DVR - NVR What’s the difference? ( DVR vs NVR in Security Cameras )
What is the Difference Between DVR and NVR
What you need to know about DVR vs NVR in Security Cameras, including what is NVR or DVR. In addition, the difference between NVR and DVR. DVR stands for Digital Video Recorder while NVR stands for Network Video Recorder.
What is a NVR?
NVR is a full-form network video recorder. As the name shows, the NVR recorder record video directly from the network by Cat5 or Cat6 Ethernet cables with an RJ45 plug or module. T
What is a DVR?
DVR stands for Digital Video Recorder. DVR recorders consist of videos over either cat5e and cat6 cables or coaxial cables. These then compress to digital signals and then sending the video. The DVR system works with analogue cameras. They must be connected with a cable and cannot be used via wireless
How Does the NVR/DVR Work?
Network Video Recorder (NVR) protects encoded videos from IP cameras over the network. That is to say, an NVR system does not require any dedicated video processing hardware. In addition, the Digital Video Recorder (DVR) has a small chip in the interior to encode and procedure analog videos in digital format. Therefore, you can watch and play the recordings.
Both NVRs and DVRs are used for video recording and storage. Once connected to the monitor, NVR and DVR cameras can be easily accessed, viewed, and configured.
DVR System Components – Pros, Cons, Differences:
DVR systems characteristically utilize analog security cameras. Because of the camera, DVR security systems usually cost less than NVR systems. Analog cameras broadcast analog signals to a recorder, which then processes the video statistics. Compared to NVR and IP systems, most DVR cameras are less complex and expensive.
The analogue camera connects to the DVR via a coaxial cable. In addition, this can be a cat5e or cat6 and via a balun. Coaxial cables – unlike data cables – do not power the camera. This means that the two types of cables are required. One for power and one for video transmission. In addition, cameras with audio is a limitation because standard coaxial cables cannot support audio transmission.
DVR recorders rely on AD encoders to process raw video data into camera-able footage. As a result, each camera in the DVR system needs to be connected along with the recorder, as well as a separate power source. This can either be a local power or via a second cat5e or cat6 cable. Standard symmetrical cables do not transmit audio signals locally – an additional RCA connection is required to support this.
NVR System Components – Pros, Cons, Differences:
NVR systems use IP cameras, which are capable of processing video data before relaying the recorder. IP cameras are generally more robust, and are capable of recording and transmitting audio in addition to images. Advanced hardware license plates and facial recognition on IP cameras open the door to intelligent video analytics.
NVR Recorder is only used to store and view the footage. It does not process video data
Advantages of internet connectivity
One advantage of being connected to the Internet – the NVR camera system can upload footage to cloud-based servers.
The biggest difference between NVR and DVR is the camera and cabling they use. A network video recorder (NVR) can record the IP camera with a wireless connection (via WiFi NVR) or via Ethernet cables (PoE NVR).
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