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Hotword detection on multiple devices

DC
  • US 10,134,398 B2
  • Filed: 11/09/2016
  • Issued: 11/20/2018
  • Est. Priority Date: 10/09/2014
  • Status: Active Grant
First Claim
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1. A computer-implemented method comprising:

  • receiving, by a computing device that is in a low power mode and that is configured to exit a low power mode upon detecting an utterance of a particular, predefined hotword using an on-device hotword detector, audio data that corresponds to an utterance of the particular, predefined hotword;

    while the computing device remains in the low power mode, and in response to receiving the audio data that corresponds to the utterance of the particular, predefined hotword, transmitting, by the computing device and to another computing device that is configured to exit a low power mode upon detecting an utterance of the particular, predefined hotword, an output of processing the audio data using the on-device hotword detector;

    while the computing device remains in low power mode, receiving, by the computing device and from the other computing device that is configured to exit a low power mode upon detecting an utterance of the particular, predefined hotword, an additional output of processing the audio data; and

    after transmitting the output of processing the audio data using the on-device hotword detector and after receiving the additional output of processing the audio data from the other using device that is configured to exit a low power mode upon detecting an utterance of the particular, predefined hotword, determining, by the computing device, to remain in the low power mode.

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