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      디지털 보청기를 위한 피드백 제거 알고리즘 = A Feedback Cancellation Algorithm for Digital Hearing Aids

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      https://www.riss.kr/link?id=A82695525

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      다국어 초록 (Multilingual Abstract)

      This paper is on a new adaptive algorithm which can cancel the acoustic feedback signals in the digital hearing aids. The proposed algorithm uses the normalized LMS algorithm with decorrelators. By doing so, it can be reduced the autocorrelation for the voice signals. To analyze the convergence characteristics of the proposed algorithm, the simulations were carried out about various input signals. And we had compared the performances of convergence for this algorithm with the ones for the NLMS algorithm. As the results of simulations, it is proved that the feedback canceller adopting this algorithm shows about 5-10 dB more high SNR than the NLMS algorithm for the colored inputs.
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      This paper is on a new adaptive algorithm which can cancel the acoustic feedback signals in the digital hearing aids. The proposed algorithm uses the normalized LMS algorithm with decorrelators. By doing so, it can be reduced the autocorrelation for t...

      This paper is on a new adaptive algorithm which can cancel the acoustic feedback signals in the digital hearing aids. The proposed algorithm uses the normalized LMS algorithm with decorrelators. By doing so, it can be reduced the autocorrelation for the voice signals. To analyze the convergence characteristics of the proposed algorithm, the simulations were carried out about various input signals. And we had compared the performances of convergence for this algorithm with the ones for the NLMS algorithm. As the results of simulations, it is proved that the feedback canceller adopting this algorithm shows about 5-10 dB more high SNR than the NLMS algorithm for the colored inputs.

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      목차 (Table of Contents)

      • Ⅰ. 서론 3
      • Ⅱ. 제안한 음향궤환제거기 5
      • Ⅲ. 시뮬레이션 및 결과 9
      • Ⅳ. 결론 12
      • Ⅰ. 서론 3
      • Ⅱ. 제안한 음향궤환제거기 5
      • Ⅲ. 시뮬레이션 및 결과 9
      • Ⅳ. 결론 12
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