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Proxies are SLOWER in Playback!?

Community Beginner ,
Oct 07, 2022 Oct 07, 2022

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I have made proxies of all my video files for a film I'm editing, but during playback it is slow and stops playing after around 5-10s even whilst Proxies are toggled on. When I turn proxies off..... the playback is smoother!!!? 

 

I have checked and the proxies are definitely smaller files than the originals and they are in a folder on the same harddrive as the originals. 

 

Anyone got any idea why this is?

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Editing , Performance

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Community Expert ,
Oct 07, 2022 Oct 07, 2022

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Proxy settings used?

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Community Beginner ,
Oct 07, 2022 Oct 07, 2022

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 Here is the proxy details:

 

Screenshot 2022-10-07 at 11.10.54.png

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Adobe Employee ,
Oct 07, 2022 Oct 07, 2022

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Tell us details about your computer, Robbie. 

 

Thanks,
Kevin

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Community Beginner ,
Oct 08, 2022 Oct 08, 2022

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Hey Kevin, 

 

Macbook 2017 

2.8 GHz Quad-Core Intel Core i7

16 GB Memory

 

Using a portable HD for the video files.

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Community Expert ,
Oct 08, 2022 Oct 08, 2022

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Can you try moving the files to your local drive and relink and see if performance increases? Rarely do external drives perform well for video files unless you're using a Thunderbolt 3 drive or something made specifically for that sort of workflow.

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Community Expert ,
Oct 08, 2022 Oct 08, 2022

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gotta say I always use external drives and if there's any issue with smooth playback, I use proxies.    And in most cases I'm using usb3 drives...    Agree it's a useful troubleshooting step to move the media to an internal drive but not practical particularly with a laptop with limited space on the internal drive...

 

To the OP, do you mean that the performance is sluggish or is the video playing at a slower speed?  

 

By any chance are your original media shot on a smartphone or from a screen recording?  If so, the issue may be that they have a variable frame rate, which can cause intermittent and unpredictable problems.  Here's how to diagnose and solve the problem.  

 


use mediainfo to determine whether your source is variable or constant frame rate
https://mediaarea.net/en/MediaInfo/Download
if it's variable use handbrake to convert to constant frame rate setting the quality slider in the video panel to maximum
https://handbrake.fr
and here's a tutorial on how to use handbrake
https://www.youtube.com/watch?time_continue=34&v=xlvxgVREX-Y

 

And this could be a disk performance problem.  Try running disk utility: disk first aid on your media drive...  If you have DiskWarrior run that.  

 

And make sure you have at least 20% free space on your startup drive and 10% free space on all other drives.  

 

 

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