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Speech-recognizer-based filter optimization for microphone array processing

delete2003-03-01
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M
Michael L. Seltzer *
B
B. Raj
DOI:10.1109/LSP.2002.807877delete
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Abstract

Abstract

En 中文
Conventional microphone-array processing schemes used for speech recognition enhance the output waveform using optimization criteria that are independent of the recognition system. We present a new filter-and-sum array processing algorithm in which the filter parameters are calibrated to maximize recognizer likelihoods. The proposed method provides significant improvement in recognition accuracy over conventional methods.
Keywords:
beamforming
microphone array processing
robust speech recognition
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Journal

IEEE Signal Processing Magazine cover
IEEE Signal Processing Magazine
IF:
9.6
Papers:
1.1W
Citations:
1.7W

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