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24p
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=== Non-linear editing and 24/25 telecine === The process of transferring 24 frame/s video at 25 frame/s rates is also the most common method for ingesting 24p film rushes into a [[non-linear editor]]. The resulting 25 frame/s video can then be transferred into a non-linear editing system at 25 frame/s, maintaining the 1:1 frame correspondence between film frames and video frames. Once in the non-linear editing system, the editing system, knowing that the material actually originated 24 frame/s rather than at 25 frame/s, will replay it at the correct speed. The original film [[Keykode]] and 24 frame/s audio timecode can be then be reconciled with the 25 frame/s telecine timecode by the generation of a telecine log file containing this information. Again, once the non-linear editor has this information, editing can be performed entirely in terms of 24 frame/s timecode, and the Keykode information preserved for either film cutting or [[digital intermediate]] post-production of scanned film images. Because sound is recorded separately from moving pictures in 24p projects, there are no problems regarding synchronization or audio pitch: the audio material is simply ingested separately from the moving picture material at its natural rate, and synchronized within the non-linear editor.
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