPad/i);\nvar isAndroid = navigator.userAgent.match(/Android/i);\nvar isMobile = isIphone || isIpad || isAndroid;\nvar isDesktop = !isMobile;\n\ndocument.body.classList.add(isMobile ? \"mobile\" : \"desktop\");\n\nvar browser = { isIphone: isIphone, isIpad: isIpad, isMobile: isMobile, isDesktop: isDesktop };\n\nfunction choice(a) {\n  return a[Math.floor(Math.random() * a.length)];\n}\nfunction mod(n, m) {\n  return n - m * Math.floor(n / m);\n}\nfunction roundFreq(freq) {\n  return Math.round(freq * 100);\n}\n\nfunction requestAudioContext(fn) {\n  if (window.location.protocol !== \"https:\") {\n    var container = document.createElement(\"div\");\n    var button = document.createElement(\"div\");\n    button.innerHTML = \"Tap to start - please unmute your phone\";\n    Object.assign(container.style, {\n      display: \"block\",\n      position: \"absolute\",\n      width: \"100%\",\n      height: \"100%\",\n      zIndex: \"10000\",\n      top: \"0px\",\n      left: \"0px\",\n      backgroundColor: \"rgba(0, 0, 0, 0.8)\"\n    });\n    Object.assign(button.style, {\n      display: \"block\",\n      position: \"absolute\",\n      left: \"50%\",\n      top: \"50%\",\n      padding: \"20px\",\n      backgroundColor: \"#7F33ED\",\n      color: \"white\",\n      fontFamily: \"monospace\",\n      borderRadius: \"3px\",\n      transform: \"translate3D(-50%,-50%,0)\",\n      textAlign: \"center\",\n      lineHeight: \"1.5\",\n      width: \"150px\"\n    });\n    container.appendChild(button);\n    document.body.appendChild(container);\n    _startAudioContext2.default.setContext(_tone2.default.context);\n    _startAudioContext2.default.on(button);\n    _startAudioContext2.default.onStarted(function (_) {\n      container.remove();\n      fn();\n    });\n  } else {\n    fn();\n  }\n}\n\nexports.choice = choice;\nexports.mod = mod;\nexports.browser = browser;\nexports.roundFreq = roundFreq;\nexports.requestAudioContext = requestAudioContext;\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./client/lib/util.js\n// module id = 1\n// module chunks = 0","'use strict';\n\n/**\n* FUNCTION: isArray( value )\n*\tValidates if a value is an array.\n*\n* @param {*} value - value to be validated\n* @returns {Boolean} boolean indicating whether value is an array\n*/\nfunction isArray( value ) {\n\treturn Object.prototype.toString.call( value ) === '[object Array]';\n} // end FUNCTION isArray()\n\n// EXPORTS //\n\nmodule.exports = Array.isArray || isArray;\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/validate.io-array/lib/index.js\n// module id = 2\n// module chunks = 0","\"use strict\";\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\n/**\n * Iquizeles color generator\n * @module lib/color.js;\n */\n\nvar palettes = [[[0.5, 0.5, 0.5], [0.5, 0.5, 0.5], [1.0, 1.0, 1.0], [0.0, 0.33, 0.67]], [[0.5, 0.5, 0.5], [0.5, 0.5, 0.5], [1.0, 1.0, 1.0], [0.0, 0.1, 0.2]], [[0.5, 0.5, 0.5], [0.5, 0.5, 0.5], [1.0, 1.0, 1.0], [0.3, 0.2, 0.2]], [[0.5, 0.5, 0.5], [0.5, 0.5, 0.5], [1.0, 1.0, 0.5], [0.8, 0.9, 0.3]], [[0.5, 0.5, 0.5], [0.5, 0.5, 0.5], [1.0, 0.7, 0.4], [0.0, 0.15, 0.2]], [[0.5, 0.5, 0.5], [0.5, 0.5, 0.5], [2.0, 1.0, 0.0], [0.5, 0.2, 0.25]], [[0.8, 0.5, 0.4], [0.2, 0.4, 0.2], [2.0, 1.0, 1.0], [0.0, 0.25, 0.25]]];\n\nvar palette = palettes[0];\n\nfunction channel(t, a, b, c, d, add, mul) {\n  return a + b * Math.cos(2 * Math.PI * (c * t + d)) * mul + add;\n}\n\nfunction color(t, add, mul) {\n  var a = void 0,\n      b = void 0,\n      c = void 0,\n      d = void 0;\n  var rgb = [];\n  for (var i = 0; i < 3; i++) {\n    a = palette[0][i];\n    b = palette[1][i];\n    c = palette[2][i];\n    d = palette[3][i];\n    rgb[i] = Math.round(channel(t, a, b, c, d, add, mul) * 255);\n  }\n  return \"rgb(\" + rgb + \")\";\n}\n\nexports.default = color;\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./client/lib/color.js\n// module id = 3\n// module chunks = 0","\"use strict\";\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\n\nvar _tone = require(\"tone\");\n\nvar _tone2 = _interopRequireDefault(_tone);\n\nvar _util = require(\"./util\");\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\n/**\n * Kalimba\n * @module lib/kalimba.js;\n */\n\nvar player_count = 4;\n\nvar samples = [{ root: 219.5, fn: \"samples/380737__cabled-mess__sansula-01-a-raw.wav\" }, { root: 260.9, fn: \"samples/380736__cabled-mess__sansula-02-c-raw.wav\" }, { root: 330.2, fn: \"samples/380735__cabled-mess__sansula-03-e-raw.wav\" }];\n\nfunction load(output) {\n  samples.forEach(function (sample) {\n    sample.players = [];\n    sample.index = -1;\n    for (var i = 0; i < player_count; i++) {\n      var fn = sample.fn;\n      if (window.location.href.match(/asdf.us/)) {\n        fn = \"//asdf.us/kalimba/\" + fn.replace(\"wav\", \"mp3\");\n      }\n      var player = new _tone2.default.Player({\n        url: fn,\n        retrigger: true,\n        playbackRate: 1\n      });\n      player.name = fn;\n      var gain = new _tone2.default.Gain(1.6);\n      player.connect(gain);\n      gain.connect(output);\n      sample.players.push(player);\n    }\n  });\n  console.log(\"+ Voices:\", samples.reduce(function (count, sample) {\n    return count + sample.players.length;\n  }, 0));\n}\n\nvar last = 440;\n\nfunction play(freq) {\n  last = freq;\n  var sample = (0, _util.choice)(samples);\n  sample.index = (sample.index + 1) % sample.players.length;\n\n  var player = sample.players[sample.index];\n  player.playbackRate = freq / sample.root;\n  player.start();\n}\n\nfunction pause() {\n  // no-op\n}\n\nexports.default = { load: load, play: play, pause: pause };\n\n// for help tuning\n\nfunction keydown(e) {\n  // console.log(e.keyCode)\n  if (e.metaKey && last) {\n    var step = e.shiftKey ? e.ctrlKey ? 0.01 : 0.1 : 1;\n    switch (e.keyCode) {\n      case 38:\n        // up\n        e.preventDefault();\n        samples[0].root -= step;\n        play(last);\n        break;\n      case 40:\n        // down\n        e.preventDefault();\n        samples[0].root += step;\n        play(last);\n        break;\n    }\n    console.log(samples[0].root);\n  }\n}\n// window.addEventListener(\"keydown\", keydown, true);\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./client/lib/kalimba.js\n// module id = 4\n// module chunks = 0","\"use strict\";\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\n/**\n * Keyboard helper\n * @module lib/keys.js;\n */\n\nvar keys = {};\nvar key_numbers = {};\nvar letters = \"zxcvbnmasdfghjklqwertyuiop\";\nvar numbers = \"1234567890\";\n\nvar callback = function callback() {};\n\nletters.toUpperCase().split(\"\").map(function (k, i) {\n  keys[k.charCodeAt(0)] = i;\n});\n\nnumbers.split(\"\").map(function (k, i) {\n  keys[k.charCodeAt(0)] = i + letters.length;\n  key_numbers[k.charCodeAt(0)] = true;\n});\n\nwindow.addEventListener(\"keydown\", keydown, true);\nfunction keydown(e) {\n  if (e.altKey || e.ctrlKey || e.metaKey) {\n    e.stopPropagation();\n    return;\n  }\n  if (document.activeElement instanceof HTMLInputElement && e.keyCode in key_numbers) {\n    e.stopPropagation();\n    return;\n  }\n  if (!(e.keyCode in keys)) return;\n  var index = keys[e.keyCode];\n  if (e.shiftKey) index += letters.length;\n  callback(index);\n}\n\nfunction listen(fn) {\n  callback = fn;\n}\n\nexports.default = { listen: listen };\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./client/lib/keys.js\n// module id = 5\n// module chunks = 0","\"use strict\";\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\n\nvar _tone = require(\"tone\");\n\nvar _tone2 = _interopRequireDefault(_tone);\n\nvar _util = require(\"./util\");\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\n/**\n * Sine wave organ\n * @module lib/organ.js;\n */\n\nvar oscillators = {};\n\nvar output = void 0;\nvar lastPlayed = void 0;\n\nfunction load(out) {\n  output = out;\n}\n\nfunction isPlaying(freq) {\n  var rounded = (0, _util.roundFreq)(freq);\n  var osc = oscillators[rounded];\n  return osc && osc.playing;\n}\nfunction play(freq) {\n  if (!output) {\n    return;\n  }\n  var rounded = (0, _util.roundFreq)(freq);\n  var osc = oscillators[rounded] = oscillators[rounded] || {};\n  if (!osc.el) {\n    osc.el = new _tone2.default.Oscillator(freq, \"sine\");\n    osc.el.connect(output);\n  }\n  osc.el.start();\n  osc.playing = true;\n  lastPlayed = osc;\n  return osc;\n}\n\nfunction pause(freq) {\n  var rounded = (0, _util.roundFreq)(freq);\n  if (!oscillators[rounded]) return;\n  var osc = oscillators[rounded] = oscillators[rounded] || {};\n  if (osc.el) osc.el.stop();\n  osc.playing = false;\n  return osc;\n}\n\nexports.default = { load: load, isPlaying: isPlaying, play: play, pause: pause, oscillators: oscillators };\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./client/lib/organ.js\n// module id = 6\n// module chunks = 0","\"use strict\";\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\nexports.getOutput = getOutput;\n\nvar _tone = require(\"tone\");\n\nvar _tone2 = _interopRequireDefault(_tone);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nvar output = null; /**\n                    * Common output stage\n                    * @module lib/output.js;\n                    */\n\nfunction getOutput() {\n  if (!output) output = makeOutput();\n  return output;\n}\n\nfunction makeOutput() {\n  var compressor = new _tone2.default.Compressor(-30, 3);\n  var gain = new _tone2.default.Gain(0.3);\n  compressor.connect(gain);\n  gain.toMaster();\n\n  return compressor;\n}\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./client/lib/output.js\n// module id = 7\n// module chunks = 0","\"use strict\";\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\n/**\n * List of prime numbers\n * @module lib/primes.js;\n */\n\nvar PRIMES = exports.PRIMES = [1, 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227, 229, 233, 239, 241, 251, 257, 263, 269, 271, 277, 281, 283, 293, 307, 311, 313, 317, 331, 337, 347, 349, 353, 359, 367, 373, 379, 383, 389, 397, 401, 409, 419, 421, 431, 433, 439, 443, 449, 457, 461, 463, 467, 479, 487, 491, 499, 503, 509, 521, 523, 541, 547, 557, 563, 569, 571, 577, 587, 593, 599, 601, 607, 613, 617, 619, 631, 641, 643, 647, 653, 659, 661, 673, 677, 683, 691, 701, 709, 719, 727, 733, 739, 743, 751, 757, 761, 769, 773, 787, 797, 809, 811, 821, 823, 827, 829, 839, 853, 857, 859, 863, 877, 881, 883, 887, 907, 911, 919, 929, 937, 941, 947, 953, 967, 971, 977, 983, 991, 997];\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./client/lib/primes.js\n// module id = 8\n// module chunks = 0","'use strict';\n\n// MODULES //\n\nvar isArray = require( 'validate.io-array' ),\n\tisIntegerArray = require( 'validate.io-integer-array' ),\n\tisFunction = require( 'validate.io-function' );\n\n\n// VARIABLES //\n\nvar MAXINT = Math.pow( 2, 31 ) - 1;\n\n\n// FUNCTIONS //\n\n/**\n* FUNCTION: gcd( a, b )\n*\tComputes the greatest common divisor of two integers `a` and `b`, using the binary GCD algorithm.\n*\n* @param {Number} a - integer\n* @param {Number} b - integer\n* @returns {Number} greatest common divisor\n*/\nfunction gcd( a, b ) {\n\tvar k = 1,\n\t\tt;\n\t// Simple cases:\n\tif ( a === 0 ) {\n\t\treturn b;\n\t}\n\tif ( b === 0 ) {\n\t\treturn a;\n\t}\n\t// Reduce `a` and/or `b` to odd numbers and keep track of the greatest power of 2 dividing both `a` and `b`...\n\twhile ( a%2 === 0 && b%2 === 0 ) {\n\t\ta = a / 2; // right shift\n\t\tb = b / 2; // right shift\n\t\tk = k * 2; // left shift\n\t}\n\t// Reduce `a` to an odd number...\n\twhile ( a%2 === 0 ) {\n\t\ta = a / 2; // right shift\n\t}\n\t// Henceforth, `a` is always odd...\n\twhile ( b ) {\n\t\t// Remove all factors of 2 in `b`, as they are not common...\n\t\twhile ( b%2 === 0 ) {\n\t\t\tb = b / 2; // right shift\n\t\t}\n\t\t// `a` and `b` are both odd. Swap values such that `b` is the larger of the two values, and then set `b` to the difference (which is even)...\n\t\tif ( a > b ) {\n\t\t\tt = b;\n\t\t\tb = a;\n\t\t\ta = t;\n\t\t}\n\t\tb = b - a; // b=0 iff b=a\n\t}\n\t// Restore common factors of 2...\n\treturn k * a;\n} // end FUNCTION gcd()\n\n/**\n* FUNCTION: bitwise( a, b )\n*\tComputes the greatest common divisor of two integers `a` and `b`, using the binary GCD algorithm and bitwise operations.\n*\n* @param {Number} a - safe integer\n* @param {Number} b - safe integer\n* @returns {Number} greatest common divisor\n*/\nfunction bitwise( a, b ) {\n\tvar k = 0,\n\t\tt;\n\t// Simple cases:\n\tif ( a === 0 ) {\n\t\treturn b;\n\t}\n\tif ( b === 0 ) {\n\t\treturn a;\n\t}\n\t// Reduce `a` and/or `b` to odd numbers and keep track of the greatest power of 2 dividing both `a` and `b`...\n\twhile ( (a & 1) === 0 && (b & 1) === 0 ) {\n\t\ta >>>= 1; // right shift\n\t\tb >>>= 1; // right shift\n\t\tk++;\n\t}\n\t// Reduce `a` to an odd number...\n\twhile ( (a & 1) === 0 ) {\n\t\ta >>>= 1; // right shift\n\t}\n\t// Henceforth, `a` is always odd...\n\twhile ( b ) {\n\t\t// Remove all factors of 2 in `b`, as they are not common...\n\t\twhile ( (b & 1) === 0 ) {\n\t\t\tb >>>= 1; // right shift\n\t\t}\n\t\t// `a` and `b` are both odd. Swap values such that `b` is the larger of the two values, and then set `b` to the difference (which is even)...\n\t\tif ( a > b ) {\n\t\t\tt = b;\n\t\t\tb = a;\n\t\t\ta = t;\n\t\t}\n\t\tb = b - a; // b=0 iff b=a\n\t}\n\t// Restore common factors of 2...\n\treturn a << k;\n} // end FUNCTION bitwise()\n\n\n// GREATEST COMMON DIVISOR //\n\n/**\n* FUNCTION: compute( arr[, clbk] )\n*\tComputes the greatest common divisor.\n*\n* @param {Number[]|Number} arr - input array of integers\n* @param {Function|Number} [clbk] - accessor function for accessing array values\n* @returns {Number|Null} greatest common divisor or null\n*/\nfunction compute() {\n\tvar nargs = arguments.length,\n\t\targs,\n\t\tclbk,\n\t\tarr,\n\t\tlen,\n\t\ta, b,\n\t\ti;\n\n\t// Copy the input arguments to an array...\n\targs = new Array( nargs );\n\tfor ( i = 0; i < nargs; i++ ) {\n\t\targs[ i ] = arguments[ i ];\n\t}\n\t// Have we been provided with integer arguments?\n\tif ( isIntegerArray( args ) ) {\n\t\tif ( nargs === 2 ) {\n\t\t\ta = args[ 0 ];\n\t\t\tb = args[ 1 ];\n\t\t\tif ( a < 0 ) {\n\t\t\t\ta = -a;\n\t\t\t}\n\t\t\tif ( b < 0 ) {\n\t\t\t\tb = -b;\n\t\t\t}\n\t\t\tif ( a <= MAXINT && b <= MAXINT ) {\n\t\t\t\treturn bitwise( a, b );\n\t\t\t} else {\n\t\t\t\treturn gcd( a, b );\n\t\t\t}\n\t\t}\n\t\tarr = args;\n\t}\n\t// If not integers, ensure the first argument is an array...\n\telse if ( !isArray( args[ 0 ] ) ) {\n\t\tthrow new TypeError( 'gcd()::invalid input argument. Must provide an array of integers. Value: `' + args[ 0 ] + '`.' );\n\t}\n\t// Have we been provided with more than one argument? If so, ensure that the accessor argument is a function...\n\telse if ( nargs > 1 ) {\n\t\tarr = args[ 0 ];\n\t\tclbk = args[ 1 ];\n\t\tif ( !isFunction( clbk ) ) {\n\t\t\tthrow new TypeError( 'gcd()::invalid input argument. Accessor must be a function. Value: `' + clbk + '`.' );\n\t\t}\n\t}\n\t// We have been provided an array...\n\telse {\n\t\tarr = args[ 0 ];\n\t}\n\tlen = arr.length;\n\n\t// Check if a sufficient number of values have been provided...\n\tif ( len < 2 ) {\n\t\treturn null;\n\t}\n\t// If an accessor is provided, extract the array values...\n\tif ( clbk ) {\n\t\ta = new Array( len );\n\t\tfor ( i = 0; i < len; i++ ) {\n\t\t\ta[ i ] = clbk( arr[ i ], i );\n\t\t}\n\t\tarr = a;\n\t}\n\t// Given an input array, ensure all array values are integers...\n\tif ( nargs < 3 ) {\n\t\tif ( !isIntegerArray( arr ) ) {\n\t\t\tthrow new TypeError( 'gcd()::invalid input argument. Accessed array values must be integers. Value: `' + arr + '`.' );\n\t\t}\n\t}\n\t// Convert any negative integers to positive integers...\n\tfor ( i = 0; i < len; i++ ) {\n\t\ta = arr[ i ];\n\t\tif ( a < 0 ) {\n\t\t\tarr[ i ] = -a;\n\t\t}\n\t}\n\t// Exploit the fact that the gcd is an associative function...\n\ta = arr[ 0 ];\n\tfor ( i = 1; i < len; i++ ) {\n\t\tb = arr[ i ];\n\t\tif ( b <= MAXINT && a <= MAXINT ) {\n\t\t\ta = bitwise( a, b );\n\t\t} else {\n\t\t\ta = gcd( a, b );\n\t\t}\n\t}\n\treturn a;\n} // end FUNCTION compute()\n\n\n// EXPORTS //\n\nmodule.exports = compute;\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/compute-gcd/lib/index.js\n// module id = 9\n// module chunks = 0","\"use strict\";\n\nvar _computeGcd = require(\"compute-gcd\");\n\nvar _computeGcd2 = _interopRequireDefault(_computeGcd);\n\nvar _keys = require(\"./lib/keys\");\n\nvar _keys2 = _interopRequireDefault(_keys);\n\nvar _color = require(\"./lib/color\");\n\nvar _color2 = _interopRequireDefault(_color);\n\nvar _kalimba = require(\"./lib/kalimba\");\n\nvar _kalimba2 = _interopRequireDefault(_kalimba);\n\nvar _sampler = require(\"./lib/sampler\");\n\nvar _sampler2 = _interopRequireDefault(_sampler);\n\nvar _organ = require(\"./lib/organ\");\n\nvar _organ2 = _interopRequireDefault(_organ);\n\nvar _midi = require(\"./lib/midi\");\n\nvar _midi2 = _interopRequireDefault(_midi);\n\nvar _output = require(\"./lib/output\");\n\nvar _util = require(\"./lib/util\");\n\nvar _primes = require(\"./lib/primes\");\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\n/**\n * Lambdoma Triangle\n * @module index.js;\n */\n\nvar instrument = _kalimba2.default;\n\nvar root = 440;\nvar s = 50;\nvar w = void 0,\n    h = void 0,\n    ws = void 0,\n    hs = void 0;\n\nvar add_on = 0;\nvar mul_on = 1.0;\nvar add_off = 0.1;\nvar mul_off = 0.9;\n\nvar dragging = false;\nvar erasing = false;\nvar lastFreq = 0;\nvar notes = [];\nvar base_x = 0;\nvar base_y = 0;\nvar is_split = false;\nvar frequencies = void 0;\n\n(0, _util.requestAudioContext)(function () {\n  var output = (0, _output.getOutput)();\n  _kalimba2.default.load(output);\n  _organ2.default.load(output);\n  _sampler2.default.load(output, function ready() {\n    instrument = _sampler2.default;\n  });\n  build();\n  bind();\n});\n\nfunction build() {\n  w = window.innerWidth;\n  h = window.innerHeight;\n  ws = Math.ceil(w / s);\n  hs = Math.ceil(h / s);\n  for (var i = 0; i < ws; i++) {\n    notes[i] = [];\n    for (var j = 0; j < hs; j++) {\n      notes[i][j] = add(i, j);\n    }\n  }\n  log();\n}\nfunction rebuild() {\n  notes.forEach(function (row) {\n    return row.forEach(function (note) {\n      return note.destroy();\n    });\n  });\n  build();\n}\nfunction log() {\n  var seen = {};\n  for (var i = 0; i < 8; i++) {\n    for (var j = 0; j < 8; j++) {\n      var rounded = (0, _util.roundFreq)(notes[i][j].frequency);\n      if (!seen[rounded]) {\n        seen[rounded] = notes[i][j].frequency;\n      }\n    }\n  }\n  frequencies = Object.values(seen).sort(function (a, b) {\n    return a - b;\n  });\n  console.log(frequencies);\n  console.log(frequencies.length, \"unique frequencies in 8x8\");\n}\nfunction play(freq) {\n  if (!_organ2.default.isPlaying(freq.frequency)) {\n    var frequency = freq.frequency;\n    // while (frequency < root) {\n    //   frequency *= 2;\n    // }\n    // while (frequency > root) {\n    //   frequency /= 2;\n    // }\n    var rounded = (0, _util.roundFreq)(freq.frequency);\n    _organ2.default.play(frequency);\n    notes.forEach(function (row) {\n      return row.forEach(function (note) {\n        return note.rounded === rounded && note.div.classList.add(\"playing\");\n      });\n    });\n  }\n}\nfunction trigger(freq) {\n  instrument.play(freq.frequency);\n}\nfunction trigger_index(index) {\n  var frequency = frequencies[index];\n  instrument.play(frequency);\n}\nfunction pause(freq) {\n  _organ2.default.pause(freq.frequency);\n  var rounded = (0, _util.roundFreq)(freq.frequency);\n  notes.forEach(function (row) {\n    return row.forEach(function (note) {\n      return note.rounded === rounded && note.div.classList.remove(\"playing\");\n    });\n  });\n}\nfunction toggle(freq) {\n  if (_organ2.default.isPlaying(freq.rounded) || freq.div.classList.contains(\"playing\")) {\n    pause(freq);\n  } else {\n    play(freq);\n  }\n}\n\nfunction add(i, j) {\n  var a = i + 1 + base_x;\n  var b = j + 1 + base_y;\n  // const a = i + 1 + base_x;\n  // const b = i + j + 2 + base_y;\n  // const a = i + j + 1 + base_x;\n  // const b = j + 1 + base_y;\n  // const a = PRIMES[i];\n  // const b = PRIMES[i + j + 1];\n  var div = document.createElement(\"div\");\n  var frequency = root * a / b;\n  // const frequency = root * Math.pow(2, ((b / a) % 1) + 1);\n  var add = 0;\n  var frac = void 0;\n  div.style.left = i * s + \"px\";\n  div.style.top = j * s + \"px\";\n\n  var freq = {\n    frequency: frequency,\n    rounded: (0, _util.roundFreq)(frequency),\n    div: div,\n    i: i,\n    j: j,\n    playing: false,\n    destroy: function destroy() {\n      div.parentNode.removeChild(div);\n    },\n    recolor: function recolor(numerator, denominator) {\n      var aa = a / numerator;\n      var bb = b / denominator;\n      if (aa < bb) {\n        add = -Math.log(bb / aa) / 3.5;\n      } else {\n        add = Math.log(aa / bb) / 6;\n      }\n      var a_inv = a * denominator;\n      var b_inv = b * numerator;\n      var ba_gcd = (0, _computeGcd2.default)(a_inv, b_inv);\n      var a_disp = a_inv / ba_gcd;\n      var b_disp = b_inv / ba_gcd;\n\n      frac = Math.log2(aa / bb) % 1;\n      var frac_orig = Math.log2(a / b) % 1;\n      if (frac < 0) {\n        frac += 1;\n      }\n      if (frac_orig < 0) {\n        frac += 1;\n      }\n      if (frac_orig === 0) {\n        div.style.fontWeight = \"900\";\n      } else {\n        div.style.fontWeight = \"500\";\n      }\n\n      div.innerHTML = \"<div>\" + a_disp + \"</div><div>/</div><div>\" + b_disp + \"</div>\";\n      if (freq.playing) {\n        div.style.backgroundColor = (0, _color2.default)(frac, add + add_on, mul_on);\n      } else {\n        div.style.backgroundColor = (0, _color2.default)(frac, add + add_off, mul_off);\n      }\n\n      if (_organ2.default.isPlaying(frequency)) {\n        div.classList.add(\"playing\");\n      }\n    }\n  };\n\n  freq.recolor(1, 1);\n\n  if (_util.browser.isDesktop) {\n    div.addEventListener(\"mousedown\", function (event) {\n      if (event.button === 2) {\n        // rightclick\n        event.preventDefault();\n        // notes.forEach((row) => row.forEach((note) => note.recolor(a, b)));\n        is_split = [a, b];\n        toggle(freq);\n        return;\n      }\n      div.style.backgroundColor = (0, _color2.default)(frac, add + add_on, mul_on);\n      dragging = true;\n      trigger(freq);\n    });\n    div.addEventListener(\"mouseenter\", function () {\n      div.style.backgroundColor = (0, _color2.default)(frac, add + add_on, mul_on);\n      if (dragging) {\n        trigger(freq);\n      }\n    });\n    div.addEventListener(\"mouseleave\", function () {\n      div.style.backgroundColor = (0, _color2.default)(frac, add + add_off, mul_off);\n    });\n    div.addEventListener(\"contextmenu\", function (event) {\n      if (!event.ctrlKey || !event.metaKey || !event.altKey) {\n        event.preventDefault();\n      }\n    });\n  } else {\n    div.addEventListener(\"touchstart\", function (e) {\n      e.preventDefault();\n      toggle(freq);\n      erasing = !freq.playing;\n      lastFreq = freq;\n    });\n  }\n  document.body.appendChild(div);\n  return freq;\n}\n\nfunction bind() {\n  window.addEventListener(\"resize\", build);\n  if (_util.browser.isDesktop) {\n    document.addEventListener(\"mousedown\", function (event) {\n      if (event.button !== 2) {\n        dragging = true;\n      }\n    });\n    document.addEventListener(\"mouseup\", function () {\n      dragging = false;\n    });\n  } else {\n    document.addEventListener(\"touchstart\", function (e) {\n      e.preventDefault();\n      dragging = true;\n    });\n    document.addEventListener(\"touchmove\", function (e) {\n      e.preventDefault();\n      var x = Math.floor(e.touches[0].pageX / s);\n      var y = Math.floor(e.touches[0].pageY / s);\n      if (!(x in notes) || !(y in notes[x])) return;\n      var freq = notes[x][y];\n      if (freq !== lastFreq) {\n        if (dragging) {\n          if (erasing) {\n            pause(freq);\n          } else {\n            toggle(freq);\n          }\n        }\n        lastFreq = freq;\n      }\n    });\n    document.addEventListener(\"touchend\", function () {\n      dragging = false;\n    });\n  }\n}\n\nfunction keydown(e) {\n  if (e.altKey || e.ctrlKey || e.metaKey) return;\n  var step = 1;\n  if (e.shiftKey) {\n    step += 4;\n  }\n  switch (e.keyCode) {\n    case 37:\n      // left\n      base_x = Math.max(0, base_x - step);\n      rebuild();\n      break;\n    case 38:\n      // up\n      base_y = Math.max(0, base_y - step);\n      rebuild();\n      break;\n    case 39:\n      // right\n      base_x += step;\n      rebuild();\n      break;\n    case 40:\n      // down\n      base_y += step;\n      rebuild();\n      break;\n    case 220:\n      // \\\n      _midi2.default.enable(trigger_index);\n      break;\n  }\n}\nwindow.addEventListener(\"keydown\", keydown, true);\n\n_keys2.default.listen(trigger_index);\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./client/index.js\n// module id = 10\n// module chunks = 0","\"use strict\";\n\nvar _typeof = typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; };\n\n/**\n *  StartAudioContext.js\n *  @author Yotam Mann\n *  @license http://opensource.org/licenses/MIT MIT License\n *  @copyright 2016 Yotam Mann\n */\n(function (root, factory) {\n  if (typeof define === \"function\" && define.amd) {\n    define([], factory);\n  } else if ((typeof module === \"undefined\" ? \"undefined\" : _typeof(module)) === \"object\" && module.exports) {\n    module.exports = factory();\n  } else {\n    root.StartAudioContext = factory();\n  }\n})(undefined, function () {\n  /**\n   * The StartAudioContext object\n   */\n  var StartAudioContext = {\n    /**\n     * The audio context passed in by the user\n     * @type {AudioContext}\n     */\n    context: null,\n    /**\n     * The TapListeners bound to the elements\n     * @type {Array}\n     * @private\n     */\n    _tapListeners: [],\n    /**\n     * Callbacks to invoke when the audio context is started\n     * @type {Array}\n     * @private\n     */\n    _onStarted: []\n  };\n\n  /**\n   * Set the context\n   * @param {AudioContext} ctx\n   * @returns {StartAudioContext}\n   */\n  StartAudioContext.setContext = function (ctx) {\n    StartAudioContext.context = ctx;\n    return StartAudioContext;\n  };\n\n  /**\n   * Add a tap listener to the audio context\n   * @param  {Array|Element|String|jQuery} element\n   * @returns {StartAudioContext}\n   */\n  StartAudioContext.on = function (element) {\n    if (Array.isArray(element) || NodeList && element instanceof NodeList) {\n      for (var i = 0; i < element.length; i++) {\n        StartAudioContext.on(element[i]);\n      }\n    } else if (typeof element === \"string\") {\n      StartAudioContext.on(document.querySelectorAll(element));\n    } else if (element.jquery && typeof element.toArray === \"function\") {\n      StartAudioContext.on(element.toArray());\n    } else if (Element && element instanceof Element) {\n      //if it's an element, create a TapListener\n      var tap = new TapListener(element, onTap);\n      StartAudioContext._tapListeners.push(tap);\n    }\n    return StartAudioContext;\n  };\n\n  /**\n   * Bind a callback to when the audio context is started.\n   * @param {Function} cb\n   * @return {StartAudioContext}\n   */\n  StartAudioContext.onStarted = function (cb) {\n    //if it's already started, invoke the callback\n    if (StartAudioContext.isStarted()) {\n      cb();\n    } else {\n      StartAudioContext._onStarted.push(cb);\n    }\n    return StartAudioContext;\n  };\n\n  /**\n   * returns true if the context is started\n   * @return {Boolean}\n   */\n  StartAudioContext.isStarted = function () {\n    return StartAudioContext.context !== null && StartAudioContext.context.state === \"running\";\n  };\n\n  /**\n   * @class  Listens for non-dragging tap ends on the given element\n   * @param {Element} element\n   * @internal\n   */\n  var TapListener = function TapListener(element) {\n    this._dragged = false;\n\n    this._element = element;\n\n    this._bindedMove = this._moved.bind(this);\n    this._bindedEnd = this._ended.bind(this);\n\n    element.addEventListener(\"touchmove\", this._bindedMove);\n    element.addEventListener(\"touchend\", this._bindedEnd);\n    element.addEventListener(\"mouseup\", this._bindedEnd);\n  };\n\n  /**\n   * drag move event\n   */\n  TapListener.prototype._moved = function (e) {\n    this._dragged = true;\n  };\n\n  /**\n   * tap ended listener\n   */\n  TapListener.prototype._ended = function (e) {\n    if (!this._dragged) {\n      onTap();\n    }\n    this._dragged = false;\n  };\n\n  /**\n   * remove all the bound events\n   */\n  TapListener.prototype.dispose = function () {\n    this._element.removeEventListener(\"touchmove\", this._bindedMove);\n    this._element.removeEventListener(\"touchend\", this._bindedEnd);\n    this._element.removeEventListener(\"mouseup\", this._bindedEnd);\n    this._bindedMove = null;\n    this._bindedEnd = null;\n    this._element = null;\n  };\n\n  /**\n   * Invoked the first time of the elements is tapped.\n   * Creates a silent oscillator when a non-dragging touchend\n   * event has been triggered.\n   */\n  function onTap() {\n    //start the audio context with a silent oscillator\n    if (StartAudioContext.context && !StartAudioContext.isStarted()) {\n      var osc = StartAudioContext.context.createOscillator();\n      var silent = StartAudioContext.context.createGain();\n      silent.gain.value = 0;\n      osc.connect(silent);\n      silent.connect(StartAudioContext.context.destination);\n      var now = StartAudioContext.context.currentTime;\n      osc.start(now);\n      osc.stop(now + 0.5);\n    }\n\n    //dispose all the tap listeners\n    if (StartAudioContext._tapListeners) {\n      for (var i = 0; i < StartAudioContext._tapListeners.length; i++) {\n        StartAudioContext._tapListeners[i].dispose();\n      }\n      StartAudioContext._tapListeners = null;\n    }\n    //the onstarted callbacks\n    if (StartAudioContext._onStarted) {\n      for (var j = 0; j < StartAudioContext._onStarted.length; j++) {\n        StartAudioContext._onStarted[j]();\n      }\n      StartAudioContext._onStarted = null;\n    }\n  }\n\n  return StartAudioContext;\n});\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./client/lib/startAudioContext.js\n// module id = 11\n// module chunks = 0","/**\n*\n*\tVALIDATE: function\n*\n*\n*\tDESCRIPTION:\n*\t\t- Validates if a value is a function.\n*\n*\n*\tNOTES:\n*\t\t[1]\n*\n*\n*\tTODO:\n*\t\t[1]\n*\n*\n*\tLICENSE:\n*\t\tMIT\n*\n*\tCopyright (c) 2014. Athan Reines.\n*\n*\n*\tAUTHOR:\n*\t\tAthan Reines. kgryte@gmail.com. 2014.\n*\n*/\n\n'use strict';\n\n/**\n* FUNCTION: isFunction( value )\n*\tValidates if a value is a function.\n*\n* @param {*} value - value to be validated\n* @returns {Boolean} boolean indicating whether value is a function\n*/\nfunction isFunction( value ) {\n\treturn ( typeof value === 'function' );\n} // end FUNCTION isFunction()\n\n\n// EXPORTS //\n\nmodule.exports = isFunction;\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/validate.io-function/lib/index.js\n// module id = 12\n// module chunks = 0","/**\n*\n*\tVALIDATE: integer-array\n*\n*\n*\tDESCRIPTION:\n*\t\t- Validates if a value is an integer array.\n*\n*\n*\tNOTES:\n*\t\t[1]\n*\n*\n*\tTODO:\n*\t\t[1]\n*\n*\n*\tLICENSE:\n*\t\tMIT\n*\n*\tCopyright (c) 2015. Athan Reines.\n*\n*\n*\tAUTHOR:\n*\t\tAthan Reines. kgryte@gmail.com. 2015.\n*\n*/\n\n'use strict';\n\n// MODULES //\n\nvar isArray = require( 'validate.io-array' ),\n\tisInteger = require( 'validate.io-integer' );\n\n\n// IS INTEGER ARRAY //\n\n/**\n* FUNCTION: isIntegerArray( value )\n*\tValidates if a value is an integer array.\n*\n* @param {*} value - value to be validated\n* @returns {Boolean} boolean indicating if a value is an integer array\n*/\nfunction isIntegerArray( value ) {\n\tvar len;\n\tif ( !isArray( value ) ) {\n\t\treturn false;\n\t}\n\tlen = value.length;\n\tif ( !len ) {\n\t\treturn false;\n\t}\n\tfor ( var i = 0; i < len; i++ ) {\n\t\tif ( !isInteger( value[i] ) ) {\n\t\t\treturn false;\n\t\t}\n\t}\n\treturn true;\n} // end FUNCTION isIntegerArray()\n\n\n// EXPORTS //\n\nmodule.exports = isIntegerArray;\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/validate.io-integer-array/lib/index.js\n// module id = 13\n// module chunks = 0","/**\n*\n*\tVALIDATE: integer\n*\n*\n*\tDESCRIPTION:\n*\t\t- Validates if a value is an integer.\n*\n*\n*\tNOTES:\n*\t\t[1]\n*\n*\n*\tTODO:\n*\t\t[1]\n*\n*\n*\tLICENSE:\n*\t\tMIT\n*\n*\tCopyright (c) 2014. Athan Reines.\n*\n*\n*\tAUTHOR:\n*\t\tAthan Reines. kgryte@gmail.com. 2014.\n*\n*/\n\n'use strict';\n\n// MODULES //\n\nvar isNumber = require( 'validate.io-number' );\n\n\n// ISINTEGER //\n\n/**\n* FUNCTION: isInteger( value )\n*\tValidates if a value is an integer.\n*\n* @param {Number} value - value to be validated\n* @returns {Boolean} boolean indicating whether value is an integer\n*/\nfunction isInteger( value ) {\n\treturn isNumber( value ) && value%1 === 0;\n} // end FUNCTION isInteger()\n\n\n// EXPORTS //\n\nmodule.exports = isInteger;\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/validate.io-integer/lib/index.js\n// module id = 14\n// module chunks = 0","/**\n*\n*\tVALIDATE: number\n*\n*\n*\tDESCRIPTION:\n*\t\t- Validates if a value is a number.\n*\n*\n*\tNOTES:\n*\t\t[1]\n*\n*\n*\tTODO:\n*\t\t[1]\n*\n*\n*\tLICENSE:\n*\t\tMIT\n*\n*\tCopyright (c) 2014. Athan Reines.\n*\n*\n*\tAUTHOR:\n*\t\tAthan Reines. kgryte@gmail.com. 2014.\n*\n*/\n\n'use strict';\n\n/**\n* FUNCTION: isNumber( value )\n*\tValidates if a value is a number.\n*\n* @param {*} value - value to be validated\n* @returns {Boolean} boolean indicating whether value is a number\n*/\nfunction isNumber( value ) {\n\treturn ( typeof value === 'number' || Object.prototype.toString.call( value ) === '[object Number]' ) && value.valueOf() === value.valueOf();\n} // end FUNCTION isNumber()\n\n\n// EXPORTS //\n\nmodule.exports = isNumber;\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/validate.io-number/lib/index.js\n// module id = 15\n// module chunks = 0","\"use strict\";\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\nexports.load = load;\nexports.dragOver = dragOver;\nexports.drop = drop;\nexports.loadSampleFromFile = loadSampleFromFile;\n\nvar _tone = require(\"tone\");\n\nvar _tone2 = _interopRequireDefault(_tone);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nfunction _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } else { return Array.from(arr); } } /**\n                                                                                                                                                                                                     * Sampler\n                                                                                                                                                                                                     * @module lib/sampler.js;\n                                                                                                                                                                                                     */\n\nvar output = void 0;\nvar ready = void 0;\nvar current = \"\";\nvar samples = {};\n\nvar player_count = 12;\n\nfunction load(out, readyCallback) {\n  output = out;\n  ready = readyCallback;\n  document.body.addEventListener(\"dragover\", dragOver);\n  document.body.addEventListener(\"drop\", drop);\n}\n\n/**\n * Drag and drop\n */\nfunction dragOver(event) {\n  event.preventDefault();\n}\nfunction drop(event) {\n  event.preventDefault();\n  var files = event.dataTransfer.items ? [].concat(_toConsumableArray(event.dataTransfer.items)).filter(function (item) {\n    return item.kind === \"file\";\n  }).map(function (item) {\n    return item.getAsFile();\n  }) : [].concat(_toConsumableArray(event.dataTransfer.files));\n\n  var file = files[0];\n  var reader = new FileReader();\n\n  reader.addEventListener(\"load\", function () {\n    return loadSampleFromFile(file, reader.result);\n  }, false);\n\n  if (file) {\n    reader.readAsDataURL(file);\n  }\n}\n\nfunction loadSampleFromFile(file, url) {\n  var name = file.name;\n\n  current = name;\n\n  var sample = samples[name] = samples[name] || {};\n  sample.root = 440;\n  sample.players = [];\n  sample.index = -1;\n  for (var i = 0; i < player_count; i++) {\n    var player = new _tone2.default.Player({\n      url: url,\n      retrigger: true,\n      playbackRate: 1\n    });\n    player.name = name;\n    player.connect(output);\n    sample.players.push(player);\n  }\n  console.log(\"+ Sampler:\", name, \"(\" + sample.players.length + \" voices)\");\n  ready();\n}\n\n/**\n * Player\n */\nvar last = 440;\n\nfunction play(freq) {\n  last = freq;\n  var sample = samples[current];\n  sample.index = (sample.index + 1) % sample.players.length;\n  var player = sample.players[sample.index];\n  player.playbackRate = freq / sample.root;\n  player.start();\n}\n\nfunction pause() {\n  // no-op\n}\n\nexports.default = { load: load, play: play, pause: pause };\n\n// for help tuning\n\nfunction keydown(e) {\n  // console.log(e.keyCode)\n  if (e.metaKey && last && current) {\n    var sample = samples[current];\n    var step = e.shiftKey ? e.ctrlKey ? 0.1 : 1 : 10;\n    switch (e.keyCode) {\n      case 38:\n        // up\n        e.preventDefault();\n        sample.root -= step;\n        play(last);\n        break;\n      case 40:\n        // down\n        e.preventDefault();\n        sample.root += step;\n        play(last);\n        break;\n    }\n  }\n}\nwindow.addEventListener(\"keydown\", keydown, true);\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./client/lib/sampler.js\n// module id = 16\n// module chunks = 0","\"use strict\";\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\n\nvar _webmidi = require(\"webmidi\");\n\nfunction enable(play) {\n  _webmidi.WebMidi.enable().then(onEnabled).catch(function (error) {\n    return console.error(error);\n  });\n\n  // Function triggered when WEBMIDI.js is ready\n  function onEnabled() {\n    // Display available MIDI input devices\n    if (_webmidi.WebMidi.inputs.length < 1) {\n      console.log(\"No device detected.\");\n      return;\n    } else {\n      _webmidi.WebMidi.inputs.forEach(function (device, index) {\n        document.body.innerHTML += index + \": \" + device.name + \" <br>\";\n      });\n      var mySynth = _webmidi.WebMidi.inputs[0];\n      // const mySynth = WebMidi.getInputByName(\"TYPE NAME HERE!\")\n\n      mySynth.channels[1].addListener(\"noteon\", function (event) {\n        console.log(event.note);\n      });\n    }\n  }\n} /**\n   * MIDI\n   * @module midi.js;\n   */\n\nexports.default = { enable: enable };\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./client/lib/midi.js\n// module id = 17\n// module chunks = 0","// shim for using process in browser\nvar process = module.exports = {};\n\n// cached from whatever global is present so that test runners that stub it\n// don't break things.  But we need to wrap it in a try catch in case it is\n// wrapped in strict mode code which doesn't define any globals.  It's inside a\n// function because try/catches deoptimize in certain engines.\n\nvar cachedSetTimeout;\nvar cachedClearTimeout;\n\nfunction defaultSetTimout() {\n    throw new Error('setTimeout has not been defined');\n}\nfunction defaultClearTimeout () {\n    throw new Error('clearTimeout has not been defined');\n}\n(function () {\n    try {\n        if (typeof setTimeout === 'function') {\n            cachedSetTimeout = setTimeout;\n        } else {\n            cachedSetTimeout = defaultSetTimout;\n        }\n    } catch (e) {\n        cachedSetTimeout = defaultSetTimout;\n    }\n    try {\n        if (typeof clearTimeout === 'function') {\n            cachedClearTimeout = clearTimeout;\n        } else {\n            cachedClearTimeout = defaultClearTimeout;\n        }\n    } catch (e) {\n        cachedClearTimeout = defaultClearTimeout;\n    }\n} ())\nfunction runTimeout(fun) {\n    if (cachedSetTimeout === setTimeout) {\n        //normal enviroments in sane situations\n        return setTimeout(fun, 0);\n    }\n    // if setTimeout wasn't available but was latter defined\n    if ((cachedSetTimeout === defaultSetTimout || !cachedSetTimeout) && setTimeout) {\n        cachedSetTimeout = setTimeout;\n        return setTimeout(fun, 0);\n    }\n    try {\n        // when when somebody has screwed with setTimeout but no I.E. maddness\n        return cachedSetTimeout(fun, 0);\n    } catch(e){\n        try {\n            // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally\n            return cachedSetTimeout.call(null, fun, 0);\n        } catch(e){\n            // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error\n            return cachedSetTimeout.call(this, fun, 0);\n        }\n    }\n\n\n}\nfunction runClearTimeout(marker) {\n    if (cachedClearTimeout === clearTimeout) {\n        //normal enviroments in sane situations\n        return clearTimeout(marker);\n    }\n    // if clearTimeout wasn't available but was latter defined\n    if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) {\n        cachedClearTimeout = clearTimeout;\n        return clearTimeout(marker);\n    }\n    try {\n        // when when somebody has screwed with setTimeout but no I.E. maddness\n        return cachedClearTimeout(marker);\n    } catch (e){\n        try {\n            // When we are in I.E. but the script has been evaled so I.E. doesn't  trust the global object when called normally\n            return cachedClearTimeout.call(null, marker);\n        } catch (e){\n            // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error.\n            // Some versions of I.E. have different rules for clearTimeout vs setTimeout\n            return cachedClearTimeout.call(this, marker);\n        }\n    }\n\n\n\n}\nvar queue = [];\nvar draining = false;\nvar currentQueue;\nvar queueIndex = -1;\n\nfunction cleanUpNextTick() {\n    if (!draining || !currentQueue) {\n        return;\n    }\n    draining = false;\n    if (currentQueue.length) {\n        queue = currentQueue.concat(queue);\n    } else {\n        queueIndex = -1;\n    }\n    if (queue.length) {\n        drainQueue();\n    }\n}\n\nfunction drainQueue() {\n    if (draining) {\n        return;\n    }\n    var timeout = runTimeout(cleanUpNextTick);\n    draining = true;\n\n    var len = queue.length;\n    while(len) {\n        currentQueue = queue;\n        queue = [];\n        while (++queueIndex < len) {\n            if (currentQueue) {\n                currentQueue[queueIndex].run();\n            }\n        }\n        queueIndex = -1;\n        len = queue.length;\n    }\n    currentQueue = null;\n    draining = false;\n    runClearTimeout(timeout);\n}\n\nprocess.nextTick = function (fun) {\n    var args = new Array(arguments.length - 1);\n    if (arguments.length > 1) {\n        for (var i = 1; i < arguments.length; i++) {\n            args[i - 1] = arguments[i];\n        }\n    }\n    queue.push(new Item(fun, args));\n    if (queue.length === 1 && !draining) {\n        runTimeout(drainQueue);\n    }\n};\n\n// v8 likes predictible objects\nfunction Item(fun, array) {\n    this.fun = fun;\n    this.array = array;\n}\nItem.prototype.run = function () {\n    this.fun.apply(null, this.array);\n};\nprocess.title = 'browser';\nprocess.browser = true;\nprocess.env = {};\nprocess.argv = [];\nprocess.version = ''; // empty string to avoid regexp issues\nprocess.versions = {};\n\nfunction noop() {}\n\nprocess.on = noop;\nprocess.addListener = noop;\nprocess.once = noop;\nprocess.off = noop;\nprocess.removeListener = noop;\nprocess.removeAllListeners = noop;\nprocess.emit = noop;\nprocess.prependListener = noop;\nprocess.prependOnceListener = noop;\n\nprocess.listeners = function (name) { return [] }\n\nprocess.binding = function (name) {\n    throw new Error('process.binding is not supported');\n};\n\nprocess.cwd = function () { return '/' };\nprocess.chdir = function (dir) {\n    throw new Error('process.chdir is not supported');\n};\nprocess.umask = function() { return 0; };\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/process/browser.js\n// module id = 18\n// module chunks = 0","/**\n * WEBMIDI.js v3.1.12\n * A JavaScript library to kickstart your MIDI projects\n * https://webmidijs.org\n * Build generated on November 22nd, 2024.\n *\n * © Copyright 2015-2024, Jean-Philippe Côté.\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\"); you may not use this file except\n * in compliance with the License. You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software distributed under the License\n * is distributed on an \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express\n * or implied. See the License for the specific language governing permissions and limitations under\n * the License.\n */\n\n\"use strict\";Object.defineProperty(exports,\"__esModule\",{value:!0});class EventEmitter{constructor(e=!1){this.eventMap={},this.eventsSuspended=1==e}addListener(e,t,n={}){if(\"string\"==typeof e&&e.length<1||e instanceof String&&e.length<1||\"string\"!=typeof e&&!(e instanceof String)&&e!==EventEmitter.ANY_EVENT)throw new TypeError(\"The 'event' parameter must be a string or EventEmitter.ANY_EVENT.\");if(\"function\"!=typeof t)throw new TypeError(\"The callback must be a function.\");const r=new Listener(e,this,t,n);return this.eventMap[e]||(this.eventMap[e]=[]),n.prepend?this.eventMap[e].unshift(r):this.eventMap[e].push(r),r}addOneTimeListener(e,t,n={}){n.remaining=1,this.addListener(e,t,n)}static get ANY_EVENT(){return Symbol.for(\"Any event\")}hasListener(e,t){if(void 0===e)return!!(this.eventMap[EventEmitter.ANY_EVENT]&&this.eventMap[EventEmitter.ANY_EVENT].length>0)||Object.entries(this.eventMap).some(([,e])=>e.length>0);if(this.eventMap[e]&&this.eventMap[e].length>0){if(t instanceof Listener){return this.eventMap[e].filter(e=>e===t).length>0}if(\"function\"==typeof t){return this.eventMap[e].filter(e=>e.callback===t).length>0}return null==t}return!1}get eventNames(){return Object.keys(this.eventMap)}getListeners(e){return this.eventMap[e]||[]}suspendEvent(e){this.getListeners(e).forEach(e=>{e.suspended=!0})}unsuspendEvent(e){this.getListeners(e).forEach(e=>{e.suspended=!1})}getListenerCount(e){return this.getListeners(e).length}emit(e,...t){if(\"string\"!=typeof e&&!(e instanceof String))throw new TypeError(\"The 'event' parameter must be a string.\");if(this.eventsSuspended)return;let n=[],r=this.eventMap[EventEmitter.ANY_EVENT]||[];return this.eventMap[e]&&(r=r.concat(this.eventMap[e])),r.forEach(e=>{if(e.suspended)return;let r=[...t];Array.isArray(e.arguments)&&(r=r.concat(e.arguments)),e.remaining>0&&(n.push(e.callback.apply(e.context,r)),e.count++),--e.remaining<1&&e.remove()}),n}removeListener(e,t,n={}){if(void 0===e)return void(this.eventMap={});if(!this.eventMap[e])return;let r=this.eventMap[e].filter(e=>t&&e.callback!==t||n.remaining&&n.remaining!==e.remaining||n.context&&n.context!==e.context);r.length?this.eventMap[e]=r:delete this.eventMap[e]}async waitFor(e,t={}){return t.duration=parseInt(t.duration),(isNaN(t.duration)||t.duration<=0)&&(t.duration=1/0),new Promise((n,r)=>{let i,s=this.addListener(e,()=>{clearTimeout(i),n()},{remaining:1});t.duration!==1/0&&(i=setTimeout(()=>{s.remove(),r(\"The duration expired before the event was emitted.\")},t.duration))})}get eventCount(){return Object.keys(this.eventMap).length}}class Listener{constructor(e,t,n,r={}){if(\"string\"!=typeof e&&!(e instanceof String)&&e!==EventEmitter.ANY_EVENT)throw new TypeError(\"The 'event' parameter must be a string or EventEmitter.ANY_EVENT.\");if(!t)throw new ReferenceError(\"The 'target' parameter is mandatory.\");if(\"function\"!=typeof n)throw new TypeError(\"The 'callback' must be a function.\");void 0===r.arguments||Array.isArray(r.arguments)||(r.arguments=[r.arguments]),(r=Object.assign({context:t,remaining:1/0,arguments:void 0,duration:1/0},r)).duration!==1/0&&setTimeout(()=>this.remove(),r.duration),this.arguments=r.arguments,this.callback=n,this.context=r.context,this.count=0,this.event=e,this.remaining=parseInt(r.remaining)>=1?parseInt(r.remaining):1/0,this.suspended=!1,this.target=t}remove(){this.target.removeListener(this.event,this.callback,{context:this.context,remaining:this.remaining})}}\n/**\n * The `Enumerations` class contains enumerations and arrays of elements used throughout the\n * library. All its properties are static and should be referenced using the class name. For\n * example: `Enumerations.CHANNEL_MESSAGES`.\n *\n * @license Apache-2.0\n * @since 3.0.0\n */class Enumerations{static get MIDI_CHANNEL_MESSAGES(){return this.validation&&console.warn(\"The MIDI_CHANNEL_MESSAGES enum has been deprecated. Use the Enumerations.CHANNEL_MESSAGES enum instead.\"),Enumerations.CHANNEL_MESSAGES}static get CHANNEL_MESSAGES(){return{noteoff:8,noteon:9,keyaftertouch:10,controlchange:11,programchange:12,channelaftertouch:13,pitchbend:14}}static get CHANNEL_NUMBERS(){return[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16]}static get MIDI_CHANNEL_NUMBERS(){return this.validation&&console.warn(\"The MIDI_CHANNEL_NUMBERS array has been deprecated. Use the Enumerations.CHANNEL_NUMBERS array instead.\"),[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16]}static get CHANNEL_MODE_MESSAGES(){return{allsoundoff:120,resetallcontrollers:121,localcontrol:122,allnotesoff:123,omnimodeoff:124,omnimodeon:125,monomodeon:126,polymodeon:127}}static get MIDI_CHANNEL_MODE_MESSAGES(){return this.validation&&console.warn(\"The MIDI_CHANNEL_MODE_MESSAGES enum has been deprecated. Use the Enumerations.CHANNEL_MODE_MESSAGES enum instead.\"),Enumerations.CHANNEL_MODE_MESSAGES}static get MIDI_CONTROL_CHANGE_MESSAGES(){return this.validation&&console.warn(\"The MIDI_CONTROL_CHANGE_MESSAGES enum has been deprecated. Use the Enumerations.CONTROL_CHANGE_MESSAGES array instead.\"),{bankselectcoarse:0,modulationwheelcoarse:1,breathcontrollercoarse:2,controller3:3,footcontrollercoarse:4,portamentotimecoarse:5,dataentrycoarse:6,volumecoarse:7,balancecoarse:8,controller9:9,pancoarse:10,expressioncoarse:11,effectcontrol1coarse:12,effectcontrol2coarse:13,controller14:14,controller15:15,generalpurposeslider1:16,generalpurposeslider2:17,generalpurposeslider3:18,generalpurposeslider4:19,controller20:20,controller21:21,controller22:22,controller23:23,controller24:24,controller25:25,controller26:26,controller27:27,controller28:28,controller29:29,controller30:30,controller31:31,bankselectfine:32,modulationwheelfine:33,breathcontrollerfine:34,controller35:35,footcontrollerfine:36,portamentotimefine:37,dataentryfine:38,volumefine:39,balancefine:40,controller41:41,panfine:42,expressionfine:43,effectcontrol1fine:44,effectcontrol2fine:45,controller46:46,controller47:47,controller48:48,controller49:49,controller50:50,controller51:51,controller52:52,controller53:53,controller54:54,controller55:55,controller56:56,controller57:57,controller58:58,controller59:59,controller60:60,controller61:61,controller62:62,controller63:63,holdpedal:64,portamento:65,sustenutopedal:66,softpedal:67,legatopedal:68,hold2pedal:69,soundvariation:70,resonance:71,soundreleasetime:72,soundattacktime:73,brightness:74,soundcontrol6:75,soundcontrol7:76,soundcontrol8:77,soundcontrol9:78,soundcontrol10:79,generalpurposebutton1:80,generalpurposebutton2:81,generalpurposebutton3:82,generalpurposebutton4:83,controller84:84,controller85:85,controller86:86,controller87:87,controller88:88,controller89:89,controller90:90,reverblevel:91,tremololevel:92,choruslevel:93,celestelevel:94,phaserlevel:95,databuttonincrement:96,databuttondecrement:97,nonregisteredparametercoarse:98,nonregisteredparameterfine:99,registeredparametercoarse:100,registeredparameterfine:101,controller102:102,controller103:103,controller104:104,controller105:105,controller106:106,controller107:107,controller108:108,controller109:109,controller110:110,controller111:111,controller112:112,controller113:113,controller114:114,controller115:115,controller116:116,controller117:117,controller118:118,controller119:119,allsoundoff:120,resetallcontrollers:121,localcontrol:122,allnotesoff:123,omnimodeoff:124,omnimodeon:125,monomodeon:126,polymodeon:127}}static get CONTROL_CHANGE_MESSAGES(){return[{number:0,name:\"bankselectcoarse\",description:\"Bank Select (Coarse)\",position:\"msb\"},{number:1,name:\"modulationwheelcoarse\",description:\"Modulation Wheel (Coarse)\",position:\"msb\"},{number:2,name:\"breathcontrollercoarse\",description:\"Breath Controller (Coarse)\",position:\"msb\"},{number:3,name:\"controller3\",description:\"Undefined\",position:\"msb\"},{number:4,name:\"footcontrollercoarse\",description:\"Foot Controller (Coarse)\",position:\"msb\"},{number:5,name:\"portamentotimecoarse\",description:\"Portamento Time (Coarse)\",position:\"msb\"},{number:6,name:\"dataentrycoarse\",description:\"Data Entry (Coarse)\",position:\"msb\"},{number:7,name:\"volumecoarse\",description:\"Channel Volume (Coarse)\",position:\"msb\"},{number:8,name:\"balancecoarse\",description:\"Balance (Coarse)\",position:\"msb\"},{number:9,name:\"controller9\",description:\"Controller 9 (Coarse)\",position:\"msb\"},{number:10,name:\"pancoarse\",description:\"Pan (Coarse)\",position:\"msb\"},{number:11,name:\"expressioncoarse\",description:\"Expression Controller (Coarse)\",position:\"msb\"},{number:12,name:\"effectcontrol1coarse\",description:\"Effect Control 1 (Coarse)\",position:\"msb\"},{number:13,name:\"effectcontrol2coarse\",description:\"Effect Control 2 (Coarse)\",position:\"msb\"},{number:14,name:\"controller14\",description:\"Undefined\",position:\"msb\"},{number:15,name:\"controller15\",description:\"Undefined\",position:\"msb\"},{number:16,name:\"generalpurposecontroller1\",description:\"General Purpose Controller 1 (Coarse)\",position:\"msb\"},{number:17,name:\"generalpurposecontroller2\",description:\"General Purpose Controller 2 (Coarse)\",position:\"msb\"},{number:18,name:\"generalpurposecontroller3\",description:\"General Purpose Controller 3 (Coarse)\",position:\"msb\"},{number:19,name:\"generalpurposecontroller4\",description:\"General Purpose Controller 4 (Coarse)\",position:\"msb\"},{number:20,name:\"controller20\",description:\"Undefined\",position:\"msb\"},{number:21,name:\"controller21\",description:\"Undefined\",position:\"msb\"},{number:22,name:\"controller22\",description:\"Undefined\",position:\"msb\"},{number:23,name:\"controller23\",description:\"Undefined\",position:\"msb\"},{number:24,name:\"controller24\",description:\"Undefined\",position:\"msb\"},{number:25,name:\"controller25\",description:\"Undefined\",position:\"msb\"},{number:26,name:\"controller26\",description:\"Undefined\",position:\"msb\"},{number:27,name:\"controller27\",description:\"Undefined\",position:\"msb\"},{number:28,name:\"controller28\",description:\"Undefined\",position:\"msb\"},{number:29,name:\"controller29\",description:\"Undefined\",position:\"msb\"},{number:30,name:\"controller30\",description:\"Undefined\",position:\"msb\"},{number:31,name:\"controller31\",description:\"Undefined\",position:\"msb\"},{number:32,name:\"bankselectfine\",description:\"Bank Select (Fine)\",position:\"lsb\"},{number:33,name:\"modulationwheelfine\",description:\"Modulation Wheel (Fine)\",position:\"lsb\"},{number:34,name:\"breathcontrollerfine\",description:\"Breath Controller (Fine)\",position:\"lsb\"},{number:35,name:\"controller35\",description:\"Undefined\",position:\"lsb\"},{number:36,name:\"footcontrollerfine\",description:\"Foot Controller (Fine)\",position:\"lsb\"},{number:37,name:\"portamentotimefine\",description:\"Portamento Time (Fine)\",position:\"lsb\"},{number:38,name:\"dataentryfine\",description:\"Data Entry (Fine)\",position:\"lsb\"},{number:39,name:\"channelvolumefine\",description:\"Channel Volume (Fine)\",position:\"lsb\"},{number:40,name:\"balancefine\",description:\"Balance (Fine)\",position:\"lsb\"},{number:41,name:\"controller41\",description:\"Undefined\",position:\"lsb\"},{number:42,name:\"panfine\",description:\"Pan (Fine)\",position:\"lsb\"},{number:43,name:\"expressionfine\",description:\"Expression Controller (Fine)\",position:\"lsb\"},{number:44,name:\"effectcontrol1fine\",description:\"Effect control 1 (Fine)\",position:\"lsb\"},{number:45,name:\"effectcontrol2fine\",description:\"Effect control 2 (Fine)\",position:\"lsb\"},{number:46,name:\"controller46\",description:\"Undefined\",position:\"lsb\"},{number:47,name:\"controller47\",description:\"Undefined\",position:\"lsb\"},{number:48,name:\"controller48\",description:\"General Purpose Controller 1 (Fine)\",position:\"lsb\"},{number:49,name:\"controller49\",description:\"General Purpose Controller 2 (Fine)\",position:\"lsb\"},{number:50,name:\"controller50\",description:\"General Purpose Controller 3 (Fine)\",position:\"lsb\"},{number:51,name:\"controller51\",description:\"General Purpose Controller 4 (Fine)\",position:\"lsb\"},{number:52,name:\"controller52\",description:\"Undefined\",position:\"lsb\"},{number:53,name:\"controller53\",description:\"Undefined\",position:\"lsb\"},{number:54,name:\"controller54\",description:\"Undefined\",position:\"lsb\"},{number:55,name:\"controller55\",description:\"Undefined\",position:\"lsb\"},{number:56,name:\"controller56\",description:\"Undefined\",position:\"lsb\"},{number:57,name:\"controller57\",description:\"Undefined\",position:\"lsb\"},{number:58,name:\"controller58\",description:\"Undefined\",position:\"lsb\"},{number:59,name:\"controller59\",description:\"Undefined\",position:\"lsb\"},{number:60,name:\"controller60\",description:\"Undefined\",position:\"lsb\"},{number:61,name:\"controller61\",description:\"Undefined\",position:\"lsb\"},{number:62,name:\"controller62\",description:\"Undefined\",position:\"lsb\"},{number:63,name:\"controller63\",description:\"Undefined\",position:\"lsb\"},{number:64,name:\"damperpedal\",description:\"Damper Pedal On/Off\"},{number:65,name:\"portamento\",description:\"Portamento On/Off\"},{number:66,name:\"sostenuto\",description:\"Sostenuto On/Off\"},{number:67,name:\"softpedal\",description:\"Soft Pedal On/Off\"},{number:68,name:\"legatopedal\",description:\"Legato Pedal On/Off\"},{number:69,name:\"hold2\",description:\"Hold 2 On/Off\"},{number:70,name:\"soundvariation\",description:\"Sound Variation\",position:\"lsb\"},{number:71,name:\"resonance\",description:\"Resonance\",position:\"lsb\"},{number:72,name:\"releasetime\",description:\"Release Time\",position:\"lsb\"},{number:73,name:\"attacktime\",description:\"Attack Time\",position:\"lsb\"},{number:74,name:\"brightness\",description:\"Brightness\",position:\"lsb\"},{number:75,name:\"decaytime\",description:\"Decay Time\",position:\"lsb\"},{number:76,name:\"vibratorate\",description:\"Vibrato Rate\",position:\"lsb\"},{number:77,name:\"vibratodepth\",description:\"Vibrato Depth\",position:\"lsb\"},{number:78,name:\"vibratodelay\",description:\"Vibrato Delay\",position:\"lsb\"},{number:79,name:\"controller79\",description:\"Undefined\",position:\"lsb\"},{number:80,name:\"generalpurposecontroller5\",description:\"General Purpose Controller 5\",position:\"lsb\"},{number:81,name:\"generalpurposecontroller6\",description:\"General Purpose Controller 6\",position:\"lsb\"},{number:82,name:\"generalpurposecontroller7\",description:\"General Purpose Controller 7\",position:\"lsb\"},{number:83,name:\"generalpurposecontroller8\",description:\"General Purpose Controller 8\",position:\"lsb\"},{number:84,name:\"portamentocontrol\",description:\"Portamento Control\",position:\"lsb\"},{number:85,name:\"controller85\",description:\"Undefined\"},{number:86,name:\"controller86\",description:\"Undefined\"},{number:87,name:\"controller87\",description:\"Undefined\"},{number:88,name:\"highresolutionvelocityprefix\",description:\"High Resolution Velocity Prefix\",position:\"lsb\"},{number:89,name:\"controller89\",description:\"Undefined\"},{number:90,name:\"controller90\",description:\"Undefined\"},{number:91,name:\"effect1depth\",description:\"Effects 1 Depth (Reverb Send Level)\"},{number:92,name:\"effect2depth\",description:\"Effects 2 Depth\"},{number:93,name:\"effect3depth\",description:\"Effects 3 Depth (Chorus Send Level)\"},{number:94,name:\"effect4depth\",description:\"Effects 4 Depth\"},{number:95,name:\"effect5depth\",description:\"Effects 5 Depth\"},{number:96,name:\"dataincrement\",description:\"Data Increment\"},{number:97,name:\"datadecrement\",description:\"Data Decrement\"},{number:98,name:\"nonregisteredparameterfine\",description:\"Non-Registered Parameter Number (Fine)\",position:\"lsb\"},{number:99,name:\"nonregisteredparametercoarse\",description:\"Non-Registered Parameter Number (Coarse)\",position:\"msb\"},{number:100,name:\"registeredparameterfine\",description:\"Registered Parameter Number (Fine)\",position:\"lsb\"},{number:101,name:\"registeredparametercoarse\",description:\"Registered Parameter Number (Coarse)\",position:\"msb\"},{number:102,name:\"controller102\",description:\"Undefined\"},{number:103,name:\"controller103\",description:\"Undefined\"},{number:104,name:\"controller104\",description:\"Undefined\"},{number:105,name:\"controller105\",description:\"Undefined\"},{number:106,name:\"controller106\",description:\"Undefined\"},{number:107,name:\"controller107\",description:\"Undefined\"},{number:108,name:\"controller108\",description:\"Undefined\"},{number:109,name:\"controller109\",description:\"Undefined\"},{number:110,name:\"controller110\",description:\"Undefined\"},{number:111,name:\"controller111\",description:\"Undefined\"},{number:112,name:\"controller112\",description:\"Undefined\"},{number:113,name:\"controller113\",description:\"Undefined\"},{number:114,name:\"controller114\",description:\"Undefined\"},{number:115,name:\"controller115\",description:\"Undefined\"},{number:116,name:\"controller116\",description:\"Undefined\"},{number:117,name:\"controller117\",description:\"Undefined\"},{number:118,name:\"controller118\",description:\"Undefined\"},{number:119,name:\"controller119\",description:\"Undefined\"},{number:120,name:\"allsoundoff\",description:\"All Sound Off\"},{number:121,name:\"resetallcontrollers\",description:\"Reset All Controllers\"},{number:122,name:\"localcontrol\",description:\"Local Control On/Off\"},{number:123,name:\"allnotesoff\",description:\"All Notes Off\"},{number:124,name:\"omnimodeoff\",description:\"Omni Mode Off\"},{number:125,name:\"omnimodeon\",description:\"Omni Mode On\"},{number:126,name:\"monomodeon\",description:\"Mono Mode On\"},{number:127,name:\"polymodeon\",description:\"Poly Mode On\"}]}static get REGISTERED_PARAMETERS(){return{pitchbendrange:[0,0],channelfinetuning:[0,1],channelcoarsetuning:[0,2],tuningprogram:[0,3],tuningbank:[0,4],modulationrange:[0,5],azimuthangle:[61,0],elevationangle:[61,1],gain:[61,2],distanceratio:[61,3],maximumdistance:[61,4],maximumdistancegain:[61,5],referencedistanceratio:[61,6],panspreadangle:[61,7],rollangle:[61,8]}}static get MIDI_REGISTERED_PARAMETERS(){return this.validation&&console.warn(\"The MIDI_REGISTERED_PARAMETERS enum has been deprecated. Use the Enumerations.REGISTERED_PARAMETERS enum instead.\"),Enumerations.MIDI_REGISTERED_PARAMETERS}static get SYSTEM_MESSAGES(){return{sysex:240,timecode:241,songposition:242,songselect:243,tunerequest:246,tuningrequest:246,sysexend:247,clock:248,start:250,continue:251,stop:252,activesensing:254,reset:255,midimessage:0,unknownsystemmessage:-1}}static get MIDI_SYSTEM_MESSAGES(){return this.validation&&console.warn(\"The MIDI_SYSTEM_MESSAGES enum has been deprecated. Use the Enumerations.SYSTEM_MESSAGES enum instead.\"),Enumerations.SYSTEM_MESSAGES}static get CHANNEL_EVENTS(){return[\"noteoff\",\"controlchange\",\"noteon\",\"keyaftertouch\",\"programchange\",\"channelaftertouch\",\"pitchbend\",\"allnotesoff\",\"allsoundoff\",\"localcontrol\",\"monomode\",\"omnimode\",\"resetallcontrollers\",\"nrpn\",\"nrpn-dataentrycoarse\",\"nrpn-dataentryfine\",\"nrpn-dataincrement\",\"nrpn-datadecrement\",\"rpn\",\"rpn-dataentrycoarse\",\"rpn-dataentryfine\",\"rpn-dataincrement\",\"rpn-datadecrement\",\"nrpn-databuttonincrement\",\"nrpn-databuttondecrement\",\"rpn-databuttonincrement\",\"rpn-databuttondecrement\"]}}\n/**\n * The `Note` class represents a single musical note such as `\"D3\"`, `\"G#4\"`, `\"F-1\"`, `\"Gb7\"`, etc.\n *\n * `Note` objects can be played back on a single channel by calling\n * [`OutputChannel.playNote()`]{@link OutputChannel#playNote} or, on multiple channels of the same\n * output, by calling [`Output.playNote()`]{@link Output#playNote}.\n *\n * The note has [`attack`](#attack) and [`release`](#release) velocities set at `0.5` by default.\n * These can be changed by passing in the appropriate option. It is also possible to set a\n * system-wide default for attack and release velocities by using the\n * [`WebMidi.defaults`](WebMidi#defaults) property.\n *\n * If you prefer to work with raw MIDI values (`0` to `127`), you can use [`rawAttack`](#rawAttack) and\n * [`rawRelease`](#rawRelease) to both get and set the values.\n *\n * The note may have a [`duration`](#duration). If it does, playback will be automatically stopped\n * when the duration has elapsed by sending a `\"noteoff\"` event. By default, the duration is set to\n * `Infinity`. In this case, it will never stop playing unless explicitly stopped by calling a\n * method such as [`OutputChannel.stopNote()`]{@link OutputChannel#stopNote},\n * [`Output.stopNote()`]{@link Output#stopNote} or similar.\n *\n * @license Apache-2.0\n * @since 3.0.0\n */class Note{constructor(e,t={}){this.duration=wm.defaults.note.duration,this.attack=wm.defaults.note.attack,this.release=wm.defaults.note.release,null!=t.duration&&(this.duration=t.duration),null!=t.attack&&(this.attack=t.attack),null!=t.rawAttack&&(this.attack=Utilities.from7bitToFloat(t.rawAttack)),null!=t.release&&(this.release=t.release),null!=t.rawRelease&&(this.release=Utilities.from7bitToFloat(t.rawRelease)),Number.isInteger(e)?this.identifier=Utilities.toNoteIdentifier(e):this.identifier=e}get identifier(){return this._name+(this._accidental||\"\")+this._octave}set identifier(e){const t=Utilities.getNoteDetails(e);if(wm.validation&&!e)throw new Error(\"Invalid note identifier\");this._name=t.name,this._accidental=t.accidental,this._octave=t.octave}get name(){return this._name}set name(e){if(wm.validation&&(e=e.toUpperCase(),![\"C\",\"D\",\"E\",\"F\",\"G\",\"A\",\"B\"].includes(e)))throw new Error(\"Invalid name value\");this._name=e}get accidental(){return this._accidental}set accidental(e){if(wm.validation&&(e=e.toLowerCase(),![\"#\",\"##\",\"b\",\"bb\"].includes(e)))throw new Error(\"Invalid accidental value\");this._accidental=e}get octave(){return this._octave}set octave(e){if(wm.validation&&(e=parseInt(e),isNaN(e)))throw new Error(\"Invalid octave value\");this._octave=e}get duration(){return this._duration}set duration(e){if(wm.validation&&(e=parseFloat(e),isNaN(e)||null===e||e<0))throw new RangeError(\"Invalid duration value.\");this._duration=e}get attack(){return this._attack}set attack(e){if(wm.validation&&(e=parseFloat(e),isNaN(e)||!(e>=0&&e<=1)))throw new RangeError(\"Invalid attack value.\");this._attack=e}get release(){return this._release}set release(e){if(wm.validation&&(e=parseFloat(e),isNaN(e)||!(e>=0&&e<=1)))throw new RangeError(\"Invalid release value.\");this._release=e}get rawAttack(){return Utilities.fromFloatTo7Bit(this._attack)}set rawAttack(e){this._attack=Utilities.from7bitToFloat(e)}get rawRelease(){return Utilities.fromFloatTo7Bit(this._release)}set rawRelease(e){this._release=Utilities.from7bitToFloat(e)}get number(){return Utilities.toNoteNumber(this.identifier)}getOffsetNumber(e=0,t=0){return wm.validation&&(e=parseInt(e)||0,t=parseInt(t)||0),Math.min(Math.max(this.number+12*e+t,0),127)}}\n/**\n * The `Utilities` class contains general-purpose utility methods. All methods are static and\n * should be called using the class name. For example: `Utilities.getNoteDetails(\"C4\")`.\n *\n * @license Apache-2.0\n * @since 3.0.0\n */class Utilities{\n/**\n   * Returns a MIDI note number matching the identifier passed in the form of a string. The\n   * identifier must include the octave number. The identifier also optionally include a sharp (#),\n   * a double sharp (##), a flat (b) or a double flat (bb) symbol. For example, these are all valid\n   * identifiers: C5, G4, D#-1, F0, Gb7, Eb-1, Abb4, B##6, etc.\n   *\n   * When converting note identifiers to numbers, C4 is considered to be middle C (MIDI note number\n   * 60) as per the scientific pitch notation standard.\n   *\n   * The resulting note number can be offset by using the `octaveOffset` parameter.\n   *\n   * @param identifier {string} The identifier in the form of a letter, followed by an optional \"#\",\n   * \"##\", \"b\" or \"bb\" followed by the octave number. For exemple: C5, G4, D#-1, F0, Gb7, Eb-1,\n   * Abb4, B##6, etc.\n   *\n   * @param {number} [octaveOffset=0] A integer to offset the octave by.\n   *\n   * @returns {number} The MIDI note number (an integer between 0 and 127).\n   *\n   * @throws RangeError Invalid 'octaveOffset' value\n   *\n   * @throws TypeError Invalid note identifier\n   *\n   * @license Apache-2.0\n   * @since 3.0.0\n   * @static\n   */\nstatic toNoteNumber(e,t=0){if(t=null==t?0:parseInt(t),isNaN(t))throw new RangeError(\"Invalid 'octaveOffset' value\");\"string\"!=typeof e&&(e=\"\");const n=this.getNoteDetails(e);if(!n)throw new TypeError(\"Invalid note identifier\");let r=12*(n.octave+1+t);if(r+={C:0,D:2,E:4,F:5,G:7,A:9,B:11}[n.name],n.accidental&&(n.accidental.startsWith(\"b\")?r-=n.accidental.length:r+=n.accidental.length),r<0||r>127)throw new RangeError(\"Invalid octaveOffset value\");return r}static getNoteDetails(e){Number.isInteger(e)&&(e=this.toNoteIdentifier(e));const t=e.match(/^([CDEFGAB])(#{0,2}|b{0,2})(-?\\d+)$/i);if(!t)throw new TypeError(\"Invalid note identifier\");const n=t[1].toUpperCase(),r=parseInt(t[3]);let i=t[2].toLowerCase();i=\"\"===i?void 0:i;return{accidental:i,identifier:n+(i||\"\")+r,name:n,octave:r}}static sanitizeChannels(e){let t;if(wm.validation)if(\"all\"===e)t=[\"all\"];else if(\"none\"===e)return[];return t=Array.isArray(e)?e:[e],t.indexOf(\"all\")>-1&&(t=Enumerations.MIDI_CHANNEL_NUMBERS),t.map((function(e){return parseInt(e)})).filter((function(e){return e>=1&&e<=16}))}static toTimestamp(e){let t=!1;const n=parseFloat(e);return!isNaN(n)&&(\"string\"==typeof e&&\"+\"===e.substring(0,1)?n>=0&&(t=wm.time+n):n>=0&&(t=n),t)}static guessNoteNumber(e,t){t=parseInt(t)||0;let n=!1;if(Number.isInteger(e)&&e>=0&&e<=127)n=parseInt(e);else if(parseInt(e)>=0&&parseInt(e)<=127)n=parseInt(e);else if(\"string\"==typeof e||e instanceof String)try{n=this.toNoteNumber(e.trim(),t)}catch(e){return!1}return n}static toNoteIdentifier(e,t){if(e=parseInt(e),isNaN(e)||e<0||e>127)throw new RangeError(\"Invalid note number\");if(t=null==t?0:parseInt(t),isNaN(t))throw new RangeError(\"Invalid octaveOffset value\");const n=Math.floor(e/12-1)+t;return[\"C\",\"C#\",\"D\",\"D#\",\"E\",\"F\",\"F#\",\"G\",\"G#\",\"A\",\"A#\",\"B\"][e%12]+n.toString()}static buildNote(e,t={}){if(t.octaveOffset=parseInt(t.octaveOffset)||0,e instanceof Note)return e;let n=this.guessNoteNumber(e,t.octaveOffset);if(!1===n)throw new TypeError(`The input could not be parsed as a note (${e})`);return t.octaveOffset=void 0,new Note(n,t)}static buildNoteArray(e,t={}){let n=[];return Array.isArray(e)||(e=[e]),e.forEach(e=>{n.push(this.buildNote(e,t))}),n}static from7bitToFloat(e){return e===1/0&&(e=127),e=parseInt(e)||0,Math.min(Math.max(e/127,0),1)}static fromFloatTo7Bit(e){return e===1/0&&(e=1),e=parseFloat(e)||0,Math.min(Math.max(Math.round(127*e),0),127)}static fromMsbLsbToFloat(e,t=0){wm.validation&&(e=Math.min(Math.max(parseInt(e)||0,0),127),t=Math.min(Math.max(parseInt(t)||0,0),127));const n=((e<<7)+t)/16383;return Math.min(Math.max(n,0),1)}static fromFloatToMsbLsb(e){wm.validation&&(e=Math.min(Math.max(parseFloat(e)||0,0),1));const t=Math.round(16383*e);return{msb:t>>7,lsb:127&t}}static offsetNumber(e,t=0,n=0){if(wm.validation){if(e=parseInt(e),isNaN(e))throw new Error(\"Invalid note number\");t=parseInt(t)||0,n=parseInt(n)||0}return Math.min(Math.max(e+12*t+n,0),127)}static getPropertyByValue(e,t){return Object.keys(e).find(n=>e[n]===t)}static getCcNameByNumber(e){if(!wm.validation||(e=parseInt(e))>=0&&e<=127)return Enumerations.CONTROL_CHANGE_MESSAGES[e].name}static getCcNumberByName(e){let t=Enumerations.CONTROL_CHANGE_MESSAGES.find(t=>t.name===e);return t?t.number:Enumerations.MIDI_CONTROL_CHANGE_MESSAGES[e]}static getChannelModeByNumber(e){if(!(e>=120&&e<=127))return!1;for(let t in Enumerations.CHANNEL_MODE_MESSAGES)if(Enumerations.CHANNEL_MODE_MESSAGES.hasOwnProperty(t)&&e===Enumerations.CHANNEL_MODE_MESSAGES[t])return t;return!1}static get isNode(){return\"undefined\"!=typeof process&&null!=process.versions&&null!=process.versions.node}static get isBrowser(){return\"undefined\"!=typeof window&&void 0!==window.document}}\n/**\n * The `OutputChannel` class represents a single output MIDI channel. `OutputChannel` objects are\n * provided by an [`Output`](Output) port which, itself, is made available by a device. The\n * `OutputChannel` object is derived from the host's MIDI subsystem and should not be instantiated\n * directly.\n *\n * All 16 `OutputChannel` objects can be found inside the parent output's\n * [`channels`]{@link Output#channels} property.\n *\n * @param {Output} output The [`Output`](Output) this channel belongs to.\n * @param {number} number The MIDI channel number (`1` - `16`).\n *\n * @extends EventEmitter\n * @license Apache-2.0\n * @since 3.0.0\n */class OutputChannel extends EventEmitter{constructor(e,t){super(),this._output=e,this._number=t,this._octaveOffset=0}destroy(){this._output=null,this._number=null,this._octaveOffset=0,this.removeListener()}send(e,t={time:0}){return this.output.send(e,t),this}sendKeyAftertouch(e,t,n={}){if(wm.validation){if(n.useRawValue&&(n.rawValue=n.useRawValue),isNaN(parseFloat(t)))throw new RangeError(\"Invalid key aftertouch value.\");if(n.rawValue){if(!(t>=0&&t<=127&&Number.isInteger(t)))throw new RangeError(\"Key aftertouch raw value must be an integer between 0 and 127.\")}else if(!(t>=0&&t<=1))throw new RangeError(\"Key aftertouch value must be a float between 0 and 1.\")}n.rawValue||(t=Utilities.fromFloatTo7Bit(t));const r=wm.octaveOffset+this.output.octaveOffset+this.octaveOffset;return Array.isArray(e)||(e=[e]),Utilities.buildNoteArray(e).forEach(e=>{this.send([(Enumerations.CHANNEL_MESSAGES.keyaftertouch<<4)+(this.number-1),e.getOffsetNumber(r),t],{time:Utilities.toTimestamp(n.time)})}),this}\n/**\n   * Sends a MIDI **control change** message to the channel at the scheduled time. The control\n   * change message to send can be specified numerically (`0` to `127`) or by using one of the\n   * following common names:\n   *\n   * | Number | Name                          |\n   * |--------|-------------------------------|\n   * | 0      |`bankselectcoarse`             |\n   * | 1      |`modulationwheelcoarse`        |\n   * | 2      |`breathcontrollercoarse`       |\n   * | 4      |`footcontrollercoarse`         |\n   * | 5      |`portamentotimecoarse`         |\n   * | 6      |`dataentrycoarse`              |\n   * | 7      |`volumecoarse`                 |\n   * | 8      |`balancecoarse`                |\n   * | 10     |`pancoarse`                    |\n   * | 11     |`expressioncoarse`             |\n   * | 12     |`effectcontrol1coarse`         |\n   * | 13     |`effectcontrol2coarse`         |\n   * | 18     |`generalpurposeslider3`        |\n   * | 19     |`generalpurposeslider4`        |\n   * | 32     |`bankselectfine`               |\n   * | 33     |`modulationwheelfine`          |\n   * | 34     |`breathcontrollerfine`         |\n   * | 36     |`footcontrollerfine`           |\n   * | 37     |`portamentotimefine`           |\n   * | 38     |`dataentryfine`                |\n   * | 39     |`volumefine`                   |\n   * | 40     |`balancefine`                  |\n   * | 42     |`panfine`                      |\n   * | 43     |`expressionfine`               |\n   * | 44     |`effectcontrol1fine`           |\n   * | 45     |`effectcontrol2fine`           |\n   * | 64     |`holdpedal`                    |\n   * | 65     |`portamento`                   |\n   * | 66     |`sustenutopedal`               |\n   * | 67     |`softpedal`                    |\n   * | 68     |`legatopedal`                  |\n   * | 69     |`hold2pedal`                   |\n   * | 70     |`soundvariation`               |\n   * | 71     |`resonance`                    |\n   * | 72     |`soundreleasetime`             |\n   * | 73     |`soundattacktime`              |\n   * | 74     |`brightness`                   |\n   * | 75     |`soundcontrol6`                |\n   * | 76     |`soundcontrol7`                |\n   * | 77     |`soundcontrol8`                |\n   * | 78     |`soundcontrol9`                |\n   * | 79     |`soundcontrol10`               |\n   * | 80     |`generalpurposebutton1`        |\n   * | 81     |`generalpurposebutton2`        |\n   * | 82     |`generalpurposebutton3`        |\n   * | 83     |`generalpurposebutton4`        |\n   * | 91     |`reverblevel`                  |\n   * | 92     |`tremololevel`                 |\n   * | 93     |`choruslevel`                  |\n   * | 94     |`celestelevel`                 |\n   * | 95     |`phaserlevel`                  |\n   * | 96     |`dataincrement`                |\n   * | 97     |`datadecrement`                |\n   * | 98     |`nonregisteredparametercoarse` |\n   * | 99     |`nonregisteredparameterfine`   |\n   * | 100    |`registeredparametercoarse`    |\n   * | 101    |`registeredparameterfine`      |\n   * | 120    |`allsoundoff`                  |\n   * | 121    |`resetallcontrollers`          |\n   * | 122    |`localcontrol`                 |\n   * | 123    |`allnotesoff`                  |\n   * | 124    |`omnimodeoff`                  |\n   * | 125    |`omnimodeon`                   |\n   * | 126    |`monomodeon`                   |\n   * | 127    |`polymodeon`                   |\n   *\n   * As you can see above, not all control change message have a matching name. This does not mean\n   * you cannot use the others. It simply means you will need to use their number\n   * (`0` to `127`) instead of their name. While you can still use them, numbers `120` to `127` are\n   * usually reserved for *channel mode* messages. See\n   * [`sendChannelMode()`]{@link OutputChannel#sendChannelMode} method for more info.\n   *\n   * To view a detailed list of all available **control change** messages, please consult \"Table 3 -\n   * Control Change Messages\" from the [MIDI Messages](\n   * https://www.midi.org/specifications/item/table-3-control-change-messages-data-bytes-2)\n   * specification.\n   *\n   * **Note**: messages #0-31 (MSB) are paired with messages #32-63 (LSB). For example, message #1\n   * (`modulationwheelcoarse`) can be accompanied by a second control change message for\n   * `modulationwheelfine` to achieve a greater level of precision. if you want to specify both MSB\n   * and LSB for messages between `0` and `31`, you can do so by passing a 2-value array as the\n   * second parameter.\n   *\n   * @param {number|string} controller The MIDI controller name or number (`0` - `127`).\n   *\n   * @param {number|number[]} value The value to send (0-127). You can also use a two-position array\n   * for controllers 0 to 31. In this scenario, the first value will be sent as usual and the second\n   * value will be sent to the matching LSB controller (which is obtained by adding 32 to the first\n   * controller)\n   *\n   * @param {object} [options={}]\n   *\n   * @param {number|string} [options.time=(now)] If `time` is a string prefixed with `\"+\"` and\n   * followed by a number, the message will be delayed by that many milliseconds. If the value is a\n   * positive number\n   * ([`DOMHighResTimeStamp`]{@link https://developer.mozilla.org/docs/Web/API/DOMHighResTimeStamp}),\n   * the operation will be scheduled for that time. The current time can be retrieved with\n   * [`WebMidi.time`]{@link WebMidi#time}. If `options.time` is omitted, or in the past, the\n   * operation will be carried out as soon as possible.\n   *\n   * @throws {RangeError} Controller numbers must be between 0 and 127.\n   * @throws {RangeError} Invalid controller name.\n   * @throws {TypeError} The value array must have a length of 2.\n   *\n   * @returns {OutputChannel} Returns the `OutputChannel` object so methods can be chained.\n   *\n   * @license Apache-2.0\n   * @since 3.0.0\n   */sendControlChange(e,t,n={}){if(\"string\"==typeof e&&(e=Utilities.getCcNumberByName(e)),Array.isArray(t)||(t=[t]),wm.validation){if(void 0===e)throw new TypeError(\"Control change must be identified with a valid name or an integer between 0 and 127.\");if(!Number.isInteger(e)||!(e>=0&&e<=127))throw new TypeError(\"Control change number must be an integer between 0 and 127.\");if(2===(t=t.map(e=>{const t=Math.min(Math.max(parseInt(e),0),127);if(isNaN(t))throw new TypeError(\"Values must be integers between 0 and 127\");return t})).length&&e>=32)throw new TypeError(\"To use a value array, the controller must be between 0 and 31\")}return t.forEach((r,i)=>{this.send([(Enumerations.CHANNEL_MESSAGES.controlchange<<4)+(this.number-1),e+32*i,t[i]],{time:Utilities.toTimestamp(n.time)})}),this}_selectNonRegisteredParameter(e,t={}){return this.sendControlChange(99,e[0],t),this.sendControlChange(98,e[1],t),this}_deselectRegisteredParameter(e={}){return this.sendControlChange(101,127,e),this.sendControlChange(100,127,e),this}_deselectNonRegisteredParameter(e={}){return this.sendControlChange(101,127,e),this.sendControlChange(100,127,e),this}_selectRegisteredParameter(e,t={}){return this.sendControlChange(101,e[0],t),this.sendControlChange(100,e[1],t),this}_setCurrentParameter(e,t={}){return e=[].concat(e),this.sendControlChange(6,e[0],t),e.length<2||this.sendControlChange(38,e[1],t),this}sendRpnDecrement(e,t={}){if(Array.isArray(e)||(e=Enumerations.REGISTERED_PARAMETERS[e]),wm.validation){if(void 0===e)throw new TypeError(\"The specified registered parameter is invalid.\");let t=!1;if(Object.getOwnPropertyNames(Enumerations.REGISTERED_PARAMETERS).forEach(n=>{Enumerations.REGISTERED_PARAMETERS[n][0]===e[0]&&Enumerations.REGISTERED_PARAMETERS[n][1]===e[1]&&(t=!0)}),!t)throw new TypeError(\"The specified registered parameter is invalid.\")}return this._selectRegisteredParameter(e,t),this.sendControlChange(97,0,t),this._deselectRegisteredParameter(t),this}sendRpnIncrement(e,t={}){if(Array.isArray(e)||(e=Enumerations.REGISTERED_PARAMETERS[e]),wm.validation){if(void 0===e)throw new TypeError(\"The specified registered parameter is invalid.\");let t=!1;if(Object.getOwnPropertyNames(Enumerations.REGISTERED_PARAMETERS).forEach(n=>{Enumerations.REGISTERED_PARAMETERS[n][0]===e[0]&&Enumerations.REGISTERED_PARAMETERS[n][1]===e[1]&&(t=!0)}),!t)throw new TypeError(\"The specified registered parameter is invalid.\")}return this._selectRegisteredParameter(e,t),this.sendControlChange(96,0,t),this._deselectRegisteredParameter(t),this}playNote(e,t={}){this.sendNoteOn(e,t);const n=Array.isArray(e)?e:[e];for(let e of n)if(parseInt(e.duration)>0){const n={time:(Utilities.toTimestamp(t.time)||wm.time)+parseInt(e.duration),release:e.release,rawRelease:e.rawRelease};this.sendNoteOff(e,n)}else if(parseInt(t.duration)>0){const n={time:(Utilities.toTimestamp(t.time)||wm.time)+parseInt(t.duration),release:t.release,rawRelease:t.rawRelease};this.sendNoteOff(e,n)}return this}sendNoteOff(e,t={}){if(wm.validation){if(null!=t.rawRelease&&!(t.rawRelease>=0&&t.rawRelease<=127))throw new RangeError(\"The 'rawRelease' option must be an integer between 0 and 127\");if(null!=t.release&&!(t.release>=0&&t.release<=1))throw new RangeError(\"The 'release' option must be an number between 0 and 1\");t.rawVelocity&&(t.rawRelease=t.velocity,console.warn(\"The 'rawVelocity' option is deprecated. Use 'rawRelease' instead.\")),t.velocity&&(t.release=t.velocity,console.warn(\"The 'velocity' option is deprecated. Use 'attack' instead.\"))}let n=64;null!=t.rawRelease?n=t.rawRelease:isNaN(t.release)||(n=Math.round(127*t.release));const r=wm.octaveOffset+this.output.octaveOffset+this.octaveOffset;return Utilities.buildNoteArray(e,{rawRelease:parseInt(n)}).forEach(e=>{this.send([(Enumerations.CHANNEL_MESSAGES.noteoff<<4)+(this.number-1),e.getOffsetNumber(r),e.rawRelease],{time:Utilities.toTimestamp(t.time)})}),this}stopNote(e,t={}){return this.sendNoteOff(e,t)}sendNoteOn(e,t={}){if(wm.validation){if(null!=t.rawAttack&&!(t.rawAttack>=0&&t.rawAttack<=127))throw new RangeError(\"The 'rawAttack' option must be an integer between 0 and 127\");if(null!=t.attack&&!(t.attack>=0&&t.attack<=1))throw new RangeError(\"The 'attack' option must be an number between 0 and 1\");t.rawVelocity&&(t.rawAttack=t.velocity,t.rawRelease=t.release,console.warn(\"The 'rawVelocity' option is deprecated. Use 'rawAttack' or 'rawRelease'.\")),t.velocity&&(t.attack=t.velocity,console.warn(\"The 'velocity' option is deprecated. Use 'attack' instead.\"))}let n=64;null!=t.rawAttack?n=t.rawAttack:isNaN(t.attack)||(n=Math.round(127*t.attack));const r=wm.octaveOffset+this.output.octaveOffset+this.octaveOffset;return Utilities.buildNoteArray(e,{rawAttack:n}).forEach(e=>{this.send([(Enumerations.CHANNEL_MESSAGES.noteon<<4)+(this.number-1),e.getOffsetNumber(r),e.rawAttack],{time:Utilities.toTimestamp(t.time)})}),this}sendChannelMode(e,t=0,n={}){if(\"string\"==typeof e&&(e=Enumerations.CHANNEL_MODE_MESSAGES[e]),wm.validation){if(void 0===e)throw new TypeError(\"Invalid channel mode message name or number.\");if(isNaN(e)||!(e>=120&&e<=127))throw new TypeError(\"Invalid channel mode message number.\");if(isNaN(parseInt(t))||t<0||t>127)throw new RangeError(\"Value must be an integer between 0 and 127.\")}return this.send([(Enumerations.CHANNEL_MESSAGES.controlchange<<4)+(this.number-1),e,t],{time:Utilities.toTimestamp(n.time)}),this}sendOmniMode(e,t={}){return void 0===e||e?this.sendChannelMode(\"omnimodeon\",0,t):this.sendChannelMode(\"omnimodeoff\",0,t),this}sendChannelAftertouch(e,t={}){if(wm.validation){if(isNaN(parseFloat(e)))throw new RangeError(\"Invalid channel aftertouch value.\");if(t.rawValue){if(!(e>=0&&e<=127&&Number.isInteger(e)))throw new RangeError(\"Channel aftertouch raw value must be an integer between 0 and 127.\")}else if(!(e>=0&&e<=1))throw new RangeError(\"Channel aftertouch value must be a float between 0 and 1.\")}return t.rawValue||(e=Utilities.fromFloatTo7Bit(e)),this.send([(Enumerations.CHANNEL_MESSAGES.channelaftertouch<<4)+(this.number-1),Math.round(e)],{time:Utilities.toTimestamp(t.time)}),this}sendMasterTuning(e,t={}){if(e=parseFloat(e)||0,wm.validation&&!(e>-65&&e<64))throw new RangeError(\"The value must be a decimal number larger than -65 and smaller than 64.\");let n=Math.floor(e)+64,r=e-Math.floor(e);r=Math.round((r+1)/2*16383);let i=r>>7&127,s=127&r;return this.sendRpnValue(\"channelcoarsetuning\",n,t),this.sendRpnValue(\"channelfinetuning\",[i,s],t),this}sendModulationRange(e,t,n={}){if(wm.validation){if(!Number.isInteger(e)||!(e>=0&&e<=127))throw new RangeError(\"The semitones value must be an integer between 0 and 127.\");if(!(null==t||Number.isInteger(t)&&t>=0&&t<=127))throw new RangeError(\"If specified, the cents value must be an integer between 0 and 127.\")}return t>=0&&t<=127||(t=0),this.sendRpnValue(\"modulationrange\",[e,t],n),this}sendNrpnValue(e,t,n={}){if(t=[].concat(t),wm.validation){if(!Array.isArray(e)||!Number.isInteger(e[0])||!Number.isInteger(e[1]))throw new TypeError(\"The specified NRPN is invalid.\");if(!(e[0]>=0&&e[0]<=127))throw new RangeError(\"The first byte of the NRPN must be between 0 and 127.\");if(!(e[1]>=0&&e[1]<=127))throw new RangeError(\"The second byte of the NRPN must be between 0 and 127.\");t.forEach(e=>{if(!(e>=0&&e<=127))throw new RangeError(\"The data bytes of the NRPN must be between 0 and 127.\")})}return this._selectNonRegisteredParameter(e,n),this._setCurrentParameter(t,n),this._deselectNonRegisteredParameter(n),this}sendPitchBend(e,t={}){if(wm.validation)if(t.rawValue&&Array.isArray(e)){if(!(e[0]>=0&&e[0]<=127))throw new RangeError(\"The pitch bend MSB must be an integer between 0 and 127.\");if(!(e[1]>=0&&e[1]<=127))throw new RangeError(\"The pitch bend LSB must be an integer between 0 and 127.\")}else if(t.rawValue&&!Array.isArray(e)){if(!(e>=0&&e<=127))throw new RangeError(\"The pitch bend MSB must be an integer between 0 and 127.\")}else{if(isNaN(e)||null===e)throw new RangeError(\"Invalid pitch bend value.\");if(!(e>=-1&&e<=1))throw new RangeError(\"The pitch bend value must be a float between -1 and 1.\")}let n=0,r=0;if(t.rawValue&&Array.isArray(e))n=e[0],r=e[1];else if(t.rawValue&&!Array.isArray(e))n=e;else{const t=Utilities.fromFloatToMsbLsb((e+1)/2);n=t.msb,r=t.lsb}return this.send([(Enumerations.CHANNEL_MESSAGES.pitchbend<<4)+(this.number-1),r,n],{time:Utilities.toTimestamp(t.time)}),this}sendPitchBendRange(e,t,n={}){if(wm.validation){if(!Number.isInteger(e)||!(e>=0&&e<=127))throw new RangeError(\"The semitones value must be an integer between 0 and 127.\");if(!Number.isInteger(t)||!(t>=0&&t<=127))throw new RangeError(\"The cents value must be an integer between 0 and 127.\")}return this.sendRpnValue(\"pitchbendrange\",[e,t],n),this}sendProgramChange(e,t={}){if(e=parseInt(e)||0,wm.validation&&!(e>=0&&e<=127))throw new RangeError(\"The program number must be between 0 and 127.\");return this.send([(Enumerations.CHANNEL_MESSAGES.programchange<<4)+(this.number-1),e],{time:Utilities.toTimestamp(t.time)}),this}sendRpnValue(e,t,n={}){if(Array.isArray(e)||(e=Enumerations.REGISTERED_PARAMETERS[e]),wm.validation){if(!Number.isInteger(e[0])||!Number.isInteger(e[1]))throw new TypeError(\"The specified NRPN is invalid.\");if(!(e[0]>=0&&e[0]<=127))throw new RangeError(\"The first byte of the RPN must be between 0 and 127.\");if(!(e[1]>=0&&e[1]<=127))throw new RangeError(\"The second byte of the RPN must be between 0 and 127.\");[].concat(t).forEach(e=>{if(!(e>=0&&e<=127))throw new RangeError(\"The data bytes of the RPN must be between 0 and 127.\")})}return this._selectRegisteredParameter(e,n),this._setCurrentParameter(t,n),this._deselectRegisteredParameter(n),this}sendTuningBank(e,t={}){if(wm.validation&&(!Number.isInteger(e)||!(e>=0&&e<=127)))throw new RangeError(\"The tuning bank number must be between 0 and 127.\");return this.sendRpnValue(\"tuningbank\",e,t),this}sendTuningProgram(e,t={}){if(wm.validation&&(!Number.isInteger(e)||!(e>=0&&e<=127)))throw new RangeError(\"The tuning program number must be between 0 and 127.\");return this.sendRpnValue(\"tuningprogram\",e,t),this}sendLocalControl(e,t={}){return e?this.sendChannelMode(\"localcontrol\",127,t):this.sendChannelMode(\"localcontrol\",0,t)}sendAllNotesOff(e={}){return this.sendChannelMode(\"allnotesoff\",0,e)}sendAllSoundOff(e={}){return this.sendChannelMode(\"allsoundoff\",0,e)}sendResetAllControllers(e={}){return this.sendChannelMode(\"resetallcontrollers\",0,e)}sendPolyphonicMode(e,t={}){return\"mono\"===e?this.sendChannelMode(\"monomodeon\",0,t):this.sendChannelMode(\"polymodeon\",0,t)}get octaveOffset(){return this._octaveOffset}set octaveOffset(e){if(this.validation&&(e=parseInt(e),isNaN(e)))throw new TypeError(\"The 'octaveOffset' property must be an integer.\");this._octaveOffset=e}get output(){return this._output}get number(){return this._number}}\n/**\n * The `Output` class represents a single MIDI output port (not to be confused with a MIDI channel).\n * A port is made available by a MIDI device. A MIDI device can advertise several input and output\n * ports. Each port has 16 MIDI channels which can be accessed via the [`channels`](#channels)\n * property.\n *\n * The `Output` object is automatically instantiated by the library according to the host's MIDI\n * subsystem and should not be directly instantiated.\n *\n * You can access all available `Output` objects by referring to the\n * [`WebMidi.outputs`](WebMidi#outputs) array or by using methods such as\n * [`WebMidi.getOutputByName()`](WebMidi#getOutputByName) or\n * [`WebMidi.getOutputById()`](WebMidi#getOutputById).\n *\n * @fires Output#opened\n * @fires Output#disconnected\n * @fires Output#closed\n *\n * @extends EventEmitter\n * @license Apache-2.0\n */class Output extends EventEmitter{constructor(e){super(),this._midiOutput=e,this._octaveOffset=0,this.channels=[];for(let e=1;e<=16;e++)this.channels[e]=new OutputChannel(this,e);this._midiOutput.onstatechange=this._onStateChange.bind(this)}async destroy(){this.removeListener(),this.channels.forEach(e=>e.destroy()),this.channels=[],this._midiOutput&&(this._midiOutput.onstatechange=null),await this.close(),this._midiOutput=null}_onStateChange(e){let t={timestamp:wm.time};\"open\"===e.port.connection?(t.type=\"opened\",t.target=this,t.port=t.target,this.emit(\"opened\",t)):\"closed\"===e.port.connection&&\"connected\"===e.port.state?(t.type=\"closed\",t.target=this,t.port=t.target,this.emit(\"closed\",t)):\"closed\"===e.port.connection&&\"disconnected\"===e.port.state?(t.type=\"disconnected\",t.port={connection:e.port.connection,id:e.port.id,manufacturer:e.port.manufacturer,name:e.port.name,state:e.port.state,type:e.port.type},this.emit(\"disconnected\",t)):\"pending\"===e.port.connection&&\"disconnected\"===e.port.state||console.warn(\"This statechange event was not caught:\",e.port.connection,e.port.state)}async open(){try{return await this._midiOutput.open(),Promise.resolve(this)}catch(e){return Promise.reject(e)}}async close(){this._midiOutput?await this._midiOutput.close():await Promise.resolve()}\n/**\n   * Sends a MIDI message on the MIDI output port. If no time is specified, the message will be\n   * sent immediately. The message should be an array of 8 bit unsigned integers (0-225), a\n   * [`Uint8Array`]{@link https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Uint8Array}\n   * object or a [`Message`](Message) object.\n   *\n   * It is usually not necessary to use this method directly as you can use one of the simpler\n   * helper methods such as [`playNote()`](#playNote), [`stopNote()`](#stopNote),\n   * [`sendControlChange()`](#sendControlChange), etc.\n   *\n   * Details on the format of MIDI messages are available in the summary of\n   * [MIDI messages]{@link https://www.midi.org/specifications-old/item/table-1-summary-of-midi-message}\n   * from the MIDI Manufacturers Association.\n   *\n   * @param message {number[]|Uint8Array|Message} An array of 8bit unsigned integers, a `Uint8Array`\n   * object (not available in Node.js) containing the message bytes or a `Message` object.\n   *\n   * @param {object} [options={}]\n   *\n   * @param {number|string} [options.time=(now)] If `time` is a string prefixed with `\"+\"` and\n   * followed by a number, the message will be delayed by that many milliseconds. If the value is a\n   * positive number\n   * ([`DOMHighResTimeStamp`]{@link https://developer.mozilla.org/docs/Web/API/DOMHighResTimeStamp}),\n   * the operation will be scheduled for that time. The current time can be retrieved with\n   * [`WebMidi.time`]{@link WebMidi#time}. If `options.time` is omitted, or in the past, the\n   * operation will be carried out as soon as possible.\n   *\n   * @throws {RangeError} The first byte (status) must be an integer between 128 and 255.\n   *\n   * @returns {Output} Returns the `Output` object so methods can be chained.\n   *\n   * @license Apache-2.0\n   */send(e,t={time:0},n=0){if(e instanceof Message&&(e=Utilities.isNode?e.data:e.rawData),e instanceof Uint8Array&&Utilities.isNode&&(e=Array.from(e)),wm.validation){if(Array.isArray(e)||e instanceof Uint8Array||(e=[e],Array.isArray(t)&&(e=e.concat(t)),t=isNaN(n)?{time:0}:{time:n}),!(parseInt(e[0])>=128&&parseInt(e[0])<=255))throw new RangeError(\"The first byte (status) must be an integer between 128 and 255.\");e.slice(1).forEach(e=>{if(!((e=parseInt(e))>=0&&e<=255))throw new RangeError(\"Data bytes must be integers between 0 and 255.\")}),t||(t={time:0})}return this._midiOutput.send(e,Utilities.toTimestamp(t.time)),this}sendSysex(e,t=[],n={}){if(e=[].concat(e),t instanceof Uint8Array){const r=new Uint8Array(1+e.length+t.length+1);r[0]=Enumerations.SYSTEM_MESSAGES.sysex,r.set(Uint8Array.from(e),1),r.set(t,1+e.length),r[r.length-1]=Enumerations.SYSTEM_MESSAGES.sysexend,this.send(r,{time:n.time})}else{const r=e.concat(t,Enumerations.SYSTEM_MESSAGES.sysexend);this.send([Enumerations.SYSTEM_MESSAGES.sysex].concat(r),{time:n.time})}return this}clear(){return this._midiOutput.clear?this._midiOutput.clear():wm.validation&&console.warn(\"The 'clear()' method has not yet been implemented in your environment.\"),this}sendTimecodeQuarterFrame(e,t={}){if(wm.validation&&(e=parseInt(e),isNaN(e)||!(e>=0&&e<=127)))throw new RangeError(\"The value must be an integer between 0 and 127.\");return this.send([Enumerations.SYSTEM_MESSAGES.timecode,e],{time:t.time}),this}sendSongPosition(e=0,t={}){var n=(e=Math.floor(e)||0)>>7&127,r=127&e;return this.send([Enumerations.SYSTEM_MESSAGES.songposition,n,r],{time:t.time}),this}sendSongSelect(e=0,t={}){if(wm.validation&&(e=parseInt(e),isNaN(e)||!(e>=0&&e<=127)))throw new RangeError(\"The program value must be between 0 and 127\");return this.send([Enumerations.SYSTEM_MESSAGES.songselect,e],{time:t.time}),this}sendTuneRequest(e={}){return this.send([Enumerations.SYSTEM_MESSAGES.tunerequest],{time:e.time}),this}sendClock(e={}){return this.send([Enumerations.SYSTEM_MESSAGES.clock],{time:e.time}),this}sendStart(e={}){return this.send([Enumerations.SYSTEM_MESSAGES.start],{time:e.time}),this}sendContinue(e={}){return this.send([Enumerations.SYSTEM_MESSAGES.continue],{time:e.time}),this}sendStop(e={}){return this.send([Enumerations.SYSTEM_MESSAGES.stop],{time:e.time}),this}sendActiveSensing(e={}){return this.send([Enumerations.SYSTEM_MESSAGES.activesensing],{time:e.time}),this}sendReset(e={}){return this.send([Enumerations.SYSTEM_MESSAGES.reset],{time:e.time}),this}sendTuningRequest(e={}){return wm.validation&&console.warn(\"The sendTuningRequest() method has been deprecated. Use sendTuningRequest() instead.\"),this.sendTuneRequest(e)}sendKeyAftertouch(e,t,n={}){return null==n.channels&&(n.channels=Enumerations.MIDI_CHANNEL_NUMBERS),Utilities.sanitizeChannels(n.channels).forEach(r=>{this.channels[r].sendKeyAftertouch(e,t,n)}),this}sendControlChange(e,t,n={},r={}){if(wm.validation&&(Array.isArray(n)||Number.isInteger(n)||\"all\"===n)){const e=n;(n=r).channels=e,\"all\"===n.channels&&(n.channels=Enumerations.MIDI_CHANNEL_NUMBERS)}return null==n.channels&&(n.channels=Enumerations.MIDI_CHANNEL_NUMBERS),Utilities.sanitizeChannels(n.channels).forEach(r=>{this.channels[r].sendControlChange(e,t,n)}),this}sendPitchBendRange(e=0,t=0,n={}){return null==n.channels&&(n.channels=Enumerations.MIDI_CHANNEL_NUMBERS),Utilities.sanitizeChannels(n.channels).forEach(r=>{this.channels[r].sendPitchBendRange(e,t,n)}),this}setPitchBendRange(e=0,t=0,n=\"all\",r={}){return wm.validation&&(console.warn(\"The setPitchBendRange() method is deprecated. Use sendPitchBendRange() instead.\"),r.channels=n,\"all\"===r.channels&&(r.channels=Enumerations.MIDI_CHANNEL_NUMBERS)),this.sendPitchBendRange(e,t,r)}sendRpnValue(e,t,n={}){return null==n.channels&&(n.channels=Enumerations.MIDI_CHANNEL_NUMBERS),Utilities.sanitizeChannels(n.channels).forEach(r=>{this.channels[r].sendRpnValue(e,t,n)}),this}setRegisteredParameter(e,t=[],n=\"all\",r={}){return wm.validation&&(console.warn(\"The setRegisteredParameter() method is deprecated. Use sendRpnValue() instead.\"),r.channels=n,\"all\"===r.channels&&(r.channels=Enumerations.MIDI_CHANNEL_NUMBERS)),this.sendRpnValue(e,t,r)}sendChannelAftertouch(e,t={},n={}){if(wm.validation&&(Array.isArray(t)||Number.isInteger(t)||\"all\"===t)){const e=t;(t=n).channels=e,\"all\"===t.channels&&(t.channels=Enumerations.MIDI_CHANNEL_NUMBERS)}return null==t.channels&&(t.channels=Enumerations.MIDI_CHANNEL_NUMBERS),Utilities.sanitizeChannels(t.channels).forEach(n=>{this.channels[n].sendChannelAftertouch(e,t)}),this}sendPitchBend(e,t={},n={}){if(wm.validation&&(Array.isArray(t)||Number.isInteger(t)||\"all\"===t)){const e=t;(t=n).channels=e,\"all\"===t.channels&&(t.channels=Enumerations.MIDI_CHANNEL_NUMBERS)}return null==t.channels&&(t.channels=Enumerations.MIDI_CHANNEL_NUMBERS),Utilities.sanitizeChannels(t.channels).forEach(n=>{this.channels[n].sendPitchBend(e,t)}),this}sendProgramChange(e=0,t={},n={}){if(wm.validation&&(Array.isArray(t)||Number.isInteger(t)||\"all\"===t)){const e=t;(t=n).channels=e,\"all\"===t.channels&&(t.channels=Enumerations.MIDI_CHANNEL_NUMBERS)}return null==t.channels&&(t.channels=Enumerations.MIDI_CHANNEL_NUMBERS),Utilities.sanitizeChannels(t.channels).forEach(n=>{this.channels[n].sendProgramChange(e,t)}),this}sendModulationRange(e,t,n={}){return null==n.channels&&(n.channels=Enumerations.MIDI_CHANNEL_NUMBERS),Utilities.sanitizeChannels(n.channels).forEach(r=>{this.channels[r].sendModulationRange(e,t,n)}),this}setModulationRange(e=0,t=0,n=\"all\",r={}){return wm.validation&&(console.warn(\"The setModulationRange() method is deprecated. Use sendModulationRange() instead.\"),r.channels=n,\"all\"===r.channels&&(r.channels=Enumerations.MIDI_CHANNEL_NUMBERS)),this.sendModulationRange(e,t,r)}sendMasterTuning(e,t={}){return null==t.channels&&(t.channels=Enumerations.MIDI_CHANNEL_NUMBERS),Utilities.sanitizeChannels(t.channels).forEach(n=>{this.channels[n].sendMasterTuning(e,t)}),this}setMasterTuning(e,t={},n={}){return wm.validation&&(console.warn(\"The setMasterTuning() method is deprecated. Use sendMasterTuning() instead.\"),n.channels=t,\"all\"===n.channels&&(n.channels=Enumerations.MIDI_CHANNEL_NUMBERS)),this.sendMasterTuning(e,n)}sendTuningProgram(e,t={}){return null==t.channels&&(t.channels=Enumerations.MIDI_CHANNEL_NUMBERS),Utilities.sanitizeChannels(t.channels).forEach(n=>{this.channels[n].sendTuningProgram(e,t)}),this}setTuningProgram(e,t=\"all\",n={}){return wm.validation&&(console.warn(\"The setTuningProgram() method is deprecated. Use sendTuningProgram() instead.\"),n.channels=t,\"all\"===n.channels&&(n.channels=Enumerations.MIDI_CHANNEL_NUMBERS)),this.sendTuningProgram(e,n)}sendTuningBank(e=0,t={}){return null==t.channels&&(t.channels=Enumerations.MIDI_CHANNEL_NUMBERS),Utilities.sanitizeChannels(t.channels).forEach(n=>{this.channels[n].sendTuningBank(e,t)}),this}setTuningBank(e,t=\"all\",n={}){return wm.validation&&(console.warn(\"The setTuningBank() method is deprecated. Use sendTuningBank() instead.\"),n.channels=t,\"all\"===n.channels&&(n.channels=Enumerations.MIDI_CHANNEL_NUMBERS)),this.sendTuningBank(e,n)}sendChannelMode(e,t=0,n={},r={}){if(wm.validation&&(Array.isArray(n)||Number.isInteger(n)||\"all\"===n)){const e=n;(n=r).channels=e,\"all\"===n.channels&&(n.channels=Enumerations.MIDI_CHANNEL_NUMBERS)}return null==n.channels&&(n.channels=Enumerations.MIDI_CHANNEL_NUMBERS),Utilities.sanitizeChannels(n.channels).forEach(r=>{this.channels[r].sendChannelMode(e,t,n)}),this}sendAllSoundOff(e={}){return null==e.channels&&(e.channels=Enumerations.MIDI_CHANNEL_NUMBERS),Utilities.sanitizeChannels(e.channels).forEach(t=>{this.channels[t].sendAllSoundOff(e)}),this}sendAllNotesOff(e={}){return null==e.channels&&(e.channels=Enumerations.MIDI_CHANNEL_NUMBERS),Utilities.sanitizeChannels(e.channels).forEach(t=>{this.channels[t].sendAllNotesOff(e)}),this}sendResetAllControllers(e={},t={}){if(wm.validation&&(Array.isArray(e)||Number.isInteger(e)||\"all\"===e)){const n=e;(e=t).channels=n,\"all\"===e.channels&&(e.channels=Enumerations.MIDI_CHANNEL_NUMBERS)}return null==e.channels&&(e.channels=Enumerations.MIDI_CHANNEL_NUMBERS),Utilities.sanitizeChannels(e.channels).forEach(t=>{this.channels[t].sendResetAllControllers(e)}),this}sendPolyphonicMode(e,t={},n={}){if(wm.validation&&(Array.isArray(t)||Number.isInteger(t)||\"all\"===t)){const e=t;(t=n).channels=e,\"all\"===t.channels&&(t.channels=Enumerations.MIDI_CHANNEL_NUMBERS)}return null==t.channels&&(t.channels=Enumerations.MIDI_CHANNEL_NUMBERS),Utilities.sanitizeChannels(t.channels).forEach(n=>{this.channels[n].sendPolyphonicMode(e,t)}),this}sendLocalControl(e,t={},n={}){if(wm.validation&&(Array.isArray(t)||Number.isInteger(t)||\"all\"===t)){const e=t;(t=n).channels=e,\"all\"===t.channels&&(t.channels=Enumerations.MIDI_CHANNEL_NUMBERS)}return null==t.channels&&(t.channels=Enumerations.MIDI_CHANNEL_NUMBERS),Utilities.sanitizeChannels(t.channels).forEach(n=>{this.channels[n].sendLocalControl(e,t)}),this}sendOmniMode(e,t={},n={}){if(wm.validation&&(Array.isArray(t)||Number.isInteger(t)||\"all\"===t)){const e=t;(t=n).channels=e,\"all\"===t.channels&&(t.channels=Enumerations.MIDI_CHANNEL_NUMBERS)}return null==t.channels&&(t.channels=Enumerations.MIDI_CHANNEL_NUMBERS),Utilities.sanitizeChannels(t.channels).forEach(n=>{this.channels[n].sendOmniMode(e,t)}),this}sendNrpnValue(e,t,n={}){return null==n.channels&&(n.channels=Enumerations.MIDI_CHANNEL_NUMBERS),Utilities.sanitizeChannels(n.channels).forEach(r=>{this.channels[r].sendNrpnValue(e,t,n)}),this}setNonRegisteredParameter(e,t=[],n=\"all\",r={}){return wm.validation&&(console.warn(\"The setNonRegisteredParameter() method is deprecated. Use sendNrpnValue() instead.\"),r.channels=n,\"all\"===r.channels&&(r.channels=Enumerations.MIDI_CHANNEL_NUMBERS)),this.sendNrpnValue(e,t,r)}sendRpnIncrement(e,t={}){return null==t.channels&&(t.channels=Enumerations.MIDI_CHANNEL_NUMBERS),Utilities.sanitizeChannels(t.channels).forEach(n=>{this.channels[n].sendRpnIncrement(e,t)}),this}incrementRegisteredParameter(e,t=\"all\",n={}){return wm.validation&&(console.warn(\"The incrementRegisteredParameter() method is deprecated. Use sendRpnIncrement() instead.\"),n.channels=t,\"all\"===n.channels&&(n.channels=Enumerations.MIDI_CHANNEL_NUMBERS)),this.sendRpnIncrement(e,n)}sendRpnDecrement(e,t={}){return null==t.channels&&(t.channels=Enumerations.MIDI_CHANNEL_NUMBERS),Utilities.sanitizeChannels(t.channels).forEach(n=>{this.channels[n].sendRpnDecrement(e,t)}),this}decrementRegisteredParameter(e,t=\"all\",n={}){return wm.validation&&(console.warn(\"The decrementRegisteredParameter() method is deprecated. Use sendRpnDecrement() instead.\"),n.channels=t,\"all\"===n.channels&&(n.channels=Enumerations.MIDI_CHANNEL_NUMBERS)),this.sendRpnDecrement(e,n)}sendNoteOff(e,t={},n={}){if(wm.validation&&(Array.isArray(t)||Number.isInteger(t)||\"all\"===t)){const e=t;(t=n).channels=e,\"all\"===t.channels&&(t.channels=Enumerations.MIDI_CHANNEL_NUMBERS)}return null==t.channels&&(t.channels=Enumerations.MIDI_CHANNEL_NUMBERS),Utilities.sanitizeChannels(t.channels).forEach(n=>{this.channels[n].sendNoteOff(e,t)}),this}stopNote(e,t){return this.sendNoteOff(e,t)}playNote(e,t={},n={}){if(wm.validation&&(t.rawVelocity&&console.warn(\"The 'rawVelocity' option is deprecated. Use 'rawAttack' instead.\"),t.velocity&&console.warn(\"The 'velocity' option is deprecated. Use 'velocity' instead.\"),Array.isArray(t)||Number.isInteger(t)||\"all\"===t)){const e=t;(t=n).channels=e,\"all\"===t.channels&&(t.channels=Enumerations.MIDI_CHANNEL_NUMBERS)}return null==t.channels&&(t.channels=Enumerations.MIDI_CHANNEL_NUMBERS),Utilities.sanitizeChannels(t.channels).forEach(n=>{this.channels[n].playNote(e,t)}),this}sendNoteOn(e,t={},n={}){if(wm.validation&&(Array.isArray(t)||Number.isInteger(t)||\"all\"===t)){const e=t;(t=n).channels=e,\"all\"===t.channels&&(t.channels=Enumerations.MIDI_CHANNEL_NUMBERS)}return null==t.channels&&(t.channels=Enumerations.MIDI_CHANNEL_NUMBERS),Utilities.sanitizeChannels(t.channels).forEach(n=>{this.channels[n].sendNoteOn(e,t)}),this}get name(){return this._midiOutput.name}get id(){return this._midiOutput.id}get connection(){return this._midiOutput.connection}get manufacturer(){return this._midiOutput.manufacturer}get state(){return this._midiOutput.state}get type(){return this._midiOutput.type}get octaveOffset(){return this._octaveOffset}set octaveOffset(e){if(this.validation&&(e=parseInt(e),isNaN(e)))throw new TypeError(\"The 'octaveOffset' property must be an integer.\");this._octaveOffset=e}}\n/**\n * The `Forwarder` class allows the forwarding of MIDI messages to predetermined outputs. When you\n * call its [`forward()`](#forward) method, it will send the specified [`Message`](Message) object\n * to all the outputs listed in its [`destinations`](#destinations) property.\n *\n * If specific channels or message types have been defined in the [`channels`](#channels) or\n * [`types`](#types) properties, only messages matching the channels/types will be forwarded.\n *\n * While it can be manually instantiated, you are more likely to come across a `Forwarder` object as\n * the return value of the [`Input.addForwarder()`](Input#addForwarder) method.\n *\n * @license Apache-2.0\n * @since 3.0.0\n */class Forwarder{constructor(e=[],t={}){this.destinations=[],this.types=[...Object.keys(Enumerations.SYSTEM_MESSAGES),...Object.keys(Enumerations.CHANNEL_MESSAGES)],this.channels=Enumerations.MIDI_CHANNEL_NUMBERS,this.suspended=!1,Array.isArray(e)||(e=[e]),t.types&&!Array.isArray(t.types)&&(t.types=[t.types]),t.channels&&!Array.isArray(t.channels)&&(t.channels=[t.channels]),wm.validation&&(e.forEach(e=>{if(!(e instanceof Output))throw new TypeError(\"Destinations must be of type 'Output'.\")}),void 0!==t.types&&t.types.forEach(e=>{if(!Enumerations.SYSTEM_MESSAGES.hasOwnProperty(e)&&!Enumerations.CHANNEL_MESSAGES.hasOwnProperty(e))throw new TypeError(\"Type must be a valid message type.\")}),void 0!==t.channels&&t.channels.forEach(e=>{if(!Enumerations.MIDI_CHANNEL_NUMBERS.includes(e))throw new TypeError(\"MIDI channel must be between 1 and 16.\")})),this.destinations=e,t.types&&(this.types=t.types),t.channels&&(this.channels=t.channels)}forward(e){this.suspended||this.types.includes(e.type)&&(e.channel&&!this.channels.includes(e.channel)||this.destinations.forEach(t=>{(!wm.validation||t instanceof Output)&&t.send(e)}))}}\n/**\n * The `InputChannel` class represents a single MIDI input channel (1-16) from a single input\n * device. This object is derived from the host's MIDI subsystem and should not be instantiated\n * directly.\n *\n * All 16 `InputChannel` objects can be found inside the input's [`channels`](Input#channels)\n * property.\n *\n * @fires InputChannel#midimessage\n * @fires InputChannel#unknownmessage\n *\n * @fires InputChannel#noteoff\n * @fires InputChannel#noteon\n * @fires InputChannel#keyaftertouch\n * @fires InputChannel#programchange\n * @fires InputChannel#channelaftertouch\n * @fires InputChannel#pitchbend\n *\n * @fires InputChannel#allnotesoff\n * @fires InputChannel#allsoundoff\n * @fires InputChannel#localcontrol\n * @fires InputChannel#monomode\n * @fires InputChannel#omnimode\n * @fires InputChannel#resetallcontrollers\n *\n * @fires InputChannel#event:nrpn\n * @fires InputChannel#event:nrpn-dataentrycoarse\n * @fires InputChannel#event:nrpn-dataentryfine\n * @fires InputChannel#event:nrpn-dataincrement\n * @fires InputChannel#event:nrpn-datadecrement\n * @fires InputChannel#event:rpn\n * @fires InputChannel#event:rpn-dataentrycoarse\n * @fires InputChannel#event:rpn-dataentryfine\n * @fires InputChannel#event:rpn-dataincrement\n * @fires InputChannel#event:rpn-datadecrement\n *\n * @fires InputChannel#controlchange\n * @fires InputChannel#event:controlchange-controllerxxx\n * @fires InputChannel#event:controlchange-bankselectcoarse\n * @fires InputChannel#event:controlchange-modulationwheelcoarse\n * @fires InputChannel#event:controlchange-breathcontrollercoarse\n * @fires InputChannel#event:controlchange-footcontrollercoarse\n * @fires InputChannel#event:controlchange-portamentotimecoarse\n * @fires InputChannel#event:controlchange-dataentrycoarse\n * @fires InputChannel#event:controlchange-volumecoarse\n * @fires InputChannel#event:controlchange-balancecoarse\n * @fires InputChannel#event:controlchange-pancoarse\n * @fires InputChannel#event:controlchange-expressioncoarse\n * @fires InputChannel#event:controlchange-effectcontrol1coarse\n * @fires InputChannel#event:controlchange-effectcontrol2coarse\n * @fires InputChannel#event:controlchange-generalpurposecontroller1\n * @fires InputChannel#event:controlchange-generalpurposecontroller2\n * @fires InputChannel#event:controlchange-generalpurposecontroller3\n * @fires InputChannel#event:controlchange-generalpurposecontroller4\n * @fires InputChannel#event:controlchange-bankselectfine\n * @fires InputChannel#event:controlchange-modulationwheelfine\n * @fires InputChannel#event:controlchange-breathcontrollerfine\n * @fires InputChannel#event:controlchange-footcontrollerfine\n * @fires InputChannel#event:controlchange-portamentotimefine\n * @fires InputChannel#event:controlchange-dataentryfine\n * @fires InputChannel#event:controlchange-channelvolumefine\n * @fires InputChannel#event:controlchange-balancefine\n * @fires InputChannel#event:controlchange-panfine\n * @fires InputChannel#event:controlchange-expressionfine\n * @fires InputChannel#event:controlchange-effectcontrol1fine\n * @fires InputChannel#event:controlchange-effectcontrol2fine\n * @fires InputChannel#event:controlchange-damperpedal\n * @fires InputChannel#event:controlchange-portamento\n * @fires InputChannel#event:controlchange-sostenuto\n * @fires InputChannel#event:controlchange-softpedal\n * @fires InputChannel#event:controlchange-legatopedal\n * @fires InputChannel#event:controlchange-hold2\n * @fires InputChannel#event:controlchange-soundvariation\n * @fires InputChannel#event:controlchange-resonance\n * @fires InputChannel#event:controlchange-releasetime\n * @fires InputChannel#event:controlchange-attacktime\n * @fires InputChannel#event:controlchange-brightness\n * @fires InputChannel#event:controlchange-decaytime\n * @fires InputChannel#event:controlchange-vibratorate\n * @fires InputChannel#event:controlchange-vibratodepth\n * @fires InputChannel#event:controlchange-vibratodelay\n * @fires InputChannel#event:controlchange-generalpurposecontroller5\n * @fires InputChannel#event:controlchange-generalpurposecontroller6\n * @fires InputChannel#event:controlchange-generalpurposecontroller7\n * @fires InputChannel#event:controlchange-generalpurposecontroller8\n * @fires InputChannel#event:controlchange-portamentocontrol\n * @fires InputChannel#event:controlchange-highresolutionvelocityprefix\n * @fires InputChannel#event:controlchange-effect1depth\n * @fires InputChannel#event:controlchange-effect2depth\n * @fires InputChannel#event:controlchange-effect3depth\n * @fires InputChannel#event:controlchange-effect4depth\n * @fires InputChannel#event:controlchange-effect5depth\n * @fires InputChannel#event:controlchange-dataincrement\n * @fires InputChannel#event:controlchange-datadecrement\n * @fires InputChannel#event:controlchange-nonregisteredparameterfine\n * @fires InputChannel#event:controlchange-nonregisteredparametercoarse\n * @fires InputChannel#event:controlchange-registeredparameterfine\n * @fires InputChannel#event:controlchange-registeredparametercoarse\n * @fires InputChannel#event:controlchange-allsoundoff\n * @fires InputChannel#event:controlchange-resetallcontrollers\n * @fires InputChannel#event:controlchange-localcontrol\n * @fires InputChannel#event:controlchange-allnotesoff\n * @fires InputChannel#event:controlchange-omnimodeoff\n * @fires InputChannel#event:controlchange-omnimodeon\n * @fires InputChannel#event:controlchange-monomodeon\n * @fires InputChannel#event:controlchange-polymodeon\n * @fires InputChannel#event:\n *\n * @extends EventEmitter\n * @license Apache-2.0\n * @since 3.0.0\n */class InputChannel extends EventEmitter{constructor(e,t){super(),this._input=e,this._number=t,this._octaveOffset=0,this._nrpnBuffer=[],this._rpnBuffer=[],this.parameterNumberEventsEnabled=!0,this.notesState=new Array(128).fill(!1)}destroy(){this._input=null,this._number=null,this._octaveOffset=0,this._nrpnBuffer=[],this.notesState=new Array(128).fill(!1),this.parameterNumberEventsEnabled=!1,this.removeListener()}_processMidiMessageEvent(e){const t=Object.assign({},e);t.port=this.input,t.target=this,t.type=\"midimessage\",this.emit(t.type,t),this._parseEventForStandardMessages(t)}_parseEventForStandardMessages(e){const t=Object.assign({},e);t.type=t.message.type||\"unknownmessage\";const n=e.message.dataBytes[0],r=e.message.dataBytes[1];if(\"noteoff\"===t.type||\"noteon\"===t.type&&0===r)this.notesState[n]=!1,t.type=\"noteoff\",t.note=new Note(Utilities.offsetNumber(n,this.octaveOffset+this.input.octaveOffset+wm.octaveOffset),{rawAttack:0,rawRelease:r}),t.value=Utilities.from7bitToFloat(r),t.rawValue=r,t.velocity=t.note.release,t.rawVelocity=t.note.rawRelease;else if(\"noteon\"===t.type)this.notesState[n]=!0,t.note=new Note(Utilities.offsetNumber(n,this.octaveOffset+this.input.octaveOffset+wm.octaveOffset),{rawAttack:r}),t.value=Utilities.from7bitToFloat(r),t.rawValue=r,t.velocity=t.note.attack,t.rawVelocity=t.note.rawAttack;else if(\"keyaftertouch\"===t.type)t.note=new Note(Utilities.offsetNumber(n,this.octaveOffset+this.input.octaveOffset+wm.octaveOffset)),t.value=Utilities.from7bitToFloat(r),t.rawValue=r,t.identifier=t.note.identifier,t.key=t.note.number,t.rawKey=n;else if(\"controlchange\"===t.type){t.controller={number:n,name:Enumerations.CONTROL_CHANGE_MESSAGES[n].name,description:Enumerations.CONTROL_CHANGE_MESSAGES[n].description,position:Enumerations.CONTROL_CHANGE_MESSAGES[n].position},t.subtype=t.controller.name||\"controller\"+n,t.value=Utilities.from7bitToFloat(r),t.rawValue=r;const e=Object.assign({},t);e.type=`${t.type}-controller${n}`,delete e.subtype,this.emit(e.type,e);const i=Object.assign({},t);i.type=t.type+\"-\"+Enumerations.CONTROL_CHANGE_MESSAGES[n].name,delete i.subtype,0!==i.type.indexOf(\"controller\")&&this.emit(i.type,i),t.message.dataBytes[0]>=120&&this._parseChannelModeMessage(t),this.parameterNumberEventsEnabled&&this._isRpnOrNrpnController(t.message.dataBytes[0])&&this._parseEventForParameterNumber(t)}else\"programchange\"===t.type?(t.value=n,t.rawValue=t.value):\"channelaftertouch\"===t.type?(t.value=Utilities.from7bitToFloat(n),t.rawValue=n):\"pitchbend\"===t.type?(t.value=((r<<7)+n-8192)/8192,t.rawValue=(r<<7)+n):t.type=\"unknownmessage\";this.emit(t.type,t)}_parseChannelModeMessage(e){const t=Object.assign({},e);t.type=t.controller.name,\"localcontrol\"===t.type&&(t.value=127===t.message.data[2],t.rawValue=t.message.data[2]),\"omnimodeon\"===t.type?(t.type=\"omnimode\",t.value=!0,t.rawValue=t.message.data[2]):\"omnimodeoff\"===t.type&&(t.type=\"omnimode\",t.value=!1,t.rawValue=t.message.data[2]),\"monomodeon\"===t.type?(t.type=\"monomode\",t.value=!0,t.rawValue=t.message.data[2]):\"polymodeon\"===t.type&&(t.type=\"monomode\",t.value=!1,t.rawValue=t.message.data[2]),this.emit(t.type,t)}_parseEventForParameterNumber(e){const t=e.message.dataBytes[0],n=e.message.dataBytes[1];99===t||101===t?(this._nrpnBuffer=[],this._rpnBuffer=[],99===t?this._nrpnBuffer=[e.message]:127!==n&&(this._rpnBuffer=[e.message])):98===t||100===t?98===t?(this._rpnBuffer=[],1===this._nrpnBuffer.length?this._nrpnBuffer.push(e.message):this._nrpnBuffer=[]):(this._nrpnBuffer=[],1===this._rpnBuffer.length&&127!==n?this._rpnBuffer.push(e.message):this._rpnBuffer=[]):6!==t&&38!==t&&96!==t&&97!==t||(2===this._rpnBuffer.length?this._dispatchParameterNumberEvent(\"rpn\",this._rpnBuffer[0].dataBytes[1],this._rpnBuffer[1].dataBytes[1],e):2===this._nrpnBuffer.length?this._dispatchParameterNumberEvent(\"nrpn\",this._nrpnBuffer[0].dataBytes[1],this._nrpnBuffer[1].dataBytes[1],e):(this._nrpnBuffer=[],this._rpnBuffer=[]))}_isRpnOrNrpnController(e){return 6===e||38===e||96===e||97===e||98===e||99===e||100===e||101===e}_dispatchParameterNumberEvent(e,t,n,r){e=\"nrpn\"===e?\"nrpn\":\"rpn\";const i={target:r.target,timestamp:r.timestamp,message:r.message,parameterMsb:t,parameterLsb:n,value:Utilities.from7bitToFloat(r.message.dataBytes[1]),rawValue:r.message.dataBytes[1]};i.parameter=\"rpn\"===e?Object.keys(Enumerations.REGISTERED_PARAMETERS).find(e=>Enumerations.REGISTERED_PARAMETERS[e][0]===t&&Enumerations.REGISTERED_PARAMETERS[e][1]===n):(t<<7)+n;const s=Enumerations.CONTROL_CHANGE_MESSAGES[r.message.dataBytes[0]].name;i.type=`${e}-${s}`,this.emit(i.type,i);const a=Object.assign({},i);\"nrpn-dataincrement\"===a.type?a.type=\"nrpn-databuttonincrement\":\"nrpn-datadecrement\"===a.type?a.type=\"nrpn-databuttondecrement\":\"rpn-dataincrement\"===a.type?a.type=\"rpn-databuttonincrement\":\"rpn-datadecrement\"===a.type&&(a.type=\"rpn-databuttondecrement\"),this.emit(a.type,a),i.type=e,i.subtype=s,this.emit(i.type,i)}getChannelModeByNumber(e){return wm.validation&&(console.warn(\"The 'getChannelModeByNumber()' method has been moved to the 'Utilities' class.\"),e=Math.floor(e)),Utilities.getChannelModeByNumber(e)}getCcNameByNumber(e){if(wm.validation&&(console.warn(\"The 'getCcNameByNumber()' method has been moved to the 'Utilities' class.\"),!((e=parseInt(e))>=0&&e<=127)))throw new RangeError(\"Invalid control change number.\");return Utilities.getCcNameByNumber(e)}getNoteState(e){e instanceof Note&&(e=e.identifier);const t=Utilities.guessNoteNumber(e,wm.octaveOffset+this.input.octaveOffset+this.octaveOffset);return this.notesState[t]}get octaveOffset(){return this._octaveOffset}set octaveOffset(e){if(this.validation&&(e=parseInt(e),isNaN(e)))throw new TypeError(\"The 'octaveOffset' property must be an integer.\");this._octaveOffset=e}get input(){return this._input}get number(){return this._number}get nrpnEventsEnabled(){return this.parameterNumberEventsEnabled}set nrpnEventsEnabled(e){this.validation&&(e=!!e),this.parameterNumberEventsEnabled=e}}\n/**\n * The `Message` class represents a single MIDI message. It has several properties that make it\n * easy to make sense of the binary data it contains.\n *\n * @license Apache-2.0\n * @since 3.0.0\n */class Message{constructor(e){this.rawData=e,this.data=Array.from(this.rawData),this.statusByte=this.rawData[0],this.rawDataBytes=this.rawData.slice(1),this.dataBytes=this.data.slice(1),this.isChannelMessage=!1,this.isSystemMessage=!1,this.command=void 0,this.channel=void 0,this.manufacturerId=void 0,this.type=void 0,this.statusByte<240?(this.isChannelMessage=!0,this.command=this.statusByte>>4,this.channel=1+(15&this.statusByte)):(this.isSystemMessage=!0,this.command=this.statusByte),this.isChannelMessage?this.type=Utilities.getPropertyByValue(Enumerations.CHANNEL_MESSAGES,this.command):this.isSystemMessage&&(this.type=Utilities.getPropertyByValue(Enumerations.SYSTEM_MESSAGES,this.command)),this.statusByte===Enumerations.SYSTEM_MESSAGES.sysex&&(0===this.dataBytes[0]?(this.manufacturerId=this.dataBytes.slice(0,3),this.dataBytes=this.dataBytes.slice(3,this.rawDataBytes.length-1),this.rawDataBytes=this.rawDataBytes.slice(3,this.rawDataBytes.length-1)):(this.manufacturerId=[this.dataBytes[0]],this.dataBytes=this.dataBytes.slice(1,this.dataBytes.length-1),this.rawDataBytes=this.rawDataBytes.slice(1,this.rawDataBytes.length-1)))}}\n/**\n * The `Input` class represents a single MIDI input port. This object is automatically instantiated\n * by the library according to the host's MIDI subsystem and does not need to be directly\n * instantiated. Instead, you can access all `Input` objects by referring to the\n * [`WebMidi.inputs`](WebMidi#inputs) array. You can also retrieve inputs by using methods such as\n * [`WebMidi.getInputByName()`](WebMidi#getInputByName) and\n * [`WebMidi.getInputById()`](WebMidi#getInputById).\n *\n * Note that a single MIDI device may expose several inputs and/or outputs.\n *\n * **Important**: the `Input` class does not directly fire channel-specific MIDI messages\n * (such as [`noteon`](InputChannel#event:noteon) or\n * [`controlchange`](InputChannel#event:controlchange), etc.). The [`InputChannel`](InputChannel)\n * object does that. However, you can still use the\n * [`Input.addListener()`](#addListener) method to listen to channel-specific events on multiple\n * [`InputChannel`](InputChannel) objects at once.\n *\n * @fires Input#opened\n * @fires Input#disconnected\n * @fires Input#closed\n * @fires Input#midimessage\n *\n * @fires Input#sysex\n * @fires Input#timecode\n * @fires Input#songposition\n * @fires Input#songselect\n * @fires Input#tunerequest\n * @fires Input#clock\n * @fires Input#start\n * @fires Input#continue\n * @fires Input#stop\n * @fires Input#activesensing\n * @fires Input#reset\n *\n * @fires Input#unknownmidimessage\n *\n * @extends EventEmitter\n * @license Apache-2.0\n */class Input extends EventEmitter{constructor(e){super(),this._midiInput=e,this._octaveOffset=0,this.channels=[];for(let e=1;e<=16;e++)this.channels[e]=new InputChannel(this,e);this._forwarders=[],this._midiInput.onstatechange=this._onStateChange.bind(this),this._midiInput.onmidimessage=this._onMidiMessage.bind(this)}async destroy(){this.removeListener(),this.channels.forEach(e=>e.destroy()),this.channels=[],this._forwarders=[],this._midiInput&&(this._midiInput.onstatechange=null,this._midiInput.onmidimessage=null),await this.close(),this._midiInput=null}_onStateChange(e){let t={timestamp:wm.time,target:this,port:this};\"open\"===e.port.connection?(t.type=\"opened\",this.emit(\"opened\",t)):\"closed\"===e.port.connection&&\"connected\"===e.port.state?(t.type=\"closed\",this.emit(\"closed\",t)):\"closed\"===e.port.connection&&\"disconnected\"===e.port.state?(t.type=\"disconnected\",t.port={connection:e.port.connection,id:e.port.id,manufacturer:e.port.manufacturer,name:e.port.name,state:e.port.state,type:e.port.type},this.emit(\"disconnected\",t)):\"pending\"===e.port.connection&&\"disconnected\"===e.port.state||console.warn(\"This statechange event was not caught: \",e.port.connection,e.port.state)}_onMidiMessage(e){const t=new Message(e.data),n={port:this,target:this,message:t,timestamp:e.timeStamp,type:\"midimessage\",data:t.data,rawData:t.data,statusByte:t.data[0],dataBytes:t.dataBytes};this.emit(\"midimessage\",n),t.isSystemMessage?this._parseEvent(n):t.isChannelMessage&&this.channels[t.channel]._processMidiMessageEvent(n),this._forwarders.forEach(e=>e.forward(t))}_parseEvent(e){const t=Object.assign({},e);t.type=t.message.type||\"unknownmidimessage\",\"songselect\"===t.type&&(t.song=e.data[1]+1,t.value=e.data[1],t.rawValue=t.value),this.emit(t.type,t)}async open(){try{await this._midiInput.open()}catch(e){return Promise.reject(e)}return Promise.resolve(this)}async close(){if(!this._midiInput)return Promise.resolve(this);try{await this._midiInput.close()}catch(e){return Promise.reject(e)}return Promise.resolve(this)}getChannelModeByNumber(){wm.validation&&console.warn(\"The 'getChannelModeByNumber()' method has been moved to the 'Utilities' class.\")}addListener(e,t,n={}){if(wm.validation&&\"function\"==typeof n){let e=null!=t?[].concat(t):void 0;t=n,n={channels:e}}if(Enumerations.CHANNEL_EVENTS.includes(e)){void 0===n.channels&&(n.channels=Enumerations.MIDI_CHANNEL_NUMBERS);let r=[];return Utilities.sanitizeChannels(n.channels).forEach(i=>{r.push(this.channels[i].addListener(e,t,n))}),r}return super.addListener(e,t,n)}addOneTimeListener(e,t,n={}){return n.remaining=1,this.addListener(e,t,n)}on(e,t,n,r){return this.addListener(e,t,n,r)}hasListener(e,t,n={}){if(wm.validation&&\"function\"==typeof n){let e=[].concat(t);t=n,n={channels:e}}return Enumerations.CHANNEL_EVENTS.includes(e)?(void 0===n.channels&&(n.channels=Enumerations.MIDI_CHANNEL_NUMBERS),Utilities.sanitizeChannels(n.channels).every(n=>this.channels[n].hasListener(e,t))):super.hasListener(e,t)}removeListener(e,t,n={}){if(wm.validation&&\"function\"==typeof n){let e=[].concat(t);t=n,n={channels:e}}if(void 0===n.channels&&(n.channels=Enumerations.MIDI_CHANNEL_NUMBERS),null==e)return Utilities.sanitizeChannels(n.channels).forEach(e=>{this.channels[e]&&this.channels[e].removeListener()}),super.removeListener();Enumerations.CHANNEL_EVENTS.includes(e)?Utilities.sanitizeChannels(n.channels).forEach(r=>{this.channels[r].removeListener(e,t,n)}):super.removeListener(e,t,n)}addForwarder(e,t={}){let n;return n=e instanceof Forwarder?e:new Forwarder(e,t),this._forwarders.push(n),n}removeForwarder(e){this._forwarders=this._forwarders.filter(t=>t!==e)}hasForwarder(e){return this._forwarders.includes(e)}get name(){return this._midiInput.name}get id(){return this._midiInput.id}get connection(){return this._midiInput.connection}get manufacturer(){return this._midiInput.manufacturer}get octaveOffset(){return this._octaveOffset}set octaveOffset(e){if(this.validation&&(e=parseInt(e),isNaN(e)))throw new TypeError(\"The 'octaveOffset' property must be an integer.\");this._octaveOffset=e}get state(){return this._midiInput.state}get type(){return this._midiInput.type}get nrpnEventsEnabled(){return wm.validation&&console.warn(\"The 'nrpnEventsEnabled' property has been moved to the 'InputChannel' class.\"),!1}}if(Utilities.isNode){try{window.navigator}catch(err){let jzz;eval('jzz = require(\"jzz\")'),global.navigator||(global.navigator={}),Object.assign(global.navigator,jzz)}try{performance}catch(err){let performance;eval('performance = require(\"perf_hooks\").performance'),global.performance=performance}}\n/**\n * The `WebMidi` object makes it easier to work with the low-level Web MIDI API. Basically, it\n * simplifies sending outgoing MIDI messages and reacting to incoming MIDI messages.\n *\n * When using the WebMidi.js library, you should know that the `WebMidi` class has already been\n * instantiated. You cannot instantiate it yourself. If you use the **IIFE** version, you should\n * simply use the global object called `WebMidi`. If you use the **CJS** (CommonJS) or **ESM** (ES6\n * module) version, you get an already-instantiated object when you import the module.\n *\n * @fires WebMidi#connected\n * @fires WebMidi#disabled\n * @fires WebMidi#disconnected\n * @fires WebMidi#enabled\n * @fires WebMidi#error\n * @fires WebMidi#midiaccessgranted\n * @fires WebMidi#portschanged\n *\n * @extends EventEmitter\n * @license Apache-2.0\n */class WebMidi extends EventEmitter{constructor(){super(),this.defaults={note:{attack:Utilities.from7bitToFloat(64),release:Utilities.from7bitToFloat(64),duration:1/0}},this.interface=null,this.validation=!0,this._inputs=[],this._disconnectedInputs=[],this._outputs=[],this._disconnectedOutputs=[],this._stateChangeQueue=[],this._octaveOffset=0}async enable(e={},t=!1){if(this.validation=!1!==e.validation,this.validation&&(\"function\"==typeof e&&(e={callback:e,sysex:t}),t&&(e.sysex=!0)),this.enabled)return\"function\"==typeof e.callback&&e.callback(),Promise.resolve();const n={timestamp:this.time,target:this,type:\"error\",error:void 0},r={timestamp:this.time,target:this,type:\"midiaccessgranted\"},i={timestamp:this.time,target:this,type:\"enabled\"};try{\"function\"==typeof e.requestMIDIAccessFunction?this.interface=await e.requestMIDIAccessFunction({sysex:e.sysex,software:e.software}):this.interface=await navigator.requestMIDIAccess({sysex:e.sysex,software:e.software})}catch(t){return n.error=t,this.emit(\"error\",n),\"function\"==typeof e.callback&&e.callback(t),Promise.reject(t)}this.emit(\"midiaccessgranted\",r),this.interface.onstatechange=this._onInterfaceStateChange.bind(this);try{await this._updateInputsAndOutputs()}catch(t){return n.error=t,this.emit(\"error\",n),\"function\"==typeof e.callback&&e.callback(t),Promise.reject(t)}return this.emit(\"enabled\",i),\"function\"==typeof e.callback&&e.callback(),Promise.resolve(this)}async disable(){return this.interface&&(this.interface.onstatechange=void 0),this._destroyInputsAndOutputs().then(()=>{navigator&&\"function\"==typeof navigator.close&&navigator.close(),this.interface=null;let e={timestamp:this.time,target:this,type:\"disabled\"};this.emit(\"disabled\",e),this.removeListener()})}getInputById(e,t={disconnected:!1}){if(this.validation){if(!this.enabled)throw new Error(\"WebMidi is not enabled.\");if(!e)return}if(t.disconnected){for(let t=0;t<this._disconnectedInputs.length;t++)if(this._disconnectedInputs[t].id===e.toString())return this._disconnectedInputs[t]}else for(let t=0;t<this.inputs.length;t++)if(this.inputs[t].id===e.toString())return this.inputs[t]}getInputByName(e,t={disconnected:!1}){if(this.validation){if(!this.enabled)throw new Error(\"WebMidi is not enabled.\");if(!e)return;e=e.toString()}if(t.disconnected){for(let t=0;t<this._disconnectedInputs.length;t++)if(~this._disconnectedInputs[t].name.indexOf(e))return this._disconnectedInputs[t]}else for(let t=0;t<this.inputs.length;t++)if(~this.inputs[t].name.indexOf(e))return this.inputs[t]}getOutputByName(e,t={disconnected:!1}){if(this.validation){if(!this.enabled)throw new Error(\"WebMidi is not enabled.\");if(!e)return;e=e.toString()}if(t.disconnected){for(let t=0;t<this._disconnectedOutputs.length;t++)if(~this._disconnectedOutputs[t].name.indexOf(e))return this._disconnectedOutputs[t]}else for(let t=0;t<this.outputs.length;t++)if(~this.outputs[t].name.indexOf(e))return this.outputs[t]}getOutputById(e,t={disconnected:!1}){if(this.validation){if(!this.enabled)throw new Error(\"WebMidi is not enabled.\");if(!e)return}if(t.disconnected){for(let t=0;t<this._disconnectedOutputs.length;t++)if(this._disconnectedOutputs[t].id===e.toString())return this._disconnectedOutputs[t]}else for(let t=0;t<this.outputs.length;t++)if(this.outputs[t].id===e.toString())return this.outputs[t]}noteNameToNumber(e){return this.validation&&console.warn(\"The noteNameToNumber() method is deprecated. Use Utilities.toNoteNumber() instead.\"),Utilities.toNoteNumber(e,this.octaveOffset)}getOctave(e){return this.validation&&(console.warn(\"The getOctave()is deprecated. Use Utilities.getNoteDetails() instead\"),e=parseInt(e)),!isNaN(e)&&e>=0&&e<=127&&Utilities.getNoteDetails(Utilities.offsetNumber(e,this.octaveOffset)).octave}sanitizeChannels(e){return this.validation&&console.warn(\"The sanitizeChannels() method has been moved to the utilities class.\"),Utilities.sanitizeChannels(e)}toMIDIChannels(e){return this.validation&&console.warn(\"The toMIDIChannels() method has been deprecated. Use Utilities.sanitizeChannels() instead.\"),Utilities.sanitizeChannels(e)}guessNoteNumber(e){return this.validation&&console.warn(\"The guessNoteNumber() method has been deprecated. Use Utilities.guessNoteNumber() instead.\"),Utilities.guessNoteNumber(e,this.octaveOffset)}getValidNoteArray(e,t={}){return this.validation&&console.warn(\"The getValidNoteArray() method has been moved to the Utilities.buildNoteArray()\"),Utilities.buildNoteArray(e,t)}convertToTimestamp(e){return this.validation&&console.warn(\"The convertToTimestamp() method has been moved to Utilities.toTimestamp().\"),Utilities.toTimestamp(e)}async _destroyInputsAndOutputs(){let e=[];return this.inputs.forEach(t=>e.push(t.destroy())),this.outputs.forEach(t=>e.push(t.destroy())),Promise.all(e).then(()=>{this._inputs=[],this._outputs=[]})}_onInterfaceStateChange(e){this._updateInputsAndOutputs();let t={timestamp:e.timeStamp,type:e.port.state,target:this};if(\"connected\"===e.port.state&&\"open\"===e.port.connection){\"output\"===e.port.type?t.port=this.getOutputById(e.port.id):\"input\"===e.port.type&&(t.port=this.getInputById(e.port.id)),this.emit(e.port.state,t);const n=Object.assign({},t);n.type=\"portschanged\",this.emit(n.type,n)}else if(\"disconnected\"===e.port.state&&\"pending\"===e.port.connection){\"input\"===e.port.type?t.port=this.getInputById(e.port.id,{disconnected:!0}):\"output\"===e.port.type&&(t.port=this.getOutputById(e.port.id,{disconnected:!0})),this.emit(e.port.state,t);const n=Object.assign({},t);n.type=\"portschanged\",this.emit(n.type,n)}}async _updateInputsAndOutputs(){return Promise.all([this._updateInputs(),this._updateOutputs()])}async _updateInputs(){if(!this.interface)return;for(let e=this._inputs.length-1;e>=0;e--){const t=this._inputs[e];Array.from(this.interface.inputs.values()).find(e=>e===t._midiInput)||(this._disconnectedInputs.push(t),this._inputs.splice(e,1))}let e=[];return this.interface.inputs.forEach(t=>{if(!this._inputs.find(e=>e._midiInput===t)){let n=this._disconnectedInputs.find(e=>e._midiInput===t);n||(n=new Input(t)),this._inputs.push(n),e.push(n.open())}}),Promise.all(e)}async _updateOutputs(){if(!this.interface)return;for(let e=this._outputs.length-1;e>=0;e--){const t=this._outputs[e];Array.from(this.interface.outputs.values()).find(e=>e===t._midiOutput)||(this._disconnectedOutputs.push(t),this._outputs.splice(e,1))}let e=[];return this.interface.outputs.forEach(t=>{if(!this._outputs.find(e=>e._midiOutput===t)){let n=this._disconnectedOutputs.find(e=>e._midiOutput===t);n||(n=new Output(t)),this._outputs.push(n),e.push(n.open())}}),Promise.all(e)}get enabled(){return null!==this.interface}get inputs(){return this._inputs}get isNode(){return this.validation&&console.warn(\"WebMidi.isNode has been deprecated. Use Utilities.isNode instead.\"),Utilities.isNode}get isBrowser(){return this.validation&&console.warn(\"WebMidi.isBrowser has been deprecated. Use Utilities.isBrowser instead.\"),Utilities.isBrowser}get octaveOffset(){return this._octaveOffset}set octaveOffset(e){if(this.validation&&(e=parseInt(e),isNaN(e)))throw new TypeError(\"The 'octaveOffset' property must be an integer.\");this._octaveOffset=e}get outputs(){return this._outputs}get supported(){return\"undefined\"!=typeof navigator&&!!navigator.requestMIDIAccess}get sysexEnabled(){return!(!this.interface||!this.interface.sysexEnabled)}get time(){return performance.now()}get version(){return\"3.1.12\"}get flavour(){return\"cjs\"}get CHANNEL_EVENTS(){return this.validation&&console.warn(\"The CHANNEL_EVENTS enum has been moved to Enumerations.CHANNEL_EVENTS.\"),Enumerations.CHANNEL_EVENTS}get MIDI_SYSTEM_MESSAGES(){return this.validation&&console.warn(\"The MIDI_SYSTEM_MESSAGES enum has been moved to Enumerations.SYSTEM_MESSAGES.\"),Enumerations.SYSTEM_MESSAGES}get MIDI_CHANNEL_MODE_MESSAGES(){return this.validation&&console.warn(\"The MIDI_CHANNEL_MODE_MESSAGES enum has been moved to Enumerations.CHANNEL_MODE_MESSAGES.\"),Enumerations.CHANNEL_MODE_MESSAGES}get MIDI_CONTROL_CHANGE_MESSAGES(){return this.validation&&console.warn(\"The MIDI_CONTROL_CHANGE_MESSAGES enum has been replaced by the Enumerations.CONTROL_CHANGE_MESSAGES array.\"),Enumerations.MIDI_CONTROL_CHANGE_MESSAGES}get MIDI_REGISTERED_PARAMETER(){return this.validation&&console.warn(\"The MIDI_REGISTERED_PARAMETER enum has been moved to Enumerations.REGISTERED_PARAMETERS.\"),Enumerations.REGISTERED_PARAMETERS}get NOTES(){return this.validation&&console.warn(\"The NOTES enum has been deprecated.\"),[\"C\",\"C#\",\"D\",\"D#\",\"E\",\"F\",\"F#\",\"G\",\"G#\",\"A\",\"A#\",\"B\"]}}const wm=new WebMidi;wm.constructor=null,exports.Enumerations=Enumerations,exports.Forwarder=Forwarder,exports.Input=Input,exports.InputChannel=InputChannel,exports.Message=Message,exports.Note=Note,exports.Output=Output,exports.OutputChannel=OutputChannel,exports.Utilities=Utilities,exports.WebMidi=wm;\n//# 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\ No newline at end of file
diff --git a/client/index.js b/client/index.js
index 7d1bd55..38d9b78 100644
--- a/client/index.js
+++ b/client/index.js
@@ -10,10 +10,10 @@ import color from "./lib/color";
 import kalimba from "./lib/kalimba";
 import sampler from "./lib/sampler";
 import organ from "./lib/organ";
+import midi from "./lib/midi";
 import { getOutput } from "./lib/output";
 import { browser, requestAudioContext, choice, roundFreq } from "./lib/util";
 import { PRIMES } from "./lib/primes";
-// import life from "./lib/life";
 
 let instrument = kalimba;
 
@@ -33,6 +33,7 @@ let notes = [];
 let base_x = 0;
 let base_y = 0;
 let is_split = false;
+let frequencies;
 
 requestAudioContext(() => {
   const output = getOutput();
@@ -56,11 +57,26 @@ function build() {
       notes[i][j] = add(i, j);
     }
   }
+  log();
 }
 function rebuild() {
   notes.forEach((row) => row.forEach((note) => note.destroy()));
   build();
 }
+function log() {
+  const seen = {};
+  for (let i = 0; i < 8; i++) {
+    for (let j = 0; j < 8; j++) {
+      const rounded = roundFreq(notes[i][j].frequency);
+      if (!seen[rounded]) {
+        seen[rounded] = notes[i][j].frequency;
+      }
+    }
+  }
+  frequencies = Object.values(seen).sort((a, b) => a - b);
+  console.log(frequencies);
+  console.log(frequencies.length, "unique frequencies in 8x8");
+}
 function play(freq) {
   if (!organ.isPlaying(freq.frequency)) {
     let frequency = freq.frequency;
@@ -82,6 +98,10 @@ function play(freq) {
 function trigger(freq) {
   instrument.play(freq.frequency);
 }
+function trigger_index(index) {
+  const frequency = frequencies[index];
+  instrument.play(frequency);
+}
 function pause(freq) {
   organ.pause(freq.frequency);
   const rounded = roundFreq(freq.frequency);
@@ -250,7 +270,6 @@ function bind() {
 }
 
 function keydown(e) {
-  // console.log(e.keyCode)
   if (e.altKey || e.ctrlKey || e.metaKey) return;
   let step = 1;
   if (e.shiftKey) {
@@ -273,20 +292,11 @@ function keydown(e) {
       base_y += step;
       rebuild();
       break;
+    case 220: // \
+      midi.enable(trigger_index);
+      break;
   }
 }
 window.addEventListener("keydown", keydown, true);
 
-keys.listen(function (index) {
-  index += 7;
-  const x = index % 7;
-  const y = Math.floor(index / 7);
-  const a = x;
-  const b = y + 1;
-  const freq = notes[a][b];
-  console.log(a / b, freq.frequency);
-  trigger(freq);
-  // const freq = scales.current().index(index)
-  // document.body.style.backgroundColor = color( index / scales.current().scale.length )
-  // instrument.toggle(freq)
-});
+keys.listen(trigger_index);
diff --git a/client/lib/keys.js b/client/lib/keys.js
index 84f8103..687517f 100644
--- a/client/lib/keys.js
+++ b/client/lib/keys.js
@@ -38,7 +38,6 @@ function keydown(e) {
   if (!(e.keyCode in keys)) return;
   var index = keys[e.keyCode];
   if (e.shiftKey) index += letters.length;
-  index -= 7;
   callback(index);
 }
 
diff --git a/client/lib/midi.js b/client/lib/midi.js
new file mode 100644
index 0000000..06cb266
--- /dev/null
+++ b/client/lib/midi.js
@@ -0,0 +1,33 @@
+/**
+ * MIDI
+ * @module midi.js;
+ */
+
+import { WebMidi } from "webmidi";
+
+function enable(play) {
+  WebMidi.enable()
+    .then(onEnabled)
+    .catch((error) => console.error(error));
+
+  // Function triggered when WEBMIDI.js is ready
+  function onEnabled() {
+    // Display available MIDI input devices
+    if (WebMidi.inputs.length < 1) {
+      console.log("No device detected.");
+      return;
+    } else {
+      WebMidi.inputs.forEach((device, index) => {
+        document.body.innerHTML += `${index}: ${device.name} <br>`;
+      });
+      const mySynth = WebMidi.inputs[0];
+      // const mySynth = WebMidi.getInputByName("TYPE NAME HERE!")
+
+      mySynth.channels[1].addListener("noteon", (event) => {
+        console.log(event.note);
+      });
+    }
+  }
+}
+
+export default { enable };
diff --git a/local-proxy.json b/local-proxy.json
new file mode 100644
index 0000000..2362650
--- /dev/null
+++ b/local-proxy.json
@@ -0,0 +1,9 @@
+{
+  "triangle": {
+    "hostname": "localhost",
+    "key": "./.creds/localhost-key.pem",
+    "cert": "./.creds/localhost.pem",
+    "source": 6006,
+    "target": 8000
+  }
+}
diff --git a/package.json b/package.json
index d08097b..5541dcb 100644
--- a/package.json
+++ b/package.json
@@ -5,7 +5,8 @@
   "main": "./client/index.js",
   "scripts": {
     "watch": "npx webpack",
-    "deploy": "rsync -avx . jules@lmno:asdf/triangle --exclude=\".*\" --exclude=\"node_modules\""
+    "deploy": "rsync -avx . jules@lmno:asdf/triangle --exclude=\".*\" --exclude=\"node_modules\"",
+    "ssl-proxy": "local-ssl-proxy --config ./local-proxy.json"
   },
   "author": "",
   "license": "UNLICENSED",
@@ -18,6 +19,8 @@
   },
   "dependencies": {
     "compute-gcd": "^1.2.1",
-    "tone": "^0.10.0"
+    "local-ssl-proxy": "^2.0.5",
+    "tone": "^0.10.0",
+    "webmidi": "^3.1.12"
   }
 }
diff --git a/yarn.lock b/yarn.lock
index 66e6868..03e5a35 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2,6 +2,16 @@
 # yarn lockfile v1
 
 
+"@babel/runtime@^7.20.6":
+  version "7.27.6"
+  resolved "https://registry.yarnpkg.com/@babel/runtime/-/runtime-7.27.6.tgz#ec4070a04d76bae8ddbb10770ba55714a417b7c6"
+  integrity sha512-vbavdySgbTTrmFE+EsiqUTzlOr5bzlnJtUv9PynGCAKvfQqjIXbvFdumPM/GxMDfyuGMJaJAU6TO4zc1Jf1i8Q==
+
+"@types/webmidi@^2.1.0":
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/@types/webmidi/-/webmidi-2.1.0.tgz#085ec7279a9c9c13453589db9ecebbcfa4bf771b"
+  integrity sha512-k898MjEUSHB+6rSeCPQk/kLgie0wgWZ2t78GlWj86HbTQ+XmtbBafYg5LNjn8bVHfItEhPGZPf579Xfc6keV6w==
+
 acorn-dynamic-import@^2.0.0:
   version "2.0.2"
   resolved "https://registry.yarnpkg.com/acorn-dynamic-import/-/acorn-dynamic-import-2.0.2.tgz#c752bd210bef679501b6c6cb7fc84f8f47158cc4"
@@ -41,6 +51,11 @@ align-text@^0.1.1, align-text@^0.1.3:
     longest "^1.0.1"
     repeat-string "^1.5.2"
 
+ansi-colors@^4.1.3:
+  version "4.1.3"
+  resolved "https://registry.yarnpkg.com/ansi-colors/-/ansi-colors-4.1.3.tgz#37611340eb2243e70cc604cad35d63270d48781b"
+  integrity sha512-/6w/C21Pm1A7aZitlI5Ni/2J6FFQN8i1Cvz3kHABAAbw93v/NlvKdVOqz7CCWz/3iv/JplRSEEZ83XION15ovw==
+
 ansi-regex@^2.0.0:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/ansi-regex/-/ansi-regex-2.1.1.tgz#c3b33ab5ee360d86e0e628f0468ae7ef27d654df"
@@ -1032,6 +1047,11 @@ collection-visit@^1.0.0:
     map-visit "^1.0.0"
     object-visit "^1.0.0"
 
+commander@^10.0.0:
+  version "10.0.1"
+  resolved "https://registry.yarnpkg.com/commander/-/commander-10.0.1.tgz#881ee46b4f77d1c1dccc5823433aa39b022cbe06"
+  integrity sha512-y4Mg2tXshplEbSGzx7amzPwKKOCGuoSRP/CjEdwwk0FOGlUbq6lKuoyDZTNZkmxHdJtp54hdfY/JUrdL7Xfdug==
+
 commondir@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/commondir/-/commondir-1.0.1.tgz#ddd800da0c66127393cca5950ea968a3aaf1253b"
@@ -1226,6 +1246,13 @@ diffie-hellman@^5.0.3:
     miller-rabin "^4.0.0"
     randombytes "^2.0.0"
 
+djipevents@^2.0.7:
+  version "2.0.7"
+  resolved "https://registry.yarnpkg.com/djipevents/-/djipevents-2.0.7.tgz#4805dcb8dcf0b4a2c6e51eaecdfc218bb8f202fb"
+  integrity sha512-KNFYaU85imxOCKOUsIR70Iz9E19r96/X7LSH+u0tSoZdpWcBdzoqtTsU+wuLhc6GMpSFob+KInkZAbfKi01Bjg==
+  dependencies:
+    "@babel/runtime" "^7.20.6"
+
 domain-browser@^1.1.1:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/domain-browser/-/domain-browser-1.2.0.tgz#3d31f50191a6749dd1375a7f522e823d42e54eda"
@@ -1319,6 +1346,11 @@ esutils@^2.0.2:
   resolved "https://registry.yarnpkg.com/esutils/-/esutils-2.0.3.tgz#74d2eb4de0b8da1293711910d50775b9b710ef64"
   integrity sha512-kVscqXk4OCp68SZ0dkgEKVi6/8ij300KBWTJq32P/dYeWTSwK41WyTxalN1eRmA5Z9UU/LX9D7FWSmV9SAYx6g==
 
+eventemitter3@^4.0.0:
+  version "4.0.7"
+  resolved "https://registry.yarnpkg.com/eventemitter3/-/eventemitter3-4.0.7.tgz#2de9b68f6528d5644ef5c59526a1b4a07306169f"
+  integrity sha512-8guHBZCwKnFhYdHr2ysuRWErTwhoN2X8XELRlrRwpmfeY2jjuUN4taQMsULKUVo1K4DvZl+0pgfyoysHxvmvEw==
+
 events@^3.0.0:
   version "3.3.0"
   resolved "https://registry.yarnpkg.com/events/-/events-3.3.0.tgz#31a95ad0a924e2d2c419a813aeb2c4e878ea7400"
@@ -1420,6 +1452,11 @@ find-up@^2.1.0:
   dependencies:
     locate-path "^2.0.0"
 
+follow-redirects@^1.0.0:
+  version "1.15.9"
+  resolved "https://registry.yarnpkg.com/follow-redirects/-/follow-redirects-1.15.9.tgz#a604fa10e443bf98ca94228d9eebcc2e8a2c8ee1"
+  integrity sha512-gew4GsXizNgdoRyqmyfMHyAmXsZDk6mHkSxZFCzW9gwlbtOW44CDtYavM+y+72qD/Vq2l550kMF52DT8fOLJqQ==
+
 for-each@^0.3.5:
   version "0.3.5"
   resolved "https://registry.yarnpkg.com/for-each/-/for-each-0.3.5.tgz#d650688027826920feeb0af747ee7b9421a41d47"
@@ -1644,6 +1681,15 @@ hosted-git-info@^2.1.4:
   resolved "https://registry.yarnpkg.com/hosted-git-info/-/hosted-git-info-2.8.9.tgz#dffc0bf9a21c02209090f2aa69429e1414daf3f9"
   integrity sha512-mxIDAb9Lsm6DoOJ7xH+5+X4y1LU/4Hi50L9C5sIswK3JzULS4bwk1FvjdBgvYR4bzT4tuUQiC15FE2f5HbLvYw==
 
+http-proxy@^1.18.1:
+  version "1.18.1"
+  resolved "https://registry.yarnpkg.com/http-proxy/-/http-proxy-1.18.1.tgz#401541f0534884bbf95260334e72f88ee3976549"
+  integrity sha512-7mz/721AbnJwIVbnaSv1Cz3Am0ZLT/UBwkC92VlxhXv/k/BBQfM2fXElQNC27BVGr0uwUpplYPQM9LnaBMR5NQ==
+  dependencies:
+    eventemitter3 "^4.0.0"
+    follow-redirects "^1.0.0"
+    requires-port "^1.0.0"
+
 https-browserify@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/https-browserify/-/https-browserify-1.0.0.tgz#ec06c10e0a34c0f2faf199f7fd7fc78fffd03c73"
@@ -1848,6 +1894,11 @@ isobject@^3.0.0, isobject@^3.0.1:
   resolved "https://registry.yarnpkg.com/isobject/-/isobject-3.0.1.tgz#4e431e92b11a9731636aa1f9c8d1ccbcfdab78df"
   integrity sha512-WhB9zCku7EGTj/HQQRz5aUQEUeoQZH2bWcltRErOpymJ4boYE6wL9Tbr23krRPSZ+C5zqNSrSw+Cc7sZZ4b7vg==
 
+jazz-midi@^1.7.9:
+  version "1.7.9"
+  resolved "https://registry.yarnpkg.com/jazz-midi/-/jazz-midi-1.7.9.tgz#ad564e85acf12414aec7ef7d879ad61a5d7f6896"
+  integrity sha512-c8c4BBgwxdsIr1iVm53nadCrtH7BUlnX3V95ciK/gbvXN/ndE5+POskBalXgqlc/r9p2XUbdLTrgrC6fou5p9w==
+
 "js-tokens@^3.0.0 || ^4.0.0":
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-4.0.0.tgz#19203fb59991df98e3a287050d4647cdeaf32499"
@@ -1901,6 +1952,14 @@ jsonify@^0.0.1:
   resolved "https://registry.yarnpkg.com/jsonify/-/jsonify-0.0.1.tgz#2aa3111dae3d34a0f151c63f3a45d995d9420978"
   integrity sha512-2/Ki0GcmuqSrgFyelQq9M05y7PS0mEwuIzrf3f1fPqkVDVRvZrPZtVSMHxdgo8Aq0sxAOb/cr2aqqA3LeWHVPg==
 
+jzz@^1.8.5:
+  version "1.9.3"
+  resolved "https://registry.yarnpkg.com/jzz/-/jzz-1.9.3.tgz#4730d2cc38b9616d8b9bc394cdd8872e3108fc06"
+  integrity sha512-DXQ7xXuJzC4YxNbQZy9pfHC/DOXM6IHgceTXnkhk1/+lU/qDk8W9xUaNpgCH6t1QDQ9roz7FSVtFc0/JhYQFxg==
+  dependencies:
+    "@types/webmidi" "^2.1.0"
+    jazz-midi "^1.7.9"
+
 kind-of@^3.0.2, kind-of@^3.0.3, kind-of@^3.2.0:
   version "3.2.2"
   resolved "https://registry.yarnpkg.com/kind-of/-/kind-of-3.2.2.tgz#31ea21a734bab9bbb0f32466d893aea51e4a3c64"
@@ -1967,6 +2026,15 @@ loader-utils@^1.0.2:
     emojis-list "^3.0.0"
     json5 "^1.0.1"
 
+local-ssl-proxy@^2.0.5:
+  version "2.0.5"
+  resolved "https://registry.yarnpkg.com/local-ssl-proxy/-/local-ssl-proxy-2.0.5.tgz#792ad902a61c36a650f8c45b790e19765fd48a11"
+  integrity sha512-/oWxo8IX12HTVNWza+Ui1HNz7TfrNsVyD0+ZSyf5UZocJXdR70wfNb/xHgNfEPFyjgbsaRFdqFdfxg2d11aANQ==
+  dependencies:
+    ansi-colors "^4.1.3"
+    commander "^10.0.0"
+    http-proxy "^1.18.1"
+
 locate-path@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/locate-path/-/locate-path-2.0.0.tgz#2b568b265eec944c6d9c0de9c3dbbbca0354cd8e"
@@ -2601,6 +2669,11 @@ require-main-filename@^1.0.1:
   resolved "https://registry.yarnpkg.com/require-main-filename/-/require-main-filename-1.0.1.tgz#97f717b69d48784f5f526a6c5aa8ffdda055a4d1"
   integrity sha512-IqSUtOVP4ksd1C/ej5zeEh/BIP2ajqpn8c5x+q99gvcIG/Qf0cud5raVnE/Dwd0ua9TXYDoDc0RE5hBSdz22Ug==
 
+requires-port@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/requires-port/-/requires-port-1.0.0.tgz#925d2601d39ac485e091cf0da5c6e694dc3dcaff"
+  integrity sha512-KigOCHcocU3XODJxsu8i/j8T9tzT4adHiecwORRQ0ZZFcp7ahwXuRU1m+yuO90C5ZUyGeGfocHDI14M3L3yDAQ==
+
 resolve-url@^0.2.1:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/resolve-url/-/resolve-url-0.2.1.tgz#2c637fe77c893afd2a663fe21aa9080068e2052a"
@@ -3155,6 +3228,15 @@ watchpack@^1.3.1:
     chokidar "^3.4.1"
     watchpack-chokidar2 "^2.0.1"
 
+webmidi@^3.1.12:
+  version "3.1.12"
+  resolved "https://registry.yarnpkg.com/webmidi/-/webmidi-3.1.12.tgz#448f2faf35a537b30cc2caf2aa22b5503d7fd719"
+  integrity sha512-X1lACggXm2BxuAPdx5wleh8S2kygduHbtR2ti5sGhivLkX6Muv/sLAYmPuIaNLOUddyxr71+3tsq8m5dKXoT4A==
+  dependencies:
+    djipevents "^2.0.7"
+  optionalDependencies:
+    jzz "^1.8.5"
+
 webpack-sources@^1.0.1:
   version "1.4.3"
   resolved "https://registry.yarnpkg.com/webpack-sources/-/webpack-sources-1.4.3.tgz#eedd8ec0b928fbf1cbfe994e22d2d890f330a933"