Thursday, December 22, 2016

What is CCTV Camera DVR and NVR?

For CCTV Security cameras, which include analog and IP Cameras, a CCTV server is often referred to Digital Video Recorder (DVR), or Network Video Recorder (NVR).

What is CCTV Camera DVR and NVR?


A digital video recorder (DVR) is an electronic device that records analog CCTV Camera video in a digital format to a disk drive, or other local or networked mass storage device. Notice that the keyword here is “Analog”.

A network video recorder (NVR) is an electronic device that records IP Camera CCTV video in a digital format to a disk drive, or other mass storage device. Notice that the keyword here is “IP Camera”, to which NVR is typically deployed in.

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