Adaptive automatic gain control

Details Adaptive automatic gain control Adaptive automatic gain control

1984-07-25

1986-11-25

Groody, James J.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358174, 358198, 375 98, 381104, 455234, H04N 704, H04N 552

Patent

active

046252401

ABSTRACT:
A method and apparatus for optimally processing television compressed audio signals by adaptively controlling the gain of the apparatus. The average value of the digitized signal is compared to a reference value to produce a gain control signal. A variable input video signal amplitude is automatically accommodated to a fixed analog to digital converter range.

REFERENCES:
patent: 4234892 (1980-11-01), Mochizuki et al.
patent: 4429332 (1984-01-01), Pargee, Jr.
patent: 4434439 (1984-02-01), Steckler et al.

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