Automatic loudness controller

Details Automatic loudness controller Automatic loudness controller

1981-10-28

1983-09-27

Pellinen, A. D.

Amplifiers

Signal feedback

Combined with control of bias voltage of signal amplifier

179 1F, 330103, G01H 500

Patent

active

044069235

ABSTRACT:
The herein-described broadcast apparatus for controlling the loudness level of program signals includes a variable gain device for increasing or decreasing the level of incoming program material as a function of program loudness while simultaneously holding the output level below a preset level to assure proper modulation levels and/or to prevent excessive reaction by peak limiters which usually follow the loudness controller in the broadcast chain.

REFERENCES:
patent: 3582964 (1971-06-01), Torick et al.
patent: 3594506 (1971-07-01), Bauer et al.

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