Electronic musical instrument

Details Electronic musical instrument Electronic musical instrument

1980-11-19

1982-08-10

Truhe, J. V.

Music

Instruments

84 122, 84 101, G10H 102

Patent

active

043432182

ABSTRACT:
An electronic musical instrument is of a type wherein a tone is synthesized by combining partials and of a type which utilizes a tone production assignment technology including a small number of tone generating circuits for a large number of playing keys. When a key is depressed to designate a tone to be produced in a certain tone color, generations of the partials for constituting that tone are respectively assigned to time slots of time division multiplexing channels. Upon depression of keys, frequencies and envelopes are designated partial by partial and each of such designations is separately assigned to an available one of the time slots.
Thus the time slots are efficiently used for production of a large number of tones.

REFERENCES:
patent: 3809786 (1974-05-01), Deutsch
patent: 3809789 (1974-05-01), Deutsch
patent: 3908504 (1975-09-01), Deutsch
patent: 4033219 (1977-07-01), Deutsch
patent: 4083285 (1978-04-01), Chibana
patent: 4205577 (1980-06-01), Deutsch

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