752/729: Difference between revisions
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{ | {{Infobox Interval | ||
| Ratio = 752/729 | |||
|Ratio | | Name = 47-limit ~quartertone (HEJI) | ||
| Color name = s47o2, safoso 2nd | |||
| | | Comma = yes | ||
}} | |||
'''752/729''', or the '''47-limit ~quartertone comma (HEJI)''', is a 2.3.47 subgroup comma. It is the amount by which the octave-reduced 47th harmonic [[47/32]] exceeds the [[729/512|Pythagorean augmented fourth (729/512)]]. Prior to March 2025, it was the formal comma to translate a Pythagorean interval to a nearby quadracesimoseptimal (47-limit) interval in [[Helmholtz–Ellis notation]]. | |||
[[Category:Commas named after their interval size]] | |||
|} | |||
'''752/729''', or the '''47-limit ~quartertone comma (HEJI)''', is a 2.3.47 subgroup comma. It is the amount by which 47/32 | |||
Latest revision as of 13:39, 12 July 2025
| Interval information |
752/729, or the 47-limit ~quartertone comma (HEJI), is a 2.3.47 subgroup comma. It is the amount by which the octave-reduced 47th harmonic 47/32 exceeds the Pythagorean augmented fourth (729/512). Prior to March 2025, it was the formal comma to translate a Pythagorean interval to a nearby quadracesimoseptimal (47-limit) interval in Helmholtz–Ellis notation.