392/375: Difference between revisions
Jump to navigation
Jump to search
m + category |
DesertFreeze (talk | contribs) Refined interval denotation |
||
| Line 4: | Line 4: | ||
| Comma = yes | | Comma = yes | ||
}} | }} | ||
'''392/375''', the '''prograde comma''', is a [[medium comma|medium]] [[7-limit]] [[comma]] measuring about 76.75 cents. It represents the amount by which two [[7/5]] | '''392/375''', the '''prograde comma''', is a [[medium comma|medium]] [[7-limit]] [[comma]] measuring about 76.75 cents. It represents the amount by which two [[7/5|septimal narrow tritones (7/5)]] exceed a [[15/8|classic major seventh (15/8)]], and the amount by which three [[15/14|aberschismic chromatic semitones (15/14)]] fall short of a [[9/7|septimal supermajor third (9/7)]]. | ||
In terms of other commas, it is the difference between [[21/20]] and [[225/224]]. It factors into ([[49/48]])⋅([[128/125]]) and ([[28/27]])⋅([[126/125]]). | In terms of other commas, it is the difference between an [[21/20|aberschismic diatonic semitone (21/20)]] and a [[225/224|marvel comma (225/224)]]. It factors into ([[49/48]])⋅([[128/125]]) and ([[28/27]])⋅([[126/125]]). | ||
== Temperaments == | == Temperaments == | ||
Latest revision as of 13:34, 31 August 2026
| Interval information |
zozotrigu 3rd
392/375, the prograde comma, is a medium 7-limit comma measuring about 76.75 cents. It represents the amount by which two septimal narrow tritones (7/5) exceed a classic major seventh (15/8), and the amount by which three aberschismic chromatic semitones (15/14) fall short of a septimal supermajor third (9/7).
In terms of other commas, it is the difference between an aberschismic diatonic semitone (21/20) and a marvel comma (225/224). It factors into (49/48)⋅(128/125) and (28/27)⋅(126/125).
Temperaments
This comma is tempered out in progress, progression and mohamaq.
Etymology
This comma was named by OffsuitKnave in 2022, likely as a variation of progress or progression.