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.
38 Citations
11 Claims
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1-4. -4. (canceled)
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5. A method of processing a broadcast signal, comprising:
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receiving an emergency alert table (EAT) including identifying information of a relay service provider managing at least one area and physical channel number information of a terrestrial broadcasting station matched by the identifying information; reading a physical channel number of the terrestrial broadcasting station matched to the area managed by a specific relay service provider by parsing the received EAT; and if an emergency takes place, tuning to the physical channel number of the terrestrial broadcasting station. - View Dependent Claims (6, 7, 8)
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9. A digital broadcast receiver, comprising:
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a tuner receiving an emergency alert table (EAT) including identifying information of a relay service provider managing at least one area and physical channel number information of a terrestrial broadcasting station matched by the identifying information from the relay service provider; a parsing unit reading a physical channel number of the terrestrial broadcasting station matched to the area managed by a specific relay service provider by parsing the received EAT; and a control unit, if an emergency takes place, tuning to the physical channel number of the terrestrial broadcasting station. - View Dependent Claims (10, 11)
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Specification