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Slow Performance with subtitles Premiere 2021

New Here ,
Jul 30, 2021 Jul 30, 2021

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Is anyone having an issues editing with the subtitles layer on?

Every time I try to make an edit or playback my edit. I get the mac beach ball. 

Is there another way to improve performance?

 

I am working with mac os Mojave Macbook Pro 2019

2.4 GHz Intel Core I9 Radeon Pro 560X 4GB 32GB RAM

TOPICS
Editing, Effects and Titles, Freeze or hang, Hardware or GPU, Performance

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Adobe Employee ,
Jul 30, 2021 Jul 30, 2021

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Hi Wallace5C73,

 

We're sorry to hear about this. Have you tried resetting app preferences to isolate any preference corruption issue that might be causing the app to misbehave? Also, are you experiencing this issue specifically with subtitles or is it happening with other caption tracks as well?

 

 

Thanks,

Sumeet

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New Here ,
Jul 31, 2021 Jul 31, 2021

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HI Sumeet!

 

I am on a project that has a lot subtitles (30 mins TRT) and we need the subtiles to stay with the shots as we make edits (we are non native speakers of the foreign language). The behavior that I find daunting is the contant beach balling as I use the zoom key or use the slider in the sequence.

 

I deleted all of the media cache and I seen inprovements on smaller sequnces with about 100 subtitles. 

But nothing has changed with my current time line that has roughly 500 captions 

 

I hope this makes sense.

 

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Adobe Community Professional ,
Jul 31, 2021 Jul 31, 2021

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The behavior that I find daunting is the contant beach balling as I use the zoom key or use the slider in the sequence.

 

I get it. It is a major frustration.

 

Do you see a performance improvement if you are zoomed in? 

 

> I deleted all of the media cache and I seen inprovements on smaller sequnces with about 100 subtitles. 

But nothing has changed with my current time line that has roughly 500 captions.

 

Thank you for this comment. I assuem you are saing that 1) based on deleting media cache, this improved performance on sequences with about 100 captions. And 2) that a sequence with 500 captions still has slow performance.

 

For the 500 caption sequence, does zooming in have any good effect?

 

Stan

 

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New Here ,
Aug 03, 2021 Aug 03, 2021

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Hi Stan,

 

 

That's correct.

The lag happens on the larger caption sequence.   Premiere has to constantly think about performing the next command when I zoom in and out or click on another tab. I noticed that I can't have two subtitled sequences open at the same time. Using the zoom tool on the smaller caption sequence is not an issue for me at this time.

I am able to operate the application with little to no lag.

 

I'm thinking about investing in an external GPU.

 

Thoughts?

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Adobe Community Professional ,
Aug 03, 2021 Aug 03, 2021

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We don't know why it is slow, so I don't know if the GPU has anything to do with it.

 

I can't have two subtitled sequences open at the same time.

With only one at a time active? Or editing using, is it called "pancake" editing?

 

Hard for me to really test the zoom issues as I don't have projects that are this big.

 

Stan

 

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New Here ,
Aug 06, 2021 Aug 06, 2021

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Thank you for so much for your input. I am using the pancake method (i never heard of that term until today). I have settled on deleting the cache before I start working . I also exported a ref file with burn in subtitles and timecode to work with from. I probably won't use this workflow with larger projects with multiple people. I am the only one managing the premiere project that this time.

 

I've been monitoring my GPU history lately. I noticed that the levels are very high when I play down my timeline with the subtitles enabled.  You can see when start  I playing the levels are high (the thicker chunk of lines) and when I stopped playing the levels are low. No other applications were open during playback. 

I also read that MacOS Catalina is recommended for PR2021. I may have to upgrade my MacOS for better results.  Just thinking out loud here. I will probably have to  upgrade anyway because the egpu and graphic cards I am considering only works with MacOS Catalina.

 

Screen Shot 2021-08-06 at 3.23.59 PM.png

 

 

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Adobe Community Professional ,
Aug 06, 2021 Aug 06, 2021

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Wallace, thanks for that detailed feedback. I'm not sure what to make of it.

 

What do you see for CPU levels on playback?

 

Stan

 

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New Here ,
Aug 06, 2021 Aug 06, 2021

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Here is when I stopped then play down my sequence (this time it is the sequence with over 500 captions).

 

Screen Shot 2021-08-06 at 10.06.30 PM.png

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Adobe Community Professional ,
Aug 07, 2021 Aug 07, 2021

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I'm PC, Win 10, so no direct comparison. But let's see what my GPU and CPU usage looks like.

 

I created a simple sequence, using an SD video to minimize the actual video demand, made it 17 minutes long, and added 225 captions (via transcription and copy/paste). CUDA is on and timeline indicator is yellow. Doing a  bit of caption editing, I am not seeing any slow action.

 

Older, less capable PC. With the caption track visible, the CPU is 30-35% and GPU at 5%. With the caption track disabled, CPU is 20-30% and GPU 2%.

 

I don't know what this means....

 

Stan

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Adobe Employee ,
Jul 30, 2021 Jul 30, 2021

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Hi,

Try zooming in a little on the Timeline. I also advise you to delete media cache. File > Close All Projects. Then choose Preferences > Media, and delete all Media Cache. Quit Premiere Pro. Then, press the Option key and restart Premiere Pro to delete Preferences. I found my projects working better after doing the above.

 

Thanks,
Kevin

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New Here ,
Jul 31, 2021 Jul 31, 2021

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What would happen of I reset the preferences ? Would I lose my saved workspaces or functions  that I've added to my keyboard?

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Adobe Community Professional ,
Jul 31, 2021 Jul 31, 2021

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What would happen of I reset the preferences ? Would I lose my saved workspaces or functions  that I've added to my keyboard?

 

I think the answer is yes. But in my opinion, you should always have these backed up.

 

Stan

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Adobe Community Professional ,
Jul 30, 2021 Jul 30, 2021

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I agree with the suggestions by Sumeet and Kevin.

 

See the posts in this thread for more informaiton on the workarounds of zooming and temporarily disabling the captions track.  Also, upvote the bug report linked there:

https://community.adobe.com/t5/premiere-pro/timeline-is-lagging-working-with-captions/td-p/12212802

 

Stan

 

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