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

页码：810 / 813

页数：4

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