Seascape comma: Difference between revisions
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'''160083/160000''', the '''seascape comma''', otherwise described as the ''undecimal hemifourths comma'', is an [[unnoticeable comma|unnoticeable]] [[11-limit]] [[comma]] measuring about 9/10 of a [[cent]]. | |||
It factors into simpler commas as ([[2401/2400]])⋅([[9801/9800]]). | |||
== Temperaments == | |||
[[Tempering out]] this comma gives the highly accurate rank-4 [[Catalog of rank-4 temperaments#Seascape (160083/160000)|seascape]] temperament, which splits the perfect fourth, [[4/3]], into two intervals of [[231/200]]. | |||
== Etymology == | |||
This comma was named by [[Tristan Bay]] in 2024, from the typical base-10 fractional representation of this interval bearing a striking resemblance of that of the [[landscape comma]], 250047/250000, while only adding 11 to the mix of prime factors, and being of a relatively similar size. | |||
[[Category:Seascape]] | |||
[[Category:Commas named for their regular temperament properties]] | [[Category:Commas named for their regular temperament properties]] | ||
Latest revision as of 12:16, 30 June 2026
| Interval information |
bilozogugu comma
160083/160000, the seascape comma, otherwise described as the undecimal hemifourths comma, is an unnoticeable 11-limit comma measuring about 9/10 of a cent.
It factors into simpler commas as (2401/2400)⋅(9801/9800).
Temperaments
Tempering out this comma gives the highly accurate rank-4 seascape temperament, which splits the perfect fourth, 4/3, into two intervals of 231/200.
Etymology
This comma was named by Tristan Bay in 2024, from the typical base-10 fractional representation of this interval bearing a striking resemblance of that of the landscape comma, 250047/250000, while only adding 11 to the mix of prime factors, and being of a relatively similar size.