Method for responding to emergency broadcast by means of digital frequency modulation, cable television set-top box and system
An emergency broadcasting and digital frequency modulation technology, which is applied in broadcasting circuit devices, broadcasting specific applications, electrical components, etc., to achieve the effects of avoiding misoperation, low power consumption, and reducing the amount of data processing
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[0072]In order to make the objects, technical solutions, and advantages of the present invention, the technical solutions of the present invention will be further described in detail below with reference to the accompanying drawings and examples.
[0073]ImplementationFigure 1-3As shown, the method, cable TV set top box and system, by digital frequency resonance response, cable TV set top box and system, where
[0074]In one aspect of this embodiment, a method of relying on digital frequency-restriction response emergency broadcast, including the following steps:
[0075](1) When the DVB-C set-top box 400 is turned off or standby or play the program, the FM-CDR receiving module 1 receives the FM-CDR broadcast signal, declared, decoded the FM-CDR data, and then decrypt the resolution module 2 by the FM-CDR Decrypt, analyze FM-CDR data, to have emergency news;
[0076]Emergency news, including emergency instructions and emergency information;
[0077]Emergency information is the reception parameter ...
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