What is CCTV DVR

• CCTV DVR is a computer system for image storage processing. with a long time video, audio, remote monitoring and control functions to image / voice, DVR have 5 kinds of functions: VCR, Quad, PTZ camera control, alarm control, network transmission, etc.

  DVR used digital recording technology, and it is far superior to analog surveillance equipment in image processing, image storage, retrieval, backup, and network transmission, remote control. DVR represents the development direction of TV monitoring system, DVR is currently the first choice on the TV monitoring system market.

  Currently PC platform DVR and standalone DVR products all are popular on market. Standalone DVR have advantage in stability, reliability, ease of use and other aspects, and will be gradually eroded PC platform DVR market. PC platform DVR has an advantage in generality and expansionary, can burden the management role In the network video monitoring system, still has its own market share.

  Many companies have already invested in development of multi-channel MPEG-II, MPEG-4 compression chip, and wavelet image compression chip, the emergence and application of a new compression chip will lead digital network video surveillance into a new era.

  DVR system hardware mainly include CPU, memory, motherboards, graphics cards, video capture cards, chassis, power supply, hard drives, connect cables and other accessories.

  DVR system software is developed by private companies, and built on the hardware system, the well-known DVR software includes peanut shells, DVR-CPS, etc.