277edo: Difference between revisions
mNo edit summary |
+regular temperament properties |
||
Line 1: | Line 1: | ||
{{Infobox ET}} | {{Infobox ET}} | ||
{{EDO intro|277}} | |||
277et tempers out 32805/32768 (schisma) and |-11 -37 30> in the 5-limit. | |||
Using the patent val, it tempers out 4375/4374, 65625/65536, and 829440/823543 in the 7-limit; 540/539, 6250/6237, 15488/15435, and 35937/35840 in the 11-limit; 625/624, 729/728, 1573/1568, 2080/2079, and 2200/2197 in the 13-limit. | Using the patent val, it tempers out 4375/4374, 65625/65536, and 829440/823543 in the 7-limit; 540/539, 6250/6237, 15488/15435, and 35937/35840 in the 11-limit; 625/624, 729/728, 1573/1568, 2080/2079, and 2200/2197 in the 13-limit. | ||
Line 9: | Line 8: | ||
The patent val [[support]]s the [[pontiac]], and the 277d val supports the [[guiron]] and the [[widefourth]]. | The patent val [[support]]s the [[pontiac]], and the 277d val supports the [[guiron]] and the [[widefourth]]. | ||
===Prime harmonics=== | |||
{{Harmonics in equal|277}} | {{Harmonics in equal|277}} | ||
===Subsets and supersets=== | |||
277edo is the 59th [[prime EDO]]. | |||
==Regular temperament properties== | |||
{| class="wikitable center-4 center-5 center-6" | |||
! rowspan="2" |[[Subgroup]] | |||
! rowspan="2" |[[Comma list|Comma List]] | |||
! rowspan="2" |[[Mapping]] | |||
! rowspan="2" |Optimal<br>8ve Stretch (¢) | |||
! colspan="2" |Tuning Error | |||
|- | |||
![[TE error|Absolute]] (¢) | |||
![[TE simple badness|Relative]] (%) | |||
|- | |||
|2.3 | |||
|{{monzo|-439 277}} | |||
|{{val|277 439}} | |||
| 0.0473 | |||
| 0.0473 | |||
| 1.09 | |||
|- | |||
|2.3.5 | |||
|32805/32768, {{monzo|-11 -37 30}} | |||
|{{val|277 439 643}} | |||
| 0.1398 | |||
| 0.1364 | |||
| 3.15 | |||
|} | |||
=== Rank-2 temperaments === | |||
{| class="wikitable center-all left-5" | |||
|+Table of rank-2 temperaments by generator | |||
! Periods<br>per 8ve | |||
! Generator<br>(reduced) | |||
! Cents<br>(reduced) | |||
! Associated<br>ratio | |||
! Temperaments | |||
|- | |||
|1 | |||
|115\277 | |||
|498.19 | |||
|4/3 | |||
|[[Helmholtz]] | |||
|} | |||
[[Category:Equal divisions of the octave|###]] <!-- 3-digit number --> | [[Category:Equal divisions of the octave|###]] <!-- 3-digit number --> | ||
[[Category:Prime EDO]] | [[Category:Prime EDO]] |