Audio signal processor

Details Audio signal processor Audio signal processor

1997-07-25

2000-08-08

Harvey, Minsun Oh

Electrical audio signal processing systems and devices

Including frequency control

Automatic tone control

333 28T, 455267, H03G 500

Patent

active

061012572

ABSTRACT:
An audio signal processor is disclosed which has at least one audio signal input and at least one audio signal output as well as at least one control input, and an audio signal processing unit connected between audio signal input and audio signal output, the audio signal processing unit having a programmable indicator tone generator circuit to be driven via the control input and whose indicator tone signal is switched to the audio signal output in accordance with the state of the control input.

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patent: 5666430 (1997-09-01), Rzeszewski
patent: 5708723 (1998-01-01), Nishino
patent: 5802187 (1998-09-01), Hsu

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