| 摘要 |
In a system for processing of television data streams comprising front-ends receiving at least two streams that are output to a descrambler (104) and then to a demultiplexer (106), a remultiplexer (102) is inserted between the front-ends and the descrambler (104). The remultiplexer (102) is capable of outputting a number of internal streams (103) having internal PID values, where the number of the internal streams (103) is lower than a number of the input streams (101) having original PID values. For managing the input streams (101) and the internal streams (103), a PID management module (115) is connected to the remultiplexer (102), the descrambler (104) and to the demultiplexer (106), whereas a PIDs database (113) is connected to the PID management module (115), which stores data about PIDs relation between the input streams (101) and the internal streams (103). This arrangement receives, via a communication link, new data notification from the demultiplexer (106) and controls the remultiplexer (102), the descrambler (104) and the demultiplexer (106) for acceptance of requests for the reception of specific data from the input streams (101). |
