发明名称 |
Method and system for eliminating acoustic echos in a digital telecommunication system |
摘要 |
Acoustic echo reduction is accomplished in connection with a telephone call utilizing a handsfree telephone unit. An Acoustic Echo Controlling (AEC) device (14) is implemented in a digital exchange (12) of the telecommunication system so that the reduction of acoustic echoes can be achieved from all telephones connected to the digital exchange.
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申请公布号 |
US5923749(A) |
申请公布日期 |
1999.07.13 |
申请号 |
US19960753430 |
申请日期 |
1996.11.25 |
申请人 |
TELEFONAKTIEBOLAGET LM ERICSSON |
发明人 |
GUSTAFSSON, SUNE MICAEL;ERIKSSON, JOHN-ERIK SAMUEL |
分类号 |
H04M9/08;(IPC1-7):H04B3/20 |
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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