77/72: Difference between revisions
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'''77/72''', the '''undecimal secor''', | '''77/72''', the '''undecimal secor''', lies between the 3\31 [[secor]] of [[31edo]] and the 10\103 secor of [[103edo]]. It is 385/384 (4.5 cents) sharper than [[16/15]] and 540/539 (3.2 cents) flatter than [[15/14]]. In 11-limit JI scales it often appears, being the interval between [[12/11]] and [[7/6]], [[8/7]] and [[11/9]], [[9/7]] and [[11/8]], and their inversions. Tempering out 385/384 equates it with [[16/15]], tempering out 540/539 equates it with [[15/14]], and tempering out both makes it the marvel secor. | ||
== See also == | |||
* [[108/77]] – its [[fifth complement]] | |||
* [[Gallery of just intervals]] | |||
[[Category:11-limit]] | [[Category:11-limit]] | ||
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[[Category:Semitone]] | [[Category:Semitone]] | ||
[[Category:Secor]] | [[Category:Secor]] | ||
[[Category:Symbiotic]] | |||
[[Category:Pages with internal sound examples]] | |||
Revision as of 12:21, 18 February 2022
| Interval information |
[sound info]
77/72, the undecimal secor, lies between the 3\31 secor of 31edo and the 10\103 secor of 103edo. It is 385/384 (4.5 cents) sharper than 16/15 and 540/539 (3.2 cents) flatter than 15/14. In 11-limit JI scales it often appears, being the interval between 12/11 and 7/6, 8/7 and 11/9, 9/7 and 11/8, and their inversions. Tempering out 385/384 equates it with 16/15, tempering out 540/539 equates it with 15/14, and tempering out both makes it the marvel secor.