Vishnuzma: Difference between revisions
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The '''vishnuzma''' or '''semisuper comma''' ([[ratio]]: 6115295232/6103515625, [[monzo]]: {{monzo| 23 6 -14 }}) of 3.338 [[cent]]s, is the amount by which seven [[25/24|classical chromatic semitones]] fall short of a just perfect fourth and also by which fourteen [[5/4|classical major thirds]] miss the [[729/512|pythagorean augmented fourth]] | The '''vishnuzma''' or '''semisuper comma''' ([[ratio]]: 6115295232/6103515625, [[monzo]]: {{monzo| 23 6 -14 }}) of 3.338 [[cent]]s, is the amount by which seven [[25/24|classical chromatic semitones]] fall short of a just perfect fourth and also by which fourteen [[5/4|classical major thirds]] miss the [[729/512|pythagorean augmented fourth]]. It can be written as <math>\left(\frac{4}{3}\right)/\left(\frac{25}{24}\right)^{7}</math>. | ||
== Temperaments == | == Temperaments == | ||
Revision as of 15:10, 24 April 2024
| Interval information |
semisuper comma
The vishnuzma or semisuper comma (ratio: 6115295232/6103515625, monzo: [23 6 -14⟩) of 3.338 cents, is the amount by which seven classical chromatic semitones fall short of a just perfect fourth and also by which fourteen classical major thirds miss the pythagorean augmented fourth. It can be written as [math]\displaystyle{ \left(\frac{4}{3}\right)/\left(\frac{25}{24}\right)^{7} }[/math].
Temperaments
Tempering out this comma leads to temperaments of the vishnuzmic family.
Etymology
This comma was named by Gene Ward Smith in 2002 as the semisuper comma[1]. It is yet to be found out how and why the later name vishnuzma was added.