Method and system for stereo echo cancellation for VoIP communication systems
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United States of America Patent
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Apr 30, 2013
Grant Date -
Oct 21, 2010
app pub date -
Jun 28, 2010
filing date -
Mar 15, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
An exemplary embodiment of the present invention is directed toward a method and system for cancelling line echo in the presence of a known secondary audio signal. Filter adaption is enabled in the presence of a known secondary audio source such as the sound of a computer game, a music signal or other secondary audio sources that would otherwise prevent echo cancellation due to an apparent double talk condition. It is emphasized that this abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. It is submitted with the understanding that it will not be used to interpret or limit the scope or the meaning of the claims.
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