The Archipelago: Difference between revisions
m Fix math error. Cube root of 20/13 is minmax tuning, not square root of 4/3. |
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[[24edo|24edo]] approximates this triad to within an error of four cents, and [[29edo|29edo]] does even better, getting it to within 1.5 cents; either may be used as a tuning for the barbados temperament discussed below. | [[24edo|24edo]] approximates this triad to within an error of four cents, and [[29edo|29edo]] does even better, getting it to within 1.5 cents; either may be used as a tuning for the barbados temperament discussed below. | ||
=Rank five temperament= | = Rank five temperament = | ||
== Island == | |||
Subgroup: 2.3.5.7.11.13 | |||
Comma: 676/675 | [[Comma list]]: [[676/675]] | ||
Map:<br> | Map:<br> | ||
{{val| 1 0 0 0 0 -1 }}<br> | |||
{{val| 0 2 0 0 0 3 }}<br> | |||
{{val| 0 0 1 0 0 1 }}<br> | |||
{{val| 0 0 0 1 0 0 }}<br> | |||
{{val| 0 0 0 0 1 0 }} | |||
Vals: 5, 9, 10, 15, 19, 24, 29, 43, 53, 58, 72, 87, 111, 121, 130, 183, 940 | |||
[[ | [[Optimal patent val]]: [[940edo]] | ||
==1001/1000== | = Rank four temperaments= | ||
== 1001/1000 == | |||
Commas: 676/675, 1001/1000 | Commas: 676/675, 1001/1000 | ||
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[[Optimal_patent_val|Optimal patent val]]: [[940edo]] | [[Optimal_patent_val|Optimal patent val]]: [[940edo]] | ||
==49/48== | == 49/48 == | ||
Commas: 49/48, 91/90 | Commas: 49/48, 91/90 | ||
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EDOs: 5, 9, 10, 15, 19, 24 | EDOs: 5, 9, 10, 15, 19, 24 | ||
==1716/1715== | == 1716/1715 == | ||
Commas: 676/675, 1716/1715 | Commas: 676/675, 1716/1715 | ||
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EDOs: 58, 72, 77, 121, 130, 140, 149, 198, 212, 270 | EDOs: 58, 72, 77, 121, 130, 140, 149, 198, 212, 270 | ||
==364/363== | == 364/363 == | ||
Commas: 364/363, 676/675 | Commas: 364/363, 676/675 | ||
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EDOs: 9, 15, 29, 43, 58, 72, 87, 121, 130 | EDOs: 9, 15, 29, 43, 58, 72, 87, 121, 130 | ||
==351/350== | == 351/350 == | ||
Commas: 351/350, 676/675 | Commas: 351/350, 676/675 | ||
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EDOs: 19, 53, 58, 72, 77, 111, 130 | EDOs: 19, 53, 58, 72, 77, 111, 130 | ||
==352/351== | == 352/351 == | ||
Commas: 352/351, 676/675 | Commas: 352/351, 676/675 | ||
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EDOs: 29, 34, 53, 58, 63, 77, 87, 111, 121 | EDOs: 29, 34, 53, 58, 63, 77, 87, 111, 121 | ||
==540/539== | == 540/539 == | ||
Commas: 540/539, 676/675 | Commas: 540/539, 676/675 | ||
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EDOs: 9, 19, 53, 58, 63, 72, 111, 121, 183 | EDOs: 9, 19, 53, 58, 63, 72, 111, 121, 183 | ||
==847/845== | == 847/845 == | ||
Commas: 676/675, 847/845 | Commas: 676/675, 847/845 | ||
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EDOs: 9, 29, 53, 58, 87, 111, 140, 149, 198 | EDOs: 9, 29, 53, 58, 87, 111, 140, 149, 198 | ||
=Rank three temperaments= | = Rank three temperaments = | ||
== [[Breed_family|Greenland]] == | |||
==[[Breed_family|Greenland]]== | |||
Commas: 676/675, 1001/1000, 1716/1715 | Commas: 676/675, 1001/1000, 1716/1715 | ||
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[[Spectrum_of_a_temperament|Spectrum]]: 15/13, 7/5, 8/7, 7/6, 4/3, 15/14, 5/4, 18/13, 13/12, 14/13, 13/10, 6/5, 16/15, 11/10, 9/7, 9/8, 16/13, 10/9, 14/11, 11/8, 15/11, 12/11, 13/11, 11/9 | [[Spectrum_of_a_temperament|Spectrum]]: 15/13, 7/5, 8/7, 7/6, 4/3, 15/14, 5/4, 18/13, 13/12, 14/13, 13/10, 6/5, 16/15, 11/10, 9/7, 9/8, 16/13, 10/9, 14/11, 11/8, 15/11, 12/11, 13/11, 11/9 | ||
==[[Werckismic_temperaments|History]]== | == [[Werckismic_temperaments|History]] == | ||
Commas: 364/363, 441/440, 1001/1000 | Commas: 364/363, 441/440, 1001/1000 | ||
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Spectrum: 11/10, 15/13, 14/11, 4/3, 7/5, 5/4, 11/8, 18/13, 15/11, 13/12, 13/10, 6/5, 8/7, 16/15, 12/11, 13/11, 9/8, 16/13, 15/14, 10/9, 7/6, 11/9, 14/13, 9/7 | Spectrum: 11/10, 15/13, 14/11, 4/3, 7/5, 5/4, 11/8, 18/13, 15/11, 13/12, 13/10, 6/5, 8/7, 16/15, 12/11, 13/11, 9/8, 16/13, 15/14, 10/9, 7/6, 11/9, 14/13, 9/7 | ||
==Borneo== | == Borneo == | ||
Commas: 676/675, 1001/1000, 3025/3024 | Commas: 676/675, 1001/1000, 3025/3024 | ||
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Spectrum: 12/11, 15/13, 11/8, 4/3, 11/10, 18/13, 6/5, 5/4, 13/12, 15/11, 11/9, 13/10, 10/9, 7/5, 16/15, 13/11, 9/8, 16/13, 8/7, 14/11, 15/14, 7/6, 14/13, 9/7 | Spectrum: 12/11, 15/13, 11/8, 4/3, 11/10, 18/13, 6/5, 5/4, 13/12, 15/11, 11/9, 13/10, 10/9, 7/5, 16/15, 13/11, 9/8, 16/13, 8/7, 14/11, 15/14, 7/6, 14/13, 9/7 | ||
==Sumatra== | == Sumatra == | ||
Commas: 325/324, 385/384, 625/624 | Commas: 325/324, 385/384, 625/624 | ||
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Badness: 0.000680 | Badness: 0.000680 | ||
==[[Cataharry_family|Madagascar]]== | == [[Cataharry_family|Madagascar]] == | ||
Commas: 351/350, 540/539, 676/675 | Commas: 351/350, 540/539, 676/675 | ||
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Spectrum: 15/13, 4/3, 13/10, 10/9, 6/5, 9/7, 18/13, 9/8, 5/4, 7/6, 13/12, 15/14, 16/15, 14/13, 8/7, 7/5, 16/13, 11/10, 15/11, 11/8, 12/11, 13/11, 11/9, 14/11 | Spectrum: 15/13, 4/3, 13/10, 10/9, 6/5, 9/7, 18/13, 9/8, 5/4, 7/6, 13/12, 15/14, 16/15, 14/13, 8/7, 7/5, 16/13, 11/10, 15/11, 11/8, 12/11, 13/11, 11/9, 14/11 | ||
[[ | [[madagascar19]] | ||
==Baffin== | == Baffin == | ||
Commas: 676/675, 1001/1000, 4225/4224 | Commas: 676/675, 1001/1000, 4225/4224 | ||
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Spectrum: 15/13, 16/15, 13/12, 4/3, 16/13, 5/4, 18/13, 13/10, 6/5, 9/8, 11/10, 8/7, 7/5, 15/11, 10/9, 13/11, 15/14, 11/8, 7/6, 14/13, 12/11, 9/7, 11/9, 14/11 | Spectrum: 15/13, 16/15, 13/12, 4/3, 16/13, 5/4, 18/13, 13/10, 6/5, 9/8, 11/10, 8/7, 7/5, 15/11, 10/9, 13/11, 15/14, 11/8, 7/6, 14/13, 12/11, 9/7, 11/9, 14/11 | ||
==Kujuku== | == Kujuku == | ||
Commas: 352/351, 364/363, 676/675 | Commas: 352/351, 364/363, 676/675 | ||
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Spectrum: 15/13, 4/3, 13/10, 9/8, 13/11, 15/11, 12/11, 11/9, 11/8, 14/11, 16/13, 16/15, 11/10, 13/12, 9/7, 5/4, 18/13, 7/6, 6/5, 8/7, 10/9, 14/13, 15/14, 7/5 | Spectrum: 15/13, 4/3, 13/10, 9/8, 13/11, 15/11, 12/11, 11/9, 11/8, 14/11, 16/13, 16/15, 11/10, 13/12, 9/7, 5/4, 18/13, 7/6, 6/5, 8/7, 10/9, 14/13, 15/14, 7/5 | ||
=Rank two temperaments= | = Rank two temperaments = | ||
Rank two temperaments tempering out 676/675 include the 13-limit versions of [[Ragismic_microtemperaments|hemiennealimmal]], [[Breedsmic_temperaments|harry]], [[Kleismic_family|tritikleismic]], [[Kleismic_family|catakleimsic]], [[Marvel_temperaments|negri]], [[Hemifamity_temperaments|mystery]], [[Hemifamity_temperaments|buzzard]], [[Kleismic_family|quadritikleismic]]. | Rank two temperaments tempering out 676/675 include the 13-limit versions of [[Ragismic_microtemperaments|hemiennealimmal]], [[Breedsmic_temperaments|harry]], [[Kleismic_family|tritikleismic]], [[Kleismic_family|catakleimsic]], [[Marvel_temperaments|negri]], [[Hemifamity_temperaments|mystery]], [[Hemifamity_temperaments|buzzard]], [[Kleismic_family|quadritikleismic]]. | ||
It is interesting to note the Graham complexity of 15/13 in these temperaments. This is 18 in hemiennealimmal, 6 in harry, 9 in tritikleismic, 3 in catakleismic, 2 in negri, 2 in buzzard, 12 in quadritikleismic. Catakleismic and buzzard are particularly interesting from an archipelago point of view. Mystery is special case, since the 15/13 part of it belongs to [[29edo|29EDO]] alone. | It is interesting to note the Graham complexity of 15/13 in these temperaments. This is 18 in hemiennealimmal, 6 in harry, 9 in tritikleismic, 3 in catakleismic, 2 in negri, 2 in buzzard, 12 in quadritikleismic. Catakleismic and buzzard are particularly interesting from an archipelago point of view. Mystery is special case, since the 15/13 part of it belongs to [[29edo|29EDO]] alone. | ||
==Decitonic (aka Decoid)== | == Decitonic (aka Decoid) == | ||
{{see also|Breedsmic temperaments#Decoid}} | {{see also|Breedsmic temperaments#Decoid}} | ||
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[[Badness]]: 0.013475 | [[Badness]]: 0.013475 | ||
==Avicenna== | == Avicenna == | ||
{{see also|Landscape microtemperaments#Avicenna}} | {{see also|Landscape microtemperaments#Avicenna}} | ||
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[[Badness]]: 0.015557 | [[Badness]]: 0.015557 | ||
==Tertiathirds== | == Tertiathirds == | ||
{{see also|Wizmic microtemperaments#Tertiathirds}} | {{see also|Wizmic microtemperaments#Tertiathirds}} | ||
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[[Badness]]: 0.019494 | [[Badness]]: 0.019494 | ||
===17-limit=== | === 17-limit === | ||
Comma list: 676/675, 715/714, 1716/1715, 2025/2023, 4225/4224 | Comma list: 676/675, 715/714, 1716/1715, 2025/2023, 4225/4224 | ||
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Badness: 0.019107 | Badness: 0.019107 | ||
=Subgroup temperaments= | = Subgroup temperaments = | ||
== Barbados == | |||
==Barbados== | |||
Subgroup: 2.3.13/5 | Subgroup: 2.3.13/5 | ||
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Perhaps the simplest method of making use of the barbados triad and other characteristic island harmonies is to strip things down to essentials by tempering the 2.3.13/5 [[Just_intonation_subgroups|just intontation subgroup]]. The minimax tuning for this makes the generator the cube root of 20/13, or 248.5953 cents. EDOs which may be used for it are [[24edo|24edo]], [[29edo|29edo]], [[53edo|53edo]] and [[111edo|111edo]], with MOS of size 5, 9, 14, 19, 24 and 29 making for a good variety of scales. | Perhaps the simplest method of making use of the barbados triad and other characteristic island harmonies is to strip things down to essentials by tempering the 2.3.13/5 [[Just_intonation_subgroups|just intontation subgroup]]. The minimax tuning for this makes the generator the cube root of 20/13, or 248.5953 cents. EDOs which may be used for it are [[24edo|24edo]], [[29edo|29edo]], [[53edo|53edo]] and [[111edo|111edo]], with MOS of size 5, 9, 14, 19, 24 and 29 making for a good variety of scales. | ||
[[ | [[POTE generator]]: ~15/13 = 248.621 | ||
[[ | [[Sval]] [[map]]: [<1 0 -1|, <0 2 3|] | ||
EDOs: 5, 9, 14, 19, 24, 29, 53, 82, 111, 140, 251, 362 | EDOs: 5, 9, 14, 19, 24, 29, 53, 82, 111, 140, 251, 362 | ||
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Badness: 0.002335 | Badness: 0.002335 | ||
===Music=== | === Music === | ||
* [http://micro.soonlabel.com/gene_ward_smith/Others/Sevish/Sevish%20-%20Desert%20Island%20Rain.mp3 Desert Island Rain] in 313et tuned Barbados[9], by [https://soundcloud.com/sevish/desert-island-rain Sevish] | * [http://micro.soonlabel.com/gene_ward_smith/Others/Sevish/Sevish%20-%20Desert%20Island%20Rain.mp3 Desert Island Rain] in 313et tuned Barbados[9], by [https://soundcloud.com/sevish/desert-island-rain Sevish] | ||
== Trinidad == | |||
==Trinidad== | |||
Subgroup: 2.3.5.13 | Subgroup: 2.3.5.13 | ||
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Trinidad may be viewed as the reduction of [[Kleismic_family|catakleismic temperament]] to the 2.3.5.13 subgroup. Another way to put it is that it is the rank two 2.3.5.13 subgroup temperament tempering out 325/324, 625/624 and hence also 676/675. | Trinidad may be viewed as the reduction of [[Kleismic_family|catakleismic temperament]] to the 2.3.5.13 subgroup. Another way to put it is that it is the rank two 2.3.5.13 subgroup temperament tempering out 325/324, 625/624 and hence also 676/675. | ||
[[ | [[POTE generator]]: 317.076 | ||
[[ | [[Sval]] [[map]]: [<1 0 1 0 |, <0 6 5 14|] | ||
EDOs: 15, 19, 34, 53, 87, 140, 193, 246 | EDOs: 15, 19, 34, 53, 87, 140, 193, 246 | ||
==[[ | == [[Chromatic pairs #Tobago|Tobago]] == | ||
Subgroup: 2.3.11.13/5 | Subgroup: 2.3.11.13/5 | ||
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EDOs: 10, 14, 24, 58, 82, 130 | EDOs: 10, 14, 24, 58, 82, 130 | ||
== Parizekmic == | |||
==Parizekmic== | |||
Subgroup: 2.3.5.13 | Subgroup: 2.3.5.13 | ||
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Closely related to barbados temperament is parizekmic, the rank three 2.3.5.13 subgroup temperament tempering out 676/675. This is generated by 2, 5, and 15/13, where the minimax tuning makes 2 and 5 pure, and 15/13 sharp by sqrt(676/675), or 1.28145 cents. This is, in other words, the same sqrt(4/3) generator as the minimax tuning for barbados, and it gives parizekmic a just 5-limit, with barbados triads where the 13/10 is a cent flat. | Closely related to barbados temperament is parizekmic, the rank three 2.3.5.13 subgroup temperament tempering out 676/675. This is generated by 2, 5, and 15/13, where the minimax tuning makes 2 and 5 pure, and 15/13 sharp by sqrt(676/675), or 1.28145 cents. This is, in other words, the same sqrt(4/3) generator as the minimax tuning for barbados, and it gives parizekmic a just 5-limit, with barbados triads where the 13/10 is a cent flat. | ||
[[ | [[Sval]] [[map]]: [<1 0 0 -1|, <0 2 0 3|, <0 0 1 1|] | ||
EDOs: 5, 9, 10, 15, 19, 34, 53, 130, 140, 164, 183, 217, 270 | EDOs: 5, 9, 10, 15, 19, 34, 53, 130, 140, 164, 183, 217, 270 | ||
===Music=== | === Music === | ||
* [http://micro.soonlabel.com/petr_parizek/pp_pump_675.mp3 Petr's Pump], a comma pump based ditty in Parizekmic temperament. | * [http://micro.soonlabel.com/petr_parizek/pp_pump_675.mp3 Petr's Pump], a comma pump based ditty in Parizekmic temperament. | ||
[[Category:Regular temperament theory]] | |||
[[Category: | [[Category:Commatic realm]] | ||
[[Category: | |||
[[Category:Island]] | [[Category:Island]] | ||
[[Category: | [[Category:Listen]] | ||