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2. Digital video recorder - Wikipedia

   en.wikipedia.org/wiki/Digital_video_recorder

   A digital video recorder (DVR), also referred to as a personal video recorder (PVR) particularly in Canada and British English, is an electronic device that records video in a digital format to a disk drive, USB flash drive, SD memory card, SSD or other local or networked mass storage device. The term includes set-top boxes (STB) with direct to ...

3. Digital video - Wikipedia

   en.wikipedia.org/wiki/Digital_video

   Sony digital video camera used for recording content. Digital video is an electronic representation of moving visual images in the form of encoded digital data. This is in contrast to analog video, which represents moving visual images in the form of analog signals. Digital video comprises a series of digital images displayed in rapid ...

4. 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.

5. Camcorder - Wikipedia

   en.wikipedia.org/wiki/Camcorder

   Tapeless. A tapeless camcorder is a camcorder that does not use video tape for the digital recording of video productions as 20th century ones did. Tapeless camcorders record video as digital computer files onto data storage devices such as optical discs, hard disk drives and solid-state flash memory cards.

6. List of 4K video recording devices - Wikipedia

   en.wikipedia.org/wiki/List_of_4K_video_recording...

   30 frames per second. Samsung Galaxy Note 3 (2013) [a] (Snapdragon model) – The first mobile phone with 2160p at 30fps. Samsung Galaxy A8 Star (2018) – First Galaxy A-series device with 4K recording. Apple iPhone 6S / iPhone 6S Plus (2015) – The first iPhones to record in 4K.

7. Video camera - Wikipedia

   en.wikipedia.org/wiki/Video_camera

   A video camera is an optical instrument that captures videos, as opposed to a movie camera, which records images on film. Video cameras were initially developed for the television industry but have since become widely used for a variety of other purposes. Video cameras are used primarily in two modes.