System for monitoring broadcast audio content
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United States of America Patent
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Jun 3, 2003
Grant Date -
Jul 25, 2002
app pub date -
Jun 29, 2001
filing date -
Nov 3, 2000
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A broadcast datastream is received, and audio identifying information is generated for audio content from the broadcast datastream. It is determined whether the audio identifying information generated for the broadcast audio content matches audio identifying information in an audio content database. In one preferred embodiment, the audio identifying information is an audio feature signature that is based on audio content. Also provided is a system for monitoring broadcast audio content.
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