Adjustable clip detection system

Details Adjustable clip detection system Adjustable clip detection system

1993-11-22

1995-09-26

Mottola, Steven

Amplifiers

With amplifier condition indicating or testing means

381107, H03G 320

Patent

active

054537169

ABSTRACT:
In an adjustable clip detection system, an audio output signal is sent from a volume control integrated circuit to an amplifier. The output of the amplifier is received by a clip detection circuit. The clip detection circuit monitors the audio output from the amplifier for clipping distortion. If clipping is detected, the clip detection circuit sends a signal to a microprocessor. The microprocessor then sends a signal to a volume control integrated circuit to decrease the voltage level of the audio output until clipping is no longer detected. The amount of attenuation that the microprocessor instructs the volume control integrated circuit to perform is determined by a predetermined programmed parameter. The amount of attenuation to be performed by the volume control integrated circuit can be adjusted by sending the microprocessor a formatted message, through a multiplex bus, corresponding to the predetermined program parameter located in a look-up table.

REFERENCES:
patent: 4318053 (1982-03-01), Sondermeyer
patent: 4463341 (1984-07-01), Iwasaki
patent: 4815141 (1989-03-01), Carver et al.
patent: 5126687 (1992-06-01), Onoda et al.

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