Telecine is a device that converts film movies to video. The main problem in film-to-video conversion is the frame rate. In film movies it is 18 or 24 frames per second, which does not match the video frame rate of PAL or NTSC. For good conversion, interpolation and other techniques are used in the telecine device. In advanced telecine machines, film movie is sampled digitally and converted to video, frame after frame, in real-time. One of the most popular digital systems used in professional telecine machines is called flying-spot, which allows almost transparent conversion to video. The digital process is called pull down.
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