Value-added Services Based On Dvb-c Digital Tv Platform System Design And Realization

With the continuous development of information technology, there is no doubt that Digital Television will eventually replace Analog TV. However, digitalizing the TV signal may not absolutely attract the public attention. They wish to obtain more sources of program as themselves desire, what's more, to realize more functions which can only be done by other equipments. Thus, the greatest highlight of DTV comes into being, and that is value-added business. As you are watching TV, DTV value-added business presents you abundant services of vedio on demand, surfing internet and stock quotes. it becomes the platform of family multimedia.The thesis presents the development and implementation of value-added services on DVB-C digital TV platform. Finstly the thesis presnets the concept of digital television and value- added business and solutions of value-added business. Then it presents the implemention of the service of vedio on demand and the service of plug-into adds by player in set-top box. The Vedio on demand service carried out several functions such as play, Fast Forward, Rewind, pause and stop functions. The service of plug-into adds carried out pluging adds into the vedio.The thesis illustrates the processes of implementation of vedio on demand service and plug-into adds service from analysis ,design and implementation.