A Feedback and Noise Cancellation Algorithm of Hearing Aids Using Adaptive Beamforming Method 


Vol. 35,  No. 1, pp. 96-102, Jan.  2010


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  Abstract

This paper proposes a new adaptive algorithm to cancel the acoustic feedback and noise signals in the digital hearing aids. The proposed algorithm improves its convergence performances by canceling the speech signal from the residual signal using two microphones. The feedback canceller firstly cancels the feedback signal among the mic signal, and then it is reduced the noise using the beamforming method. To verify the performances of the proposed algorithm, the simulations were carried out for some cases. As the results of simulations, it was proved that the feedback canceller and the noise canceller advance about 14.43 ㏈ for SFR, 10.19 ㏈ for SNR respectively during speech, in the case of using the new algorithm.

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  Cite this article

[IEEE Style]

H. Lee, "A Feedback and Noise Cancellation Algorithm of Hearing Aids Using Adaptive Beamforming Method," The Journal of Korean Institute of Communications and Information Sciences, vol. 35, no. 1, pp. 96-102, 2010. DOI: .

[ACM Style]

Haeng-Woo Lee. 2010. A Feedback and Noise Cancellation Algorithm of Hearing Aids Using Adaptive Beamforming Method. The Journal of Korean Institute of Communications and Information Sciences, 35, 1, (2010), 96-102. DOI: .

[KICS Style]

Haeng-Woo Lee, "A Feedback and Noise Cancellation Algorithm of Hearing Aids Using Adaptive Beamforming Method," The Journal of Korean Institute of Communications and Information Sciences, vol. 35, no. 1, pp. 96-102, 1. 2010.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880