Detecting and measuring exposure to media content items
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United States of America Patent
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Jan 22, 2013
Grant Date -
Oct 7, 2010
app pub date -
Oct 8, 2009
filing date -
Aug 31, 2004
priority date (Note) -
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Abstract
User exposure to media items is detected and measured. A mobile client device carried by a user digitally samples the audio environment of the user on a regular basis. These samples are transformed into a stream of data signatures and compared with reference media items to detect user exposure to the reference items. Purchase behavior following exposure to selected media content items can be detected and tracked as well, so as to gauge effectiveness of media items such as advertisements.
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