Methods and apparatus to validate a tag for media
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United States of America Patent
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Jun 13, 2017
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app pub date -
Jun 13, 2016
filing date -
Apr 12, 2011
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Abstract
Methods and apparatus to validate a tag for media are disclosed. An example method includes obtaining first identification information extracted from a tag distributed with media presented at a presentation location, obtaining second identification information determined from at least one of a) inherent information of at least one of audio or video of the media presented at the presentation location or b) a watermark embedded in at least one of the audio or the video of the media presented at the presentation, comparing the first identification information with the second identification information, and when first identification information does not substantially match the second identification information, preventing the tag from being used to report exposure of the media.
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