127/72: Difference between revisions
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Contribution (talk | contribs) Created page with "{{Infobox Interval | Ratio = 127/72 | Monzo = -3,-2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1 | Cents = 982.511622396 | Name = harmonic/pythagorean minor seven..." |
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In [[just intonation]], 127/72 is the frequency ratio between the 127th and the 72th harmonic. | |||
In | |||
It is the mean between the [[7/4|harmonic seventh]] and the [[16/9|Pythagorean minor seventh]]: (7/4 + 16/9)/2 = 127/72. | It is the mean between the [[7/4|harmonic seventh]] and the [[16/9|Pythagorean minor seventh]]: (7/4 + 16/9)/2 = 127/72. | ||
It can also be calculated from the [[64/63|septimal comma]]: ((64/63 - 1)/2 + 1)⋅(7/4) = 127/72. | It can also be calculated from the [[64/63|septimal comma]]: ((64/63 - 1)/2 + 1)⋅(7/4) = 127/72. | ||
{{Infobox Interval | |||
| Name = harmonic/Pythagorean minor seventh meantone | |||
| FJS name = m7^{127} | |||
| Color name = 127o7 | |||
}} | |||
Latest revision as of 04:31, 27 January 2024
In just intonation, 127/72 is the frequency ratio between the 127th and the 72th harmonic.
It is the mean between the harmonic seventh and the Pythagorean minor seventh: (7/4 + 16/9)/2 = 127/72.
It can also be calculated from the septimal comma: ((64/63 - 1)/2 + 1)⋅(7/4) = 127/72.
| Interval information |