No-twos subgroup temperaments: Difference between revisions

From Xenharmonic Wiki
Jump to navigation Jump to search
BudjarnLambeth (talk | contribs)
m Categorised this uncategorised page
CompactStar (talk | contribs)
No edit summary
Line 3: Line 3:
This is a collection of [[subgroup temperament]]s which omit the prime harmonic of 2. These are all [[nonoctave]] scales using a period of a [[tritave]] rather than an octave.
This is a collection of [[subgroup temperament]]s which omit the prime harmonic of 2. These are all [[nonoctave]] scales using a period of a [[tritave]] rather than an octave.


== Izar ==
[[Subgroup]]: 3.5.7
[[Comma list]]: 13841287201/13839609375
{{Mapping|legend=2|1 7 5|0 -12 -7}}
Sval mapping generators: ~3, ~16807/10125
[[Optimal tuning]] (CTE): ~3 = 1\1edt, ~16807/10125 = 877.280
[[Support]]ing [[ET]]s: {{EDs|b13, b11cd, b193, b15cd, b180, b24c, b167, b37c, b154, 141, b50c, b28cd, b128, b63c|equave=t}}
== BPS ==
== BPS ==
[[Subgroup]]: 3.5.7
[[Subgroup]]: 3.5.7
Line 15: Line 27:


[[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]]
[[Category:Temperament collections]]
[[Category:Temperament collections]]
[[Category:Nonoctave]]
[[Category:Nonoctave]]
[[Category:Tritave]]
[[Category:Tritave]]

Revision as of 07:45, 6 July 2023

(WIP, catalog of 3.5.7 subgroup rank two temperaments will eventually be redirected here)

This is a collection of subgroup temperaments which omit the prime harmonic of 2. These are all nonoctave scales using a period of a tritave rather than an octave.

Izar

Subgroup: 3.5.7

Comma list: 13841287201/13839609375

Subgroup-val mapping[1 7 5], 0 -12 -7]]

Sval mapping generators: ~3, ~16807/10125

Optimal tuning (CTE): ~3 = 1\1edt, ~16807/10125 = 877.280

Supporting ETs: b13, b11cd, b193, b15cd, b180, b24c, b167, b37c, b154, 141, b50c, b28cd, b128, b63c

BPS

Subgroup: 3.5.7

Comma list: 245/243

Sval mapping: [1 1 2], 0 -2 1]]

Sval mapping generators: ~3, ~9/7

Optimal tuning (POTE): ~3 = 1\1edt, ~9/7 = 440.4881

Optimal ET sequence: b4, b9, b13, b56, b69, b82, b95