An Adaptive Acoustic Echo Cancellation Algorithm Based on Subband Decomposition and Conjugate Gradient Method

被引:2
作者
ZHAO Xiaohui ZHAO YueLaboratory of Information Science College of Communication Engineering Jilin University Changchun China [130012 ]
机构
关键词
acoustic echo cancellation; subband decomposition; conjugate gradient; filter bank;
D O I
暂无
中图分类号
TP301 [理论、方法];
学科分类号
081202 ;
摘要
An adaptive conjugate gradient algorithm based on subbands decomposition structure is proposed for acoustic echo cancellation in this paper. Through frequency decomposition technique and conjugate gradient algorithm,adaptive filters operate in each decimated sub-band. This new algorithm can ensure convergence with high speed and reduce computational complexity. Simulation results indicate that the proposed algorithm demonstrates good performance for acoustic echo cancellation.
引用
收藏
页码:75 / 78
页数:4
相关论文
共 1 条
[1]  
Hands-free telephonesjoint control of echo cancellation and postfiltering. HANSLER E, SCHMIDT G U. Signal Processing . 2000