| This dissertation researches on the standard, concept and basic principles of digital TV, analyzes the principles, structure and normal compressing technologies of the system layer of MPEG-2. Aiming at the usage of MPEG-2 in the field of digital TV and the demands of editing and processing video based on the content, this dissertation mainly researches on the MPEG-2 transfer stream, brings forward methods and idea to research on the compressed video models, designs and partly realizes the analyzing algorithm for the structure of TS. |