No-fives subgroup temperaments: Difference between revisions
Switch to Sintel's badness, WE & CWE tunings (8/). + infraug ({729/704}) to accommodate the 2.3.11.13-subgroup temp |
Switch to Sintel's badness, WE & CWE tunings (9/). - duplicate/dubious entry |
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| Line 892: | Line 892: | ||
[[Badness]] (Sintel): 0.185 | [[Badness]] (Sintel): 0.185 | ||
== Infraug == | === Infraug === | ||
[[Subgroup]]: 2.3.11 | [[Subgroup]]: 2.3.11 | ||
| Line 910: | Line 910: | ||
[[Badness]] (Sintel): 0.734 | [[Badness]] (Sintel): 0.734 | ||
=== 2.3.11.13 === | ==== 2.3.11.13 ==== | ||
Subgroup: 2.3.11.13 | Subgroup: 2.3.11.13 | ||
| Line 925: | Line 925: | ||
Badness (Sintel): 0.725 | Badness (Sintel): 0.725 | ||
=== Aerophore === | ==== Aerophore ==== | ||
Subgroup: 2.3.11.19 | Subgroup: 2.3.11.19 | ||
| Line 944: | Line 944: | ||
[[Subgroup]]: 2.3.11 | [[Subgroup]]: 2.3.11 | ||
[[Comma list]]: | [[Comma list]]: 4096/3993 | ||
{{Mapping|legend=2| 1 0 4 | 0 3 -1 }} | {{Mapping|legend=2| 1 0 4 | 0 3 -1 }} | ||
| Line 978: | Line 978: | ||
Badness (Sintel): 1.31 | Badness (Sintel): 1.31 | ||
=== Glaishur === | |||
This temperament is the no-5 no-7 [[restriction]] of [[#Navy|navy]], as well as the add-11 [[extension]] of [[#Glacier|glacier]]. | |||
[[Subgroup]]: 2.3.11 | |||
[[Comma list]]: 10554638336/10460353203 | |||
{{Mapping|legend=2| 1 1 0 | 0 5 21 }} | |||
: mapping generators: ~2, ~88/81 | |||
[[Optimal tuning]]s: | |||
* [[WE]]: ~2 = 1200.0000{{c}}, ~88/81 = 140.537{{c}} | |||
: [[error map]]: {{val| -0.150 +0.493 -0.559 }} | |||
* [[CWE]]: ~2 = 1200.0000{{c}}, ~88/81 = 140.537{{c}} | |||
: error map: {{val| 0.000 +0.662 -0.326 }} | |||
{{Optimal ET sequence|legend=1| 17, 60e, 77, 94, 111 }} | |||
[[Badness]] (Sintel): 2.27 | |||
==== 2.3.11.13 ==== | |||
Subgroup: 2.3.11.13 | |||
Comma list: 352/351, 531674/531441 | |||
Subgroup-val mapping: {{mapping| 1 1 0 3 | 0 5 21 6 }} | |||
Optimal tunings: | |||
* WE: ~2 = 1200.0000{{c}}, ~13/12 = 140.537{{c}} | |||
* CWE: ~2 = 1200.0000{{c}}, ~13/12 = 140.537{{c}} | |||
{{Optimal ET sequence|legend=0| 17, 60e, 77, 94, 111, 239f, 350f }} | |||
Badness (Sintel): 0.415 | |||
== Temperaments with a 2.3.13 gene == | == Temperaments with a 2.3.13 gene == | ||
=== Threedic === | |||
[[Subgroup]]: 2.3.13 | |||
[[Comma list]]: 2197/2187 | |||
{{Mapping|legend=2| 1 0 0 | 0 3 7 }} | |||
: mapping generators: ~2, ~13/9 | |||
[[Optimal tuning]]s: | |||
* [[WE]]: ~2 = 1200.0000, ~13/9 = 634.1729{{c}} | |||
: [[error map]]: {{val| -0.000 +0.563 -1.318 }} | |||
* [[CWE]]: ~2 = 1200.0000, ~13/9 = 634.1729{{c}} | |||
: error map: {{val| 0.000 +0.564 -1.318 }} | |||
{{Optimal ET sequence|legend=1| 15, 17, 36, 53, 70, 123, 193, 316, 755f }} | |||
[[Badness]] (Sintel): 0.160 | |||
=== Ultraflat === | === Ultraflat === | ||
Ultraflat is a diatonic-based [[exotemperament]] that makes [[27/26]] vanish, so [[13/8]] is a major sixth. | Ultraflat is a diatonic-based [[exotemperament]] that makes [[27/26]] vanish, so [[13/8]] is a major sixth. | ||
| Line 1,022: | Line 1,075: | ||
[[Badness]] (Sintel): 0.610 | [[Badness]] (Sintel): 0.610 | ||
=== | === Shoal === | ||
The 2.3.13.23-subgroup [[microtemperament]] is remarkable for containing not one but two [[superparticular]] intervals as small as [[3888/3887]] and [[12168/12167]]. Tempering out both of them gives us this rank-2 temperament where a sharp whole tone of [[26/23]] is the generator, two of which stack to a [[23/18]] supermajor third, and eight of which stack to a [[8/3]] perfect eleventh. [[17edo]] is a trivial tuning where 26/23 is equated to [[9/8]], tempering out the comma [[208/207]]. More accurate tunings of shoal create a 17-note [[mos]] scale, serving as a [[circulating temperament]] of 17edo, where 208/207 is the [[chroma]] between large and small steps. | |||
[[Subgroup]]: 2.3.13 | [[Subgroup]]: 2.3.13 | ||
[[Comma list]]: | [[Comma list]]: 816293376/815730721 | ||
{{Mapping|legend=2|1 | {{Mapping|legend=2| 1 -5 -7 | 0 8 13 }} | ||
: mapping generators: ~2, ~3888/2197 | |||
[[Optimal tuning]] | [[Optimal tuning]]s: | ||
* [[WE]]: ~2 = 1199.9922{{c}}, ~3888/2197 = 987.7360{{c}} | |||
: [[error map]]: {{val| -0.008 -0.028 +0.095 }} | |||
* [[CWE]]: ~2 = 1200.0000{{c}}, ~3888/2197 = 987.7415{{c}} | |||
: error map: {{val| 0.000 -0.023 +0.112 }} | |||
{{Optimal ET sequence|legend=1| | {{Optimal ET sequence|legend=1| 17, 79, 96, 113, 130, 147, 424, 571, 1289, 10883ff, 12172ff }} | ||
Badness (Sintel): 0.135 | |||
=== | ==== 2.3.13.23 ==== | ||
Subgroup: 2.3.13.23 | |||
Comma list: 3888/3887, 12168/12167 | |||
Subgroup-val mapping: {{mapping| 1 -5 -7 -7 | 0 8 13 14 }} | |||
{{ | Optimal tunings: | ||
* WE: ~2 = 1199.9883{{c}}, ~23/13 = 987.7325{{c}} | |||
* CWE: ~2 = 1200.0000{{c}}, ~23/13 = 987.7408{{c}} | |||
{{Optimal ET sequence|legend= | {{Optimal ET sequence|legend=0| 17, 79, 96, 113, 130, 147, 424, 571, 1289, 1860, 3149 }} | ||
Badness (Sintel): 0. | Badness (Sintel): 0.0213 | ||
Scales: | Scales: | ||
| Line 1,054: | Line 1,114: | ||
Music: | Music: | ||
* [https://www.youtube.com/watch?v=bwGjN56iMM0 ''Moody Improvisation in the Shoal Temperament''] | * [https://www.youtube.com/watch?v=bwGjN56iMM0 ''Moody Improvisation in the Shoal Temperament''] by [[Budjarn Lambeth]] (2025) | ||
=== Glacier === | === Glacier === | ||
This 2.3.13-subgroup gene is not nearly as good as shoal, but it can extend extremely well to other no-5 subgroups. It is the common [[restriction]] of [[#Bleu|bleu]] and [[#Navy|navy]]. It is very well represented in [[26edo]], where a pure 13/12 can serve as the generator, but [[94edo]] provides a much better tuning. | |||
[[Subgroup]]: 2.3.13 | [[Subgroup]]: 2.3.13 | ||
[[Comma list]]: | [[Comma list]]: 373248/371293 | ||
{{Mapping|legend=2|1 1 3|0 5 6}} | {{Mapping|legend=2| 1 1 3 | 0 5 6 }} | ||
: mapping generators: ~2, ~13/12 | |||
[[Optimal tuning]] | [[Optimal tuning]]s: | ||
* [[WE]]: ~2 = 1199.8406{{c}}, ~13/12 = 140.3695{{c}} | |||
: [[error map]]: {{val| -0.159 -0.267 +1.211 }} | |||
* [[CWE]]: ~2 = 1200.0000{{c}}, ~13/12 = 140.3605{{c}} | |||
: error map: {{val| 0.000 -0.153 +1.635 }} | |||
{{ | |||
{{ | |||
[[ | |||
{{ | |||
[[ | |||
{{ | |||
{{ | |||
{{ | |||
{{Optimal ET sequence|legend=1|17, 77, 94, | {{Optimal ET sequence|legend=1| 8, 9, 17, 60, 77, 94, 171, 265, 359f, 983ff }} | ||
Badness (Sintel): 0. | [[Badness]] (Sintel): 0.383 | ||
== Temperaments with a higher-limit gene == | == Temperaments with a higher-limit gene == | ||