Program searching method of digital television set-top box
A program search and TV technology, applied in electrical components, image communication, selective content distribution, etc., can solve problems such as too many programs, poor user switching experience, encrypted programs that cannot be watched by unauthorized users, etc.
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[0013] The present invention will be further described below in conjunction with the drawings and specific embodiments.
[0014] Such as figure 1 As shown, in this embodiment, the following steps are adopted:
[0015] a. Write a local program package identification number in the smart card device;
[0016] b. After the digital TV set-top box is powered on and initialized, read the label number of the local program package from the smart card device;
[0017] c. The digital TV set-top box receives information from the NIT network information table of the front-end server, the NIT network information table includes a private descriptor, and the private descriptor includes two-byte member service ID information corresponding to each other, two The service program package identification number of the member in bytes, the service program frequency of the member in 2 bytes, and the service version information of the member in 2 bytes;
[0018] d. Form the first list of service ID informatio...
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