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Activity Forums Apple Final Cut Pro Legacy Audio Volume burst in fcp7

  • Audio Volume burst in fcp7

    Posted by Steve Grimes on November 19, 2010 at 5:48 pm

    I was editing the other night with prores lt footage converted from a 7D and some converted sound files in aif 48 kHz 16bit when my computer made some insanely loud noises for a second or two. It was at night and my system sound was lowered to around 20%, but this was incredibly loud, as if it ignored the system sound or bypassed it somehow. It has made me somewhat phobic of editing at the moment. Any thoughts on what could have caused this as I need this to not happen again?

    Matt Orfalea replied 15 years, 3 months ago 2 Members · 4 Replies
  • 4 Replies
  • Steve Grimes

    November 19, 2010 at 8:29 pm

    I can do this, but I would be surprised to learn that I have to pre-render previews for my audio on a 6 core 3.33 Ghz mac pro to avoid hearing sudden noises so loud they could knock me out of my chair.

  • Steve Grimes

    December 1, 2010 at 4:22 pm

    I wasn’t able to find a “Mixdown” command under the sequence settings, but I think you may simply mean render audio?

    Also, I am editing from a 6 core 2010 mac pro and I was wondering about a few settings regarding the audio. For the sequence settings should I set audio config to “stereo downmix”, “channel grouped”, or “discrete channels”. Also, is it best to set bitrate depth to 16 or 24 bit? Also, What should I allow for real-time audio mixing on my mac pro? The default seems rather low considering it is only audio. Is it safe to go up to 20 or even 30 tracks? And lastly, what should audio playback quality be set to?

    Thanks for help with these questions. I have not had to do an edit for the past few weeks as I am currently in the production phase of my current project, but I literally have a near anxiety of hitting the spacebar in final cut at the moment as that audio distortion nearly gave me a heart attack last time (very powerful speakers attached to the mac pro). Thanks again for any help.

  • Steve Grimes

    December 1, 2010 at 9:28 pm

    Yea. I spotted it shortly after posting. I was originally looking under render all and not render only. What is the specific differences between rendering audio under a render all vs a mixdown?

  • Matt Orfalea

    February 17, 2011 at 10:21 am

    Have you continued to experience this? Did you find a fix?

    The “Volume bursts” I’ve experienced have nearly blown out my ears. This is a serious glitch and dangerous risk. How valuable is an editor who cannot hear?

    Please share if anyone has a solution! I need to wear headphones while editing in crowded setting and this has been a huge problem for me. Render manager and re-rendering has not helped. It continues to come back.

    Thanks,
    Matt Orf

    https://www.youtube.com/orf

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