Meantone family: Difference between revisions
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POTE generator: ~3/2 = 699.001 | POTE generator: ~3/2 = 699.001 | ||
Vals: {{Val list| 12 | Vals: {{Val list| 2cd, 10cd, 12 }} | ||
Badness: 0.043062 | Badness: 0.043062 | ||
== | === Teff === | ||
Teff | {{Main| Teff }} | ||
Subgroup: 2.3.5.7.11 | Teff (found by Mason Green) is to injera what mohajira is to meantone; it splits the generator in half in order to accommodate higher limit intervals, creating a half-octave quarter-tone temperament. | ||
Subgroup: 2.3.5.7.11 | |||
[[Comma list]]: 50/49, 81/80, 864/847 | |||
[[ | [[Mapping]]: [{{val| 2 1 -4 -3 8 }}, {{val| 0 2 8 8 -1 }}] | ||
Mapping generators: ~7/5, ~16/11 | |||
[[POTE generator]]: ~11/8 = 552.5303 | |||
{{ | {{Val list|legend=1| 24d, 26, 50d }} | ||
[[ | [[Badness]]: 0.0707 | ||
==== 13-limit ==== | |||
Subgroup: 2.3.5.7.11.13 | |||
[[Comma list]]: 50/49, 78/77, 81/80, 144/143 | |||
[[ | [[Mapping]]: [{{val| 2 1 -4 -3 8 2 }}, {{val| 0 2 8 8 -1 5 }}] | ||
[[POTE generator]]: ~11/8 = 552.5324 | |||
{{Val list|legend=1| 24d, 26, 50d }} | |||
[[ | [[Badness]]: 0.0400 | ||
==== 17-limit ==== | |||
Subgroup: 2.3.5.7.11.13.17 | |||
[[Comma list]]: 50/49, 78/77, 81/80, 85/84, 144/143 | |||
[[ | [[Mapping]]: [{{val| 2 1 -4 -3 8 2 6 }}, {{val| 0 2 8 8 -1 5 2 }}] | ||
[[ | [[POTE generator]]: ~11/8 = 552.6558 | ||
{{Val list|legend=1|24d, 26 | {{Val list|legend=1| 24d, 26 }} | ||
[[Badness]]: | [[Badness]]: 0.0295 | ||
==== 19-limit ==== | ==== 19-limit ==== | ||
Subgroup: 2.3.5.7.11.13.17.19 | Subgroup: 2.3.5.7.11.13.17.19 | ||
[[Comma list]]: 50/49, 57/56 78/77, 81/80, 144/143 | [[Comma list]]: 50/49, 57/56, 78/77, 81/80, 85/84, 144/143 | ||
[[Mapping]]: [{{val| 2 3 | [[Mapping]]: [{{val| 2 1 -4 -3 8 2 6 2 }}, {{val| 0 2 8 8 -1 5 2 6 }}] | ||
[[POTE generator]]: ~11/8 = 552.6382 | |||
{{ | {{Val list|legend=1| 24d, 26 }} | ||
[[ | [[Badness]]: 0.0231 | ||
[[ | == Pombe == | ||
Pombe (named after the African millet beer) is a variant of [[#teff]] by Kaiveran Lugheidh that eschews the tempering of 50/49 to attain more accuracy in the 7-limit. Oddly, the 7th harmonic has a lesser generator distance than in teff (-5 vs +8), but this combined with the fact that other harmonics are in the opposite direction means that the 7-limit diamond is more complex overall. | |||
Subgroup: 2.3.5.7.11.13 | |||
[[ | [[Comma list]]: 81/80, 300125/294912 | ||
[[Mapping]]: [{{val| 2 1 -4 11 }}, {{val| 0 2 8 -5 }}] | |||
Mapping generators: ~735/512, ~35/24 | |||
{{Multival|legend=1| 4 16 -10 16 -27 -68 }} | |||
[[POTE generator]]: ~48/35 = 552.2206 | |||
{{Val list|legend=1| 24, 26, 50, 126bcd, 176bcdd, 226bbcdd }} | |||
[[ | [[Badness]]: 0.1161 | ||
=== 11-limit === | |||
Subgroup: 2.3.5.7.11 | |||
Comma list: 81/80, 245/242, 385/384 | |||
[ | Mapping: [{{val| 2 1 -4 11 8 }}, {{val| 0 2 8 -5 -1 }}] | ||
POTE generator: ~11/8 = 552.0929 | |||
{{Val list | Vals: {{Val list| 24, 26, 50 }} | ||
Badness: 0.0521 | |||
=== | === 13-limit === | ||
Subgroup: 2.3.5.7.11.13 | Subgroup: 2.3.5.7.11.13 | ||
Comma list: 81/80, 105/104, 144/143, 245/242 | |||
Mapping: [{{val| 2 1 -4 11 8 2 }}, {{val| 0 2 8 -5 -1 5 }}] | |||
POTE generator: ~11/8 = 552.1498 | |||
{{ | Vals: {{Val list| 24, 26, 50 }} | ||
Badness: 0.0310 | |||
=== 17-limit === | |||
Subgroup: 2.3.5.7.11.13.17 | |||
Comma list: 81/80, 105/104, 144/143, 245/242, 273/272 | |||
[ | Mapping: [{{val| 2 1 -4 11 8 2 6 }}, {{val| 0 2 8 -5 -1 5 2 }}] | ||
POTE generator: ~11/8 = 552.1579 | |||
Vals: {{Val list| 24, 26, 50 }} | |||
Badness: 0.0213 | |||
=== 19-limit === | |||
Subgroup: 2.3.5.7.11.13.17.19 | |||
Comma list: 81/80, 105/104, 133/132, 144/143, 171/170, 210/209 | |||
[ | Mapping: [{{val| 2 1 -4 11 8 2 6 2 }}, {{val| 0 2 8 -5 -1 5 2 6 }}] | ||
POTE generator: ~11/8 = 552.1196 | |||
{{Val list | Vals: {{Val list| 24, 26, 50 }} | ||
Badness: 0.0165 | |||
== Mohaha == | == Mohaha == | ||