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Always-On Audio Control for Mobile Device

  • US 20150134331A1
  • Filed: 12/17/2013
  • Published: 05/14/2015
  • Est. Priority Date: 11/12/2013
  • Status: Active Grant
First Claim
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1. An integrated circuit comprising:

  • one or more processors;

    at least one memory controller; and

    a first circuit coupled to the one or more processors and to the memory controller, wherein the first circuit is configured to remain powered up during times that the one or more processors and the memory controller are powered down, and wherein the first circuit is configured to receive audio samples captured by one or more audio input devices and to detect a predetermined pattern in the audio samples, and wherein the first circuit is configured to cause the memory controller and the one or more processors to power up responsive to detecting the predetermined pattern, and wherein the first circuit is configured to write the audio samples that match the predetermined pattern and subsequently-received samples to memory through the memory controller.

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