Automatic loudness controller
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United States of America Patent
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Sep 27, 1983
Grant Date -
N/A
app pub date -
Oct 28, 1981
filing date -
Oct 28, 1981
priority date (Note) -
Expired
status (Latency Note)
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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.
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