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Speech detection using microphone array

Speech detection using microphone array

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A new method for speech detection using a microphone array is proposed. An explicit expression is first deduced for representing the signal-to-noise ratio (SNR) of each signal segment. A constant SNR threshold is then used to discriminate between speech and nonspeech signals. Simulation results show that the proposed method outperforms the conventional energy detection method.

References

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      • L. Lamel , L. Rabiner . An improved endpoint detector for isolated word recognition. IEEE Trans. Acoust. Speech Signal Process. , 777 - 785
    2. 2)
      • J.-C. Junqua , B. Mak , B. Reaves . A robust algorithm for word boundary detection in the presence ofnoise. IEEE Trans. Speech Audio Process. , 3 , 406 - 412
    3. 3)
      • McKinley, B.L., Whipple, G.H.: `Model based speech pause detection', Proc. ICASSP'97, 1997, p. 1179–1182.
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