Electronic musical instrument

Details Electronic musical instrument Electronic musical instrument

1987-09-29

1989-06-20

Grimley, Arthur T.

Music

Instruments

84 122, 84 l23, 84 113, 84 126, G10H 100, G10H 102, G10H 106

Patent

active

048400998

ABSTRACT:
Calculations by an envelope circuit and a waveform calculation circuit, which are principal functions of an electronic musical instrument, can be performed by the same calculation routine through use of the same general formula A=B.+-.C.times.D. Accordingly, their circuit structures are substantially simplified and the circuits can be fabricated as a one-chip large scale integrated circuit.

REFERENCES:
patent: 4407018 (1983-09-01), Kanemasa
patent: 4511990 (1983-04-01), Hagiwara et al.
patent: 4736333 (1988-04-01), Mead et al.
patent: 4736663 (1988-04-01), Wawrzynek et al.

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