Adaptive feedback cancellation based on variable step-size affine projection for hearing aids

被引：0
|
作者：
Qin Haijuan [1 ]
Zhang Linghua [1 ,2 ]
机构：
[1] College of Telecommunication & Information Engineering, Nanjing University of Posts and Telecommunications
[2] Jiangsu Provincial Engineering Research Center of Telecommunications and Network Technology
来源：
The Journal of China Universities of Posts and Telecommunications | 2015年 / 01期
关键词：
adaptive feedback cancellation; VSS; APA; adaptive filter; hearing aids;
D O I：
暂无
中图分类号：
TH785.1 [];
学科分类号：
1004 ;
摘要：
A new variable step-size(VSS) affine projection algorithm(APA)(VSS-APA) was proposed for adaptive feedback cancellation suitable for hearing aids. So, a nonlinear function between step-size and estimation error is established and automatically adjusted according to the change of the estimation error, which leads to low misalignment and fast convergence speed. Analysis of the proposed algorithm offers large capacities in converging to the objective system. Simulation shows that the proposed algorithm achieves lower misalignment and faster convergence speed compared to fixed step-size APA and conventional adaptive algorithms.
引用
收藏
页码：6 / 10 +56
页数：6
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