131072/130321
Interval information |
reduced subharmonic
131072/130321, known as the Undevicesimal Diminished Comma, is a 19-limit small comma that marks the difference between four 19/16 minor thirds and the octave. This comma can be used in various subgroups to generate highly accurate quarter-octave period temperaments.
Equal temperaments that temper out this comma in the 19-limit include 8, 12, 16, 20, 32, 80, and 92.