7edo: Difference between revisions
Wikispaces>JosephRuhf **Imported revision 597431354 - Original comment: ** |
Wikispaces>JosephRuhf **Imported revision 597467012 - Original comment: ** |
||
Line 1: | Line 1: | ||
<h2>IMPORTED REVISION FROM WIKISPACES</h2> | <h2>IMPORTED REVISION FROM WIKISPACES</h2> | ||
This is an imported revision from Wikispaces. The revision metadata is included below for reference:<br> | This is an imported revision from Wikispaces. The revision metadata is included below for reference:<br> | ||
: This revision was by author [[User:JosephRuhf|JosephRuhf]] and made on <tt>2016-10-29 | : This revision was by author [[User:JosephRuhf|JosephRuhf]] and made on <tt>2016-10-29 22:31:46 UTC</tt>.<br> | ||
: The original revision id was <tt> | : The original revision id was <tt>597467012</tt>.<br> | ||
: The revision comment was: <tt></tt><br> | : The revision comment was: <tt></tt><br> | ||
The revision contents are below, presented both in the original Wikispaces Wikitext format, and in HTML exactly as Wikispaces rendered it.<br> | The revision contents are below, presented both in the original Wikispaces Wikitext format, and in HTML exactly as Wikispaces rendered it.<br> | ||
Line 29: | Line 29: | ||
|| **Interval** || **Interval** | || **Interval** || **Interval** | ||
**size** | **size** | ||
**in ¢, DMS** || **Closest** | **in ¢ (coarse, fine), DMS** || **Closest** | ||
**diatonic** | **diatonic** | ||
**interval name** || **The "neighborhood" of just intervals** || | **interval name** || **The "neighborhood" of just intervals** || | ||
|| 0 || 0.0 || unison / prime || exactly 1/1 || | || 0 || 0.0, 0° || unison / prime || exactly 1/1 || | ||
|| 1 || 171.429, | || 1 || 171.429, 205.714, 51°25'43" || second || 6.424 c (coarse), 7.709 c (fine), 1°55'38" from Ptolemy (neutral) second 11/10 | ||
51°25'43" || second || 6.424 c, 1°55'38" from Ptolemy (neutral) second 11/10 | 3.215 c (coarse), 3.8585 c (fine), 57'53" from second 54/49 | ||
3.215 c, 57'53" from second 54/49 | -1.006 c (coarse), -1.207 c (fine), -18'6" from the 29th subharmonic 32/29 | ||
-10. | -10.975<span style="line-height: 1.5;"> c (coarse), -13.17 c (fine), -3°17'33" from (Didymus) major second (small whole tone) 10/9</span> || | ||
|| 2 || 342.857, | || 2 || 342.857, 411.429, | ||
102°51'26" || third || -4.551 c, -1°21'55" from neutral third 11/9 || | 102°51'26" || third || -4.551 c (coarse), -5.461 c (fine), -1°21'55" from neutral third 11/9 || | ||
|| 3 || 514.286, | || 3 || 514.286, 617.143, | ||
154°17'9" || fourth || 16.241 c, 4°52'20" from just fourth 4/3 (498.045 c) | 154°17'9" || fourth || 16.241 c (coarse), 19.489 c (fine), 4°52'20" from just fourth 4/3 (498.045 c coarse, 597.654 c fine) | ||
-5.265 c, -1°34'47" from wide fourth 27/20 || | -5.265 c (coarse), -6.319 c (fine), -1°34'47" from wide fourth 27/20 || | ||
|| 4 || 685.714, | || 4 || 685.714, 822.857, | ||
205°42'51" || fifth || 5.265 c, 1°34'47" from narrow fifth 40/27 | 205°42'51" || fifth || 5.265 c (coarse), 6.319 c (fine), 1°34'47" from narrow fifth 40/27 | ||
-16.241 c<span style="line-height: 1.5;">, -4°52'20" from just fifth 3/2 (701.955 c)</span> || | -16.241 c (coarse), -19.489 c (fine)<span style="line-height: 1.5;">, -4°52'20" from just fifth 3/2 (701.955 c coarse, 842.346 c fine)</span> || | ||
|| 5 || 857.143, | || 5 || 857.143, 1028.571, | ||
257°8'34" || sixth || 4.551 c, 1°21'55" from neutral sixth 18/11 || | 257°8'34" || sixth || 4.551 c (coarse), 5.461 c (fine), 1°21'55" from neutral sixth 18/11 || | ||
|| 6 || 1028.571<span style="line-height: 1.5;">,</span> | || 6 || 1028.571<span style="line-height: 1.5;">, 1234.286,</span> | ||
<span style="line-height: 1.5;"> 308°34'17"</span> || seventh || 10.975 c, 3°17'33" from (Didymus) minor seventh 9/5 | <span style="line-height: 1.5;"> 308°34'17"1</span> || seventh || 10.975 c (coarse), 13.17 c (fine), 3°17'33" from (Didymus) minor seventh 9/5 | ||
-6. | -6.424 c (coarse), -7.709 c (fine), -1°55'38" from neutral seventh 20/11 | ||
1.006 c, 18'6" from the 29th harmonic 29/16 | 1.006 c (coarse), 1.207 c (fine), 18'6" from the 29th harmonic 29/16 | ||
-3. | -3.215 c (coarse), -3.8585 c (fine), -57'53" from seventh 49/27 || | ||
|| 7 (0) || 1200.0, 360º || eighth || exactly 2/1 || | || 7 (0) || 1200.0, 360º || eighth || exactly 2/1 || | ||
Line 72: | Line 72: | ||
=Alphabet= | =Alphabet= | ||
William | William Lynch proposes using numbers 1 through 7 as the nominals of 7 ET with # signs being possible to expand to 14 EDO or even 21 EDO. | ||
The alphabet can be written in three ways: | The alphabet can be written in three ways: | ||
Plain numbers: 1 2 3 4 5 6 7 | Plain numbers: 1 2 3 4 5 6 7 | ||
Line 94: | Line 94: | ||
=Commas= | =Commas= | ||
7 EDO tempers out the following commas. (Note: This assumes val < [[tel | 7 EDO tempers out the following commas. (Note: This assumes val < [[tel/7 11 16 20 24 26|7 11 16 20 24 26]] |.) | ||
||~ Comma ||~ Monzo ||~ Cents ||~ Name 1 ||~ Name 2 ||~ Name 3 || | ||~ Comma ||~ Monzo ||~ Cents ||~ Name 1 ||~ Name 2 ||~ Name 3 || | ||
Line 103: | Line 103: | ||
||= 20000/19683 || | 5 -9 4 > ||> 27.66 ||= Minimal Disease ||= Tricot Comma ||= || | ||= 20000/19683 || | 5 -9 4 > ||> 27.66 ||= Minimal Disease ||= Tricot Comma ||= || | ||
||= 81/80 || | -4 4 -1 > ||> 21.51 ||= Syntonic Comma ||= Didymos Comma ||= Meantone Comma || | ||= 81/80 || | -4 4 -1 > ||> 21.51 ||= Syntonic Comma ||= Didymos Comma ||= Meantone Comma || | ||
||= | ||= || | 9 -13 5 > ||> 6.15 ||= Amity Comma ||= ||= || | ||
||= 36/35 || | 2 2 -1 -1 > ||> 48.77 ||= Septimal Quarter Tone ||= ||= || | ||= 36/35 || | 2 2 -1 -1 > ||> 48.77 ||= Septimal Quarter Tone ||= ||= || | ||
||= 525/512 || | -9 1 2 1 > ||> 43.41 ||= Avicenna ||= Avicenna's Enharmonic Diesis ||= || | ||= 525/512 || | -9 1 2 1 > ||> 43.41 ||= Avicenna ||= Avicenna's Enharmonic Diesis ||= || | ||
Line 111: | Line 111: | ||
||= 6144/6125 || | 11 1 -3 -2 > ||> 5.36 ||= Cornwell ||= ||= || | ||= 6144/6125 || | 11 1 -3 -2 > ||> 5.36 ||= Cornwell ||= ||= || | ||
||= 4375/4374 || | -1 -7 4 1 > ||> 0.40 ||= Ragisma ||= ||= || | ||= 4375/4374 || | -1 -7 4 1 > ||> 0.40 ||= Ragisma ||= ||= || | ||
||= | ||= || | 47 -7 -7 -7 > ||> 0.34 ||= Akj Sma ||= 5\7 Octave Comma ||= || | ||
||= 100/99 || | 2 -2 2 0 -1 > ||> 17.40 ||= Ptolemies ||= ||= || | ||= 100/99 || | 2 -2 2 0 -1 > ||> 17.40 ||= Ptolemies ||= ||= || | ||
||= 121/120 || | -3 -1 -1 0 2 > ||> 14.37 ||= Batista ||= ||= || | ||= 121/120 || | -3 -1 -1 0 2 > ||> 14.37 ||= Batista ||= ||= || | ||
Line 151: | Line 151: | ||
<td><strong>Interval</strong><br /> | <td><strong>Interval</strong><br /> | ||
<strong>size</strong><br /> | <strong>size</strong><br /> | ||
<strong>in ¢, DMS</strong><br /> | <strong>in ¢ (coarse, fine), DMS</strong><br /> | ||
</td> | </td> | ||
<td><strong>Closest</strong><br /> | <td><strong>Closest</strong><br /> | ||
Line 163: | Line 163: | ||
<td>0<br /> | <td>0<br /> | ||
</td> | </td> | ||
<td>0.0<br /> | <td>0.0, 0°<br /> | ||
</td> | </td> | ||
<td>unison / prime<br /> | <td>unison / prime<br /> | ||
Line 173: | Line 173: | ||
<td>1<br /> | <td>1<br /> | ||
</td> | </td> | ||
<td>171.429, | <td>171.429, 205.714, 51°25'43&quot;<br /> | ||
51°25'43&quot;<br /> | |||
</td> | </td> | ||
<td>second<br /> | <td>second<br /> | ||
</td> | </td> | ||
<td>6.424 c, 1°55'38&quot; from Ptolemy (neutral) second 11/10<br /> | <td>6.424 c (coarse), 7.709 c (fine), 1°55'38&quot; from Ptolemy (neutral) second 11/10<br /> | ||
3.215 c, 57'53&quot; from second 54/49<br /> | 3.215 c (coarse), 3.8585 c (fine), 57'53&quot; from second 54/49<br /> | ||
-10. | -1.006 c (coarse), -1.207 c (fine), -18'6&quot; from the 29th subharmonic 32/29<br /> | ||
-10.975<span style="line-height: 1.5;"> c (coarse), -13.17 c (fine), -3°17'33&quot; from (Didymus) major second (small whole tone) 10/9</span><br /> | |||
</td> | </td> | ||
</tr> | </tr> | ||
Line 186: | Line 186: | ||
<td>2<br /> | <td>2<br /> | ||
</td> | </td> | ||
<td>342.857,<br /> | <td>342.857, 411.429,<br /> | ||
102°51'26&quot;<br /> | 102°51'26&quot;<br /> | ||
</td> | </td> | ||
<td>third<br /> | <td>third<br /> | ||
</td> | </td> | ||
<td>-4.551 c, -1°21'55&quot; from neutral third 11/9<br /> | <td>-4.551 c (coarse), -5.461 c (fine), -1°21'55&quot; from neutral third 11/9<br /> | ||
</td> | </td> | ||
</tr> | </tr> | ||
Line 197: | Line 197: | ||
<td>3<br /> | <td>3<br /> | ||
</td> | </td> | ||
<td>514.286,<br /> | <td>514.286, 617.143,<br /> | ||
154°17'9&quot;<br /> | 154°17'9&quot;<br /> | ||
</td> | </td> | ||
<td>fourth<br /> | <td>fourth<br /> | ||
</td> | </td> | ||
<td>16.241 c, 4°52'20&quot; from just fourth 4/3 (498.045 c)<br /> | <td>16.241 c (coarse), 19.489 c (fine), 4°52'20&quot; from just fourth 4/3 (498.045 c coarse, 597.654 c fine)<br /> | ||
-5.265 c, -1°34'47&quot; from wide fourth 27/20<br /> | -5.265 c (coarse), -6.319 c (fine), -1°34'47&quot; from wide fourth 27/20<br /> | ||
</td> | </td> | ||
</tr> | </tr> | ||
Line 209: | Line 209: | ||
<td>4<br /> | <td>4<br /> | ||
</td> | </td> | ||
<td>685.714,<br /> | <td>685.714, 822.857,<br /> | ||
205°42'51&quot;<br /> | 205°42'51&quot;<br /> | ||
</td> | </td> | ||
<td>fifth<br /> | <td>fifth<br /> | ||
</td> | </td> | ||
<td>5.265 c, 1°34'47&quot; from narrow fifth 40/27<br /> | <td>5.265 c (coarse), 6.319 c (fine), 1°34'47&quot; from narrow fifth 40/27<br /> | ||
-16.241 c<span style="line-height: 1.5;">, -4°52'20&quot; from just fifth 3/2 (701.955 c)</span><br /> | -16.241 c (coarse), -19.489 c (fine)<span style="line-height: 1.5;">, -4°52'20&quot; from just fifth 3/2 (701.955 c coarse, 842.346 c fine)</span><br /> | ||
</td> | </td> | ||
</tr> | </tr> | ||
Line 221: | Line 221: | ||
<td>5<br /> | <td>5<br /> | ||
</td> | </td> | ||
<td>857.143,<br /> | <td>857.143, 1028.571,<br /> | ||
257°8'34&quot;<br /> | 257°8'34&quot;<br /> | ||
</td> | </td> | ||
<td>sixth<br /> | <td>sixth<br /> | ||
</td> | </td> | ||
<td>4.551 c, 1°21'55&quot; from neutral sixth 18/11<br /> | <td>4.551 c (coarse), 5.461 c (fine), 1°21'55&quot; from neutral sixth 18/11<br /> | ||
</td> | </td> | ||
</tr> | </tr> | ||
Line 232: | Line 232: | ||
<td>6<br /> | <td>6<br /> | ||
</td> | </td> | ||
<td>1028.571<span style="line-height: 1.5;">,</span><br /> | <td>1028.571<span style="line-height: 1.5;">, 1234.286,</span><br /> | ||
<span style="line-height: 1.5;"> 308°34'17&quot;</span><br /> | <span style="line-height: 1.5;"> 308°34'17&quot;1</span><br /> | ||
</td> | </td> | ||
<td>seventh<br /> | <td>seventh<br /> | ||
</td> | </td> | ||
<td>10.975 c, 3°17'33&quot; from (Didymus) minor seventh 9/5<br /> | <td>10.975 c (coarse), 13.17 c (fine), 3°17'33&quot; from (Didymus) minor seventh 9/5<br /> | ||
-6. | -6.424 c (coarse), -7.709 c (fine), -1°55'38&quot; from neutral seventh 20/11<br /> | ||
1.006 c, 18'6&quot; from the 29th harmonic 29/16<br /> | 1.006 c (coarse), 1.207 c (fine), 18'6&quot; from the 29th harmonic 29/16<br /> | ||
-3. | -3.215 c (coarse), -3.8585 c (fine), -57'53&quot; from seventh 49/27<br /> | ||
</td> | </td> | ||
</tr> | </tr> | ||
Line 272: | Line 272: | ||
<br /> | <br /> | ||
<!-- ws:start:WikiTextHeadingRule:16:&lt;h1&gt; --><h1 id="toc7"><a name="Alphabet"></a><!-- ws:end:WikiTextHeadingRule:16 -->Alphabet</h1> | <!-- ws:start:WikiTextHeadingRule:16:&lt;h1&gt; --><h1 id="toc7"><a name="Alphabet"></a><!-- ws:end:WikiTextHeadingRule:16 -->Alphabet</h1> | ||
William | William Lynch proposes using numbers 1 through 7 as the nominals of 7 ET with # signs being possible to expand to 14 EDO or even 21 EDO.<br /> | ||
The alphabet can be written in three ways:<br /> | The alphabet can be written in three ways:<br /> | ||
Plain numbers: 1 2 3 4 5 6 7<br /> | Plain numbers: 1 2 3 4 5 6 7<br /> | ||
Line 389: | Line 389: | ||
</tr> | </tr> | ||
<tr> | <tr> | ||
<td style="text-align: center;"> | <td style="text-align: center;"><br /> | ||
</td> | </td> | ||
<td>| 9 -13 5 &gt;<br /> | <td>| 9 -13 5 &gt;<br /> | ||
Line 501: | Line 501: | ||
</tr> | </tr> | ||
<tr> | <tr> | ||
<td style="text-align: center;"> | <td style="text-align: center;"><br /> | ||
</td> | </td> | ||
<td>| 47 -7 -7 -7 &gt;<br /> | <td>| 47 -7 -7 -7 &gt;<br /> |