System for controlling the dynamic range of electric musical ins

Details System for controlling the dynamic range of electric musical ins System for controlling the dynamic range of electric musical ins

1989-10-04

1991-04-16

Mottola, Steven

Amplifiers

With semiconductor amplifying device

Including frequency-responsive means in the signal...

333 14, 381106, H03F 3191

Patent

active

050086340

ABSTRACT:
A system is provided for use with an electrical musical instrument for conditioning electrical signals generated by the instrument. The system includes an amplifier circuit having an input for responding to the signals and an output to provide a conditioned output signal. At least one compressor is operatively connected to the input for responding to the amplitude of the signals to provide a compressed signal to the amplifier circuit that is variable as a nonlinear function of the amplitude. Also provided are a pair of bandpass filters in parallel for frequency preemphasis of the compressed signal. Also provided is time modulation circuitry for permitted certain musical sound effects.

REFERENCES:
patent: 4190806 (1980-02-01), Wermuth
patent: 4701953 (1987-10-01), White
patent: 4739514 (1988-04-01), Short et al.
patent: 4815142 (1989-03-01), Inreh

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