Adaptive audio enhancement for multichannel speech recognition

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United States of America Patent

PATENT NO 11257485
APP PUB NO 20200118553A1
SERIAL NO

16708930

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for neural network adaptive beamforming for multichannel speech recognition are disclosed. In one aspect, a method includes the actions of receiving a first channel of audio data corresponding to an utterance and a second channel of audio data corresponding to the utterance. The actions further include generating a first set of filter parameters for a first filter based on the first channel of audio data and the second channel of audio data and a second set of filter parameters for a second filter based on the first channel of audio data and the second channel of audio data. The actions further include generating a single combined channel of audio data. The actions further include inputting the audio data to a neural network. The actions further include providing a transcription for the utterance.

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Patent Owner(s)

  • GOOGLE LLC

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bacchiani, Michiel A U Summit, US 29 322
Li, Bo Fremont, US 686 4299
Sainath, Tara N Jersey City, US 165 2878
Weiss, Ron J New York, US 35 749
Wilson, Kevin William Cambridge, US 14 545

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