1224edo: Difference between revisions

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{{EDO intro|1224}}
{{EDO intro|1224}}


==Theory==
1224edo is [[Enfactoring|enfactored]] in the 11-limit, with the same tuning as [[612edo]], but it corrects the harmonics [[13/1|13]] and [[17/1|17]] to work better with the other harmonics. It provides the [[optimal patent val]] for the 19-limit semihemiennealimmal temperament with fine tunes of 23, 29 and 31.
 
=== Prime harmonics ===
{{Harmonics in equal|1224}}
{{Harmonics in equal|1224}}
1224edo is the optimal patent val of 19-limit semihemiennealimmal temperament with fine tunes of 23, 29 and 31.
 
=== Subsets and supersets ===
Since 1224 factors into 2<sup>3</sup> × 3<sup>2</sup> × 17, 1224edo has subset edos {{EDOs| 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 34, 36, 51, 68, 72, 102, 136, 153, 204, 306, 408, and 612 }}.

Revision as of 06:49, 10 June 2023

← 1223edo 1224edo 1225edo →
Prime factorization 23 × 32 × 17
Step size 0.980392 ¢ 
Fifth 716\1224 (701.961 ¢) (→ 179\306)
Semitones (A1:m2) 116:92 (113.7 ¢ : 90.2 ¢)
Consistency limit 21
Distinct consistency limit 21

Template:EDO intro

1224edo is enfactored in the 11-limit, with the same tuning as 612edo, but it corrects the harmonics 13 and 17 to work better with the other harmonics. It provides the optimal patent val for the 19-limit semihemiennealimmal temperament with fine tunes of 23, 29 and 31.

Prime harmonics

Approximation of prime harmonics in 1224edo
Harmonic 2 3 5 7 11 13 17 19 23 29 31
Error Absolute (¢) +0.000 +0.006 -0.039 -0.198 -0.338 -0.332 -0.053 -0.454 +0.157 -0.165 +0.062
Relative (%) +0.0 +0.6 -4.0 -20.2 -34.4 -33.8 -5.5 -46.3 +16.0 -16.9 +6.4
Steps
(reduced)
1224
(0)
1940
(716)
2842
(394)
3436
(988)
4234
(562)
4529
(857)
5003
(107)
5199
(303)
5537
(641)
5946
(1050)
6064
(1168)

Subsets and supersets

Since 1224 factors into 23 × 32 × 17, 1224edo has subset edos 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 34, 36, 51, 68, 72, 102, 136, 153, 204, 306, 408, and 612.