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Method and system for detecting non-powered video playback devices

  • US 9,009,749 B2
  • Filed: 11/27/2012
  • Issued: 04/14/2015
  • Est. Priority Date: 04/06/2011
  • Status: Active Grant
First Claim
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1. A computing system to facilitate video playback device viewing data analysis, comprising:

  • at least one processor;

    a memory comprising instructions executable by the at least one processor to;

    receive tune data indicative of content tuned to by a number of video playback devices, the tune data associated with each video playback device including an identification associated with the video playback device and a plurality of tuning events, each tuning event including a time of the tuning event and a corresponding content identifier that was tuned at the tuning event;

    identify a first plurality of video playback devices for which power-off event data is available based on the tune data;

    analyze the power-off event data to determine one or more times at which the first plurality of video playback devices were powered off;

    determine a percentage of the first plurality of video playback devices that were powered off within at least one time interval following a tuning event;

    generate a survival curve based upon the percentage; and

    assess tune data associated with a particular video playback device by;

    selecting a random number corresponding to a probability in the survival curve;

    identifying a time from the survival curve corresponding to the probability;

    categorizing tune data before the identified time as valid; and

    categorizing tune data after the identified time as invalid.

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