Video and audio alerting system for a television network

Details Video and audio alerting system for a television network Video and audio alerting system for a television network

H - Electricity

04

N

H04N 5/268 (2006.01) G08B 27/00 (2006.01) H04N 7/10 (2006.01) H04N 7/16 (2006.01)

Patent

CA 2106223

A system for receiving emergency, warning or public interest messages from a remote agency and displaying the emergency or warning information on selected channels of a cable television network in order to provide a warning system for viewers of a cable television network having one or more cable channels. The system comprises communication interface means for receiving the emergency or warning messages; a processor for decoding the messages; and a controller for formatting and inserting the message on any of the cable channels. The emergency or warning message can be displayed on the cable video signal as a single line of static text or horizontally scrolling text, or as a page of static text or vertically scrolling text, and can be accompanied by a audio signal. The message can also be superimposed on an override video signal which is substituted for the cable video signal. The system includes the capability of displaying an abbreviated message on any of the cable channels. In a minimally disruptive way, the abbreviated message directs the viewers to a detailed message channel for viewing the entire emergency or warning message. The system can also include a channel scheduling manager which is coupled to the processor. The channel scheduling manager contains a record of the block-out periods for each channel. The processor utilizes the scheduling manager to block-out emergency or warning messages at pre-determined times, for example, during the airing of a commercial endorsement.

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