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Inverse telecine (IVTC) is a procedure where the telecine process is reversed with the help of video editing tools. It is a process of transforming a film back to its original frame rate from 24 fixtures per second to video, which consists of 60 fields per second. This expression is also used for apparatus used in post-production. This expression enables a motion picture, reproduced originally on a film stock, to be seen with standard video equipment, such as television sets or computers.
Inverse telecine is also known as reverse telecine and reverse pulldown.
Inverse telecine makes use of various techniques rather than just shifting the fields from one frame to another. Inverse telecine is done in order to enhance the quality of the video. When a video is digitally encoded, there might be degradations in its quality due to the whole compression process. To ensure that the quality of the digital output is as per the standards, the process of inverse telecine is performed. During this process, in the case of films, the original 24 film frames per second are reconstructed from the input video before encoding the content.