A PRACTICAL DATA-REUSE ADAPTIVE ALGORITHM FOR ACOUSTIC ECHO CANCELLATION

被引：0

作者：

Paleologu, Constantin ^{[1
]}

Benesty, Jacob ^{[2
]}

机构：

[1] Univ Politehn Bucuresti, Bucharest, Romania

[2] Univ Quebec, INRS EMT, Quebec City, PQ, Canada

来源：

2012 PROCEEDINGS OF THE 20TH EUROPEAN SIGNAL PROCESSING CONFERENCE (EUSIPCO) | 2012年

关键词：

Adaptive filters; acoustic echo cancellation; data-reuse; variable step size (VSS); AFFINE PROJECTION ALGORITHM; STEP-SIZE NLMS; LMS ALGORITHM;

D O I：

暂无

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：

There are many strategies to improve the overall performance of the classical adaptive filters. Among these strategies, the data-reuse algorithms aim to improve the convergence rate by reusing the same set of data (i.e., the input and reference signals) several times. Another possibility is to use a variable step size (VSS) to achieve a proper compromise between the convergence rate and misadjustment of the adaptive filter. Nevertheless, both approaches increase the computational complexity. In this paper, we present an efficient data-reuse algorithm, which is the result of a combination between 1) a low-complexity implementation of the data-reuse process and 2) a simple and practical mechanism for controlling the step size. Simulations performed in the context of acoustic echo cancellation indicate the good performance of the proposed approach.

引用

页码：2010 / 2014

页数：5

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