936/935: Difference between revisions
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'''936/935''', the '''ainos''' or '''ainic comma''', is a [[17-limit]] [[unnoticeable comma]] with a size of roughly 1.85 [[cent]]s. It arises as the amount by which a stack consisting of [[18/17]] and [[13/11]] exceeds [[5/4]], as well as the amount by which a stack consisting of [[10/9]] and [[17/16]] falls short of 13/11. Moreover, it is also the interval that differentiates the [[273/272|tannisma (273/272)]] from the [[385/384|keenanisma (385/384)]], and the [[256/255|septendecimal kleisma (256/255)]] from the [[352/351|minthma (352/351)]]. Thus, tempering out this comma is a good way to extend minthmic and gentle harmonies to the 17-limit, as well as a good way to bring keenanismic and tannismic harmonies together. | '''936/935''', the '''ainos''' or '''ainic comma''', is a [[17-limit]] [[unnoticeable comma]] with a size of roughly 1.85 [[cent]]s. It arises as the amount by which a stack consisting of [[18/17]] and [[13/11]] exceeds [[5/4]], as well as the amount by which a stack consisting of [[10/9]] and [[17/16]] falls short of 13/11. Moreover, it is also the interval that differentiates the [[273/272|tannisma (273/272)]] from the [[385/384|keenanisma (385/384)]], and the [[256/255|septendecimal kleisma (256/255)]] from the [[352/351|minthma (352/351)]]. Thus, tempering out this comma is a good way to extend minthmic and gentle harmonies to the 17-limit, as well as a good way to bring keenanismic and tannismic harmonies together. See [[#Commatic relations]] for more. | ||
== Commatic relations == | == Commatic relations == | ||
It factors into | This comma is the difference between the following superparticular pairs: | ||
* [[78/77]] and [[85/84]] | |||
* [[144/143]] and [[170/169]] | |||
* [[221/220]] and [[289/288]] | |||
* [[256/255]] and [[352/351]] | |||
* [[273/272]] and [[385/384]] | |||
* [[351/350]] and [[561/560]] | |||
* [[364/363]] and [[595/594]] | |||
* [[375/374]] and [[625/624]] | |||
* [[441/440]] and [[833/832]] | |||
* [[540/539]] and [[1275/1274]] | |||
* [[676/675]] and [[2431/2430]] | |||
* [[715/714]] and [[3025/3024]] | |||
It factors into the following superparticular pairs: | |||
* [[1716/1715]] and [[2058/2057]] | |||
* [[1701/1700]] and [[2080/2079]] | |||
* [[1156/1155]] and [[4914/4913]] | |||
* [[1089/1088]] and [[6656/6655]] | |||
* [[1001/1000]] and [[14400/14399]] | |||
== Temperaments == | == Temperaments == |