Normalized Subband Adaptive Filter Algorithm with Combined Step Size for Acoustic Echo Cancellation

被引：9
|
作者：
Shen, Zijie [1 ]
Yu, Yi [1 ]
Huang, Tianmin [2 ]
机构：
[1] Southwest Jiaotong Univ, Sch Elect Engn, Chengdu, Peoples R China
[2] Southwest Jiaotong Univ, Sch Math, Chengdu, Peoples R China
来源：
CIRCUITS SYSTEMS AND SIGNAL PROCESSING | 2017年 / 36卷 / 07期
基金：
中国国家自然科学基金;
关键词：
Normalized subband adaptive filter algorithm; Combined step size; Sigmoidal activation function; Acoustic echo cancellation; H-INFINITY CONTROL; NLMS ALGORITHM; COMBINATION; SYSTEMS; CONVERGENCE; SCHEME;
D O I：
10.1007/s00034-016-0429-x
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：
A novel normalized subband adaptive filter algorithm with combined step size is proposed for acoustic echo cancellation, which is derived by utilizing a variable mixing parameter to combine a large step size and a small one, thus providing fast convergence rate and small steady-state error. The mixing parameter is indirectly updated by utilizing the stochastic gradient method which minimizes the sum of squared subband errors. Simulation results demonstrate the superiority of the proposed algorithm in terms of the convergence rate and steady-state error as compared to other algorithms mentioned in this paper.
引用
收藏
页码：2991 / 3003
页数：13
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