User:Astaryuu/15edo Notes/Notes and chords: Difference between revisions

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==The semitone==
==The semitone==
In 12edo, an "edostep" is 100 cents exactly - this is the definition of a cent, in fact. However, 15edo's edostep has edosteps of 80¢. This is initially noticeably distinct from the semitone, which in standard harmony is usually defined as 1\12 exactly. Note the notation: two numbers on either side of a back slash, in the form X\Y, mean X steps of Y, so 1\12 is one step in 12edo.
In 12edo, an "edostep" is 100 cents exactly - this is the definition of a cent, in fact. However, 15edo's edostep has a size of 80¢. This is initially noticeably distinct from the semitone, which in standard harmony is usually defined as 1\12 exactly. Note the notation: two numbers on either side of a back slash, in the form X\Y, mean X steps of Y, so 1\12 is one step in 12edo.


While it's not quite the 100¢ "standard" semitone size, 1\15 is similar enough to the 12edo semitone that one can get used to it as the new semitone, especially if used in the right context. It's also a close approximation of the [[valentine]] semitone, which is why 15edo's chromatic scale is also called "valentine".
While it's not quite the 100¢ "standard" semitone size, 1\15 is similar enough to the 12edo semitone that one can get used to it as the new semitone, especially if used in the right context. It's also a close approximation of the [[valentine]] semitone, which is why 15edo's chromatic scale is also called "valentine".