129/128: Difference between revisions
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{ | {{Infobox Interval | ||
|Ratio = 129/128 | |||
|Ratio | |Name = 43-limit comma (HEJI) | ||
|Color name = 43o1, fotho unison | |||
| | |Comma = yes | ||
}} | |||
|} | |||
'''129/128''', or the '''43-limit Johnston comma (HEJI)''', is a 2.3.43 subgroup comma. It is the amount by which 43/32 (the 43rd harmonic) exceeds the perfect fourth (4/3). It is significant in [[Helmholtz-Ellis notation]] as the formal comma to translate a Pythagorean interval to a nearby 43-limit (prefix???) interval. | '''129/128''', or the '''43-limit Johnston comma (HEJI)''', is a 2.3.43 subgroup comma. It is the amount by which 43/32 (the 43rd harmonic) exceeds the perfect fourth (4/3). It is significant in [[Helmholtz-Ellis notation]] as the formal comma to translate a Pythagorean interval to a nearby 43-limit (prefix???) interval. | ||