Fractional-octave temperaments: Difference between revisions
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== 24th-octave temperaments == | |||
===Chromium=== | |||
Defined as the 72 & 624 temperament, and named after 24th element for being period 24. | |||
Subgroup: 2.3.5.7 | |||
Comma list: 250047/250000, 49589822592/49433168575 | |||
Mapping: 24 1 -6 18, 0 3 5 4 | |||
Mapping generators: ~250/243, ~10/7 | |||
Optimal tuning (CTE): ~10/7 | |||
Vals: 72, 552, 624, ... | |||
=== 11-limit === | |||
Subgroup: 2.3.5.7.11 | |||
Comma list: 9801/9800, 46656/46585, 250047/250000 | |||
Mapping: 24 1 -6 18 46 0 3 5 4 3 | |||
Mapping generators: ~250/243, ~10/7 | |||
Optimal tuning (CTE): ~10/7 | |||
===13-limit=== | |||
Subgroup: 2.3.5.7.11.13 | |||
Comma list: 1716/1715, 2080/2079, 34398/34375, 39366/39325 | |||
Mapping: 24 1 -6 18 46 -47 -13, 0 3 5 4 3 11 | |||
Mapping generators: ~250/243, ~10/7 | |||
Vals: 72, 552, 624, ... | |||
===17-limit=== | |||
Subgroup: 2.3.5.7.11.13.17 | |||
Comma list: 936/935, 1716/1715, 2080/2079, 2500/2499, 11016/11011 | |||
Mapping: 24 1 -6 18 46 -47 -13, 0 3 5 4 3 11 9 | |||
Mapping generators: ~35/34, ~10/7 | |||
Vals: 72, 552, 624, ... | |||
== 37th-octave temperaments == | == 37th-octave temperaments == | ||
[[37edo]] is accurate for harmonics 5, 7, 11, and 13, so various 37th-octave temperaments actually make sense. | [[37edo]] is accurate for harmonics 5, 7, 11, and 13, so various 37th-octave temperaments actually make sense. |