640edo: Difference between revisions
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{{Infobox ET}} | |||
The '''640 equal divisions''' divides the octave into 640 equal parts of precisely 1.875 cents each. It is [[contorted]] in the 5-limit, tempering out the vishnuzma, |23 6 -14>, with the same tuning as 320edo. In the 7-limit it tempers out 19683/19600 and | 16 2 -1 -6 > and in the 11-limit it tempers out 540/539, 8019/8000 and | 14 -1 -2 -4 1 >. It provides the [[Optimal_patent_val|optimal patent val]] for the rank three [[Cataharry_family|albus temperament]] tempering out 540/539 and 8019/8000, and the 125&130 temperament. | The '''640 equal divisions''' divides the octave into 640 equal parts of precisely 1.875 cents each. It is [[contorted]] in the 5-limit, tempering out the vishnuzma, |23 6 -14>, with the same tuning as 320edo. In the 7-limit it tempers out 19683/19600 and | 16 2 -1 -6 > and in the 11-limit it tempers out 540/539, 8019/8000 and | 14 -1 -2 -4 1 >. It provides the [[Optimal_patent_val|optimal patent val]] for the rank three [[Cataharry_family|albus temperament]] tempering out 540/539 and 8019/8000, and the 125&130 temperament. | ||
Revision as of 06:42, 9 July 2023
| ← 639edo | 640edo | 641edo → |
The 640 equal divisions divides the octave into 640 equal parts of precisely 1.875 cents each. It is contorted in the 5-limit, tempering out the vishnuzma, |23 6 -14>, with the same tuning as 320edo. In the 7-limit it tempers out 19683/19600 and | 16 2 -1 -6 > and in the 11-limit it tempers out 540/539, 8019/8000 and | 14 -1 -2 -4 1 >. It provides the optimal patent val for the rank three albus temperament tempering out 540/539 and 8019/8000, and the 125&130 temperament.