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500% speed up video lag

New Here ,
Sep 12, 2022 Sep 12, 2022

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Hello. I'm having trouble playing back video in my timeline after i speed it up. Sometimes anything over 300% speed will lag. I have a pretty hefty system so I'm not sure why it would lag so bad. GPU acceleration CUDA is enabled. Windows graphics settings are set to GPU high performance. I usually use Iphone .MOV HEVC 4k footage. I can play anything back in normal speed 4k full res in timeline without rendering but when i speed it up it lags. I have Premiere Pro installed on an M.2 SSD but i keep the footage on either an internal HD or portable HD. When the final video is exported it is fine but id like to preview smoothly before export. I have 2 32" 4k monitors 1 hooked up to internal graphics and 1 hooked up to GPU. I use the one hooked up to GPU for premiere pro. Maybe if i plugged both into GPU and turn off internal graphics? Please help.

 

System:

Processor Intel(R) Core(TM) i9-10900K CPU @ 3.70GHz 3.70 GHz
Installed RAM 32.0 GB (31.9 GB usable)
GPU NVIDIA GeForce RTX 3090
System type 64-bit operating system, x64-based processor
Windows 10 Home

 

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Community Expert ,
Sep 13, 2022 Sep 13, 2022

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ProRes clips in a Sequence with Video Previews set to matching ProRes settings should play well with a Speed change without needing to render (for example, reversing a ProRes clip in a ProRes Timeline will not have Yellow above the clip in the Time Ruler).

 

 

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