729/704: Difference between revisions
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{{Infobox Interval | {{Infobox Interval | ||
| Name = Alpharabian infraaugmented prime, Alpharabian infraapotomic quartertone, undecimal major diesis | | Name = Alpharabian infraaugmented prime, Alpharabian infraapotomic quartertone, undecimal major diesis | ||
| Color name = L1u1, Lalu comma | |||
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Revision as of 02:09, 4 December 2022
| Interval information |
Alpharabian infraapotomic quartertone,
undecimal major diesis
729/704, conventionally named the undecimal major diesis[1], is a medium comma measuring about 60.4 ¢. In Alpharabian tuning, it is called the Alpharabian infraaugmented prime or Alpharabian infraapotomic quartertone.
It is a type of quartertone that differs from 33/32 by 243/242, and is itself the interval left over after subtracting 33/32 from 2187/2048. While many may be accustomed to thinking of 33/32 and 729/704 as "semiaugmented primes", this analysis is only completely accurate when 243/242 is tempered out. This interval differs from the simpler 28/27 by the symbiotic comma.