2025/2024: Difference between revisions

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{{Distinguish| Fokker comma }}
{{Distinguish| Fokker comma }}
'''2025/2024''', the '''fokkerisma''' is a [[23-limit]] [[Superparticular ratio|superparticular comma]] of 0.8551 [[cent]]s. It forms the difference between [[45/44]] and [[46/45]]. By tempering it out is defined the '''fokkerismic temperament''', which enables the [[fokkerismic chords]].
'''2025/2024''', the '''fokkerisma''' is a [[23-limit]] [[Superparticular ratio|superparticular comma]] of 0.8551 [[cent]]s. It is the amount by which a stack consisting of [[9/8]], [[15/11]] and [[30/23]] exceeds an [[octave]], and forms the difference between [[45/44]] and [[46/45]]. By tempering it out is defined the '''fokkerismic temperament''', which enables the [[fokkerismic chords]].


== Etymology ==
== Etymology ==
The name ''fokkerisma'' was named by [[User:Xenllium|Xenllium]], after [[Adriaan Fokker|Adriaan Daniël Fokker]], a Dutch physicist and musician. Fokker led a revival of interest in [[31edo|31-tone equal temperament]] (31EDO), and invented the Fokker organ, a 31-tone equal-tempered organ. Rational intervals 45/44 and 46/45 were mapped to 1/31 of an [[octave]] (38.71¢, halfway between both ratios) in some EDOs of the 31<i>n</i>-EDO family (such as 31EDO and [[217edo|217EDO]]). ''Not to be confused with [[Semicomma|Fokker's comma]] (2109375/2097152, 10.06¢).''
The name ''fokkerisma'' was named by [[User:Xenllium|Xenllium]] in 2023, after [[Adriaan Fokker|Adriaan Daniël Fokker]], a Dutch physicist and musician. Fokker led a revival of interest in [[31edo|31-tone equal temperament]] (31edo), and invented the Fokker organ, a 31-tone equal-tempered organ. Rational intervals 45/44 and 46/45 were mapped to 1/31 of an octave (38.71¢, halfway between both ratios) in some EDOs of the 31<i>n</i>-edo family (such as 31edo and [[217edo]]). ''Not to be confused with [[Semicomma|Fokker's comma]]'' (otherwise known as semicomma, 2109375/2097152, 10.06¢).


== See also ==
== See also ==