Polyphonic tone synthesizer with harmonic range selection

Details Polyphonic tone synthesizer with harmonic range selection Polyphonic tone synthesizer with harmonic range selection

1985-04-05

1986-07-22

Adams, Russell E.

Music

Instruments

84 122, G10H 102

Patent

active

046012290

ABSTRACT:
In a keyboard operated electronic musical instrument in which a plurality of data words corresponding to the amplitudes of a corresponding number of evenly spaced points defining a cycle of an audible musical waveform are transformed at an average rate corresponding to the fundamental frequency of the tone being generated, a computation means is provided whereby the number of data words is varied adaptively with the fundamental frequency. The adaptive variation in the number of data points per waveshape cycle is accompanied by an associated adaptive variation in the maximum number of harmonics for the generated musical tone.

REFERENCES:
patent: 4022098 (1977-05-01), Deutsch et al.
patent: 4085644 (1978-04-01), Deutsch et al.
patent: 4357851 (1982-11-01), Markowitz et al.
patent: 4375178 (1983-03-01), Whitefield
patent: 4468996 (1984-09-01), Deutsch

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