Digital Video Effects, commonly called DVEs, are visual effects that provide comprehensive video image manipulation, in the same form as optical printer

Optical printer

An optical printer is a device consisting of one or more film projectors mechanically linked to a movie camera. It allows filmmakers to re-photograph one or more strips of film...

 effects in film. DVE effects differ from switcher

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...

 effects (ofter referred to as "analog effects") such as wipes or dissolves, in that they deal primarily with resizing, distortion or movement of the primary visual image.

Early examples of DVE devices found in the broadcast 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...

 industry include the Ampex

Ampex

Ampex is an American electronics company founded in 1944 by Alexander M. Poniatoff. The name AMPEX is an acronym, created by its founder, which stands for Alexander M. Poniatoff Excellence...

 ADO ("Ampex Digital Optics"), Quantel

Quantel

Quantel is a company based in the United Kingdom and founded in 1973 that designs and manufactures digital production equipment for the broadcast television, video production and motion picture industries...

 DPE-3000, NEC DVE and Abekas A-53D.

DVEs are used in by the broadcast

Broadcast

Broadcast or Broadcasting may refer to:* Broadcasting, the transmission of audio and video signals* Broadcast, an individual television program or radio program* Broadcast , an English electronic music band...

 television

Television

Television is a telecommunication medium for transmitting and receiving moving images that can be monochrome or colored, with accompanying sound...

 industry in 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...

 production environments like television studio

Television studio

A television studio is an installation in which a video productions take place, either for the recording of live television to video tape, or for the acquisition of raw footage for post-production. The design of a studio is similar to, and derived from, movie studios, with a few amendments for the...

s and outside broadcasts. They are commonly used in video post-production.

See also

• 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...
  
  
• Technical director
  Technical director
  The Technical Director or Technical Manager is usually a senior technical person within a software company, film studio, theatrical company or television studio...
  
  
• Television director
  Television director
  A television director directs the activities involved in making a television program and is part of a television crew.-Duties:The duties of a television director vary depending on whether the production is live or recorded to video tape or video server .In both types of productions, the...