Meantone family: Difference between revisions

Kaiveran (talk | contribs)
Cleanup for recent additions
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POTE generator: ~3/2 = 699.001
POTE generator: ~3/2 = 699.001


Vals: {{Val list| 12, 14ce }}
Vals: {{Val list| 2cd, 10cd, 12 }}


Badness: 0.043062
Badness: 0.043062


== [[Teff]] ==
=== Teff ===
Teff (developed 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.
{{Main| Teff }}


Subgroup: 2.3.5.7.11.13
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


[[Comma list]]: 50/49, 78/77, 81/80, 144/143
[[Mapping]]: [{{val| 2 1 -4 -3 8 }}, {{val| 0 2 8 8 -1 }}]


[[Mapping]]: [{{val| 2 3 4 5 7 7}}, {{val| 0 2 8 8 -1 5}}]
Mapping generators: ~7/5, ~16/11


Mapping generators: ~7/5, ~11/8''?''
[[POTE generator]]: ~11/8 = 552.5303


{{Multival|legend=1|? ? ? ? ? ?}}
{{Val list|legend=1| 24d, 26, 50d }}


[[POTE generator]]: ~11/8 = 552.5324''?''
[[Badness]]: 0.0707


[[Tuning ranges]]:  
==== 13-limit ====
* ???
Subgroup: 2.3.5.7.11.13


{{Val list|legend=1|24d, 26, 50d, 76d}}
[[Comma list]]: 50/49, 78/77, 81/80, 144/143


[[Badness]]: ?????
[[Mapping]]: [{{val| 2 1 -4 -3 8 2 }}, {{val| 0 2 8 8 -1 5 }}]


==== 17-limit ====
[[POTE generator]]: ~11/8 = 552.5324
Subgroup: 2.3.5.7.11.13.17


[[Comma list]]: 50/49, 78/77, 81/80, 144/143, 289/288
{{Val list|legend=1| 24d, 26, 50d }}


[[Mapping]]: [{{val| 2 3 4 5 7 7 8}}, {{val| 0 2 8 8 -1 5 2}}]
[[Badness]]: 0.0400


Mapping generators: ~7/5, ~11/8''?''
==== 17-limit ====
Subgroup: 2.3.5.7.11.13.17


{{Multival|legend=1|? ? ? ? ? ?}}
[[Comma list]]: 50/49, 78/77, 81/80, 85/84, 144/143


[[POTE generator]]: ~11/8 = 552.6558''?''
[[Mapping]]: [{{val| 2 1 -4 -3 8 2 6 }}, {{val| 0 2 8 8 -1 5 2 }}]


[[Tuning ranges]]:  
[[POTE generator]]: ~11/8 = 552.6558
* ???


{{Val list|legend=1|24d, 26, 50d, 76dg}}
{{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, 289/288
[[Comma list]]: 50/49, 57/56, 78/77, 81/80, 85/84, 144/143


[[Mapping]]: [{{val| 2 3 4 5 7 7 8 8}}, {{val| 0 2 8 8 -1 5 2 6}}]
[[Mapping]]: [{{val| 2 1 -4 -3 8 2 6 2 }}, {{val| 0 2 8 8 -1 5 2 6 }}]


Mapping generators: ~7/5, ~11/8''?''
[[POTE generator]]: ~11/8 = 552.6382


{{Multival|legend=1|? ? ? ? ? ?}}
{{Val list|legend=1| 24d, 26 }}


[[POTE generator]]: ~11/8 = 552.6382''?''
[[Badness]]: 0.0231


[[Tuning ranges]]:
== 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.


{{Val list|legend=1|24d, 26, 50d, 76dg}}<nowiki/>h
Subgroup: 2.3.5.7.11.13


[[Badness]]: ?????
[[Comma list]]: 81/80, 300125/294912


=== Pombe ===
[[Mapping]]: [{{val| 2 1 -4 11 }}, {{val| 0 2 8 -5 }}]
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
Mapping generators: ~735/512, ~35/24
 
{{Multival|legend=1| 4 16 -10 16 -27 -68 }}
 
[[POTE generator]]: ~48/35 = 552.2206


[[Comma list]]: 81/80, 105/104, 144/143, 245/242
{{Val list|legend=1| 24, 26, 50, 126bcd, 176bcdd, 226bbcdd }}


[[Mapping]]: [{{val| 2 3 4 5 7 7}}, {{val| 0 2 8 -5 -1 5}}]
[[Badness]]: 0.1161


Mapping generators: ~''???'', ~11/8''?''
=== 11-limit ===
Subgroup: 2.3.5.7.11


{{Multival|legend=1|? ? ? ? ? ?}}
Comma list: 81/80, 245/242, 385/384


[[POTE generator]]: ~11/8 = 552.1498''?''
Mapping: [{{val| 2 1 -4 11 8 }}, {{val| 0 2 8 -5 -1 }}]


[[Tuning ranges]]:  
POTE generator: ~11/8 = 552.0929
* ???


{{Val list|legend=1|24, 26, 50, 76}}
Vals: {{Val list| 24, 26, 50 }}


[[Badness]]: ?????
Badness: 0.0521


==== 17-limit ====
=== 13-limit ===
Subgroup: 2.3.5.7.11.13.17
Subgroup: 2.3.5.7.11.13


[[Comma list]]: 81/80, 105/104, 144/143, 273/272, 288/289
Comma list: 81/80, 105/104, 144/143, 245/242


[[Mapping]]: [{{val| 2 3 4 5 7 7 8}}, {{val| 0 2 8 -5 -1 5 2}}]
Mapping: [{{val| 2 1 -4 11 8 2 }}, {{val| 0 2 8 -5 -1 5 }}]


Mapping generators: ~17/12''?'', ~11/8''?''
POTE generator: ~11/8 = 552.1498


{{Multival|legend=1|? ? ? ? ? ?}}
Vals: {{Val list| 24, 26, 50 }}


[[POTE generator]]: ~11/8 = 552.1579''?''
Badness: 0.0310


[[Tuning ranges]]:  
=== 17-limit ===
* ???
Subgroup: 2.3.5.7.11.13.17


{{Val list|legend=1|24, 26, 50, 76g}}
Comma list: 81/80, 105/104, 144/143, 245/242, 273/272


[[Badness]]: ?????
Mapping: [{{val| 2 1 -4 11 8 2 6 }}, {{val| 0 2 8 -5 -1 5 2 }}]


==== 19-limit ====
POTE generator: ~11/8 = 552.1579
Subgroup: 2.3.5.7.11.13.17.19


[[Comma list]]: 81/80, 105/104, 133/132, 144/143, 273/272, 288/289
Vals: {{Val list| 24, 26, 50 }}


[[Mapping]]: [{{val| 2 3 4 5 7 7 8 8}}, {{val| 0 2 8 -5 -1 5 2 6}}]
Badness: 0.0213


Mapping generators: ~17/12''?'', ~11/8''?''
=== 19-limit ===
Subgroup: 2.3.5.7.11.13.17.19


{{Multival|legend=1|? ? ? ? ? ?}}
Comma list: 81/80, 105/104, 133/132, 144/143, 171/170, 210/209


[[POTE generator]]: ~11/8 = 552.1196''?''
Mapping: [{{val| 2 1 -4 11 8 2 6 2 }}, {{val| 0 2 8 -5 -1 5 2 6 }}]


[[Tuning ranges]]:  
POTE generator: ~11/8 = 552.1196
* ???


{{Val list|legend=1|24, 26, 50, 76g}}<nowiki/>h
Vals: {{Val list| 24, 26, 50 }}


[[Badness]]: ?????
Badness: 0.0165


== Mohaha ==
== Mohaha ==