GPDO

A GPDO^{[idiosyncratic term]} (geometric pitch division of the octave) or EDQ^{[idiosyncratic term]} (equal division of the quatave) is a type of octave-repeating scale obtained by taking a segment from a geometric pitch sequence. In the first octave, the k-th step of n-GPDO is equal to 2^2k/n-1 times the root frequency. The underlying GPS is a geometric series of pitches starting at 2/1 (1200 ¢) and multiplying the previous pitch by 2^1/n each time, and the segment from 2/1 to 4/1, spanning one octave, is taken to construct a GPDO.

Individual pages for GPDOs

• 1gpdo
• 2gpdo
• 3gpdo

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