127/72: Difference between revisions

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+In [[just intonation]], 127/72 is the frequency ratio between the 127th and the 72th harmonic.
+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.
 {{Infobox Interval
 | Name = harmonic/Pythagorean minor seventh meantone
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 | Color name = 127o7
 }}
-In Just Intonation, 127/72 is the frequency ratio between the 127th and the 72th harmonic.
-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.