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Audio and Video Signal Processing

  • US 20110106539A1
  • Filed: 04/20/2010
  • Published: 05/05/2011
  • Est. Priority Date: 05/08/1995
  • Status: Active Grant
First Claim
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1. A method comprising:

  • (a) obtaining data representing audible portions of audio or representing picture portions of video;

    (b) using a programmed electronic processor, determining identifying information from the obtained data by computing a frequency transform to produce frequency transform data, and processing the frequency transform data to derive a pattern, and using the pattern as the identifying information for the audio or video; and

    (c) using the identifying data to facilitate purchase or license of the audio or video.

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