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Methods and apparatus for metering computer-based media presentation

  • US 9,209,917 B2
  • Filed: 03/26/2008
  • Issued: 12/08/2015
  • Est. Priority Date: 09/26/2005
  • Status: Active Grant
First Claim
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1. A method performed by a computer that is configured to execute an operating system and a media presentation program, the method comprising:

  • identifying, in a table of functions, a function to cause requested text to be displayed on a display associated with the computer, the function utilized by the media presentation program to display information identifying a media presentation;

    modifying the table of functions to cause calls to the function to be re-directed;

    forwarding a re-directed call to the function to an application programming interface provided by the operating system to cause text identified in the re-directed call to be displayed;

    comparing the text identified in the re-directed call to a character string corresponding to information of interest to determine if the text identified in the re-directed call includes a viewing parameter of interest;

    passing the viewing parameter of interest to a meter when the text identified in the re-directed call includes the viewing parameter of interest; and

    processing the viewing parameter of interest to determine media presentation information to monitor media presentation program viewing by;

    decoding the viewing parameter of interest;

    acquiring data that is associated with the viewing parameter of interest from the operating system; and

    creating a log entry based on the decoded viewing parameter of interest and the acquired data.

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