Linear filtering for noise-suppressed speech detection

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United States of America Patent

PATENT NO 11715489
APP PUB NO 20210074317A1
SERIAL NO

16949973

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Abstract

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Systems and methods for suppressing noise and detecting voice input in a multi-channel audio signal captured by a plurality of microphones include (i) capturing a first audio signal via a first microphone and a second audio signal via a second microphone, wherein the first and second audio signals respectively comprises first and second noise content from a noise source; (ii) identifying the first noise content in the first audio signal; (iii) using the identified first noise content to determine an estimated noise content captured by the plurality of microphones; (iv) using the estimated noise content to suppress the first and second noise content in the first and second audio signals; (v) combining the suppressed first and second audio signals into a third audio signal; and (vi) determining that the third audio signal includes a voice input comprising a wake word.

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Patent Owner(s)

  • SONOS INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Giacobello, Daniele Los Angeles, US 24 893
Sereshki, Saeed Bagheri Goleta, US 18 139

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