Envelope generator for electronic musical instruments

Details Envelope generator for electronic musical instruments Envelope generator for electronic musical instruments

1981-11-25

1983-12-20

Isen, F. W.

Music

Instruments

84 113, G10H 102

Patent

active

044210035

ABSTRACT:
In the generation of an envelope waveshape of a musical note to be produced in response to a key depression, speed parameters of the envelope which are determined corresponding to the speed of its attack, decay and release are produced digitally. The envelope waveshape is obtained by calculations based on the speed parameters. The formation of the envelope waveshape of the musical note, its volume level control and its tone control can be achieved with simple arrangements.

REFERENCES:
patent: 4079650 (1978-03-01), Deutsch et al.
patent: 4267763 (1981-05-01), Futamase et al.
patent: 4332183 (1982-06-01), Deutsch

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