Vishnuzmic family: Difference between revisions

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The '''vishnuzmic family''' of temperaments tempers out the [[vishnuzma]], {{Monzo| 23 6 -14 }} = 6115295232/6103515625, a [[5-limit]] comma of about 3 cents. It is the amount by which seven just chromatic semitones of [[25/24]] fall short of a just perfect fourth of [[4/3]], or in other words (4/3)/(25/24)<sup>7</sup>.
The '''vishnuzmic family''' of [[temperament]]s [[Tempering out|tempers out]] the [[vishnuzma]], {{monzo| 23 6 -14 }} = 6115295232/6103515625, a [[5-limit]] comma of about 3 [[cent]]s. It is the amount by which seven just chromatic semitones of [[25/24]] fall short of a just perfect fourth of [[4/3]], or in other words (4/3)/(25/24)<sup>7</sup>.


== Vishnu ==
== Vishnu ==
Subgroup: 2.3.5
[[Subgroup]]: 2.3.5


[[Comma list]]: 6115295232/6103515625
[[Comma list]]: 6115295232/6103515625


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


[[POTE generator]]: ~25/24 = 71.143
: mapping generators: ~78125/55296, ~25/24
 
[[Optimal tuning]] ([[POTE]]): ~78125/55296 = 1\2, ~25/24 = 71.143


{{Optimal ET sequence|legend=1| 16, 34, 84, 118, 270, 388, 506, 894, 1400, 3306c, 4706cc }}
{{Optimal ET sequence|legend=1| 16, 34, 84, 118, 270, 388, 506, 894, 1400, 3306c, 4706cc }}
Line 15: Line 17:


== Septimal vishnu ==
== Septimal vishnu ==
Subgroup: 2.3.5.7
[[Subgroup]]: 2.3.5.7


[[Comma list]]: 4375/4374, 29360128/29296875
[[Comma list]]: 4375/4374, 29360128/29296875


[[Mapping]]: [{{val| 2 4 5 10 }}, {{val| 0 -7 -3 -37 }}]
{{Mapping|legend=1| 2 4 5 10 | 0 -7 -3 -37 }}


{{Multival|legend=1| 14 6 74 -23 78 155 }}
{{Multival|legend=1| 14 6 74 -23 78 155 }}


[[POTE generator]]: ~25/24 = 71.107
[[Optimal tuning]] ([[POTE]]): ~10125/7168 = 1\2, ~25/24 = 71.107


{{Optimal ET sequence|legend=1| 118, 152, 270, 1232, 1502, 1772c, 2042bc, 2312bc, 2582bc }}
{{Optimal ET sequence|legend=1| 118, 152, 270, 1232, 1502, 1772c, 2042bc, 2312bc, 2582bc }}
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Comma list: 3025/3024, 4375/4374, 5632/5625
Comma list: 3025/3024, 4375/4374, 5632/5625


Mapping: [{{val| 2 4 5 10 10 }}, {{val| 0 -7 -3 -37 -26 }}]
Mapping: {{mapping| 2 4 5 10 10 | 0 -7 -3 -37 -26 }}


POTE generator: ~25/24 = 71.105
Optimal tuning (POTE): ~99/70 = 1\2, ~25/24 = 71.105


{{Optimal ET sequence|legend=1| 118, 152, 270, 962, 1232, 1502, 2734bcd, 4236bbccdd }}
{{Optimal ET sequence|legend=1| 118, 152, 270, 962, 1232, 1502, 2734bcd, 4236bbccdd }}
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Comma list: 1001/1000, 3025/3024, 4096/4095, 4375/4374
Comma list: 1001/1000, 3025/3024, 4096/4095, 4375/4374


Mapping: [{{val| 2 4 5 10 10 1 }}, {{val| 0 -7 -3 -37 -26 54 }}]
Mapping: {{mapping| 2 4 5 10 10 1 | 0 -7 -3 -37 -26 54 }}


POTE generator: ~25/24 = 71.117
Optimal tuning (POTE): ~99/70 = 1\2, ~25/24 = 71.117


{{Optimal ET sequence|legend=1| 118, 152, 270, 928, 1198, 1468 }}
{{Optimal ET sequence|legend=1| 118, 152, 270, 928, 1198, 1468 }}
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Comma list: 1716/1715, 2080/2079, 3025/3024, 5632/5625
Comma list: 1716/1715, 2080/2079, 3025/3024, 5632/5625


Mapping: [{{val| 2 4 5 10 10 17 }}, {{val| 0 -7 -3 -37 -26 -81 }}]
Mapping: {{mapping| 2 4 5 10 10 17 | 0 -7 -3 -37 -26 -81 }}


POTE generator: ~25/24 = 71.101
Optimal tuning (POTE): ~99/70 = 1\2, ~25/24 = 71.101


{{Optimal ET sequence|legend=1| 118f, 152f, 270, 692, 962, 1654cd, 2616bcdf }}
{{Optimal ET sequence|legend=1| 118f, 152f, 270, 692, 962, 1654cd, 2616bcdf }}
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== Vishnean ==
== Vishnean ==
Subgroup: 2.3.5.7
[[Subgroup]]: 2.3.5.7


[[Comma list]]: 126/125, 540225/524288
[[Comma list]]: 126/125, 540225/524288


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


{{Multival|legend=1| 14 6 -10 -23 -55 -40 }}
{{Multival|legend=1| 14 6 -10 -23 -55 -40 }}


[[POTE generator]]: ~25/24 = 71.779
[[Optimal tuning]] ([[POTE]]): ~735/512 = 1\2, ~25/24 = 71.779


{{Optimal ET sequence|legend=1| 16, 34, 50 }}
{{Optimal ET sequence|legend=1| 16, 34, 50 }}
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Comma list: 126/125, 385/384, 1350/1331
Comma list: 126/125, 385/384, 1350/1331


Mapping: [{{val| 2 4 5 5 8 }}, {{val| 0 -7 -3 5 -9 }}]
Mapping: {{mapping| 2 4 5 5 8 | 0 -7 -3 5 -9 }}


POTE generator: ~25/24 = 71.924
Optimal tuning (POTE): ~63/44 = 1\2, ~25/24 = 71.924


{{Optimal ET sequence|legend=1| 16, 34, 50 }}
{{Optimal ET sequence|legend=1| 16, 34, 50 }}
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Comma list: 105/104, 126/125, 144/143, 847/845
Comma list: 105/104, 126/125, 144/143, 847/845


Mapping: [{{val| 2 4 5 5 8 8 }}, {{val| 0 -7 -3 5 -9 -5 }}]
Mapping: {{mapping| 2 4 5 5 8 8 | 0 -7 -3 5 -9 -5 }}


POTE generator: ~25/24 = 71.926
Optimal tuning (POTE): ~55/39 = 1\2, ~25/24 = 71.926


{{Optimal ET sequence|legend=1| 16, 34, 50 }}
{{Optimal ET sequence|legend=1| 16, 34, 50 }}
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== Narayana ==
== Narayana ==
Subgroup: 2.3.5.7
[[Subgroup]]: 2.3.5.7


[[Comma list]]: 65625/65536, 321489/320000
[[Comma list]]: 65625/65536, 321489/320000


[[Mapping]]: [{{val| 2 4 5 3 }}, {{val| 0 -7 -3 22 }}]
{{Mapping|legend=1| 2 4 5 3 | 0 -7 -3 22 }}


{{Multival|legend=1| 14 6 -44 -23 -109 -119 }}
{{Multival|legend=1| 14 6 -44 -23 -109 -119 }}


[[POTE generator]]: ~25/24 = 71.265
[[Optimal tuning]] ([[POTE]]): ~567/400 = 1\2, ~25/24 = 71.265


{{Optimal ET sequence|legend=1| 34, 84, 118, 202, 320, 522 }}
{{Optimal ET sequence|legend=1| 34, 84, 118, 202, 320, 522 }}
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Comma list: 441/440, 8019/8000, 65625/65536
Comma list: 441/440, 8019/8000, 65625/65536


Mapping: [{{val| 2 4 5 3 3 }}, {{val| 0 -7 -3 22 33 }}]
Mapping: {{mapping| 2 4 5 3 3 | 0 -7 -3 22 33 }}


POTE generator: ~25/24 = 71.248
Optimal tuning (POTE): ~99/70 = 1\2, ~25/24 = 71.248


{{Optimal ET sequence|legend=1| 34e, 84, 118, 202, 320 }}
{{Optimal ET sequence|legend=1| 34e, 84, 118, 202, 320 }}
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== Quarvish ==
== Quarvish ==
Subgroup: 2.3.5.7
[[Subgroup]]: 2.3.5.7


[[Comma list]]: 2401/2400, 6115295232/6103515625
[[Comma list]]: 2401/2400, 6115295232/6103515625


[[Mapping]]: [{{val| 2 4 5 6 }}, {{val| 0 -28 -12 -13 }}]
{{Mapping|legend=1| 2 4 5 6 | 0 -28 -12 -13 }}


{{Multival|legend=1| 56 24 26 -92 -116 -7 }}
{{Multival|legend=1| 56 24 26 -92 -116 -7 }}


[[POTE generator]]: ~7/5 = 582.213
[[Optimal tuning]] ([[POTE]]): ~78125/55296 = 1\2, ~7/5 = 582.213


{{Optimal ET sequence|legend=1| 68, 134, 202, 270, 742, 1012 }}
{{Optimal ET sequence|legend=1| 68, 134, 202, 270, 742, 1012 }}
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Comma list: 2401/2400, 9801/9800, 172032/171875
Comma list: 2401/2400, 9801/9800, 172032/171875


Mapping: [{{val| 2 4 5 6 6 }}, {{val| 0 -28 -12 -13 31 }}]
Mapping: {{mapping| 2 4 5 6 6 | 0 -28 -12 -13 31 }}


POTE generator: ~7/5 = 582.213
Optimal tuning (POTE): ~99/70 = 1\2, ~7/5 = 582.213


{{Optimal ET sequence|legend=1| 68, 134, 202, 270, 742, 1012 }}
{{Optimal ET sequence|legend=1| 68, 134, 202, 270, 742, 1012 }}
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== Decavish ==
== Decavish ==
The ''decavish'' temperament (50&amp;270) tempers out the wizma, {{monzo|-6 -8 2 5}} = 420175/419904 and the [[15/14 equal-step tuning|linus comma]], {{monzo|11 -10 -10 10}} = 578509309952/576650390625.
The decavish temperament (50 &amp; 270) tempers out the wizma, {{monzo| -6 -8 2 5 }} = 420175/419904 and the [[linus comma]], {{monzo| 11 -10 -10 10 }} = 578509309952/576650390625.


Subgroup: 2.3.5.7
[[Subgroup]]: 2.3.5.7


[[Comma list]]: 420175/419904, 2202927104/2197265625
[[Comma list]]: 420175/419904, 2202927104/2197265625


[[Mapping]]: [{{val| 10 13 22 24 }}, {{val| 0 7 3 10 }}]
{{Mapping|legend=1| 10 13 22 24 | 0 7 3 10 }}


{{Multival|legend=1| 70 30 100 -115 -38 148 }}
{{Multival|legend=1| 70 30 100 -115 -38 148 }}


[[POTE generator]]: ~25/24 = 71.129
[[Optimal tuning]] ([[POTE]]): ~15/14 = 1\10, ~25/24 = 71.129


{{Optimal ET sequence|legend=1| 50, 220, 270, 1400, 1670, 1940, 2210c, 2480c }}
{{Optimal ET sequence|legend=1| 50, 220, 270, 1400, 1670, 1940, 2210c, 2480c }}
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Comma list: 9801/9800, 41503/41472, 172032/171875
Comma list: 9801/9800, 41503/41472, 172032/171875


Mapping: [{{val| 10 13 22 24 35 }}, {{val| 0 7 3 10 -1 }}]
Mapping: {{mapping| 10 13 22 24 35 | 0 7 3 10 -1 }}


POTE generator: ~25/24 = 71.141
Optimal tuning (POTE): ~15/14 = 1\10, ~25/24 = 71.141


{{Optimal ET sequence|legend=1| 50, 220, 270, 860, 1130, 1400, 3070cd, 4470cde }}
{{Optimal ET sequence|legend=1| 50, 220, 270, 860, 1130, 1400, 3070cd, 4470cde }}
Line 200: Line 202:
Comma list: 1001/1000, 4225/4224, 4459/4455, 6656/6655
Comma list: 1001/1000, 4225/4224, 4459/4455, 6656/6655


Mapping: [{{val| 10 13 22 24 35 37 }}, {{val| 0 7 3 10 -1 0 }}]
Mapping: {{mapping| 10 13 22 24 35 37 | 0 7 3 10 -1 0 }}


POTE generator: ~25/24 = 71.151
Optimal tuning (POTE): ~15/14 = 1\10, ~25/24 = 71.151


{{Optimal ET sequence|legend=1| 50, 220, 270, 590, 860, 1130 }}
{{Optimal ET sequence|legend=1| 50, 220, 270, 590, 860, 1130 }}
Line 209: Line 211:


[[Category:Temperament families]]
[[Category:Temperament families]]
[[Category:Vishnuzmic]]
[[Category:Vishnuzmic family| ]] <!-- main article -->
[[Category:Vishnuzmic family| ]] <!-- main article -->
[[Category:Vishnuzmic| ]] <!-- key article -->
[[Category:Rank 2]]
[[Category:Rank 2]]

Revision as of 11:49, 20 September 2023

The vishnuzmic family of temperaments tempers out the vishnuzma, [23 6 -14⟩ = 6115295232/6103515625, a 5-limit comma of about 3 cents. It is the amount by which seven just chromatic semitones of 25/24 fall short of a just perfect fourth of 4/3, or in other words (4/3)/(25/24)7.

Vishnu

Subgroup: 2.3.5

Comma list: 6115295232/6103515625

Mapping: [⟨2 4 5], ⟨0 -7 -3]]

mapping generators: ~78125/55296, ~25/24

Optimal tuning (POTE): ~78125/55296 = 1\2, ~25/24 = 71.143

Optimal ET sequence: 16, 34, 84, 118, 270, 388, 506, 894, 1400, 3306c, 4706cc

Badness: 0.031181

Septimal vishnu

Subgroup: 2.3.5.7

Comma list: 4375/4374, 29360128/29296875

Mapping: [⟨2 4 5 10], ⟨0 -7 -3 -37]]

Wedgie: ⟨⟨ 14 6 74 -23 78 155 ]]

Optimal tuning (POTE): ~10125/7168 = 1\2, ~25/24 = 71.107

Optimal ET sequence: 118, 152, 270, 1232, 1502, 1772c, 2042bc, 2312bc, 2582bc

Badness: 0.041912

11-limit

Subgroup: 2.3.5.7.11

Comma list: 3025/3024, 4375/4374, 5632/5625

Mapping: [⟨2 4 5 10 10], ⟨0 -7 -3 -37 -26]]

Optimal tuning (POTE): ~99/70 = 1\2, ~25/24 = 71.105

Optimal ET sequence: 118, 152, 270, 962, 1232, 1502, 2734bcd, 4236bbccdd

Badness: 0.014180

Ananta

Subgroup: 2.3.5.7.11.13

Comma list: 1001/1000, 3025/3024, 4096/4095, 4375/4374

Mapping: [⟨2 4 5 10 10 1], ⟨0 -7 -3 -37 -26 54]]

Optimal tuning (POTE): ~99/70 = 1\2, ~25/24 = 71.117

Optimal ET sequence: 118, 152, 270, 928, 1198, 1468

Badness: 0.023678

Acyuta

Subgroup: 2.3.5.7.11.13

Comma list: 1716/1715, 2080/2079, 3025/3024, 5632/5625

Mapping: [⟨2 4 5 10 10 17], ⟨0 -7 -3 -37 -26 -81]]

Optimal tuning (POTE): ~99/70 = 1\2, ~25/24 = 71.101

Optimal ET sequence: 118f, 152f, 270, 692, 962, 1654cd, 2616bcdf

Badness: 0.015805

Vishnean

Subgroup: 2.3.5.7

Comma list: 126/125, 540225/524288

Mapping: [⟨2 4 5 5], ⟨0 -7 -3 5]]

Wedgie: ⟨⟨ 14 6 -10 -23 -55 -40 ]]

Optimal tuning (POTE): ~735/512 = 1\2, ~25/24 = 71.779

Optimal ET sequence: 16, 34, 50

Badness: 0.161398

11-limit

Subgroup: 2.3.5.7.11

Comma list: 126/125, 385/384, 1350/1331

Mapping: [⟨2 4 5 5 8], ⟨0 -7 -3 5 -9]]

Optimal tuning (POTE): ~63/44 = 1\2, ~25/24 = 71.924

Optimal ET sequence: 16, 34, 50

Badness: 0.071990

13-limit

Subgroup: 2.3.5.7.11.13

Comma list: 105/104, 126/125, 144/143, 847/845

Mapping: [⟨2 4 5 5 8 8], ⟨0 -7 -3 5 -9 -5]]

Optimal tuning (POTE): ~55/39 = 1\2, ~25/24 = 71.926

Optimal ET sequence: 16, 34, 50

Badness: 0.040739

Narayana

Subgroup: 2.3.5.7

Comma list: 65625/65536, 321489/320000

Mapping: [⟨2 4 5 3], ⟨0 -7 -3 22]]

Wedgie: ⟨⟨ 14 6 -44 -23 -109 -119 ]]

Optimal tuning (POTE): ~567/400 = 1\2, ~25/24 = 71.265

Optimal ET sequence: 34, 84, 118, 202, 320, 522

Badness: 0.094295

11-limit

Subgroup: 2.3.5.7.11

Comma list: 441/440, 8019/8000, 65625/65536

Mapping: [⟨2 4 5 3 3], ⟨0 -7 -3 22 33]]

Optimal tuning (POTE): ~99/70 = 1\2, ~25/24 = 71.248

Optimal ET sequence: 34e, 84, 118, 202, 320

Badness: 0.045908

Quarvish

Subgroup: 2.3.5.7

Comma list: 2401/2400, 6115295232/6103515625

Mapping: [⟨2 4 5 6], ⟨0 -28 -12 -13]]

Wedgie: ⟨⟨ 56 24 26 -92 -116 -7 ]]

Optimal tuning (POTE): ~78125/55296 = 1\2, ~7/5 = 582.213

Optimal ET sequence: 68, 134, 202, 270, 742, 1012

Badness: 0.045029

11-limit

Subgroup: 2.3.5.7.11

Comma list: 2401/2400, 9801/9800, 172032/171875

Mapping: [⟨2 4 5 6 6], ⟨0 -28 -12 -13 31]]

Optimal tuning (POTE): ~99/70 = 1\2, ~7/5 = 582.213

Optimal ET sequence: 68, 134, 202, 270, 742, 1012

Badness: 0.019868

Decavish

The decavish temperament (50 & 270) tempers out the wizma, [-6 -8 2 5⟩ = 420175/419904 and the linus comma, [11 -10 -10 10⟩ = 578509309952/576650390625.

Subgroup: 2.3.5.7

Comma list: 420175/419904, 2202927104/2197265625

Mapping: [⟨10 13 22 24], ⟨0 7 3 10]]

Wedgie: ⟨⟨ 70 30 100 -115 -38 148 ]]

Optimal tuning (POTE): ~15/14 = 1\10, ~25/24 = 71.129

Optimal ET sequence: 50, 220, 270, 1400, 1670, 1940, 2210c, 2480c

Badness: 0.114531

11-limit

Subgroup: 2.3.5.7.11

Comma list: 9801/9800, 41503/41472, 172032/171875

Mapping: [⟨10 13 22 24 35], ⟨0 7 3 10 -1]]

Optimal tuning (POTE): ~15/14 = 1\10, ~25/24 = 71.141

Optimal ET sequence: 50, 220, 270, 860, 1130, 1400, 3070cd, 4470cde

Badness: 0.036938

13-limit

Subgroup: 2.3.5.7.11.13

Comma list: 1001/1000, 4225/4224, 4459/4455, 6656/6655

Mapping: [⟨10 13 22 24 35 37], ⟨0 7 3 10 -1 0]]

Optimal tuning (POTE): ~15/14 = 1\10, ~25/24 = 71.151

Optimal ET sequence: 50, 220, 270, 590, 860, 1130

Badness: 0.021906

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