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- Diaschisma abstract "The diaschisma (or diacisma) is a small musical interval defined as the difference between three octaves and four perfect fifths plus two major thirds (in just intonation). It can be represented by the ratio 2048:2025 and is about 19.5 cents. The use of the name diaschisma for this interval is due to Helmholtz; earlier Rameau had called that interval a "diminished comma" or comma minor.Medieval theorists Boethius and Tinctoris described the diaschisma as one-half of the Pythagorean minor second, or 256/243, which would give an interval of 45 cents.Tempering out the diaschisma, in the modern meaning of the term, leads to diaschismic temperament. The diaschisma is tempered out in the usual system of 12 equal temperament; in fact, 12 equal temperament can be characterized as the 5-limit temperament that tempers out both the syntonic comma of 81/80 and the diaschisma. However, it is possible to improve the tuning a good deal over that of 12-et and still temper out the diaschisma; the equal temperaments with 22, 34 and 46 notes all temper it out.".
- Diaschisma thumbnail Diaschisma_on_C.png?width=300.
- Diaschisma wikiPageID "2683915".
- Diaschisma wikiPageRevisionID "574977303".
- Diaschisma hasPhotoCollection Diaschisma.
- Diaschisma subject Category:5-limit_tuning_and_intervals.
- Diaschisma subject Category:Commas.
- Diaschisma type Abstraction100002137.
- Diaschisma type Comma106842852.
- Diaschisma type Commas.
- Diaschisma type Communication100033020.
- Diaschisma type Mark106817782.
- Diaschisma type Punctuation106841365.
- Diaschisma type Signal106791372.
- Diaschisma type Symbol106806469.
- Diaschisma type WrittenSymbol106817623.
- Diaschisma comment "The diaschisma (or diacisma) is a small musical interval defined as the difference between three octaves and four perfect fifths plus two major thirds (in just intonation). It can be represented by the ratio 2048:2025 and is about 19.5 cents.".
- Diaschisma label "Diaschisma".
- Diaschisma label "Диасхизма".
- Diaschisma sameAs m.07xs_y.
- Diaschisma sameAs Q4161079.
- Diaschisma sameAs Q4161079.
- Diaschisma sameAs Diaschisma.
- Diaschisma wasDerivedFrom Diaschisma?oldid=574977303.
- Diaschisma depiction Diaschisma_on_C.png.
- Diaschisma isPrimaryTopicOf Diaschisma.
