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Low power voice trigger for acoustic apparatus and method

  • US 9,830,080 B2
  • Filed: 01/19/2016
  • Issued: 11/28/2017
  • Est. Priority Date: 01/21/2015
  • Status: Active Grant
First Claim
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1. A method comprising:

  • receiving an analog signal from an acoustic transducer;

    converting the analog signal into digital data;

    determining whether acoustic activity exists within the digital data;

    in response to determining acoustic activity exists, storing the digital data in a temporary memory storage device and maintaining a count of an amount of digital data in the temporary memory storage device;

    in response to the count exceeding a threshold, sending a processor wake-up signal and transmitting at least some of the digital data from the temporary memory storage device.

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