SIGNATURE-BASED PROGRAM IDENTIFICATION APPARATUS AND METHODSFOR USE WITH DIGITAL BROADCAST SYSTEMS
摘要
<p>Signature-based program identification apparatus and methods for use with digital audio and/or video systems are disclosed. The disclosed systems and methods develop signatures of digital audio and/or video content from a digital data stream at two or more sites and compare the signatures to one another to identify the content.</p>
申请公布号
CA2530012(A1)
申请公布日期
2005.01.20
申请号
CA20032530012
申请日期
2003.07.18
申请人
NIELSEN MEDIA RESEARCH, INC.
发明人
HICKS, MICHAEL A.;DENG, KEVIN;WRIGHT, DAVID H.;SCHWERER, RONALD G.;SCHILP, WILLIAM H.;LEE, MORRIS