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Jakenbake98
Participating Frequently
July 10, 2017
Question

Flickering screen after exporting (Premiere Pro CC) like strobe

  • July 10, 2017
  • 2 replies
  • 23586 views

So after I export my project into mp4, i watch the video and it constantly flickers between what's supposed to be shown and a black screen like a strobe. I exported it as h.264 and match source. It is a very big project (7 mins, 600 MB after export) with a lot of effects, adjustment layers, etc. What i assume is part of the problem (but may have nothing to do with it... idk) is that I have footage that is 59.94, 23.976, 25, and 30 fps all in the same sequence but the sequence settings are set to 23.976 (so it exports as 23.976). I was under the impression that it would work fine to put various fps footage in a sequence and for example, Premiere would just cut out every other frame of a 59.95 fps piece of footage to fit in the sequence. Is this not the case?

I have changed the renderer from OpenCL to Metal to Software only and it still flickers after export every time. Please help!!

EDIT: I have also tried rendering out a small portion of the video (like 20 seconds of it) and it turns out fine, with no flickering. Could the issue maybe be with my computer not being able to handle such a large export?

Thank you,

Jake

This topic has been closed for replies.

2 replies

lechubb
lechubb
Participant
January 16, 2020

Even though this post is over two years old, I struggled with the same issue today. I believe my problem was using b-roll that had a higher frame rate then my main interview footage. I dropped the Effect "Posterize Time" on my b-roll and that took care of the flashing after exporting the video.

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    John Brainerd
    Participant
    July 22, 2021

    Here's another quick example. I just googled this topic because I was having the same symptom. After trying some of the solutions in this thread without luck, I realized that I had shadow/highlight effect applied twice to each clip. Removed the redundant effect and the flickering went away. I think I've done this more that once (accidentally applied the same effect multiple times). I need to figure out how I continue to do this so easily...

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    julesm73006626
    Participant
    September 1, 2017

    Hi Jake, were you able to solve this issue? I have the same problem

    J
    Jakenbake98Author
    Participating Frequently
    September 3, 2017

    I think I just set it to Software Only (file>project settings>general>renderer>Mercury playback engine software only) and that did the trick. I also set the bitrate encoding to vbr 2 pass. I don't know if that helped with the flickering though. I think it was just the software only that helped.

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      Jonibean
      Inspiring
      March 5, 2018

      I was having this problem when queuing through media encoder with Premiere 2018. I found if I exported it directly from Premiere it wasn't happening. Maybe I need to update Media Encoder, but my Premiere 2018 runs very slowly on my computer so I had to reinstall 2017. If I upgrade media encoder it might not work with 2017. So I guess some experimenting is in my future.

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