发明名称 |
A METHOD AND ARRANGEMENT FOR ELIMINATION OF ACOUSTIC ECHOES IN A TELECOMMUNICATION SYSTEM |
摘要 |
The present invention relates to a method and an arrangement for reducing acoustic echoes in connection with a telephone call, in which at least one part is using a handsfree telephone (10). The inventive idea is basically to implement an Acoustic Echo Controlling (AEC) device (14) in a digital exchange (12) in a telecommunications system. Thus, the AEC function can be reached from all telephones connected to the digital exchange.
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申请公布号 |
WO9721280(A1) |
申请公布日期 |
1997.06.12 |
申请号 |
WO1996SE01612 |
申请日期 |
1996.12.06 |
申请人 |
TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) |
发明人 |
GUSTAFSSON, SUNE;ERIKSSON, JOHN-ERIK |
分类号 |
H04M9/08;(IPC1-7):H04B3/23 |
主分类号 |
H04M9/08 |
代理机构 |
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地址 |
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