Voice trigger for a digital assistant

  • US 10,978,090 B2
  • Filed: 05/20/2020
  • Issued: 04/13/2021
  • Est. Priority Date: 02/07/2013
  • Status: Active Grant
First Claim
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1. A non-transitory computer-readable storage medium, storing one or more programs for execution by one or more processors of an electronic device, the one or more programs including instructions for:

  • determining, based on comparing an amount of light detected on at least a front surface of the electronic device to a threshold amount of light, whether to operate a voice trigger in a standby mode or in a listening mode;

    in accordance with a determination to operate the voice trigger in the listening mode;

    receiving a sound input;

    determining whether the sound input corresponds to a predetermined type of sound;

    upon a determination that the sound input corresponds to the predetermined type of sound, determining whether the sound input includes predetermined content;

    upon a determination that the sound input includes the predetermined content, initiating a speech-based service; and

    in accordance with a determination to operate the voice trigger in the standby mode, forgoing initiating the speech-based service based on received sound input.

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