261/256: Difference between revisions
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{ | {{Infobox Interval | ||
| Ratio = 261/256 | |||
|Ratio | | Name = vicesimononal comma, 29-limit ~sixth tone (HEJI) | ||
| Color name = 29o1, tweno unison | |||
| | | Comma = yes | ||
}} | |||
'''261/256''', the '''vicesimononal comma''', or the '''29-limit ~sixth tone''' as is known in [[Helmholtz-Ellis notation]], is a [[medium comma|medium]] 2.3.29 [[subgroup]] [[comma]]. It is the amount by which [[29/16|29/16 (the octave-reduced 29th harmonic)]] exceeds the [[16/9|Pythagorean minor seventh (16/9)]]. It is significant in Helmholtz-Ellis notation and [[Functional Just System]] as the formal comma to translate a Pythagorean interval to a nearby vicesimononal interval. | |||
[[Category:Commas named for their regular temperament properties]] | |||
|} | |||
'''261/256''', or the '''29-limit ~sixth tone''', is a 2.3.29 subgroup comma. It is the amount by which 29/16 (the 29th harmonic) exceeds the Pythagorean minor seventh (16/9). It is significant in | |||