Video editing
Encyclopedia
The term video editing can refer to:
  • Linear video editing
    Linear video editing
    Linear video editing is a video editing post-production process of selecting, arranging and modifying images and sound in a predetermined, ordered sequence. Regardless whether captured by a video camera, tapeless camcorder, recorded in a television studio on a video tape recorder the content must...

    , using video tape
  • Non-linear editing system
    Non-linear editing system
    In video, a non-linear editing system is a video editing or audio editing digital audio workstation system which can perform random access non-destructive editing on the source material...

     (NLE), using computers with video editing software
    Video editing software
    Video editing software, is application software which handles the post-production video editing of digital video sequences on a computer non-linear editing systems...

  • Offline editing
    Offline editing
    Offline editing is part of the post-production process of filmmaking and television production in which raw footage is copied and edited, without affecting the camera original film stock or video tape...

  • Online editing
    Online editing
    Online editing is an older post-production linear video editing process that is performed in the final stage of a video production. It occurs after offline editing...

  • Vision mixing, when working within live television
    Live television
    Live television refers to a television production broadcast in real-time, as events happen, in the present. From the early days of television until about 1958, live television was used heavily, except for filmed shows such as I Love Lucy and Gunsmoke. Video tape did not exist until 1957...

     and 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...

     environments

Background

Video editing is the process of editing segments of motion 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...

 footage, special effect
Special effect
The illusions used in the film, television, theatre, or entertainment industries to simulate the imagined events in a story are traditionally called special effects ....

s and sound recordings in the post-production
Post-production
Post-production is part of filmmaking and the video production process. It occurs in the making of motion pictures, television programs, radio programs, advertising, audio recordings, photography, and digital art...

 process. Motion picture film editing
Film editing
Film editing is part of the creative post-production process of filmmaking. It involves the selection and combining of shots into sequences, and ultimately creating a finished motion picture. It is an art of storytelling...

 is a predecessor to video editing and, in several ways, video editing simulates motion picture film editing, in theory and the use of linear video editing
Linear video editing
Linear video editing is a video editing post-production process of selecting, arranging and modifying images and sound in a predetermined, ordered sequence. Regardless whether captured by a video camera, tapeless camcorder, recorded in a television studio on a video tape recorder the content must...

 and video editing software
Video editing software
Video editing software, is application software which handles the post-production video editing of digital video sequences on a computer non-linear editing systems...

 on non-linear editing system
Non-linear editing system
In video, a non-linear editing system is a video editing or audio editing digital audio workstation system which can perform random access non-destructive editing on the source material...

s (NLE). Using video, a director can communicate non-fictional and fictional events. The goals of editing is to manipulate these events to bring the communication closer to the original goal or target. It is a visual art.

Early video tape recorder
Video tape recorder
A video tape recorder is a tape recorder that can record video material, usually on a magnetic tape. VTRs originated as individual tape reels, serving as a replacement for motion picture film stock and making recording for television applications cheaper and quicker. An improved form included the...

s (VTR) were so expensive, and the quality degradation caused by copying was so great, that 2 inch Quadruplex videotape
2 inch Quadruplex videotape
2-inch quadruplex videotape was the first practical and commercially successful analog recording videotape format. It was developed and released for the broadcast television industry in 1956 by Ampex, an American company based in Redwood City, California...

 was edited by visualizing the recorded track with ferrofluid
Ferrofluid
A ferrofluid is a liquid which becomes strongly magnetized in the presence of a magnetic field.Ferrofluids are colloidal liquids made of nanoscale ferromagnetic, or ferrimagnetic, particles suspended in a carrier fluid . Each tiny particle is thoroughly coated with a surfactant to inhibit clumping...

 and cutting with a razor blade
Razor blade
Razor blade may refer to* A razor* The Razor Blade, a 1920s racing car* Razor blade steel, a type of steel originally designed specifically for razor blades...

 or guillotine
Guillotine
The guillotine is a device used for carrying out :executions by decapitation. It consists of a tall upright frame from which an angled blade is suspended. This blade is raised with a rope and then allowed to drop, severing the head from the body...

 cutter and splicing with video tape. The two pieces of tape to be joined were painted with a solution of extremely fine iron filings suspended in carbon tetrachloride
Carbon tetrachloride
Carbon tetrachloride, also known by many other names is the organic compound with the formula CCl4. It was formerly widely used in fire extinguishers, as a precursor to refrigerants, and as a cleaning agent...

, a toxic and carcinogenic compound. This "developed" the magnetic tracks, making them visible when viewed through a microscope
Microscope
A microscope is an instrument used to see objects that are too small for the naked eye. The science of investigating small objects using such an instrument is called microscopy...

 so that they could be aligned in a splicer designed for this task.

Improvements in quality and economy, and the invention of the flying erase-head, allowed new video and audio material to be recorded over the material already recorded on an existing magnetic tape
Magnetic tape
Magnetic tape is a medium for magnetic recording, made of a thin magnetizable coating on a long, narrow strip of plastic. It was developed in Germany, based on magnetic wire recording. Devices that record and play back audio and video using magnetic tape are tape recorders and video tape recorders...

 and was introduced into the linear editing technique. If a scene closer to the beginning of the video tape needed to be changed in length, all later scenes would need to be recorded onto the video tape again in sequence
Sequence
In mathematics, a sequence is an ordered list of objects . Like a set, it contains members , and the number of terms is called the length of the sequence. Unlike a set, order matters, and exactly the same elements can appear multiple times at different positions in the sequence...

. In addition, sources could be played back simultaneously through a vision mixer
Vision mixer
A vision mixer is a device used to select between several different video sources and in some cases Compositing video sources together to create special effects...

 (video switcher) to create more complex transitions between scenes.

There was a transitional analog period using multiple source videocassette recorder
Videocassette recorder
The videocassette recorder , is a type of electro-mechanical device that uses removable videocassettes that contain magnetic tape for recording analog audio and analog video from broadcast television so that the images and sound can be played back at a more convenient time...

 (VCR)s with the EditDroid
EditDroid
The EditDroid was a computerized analog NLE , developed by Lucasfilm spin-off company, the Droid Works and Convergence Corporation who formed a joint venture company. The company existed up through the mid-80's to the early 90's in an attempt to move from analog editing methods to digital...

 using LaserDisc
Laserdisc
LaserDisc was a home video format and the first commercial optical disc storage medium. Initially licensed, sold, and marketed as MCA DiscoVision in North America in 1978, the technology was previously referred to interally as Optical Videodisc System, Reflective Optical Videodisc, Laser Optical...

 players, but modern NLE systems edit video digitally captured onto a hard drive from an analog video
Analog video
Analog video is a video signal transferred by an analog signal. An analog color video signal contains luminance, brightness and chrominance of an analog television image...

 or 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 :...

 source. Content is ingested and recorded natively with the appropriate codec
Codec
A codec is a device or computer program capable of encoding or decoding a digital data stream or signal. The word codec is a portmanteau of "compressor-decompressor" or, more commonly, "coder-decoder"...

 which will be used by video editing software such as Sony Vegas
Sony Vegas
Sony Vegas is a professional video editing software package for non-linear editing systems originally published by Sonic Foundry, now owned and run by Sony Creative Software. Originally developed as an audio editor, it eventually developed into an NLE for video and audio from version 2.0...

, CyberLink
CyberLink
CyberLink is a digital entertainment and multimedia products software corporation. CyberLink's 2008 revenue was $140 million with market capitalization of $420 million. Cyberlink's headquarters are based in Taipei, Taiwan with worldwide offices in Fremont, USA; Tokyo, Japan; and the Netherlands...

 PowerDirector
PowerDirector
CyberLink PowerDirector is a video editing software application for non-linear video editing, published by CyberLink Corporation. PowerDirector allows users to capture, edit and output from within the software and has semi-professional features suitable for the consumer level...

, Avid Technology
Avid Technology
Avid Technology, Inc. is an American company specializing in video and audio production technology; specifically, digital non-linear editing systems, management and distribution services. It was created in 1987 and became a publicly traded company in 1993...

's Media Composer
Media Composer
Media Composer, frequently referred to as "Avid", is a type of computer software application known as a Non-linear editing system . It is the flagship product of Avid Technology. It was released in 1989 on the Macintosh II as an offline editing system...

 and Xpress Pro
Xpress Pro
Avid Xpress Pro was a non-linear video editing software aimed at professionals in the TV and movie industry. It was available for Microsoft Windows PCs and Apple Macintosh computers....

, Apple's Final Cut Pro
Final Cut Pro
Final Cut Pro is a non-linear video editing software developed by Macromedia Inc. and then Apple Inc. The most recent version, Final Cut Pro X, runs on Mac personal computers powered by Mac OS X version 10.6.7 or later and using Intel processors...

 (FCP), Adobe Systems
Adobe Systems
Adobe Systems Incorporated is an American computer software company founded in 1982 and headquartered in San Jose, California, United States...

's Premiere, and EditShare's Lightworks
Lightworks
Lightworks is an Oscar and Emmy award winning professional NLE system for editing and mastering of movies in 2K and 4K as well as television productions in PAL, NTSC and HD...

 to manipulate the captured footage. High-definition video
High-definition video
High-definition video or HD video refers to any video system of higher resolution than standard-definition video, and most commonly involves display resolutions of 1,280×720 pixels or 1,920×1,080 pixels...

 is becoming more popular and can be readily edited using the same video editing software along with related motion graphics
Motion graphics
Motion graphics are graphics that use video footage and/or animation technology to create the illusion of motion or rotation, graphics are usually combined with audio for use in multimedia projects. Motion graphics are usually displayed via electronic media technology, but may be displayed via...

 programs. Video clips are arranged on a timeline, music tracks, titles, digital on-screen graphic
Digital on-screen graphic
A digital on-screen graphic is a watermark-like station logo that many television broadcasters overlay over a portion of the screen-area of their programs to identify the channel...

s are added, special effect
Special effect
The illusions used in the film, television, theatre, or entertainment industries to simulate the imagined events in a story are traditionally called special effects ....

s can be created, and the finished program is "render
Render
Render or rendering may refer to:In Computing:* Artistic rendering, creating, shading and texturing of an image* Architectural rendering, creating two-dimensional images or animations showing the attributes of a proposed architectural design...

ed" into a finished video. The video may then be distributed in a variety of ways including DVD
DVD
A DVD is an optical disc storage media format, invented and developed by Philips, Sony, Toshiba, and Panasonic in 1995. DVDs offer higher storage capacity than Compact Discs while having the same dimensions....

, web streaming
Streaming media
Streaming media is multimedia that is constantly received by and presented to an end-user while being delivered by a streaming provider.The term "presented" is used in this article in a general sense that includes audio or video playback. The name refers to the delivery method of the medium rather...

, QuickTime
QuickTime
QuickTime is an extensible proprietary multimedia framework developed by Apple Inc., capable of handling various formats of digital video, picture, sound, panoramic images, and interactivity. The classic version of QuickTime is available for Windows XP and later, as well as Mac OS X Leopard and...

 Movies, iPod, CD-ROM
CD-ROM
A CD-ROM is a pre-pressed compact disc that contains data accessible to, but not writable by, a computer for data storage and music playback. The 1985 “Yellow Book” standard developed by Sony and Philips adapted the format to hold any form of binary data....

, or video tape.

Home video editing

Like many other technologies, the cost of video editing has declined by an order of magnitude or more. The 2" Quadraplex system cost so much that many television production facilities could only afford a single unit and editing was a highly involved process requiring special training. In contrast, nearly any home computer sold since the year 2000 has the speed and storage capacity to digitize and edit standard-definition television
Standard-definition television
Sorete-definition television is a television system that uses a resolution that is not considered to be either enhanced-definition television or high-definition television . The term is usually used in reference to digital television, in particular when broadcasting at the same resolution as...

 (SDTV). The two major retail operating systems include basic video editing software - Apple's iMovie
IMovie
iMovie is a proprietary video editing software application which allows Mac, iPod Touch 4th generation, iPhone 4, iPhone 4S, and iPad 2 users to edit their own home movies. It was originally released by Apple in 1999 as a Mac OS 8 application bundled with the first FireWire-enabled consumer Apple...

 and Microsoft
Microsoft
Microsoft Corporation is an American public multinational corporation headquartered in Redmond, Washington, USA that develops, manufactures, licenses, and supports a wide range of products and services predominantly related to computing through its various product divisions...

's Windows Movie Maker
Windows Movie Maker
Windows Movie Maker is a video creating/editing software application, included in Microsoft Windows Me, XP, and Vista. It contains features such as effects, transitions, titles/credits, audio track, timeline narration, and Auto Movie. New effects and transitions can be made and existing ones can be...

.

There are also more advanced commercial products such as AVS Video Editor
AVS Video Editor
AVS Video Editor is a shareware video editing software tool produced by Online Media Technologies Ltd., the direct vendor of multimedia video and audio solutions, UK. The program is intended for those who are new to video editing, it also is a real-time, timeline-based video editing software...

, Adobe Premiere Elements
Adobe Premiere Elements
Adobe Premiere Elements is a video editing software application for nonlinear video editing, published by Adobe Systems. It is a scaled-down version of the professional-level Adobe Premiere Pro, and is optionally bundled with Adobe Photoshop Elements. In 2006, it was identified as the number one...

, AVID Express DV, CyberLink
CyberLink
CyberLink is a digital entertainment and multimedia products software corporation. CyberLink's 2008 revenue was $140 million with market capitalization of $420 million. Cyberlink's headquarters are based in Taipei, Taiwan with worldwide offices in Fremont, USA; Tokyo, Japan; and the Netherlands...

 PowerDirector
PowerDirector
CyberLink PowerDirector is a video editing software application for non-linear video editing, published by CyberLink Corporation. PowerDirector allows users to capture, edit and output from within the software and has semi-professional features suitable for the consumer level...

, Final Cut Pro X, Sony Vegas
Sony Vegas
Sony Vegas is a professional video editing software package for non-linear editing systems originally published by Sonic Foundry, now owned and run by Sony Creative Software. Originally developed as an audio editor, it eventually developed into an NLE for video and audio from version 2.0...

, Pinnacle Studio
Pinnacle Studio
Pinnacle Studio is a non-linear video editing software application manufactured by Pinnacle Systems, a division of Avid Technology. It is the consumer-level counterpart to Pinnacle's former professional-level software, Liquid Edition . It also inherits from VOB Computersysteme's Instant CD/DVD...

, Ulead VideoStudio
Ulead VideoStudio
Corel VideoStudio is a video editing software package for Microsoft Windows distributed by Ulead Systems . The latest version of the software is X4 released on February 24, 2011.-Basic editing:...

, Roxio
Roxio
Roxio is a division and brand of Sonic Solutions . Roxio branded products are sold online, through over 15,000 retail outlets, to organizations through volume license agreements and pre-loaded onto OEM PC's and devices...

 Easy Media Creator, muvee autoProducer, and Videopad
Videopad
VideoPad is a video editing software developed by NCH Software for the home and professional market. The software is complemented by the virtual dub plug-ins that work with the software...

.

Additionally, there are free, opensource video-editing programs. These include Avidemux
Avidemux
Avidemux is a free and open-source video editing program designed for video editing and video processing. It is written in C++, and uses either the GTK+ or Qt.- Features :...

, VirtualDub
VirtualDub
VirtualDub is a video capture and video processing utility for Microsoft Windows written by Avery Lee.It is designed to process linear video streams, including filtering and recompression...

, Kdenlive
Kdenlive
Kdenlive is an open source video editing software package based on the MLT Framework that focuses on flexibility and ease of use...

, PiTiVi
PiTiVi
PiTiVi is a open source non-linear video editor developed by Collabora and contributors from the worldwide community. It is licensed under the terms of the GNU Lesser General Public License. PiTiVi is designed to be intuitive video editing software that integrates well in the GNOME desktop...

, Kino
Kino (software)
Kino is a free software GTK+-based video editing software for Linux and other Unix-like operating systems. The development of Kino was started at the end of 2000 by Dan Dennedy and Arne Schirmacher...

, Openshot and Cinelerra
Cinelerra
Cinelerra is prosumer video editing software. It is designed for the GNU/Linux operating system. It is produced by Heroine Virtual, and is free software distributed under the GNU General Public License...

. A new free and collaborative video editing platform called WeVideo
WeVideo
WeVideo provides a cloud-based, collaborative video editing platform. The company has adopted a freemium business model and provides 1 GB of free storage with an export resolution of 360p for personal use. Additional storage and increased export resolution capabilities are available for both...

 was introduced to the market in September 2011, which allows multiple users and editors for a unified video real.

See also

  • Edit Decision List
    Edit decision list
    An edit decision list or EDL used in the post-production process of film editing and video editing. The list contains an ordered list of reel and timecode data representing where each video clip can be obtained in order to conform the final cut....

  • Video mashups
    Mashup (video)
    A video mashup is the combination of multiple sources of video—which usually have no relation with each other—into a derivative work, often lampooning its component sources or another text. Many mashup videos are humorous movie trailer parodies, a later genre of mashups gaining much popularity...

  • Photo slideshow software
    Photo slideshow software
    A photo slideshow software is a computer software application used to display a range of digital photos, images and videos in a predefined order...

  • Video scratching
    Video scratching
    Video scratching is a video editing technique used within the music industry. It is a variation of the audio editing technique scratching.It is typically used in either music videos or live performances, with one or more individuals manipulating a video sample to make it follow the rhythm of...

  • Video server
    Video server
    A video server is a computer based device dedicated to delivering video.Unlike personal computers, being multi-application devices, a video server is designed for one purpose; provisioning video, often for broadcasters. A professional grade video server records, stores, and playout of multiple...

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