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Low Power Mechanism for Keyword Based Hands-Free Wake Up in Always ON-Domain

  • US 20140122078A1
  • Filed: 08/26/2013
  • Published: 05/01/2014
  • Est. Priority Date: 11/01/2012
  • Status: Abandoned Application
First Claim
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1. A method for voice based activation of an electronic system comprising:

  • putting the system into low power mode when the system remains idle for more than a pre-specified time;

    maintaining a database of preselected keywords;

    continuously searching for voice activity in low power mode;

    capturing the voice activity and determining whether a match exists between said voice activity and at least one of said keywords while remaining in low power mode;

    activating the electronic system if at least one match exists between said voice activity and keywords;

    remaining in low power mode if the match does not exist between said voice activity and said keywords.

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