Catasma: Difference between revisions
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140625/140608, the '''catasma''', is a [[No-sevens subgroup temperaments|no-sevens]], [[No-elevens subgroup temperaments|no-elevens]], [[13-limit]] [[unnoticeable comma]] measuring about 0.209 [[Cent|cents]]. The name was proposed by [[User:Tristanbay|Tristan Bay]] in 2023, as it is the difference between [[625/624]] and [[676/675]], two important commas tempered out in [[Cata|cata temperament]]. | 140625/140608, the '''catasma''', is a [[No-sevens subgroup temperaments|no-sevens]], [[No-elevens subgroup temperaments|no-elevens]], [[13-limit]] [[unnoticeable comma]] measuring about 0.209 [[Cent|cents]]. It is the difference between the whole tone, [[9/8]], and three intervals of [[26/25]], or alternatively between [[3/1]] and three intervals of [[75/52]]; therefore tempering this comma out splits the perfect twelfth into three equal parts. | ||
== Etymology == | |||
The name was proposed by [[User:Tristanbay|Tristan Bay]] in 2023, as it is the difference between [[625/624]] and [[676/675]], two important commas tempered out in [[Cata|cata temperament]]. | |||
[[Category:Catasmic]] | [[Category:Catasmic]] | ||
Revision as of 23:03, 20 October 2024
| Interval information |
140625/140608, the catasma, is a no-sevens, no-elevens, 13-limit unnoticeable comma measuring about 0.209 cents. It is the difference between the whole tone, 9/8, and three intervals of 26/25, or alternatively between 3/1 and three intervals of 75/52; therefore tempering this comma out splits the perfect twelfth into three equal parts.
Etymology
The name was proposed by Tristan Bay in 2023, as it is the difference between 625/624 and 676/675, two important commas tempered out in cata temperament.