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Apply and undo 3:2 pulldown with the FFmpeg telecine and detelecine filters
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What this guide covers
For editors who need film-rate footage in an interlaced broadcast rate, or want to reverse it. You end with a pattern choice and a matching undo. Based on the FFmpeg filters manual; it was not run.
More about this guide
Guide ID: art_01M6VY1YR258ABYJDD8ZMVD7P6
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Guide title
Apply and undo 3:2 pulldown with the FFmpeg telecine and detelecine filters
Coverage
For editors who need film-rate footage in an interlaced broadcast rate, or want to reverse it. You end with a pattern choice and a matching undo. Based on the FFmpeg filters manual; it was not run.
Example
A hypothetical 24p short prepared for an NTSC deck with the manual's preferred pattern, then reversed with the same pattern and compared; nothing was run.
Useful starting points
- Detelecine needs exactly the pattern used to telecine, and a start_frame if the stream was cut.
- Judder or combed frames after the undo usually mean a pattern or start-frame mismatch.
- Pick the pattern listed for your frame rate and system; a wrong one changes the duration.
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