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Recognition of Voice-Activated Commands

  • US 20090299752A1
  • Filed: 02/19/2009
  • Published: 12/03/2009
  • Est. Priority Date: 12/03/2001
  • Status: Active Grant
First Claim
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1. A method performed in a digital home communication terminal (DHCT), the method comprising:

  • storing a program audio signal corresponding to a program tuned by the DHCT;

    storing an incoming audio signal carrying speech;

    removing from the incoming audio signal a portion of the incoming audio signal that corresponds to the program audio signal, thus producing an improved version of the incoming audio signal;

    selecting one of a plurality of voice-activated commands that corresponds to the improved version of the incoming audio signal; and

    performing a function corresponding to the selected voice-activated command.

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