Thee-in-one network fusion access method and device of digital TV
A triple play and digital TV technology, applied in the field of network communication, to achieve the effect of cheap equipment and enhancing competitiveness
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[0045] The following detailed description in conjunction with the accompanying drawings can clearly understand this patent.
[0046] This patent adopts the combination of computer front-end authorization CA and SMS user management, and at the same time adds a specific algorithm to scramble and encrypt the digital TV signal and analog TV signal to form a scrambled digital and analog TV signal. See the attached picture (a) of 1, when the scrambled signal is transmitted on the main line, when the scrambled signal arrives at the distribution network, the authorizer is separated from the terminal card machine and sent to the home. Functions are air-separated, which is true separation. The separated functions of descrambling, decryption, and user management are strictly managed and controlled by the network operator, and the user has no card in hand. The digital set-top box in the user's home only completes demultiplexing and decompression, and the one without interface does not ne...
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