361edo: Difference between revisions

From Xenharmonic Wiki
Jump to navigation Jump to search
Review
ArrowHead294 (talk | contribs)
mNo edit summary
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" | [[Subgroup]]
! rowspan="2" | [[Comma list|Comma List]]
! rowspan="2" | [[Comma list|Comma List]]
! rowspan="2" | [[Mapping]]
! rowspan="2" | [[Mapping]]
! rowspan="2" | Optimal<br>8ve Stretch (¢)
! rowspan="2" | Optimal<br />8ve Stretch (¢)
! colspan="2" | Tuning Error
! colspan="2" | Tuning Error
|-
|-
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>Ratio*
! Associated<br />Ratio*
! Temperaments
! Temperaments
|-
|-
Line 60: Line 62:
|-
|-
| 19
| 19
| 150\361<br>(2\361)
| 150\361<br />(2\361)
| 498.61<br>(6.65)
| 498.61<br />(6.65)
| 4/3<br>(225/224)
| 4/3<br />(225/224)
| [[Enneadecal]]
| [[Enneadecal]]
|}
|}
<nowiki>*</nowiki> [[Normal lists|octave-reduced form]], reduced to the first half-octave, and [[Normal lists|minimal form]] in parentheses if it is distinct
{{orf}}

Revision as of 00:59, 16 November 2024

← 360edo 361edo 362edo →
Prime factorization 192
Step size 3.3241 ¢ 
Fifth 211\361 (701.385 ¢)
Semitones (A1:m2) 33:28 (109.7 ¢ : 93.07 ¢)
Consistency limit 9
Distinct consistency limit 9

Template:EDO intro

Theory

361et is consistent to the 9-odd-limit with flat tunings of harmonics 3, 5, and 7. The equal temperament tempers out 4375/4374, 703125/702464, 2460375/2458624, 43046721/43025920, and 48828125/48771072 in the 7-limit. It supports the 5-limit submajor temperament.

Odd harmonics

Approximation of odd harmonics in 361edo
Harmonic 3 5 7 9 11 13 15 17 19 21 23
Error Absolute (¢) -0.57 -0.72 -1.51 -1.14 +0.48 +0.47 -1.29 +1.42 +1.66 +1.24 -0.02
Relative (%) -17.1 -21.6 -45.5 -34.3 +14.5 +14.1 -38.8 +42.6 +49.8 +37.3 -0.6
Steps
(reduced)
572
(211)
838
(116)
1013
(291)
1144
(61)
1249
(166)
1336
(253)
1410
(327)
1476
(32)
1534
(90)
1586
(142)
1633
(189)

Subsets and supersets

361 factors into 192, with 19edo as its only edo subset.

Regular temperament properties

Subgroup Comma List Mapping Optimal
8ve Stretch (¢)
Tuning Error
Absolute (¢) Relative (%)
2.3 [-572 361 [361 572]] 0.1798 0.1798 5.41
2.3.5 [-36 11 8, [-14 -19 19 [361 572 838]] 0.2230 0.1590 4.78
2.3.5.7 4375/4374, 823543/819200, 2460375/2458624 [361 572 838 1013]] 0.3020 0.1941 5.84

Rank-2 temperaments

Table of rank-2 temperaments by generator
Periods
per 8ve
Generator* Cents* Associated
Ratio*
Temperaments
1 166\361 551.80 48/35 Emka
19 150\361
(2\361)
498.61
(6.65)
4/3
(225/224)
Enneadecal

Template:Orf