diff options
Diffstat (limited to 'index.html')
| -rw-r--r-- | index.html | 38 |
1 files changed, 23 insertions, 15 deletions
@@ -202,7 +202,7 @@ font-size: 20px; height: 100%; } - u { + .mode { cursor: pointer; } </style> @@ -299,28 +299,28 @@ <h2>scales</h2> - <p>Alternate scales are accessed by pressing the +/- keys:</p> + <p>Alternate scales are accessed by pressing the +/- keys.</p> <tableContainer> <table> <tr> - <td>natural</td> + <td class="mode" name="natural">natural</td> <td>Natural numbers: 1, 2, 3 ...</td> </tr> <tr> - <td>undertone</td> + <td class="mode" name="undertone">undertone</td> <td>Subharmonic intervals under the line 1/1</td> </tr> <tr> - <td>overtone</td> + <td class="mode" name="overtone">overtone</td> <td>Harmonic intervals above the line 1/1</td> </tr> <tr> - <td>primes</td> + <td class="mode" name="primes">primes</td> <td>Prime numbers only (most dissonant)</td> </tr> <tr> - <td>arithmetic</td> + <td class="mode" name="arithmetic">arithmetic</td> <td>Multiply all cells by an interval rather than scrolling</td> </tr> <!-- @@ -330,7 +330,14 @@ </tr> --> <tr> - <td>Collatz</td> + <td class="mode" name="hyperbolic">hyperbolic</td> + <td> + Change stride rather than scrolling. Denominator magnifies along + the 1/1 line, numerator emphasizes the hyperbolic extremes. + </td> + </tr> + <tr> + <td class="mode" name="collatz">Collatz</td> <td> <a href="https://en.wikipedia.org/wiki/Collatz_conjecture" @@ -341,7 +348,7 @@ </td> </tr> <tr> - <td>Pythagorean</td> + <td class="mode" name="pythagorean">Pythagorean</td> <td> <a href="https://en.wikipedia.org/wiki/Pythagorean_interval" @@ -437,12 +444,13 @@ <p> The musical Circle of Fifths, derived from repeatedly stacking the 3:2 proportion, can be studied in more detail in this program's - <u id="pythagorean">Pythagorean</u> scale mode, where each ratio is a - power of 2 or 3. Similar notes can be found by color and compared. One - can easily hear how stacked fifths overshoot the octave by finding two - far-apart red notes and playing both at once, which makes them beat - against each other. This interval is the "syntonic comma" which is - averaged out in various keyboard tuning systems. + <u class="mode" name="pythagorean">Pythagorean</u> scale mode, where + each ratio is a power of 2 or 3. Similar notes can be found by color + and compared. One can easily hear how stacked fifths overshoot the + octave by finding two far-apart red notes and playing both at once, + which makes them beat against each other. This interval is the + "syntonic comma" which is averaged out in various keyboard tuning + systems. </p> <p> |