In-band signaling to control encryption and transcoding...

Details In-band signaling to control encryption and transcoding... In-band signaling to control encryption and transcoding...

H - Electricity

04

N

H04N 7/08 (2006.01) H04L 27/34 (2006.01) H04L 29/02 (2006.01) H04N 7/173 (2006.01)

Patent

CA 2508683

A method (30) for controlling flow of a video content signal through a communications system, such as a video on-demand system (10) creates (39) a unique message for each individual video content signal and attaches (41) the unique message to each individual video content signal prior to transmitting (41-47) the video content signal through the communications system (10) to a designed end user system (19). In one exemplary embodiment, the unique message comprises an in-band signaling message, such as a message inserted in a program map table in an MPEG packetized signal.

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