The traditional difference between digital hard disk recorders
Digital hard disk video recorder is the network called NVR, mainly for network cameras, network dome video storage. The analog hard disk recorder is called DVR, which mainly stores the video of the simulator.
Digital hard disk video recorder with a cable to a power cord can complete the front-end camera control and monitoring, and the simulator needs video lines, control lines, power lines to control.
Embedded DVR system based on the integration of the hardware structure, the entire video and audio compression, display, network and other functions can be achieved through a single board, greatly improving the overall system hardware reliability and stability. The main functions of the DVR include: monitoring function, video function, playback function, alarm function, control function, network function, password authorization function and work schedule function.