Method for responding to emergency broadcast through digital frequency modulation, satellite television set top box and system
A technology for emergency broadcasting and digital frequency modulation, applied in the field of satellite TV set-top boxes and systems, to achieve the effects of low power consumption, high power consumption, and reduced data processing capacity
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[0079] To make the purposes, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be further described in detail below with reference to the accompanying drawings and embodiments.
[0080] example Figure 1-3 As shown, a method, satellite TV set-top box and system for responding to emergency broadcast via digital frequency modulation, wherein,
[0081] An aspect of this embodiment provides a method for responding to emergency broadcast via digital frequency modulation, including the following steps:
[0082] (1) When the DVB-S set-top box 400 is turned off or on standby or playing a program, the FM-CDR receiving module 1 receives the FM-CDR broadcast signal, demodulates and decodes the FM-CDR data, and then decrypts it by the FM-CDR parsing module 2 Decrypt and parse FM-CDR data to obtain emergency messages;
[0083] Emergency messages, including emergency instructions and emergency info...
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