Audio signal processing circuit for electric guitars for simulat

Details Audio signal processing circuit for electric guitars for simulat Audio signal processing circuit for electric guitars for simulat

1996-10-16

1998-03-24

Shoop, Jr., William M.

Music

Instruments

Electrical musical tone generation

84DIG9, G10H 112

Patent

active

057315361

ABSTRACT:
The device is designed to receive at its input the analog AC output signal of an electric guitar either directly from the guitar, its amplifier or a speaker. The incoming signal is fed to three series connected circuits which successively boost the bass and treble frequencies, and then reduce the signal level between the bass and treble peaks before applying the processed signal to an output circuit. A high frequency adder circuit connected in parallel with the three series connected circuits permits frequencies above a certain level (10 KHz) to be added back to the processed signal at the output circuit. One switch is operable in the bass boost circuit to introduce different resistance selectively to raise or lower the frequency center and gain of the circuit, and another switch at the input of the device is operable to add resistance when the input signal is from a speaker.

REFERENCES:
patent: 4405832 (1983-09-01), Sondermeyer
patent: 4937874 (1990-06-01), Pittman et al.
patent: 4995084 (1991-02-01), Pritchard
patent: 5133014 (1992-07-01), Pritchard

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