User:VectorGraphics/Vector's introduction to 15edo/Intervals: Difference between revisions
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* the chromatic semitone, or chroma, found by stepping down 1 and right 2 on the table. This separates intervals with the same class, but different qualities. | * the chromatic semitone, or chroma, found by stepping down 1 and right 2 on the table. This separates intervals with the same class, but different qualities. | ||
* the ptolemaic semitone, or syntonic comma, found by stepping up 4 and left 1 on the table. This separates standard intervals from "wolf" intervals. | * the ptolemaic semitone, or syntonic comma, found by stepping up 4 and left 1 on the table. This separates standard intervals from "wolf" intervals. | ||
* the compound semitone, or diaschisma, found by stepping up 4 and right 2 on the table. This separates fifth-generated "diatonic" intervals and their augmented or diminished zarlino counterparts. | * the compound semitone, or diaschisma, found by stepping up 4 and right 2 on the table. This separates fifth-generated "diatonic" intervals and their augmented or diminished zarlino counterparts. Note that this "compound semitone" is actually the ''complement'' of the just diaschisma, since the diaschisma proper is a negative interval in 15edo. | ||