发明名称 VERFAHREN UND VORRICHTUNG FÜR STEREOECHOUNTERDRÜCKUNG IN EINEN VOIP- KOMMUNIKATIONSYSTEMEN
摘要 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.
申请公布号 AT280453(T) 申请公布日期 2004.11.15
申请号 AT20010920406T 申请日期 2001.03.15
申请人 BROADCOM CORPORATION 发明人 THI, JAMES, C., H.;RABENKO, THEODORE, F.
分类号 H04B3/23;H04M3/00;H04M7/00 主分类号 H04B3/23
代理机构 代理人
主权项
地址