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专利名称：Audience measurement system for digital
television
发明人：Lu, Daozheng,Kempter, Paul C.,Feininger,
William A.
申请号：EP00114272.8申请日：19980709公开号：EP1043854A3公开日：20001129
专利附图：
摘要：A television audience measurement system measures viewing of a televisionprogram viewed on digital television located in a statistically selected site by (i) retrieving
an audience measurement data packet from a television set in order to identify thetelevision program, (ii) detecting an audio code embedded in the television program, (iii)extracting an audio signature from the television program in order to identify thetelevision program, (iv) identifying the television program through use of a softwareagent, and (v) selecting at least one of the retrieving means, the detecting means, theextracting means, and the software agent in order to identify the television program.
申请人：Nielsen Media Research, Inc.
地址：299 Park Avenue New York, New York 10171-0074 US
国籍：US
代理机构：Lawrence, John
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