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Methods and apparatus for audio-visual speech detection and recognition

  • US 6,594,629 B1
  • Filed: 08/06/1999
  • Issued: 07/15/2003
  • Est. Priority Date: 08/06/1999
  • Status: Expired due to Term
First Claim
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1. A method of providing speech detection in accordance with a speech recognition system, the method comprising the steps of:

  • processing a video signal associated with an arbitrary content video source to detect whether one or more features associated with the video signal are representative of speech, wherein at least one of the one or more features represents verbal motion associated with formation of speech; and

    processing an audio signal associated with the video signal in accordance with the speech recognition system to generate an output signal representative of the video signal when at least one of the one or more features associated with the video signal is representative of speech.

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