361/360: Difference between revisions
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'''361/360''', the '''go comma''' or '''dudon comma''', also described as the ''undevicesimal semitones comma'', is a [[19-limit]] (also 2.3.5.19 [[subgroup]]) [[superparticular]] [[comma]] of about 4.8 [[cent]]s. It is the difference between [[19/18]] and [[20/19]], the two undevicesimal semitones, as well as between [[19/15]] and [[24/19]], the two undevicesimal major thirds. It is also the difference between two stacked [[19/18]] and [[10/9]]. | '''361/360''', the '''go comma''' or '''dudon comma''', also described as the ''undevicesimal semitones comma'', is a [[19-limit]] (also 2.3.5.19 [[subgroup]]) [[superparticular]] [[comma]] of about 4.8 [[cent]]s. It is the difference between [[19/18]] and [[20/19]], the two undevicesimal semitones, as well as between [[19/15]] and [[24/19]], the two undevicesimal major thirds. It is also the difference between two stacked [[19/18]] and [[10/9]]. By tempering it out is defined the '''dudon temperament''', which enables the [[dudon chords]]. | ||
== Etymology == | == Etymology == | ||
Revision as of 03:26, 6 September 2023
| Interval information |
dudon comma
Nonogu comma
reduced
361/360, the go comma or dudon comma, also described as the undevicesimal semitones comma, is a 19-limit (also 2.3.5.19 subgroup) superparticular comma of about 4.8 cents. It is the difference between 19/18 and 20/19, the two undevicesimal semitones, as well as between 19/15 and 24/19, the two undevicesimal major thirds. It is also the difference between two stacked 19/18 and 10/9. By tempering it out is defined the dudon temperament, which enables the dudon chords.
Etymology
The name go comma was named by Xenwolf in 2013. It is so named after go board, which has a 19×19 grid.