Mpeg-2 Stream Detection Sopc Implementation

Due to the digital TV system's hugeness and complexity, errors that happen at any places in the process of programming , transporting and broadcasting transport stream(TS) will cause the system's collapse, so detecting the MPEG-2 TS's errors is a very important technology. The transport stream detector which is used to analyze and detect TS can accomplish the functions of collecting information, analyzing and detecting the errors of TS, displaying of information, and etc.The dissertation discusses a way of hardware implement to detect TS which is a part of design of transport stream detecting based on SOPC. It uses FPGA to collect and analyze program special information(PSI) and service information(SI),to find and store the PID numbers of every program and PSI,SI, and to detect errors of TS. The hardware design which is the basis of the whole design based on SOPC cooperates with the NIOS CPU to accomplish the functions of collecting TS information, detecting errors, and displaying information.The main content in this dissertation includes:(1) Introducing the standard of MPEG-2 system layer syntax and ETR 290 standard about the three levels of detecting parameters(2) describing the structure and relationship of PSI; designing the hardware implement to accomplish the functions of collecting and analyzing TS information(3) analyzing and researching the three levels of detecting parameters to accomplish the partition of the hardware and software design, designing the detecting modules cooperated with the software and verifying the functions according to simulation(4) debugging and testing the design to verify it can achieve our requirements...