640/637: Difference between revisions
Jump to navigation
Jump to search
mNo edit summary |
m Fix a link |
||
| (6 intermediate revisions by 2 users not shown) | |||
| Line 4: | Line 4: | ||
| Comma = yes | | Comma = yes | ||
}} | }} | ||
'''640/637''', the '''huntma''', is a [[13-limit]] [[ | '''640/637''', the '''huntma''', is a [[small comma|small]] [[13-limit]] [[comma]]. It is the amount by which two [[8/7]]'s exceed [[13/10]]. It factors into simpler commas as ([[352/351]])⋅([[540/539]]). By tempering it out is defined the '''huntmic''' temperament, which enables the [[huntmic chords]]. | ||
== | It can be expressed in terms of other commas in a number of ways, but three notable ways that correspond to a product or ratio of two [[S-comma]]s are noted here: | ||
* [[ | * [[225/224|S15]]⋅[[4096/4095|S64]] = (225/224)⋅(4096/4095) | ||
* [[5120/5103|S8/S9]]⋅[[729/728|S27]] = (5120/5103)⋅(729/728) | |||
* [[64/63|S8]]/([[169/168|S13]]⋅[[196/195|S14]]) = (64/63)/([[91/90]]) | |||
[[Category:Huntmic]] | [[Category:Huntmic]] | ||
[[Category:Commas named after composers]] | [[Category:Commas named after composers]] | ||
[[Category:Commas named after music theorists]] | [[Category:Commas named after music theorists]] | ||
Latest revision as of 08:58, 22 May 2026
| Interval information |
Thururuyo comma
640/637, the huntma, is a small 13-limit comma. It is the amount by which two 8/7's exceed 13/10. It factors into simpler commas as (352/351)⋅(540/539). By tempering it out is defined the huntmic temperament, which enables the huntmic chords.
It can be expressed in terms of other commas in a number of ways, but three notable ways that correspond to a product or ratio of two S-commas are noted here: