Complex signal activity detection for improved speech/noise classification of an audio signal
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United States of America Patent
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Jul 23, 2002
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N/A
app pub date -
Nov 5, 1999
filing date -
Nov 23, 1998
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Abstract
Perceptually relevant non-speech information can be preserved during encoding of an audio signal by determining whether the audio signal includes such information. If so, a speech/noise classification of the audio signal is overriden to prevent misclassification of the audio signal as noise.
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