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Black screen after time remapping - please, help!

Community Beginner ,
Apr 25, 2020 Apr 25, 2020

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I have about 40 files from car DVR. And I need make a long movie to show my trip in short time and make an accent of viewers to some moments. So I need to raise speed to 1000%, but in some moments reduce it to 50%. First, I put all videos to my timeline, and after it I make "clip from sequence" - it's, I think, best way to edit long video. After this, I set my time remapping keys, and lift line to 1000%. And from this moment my video playing only till certain point. After this point - black screen. If I reduce speed to, for example, 200% - everything is OK. What I'm doing wrong?

By the way, if it's important, I have strong machine - 3950X, 64RAM, all SSD, 2080Ti.

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Community Expert ,
Apr 25, 2020 Apr 25, 2020

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I work around to try for now would be to do a render and replace. Then apply the speed ramping to the clip.

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Community Expert ,
Apr 25, 2020 Apr 25, 2020

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I'm guessing that the source clips have a variable frame rate which Premiere has problems with...

Use media info to check to see if your source clips have a variable frame rate

https://mediaarea.net/en/MediaInfo/Download

If they do, use handbrake to convert to a constant frame rate.  

https://handbrake.fr

 

Post back if you have any questions about workflow using these 2 programs

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Community Beginner ,
Apr 25, 2020 Apr 25, 2020

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Thank you, but I arleady checked this. There is same bitrate, same resolution, same file format etc. And... CBR. All files has been recorded in 4 hours on one device, one SD-card, no one setting has been changed while recording. Now I resolved this promlem trough render all files from timeline to one .mp4 file, after this I use this file like  like source and have no promblems. Of course, it was longer, but effective :))

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New Here ,
Apr 23, 2023 Apr 23, 2023

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This is the quick fix from premiere

https://www.youtube.com/watch?v=Ak6YapU3pMk

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Community Expert ,
Apr 23, 2023 Apr 23, 2023

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quote

Thank you, but I arleady checked this. There is same bitrate, same resolution, same file format etc. And... CBR. A


By @timofax

 

You want Constant Frame Rate, not Constant Bit Rate.

 

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Community Beginner ,
Jun 07, 2024 Jun 07, 2024

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Same problem here with Premiere 24.4.1 (Build 2).

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