Sub-Band Adaptive Filtering for Acoustic Echo Cancellation

被引：5
|
作者：
Dornean, Irina [1 ]
Topa, Marina [1 ]
Kirei, Botond Sandor [1 ]
Neag, Marius [1 ]
机构：
[1] Tech Univ Cluj Napoca, Basis Elect Dept, Cluj Napoca, Romania
来源：
2009 EUROPEAN CONFERENCE ON CIRCUIT THEORY AND DESIGN, VOLS 1 AND 2 | 2009年
关键词：
sub-band filtering; adaptive algorithms; acoustic echo cancellation; echo-return loss enhancement;
D O I：
10.1109/ECCTD.2009.5275107
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Sub-band filtering is employed in various system identification applications. It reduces the computational complexity and adaptation time. The paper focuses on sub-band filtering for acoustic echo cancellation. A Simulink model for 2, 4, 8 sub-bands was created and simulated. The echo is created by applying a vocal test to a first Schroeder reverberator. The performance of the full- and sub-band echo canceller is measured in terms of error signal and echo-return loss enhancement.
引用
收藏
页码：810 / 813
页数：4
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