Latest post Fri, May 17 2019 6:32 PM by jef. 1 replies.
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  • Fri, May 17 2019 1:24 PM

    • derDoyle
    • Not Ranked
    • Joined on Tue, Aug 18 2015
    • Berlin, Germany
    • Posts 91
    • Points 1,085

    Same As Source Export Speed Confusion

    Hello,

    I noticed that the export speed of my almost daily Same As Source Exports highly increased.

    Normally when I export Same As Source, a 90 minute filme needs about 15min.

    Everything is DNxHD36, checked via Bin Display (Reference Clips and Sources).

    I can't really say from which point on I noticed this.

    We had MC8.7.2 in our edit suites, export times are from there. Now we have MC2018.9 and now it starts to get obvious.

    Two days ago I had a 105min roughcut, export needed 2h!

    Again, all DNxHD36, enough space on the drives, no fancy timeline.

     

    Yesterday we did a test, we had a 90min film, one main video track, some snippets on V2, 18 audio tracks, mostly with dissolves.

    Exporting Same As Source: 1h20min

    We know, that in most cases Audio is the big deal. So we divided the sequence.

    Exporting Same As Source Video only: 3:45min

    Exporting Same As Source Audio only: 4:30min

    Then we made an Audio Mixdwown at first: 4min - and the a Same As Source with video and the audio mixdown: 6min

     

    And then again everything together, video and original audio: Export starts with 24min and goes up to over an hour.

    Why!?

     

    So I am much faster if I either make an audio mixdown before or I export audio and video seperatly and put it together in QT-Player or something else.

    Where has Avid a problem?

    Ideas on this?

     

    Doyle

    Clients: MacPro6.1 (2013 "Trashcan"), 3,5GHz 6-Core, 16GB (1866) RAM, AMD FirePro D500, 256GB SSD, macOS 10.12.2, Avid MediaComposer 8.7.2, NitrisDX... [view my complete system specs]

    Passionate In-House Avid Support

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  • Fri, May 17 2019 6:32 PM In reply to

    • jef
    • Top 50 Contributor
    • Joined on Sun, Feb 26 2006
    • Maryland
    • Posts 3,430
    • Points 41,355

    Re: Same As Source Export Speed Confusion

    Have you considered trying the process of just doing an AMA File export to a .mxf Op1a file?  This been cited as the fastest way to make an export from Avid these days.  It renders as it goes as well.

    Problem might be that it does not give you the codec type you want.  Worth an experiment.

    Jef

    Avid DS 11.0.2 R.I.P | MC "Well, it depends ..." mostly 8.10.0 but playing w 2018.11| OS 10.11.x - various MacPro Towers - home system MacPro... [view my complete system specs]

    _____________________________________________

    Jef Huey

    Senior Editor

    Old Stuff  http://vimeo.com/album/3037796

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