| 发明名称 |
AN ADAPTIVE ECHO CANCELLATION METHOD |
| 摘要 |
An adaptive echo cancellation method determines a long time aver age (12) of an input signal and a short time average (14) of the same signal, and prevents updating of an adaptive filter if the short time average (14) falls below (24) the long time average.
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| 申请公布号 |
CA2234555(A1) |
申请公布日期 |
1997.04.17 |
| 申请号 |
CA19962234555 |
申请日期 |
1996.10.02 |
| 申请人 |
TELEFONAKTIEBOLAGET LM ERICSSON |
发明人 |
KARLSEN, JOHNNY;ERIKSSON, ANDERS |
| 分类号 |
H04B3/23;(IPC1-7):H04B3/23 |
主分类号 |
H04B3/23 |
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