DVB Solution(2)

The video source sent data to the IP device of local network through network streaming protocol(fox example: RTSP,HTTP,UDP ...etc), and the network device send programs to the mux through multicast way, and mux made simulcrypt with CAS server (ECMG,EMMG). mux will send ts data to the encryption machine for secondary encryption by ASI interface, and the encrypted data will be transmitted to ASI IP device through ASI interface, and finally sent to the upload server by network tool or directly ASI to Modulator.