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<style>
.note {
color: #339;
text-decoration: underline;
cursor: pointer;
}
* {
cursor: default;
}
pre {
white-space: pre-line;
}
</style>
<script type="text/scale" id="meantone-scl">
! meanquar.scl
!
1/4-comma meantone scale. Pietro Aaron's temperament (1523)
12
!
76.04900
193.15686
310.26471
5/4
503.42157
579.47057
696.57843
25/16
889.73529
1006.84314
1082.89214
2/1
</script>
<script type="text/scale" id="twelveet-scl">
! 12et.scl
!
12 equal temperament
12
!
100.
200.
300.
400.
500.
600.
700.
800.
900.
1000.
1100.
1200.
</script>
<pre>
<script src="intonation.js"></script>
<script>
var delim = "</span> <span>"
function write(s){ document.write("<span>" + (s || "") + "</span>\n") }
s = new Intonation({
intervals: '1/1 9/8 5/4 4/3 3/2 5/3 15/8 2/1',
})
write("original scale:")
write( s.range(0, 10).map(function(i){ return i.toFixed(0) }).join(delim) )
write("")
s = new Intonation({
root: 450,
intervals: '1/1 9/8 5/4 4/3 3/2 5/3 15/8 2/1',
})
write("root @ 450:")
write( s.range(0, 10).map(function(i){ return i.toFixed(0) }).join(delim) )
write("")
s = new Intonation({
tet: 5,
})
write("5-tet")
write( s.range(0, 6).map(function(i){ return i.toFixed(0) }).join(delim) )
write("")
s = new Intonation({
tet: 12,
})
write("12-tet")
write( s.range(0, 13).map(function(i){ return i.toFixed(0) }).join(delim) )
write("")
s = new Intonation({
scl: document.querySelector("#twelveet-scl").innerHTML
})
write("12-tet.scl:")
write( s.range(0, s.scale.length+1).map(function(i){ return i.toFixed(0) }).join(delim) )
write("")
s = new Intonation({
tet: 17,
})
write("17-tet")
write( s.range(0, 18).map(function(i){ return i.toFixed(0) }).join(delim) )
write("")
s = new Intonation({
intervals: '1/1 81/80 33/32 21/20 16/15 12/11 11/10 10/9 9/8 8/7 7/6 32/27 6/5 11/9 5/4 14/11 9/7 21/16 4/3 27/20 11/8 7/5 10/7 16/11 40/27 3/2 32/21 14/9 11/7 8/5 18/11 5/3 27/16 12/7 7/4 16/9 9/5 20/11 11/6 15/8 40/21 64/33 160/81 2/1',
})
write("partch:")
write( s.range(0, 44).map(function(i){ return i.toFixed(0) }).join(delim) )
write("")
s = new Intonation({
scl: document.querySelector("#meantone-scl").innerHTML
})
write("meantone.scl:")
write( s.range(0, s.scale.length+1).map(function(i){ return i.toFixed(0) }).join(delim) )
write("")
</script>
<script src="http://asdf.us/harp/js/vendor/Tone.min.js"></script>
<script>
polysynth = new Tone.PolySynth(8, Tone.synth)
polysynth.set({
oscillator: { type: "sine" },
envelope:{
attack: 0.01,
decay: 2.5,
sustain: 0.0,
release: 0.1,
}
})
var comp = new Tone.Compressor(-30, 3).toMaster()
polysynth.connect(comp)
Array.prototype.slice.apply( document.querySelectorAll("span") ).forEach(function(span){
if (! span.innerHTML.match(/[^0-9]/)) {
var f = parseInt(span.innerHTML)
span.classList.add("note")
span.addEventListener("click", function(){
polysynth.triggerAttackRelease(f, 1.5)
})
}
})
</script>
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