System and method for providing trigger information in a...

Details System and method for providing trigger information in a... System and method for providing trigger information in a...

H - Electricity

04

N

H04N 7/084 (2006.01) H04N 5/262 (2006.01) H04N 7/16 (2006.01) H04N 7/173 (2006.01)

Patent

CA 2561240

A system for providing trigger information in a video signal and outputting a triggered event comprises a distribution facility and at least one head-end facility. The distribution facility includes an automation system, a trigger unit, and a data inserter. The automation system controls video and audio sources to play out the program events to provide a video signal, and outputs the event identifier when the associated program event is played out. The trigger unit outputs a trigger identifier associated with the event identifier. The data inserter inserts the trigger identifier in a portion of a vertical blanking interval of the video signal. The head-end facility includes a decoder and a content server. The decoder detects the trigger identifier in the portion of the vertical blanking interval of the video signal. The content server plays out the triggered event.

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