Sound interface circuit

Details Sound interface circuit Sound interface circuit

1983-02-27

1987-07-07

Witkowski, S. J.

Music

Instruments

84 127, 84DIG9, G10H 112, G10H 146

Patent

active

046778900

ABSTRACT:
A sound interface circuit is implemented in large scale integrated circuitry (LSI) on a single chip to provide 3 voice electronic music synthesizer/sound effects, and is compatible with instructions from commercially available microprocessors; whereof a wide range, high-resolution control of pitch (frequency) tone color (harmonic content) and dynamics (volume) is achieved and specialized control circuitry minimizes software overhead, facilitating use in arcade/home video games and low cost musical instruments.

REFERENCES:
patent: 4377960 (1983-03-01), Okumura
patent: 4416178 (1983-11-01), Ishida
patent: 4453439 (1984-06-01), Koike
patent: 4479411 (1984-10-01), Ishibashi

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