Metric microtemperaments: Difference between revisions
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These are rank-2 temperaments that temper out the [[meter comma]], 703125/702464 = {{monzo| -11 2 7 -3 }}. | These are rank-2 temperaments that temper out the [[meter comma]], 703125/702464 = {{monzo| -11 2 7 -3 }}. | ||
Temperaments | Temperaments discussed elsewhere include: | ||
* [[Meantone]], {81/80, 126/125} → [[Meantone family #Septimal meantone|Meantone family]] | * [[Meantone]], {81/80, 126/125} → [[Meantone family #Septimal meantone|Meantone family]] | ||
* ''[[Triwell]]'', {1029/1024, 235298/234375} → [[Semicomma family #Triwell|Semicomma family]] | * ''[[Triwell]]'', {1029/1024, 235298/234375} → [[Semicomma family #Triwell|Semicomma family]] | ||
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POTE generator: ~80/77 = 65.5881 | POTE generator: ~80/77 = 65.5881 | ||
Optimal GPV sequence: {{val list| 55d, 128, 183, 311, 494, 1299, 1793, 2287d }} | |||
Badness: 0.032816 | Badness: 0.032816 | ||
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POTE generator: ~27/26 = 65.5883 | POTE generator: ~27/26 = 65.5883 | ||
Optimal GPV sequence: {{val list| 128, 183, 311, 494, 1299, 1793 }} | |||
Badness: 0.016849 | Badness: 0.016849 | ||
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POTE generator: ~27/26 = 65.5878 | POTE generator: ~27/26 = 65.5878 | ||
Optimal GPV sequence: {{val list| 128, 183, 311, 494 }} | |||
Badness: 0.014674 | Badness: 0.014674 | ||
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POTE generator: ~5/4 = 385.396 | POTE generator: ~5/4 = 385.396 | ||
Optimal GPV sequence: {{Val list| 50, 90, 140, 190, 330e, 520de }} | |||
Badness: 0.056915 | Badness: 0.056915 | ||
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POTE generator: ~5/4 = 385.419 | POTE generator: ~5/4 = 385.419 | ||
Optimal GPV sequence: {{Val list| 50, 90, 140, 190, 330e }} | |||
Badness: 0.029297 | Badness: 0.029297 | ||
=== 17-limit === | |||
Subgroup: 2.3.5.7.11.13.17 | |||
Comma list: 385/384, 561/560, 595/594, 625/624, 847/845 | |||
Mapping: [{{val| 10 3 20 12 41 37 28 }}, {{val| 0 4 1 5 -2 0 4 }}] | |||
POTE generator: ~5/4 = 385.435 | |||
Optimal GPV sequence: {{Val list| 50, 90, 140, 190g, 330eg }} | |||
Badness: 0.021949 | |||
== Stockhausenic == | == Stockhausenic == | ||
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POTE generator: ~16/15 = 111.460 | POTE generator: ~16/15 = 111.460 | ||
Optimal GPV sequence: {{Val list| 43, 97e, 140, 183, 323, 506, 829de, 1335ddee }} | |||
Badness: 0.056043 | Badness: 0.056043 | ||
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POTE generator: ~16/15 = 111.458 | POTE generator: ~16/15 = 111.458 | ||
Optimal GPV sequence: {{Val list| 43, 97e, 140, 183, 323, 829def, 1152deef }} | |||
Badness: 0.029947 | Badness: 0.029947 | ||
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POTE generator: ~16/15 = 111.459 | POTE generator: ~16/15 = 111.459 | ||
Optimal GPV sequence: {{Val list| 43, 97e, 140, 183, 323, 506, 829defg }} | |||
Badness: 0.019205 | Badness: 0.019205 | ||
== Geb == | == Geb == | ||
The ''geb'' | The ''geb'' temperament (171&506, named after the earth god of ancient Egyptian religion) tempers out {{monzo|-31 43 -16}} (quadla-quadquadgu) in the 5-limit; the meter and the euzenius comma, 78125000/78121827 as well as skeetsma (14348907/14336000, lalarutrigu) in the 7-limit. [[Breedsmic temperaments #Osiris|Osiris temperament]] (171&670, named after the eldest son of Geb) tempers out the same 5-limit comma as the geb, but with the [[2401/2400|breedsma]] rather than the meter tempered out. | ||
Subgroup: 2.3.5 | Subgroup: 2.3.5 | ||