Based On Cable Television Data Broadcasting

Data Broadcast of Digital TV is the one of the most important business in area of Digital TV, it extend MPGE-2 DVB, enable operation business provide various data service based on providing audio and video business.Digital technology has brought a revolution for the broadcast television. This revolutionary significance is television business itself not merely, but is open the front door for any numerical information broadcast. Through this leaf of front door, the digital broadcast technology will act the strong character in the future information society. Besides the digital television broadcast, the digital broadcast technology also includes two big aspects which are the data broadcast and the interactive service, its typical application including software downloading, wide band Internet service as well as interactive television and so on. The data broadcast is the foundation of broadcast television increment service in fact, the practical application derives from which are so comprehensive, such as the stock information transmission, the information attaches to television to examine, the public information browsing, the massive feedbacks video frequency conference, plays, the data exchange as well as the video on demand, downloading and so on , there is no one which is not alternately take the data broadcast as a foundation. In the broadcast digitization transformation tide, the data broadcast technology will be acting the more and more important role.This thesis first introduced various kind of standard agreement and their basic principle based on DVB standard data broadcast technology. We designed the data broadcast application system which the object-oriented wheel broadcasts, which can received the data broadcast data with the set-top box in the wired network termination the connection. Introducing...