Hemimage temperaments: Difference between revisions

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= Commatic =
= Commatic =
The commatic temperament has a period of half octave and a generator of 20.4 cents, which represent 99/70~140/99 and 81/80 respectively.
The commatic temperament has a period of half octave and a generator of 20.4 cents. It is so named because the generator is a small interval ("commatic") which represents 81/80, 99/98, and 100/99 all tempered together.


Subgroup: 2.3.5.7
Subgroup: 2.3.5.7
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{{Main|Cotoneum}}
{{Main|Cotoneum}}


The ''cotoneum'' temperament (41&217, named by [[User:Xenllium|Xenllium]] after the Latin for "[[https://en.m.wikipedia.org/wiki/Quince quince]]") tempers out the [[Quince clan|quince comma]], 823543/819200 and the [[garischisma]], 33554432/33480783. This temperament is supported by [[41edo|41]], [[176edo|176]], [[217edo|217]], and [[258edo|258]] EDOs, and can be extended to the 11-, 13-, 17-, and 19-limit by adding 441/440, 364/363, 595/594, and 343/342 to the comma list in this order.
The ''cotoneum'' temperament (41&217, named by [[User:Xenllium|Xenllium]] after the Latin for "quince") tempers out the [[Quince clan|quince comma]], 823543/819200 and the [[garischisma]], 33554432/33480783. This temperament is supported by [[41edo|41]], [[176edo|176]], [[217edo|217]], and [[258edo|258]] EDOs, and can be extended to the 11-, 13-, 17-, and 19-limit by adding 441/440, 364/363, 595/594, and 343/342 to the comma list in this order.


Subgroup: 2.3.5.7
Subgroup: 2.3.5.7