Study About DVR Base On MPEG-4

Digital Video Recorder is a system that includes hard disk video, intelligent replaying and searching and other functions digital surveillant video system. Gather picture partition, video switcher, magnetic tape, video tape recorder, controller, remote transfer for a system .The system itself can detect the pictures if they are moving at this time . It controls the console and camera lens with decoder, transfers the pictures and controlling signals with the network. Video, replaying, transferring,The system adopts MPEG-4 mode, it can get the higher picture quality, the lower data current, the higher efficiency. Detecting quality, hard disk storage time and length, network transferring fluency process well representation.