Gallery of arithmetic pitch sequences: Difference between revisions
m →APS of mérides: add 6/11 |
m →APS of mérides: Add 7/11 |
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; APS2/3méride | ; APS2/3méride | ||
*Step size: 2/ | *Step size: 2/3 of a méride (~18.60 cents) | ||
*Close to: [[103edt]], [[130ed4]], [[181ed7]] | *Close to: [[103edt]], [[130ed4]], [[181ed7]] | ||
*Special properties: pretty much exactly 50% relative error (but less than 10c absolute) on 2/1, and low relative error on everything else, making it a great [[dual-n|dual-2]] tuning. | *Special properties: pretty much exactly 50% relative error (but less than 10c absolute) on 2/1, and low relative error on everything else, making it a great [[dual-n|dual-2]] tuning. | ||
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***130ed4 is slightly better than the others at 3/1, 5/1, 17/1, 23/1 | ***130ed4 is slightly better than the others at 3/1, 5/1, 17/1, 23/1 | ||
***103edt is slightly better than the others at 3/1, 5/1, 23/1 | ***103edt is slightly better than the others at 3/1, 5/1, 23/1 | ||
; APS7/11méride | |||
*Step size: 7/11 of a méride (~17.76 cents) | |||
*Close to: [[107edt]], [[135ed4]], [[157ed5]] | |||
*Special properties: almost 50% relative error (but less than 10c absolute) on 2/1, and low relative error on everything else, making it a great [[dual-n|dual-2]] tuning. | |||
*Comparison: | |||
**Step size (biggest to smallest): 135ed4, 107edt, APS7/11méride, 175ed5 | |||
**Dual-2 | |||
***Excellent: 135ed4, 107edt | |||
***Good: APS7/11méride | |||
***Weak: 175ed5 | |||
**Non-dual harmonics | |||
***135ed4 is slightly better than the others at 3/1, 17/1 | |||
***107edt is slightly better than the others at 3/1, 17/1 | |||
***APS7/11méride is slightly better than the others at 3/1, 5/1, 7/1, 11/1, 13/1, 19/1 | |||
***175ed5 is slightly better than the others at 5/1, 7/1, 11/1, 23/1 | |||