Rodan comma: Difference between revisions

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The '''rodan comma''' ({{monzo|legend=1| 20 -17 3 }}, [[ratio]]: 131072000/129140163), otherwise known as the '''roda''', is a [[small comma|small]] [[5-limit]] [[comma]] of about 25.7 [[cent]]s. It is the difference between the [[256/243|Pythagorean diatonic semitone (256/243)]] and a stack of three [[syntonic comma]]s. Tempering it out leads to the 5-limit version of [[rodan]].
The '''rodan comma''' ({{monzo|legend=1| 20 -17 3 }}, [[ratio]]: 131072000/129140163), otherwise known as the '''roda''', is a [[small comma|small]] [[5-limit]] [[comma]] of about 25.7 [[cent]]s. As part of the [[syntonic–diatonic equivalence continuum]], it is the difference between the [[256/243|Pythagorean diatonic semitone (256/243)]] and a stack of three [[syntonic comma]]s. It is also the amount by which a stack of three [[729/640|acute whole tones (729/640)]] falls short of the [[3/2|perfect fifth]].  


== See also ==
== Temperaments ==
* [[Syntonic-diatonic equivalence continuum]]
{{see also|Syntonic–diatonic equivalence continuum#Rodan (5-limit) }}
[[Tempering out]] this comma leads to the 5-limit version of [[rodan]].


[[Category:Rodan]][[Category:Commas named after individuals]]
[[Category:Rodan]]
[[Category:Commas named after mythology or literature]]