Systems and methods for gathering audience measurement data
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United States of America Patent
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Jul 3, 2007
Grant Date -
Jan 29, 2004
app pub date -
Jul 26, 2002
filing date -
Jul 26, 2002
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Systems and methods are provided for gathering audience measurement data relating to exposure of an audience member to audio data. Audio data is received in a user system and is then encoded with audience measurement data. The encoded audio data is reproduced by the user system, picked up by a monitor and decoded to recover the audience measurement data.
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