Compressed domain voice activity detector
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United States of America Patent
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Jun 13, 2006
Grant Date -
Jul 17, 2003
app pub date -
Sep 13, 2002
filing date -
Apr 2, 2001
priority date (Note) -
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Abstract
The system and method of the present invention comprises a compressed domain voice activity detector that detects the presence or absence of voice activity in a digital input signal. The method includes converting a digital input signal into parametric data. The parametric data is subsequently analyzed, and then compared against a background noise threshold to determine if voice activity is present.
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