Method of processing broadcast signal associated with emergency alert system in terrestrial broadcasting and broadcast receiver for the same
First Claim
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1. A method of receiving a digital broadcasting signal, the method comprising:
- receiving the digital broadcasting signal including an emergency alert table,wherein the emergency alert table includes a descriptor, and the descriptor includes frequency information of an emergency alert channel and program number information of the emergency alert channel;
wherein the emergency alert table further includes details_major_channel_number, details_minor_channel_number, exception_major_channel_number, and exception_minor_channel_number;
parsing the frequency information and the program number information from the descriptor of the emergency alert table; and
tuning to the emergency alert channel in accordance with the parsed frequency information and the program number information.
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Abstract
A broadcast signal associated with an emergency alert system in terrestrial broadcasting, a processing method thereof, and a broadcast receiver for the same are disclosed, by which information on a channel for carrying emergency alert news can be completely prevented from being overlapped with information on other general channels in a terrestrial broadcasting environment.
37 Citations
8 Claims
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1. A method of receiving a digital broadcasting signal, the method comprising:
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receiving the digital broadcasting signal including an emergency alert table, wherein the emergency alert table includes a descriptor, and the descriptor includes frequency information of an emergency alert channel and program number information of the emergency alert channel;
wherein the emergency alert table further includes details_major_channel_number, details_minor_channel_number, exception_major_channel_number, and exception_minor_channel_number;parsing the frequency information and the program number information from the descriptor of the emergency alert table; and tuning to the emergency alert channel in accordance with the parsed frequency information and the program number information. - View Dependent Claims (2, 3, 4)
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5. A digital broadcast receiver comprising:
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a tuner configured to receive the digital broadcasting signal including an emergency alert table, wherein the emergency alert table includes a descriptor, and the descriptor includes frequency information of an emergency alert channel and program number information of the emergency alert channel;
wherein the emergency alert table further includes details_major_channel_number, details_minor_channel_number, exception_major_channel_number, and exception_minor_channel_number;a decoder configured to parse the frequency information and the program number information from the descriptor of the emergency alert table; and a controller configured to control the tuner to tune to the emergency alert channel in accordance with the parsed frequency information and the program number information. - View Dependent Claims (6, 7, 8)
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Specification