1323/1280: Difference between revisions

Eliora (talk | contribs)
Created page with "1323/1280, the septimal 2/7-tone, is a 7-limit ratio very close to the step of 21edo. == Theory == If taken as a comma to be tempered, it produces greenwood. If it is..."
 
BudjarnLambeth (talk | contribs)
mNo edit summary
 
(2 intermediate revisions by 2 users not shown)
Line 1: Line 1:
1323/1280, the septimal 2/7-tone, is a 7-limit ratio very close to the step of [[21edo]].
{{Infobox Interval
|Ratio = 1323/1280
|Name = septimal 2/7-tone, septimal 21st-octave
|Color name = Lzzg2, lazozogu 2nd
|Comma = yes
}}
'''1323/1280''', the '''septimal 2/7-tone''', is a 7-limit ratio very close to the step of [[21edo]].


== Theory ==
== Theory ==
If taken as a comma to be tempered, it produces [[greenwood]]. If it is taken as a period and assigned to 1\21 of the octave, it produces [[akjayland]] and temperaments like 441 & 1848.
If taken as a comma to be tempered, it produces [[greenwood]]. If it is taken as a period and assigned to 1\21 of the octave, it serves as a period in the [[akjayland]] temperament.


{{Monzo|-169,63,-21,42}} is a comma that results from the difference of 21 instances of this interval with the octave. For EDOs N up to ~5000, it is tempered out if and only if 21 divides N.
{{Monzo|-169 63 -21 42}} is a comma that results from the difference of 21 instances of this interval with the octave. For EDOs N up to ~5000, it is tempered out if and only if 21 divides N.
 
[[Category:Commas named after their interval size]]