Research on shiftability of wavelet packet subbands decomposition for echo cancellation

被引：0
|
作者：
Wang, YD [1 ]
Zhu, YN [1 ]
机构：
[1] Sichuan Univ, Dept Radio Elect, Chengdu 610064, Sichuan, Peoples R China
来源：
ICSP '98: 1998 FOURTH INTERNATIONAL CONFERENCE ON SIGNAL PROCESSING, PROCEEDINGS, VOLS I AND II | 1998年
关键词：
D O I：
10.1109/ICOSP.1998.770210
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
Adaptive echo cancellation using the wavelet packed subband decomposition can reduce the computation burden significantely, but suffer from a problem of non-shiftability. An approach to adjust the original wavelet function intend to solve this problem has been proposed in the paper.The relationship between perfect reconstruction (PR) and shiftbility has been disccused also.
引用
收藏
页码：296 / 299
页数：4
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