发明名称 ECHO CANCELLING/SUPPRESSION FOR HANDSETS
摘要 A method for suppressing echo signals generated in a communication path such as acoustic coupling between a speaker and a microphone in a telephone device handset includes the steps of monitoring signals supplied to the communication path to determine an attribute thereof and masking signals received from the communication path as a function of the determined attribute of the monitored signals thereby to suppress echo.
申请公布号 CA2293911(C) 申请公布日期 2004.06.01
申请号 CA19992293911 申请日期 1999.12.29
申请人 MITEL CORPORATION 发明人 POPOVIC, MIRJANA;SCHULZ, DIETER
分类号 H04M9/08;(IPC1-7):H04B3/23;H04B7/015;H04M1/20 主分类号 H04M9/08
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