Apparatus and method for automatic gain control
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United States of America Patent
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Jan 3, 2017
Grant Date -
Jan 24, 2013
app pub date -
Jul 22, 2011
filing date -
Jul 22, 2011
priority date (Note) -
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Abstract
A speech signal is received at an input. At least one electrical value associated with the received speech signal is tracked. A dynamic adjustment of the speech signal is determined. The dynamic adjustment is selected at least in part so as to minimize a distortion and minimize an over-amplification of the speech signal based at least in part upon an analysis of the at least one electrical value. The dynamic adjustment is further selected to obtain a desired output signal characteristic for the speech signal presented at an output. The dynamic adjustment value is applied to the speech signal and the adjusted speech signal is presented at the output. The gain of the signal can also be limited to prevent over-amplification.
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