Based On The Research And Development Of Multimedia Communications, On-demand System

Along with the development of digital age, outsider information continuously come to people with the digital form. Now, the majority of the developing residential districts meet the requirements of people demand the digital life with the digital and intelligentized service. In the developments of residential districts, Premises Distribution System can transmit the data bandwidth amounts to 100Mb/s to each people's home, and this makes some applications according to this breadth realize.Video-On-Demand (VOD) is a typical model application according to the breadth. To the customers, the traditional audio and video receipt, is a kind of to passively receipt way. The audio and video receipt must suffer the limit of time, and the VOD is a revolution to this traditional medium spread way. Using the VOD, the customers can choose favorite programs actively at any time. The VOD can provide many programs, such as movie, news, karaoke, MTV etc., and it enriches the amusement life of people. So in the residential districts, the VOD has become an important mark of modern intelligence. The author has deeply studied the multimedia communication technique, multimedia database technique, multimedia compress technique related to the VOD .In the end, the author created a software model system of VOD.