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Activity Forums Apple Final Cut Pro Audio drops off when exporting to compressor.

  • Audio drops off when exporting to compressor.

    Posted by Chris Frantz on March 19, 2012 at 9:19 pm

    When exporting a project I’m working on (to Compressor 4), the audio fades off into nothingness at a seemingly random point in the timeline. I have included a screenshot of the timeline with my cursor over the exact(ish) spot the audio starts to fade away.

    Note: During playback in FCPX, the audio plays fine.

    The audio cuts off for the entire project after that btw, not just the compound clip audio that is playing at that point. Also worth noting, that even while previewing the file in compressor without any settings attached, it has the audio drop off.

    Any help would be awesome, this video was supposed to be live tonight, but it’s looking like that may not happen if I want to finish it in FCPX.

    Richard Herd replied 14 years, 1 month ago 3 Members · 6 Replies
  • 6 Replies
  • Oliver Peters

    March 19, 2012 at 9:50 pm

    It’s an intermittent bug that various folks have mentioned in other posts. No known reason or definite fix that I’ve heard of. Try copy & pasting your clips to a new project. Does the same thing happen with a direct export of a self-contained file from that project?

    – Oliver

    Oliver Peters Post Production Services, LLC
    Orlando, FL
    http://www.oliverpeters.com

  • Richard Herd

    March 19, 2012 at 9:58 pm

    Check the compound clip that there isn’t a fade in there. We can’t see what the audio is doing in the compound clip. We can see FCP see there’s audio, we just can’t see what FCP thinks it should be doing with the audio in the CC.

    Have you made sure all the audio are assigned their proper roles?

  • Chris Frantz

    March 19, 2012 at 10:03 pm

    Yes, the same thing happens when I try to export directly from FCPX using compressor settings. I am tempted to try the export media function from the share menu, but I need to have full control over the export settings (hence compressor). I have now tried disabling the offending interview audio (in the compound clip after expanding audio and pressing “V” in the main timeline) and rendering using compressor settings (an option in the share menu) directly within FCPX.

    It appears that copying the files over to a new project did the trick. Just “New Project”, default settings, “Paste”, and send to Compressor. Playback w/ audio is now fine in the compressor preview pane. Rendering as we speak, I’ll update on the outcome, but that appears to have solved the issue.

  • Chris Frantz

    March 19, 2012 at 10:05 pm

    That’s a good point, thank you for your response. There was no transition in the compound clip at that specific point, although there was one a bit earlier. The audio is synced (PluralEyes) faked stereo (doubled up on the mono) audio that I have used in a previous version of this project with a successful render. I actually copy + pasted that compound clip from one project to the other because I had sweetened the audio just right, and didn’t want to lose my settings. Is there a paste attributes function in FCPX? I couldn’t find one…

  • Chris Frantz

    March 19, 2012 at 10:42 pm

    The rendered project is fine, thanks for your help.

    The fix was the copying all files into a new timeline/project.

    The initial workflow was import, plural eyes, edit, export xml to resolve, grade, export prores hq, import xml 1.0, title, epxort to compressor, render.

    Looks like I might have to add duplicate project to that workflow till this bug gets sorted :/

  • Richard Herd

    March 20, 2012 at 5:43 pm

    Duplicate project, but also consider storing projects/events on separate .dmg. Then you can eject one of the .dmg and it’s totally safe…well, in theory.

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