Method and apparatus for monitoring audio-visual materials presented to a subscriber
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United States of America Patent
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Feb 16, 1999
Grant Date -
N/A
app pub date -
Dec 6, 1995
filing date -
Dec 6, 1995
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A method and apparatus for content coding of Audio-Visual materials is presented. The content coding can then be decoded by a home station where the content coding is collected and processed. The content codes are utilized by the subscribers home station to collect information on the subscribers selection of AVM streams and record information on which AVMs have been presented to the subscriber. An audio-video material distribution system is described for supplying AVM streams to home station via a local distribution network. The home stations decode the content coding from the AVM streams and collect the encoded content codes. The collected content codes are then sent to collection centers for processing. The encoded information may also utilized to provide management of an upstream channel between the home stations and the video distribution node.
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