Electronic audio system

Details Electronic audio system Electronic audio system

1985-11-27

1987-07-28

Isen, Forester W.

Electrical audio signal processing systems and devices

Sound effects

84DIG4, 84 124, H03G 300

Patent

active

046835890

ABSTRACT:
An electronic audio signal processor circuit particularly suited for electrical instruments as an electric bass guitar for providng controlled distortion and tone alteration. The circuitry includes a compressor circuit at the input operated in conjunction with a detector which in accordance with the invention is an RMS detector. Also, at the input circuitry is a distortion switch which controls the type of distortion that is generated. This distortion switch is used in conjunction with a distortion amplifier, the output of which couples to a resistive sensing network. The network feeds the audio signals to a low EQ circuit, a mid EQ circuit and a high EQ circuit. Associated with the high EQ circuit is a clipper switch and at the output of the EQ circuitry is an EQ switch for providing a preferred predetermined frequency response wave forms. A high frequency compressor and associated switch is also associated with the EQ switch. The output circuitry includes a chorus circuit and associated chorus control switch. Appropriate mixing is provided at the output.

REFERENCES:
patent: 4180707 (1979-12-01), Moog
patent: 4283600 (1981-08-01), Cohen
patent: 4400583 (1983-08-01), Bloy
patent: 4405832 (1983-09-01), Sondermayer
patent: 4484345 (1984-11-01), Stearns
patent: 4495640 (1985-01-01), Frey

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