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.
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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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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