What is VOD

VOD (Video on Demand), the interactive multimedia VOD, is a comprehensive technology, which is rapidly emerging with the development of computer technology and network communication technology, which integrates computer technology, communication technology and TV technique. It utilizes the advantages of the network and video technology, completely changed the past to watch the passive way of the program, to achieve the program on-demand watching and any play, set dynamic film and television images, static pictures, sound, text and other information as a whole, to provide users with real-time, interactive, on-demand service on demand

Compared with the traditional TV, in addition to the VOD business can achieve "want to see what to see, when to see when to see" In addition, it can also be based on the user needs to choose arbitrary information, and the corresponding control of information, such as in the broadcast process messages, comments, etc., thereby enhancing interactivity, Increased communication between the user and the program. VOD can be applied in many aspects such as network education, library, Enterprise training, media entertainment and so on. With the development of multimedia communication technology and the construction of information infrastructure such as Internet and broadband data communication network, video on demand will be closely related to People's life: At home, you can watch what you want to watch and become passive. In the library, you can find multimedia materials. On-demand multimedia courseware in network teaching can achieve the best teaching effect, and make the students use courseware on-demand better preview, review, improve teaching efficiency ... In short, it will change the way we live and learn, and affect our future.