Porcupine rank-3 family: Difference between revisions

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m FloraC moved page Porcupine rank three family to Porcupine rank-3 family: For obvious reasons
Switch to Sintel's badness, WE & CWE tunings, per community consensus
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: mapping generators: ~2, ~10/9, ~7
: mapping generators: ~2, ~10/9, ~7


[[Optimal tuning]] ([[POTE]]): ~2 = 1\1, ~10/9 = 163.9504, ~7/4 = 970.0552
[[Optimal tuning]]s:
* [[WE]]: ~2 = 1199.5444{{c}}, ~10/9 = 163.8881{{c}}, ~7/4 = 969.6868{{c}}
: [[error map]]: {{val| -0.456 +5.469 -7.121 -0.050 }}
* [[CWE]]: ~2 = 1200.0000{{c}}, ~10/9 = 164.0621{{c}}, ~7/4 = 969.4180{{c}}
: error map: {{val| 0.000 +5.859 -6.624 +0.592 }}
<!-- * [[POTE]]: ~2 = 1200.0000{{c}}, ~10/9 = 163.9504{{c}}, ~7/4 = 970.0552{{c}} -->


{{Optimal ET sequence|legend=1| 7d, 8d, 14c, 15, 22, 37, 51, 73c }}
{{Optimal ET sequence|legend=1| 7d, 8d, 14c, 15, 22, 37, 51, 73c }}


[[Badness]]: 0.535 × 10<sup>-3</sup>
[[Badness]] (Sintel): 2.36


== Sonic ==
== Sonic ==
Line 24: Line 29:
{{Mapping|legend=1| 1 2 3 0 4 | 0 -3 -5 0 -4 | 0 0 0 1 0 }}
{{Mapping|legend=1| 1 2 3 0 4 | 0 -3 -5 0 -4 | 0 0 0 1 0 }}


[[Optimal tuning]] ([[POTE]]): ~2 = 1\1, ~11/10 = 164.0777, ~7/4 = 967.8413
[[Optimal tuning]]s:
* [[WE]]: ~2 = 1200.3290{{c}}, ~11/10 = 164.1227{{c}}, ~7/4 = 968.1067{{c}}
: [[error map]]: {{val| +0.329 +6.335 -5.940 -0.061 -6.492 }}
* [[CWE]]: ~2 = 1200.0000{{c}}, ~11/10 = 163.9951{{c}}, ~7/4 = 968.2673{{c}}
: error map: {{val| 0.000 +6.060 -6.289 -0.559 -7.298 }}
<!-- * [[POTE]]: ~2 = 1200.0000{{c}}, ~11/10 = 164.0777{{c}}, ~7/4 = 967.8413{{c}} -->


{{Optimal ET sequence|legend=1| 7d, 8d, 14c, 15, 22, 37, 51, 88b }}
{{Optimal ET sequence|legend=1| 7d, 8d, 14c, 15, 22, 37, 51, 88b }}


[[Badness]]: 0.523 × 10<sup>-3</sup>
[[Badness]] (Sintel): 0.629


== Tikal ==
== Tikal ==
Line 37: Line 47:
{{Mapping|legend=1| 1 2 3 0 0 | 0 -3 -5 0 5 | 0 0 0 1 1 }}
{{Mapping|legend=1| 1 2 3 0 0 | 0 -3 -5 0 5 | 0 0 0 1 1 }}


[[Optimal tuning]] ([[POTE]]): ~2 = 1\1, ~10/9 = 161.5193, ~7/4 = 971.0457
[[Optimal tuning]]s:
* [[WE]]: ~2 = 1195.9857{{c}}, ~11/10 = 160.9790{{c}}, ~7/4 = 967.7973{{c}}
: [[error map]]: {{val| -4.014 +7.079 -3.252 -9.057 +13.346 }}
* [[CWE]]: ~2 = 1200.0000{{c}}, ~11/10 = 162.1977{{c}}, ~7/4 = 964.6202{{c}}
: error map: {{val| 0.000 +11.452 +2.698 -4.206 +24.291 }}
<!-- * [[POTE]]: ~2 = 1200.0000{{c}}, ~10/9 = 161.5193{{c}}, ~7/4 = 971.0457{{c}} -->


{{Optimal ET sequence|legend=1| 7d, 8d, 15, 30dee, 37ee, 52bee }}
{{Optimal ET sequence|legend=1| 7d, 8d, 15, 30dee, 37ee, 52bee }}


[[Badness]]: 1.973 × 10<sup>-3</sup>
[[Badness]] (Sintel): 2.37


[[Category:Temperament families]]
[[Category:Temperament families]]

Revision as of 12:17, 6 September 2025

This is a list showing technical temperament data. For an explanation of what information is shown here, you may look at the technical data guide for regular temperaments.

The porcupine rank-3 family of temperaments tempers out the porcupine comma or maximal diesis, 250/243. If nothing else is tempered out we have a 7-limit planar temperament, with an 11-limit comma we get an 11-limit temperament, and so forth.

Rank-3 porcupine

Subgroup: 2.3.5.7

Comma list: 250/243

Mapping[1 2 3 0], 0 -3 -5 0], 0 0 0 1]]

mapping generators: ~2, ~10/9, ~7

Optimal tunings:

  • WE: ~2 = 1199.5444 ¢, ~10/9 = 163.8881 ¢, ~7/4 = 969.6868 ¢
error map: -0.456 +5.469 -7.121 -0.050]
  • CWE: ~2 = 1200.0000 ¢, ~10/9 = 164.0621 ¢, ~7/4 = 969.4180 ¢
error map: 0.000 +5.859 -6.624 +0.592]

Optimal ET sequence7d, 8d, 14c, 15, 22, 37, 51, 73c

Badness (Sintel): 2.36

Sonic

Subgroup: 2.3.5.7.11

Comma list: 55/54, 100/99

Mapping[1 2 3 0 4], 0 -3 -5 0 -4], 0 0 0 1 0]]

Optimal tunings:

  • WE: ~2 = 1200.3290 ¢, ~11/10 = 164.1227 ¢, ~7/4 = 968.1067 ¢
error map: +0.329 +6.335 -5.940 -0.061 -6.492]
  • CWE: ~2 = 1200.0000 ¢, ~11/10 = 163.9951 ¢, ~7/4 = 968.2673 ¢
error map: 0.000 +6.060 -6.289 -0.559 -7.298]

Optimal ET sequence7d, 8d, 14c, 15, 22, 37, 51, 88b

Badness (Sintel): 0.629

Tikal

Subgroup: 2.3.5.7.11

Comma list: 56/55, 250/243

Mapping[1 2 3 0 0], 0 -3 -5 0 5], 0 0 0 1 1]]

Optimal tunings:

  • WE: ~2 = 1195.9857 ¢, ~11/10 = 160.9790 ¢, ~7/4 = 967.7973 ¢
error map: -4.014 +7.079 -3.252 -9.057 +13.346]
  • CWE: ~2 = 1200.0000 ¢, ~11/10 = 162.1977 ¢, ~7/4 = 964.6202 ¢
error map: 0.000 +11.452 +2.698 -4.206 +24.291]

Optimal ET sequence7d, 8d, 15, 30dee, 37ee, 52bee

Badness (Sintel): 2.37