Premiere 14.7 - program playback becoming slower and slower

Community Beginner ,
Dec 30, 2020

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Hi,

 

so after one wonderful week without any problem at all, playback in my program monitor is out of a sudden becoming extremely laggy. I didn't change a thing. 

 

Here are my specs:

- Premiere Pro CC 14.7, newest update

- Mac Book Pro 15' 2017, 16 GB Ram, 500 GB

- Graphics: Radeon Pro 560 4 GB Intel HD Graphics 630 1536 MB

 

Workflow:

- Editing 4K MXF footage, which is linked to proxies, that were already generated by the camera. 

- Synced everything with multicam sync.

- Proxies are 2K MXF.

- Final output will be 2K, so i'm editing in a 2K sequence and set the default media scaling to "set to frame size".

- I'm working from an external WD harddrive via USB C. I already tried using another harddrive, but it didn't help. I located the cache on my internal drive. 

 

Remarkable is, that playback heavily lags only in the program monitor. In the source monitor, everything plays back fine. I even rendered some parts, but it still lagged during playback.

 

Thanks for help! 

TOPICS
Crash, Error or problem, Freeze or hang, Hardware or GPU, Performance

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