2. System composition and operating principle
2.1.System composition
THE SYSTEM CONSISTS UNITS OF THE FOLLOWING CHART
2.1.1 ASI input interface
ASI input, it’s MPTS (Multi-Program Transport Stream) or SPTS. The useful data will be output and
null packet
、
needless data will be filtered after processing.
2.1.2 Program stream multiplexing
Multiplex the selected program of different interface, the below table will be available or updated
while multiplexing, then insert them into MPTS.
●
PAT
●
CAT
●
PMT
●
NIT
2-1
