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Some clips are flickering even after rendering

Specific to Premiere Elements version 2021

Some clips are flickering even after rendering

Postby Fast Eddie Ski » Wed Sep 21, 2022 5:44 pm

I’m creating a music video showing 8 screens of musicians playing their parts. Some of the clips (not all) are flickering even after rendering. They are all created using an iPhone at 30 frames per second. I am running Premiere Elements 2021 on a MacBook Pro (Catalina). I read that duplicating the clip and to move the top,clip,by 1 frame and set the opacity to 50% for the clip works on Premiere Pro. Is that the solution on Premiere Elements to remove the flickering that just started on some clips?
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Re: Some clips are flickering even after rendering

Postby John 'twosheds' McDonald » Thu Sep 22, 2022 2:00 am

You have written that all clips have come from an iPhone at thirty FPS. Can you check that this is the case and that the frame rates and resolution are all identical? My initial thought is that the frame rates might be different.
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Re: Some clips are flickering even after rendering

Postby Steve Grisetti » Thu Sep 22, 2022 8:56 am

In fact, please open your iPhone video in the free download MediaInfo. In MediaInfo, set View to Text and then copy the text of this report and paste it to this forum.

Spot check a couple of your clips to ensure they have the same specs, per John's suggestion.

But these specs may hold the key to your issue.

I don't think the duplicating the clip hack will really resolve things.
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Re: Some clips are flickering even after rendering

Postby sidd finch » Thu Sep 22, 2022 2:48 pm

iPhones do not shoot fixed frame rates; they shoot variable frame rates, which are essentially unstable. It’s a pain and usually means the media has to be optimized. There is a toggle in the camera settings that turn variable frame rate on and off. Or if you use an app like Filmic Pro you will not have this issue

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