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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 succession, usually at 24, 25, 30, or 60 frames per second ...
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.
The video clips are arranged on a timeline, music tracks, titles, digital on-screen graphics are added, special effects can be created, and the finished program is "rendered" into a finished video. The video may then be distributed in a variety of ways including DVD, web streaming, QuickTime Movies, iPod, CD-ROM, or video tape.
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. VP9 ) alongside ...
Vine, a short-form video sharing service where users can share six-second-long looping video clips, is founded by Dom Hofmann, Rus Yusupov, and Colin Kroll. [43] [44] 2012 December Companies Snapchat adds the ability to send video snaps in addition to photos. [45] 2013 June 13 Product Instagram launches video sharing. [46] 2015 January 27 Products
Video production is the process of producing video content. 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 .
The arrival of computers and the Internet in the 1980s expanded videography beyond traditional video recording to include digital animation (such as Flash), gaming, web streaming, video blogging, slideshows, remote sensing, spatial imaging, medical imaging, security camera imaging, and the production of bitmap and vector based assets. As the ...
John Whitney Sr. (1917–1995) was an American animator, composer and inventor, widely considered to be one of the fathers of computer animation. [1] In the 1940s and 1950s, he and his brother James created a series of experimental films made with a custom-built device based on old anti-aircraft analog computers (Kerrison Predictors) connected by servomechanisms to control the motion of lights ...