AUDIO DATA RECEIPT/EXPOSURE MEASUREMENT WITH CODE MONITORING AND SIGNATURE EXTRACTION
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United States of America Patent
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Jan 22, 2016
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Sep 27, 2002
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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. Audio data is monitored to detect a monitoring code. Based on detection of the monitoring code, a signature characterizing the audio data is extracted.
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