There are a large number of cameras in a security system, security system couldn't decorate a large number of personnel on the all of the video scene.The occurrence of the event is short, even suspicious characters or events are often need to obtain video later, in order to carefully analyze the process of the occurrence of the event, and study how to avoid the occurrence of the event next time, so storage will become the most important unit in video monitoring.Store not only the most important, and stored in the project of the scheme of is also relatively large, the storage technology is also more complex, so the storage of historical development and exploration of the store is particularly important in the future.

The development course of domestic storage

The first generation of early monitoring system USES the VCR of storage, VCR storage to achieve the basic record or memory functions.

The second generation of storage is the DVR, the emergence of the DVR products let people shine at the moment, DVR adopts digital video image processing method, and application of computer and network technology, video stored on the hard disk, implements the storage of digital video is easy to transfer and replicated in all kinds of digital media, and the quality of the video will not be any lower.In addition, DVR storage also can realize remote network management.