At present, all over the world are developing from analog TV to digital TV.

Just like the field of communications from analog technology to digital technology, user needs and technology progress promote digital TV industry to be more and more matures. Digital TV could provide people higher quality, more personalized audio and video programs. Future digital TV network will be multi-functional wide band, supply not only TV long-distance education, but also other weath value-added services as video-on-demand, TV shopping, and mobile data broadcasting (e.g. stocks, commodities display). And the broadcasting business cost would be much lower than mobile communication systems.

In China digital TV has developed so rapidly, cable digital TV entered major cities quickly; terrestrial digital TV standard has been promulgated; satellite transmission has all achieved to be digital. China television broadcasts will be digital, stop transmitting analog TV signals to complete  analog to digital transition.

Therefore China digital TV industry is facing a very urgent current situation. Enterprises have to invest much more scientific research and industrialization work to fit huge domestic market