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Concept
Telecine
Summary
Telecine (ˈtɛləsɪneɪ or ˌtɛləˈsɪneɪ) is the process of transferring film into video and is performed in a color suite. The term is also used to refer to the equipment used in this post-production process.
Telecine enables a motion picture, captured originally on film stock, to be viewed with standard video equipment, such as television sets, video cassette recorders (VCR), DVD, Blu-ray Disc or computers. Initially, this allowed television broadcasters to produce programs using film, usually 16-mm stock, but transmit them in the same format, and quality, as other forms of television production. Furthermore, telecine allows film producers, television producers and film distributors working in the film industry to release their productions on video and allows producers to use video production equipment to complete their filmmaking projects.
Within the film industry, it is also referred to as a TK, because TC is already used to designate timecode. Motion picture film scanners are similar to telecines.
With the advent of popular broadcast television, producers realized they needed more than live television programming. By turning to film-originated material, they would have access to the wealth of films made for the cinema in addition to recorded television programming on film that could be aired at different times. However, the difference in frame rates between film (generally 24 frames/s) and television (30 or 25 frames/s, interlaced) meant that simply playing a film into a television camera would result in flickering.
Originally the kinescope was used to record the image from a television display to film, synchronized to the TV scan rate. This could then be re-played directly into a video camera for re-display. Non-live programming could also be filmed using the same cameras, edited mechanically as normal, and then played back for TV. As the film was run at the same speed as the television, the flickering was eliminated.
Official source
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