System and method for terrestrial broadcast of emergency alerts

Details System and method for terrestrial broadcast of emergency alerts System and method for terrestrial broadcast of emergency alerts

H - Electricity

04

H

H04H 20/59 (2009.01) H04H 40/27 (2009.01) H04W 4/22 (2009.01) H04N 7/025 (2006.01) H04N 7/50 (2006.01)

Patent

CA 2677024

Systems and methods are disclosed for broadcasting and receiving a terrestrial broadcast signal containing emergency alert information in machine-readable format. The method includes the steps of scanning a Transport Stream associated with the terrestrial broadcast signal. The Transport Stream contains one or more Transport Stream packets and a plurality of tables, which are parsed to identify a channel having a type specified as containing emergency alert information. An MPEG-2 program having said emergency alert information may then be acquired for delivery through a terrestrial broadcast receiver.

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