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Audience measurement systems and methods for digital television

  • US 20070055987A1
  • Filed: 11/09/2006
  • Published: 03/08/2007
  • Est. Priority Date: 05/12/1998
  • Status: Abandoned Application
First Claim
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1. A television audience measurement system for identifying a viewer selected television program from among a plurality of television programs simultaneously broadcast in a broadcast channel, the television audience measurement system comprising:

  • a channel detector that detects the broadcast channel in which the plurality of television programs is broadcast; and

    , a comparator that sequentially compares an audio component of the plurality of television programs broadcast in the detected broadcast channel with an audio signal of the viewer selected television program so as to identify the viewer selected television program.

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