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J
JWDenson
Known Participant
November 5, 2019
Question

Proxies for Faster Editing?

  • November 5, 2019
  • 2 replies
  • 211 views

Hi All,

 

I'm pretty new to Premiere Pro so appreciate the help. I'm trying to edit some cooking videos in Premiere Pro and I always have trouble with the playback being choppy. The original videos are AVCHD (.MTS) format. I thought perhaps converting them to MP4 before working with them would help the issue but it hasn't. I then heard about using proxies but it seems like that does pretty much the same thing except it keeps the original files to preserve quality?

Can anyone give me recommendations for smooth playback while editing while retaining quality? Also, is it possible to use an already existing file as a proxy if you've already put through the AVCHD files through Media Encoder or do I need to start over? Thank you for any help.

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2 replies

M
Michael Grenadier
Legend
November 5, 2019

I work with avchd files all the time and I generally make prores422proxy files with the same framerate and pixel dimensions as the .mts files and the seem to work great on my system (which is not the latest or greatest).   I'd do a test before redoing all your clips...

    Warren Heaton
    Community Expert
    Warren HeatonCommunity Expert
    Community Expert
    November 5, 2019

    Actually, rather than creating proxies, batch transcode your AVCHD footage to a mezannine format that's good for editing like Apple ProRes422 or GoPro Cineform.  The files will take up much more drive space, but editing should flow really well afterward.

     

    It's sounds like you've already done a pass from MTS to H264 MP4.  Do it again, but to QuickTime Apple ProRes422.  If it's for social media and the web, use ProRes422 (LT).  If it's for broadcast or cable, use ProRes422 (HQ).  If you're footage is 1080p24 or 1080i60, it will be about 1GB per minute (a little less for LT, a little more for HQ).

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