4000/3993: Difference between revisions
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'''4000/3993''', the '''wizardharry comma''', is an [[unnoticeable comma|unnoticeable]] [[11-limit]] comma with a size of roughly 3.03 [[cents]]. | '''4000/3993''', the '''wizardharry comma''', is an [[unnoticeable comma|unnoticeable]] [[11-limit]] [[comma]] with a size of roughly 3.03 [[cents]]. It is the amount by which a stack of three [[11/10]] submajor seconds falls short of the [[4/3]] perfect fourth. | ||
In terms of commas, it is the difference between [[540/539]] and [[9801/9800]]. | |||
== Temperaments == | |||
Tempering it out means the fourth is divided into an equal stepped tetrachord, however, it does this by means equating a stack of three 11/10 intervals with 4/3, rather than by equating three [[10/9]] whole tones with 4/3 as in the [[porcupine family]] of temperaments, although 11-limit [[porcupine]] does both as 11/10 and 10/9 are equated. | |||
[[Category:11-limit]] | [[Category:11-limit]] | ||
[[Category:Unnoticeable comma]] | [[Category:Unnoticeable comma]] | ||
[[Category:Wizardharry]] | [[Category:Wizardharry]] | ||