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Utilizing digital microphones for low power keyword detection and noise suppression

  • US 10,045,140 B2
  • Filed: 01/06/2016
  • Issued: 08/07/2018
  • Est. Priority Date: 01/07/2015
  • Status: Active Grant
First Claim
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1. A method for audio processing, the method comprising:

  • receiving a first acoustic signal representing at least one sound captured by a digital microphone having a buffer for storing digital data, the first acoustic signal including buffered digital data corresponding to the captured sound from the buffer of the digital microphone transmitted on a single channel with a first clock frequency;

    receiving at least one second acoustic signal representing the at least one sound captured by at least one second microphone, the at least one second acoustic signal including real-time data; and

    providing the first acoustic signal and the at least one second acoustic signal to an audio processing system.

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