Desktop video
Encyclopedia
Desktop video refers to a phenomenon lasting from the mid-1980s to the early 1990s when the graphics capabilities of personal computers such as Commodore's Amiga
Amiga
The Amiga is a family of personal computers that was sold by Commodore in the 1980s and 1990s. The first model was launched in 1985 as a high-end home computer and became popular for its graphical, audio and multi-tasking abilities...

, the Apple Macintosh II and specially-upgraded IBM PC compatibles had advanced to the point where individuals and local broadcasters could use them for analog
Analog signal
An analog or analogue signal is any continuous signal for which the time varying feature of the signal is a representation of some other time varying quantity, i.e., analogous to another time varying signal. It differs from a digital signal in terms of small fluctuations in the signal which are...

 non-linear editing (NLE) and vision mixing in video production
Video production
Video production is videography, the process of capturing moving images on electronic media even streaming media. The term includes methods of production and post-production...

. Despite the use of computers, desktop video should not be confused with digital video
Digital video
Digital video is a type of digital recording system that works by using a digital rather than an analog video signal.The terms camera, video camera, and camcorder are used interchangeably in this article.- History :...

 since the video data remained analog. Full-screen, full-motion video's vast storage requirements meant that the promise of digital encoding would not be realized on desktop computers for at least another decade.

Description

There were multiple models of genlock
Genlock
Genlock is a common technique where the video output of one source, or a specific reference signal from a signal generator, is used to synchronize other television picture sources together. The aim in video and digital audio applications is to ensure the coincidence of signals in time at a...

 cards available to synchronise the content; the Newtek
NewTek
NewTek, Inc. is a San Antonio, Texas-based hardware and software company that produces live and post-production video tools and visual imaging software for personal computers...

 Video Toaster
Video Toaster
The NewTek Video Toaster is a combination of hardware and software for the editing and production of standard-definition and high-definition video in NTSC, PAL, and resolution independent formats on Commodore Amiga computers and subsequently on computers running the Windows operating system...

 was commonly used in Amiga and PC systems, while Mac systems had the SuperMac
Supermac
Supermac may refer to:* Harold Macmillan, , Prime Minister of the United Kingdom from 1957 to 1963* Malcolm "Supermac" Macdonald, , a retired English football player and pundit...

 Video Spigot and Radius
Radius (computer)
Radius was an American computer hardware firm founded in May 1986 by Burrell Smith, Andy Hertzfeld, Mike Boich, Matt Carter, Alain Rossmann and other members of the original Mac team specializing in Macintosh equipment....

 VideoVision cards. Apple later introduced the Macintosh Quadra 840AV and Centris 660AV systems to specifically address this market.

Desktop video was a parallel development to desktop publishing
Desktop publishing
Desktop publishing is the creation of documents using page layout software on a personal computer.The term has been used for publishing at all levels, from small-circulation documents such as local newsletters to books, magazines and newspapers...

 and enabled many small production houses and local TV stations to produce their own original content for the first time. Desktop video meant that television advertising on Public-access television
Public-access television
Public-access television is a form of non-commercial mass media where ordinary people can create content television programming which is cablecast through cable TV specialty channels...

, which had not been affordable before, became possible for local businesses such as real estate agents, contractors and auto dealers. As with the phrase desktop publishing, use of the term died out as the technologies it referred to became the norm for any kind of video production.

External links

The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
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