128/99: Difference between revisions
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{{Infobox Interval | {{Infobox Interval | ||
| Ratio = 128/99 | | Ratio = 128/99 | ||
| Monzo = 7 -2 0 0 -1 | | Monzo = 7 -2 0 0 -1 | ||
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In [[11-limit]] [[just intonation]], '''128/99''' is an '''undecimal subfourth''' measuring about 444.8¢. It is the inversion of [[99/64]], the undecimal superfifth. This interval is also known as the '''minor fourth''' through analogy with [[11/8]] being the "major fourth" as named by [[Ivan Wyschnegradsky]], and can additionally be somewhat similarly dubbed the '''Alpharabian paraminor fourth''' or even the '''just paraminor fourth'''. It is distinguished from the simpler [[22/17]] by the [[1089/1088|twosquare comma]]. | In [[11-limit]] [[just intonation]], '''128/99''' is an '''undecimal subfourth''' measuring about 444.8¢. It is the inversion of [[99/64]], the undecimal superfifth. This interval is also known as the '''minor fourth''' through analogy with [[11/8]] being the "major fourth" as named by [[Ivan Wyschnegradsky]], and can additionally be somewhat similarly dubbed the '''Alpharabian paraminor fourth''' or even the '''just paraminor fourth'''. It is distinguished from the simpler [[22/17]] by the [[1089/1088|twosquare comma]]. | ||
== Approximation == | |||
This interval is especially close to the 10th step of [[27edo]]. | This interval is especially close to the 10th step of [[27edo]]. | ||
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[[Category:11-limit]] | [[Category:11-limit]] | ||
[[Category:Subfourth]] | [[Category:Subfourth]] | ||
[[Category:Fourth]] | [[Category:Fourth]] | ||
[[Category:Alpharabian]] | [[Category:Alpharabian]] | ||
{{todo|add color name}} | |||
Revision as of 12:50, 21 March 2022
| Interval information |
minor fourth,
Alpharabian paraminor fourth,
just paraminor fourth
reduced subharmonic
In 11-limit just intonation, 128/99 is an undecimal subfourth measuring about 444.8¢. It is the inversion of 99/64, the undecimal superfifth. This interval is also known as the minor fourth through analogy with 11/8 being the "major fourth" as named by Ivan Wyschnegradsky, and can additionally be somewhat similarly dubbed the Alpharabian paraminor fourth or even the just paraminor fourth. It is distinguished from the simpler 22/17 by the twosquare comma.
Approximation
This interval is especially close to the 10th step of 27edo.