Method of transmitting broadcast signal, method of processing broadcast signal and apparatus for the same
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Abstract
A method of processing a broadcast signal relevant to an emergency alert and a broadcast receiver for the same are disclosed, by which information on a channel for carrying an emergency alert broadcast can be prevented from being overlapped with information on other general channels. The present disclosure generating an emergency alert table including frequency information of an emergency alert channel, and transmitting a digital broadcasting signal including the emergency alert table, wherein the frequency information of the emergency alert channel is inserted in a descriptor that provides an additional pointer to the emergency alert channel, wherein the descriptor references the emergency alert channel by means of the frequency information.
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Citations
9 Claims
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1-4. -4. (canceled)
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5. A digital television receiver, comprising:
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a tuner for receiving a digital broadcasting signal including program number information of an emergency alert channel in the emergency alert table;
a parser for parsing the emergency alert table and extracting the program number information and channel number information of the emergency alert channel from the emergency alert table; and
a controller for controlling the tuner to tune to the emergency alert channel when a state of emergency channel tuning to the emergency alert channel occurs, wherein the emergency alert channel is acquired from the channel number information and additionally referenced by the program number information. - View Dependent Claims (6, 7, 8, 9)
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Specification