Improvement for Hearing Aids System Using Adaptive Beam-forming Algorithm 


Vol. 29,  No. 5, pp. 673-682, May  2004


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  Abstract

The adaptive beam-forming is promising approach for noise reduction in hearing aids. This approach has come in the focus of interest only recently, because of the availability of new and powerful digital signal processors. The adaptation process using usually a Least Mean Squares algorithm, updates the weight vector.
In this paper, we propose a fast wavelet based adaptive algorithm using variable step size algorithm which varies adaptive constant by the change of signal environment.
We compared the perfonnance of the proposed algorithm with the known adaptive algorithm using computer simulation of multi channel adaptive bemfonner in hearing aids. As the result the proposed algorithm is suitable for adaptive signal processing area using hearing aids and has advantages reducing computational complexity. And we show the beam-fonning system using proposed algorithm converges stably in a sudden change of system environment.

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  Cite this article

[IEEE Style]

C. Lee and S. Oh, "Improvement for Hearing Aids System Using Adaptive Beam-forming Algorithm," The Journal of Korean Institute of Communications and Information Sciences, vol. 29, no. 5, pp. 673-682, 2004. DOI: .

[ACM Style]

Chae-Wook Lee and Shin-Bum Oh. 2004. Improvement for Hearing Aids System Using Adaptive Beam-forming Algorithm. The Journal of Korean Institute of Communications and Information Sciences, 29, 5, (2004), 673-682. DOI: .

[KICS Style]

Chae-Wook Lee and Shin-Bum Oh, "Improvement for Hearing Aids System Using Adaptive Beam-forming Algorithm," The Journal of Korean Institute of Communications and Information Sciences, vol. 29, no. 5, pp. 673-682, 5. 2004.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880