Method for operating conditional access system for broadcast applications
A technology for broadcast applications and conditions, applied in the field of condition selection systems for operating broadcast applications, and can solve problems such as difficulty in operation
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[0008] The invention will be further described below with reference to the accompanying drawing, which shows a broadcast application implementing an embodiment of the method according to the invention.
[0009] In the broadcasting application shown in Figure 1, three broadcasting devices 1-3 are coupled to a multiplexer unit 4, which includes scrambling, encoding and compression provided by said broadcasting devices 1-3 signal device. The resulting digital data stream is multiplexed into a digital transport stream, for example according to the MPEG-2 standard. The digital transport stream is modulated by a modulator 5 before transmission as shown in this embodiment. The operator of the equipment comprising the multiplexer unit 4 and the modulator 5 is responsible for transmitting the signal to public receiving equipment, such as a television set 6 shown by way of example. Transmission of said signals may be via one or more telecommunication channels including a satellite lin...
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