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A video tape recorder (VTR) is a tape recorder designed to record and playback video and audio material from magnetic tape. The early VTRs were open-reel devices that record on individual reels of 2-inch-wide (5.08 cm) tape. They were used in television studios, serving as a replacement for motion picture film stock and making recording for ...
Videography involves capturing moving images on electronic media (such as: videotape, direct to disk recording, or solid state storage), and can include streaming media. It encompasses both video production and post-production methods. Historically Videography was considered the video counterpart to cinematography, which involved recording ...
Video is an electronic medium for the recording, copying, playback, broadcasting, and display of moving visual media. [ 1 ] Video was first developed for mechanical television systems, which were quickly replaced by cathode-ray tube (CRT) systems, which, in turn, were replaced by flat-panel displays of several types.
High definition video (prerecorded and broadcast) is defined threefold, by: The number of lines in the vertical display resolution. High-definition television (HDTV) resolution is 1,080 or 720 lines. In contrast, regular digital television (DTV) is 480 lines (upon which NTSC is based, 480 visible scanlines out of 525) or 576 lines (upon which ...
a) A bit stream duplicate of the original data. b) An imitation or representation of a person or thing, drawn, painted, photographed, axis etc. [ 5] Image Intensifier. A device that intensifies low light-level images to light levels that can be seen with the human eye or can be detected by a video camera.
Video production is the process of producing video content for video. It is the equivalent of filmmaking, but with video recorded either as analog signals on videotape, digitally in video tape or as computer files stored on optical discs, hard drives, SSDs, magnetic tape or memory cards instead of film stock.
Time period. Key developments in online video web sight. 1974–1992. Development of practical video coding standards. The development of the discrete cosine transform (DCT) lossy compression method leads to the first practical video formats, H.261 and MPEG, initially used for online video conferencing. 1993–2004.
Video file format. A video file format is a type of file format for storing digital video data on a computer system. Video is almost always stored using lossy compression to reduce the file size. A video file normally consists of a container (e.g. in the Matroska format) containing visual (video without audio) data in a video coding format (e.g ...