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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. NVRs typically have embedded operating systems.

  3. Home security - Wikipedia

    en.wikipedia.org/wiki/Home_security

    A home security camera system software on a Windows laptop for monitoring. Home security includes both the security hardware placed on a property and individuals' personal security practices. Security hardware includes doors, locks, alarm systems, lighting, motion detectors, and security camera systems. Personal security involves practices like ...

  4. Closed-circuit television - Wikipedia

    en.wikipedia.org/wiki/Closed-circuit_television

    It is estimated to incorporate the video feeds of a total of 15,000 cameras. [164] The system is used by Chicago's Office of Emergency Management in case of an emergency call: it detects the caller's location and instantly displays the real-time video feed of the nearest security camera to the operator, not requiring any user intervention ...

  5. Dahua Technology - Wikipedia

    en.wikipedia.org/wiki/Dahua_Technology

    In 2018, Dahua acquired security video camera company Lorex. [11] [12] By 2019, following the rollout of the Chinese government's "Sharp Eyes" surveillance program, Dahua had grown to become the second largest video surveillance company in the world. [5] Dahua is a provider of a suite of digital Smart City products which are marketed for "Safe ...

  6. Closed-circuit television camera - Wikipedia

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

    These cameras do not require a video capture card because they work using a digital signal which can be saved directly to a computer. The signal is compressed 5:1, but DVD quality can be achieved with more compression (MPEG-2 is standard for DVD-video, and has a higher compression ratio than 5:1, with a slightly lower video quality than 5:1 at best, and is adjustable for the amount of space to ...

  7. Wireless security camera - Wikipedia

    en.wikipedia.org/wiki/Wireless_security_camera

    Wireless security cameras are closed-circuit television (CCTV) cameras that transmit a video and audio signal to a wireless receiver through a radio band. Many wireless security cameras require at least one cable or wire for power; "wireless" refers to the transmission of video/audio.

  8. Cable-suspended camera system - Wikipedia

    en.wikipedia.org/wiki/Cable-suspended_camera_system

    1D (point to point) cable cam system for live TV broadcast of sports and events - Defy Dactylcam and Newton stabilized camera head. A cable-suspended camera system is a system of cables above or along an area to be filmed or videoed, over or along which an attached camera head travels to achieve required camera angles.

  9. Multiple-camera setup - Wikipedia

    en.wikipedia.org/wiki/Multiple-camera_setup

    The multiple-camera setup, multiple-camera mode of production, multi-camera or simply multicam is a method of filmmaking, television production and video production. Several cameras—either film or professional video cameras —are employed on the set and simultaneously record or broadcast a scene.