18edo: Difference between revisions
m →Theory |
precision unified, table syntax simplified, all monzos in comma table via template now |
||
| Line 25: | Line 25: | ||
The second way preserves the <u>harmonic</u> meaning of sharp/flat, major/minor and aug/dim, in that the former is always further fifthwards on the chain of fifths than the latter. Sharp is lower in pitch than flat, and major/aug is narrower than minor/dim. While this approach may seem bizarre at first, interval arithmetic and chord names work as usual. Furthermore, conventional 12edo music can be directly translated to 18edo "on the fly". | The second way preserves the <u>harmonic</u> meaning of sharp/flat, major/minor and aug/dim, in that the former is always further fifthwards on the chain of fifths than the latter. Sharp is lower in pitch than flat, and major/aug is narrower than minor/dim. While this approach may seem bizarre at first, interval arithmetic and chord names work as usual. Furthermore, conventional 12edo music can be directly translated to 18edo "on the fly". | ||
{| class="wikitable | {| class="wikitable center-all right-2" | ||
! Degree | ! Degree | ||
! Cents | ! Cents | ||
| Line 251: | Line 251: | ||
== Representations of Just Intervals == | == Representations of Just Intervals == | ||
{| class="wikitable" | {| class="wikitable center-all right-2" | ||
! Degree | ! Degree | ||
! Cents | ! Cents | ||
| Line 259: | Line 259: | ||
|- | |- | ||
| 0 | | 0 | ||
| 0. | | 0.000 | ||
| 1/1 | | 1/1 | ||
| 0 | | 0 | ||
| Line 265: | Line 265: | ||
|- | |- | ||
| 1 | | 1 | ||
| 66. | | 66.667 | ||
| 27/26 | | 27/26 | ||
| +1.329 | | +1.329 | ||
| Line 271: | Line 271: | ||
|- | |- | ||
| 2 | | 2 | ||
| 133. | | 133.333 | ||
| 27/25 | | 27/25 | ||
| +0.096 | | +0.096 | ||
| Line 277: | Line 277: | ||
|- | |- | ||
| 3 | | 3 | ||
| 200 | | 200.000 | ||
| 9/8 | | 9/8 | ||
| -3.910 | | -3.910 | ||
| Line 283: | Line 283: | ||
|- | |- | ||
| 4 | | 4 | ||
| 266. | | 266.667 | ||
| 7/6 | | 7/6 | ||
| -0.204 | | -0.204 | ||
| Line 289: | Line 289: | ||
|- | |- | ||
| 5 | | 5 | ||
| 333. | | 333.333 | ||
| 17/14 or 40/33 | | 17/14 or 40/33 | ||
| -2.796 +0.293 | | -2.796 +0.293 | ||
| Line 295: | Line 295: | ||
|- | |- | ||
| 6 | | 6 | ||
| 400 | | 400.000 | ||
| 5/4 or 44/35 | | 5/4 or 44/35 | ||
| +13.686 +3.822 | | +13.686 +3.822 | ||
| Line 301: | Line 301: | ||
|- | |- | ||
| 7 | | 7 | ||
| 466. | | 466.667 | ||
| 21/16 | | 21/16 | ||
| -4.114 | | -4.114 | ||
| Line 307: | Line 307: | ||
|- | |- | ||
| 8 | | 8 | ||
| 533. | | 533.333 | ||
| 15/11 | | 15/11 | ||
| -3.617 | | -3.617 | ||
| Line 313: | Line 313: | ||
|- | |- | ||
| 9 | | 9 | ||
| 600 | | 600.000 | ||
| 17/12 or 24/17 | | 17/12 or 24/17 | ||
| -3.000 +3.000 | | -3.000 +3.000 | ||
| Line 319: | Line 319: | ||
|- | |- | ||
| 10 | | 10 | ||
| 666. | | 666.667 | ||
| 22/15 | | 22/15 | ||
| +3.617 | | +3.617 | ||
| Line 325: | Line 325: | ||
|- | |- | ||
| 11 | | 11 | ||
| 733. | | 733.333 | ||
| 32/21 | | 32/21 | ||
| +4.114 | | +4.114 | ||
| Line 331: | Line 331: | ||
|- | |- | ||
| 12 | | 12 | ||
| 800 | | 800.000 | ||
| 8/5 or 35/22 | | 8/5 or 35/22 | ||
| -13.686 -3.822 | | -13.686 -3.822 | ||
| Line 337: | Line 337: | ||
|- | |- | ||
| 13 | | 13 | ||
| 866. | | 866.667 | ||
| 28/17 or 33/20 | | 28/17 or 33/20 | ||
| +2.796 -0.293 | | +2.796 -0.293 | ||
| Line 343: | Line 343: | ||
|- | |- | ||
| 14 | | 14 | ||
| 933. | | 933.333 | ||
| 12/7 | | 12/7 | ||
| +0.204 | | +0.204 | ||
| Line 349: | Line 349: | ||
|- | |- | ||
| 15 | | 15 | ||
| 1000 | | 1000.000 | ||
| 16/9 | | 16/9 | ||
| +3.910 | | +3.910 | ||
| Line 355: | Line 355: | ||
|- | |- | ||
| 16 | | 16 | ||
| 1066. | | 1066.667 | ||
| 50/27 | | 50/27 | ||
| -0.096 | | -0.096 | ||
| Line 361: | Line 361: | ||
|- | |- | ||
| 17 | | 17 | ||
| 1133. | | 1133.333 | ||
| 52/27 | | 52/27 | ||
| -1.329 | | -1.329 | ||
| Line 367: | Line 367: | ||
|- | |- | ||
| 18 | | 18 | ||
| 1200 | | 1200.000 | ||
| 2/1 | | 2/1 | ||
| 0 | | 0 | ||
| Line 380: | Line 380: | ||
18 EDO [[tempering out|tempers out]] the following [[Comma|commas]]. (Note: This assumes the [[val]] < 18 29 42 51 62 67 |.) | 18 EDO [[tempering out|tempers out]] the following [[Comma|commas]]. (Note: This assumes the [[val]] < 18 29 42 51 62 67 |.) | ||
{| class="wikitable | {| class="wikitable center-all left-2 right-3" | ||
! [[Ratio]] | ! [[Ratio]] | ||
! [[Monzo]] | ! [[Monzo]] | ||
| Line 389: | Line 389: | ||
|- | |- | ||
| 128/125 | | 128/125 | ||
| | | {{Monzo| 7 0 -3 }} | ||
| 41.06 | |||
| Trigu | | Trigu | ||
| Diesis | | Diesis | ||
| Augmented Comma | | Augmented Comma | ||
|- | |- | ||
| ??? | |||
| | | {{Monzo| 23 6 -14 }} | ||
| 3.34 | |||
| Sasa-sepbigu | | Sasa-sepbigu | ||
| Vishnuzma | | Vishnuzma | ||
| Line 403: | Line 403: | ||
|- | |- | ||
| 50/49 | | 50/49 | ||
| | | {{Monzo| 1 0 2 -2 }} | ||
| 34.98 | |||
| Biruyo | | Biruyo | ||
| Tritonic Diesis | | Tritonic Diesis | ||
| Line 410: | Line 410: | ||
|- | |- | ||
| 686/675 | | 686/675 | ||
| | | {{Monzo| 1 -3 -2 3 }} | ||
| 27.99 | |||
| Trizo-agugu | | Trizo-agugu | ||
| Senga | | Senga | ||
| Line 417: | Line 417: | ||
|- | |- | ||
| 875/864 | | 875/864 | ||
| {{Monzo| -5 -3 3 1 }} | |||
| 21.90 | |||
| Zotriyo | | Zotriyo | ||
| Keema | | Keema | ||
| Line 424: | Line 424: | ||
|- | |- | ||
| 1728/1715 | | 1728/1715 | ||
| {{Monzo| 6 3 -1 -3 }} | |||
| 13.07 | |||
| Triru-agu | | Triru-agu | ||
| Orwellisma | | Orwellisma | ||
| Line 431: | Line 431: | ||
|- | |- | ||
| 16875/16807 | | 16875/16807 | ||
| {{Monzo| 0 3 4 -5 }} | |||
| 6.99 | |||
| Quinru-aquadyo | | Quinru-aquadyo | ||
| Mirkwai | | Mirkwai | ||
| Line 438: | Line 438: | ||
|- | |- | ||
| 3136/3125 | | 3136/3125 | ||
| {{Monzo| 6 0 -5 2 }} | |||
| 6.08 | |||
| Zozoquingu | | Zozoquingu | ||
| Hemimean | | Hemimean | ||
| Line 445: | Line 445: | ||
|- | |- | ||
| 99/98 | | 99/98 | ||
| {{Monzo| -1 2 0 -2 1 }} | |||
| 17.58 | |||
| Loruru | | Loruru | ||
| Mothwellsma | | Mothwellsma | ||
| Line 452: | Line 452: | ||
|- | |- | ||
| 100/99 | | 100/99 | ||
| {{Monzo| 2 -2 2 0 -1 }} | |||
| 17.40 | |||
| Luyoyo | | Luyoyo | ||
| Ptolemisma | | Ptolemisma | ||
| Line 459: | Line 459: | ||
|- | |- | ||
| 65536/65219 | | 65536/65219 | ||
| {{Monzo| 16 0 0 -2 -3 }} | |||
| 8.39 | |||
| Satrilu-aruru | | Satrilu-aruru | ||
| Orgonisma | | Orgonisma | ||
| Line 466: | Line 466: | ||
|- | |- | ||
| 385/384 | | 385/384 | ||
| {{Monzo| -7 -1 1 1 1 }} | |||
| 4.50 | |||
| Lozoyo | | Lozoyo | ||
| Keenanisma | | Keenanisma | ||
| Line 473: | Line 473: | ||
|- | |- | ||
| 9801/9800 | | 9801/9800 | ||
| {{Monzo| -3 4 -2 -2 2 }} | |||
| 0.18 | |||
| Bilorugu | | Bilorugu | ||
| Kalisma | | Kalisma | ||
| Line 480: | Line 480: | ||
|- | |- | ||
| 91/90 | | 91/90 | ||
| {{Monzo| -1 -2 -1 1 0 1 }} | |||
| 19.13 | |||
| Thozogu | | Thozogu | ||
| Superleap | | Superleap | ||
| Line 536: | Line 536: | ||
[[Category:18-tone]] | [[Category:18-tone]] | ||
[[Category:18edo]] | [[Category:18edo]] | ||
[[Category: | [[Category:Edo]] | ||
[[Category: | [[Category:Listen]] | ||
[[Category: | [[Category:Scale]] | ||
[[Category: | [[Category:Subgroup]] | ||
[[Category: | [[Category:Teentuning]] | ||
[[Category: | [[Category:Theory]] | ||