Orchestra chorus in an electronic musical instrument

Details Orchestra chorus in an electronic musical instrument Orchestra chorus in an electronic musical instrument

1980-12-22

1982-08-03

Witkowski, Stanley J.

Music

Instruments

84 119, 84 125, 84DIG2, 84DIG4, G10H 102, G10H 122

Patent

active

043422489

ABSTRACT:
A keyboard operated electronic musical instrument in which a number of tone generators are assigned to actuated keyswitches. When a keyswitch is actuated, a tone generator is assigned with a musical waveshape selected from a library of waveshapes which are ordered in a predetermined arrangement. The assignment of waveshapes is made in a priority order according to the musical frequencies associated with the actuated keyswitches so that a chorus effect is obtained in which each note of a group of simultaneous notes has its own tone color. The assignment of waveshapes is made in an adaptive manner so that the melody line retains its own distinctive sound even when the number of notes played simultaneously on a keyboard changes. Vibrato effects can selectively be applied to any of the set of waveshapes.

REFERENCES:
patent: 3757022 (1973-09-01), Markowitz
patent: 3978755 (1976-09-01), Woron

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