No-twos subgroup temperaments: Difference between revisions
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{{main|Arcturus}} | {{main|Arcturus}} | ||
As for extensions of this temperament that include the prime 2, see [[Trienstonic clan #Opossum|opossum]], [[Jubilismic clan #Crepuscular|crepuscular]], [[Kleismic family #Catalan|catalan]], [[Tetracot family #Bunya|bunya]], [[Sensamagic clan #Bohpier|bohpier]], and [[ | As for extensions of this temperament that include the prime 2, see [[Trienstonic clan #Opossum|opossum]], [[Jubilismic clan #Crepuscular|crepuscular]], [[Kleismic family #Catalan|catalan]], [[Tetracot family #Bunya|bunya]], [[Sensamagic clan #Bohpier|bohpier]], and [[Gamelismic clan #Superkleismic|superkleismic]]. | ||
Subgroup: 3.5.7 | Subgroup: 3.5.7 | ||
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Sval mapping generators: ~3, ~5 | Sval mapping generators: ~3, ~5 | ||
[[ | [[Optimal tuning]]s: | ||
* [[WE]]: ~3 = 1903.863¢, ~5/3 = 878.923¢ | |||
* [[CWE]]: ~3 = 1901.955¢, ~5/3 = 878.291¢ | |||
[[Optimal ET sequence]]: [[2edt|b2]], [[11edt|b11]], [[13edt|b13]] | [[Optimal ET sequence]]: [[2edt|b2]], [[11edt|b11]], [[13edt|b13]] | ||
Badness ( | [[Badness]] (Sintel): 0.535 | ||
=== Polturus === | === Polturus === | ||
This extension of Arcturus adds [[Polaris]]'s mapping for [[11/9]], mapping it to 5 generators down. | This extension of Arcturus adds [[Polaris]]'s mapping for [[11/9]], mapping it to 5 generators down. | ||
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[[EDT]]s: 15, 13e, 28e, 43dee | [[EDT]]s: 15, 13e, 28e, 43dee | ||
Badness ( | Badness (Sintel): 2.507 | ||
== BPS == | == BPS == | ||
{{main| | {{main|BPS}} | ||
For extensions to this temperament that include the octave, see [[Sensamagic clan]]. Non-octave extensions will be documented below. | For extensions to this temperament that include the octave, see [[Sensamagic clan]]. Non-octave extensions will be documented below. | ||
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Sval mapping generators: ~3, ~9/7 | Sval mapping generators: ~3, ~9/7 | ||
[[Optimal tuning]] | [[Optimal tuning]]s: | ||
* [[WE]]: ~3 = 1903.740¢, ~9/7 = 440.901¢ | |||
* [[CWE]]: ~3 = 1901.955¢, ~9/7 = 440.665¢ | |||
[[Optimal ET sequence]]: [[4edt|b4]], [[9edt|b9]], [[13edt|b13]], [[56edt|b56]], [[69edt|b69]], [[82edt|b82]], [[95edt|b95]] | [[Optimal ET sequence]]: [[4edt|b4]], [[9edt|b9]], [[13edt|b13]], [[56edt|b56]], [[69edt|b69]], [[82edt|b82]], [[95edt|b95]] | ||
Badness ( | [[Badness]] (Sintel): 0.066 | ||
=== Alhena === | === Alhena === | ||
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(Note that é is used as the wart for 11/2.) | (Note that é is used as the wart for 11/2.) | ||
Badness ( | Badness (Sintel): 0.187 | ||
=== Mintra === | === Mintra === | ||
''See also [[No-twos subgroup temperaments#Mintaka|Mintaka]] and [[No-twos subgroup temperaments#Deneb|Deneb]].'' | ''See also [[No-twos subgroup temperaments#Mintaka|Mintaka]] and [[No-twos subgroup temperaments#Deneb|Deneb]].'' | ||
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[[Support]]ing [[ET]]s: 39, 17, 56, 22, 5, 95, 12, 61, 73, 134, 27c, 151e, 100, 90 | [[Support]]ing [[ET]]s: 39, 17, 56, 22, 5, 95, 12, 61, 73, 134, 27c, 151e, 100, 90 | ||
Badness ( | Badness (Sintel): 0.302 | ||
==== Tridecimal Mintra ==== | ==== Tridecimal Mintra ==== | ||
This temperament uses the canonical extension for prime 13 described at [[No-twos subgroup temperaments#Tridecimal Mintaka|Tridecimal Mintaka]]. | This temperament uses the canonical extension for prime 13 described at [[No-twos subgroup temperaments#Tridecimal Mintaka|Tridecimal Mintaka]]. | ||
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[[Support]]ing [[ET]]s: 39, 17, 22, 56, 5f, 61, 95, 100, 134, 73f, 139cf, 83cf, 173e, 178cef | [[Support]]ing [[ET]]s: 39, 17, 22, 56, 5f, 61, 95, 100, 134, 73f, 139cf, 83cf, 173e, 178cef | ||
Badness ( | Badness (Sintel): 0.373 | ||
=== Dubhe === | === Dubhe === | ||
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[[Support]]ing [[ET]]s: 26, 9, 17, 43, 69, 8, 35, 95, 61, 60, 121, 25g, 112, 44 | [[Support]]ing [[ET]]s: 26, 9, 17, 43, 69, 8, 35, 95, 61, 60, 121, 25g, 112, 44 | ||
Badness ( | Badness (Sintel): 0.177 | ||
== Canopus == | == Canopus == | ||
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Sval mapping generators: ~[[3/1|3]], ~[[7/5]] | Sval mapping generators: ~[[3/1|3]], ~[[7/5]] | ||
[[Optimal tuning]]s: | [[Optimal tuning]]s: | ||
* [[ | * [[WE]]: ~3 = 1901.783¢, ~7/5 = 583.905¢ | ||
* [[ | * [[CWE]]: ~3 = 1901.955¢, ~7/5 = 583.986¢ | ||
[[Optimal ET sequence]]: [[13edt|b13]], [[62edt|b62]], [[75edt|b75]], [[88edt|b88]], [[101edt|b101]], [[114edt|b114]], [[355edt|b355]], [[469edt|b469]], [[583edt|b583]], [[697edt|b697]] | [[Optimal ET sequence]]: [[13edt|b13]], [[62edt|b62]], [[75edt|b75]], [[88edt|b88]], [[101edt|b101]], [[114edt|b114]], [[355edt|b355]], [[469edt|b469]], [[583edt|b583]], [[697edt|b697]] | ||
Badness ( | Badness (Sintel): 0.100 | ||
=== Suhail === | === Suhail === | ||
Tempering out the 3.13-subgroup [[threedie]] splits the tritave into three, meeting 11/1 at seven generators after tempering out the [[sopreisma]]. | Tempering out the 3.13-subgroup [[threedie]] splits the tritave into three, meeting 11/1 at seven generators after tempering out the [[sopreisma]]. | ||
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[[Optimal ET sequence]]: [[39edt|b39]], [[114edt|b114]], [[153edt|b153]], [[498edt|b498cf]], [[651edt|b651cf]] <!-- b804cff is not a GPV --> | [[Optimal ET sequence]]: [[39edt|b39]], [[114edt|b114]], [[153edt|b153]], [[498edt|b498cf]], [[651edt|b651cf]] <!-- b804cff is not a GPV --> | ||
Badness ( | Badness (Sintel): 0.330 | ||
== Izar == | == Izar == | ||
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Sval mapping generators: ~3, ~16807/10125 | Sval mapping generators: ~3, ~16807/10125 | ||
[[Optimal tuning]] | [[Optimal tuning]]s: | ||
* [[WE]]: ~3 = 1901.958¢, ~16807/10125 = 877.283¢ | |||
* [[CWE]]: ~3 = 1901.955¢, ~16807/10125 = 877.281¢ | |||
[[Optimal ET sequence]]: [[13edt|b13]], [[141edt|b141]], [[154edt|b154]], ... [[258edt|b258]], [[271edt|b271]], [[800edt|b800]], [[1071edt|b1071]], [[1342edt|b1342]], [[1613edt|b1613]], [[4568edt|b4568]], [[6181edt|b6181]] | [[Optimal ET sequence]]: [[13edt|b13]], [[141edt|b141]], [[154edt|b154]], ... [[258edt|b258]], [[271edt|b271]], [[800edt|b800]], [[1071edt|b1071]], [[1342edt|b1342]], [[1613edt|b1613]], [[4568edt|b4568]], [[6181edt|b6181]] | ||
Badness ( | [[Badness]] (Sintel): 0.017 | ||
== Nekkar == | == Nekkar == | ||
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Sval mapping generators: ~3, ~16807/10935 | Sval mapping generators: ~3, ~16807/10935 | ||
[[Optimal tuning]] | [[Optimal tuning]]s: | ||
* [[WE]]: ~3 = 1900.155¢, ~16807/10935 = 775.963¢ | |||
* [[CWE]]: ~3 = 1901.955¢, ~16807/10935 = 776.767¢ | |||
[[ | [[Optimal ET sequence]]: [[22edt|b22]], [[49edt|b49]], [[71edt|b71]], [[120edt|b120]], [[191edt|b191d]] | ||
Badness ( | [[Badness]] (Sintel): 17.120 | ||
=== 3.5.7.11 subgroup === | === 3.5.7.11 subgroup === | ||
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[[Support]]ing [[ET]]s: 22, 49, 71, 5c, 27, 120, 93, 17c, 76c, 169d, 191d, 115, 164d, 125cd | [[Support]]ing [[ET]]s: 22, 49, 71, 5c, 27, 120, 93, 17c, 76c, 169d, 191d, 115, 164d, 125cd | ||
Badness ( | Badness (Sintel): 1.375 | ||
=== 3.5.7.11.13 subgroup === | === 3.5.7.11.13 subgroup === | ||
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[[Support]]ing [[ET]]s: 22, 5c, 27, 49, 71f, 17cf | [[Support]]ing [[ET]]s: 22, 5c, 27, 49, 71f, 17cf | ||
Badness ( | Badness (Sintel): 1.723 | ||
== Procyon == | == Procyon == | ||
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: sval mapping generators: ~3, ~17/9 | : sval mapping generators: ~3, ~17/9 | ||
[[Optimal tuning]] | [[Optimal tuning]]s: | ||
* [[WE]]: ~3 = 1902.198¢, ~49/45 = 145.412¢ | |||
* [[CWE]]: ~3 = 1901.955¢, ~49/45 = 145.368¢ | |||
[[Support]]ing [[ET]]s: b13, b157, b144, b170, b131, b183, b118, b14, b105, b12c, b196, b92, b27, b79 | [[Support]]ing [[ET]]s: b13, b157, b144, b170, b131, b183, b118, b14, b105, b12c, b196, b92, b27, b79 | ||
Badness ( | [[Badness]] (Sintel): 0.200 | ||
=== Erigone === | === Erigone === | ||
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: [[Transversal_generators|sval mapping generators]]: ~[[3/1|3]], ~[[49/33]] | : [[Transversal_generators|sval mapping generators]]: ~[[3/1|3]], ~[[49/33]] | ||
[[Optimal tuning]] | [[Optimal tuning]]s: | ||
* [[WE]]: ~3 = 1901.9699, ~49/33 = 682.4486 <!-- IDK why the second rounded value disagrees with Sintel's calculator, I got it from FloraC's --> | |||
* [[CWE]]: ~3 = 1\1edt, ~49/33 = 682.4427 | |||
[[Optimal ET sequence]]: [[25edt|b25ce]], [[39edt|b39]], [[92edt|b92]], [[131edt|b131]], [[170edt|b170]], [[301edt|b301]], [[471edt|b471]] | [[Optimal ET sequence]]: [[25edt|b25ce]], [[39edt|b39]], [[92edt|b92]], [[131edt|b131]], [[170edt|b170]], [[301edt|b301]], [[471edt|b471]] | ||
[[Badness]] ( | [[Badness]] (Sintel): 0.21396 | ||
==== Hemigone ==== | |||
=== Hemigone === | |||
By tempering out [[3971/3969]], erigone's tritave-augmented generator ([[49/11]]) is split into two [[19/9]]s. Then, [[17/1]] is approximated at [[39/35]] below [[19/1]] (tempering out [[665/663]]). | By tempering out [[3971/3969]], erigone's tritave-augmented generator ([[49/11]]) is split into two [[19/9]]s. Then, [[17/1]] is approximated at [[39/35]] below [[19/1]] (tempering out [[665/663]]). | ||
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[[Optimal ET sequence]]: [[25edt|b25ce]], [[53edt|b53]], [[78edt|b78]], [[131edt|b131]], [[209edt|b209]], [[340edt|b340]] | [[Optimal ET sequence]]: [[25edt|b25ce]], [[53edt|b53]], [[78edt|b78]], [[131edt|b131]], [[209edt|b209]], [[340edt|b340]] | ||
[[Badness]] ( | [[Badness]] (Sintel): 0.45479 | ||
==== <small>(no-2s) </small>23-limit ==== | |||
=== | |||
[[2277/2275]] may be used in the same way to extend the simpler [[#Erigone|erigone]] to the 3.5.7.11.13.23 subgroup. | [[2277/2275]] may be used in the same way to extend the simpler [[#Erigone|erigone]] to the 3.5.7.11.13.23 subgroup. | ||
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[[Optimal ET sequence]]: [[53edt|b53i]], [[78edt|b78i]], [[131edt|b131]], [[340edt|b340]], [[471edt|b471]] | [[Optimal ET sequence]]: [[53edt|b53i]], [[78edt|b78i]], [[131edt|b131]], [[340edt|b340]], [[471edt|b471]] | ||
[[Badness]] ( | [[Badness]] (Sintel): 0.54174 | ||
== Sirius == | == Sirius == | ||
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This tempers out the [[Don Page comma]] between [[5/3]] and [[7/5]], allowing an accurate representation of the 3:5:7 chord, similar to the 5:7:9 in Procyon. | This tempers out the [[Don Page comma]] between [[5/3]] and [[7/5]], allowing an accurate representation of the 3:5:7 chord, similar to the 5:7:9 in Procyon. | ||
For an overview of extensions to this temperament that include prime 2, see [[Gariboh clan#Overview to extensions]]. | For an overview of extensions to this temperament that include prime 2, see [[Gariboh clan #Overview to extensions]]. | ||
[[Subgroup]]: 3.5.7 | [[Subgroup]]: 3.5.7 | ||
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: sval mapping generators: ~3, ~25/21 | : sval mapping generators: ~3, ~25/21 | ||
[[Optimal tuning]] | [[Optimal tuning]]s: | ||
* [[WE]]: ~3 = 1902.445¢, ~25/21 = 293.739¢ | |||
* [[CWE]]: ~3 = 1901.955¢, ~25/21 = 293.759¢ | |||
[[Optimal ET sequence]]: [[6edt|b6]], [[7edt|b7]], [[13edt|b13]], [[71edt|b71]], [[84edt|b84]], [[97edt|b97]], [[110edt|b110]], [[123edt|b123]], [[136edt|b136]] | [[Optimal ET sequence]]: [[6edt|b6]], [[7edt|b7]], [[13edt|b13]], [[71edt|b71]], [[84edt|b84]], [[97edt|b97]], [[110edt|b110]], [[123edt|b123]], [[136edt|b136]] | ||
Badness ( | [[Badness]] (Sintel): 0.213 | ||
=== Remus === | === Remus === | ||
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[[Support]]ing [[ET]]s: 39, 7, 32, 71, 110, 46, 149, 188, 181 | [[Support]]ing [[ET]]s: 39, 7, 32, 71, 110, 46, 149, 188, 181 | ||
Badness ( | Badness (Sintel): 0.286 | ||
=== Mizar === | === Mizar === | ||
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[[Support]]ing [[ET]]s: 26, 7, 19, 45, 71, 97, 33, 123, 12d, 149, 59d, 175, 64d, 85cd | [[Support]]ing [[ET]]s: 26, 7, 19, 45, 71, 97, 33, 123, 12d, 149, 59d, 175, 64d, 85cd | ||
Badness ( | Badness (Sintel): 0.383 | ||
==== Full no-twos 17-limit ==== | ==== Full no-twos 17-limit ==== | ||
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[[Support]]ing [[ET]]s: 26, 71, 45, 19, 97f, 116d | [[Support]]ing [[ET]]s: 26, 71, 45, 19, 97f, 116d | ||
Badness ( | Badness (Sintel): 0.841 | ||
== Bohlenic == | |||
This temperament is identical to [[13edt]] (equal-tempered [[Bohlen–Pierce scale]]), but has an independent generator for 11. | |||
[[Subgroup]]: 3.5.7.11 | |||
[[Comma list]]: 245/243, 3125/3087 | |||
{{Mapping|legend=2| 13 19 23 0 | 0 0 0 1 }} | |||
: sval mapping generators: ~27/25, ~11 | |||
[[Optimal tuning]]s: | |||
* [[CTE]]: ~27/25 = 146.304¢ (1 ⧵ b13), ~11 = 4151.318¢ | |||
* [[CWE]]: ~27/25 = 146.304¢ (1 ⧵ b13), ~11 = 4147.705¢ | |||
[[Optimal ET sequence]]: [[13edt|b13]], [[26edt|b26]], [[39edt|b39]] | |||
[[Badness]] (Sintel): 0.499 | |||
=== Full no-twos 13-limit === | |||
[[Subgroup]]: 3.5.7.11.13 | |||
[[Comma list]]: 245/243, 275/273, 847/845 | |||
{{Mapping|legend=2| 13 19 23 0 2 | 0 0 0 1 1 }} | |||
[[Optimal tuning]]s: | |||
* [[CTE]]: ~27/25 = 146.304¢ (1 ⧵ b13), ~11 = 4149.733¢ | |||
* [[CWE]]: ~27/25 = 146.304¢ (1 ⧵ b13), ~11 = 4146.033¢ | |||
[[Optimal ET sequence]]: [[13edt|b13]], [[26edt|b26]], [[39edt|b39]] | |||
[[Badness]] (Sintel): 0.365 | |||
== Tuning diagrams == | == Tuning diagrams == | ||
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[[Comma list]]: 3213/3211, 3971/3969, 14161/14157, 41553/41503 | [[Comma list]]: 3213/3211, 3971/3969, 14161/14157, 41553/41503 | ||
[[Sval]] [[mapping]]: [{{val| 1 2 2 2 2 | [[Sval]] [[mapping]]: [{{val| 1 2 2 2 2 3}}, {{val| 0 -15 12 22 38 -21}}] | ||
Sval mapping generators: ~3, ~119/117 | Sval mapping generators: ~3, ~119/117 | ||
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[[Comma list]]: 513/512, 729/728, 833/832, 969/968, 3971/3969 | [[Comma list]]: 513/512, 729/728, 833/832, 969/968, 3971/3969 | ||
[[Sval]] [[mapping]]: [{{val| 1 2 2 2 2 2}}, {{val| 0 -15 -7 12 22 38 -21}}] | [[Sval]] [[mapping]]: [{{val| 1 2 2 2 2 2 3}}, {{val| 0 -15 -7 12 22 38 -21}}] | ||
Sval mapping generators: ~3, ~64/63 | Sval mapping generators: ~3, ~64/63 | ||
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==== 3.5.7.8.11.13.17.19.23 subgroup ==== | ==== 3.5.7.8.11.13.17.19.23 subgroup ==== | ||
At | At the cost of lower accuracy, [[Procyon]] can be added to the Adhara structure, thereby spanning the entire triple-octave 23-limit. | ||
[[Subgroup]]: 3.5.7.8.11.13.17.19.23 | [[Subgroup]]: 3.5.7.8.11.13.17.19.23 | ||
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[[Comma list]]: 361/360, 441/440, 513/512, 729/728, 833/832, 969/968, 1127/1125 | [[Comma list]]: 361/360, 441/440, 513/512, 729/728, 833/832, 969/968, 1127/1125 | ||
[[Sval]] [[mapping]]: [{{val| 1 2 2 2 2 2}}, {{val| 0 -35 -15 -7 12 22 38 -21 -75}}] | [[Sval]] [[mapping]]: [{{val| 1 2 2 2 2 2 2 3 4}}, {{val| 0 -35 -15 -7 12 22 38 -21 -75}}] | ||
Sval mapping generators: ~3, ~64/63 | Sval mapping generators: ~3, ~64/63 | ||