761edo: Difference between revisions
Created page with "{{Infobox ET}} {{EDO intro|761}} == Theory == 761edo is consistent to the 9-odd-limit. It tempers out 32805/32768, 420175/419904 and {{monzo|3 13 -15 4}}..." |
m Text replacement - "Octave-reduced form, reduced to the first half-octave, and minimal form in parentheses if distinct" to "Octave-reduced form, reduced to the first half-octave, and minimal form in parentheses if distinct" |
||
| (8 intermediate revisions by 5 users not shown) | |||
| Line 1: | Line 1: | ||
{{Infobox ET}} | {{Infobox ET}} | ||
{{ | {{ED intro}} | ||
== Theory == | == Theory == | ||
761edo is [[consistent]] to the [[9-odd-limit]]. | 761edo is [[consistent]] to the [[9-odd-limit]]. As an equal temperament, it [[tempering out|tempers out]] [[32805/32768]] in the 5-limit; [[420175/419904]] and {{monzo| 3 13 -15 4 }} in the [[7-limit]]. The equal temperament is strong in the 2.3.5.13.29.31 [[subgroup]], tempering out 32805/32768, 21141/21125, 3627/3625, [[140625/140608]] and 45349632/45287125. | ||
=== Odd harmonics === | === Odd harmonics === | ||
| Line 13: | Line 13: | ||
== Regular temperament properties == | == Regular temperament properties == | ||
{| class="wikitable center-4 center-5 center-6" | {| class="wikitable center-4 center-5 center-6" | ||
! rowspan="2" |[[Subgroup]] | |- | ||
! rowspan="2" |[[Comma list | ! rowspan="2" | [[Subgroup]] | ||
! rowspan="2" |[[Mapping]] | ! rowspan="2" | [[Comma list]] | ||
! rowspan="2" |Optimal<br>8ve | ! rowspan="2" | [[Mapping]] | ||
! colspan="2" |Tuning | ! rowspan="2" | Optimal<br />8ve stretch (¢) | ||
|- | ! colspan="2" | Tuning error | ||
![[TE error|Absolute]] (¢) | |- | ||
![[TE simple badness|Relative]] (%) | ! [[TE error|Absolute]] (¢) | ||
! [[TE simple badness|Relative]] (%) | |||
|- | |- | ||
| 2.3 | | 2.3 | ||
| {{monzo|-1206 761}} | | {{monzo|-1206 761}} | ||
| {{mapping|761 1206}} | | {{mapping|761 1206}} | ||
| 0.0778 | | +0.0778 | ||
| 0.0778 | | 0.0778 | ||
| 4.93 | | 4.93 | ||
| Line 32: | Line 33: | ||
| 32805/32768, {{monzo|69 81 -85}} | | 32805/32768, {{monzo|69 81 -85}} | ||
| {{mapping|761 1206 1767}} | | {{mapping|761 1206 1767}} | ||
| 0.0490 | | +0.0490 | ||
| 0.0755 | | 0.0755 | ||
| 4.79 | | 4.79 | ||
| Line 39: | Line 40: | ||
| 32805/32768, 420175/419904, {{monzo|3 13 -15 4}} | | 32805/32768, 420175/419904, {{monzo|3 13 -15 4}} | ||
| {{mapping|761 1206 1767 2136}} | | {{mapping|761 1206 1767 2136}} | ||
| 0.0925 | | +0.0925 | ||
| 0.0998 | | 0.0998 | ||
| 6.33 | | 6.33 | ||
| Line 46: | Line 47: | ||
=== Rank-2 temperaments === | === Rank-2 temperaments === | ||
{| class="wikitable center-all left-5" | {| class="wikitable center-all left-5" | ||
|+Table of rank-2 temperaments by generator | |+ style="font-size: 105%;" | Table of rank-2 temperaments by generator | ||
! Periods<br>per 8ve | |- | ||
! Periods<br />per 8ve | |||
! Generator* | ! Generator* | ||
! Cents* | ! Cents* | ||
! Associated<br> | ! Associated<br />ratio* | ||
! Temperaments | ! Temperaments | ||
|- | |- | ||
| Line 57: | Line 59: | ||
| 498.292 | | 498.292 | ||
| 4/3 | | 4/3 | ||
| [[Helmholtz]] | | [[Helmholtz (temperament)|Helmholtz]] | ||
|} | |} | ||
<nowiki />* [[Normal forms #Equave-reduced-generator form|Octave-reduced form]], reduced to the first half-octave, and [[normal forms #Minimal-generator form|minimal form]] in parentheses if distinct | |||
== Music == | |||
; [[Francium]] | |||
* "shortcrust" from ''wiloliquy'' (2025) – [https://open.spotify.com/track/7eX41UXoJhmlzFVe3hWP7d Spotify] | [https://francium223.bandcamp.com/track/shortcrust Bandcamp] | [https://www.youtube.com/watch?v=0vPnUo6X9IY YouTube] | |||