05872588 is referenced by 582 patents and cites 22 patents.

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.

Title
Method and apparatus for monitoring audio-visual materials presented to a subscriber
Application Number
8/568113
Publication Number
5872588
Application Date
December 6, 1995
Publication Date
February 16, 1999
Inventor
Kian Bon Kho Sy
Cary
NC, US
Arthur James Stagg
Raleigh
NC, US
Fuyung Lai
Raleigh
NC, US
Luther B Griffin
Raleigh
NC, US
Caglan M Aras
Raleigh
NC, US
Agent
John D Flynn
Assignee
International Business Machines Corporation
NY, US
IPC
H04N 7/16
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