Semiporwellisma

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Interval information
Ratio 16384/16335
Monzo [14 -3 -1 0 -2
Size in cents 5.1854
Name(s) semiporwellisma
open this interval in xen-calc

The semiporwellisma, 16384/16335 = [14 -3 -1 0 -2 is an 11-limit comma measuring about 5.19 cents, named for it is one of the commas tempered out in the semiporwell temperament. It is the difference between two instances of 33/32, the undecimal quartertone, and 16/15, the classic diatonic semitone.

In terms of commas, it is the difference between 896/891 and 385/384.

Temperaments

Tempering it out leads to the rank-4 semiporwellismic temperament, where an octave can be split into 33/32-15/8-33/32.

See also