Electronic musical instrument by nonlinearly addressing waveform

Details Electronic musical instrument by nonlinearly addressing waveform Electronic musical instrument by nonlinearly addressing waveform

1978-10-23

1980-09-23

Truhe, J. V.

Music

Instruments

84 119, 328 16, G10H 100

Patent

active

042235820

ABSTRACT:
In an electronic musical instrument wherein a frequency information related to the tone pitch of a depressed key is repeatedly accumulated and the progressing accumulated value is used to designate the addresses of a waveform memory device storing the waveform of a desired musical tone, the frequency information is varied with time instantaneously so as to vary the speed of addressing the waveform memory and thereby to vary the waveform read out from the waveform memory device, thus changing the color of the produced musical tone.

REFERENCES:
patent: 3515792 (1970-06-01), Deutsch
patent: 3633017 (1972-01-01), Crooke
patent: 3809786 (1974-05-01), Deutsch
patent: 3882751 (1975-05-01), Tomisawa et al.
patent: 3952623 (1976-04-01), Deutsch
patent: 4127047 (1978-11-01), Tomisawa

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