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Forums Adobe Premiere Pro Glitches when exporting with “Optical Flow”

  • Glitches when exporting with “Optical Flow”

  • David Robisco

    June 26, 2022 at 10:03 pm

    Hi there! So I’m trying to export a video which has subtitles on it and it’s giving me some problems. I tryed different time interpolation algorithms and:

    Frame Sampling/Frame Blending:

    They both export making some kind of fade between each frame so you get this blurry/low quality effect really noticeable on the subtitles: (marked in red in on the attached photo)


    Optical Flow:

    Doesn’t make the fade thing but instead in makes some kind of glitches between each clip (photo attached)

    Can anyone please help me with this problem? I’ll also attach my export settings in case there has nothing to do with time interpolation.

    Thanks in advance!


  • Ann Bens

    June 26, 2022 at 10:46 pm

    Variable framerate is not something Premiere is very good at.

    Convert to constant framerate with Handbrake before bringing it to Premiere.

    Fields should say progressive, not Upper.

    Turn off Max Render/Max depth and optical flow in the export settings.

    Optical flow in the timeline is only used on slomo’s.

    You only use optical flow in the export settings when export framerate is different from source.

    On a side note : dont call it RAW video and the RAW format is something totally different.

  • David Robisco

    June 26, 2022 at 11:00 pm

    It worked! Thank you very much!! I know! Its the name of the project I’m working on atm.

    Thanks for the tip!

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