Overdubbing apparatus for electronic musical instrument

Details Overdubbing apparatus for electronic musical instrument Overdubbing apparatus for electronic musical instrument

1986-09-02

1988-07-05

Witkowski, S. J.

Music

Instruments

84 126, 84 127, 84 128, 84477R, G10H 1057, G10H 108, G10H 146, G10H 700

Patent

active

047546808

ABSTRACT:
A tone generation control unit has four waveform read/write channels for selectively reading or writing data in a waveform memory. A plurality of waveform signals stored in the waveform memory are converted into analog signals to be subjected to timbre and tone volume control through voltage-controlled filters and voltage-controlled amplifiers before being fed to a mixing adder. An output signal of the mixing adder is converted into a digital signal which is stored in the waveform memory again through processing of the tone generation control unit.

REFERENCES:
patent: 4195544 (1980-04-01), Koike
patent: 4305319 (1981-12-01), Linn
patent: 4383462 (1982-05-01), Nagai et al.
patent: 4442745 (1984-04-01), Gross et al.
patent: 4461199 (1984-07-01), Hiyoshi et al.
patent: 4502361 (1985-03-01), Viitanen et al.
patent: 4539884 (1985-09-01), Aoki

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