| 摘要 |
The present invention provides an inventive architectural framework for use in audio/video commerce applications. In one embodiment, message types are used in different applications. These applications may be conceptualized as falling into three classes: 1) broadcast monitoring, copyright communication, copy/play control, file verification, and PC connected e-commerce; 2) forensic tracking, content monitoring, and asset management; and 3) set-top box connected e-commerce.
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