发明名称 Monitoring usage of media data with non-program data elimination.
摘要 Systems and methods for monitoring usage of media data at user locations in which the presence or absence of media data in monitored data is determined. Where media data is present, it is separated from the monitored data and used to produce data representing usage of media data.
申请公布号 ZA200309918(B) 申请公布日期 2004.09.27
申请号 ZA20030009918 申请日期 2003.12.22
申请人 ARBITRON, INC. 发明人 RONALD S. KOLESSAR;FLANAGAN, EUGENE L., III
分类号 H04N17/00;H04H60/31;H04H60/37;H04H60/56 主分类号 H04N17/00
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