AD detection using ID code and extracted signature
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United States of America Patent
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Jan 27, 2009
Grant Date -
Jun 24, 2004
app pub date -
Dec 23, 2002
filing date -
Dec 23, 2002
priority date (Note) -
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Abstract
Systems and methods are provided for gathering audience measurement data relating to receipt of and/or exposure to audio data by an audience member. A signature characterizing the audio data and additional data are obtained, and the audio data is identified based on both.
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