Just intonation point: Difference between revisions

Mike Battaglia (talk | contribs)
clarified JIP
Mike Battaglia (talk | contribs)
clarification
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The '''JIP''' ('''just intonation point''') is a special tuning map that maps every monzo in some subgroup to its size in cents.
The '''JIP''' ('''just intonation point''') is a special tuning map that maps every monzo in some subgroup to its span in cents (or any other unit), relative to the point 1/1 (which maps to 0 cents).


For instance, in 5-limit JI, the JIP is {{val | 1200.000 1901.955 2786.314 }}; if we take the bracket product of this tuning map with any monzo, we get its size in cents.
For instance, in 5-limit JI, the JIP is {{val | 1200.000 1901.955 2786.314 }}; if we take the bracket product of this tuning map with any monzo, we get its size in cents. Of course, one can always build the JIP using different units than cents.


For prime limits, the JIP has a particularly simple definition in Tenney-weighted coordinates, where it is always the all-ones vector or {{val | 1 1 1 ...}}.
For prime limits, the JIP has a particularly simple definition in Tenney-weighted coordinates, where it is always the all-ones vector or {{val | 1 1 1 ...}}.