Digital television signal, method of processing the digital...

Details Digital television signal, method of processing the digital... Digital television signal, method of processing the digital...

H - Electricity

04

N

H04N 21/435 (2011.01) H04N 7/26 (2006.01)

Patent

CA 2579033

A digital television signal for use in a digital television receiver for receiving PSIP data from a broadcast transmitter includes a rating region table which includes rating information for multiple geographical regions and a release time field specifying a release time of the rating information. The release time field may be included in a descriptor within the rating region table or in a table ID extension field included in a header of the rating region table, where the table ID extension field serves to establish uniqueness of the rating region table. The release time may be represented as a number of global positioning system (GPS) seconds since a coordinated universal time (UTC). A controller included in the digital television receiver controls storage of the rating region table based upon determining whether the rating information is determined to be newer than pre-stored rating information.

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