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2. Network video recorder - Wikipedia

   en.wikipedia.org/wiki/Network_Video_Recorder

   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.

3. 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.

4. Network DVR - Wikipedia

   en.wikipedia.org/wiki/Network_DVR

   Network DVR (NDVR), or network personal video recorder (NPVR), or remote storage digital video recorder (RS-DVR) is a network-based digital video recorder (DVR) stored at the provider's central location rather than at the consumer's private home. Traditionally, media content was stored in a subscriber's set-top box hard drive, but with NDVR the ...

5. Closed-circuit television - Wikipedia

   en.wikipedia.org/wiki/Closed-circuit_television

   Industrial video surveillance systems use network video recorders to support IP cameras. These devices are responsible for the recording, storage, video stream processing, and alarm management. Since 2008, IP video surveillance manufacturers can use a standardized network interface to support compatibility between systems. [161]

6. Comparison of DVR software packages - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_DVR_software...

   Video Disk Recorder: No No Yes Yes No Free GPL: 2.4.1 June 17, 2019; 5 years ago () [16] TV Done Right, VDR can use one to eight video cards and support DVB-S, DVB-C and DVB-T. Record and read any DVB flux with a lot of plugins. Windows Media Center: Yes No No No No

7. Hikvision - Wikipedia

   en.wikipedia.org/wiki/Hikvision

   Hikvision, Thermal & Optical Bi-spectrum Network Sphere Positioning System. As of 31 December 2017 Hikvision was owned by China Electronics Technology HIK Group Co., Ltd. (HIK Group, 中电海康集团有限公司), a wholly owned subsidiary of China Electronics Technology Group, which has a 39.59% stake.