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I'm loading a video file (mp4) to MATLAB using VideoReader and making some edits. When done, I'm trying to write (using VideoWriter) an mp4 file, however I lose quality (in spite of changing quality to 100). I tried exporting as AVI and converting with ffmpeg, but ideally I would like to skip that part and get an extract directly from MATLAB.

Any ideas how to preserve that quality?

guyts
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  • Why are you asking this again (and again without going into details!)? [Your other question](https://stackoverflow.com/questions/45738910/mpeg4-quality-saved-in-matlab) – sascha Sep 06 '17 at 23:02
  • Asking this again since it was not answered yet, as you could probably see since you marked as duplicate. Also, what details do you want? – guyts Sep 07 '17 at 14:04
  • Please read the rules. (And there was an answer, but never a reaction from your side what's wrong with it.) – sascha Sep 07 '17 at 14:05

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