Automatic gain expansion system
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United States of America Patent
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-
Nov 14, 1989
Grant Date -
N/A
app pub date -
Jun 20, 1988
filing date -
Jun 20, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A system for the high gain amplification of musical audio signals uses a control signal derived from the audio signal to automatically vary the current in the gain control circuit of the amplifier in response to audio signal level changes. A distortion circuit in the feedback path of the amplifier provides controlled distortion. The system may also provide for a variable control signal threshold level and for variation in control signal decay characteristics. The system may further provide a user variable maximum gain control.
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