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| '''Lefts and rights notation''' is a notation for [[just intonation]] primarily developed by [[User:CompactStar|CompactStar]].
| | #redirect [[User:CompactStar/Lefts and rights notation]] |
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| == Explanation ==
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| All just intervals are indicated by a direction, which is a sequence of lefts and rights, and a degree. The degree is calculated by adding 1 to the [[7edo]] [[patent val]] [[mapping]] of a ratio. The "default" direction, with no lefts or rights is central (C). If k is a degree, the central k-th is formally defined as the simplest (with respect to [[Tenney height]]) just k-th that is within 20 cents of (k-1)\7. Central intervals are usually perfect or neutral intervals, although in the case of central seconds and sevenths they are [[equable heptatonic]].
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| == Examples ==
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| Below are some examples of lefts and rights notation for [[11-odd-limit]] intervals:
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