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2. IP camera - Wikipedia

   en.wikipedia.org/wiki/IP_camera

   An Internet Protocol camera, or IP camera, is a type of digital video camera that receives control data and sends image data via an IP network. They are commonly used for surveillance , but, unlike analog closed-circuit television (CCTV) cameras, they require no local recording device, only a local area network .

3. Closed-circuit television - Wikipedia

   en.wikipedia.org/wiki/Closed-circuit_television

   The first IP camera was released in 1996 by Axis Communications, but IP cameras did not arrive in South Africa until 2008. [126] To regulate the number of suppliers in 2001, the Private Security Industry Regulation Act was passed requiring all security companies to be registered with the Private Security Industry Regulatory Authority (PSIRA). [127]

4. Network video recorder - Wikipedia

   en.wikipedia.org/wiki/Network_Video_Recorder

   Simple NVR-based camera system. A network video recorder (NVR) is a specialized computer system that records video [1] to a disk drive, USB flash drive, memory card, or other mass storage device. An NVR itself contains no cameras, but connects to them through a network, typically as part of an IP video surveillance system.

5. Closed-circuit television camera - Wikipedia

   en.wikipedia.org/wiki/Closed-circuit_television...

   NVR system with IP cameras. IP cameras or network cameras are digital video cameras, plus an embedded video server having an IP address, capable of streaming the video (and sometimes, even audio). [3] Because network cameras are embedded devices, and do not need to output an analogue signal, resolutions higher than closed-circuit television ...

6. Professional video over IP - Wikipedia

   en.wikipedia.org/wiki/Professional_video_over_IP

   Key components of IP-based CCTV remain consistent with analog technologies: image capture, with a combination of IP-based cameras or analog cameras using IP-based encoders; image transmission; Storage and Retrieval, which uses technologies such as RAID arrays and iSCSI for recorded and indexed video; and video management, which affords web ...

7. Video management system - Wikipedia

   en.wikipedia.org/wiki/Video_management_system

   A video management system, also known as video management software plus a video management server, is a component of a security camera system that in general: Collects video from cameras and other sources; Records / stores that video to a storage device; Provides an interface to both view the live video, and access recorded video