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defaultafgbix058vyf
Participant
March 24, 2021
Question

Method for adding audio to an MXF video without changing/compressing video at all

  • March 24, 2021
  • 1 reply
  • 816 views

Hi all, I'm looking for a way to add audio to an MXF video file without compromising the quality of the video file at all. I've been syncing the video and audio in a timeline in Premiere Pro v 14.6. My hope was that a "MXF OP1a" format with Preset "Match Source (ReWrap)" would work, but I am getting an error about that preset not functioning. Any ideas or work arounds? Thanks! Ben

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1 reply

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basil1891
Inspiring
March 24, 2021

What is the codec inside of MXF video file? DNxHD?

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    defaultafgbix058vyfAuthor
    Participant
    March 24, 2021

    I'm not sure, how might I found out? Here are the file details that I can pull up under properties in Premiere: 

     

    MXF File details:
    Wrapper type: MXF OP1a (type: SingleItem SinglePackage MultiTrack Stream Internal)
    File generated by: Sony, Mem (2.00)
    AVC Long GOP High 4:2:2 Profile 10-bit Unconstrained Coding
    Bitstream Format: Sony
    Class 50

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    basil1891
    Inspiring
    March 24, 2021

    Afaik, Premiere Pro does not support smart rendering for any AVC Long GOP codecs:

    https://larryjordan.com/articles/premiere-pro-export-faster-with-smart-render/

    But it's doable via 3rd party tools. Assuming separate audio file is already synchronized, you just remux both into the single file. Look for  Shutter Encoder or ffmpeg

     

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