764edo: Difference between revisions

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{{Infobox ET}}
The '''764 equal division''' divides the octave into 764 equal parts of 1.571 cents each. It is a very strong 17-limit system distinctly consistent to the 17-limit, and is the fourteenth [[The_Riemann_Zeta_Function_and_Tuning#Zeta EDO lists|zeta integral division]]. In the 5-limit it tempers out the hemithirds comma, {{monzo| 38 -2 -15 }}; in the 7-limit  4375/4374; in the 11-limit 3025/3024 and 9801/9800; in the 13-limit 1716/1715, 2080/2079, 4096/4095, 4225/4224, 6656/6655 and 10648/10647; and in the 17-limit 2431/2430, 2500/2499, 4914/4913 and 5832/5831. It provides the [[optimal patent val]] for [[Ragismic_microtemperaments#Abigail|abigail temperament]] in the 11-limit.
{{EDO intro|764}}
764edo is a very strong 17-limit system distinctly [[consistent]] to the 17-odd-limit, and is the fourteenth [[The Riemann zeta function and tuning #Zeta EDO lists|zeta integral edo]]. In the 5-limit it tempers out the hemithirds comma, {{monzo| 38 -2 -15 }}; in the 7-limit  [[4375/4374]]; in the 11-limit [[3025/3024]] and [[9801/9800]]; in the 13-limit [[1716/1715]], [[2080/2079]], [[4096/4095]], [[4225/4224]], [[6656/6655]] and [[10648/10647]]; and in the 17-limit 2431/2430, 2500/2499, 4914/4913 and [[5832/5831]]. It provides the [[optimal patent val]] for the [[abigail]] temperament in the 11-limit.


{{Primes in edo|764}}
=== Prime harmonics ===
{{Harmonics in equal|764|columns=11}}


[[Category:Equal divisions of the octave|###]] <!-- 3-digit number -->
[[Category:Equal divisions of the octave|###]] <!-- 3-digit number -->
 
[[Category:Zeta]]
[[Category:Todo:expand]]
[[Category:Abigail]]

Revision as of 06:56, 6 October 2022

← 763edo 764edo 765edo →
Prime factorization 22 × 191
Step size 1.57068 ¢ 
Fifth 447\764 (702.094 ¢)
Semitones (A1:m2) 73:57 (114.7 ¢ : 89.53 ¢)
Consistency limit 17
Distinct consistency limit 17

Template:EDO intro 764edo is a very strong 17-limit system distinctly consistent to the 17-odd-limit, and is the fourteenth zeta integral edo. In the 5-limit it tempers out the hemithirds comma, [38 -2 -15; in the 7-limit 4375/4374; in the 11-limit 3025/3024 and 9801/9800; in the 13-limit 1716/1715, 2080/2079, 4096/4095, 4225/4224, 6656/6655 and 10648/10647; and in the 17-limit 2431/2430, 2500/2499, 4914/4913 and 5832/5831. It provides the optimal patent val for the abigail temperament in the 11-limit.

Prime harmonics

Approximation of prime harmonics in 764edo
Harmonic 2 3 5 7 11 13 17 19 23 29 31
Error Absolute (¢) +0.000 +0.139 +0.074 +0.284 -0.009 -0.214 +0.280 -0.654 -0.002 -0.781 -0.009
Relative (%) +0.0 +8.9 +4.7 +18.1 -0.6 -13.6 +17.8 -41.7 -0.1 -49.7 -0.6
Steps
(reduced)
764
(0)
1211
(447)
1774
(246)
2145
(617)
2643
(351)
2827
(535)
3123
(67)
3245
(189)
3456
(400)
3711
(655)
3785
(729)