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Activity Forums Apple Final Cut Pro Legacy Video Capture at 32 bit Audio needs rendering in FCP

  • Video Capture at 32 bit Audio needs rendering in FCP

    Posted by Brett Ramsey on October 26, 2008 at 3:08 pm

    I capture footage from off air via a TV out monitor using Vidi. All the footage I capture needs audio render when I import as it’s all in 32 bit and FCP needs 16.
    I;ve tried QT Pro settings in Audio Midi, Settings in Vidi and myVCR but everything needs rendering before I can even watch it in the viewer.
    This problem is costing us a good 20-35 hours a week as we record 100s of hours of FTA TV for media monitoring purposes.
    Can any body help, What do I need to do to capture and import at 16 bit?

    Rafael Amador replied 15 years, 2 months ago 7 Members · 11 Replies
  • 11 Replies
  • Rafael Amador

    October 26, 2008 at 3:25 pm

    Are you sure you have captured the audio at 32 bits or is at 32 Khz?
    rafael

    http://www.nagavideo.com

  • Jeremy Garchow

    October 26, 2008 at 6:00 pm

    How are you capturing this?

  • Peter Gruden

    October 26, 2008 at 6:54 pm

    Whether audio is captured at 32 bit or 32 kHz, FCP needs to render to 48kHz/16bit, the standard broadcast format. FCP is processing audio in 32bit (floating point), but does not import 32 bit audio files.

    Try to find an application that can capture in FCP supported format.

  • David Roth weiss

    October 26, 2008 at 7:03 pm

    [Peter Gruden] “Whether audio is captured at 32 bit or 32 kHz, FCP needs to render to 48kHz/16bit, the standard broadcast format.”

    Whoa there!!! There’s a big difference bewteen 32-bit audio and 32khz audio.

    If the material being captured is audio recorded at 32khz it’s quite simple to create a new capture preset and Easy Setup with 32khz audio. Just copy the existing Easy Setup and change the capture preset to 32khz audio.

    David Roth Weiss
    Director/Editor
    David Weiss Productions, Inc.
    Los Angeles

    POST-PRODUCTION WITHOUT THE USUAL INSANITY ™

    A forum host of Creative COW’s Apple Final Cut Pro, Business & Marketing, and Indie Film & Documentary forums.

  • Brett Ramsey

    October 26, 2008 at 11:15 pm

    I am capyuring the video from the Video out from my HD TV tuner via my Panasonic camera AV in. From there it goes via Firewire into my Mac using (at the moment) Vidi, I have also used MyVCR, Bearshand and just plain Quicktime Pro. The settings on all is 48 Khz Stereo.
    The resultant file when imported into FCP shows up as 48 Khz 32 bit no matter what software I’m using.
    Rending in the timeline wouldn’t be too bad except because of the audio the video wont play properly in the viewer to set my edit points. I have to put the whole file in the timeline, render it to convert to 16 bit then export it, then reimport into my bin. With a 2-3 hour file this of course takes ages and when your doing 8-10 times a week it’s taking forever and costing us lots of money.

  • Jeremy Garchow

    October 27, 2008 at 12:42 am

    [Brett Ramsey] “I am capyuring the video from the Video out from my HD TV tuner via my Panasonic camera AV in.”

    At what resolution?

  • Brett Ramsey

    October 28, 2008 at 9:56 pm

    Resolution is just plain old 720 x 576 PAL. Audio setting on capture is set for 48KHZ.

  • Jeremy Garchow

    October 28, 2008 at 10:15 pm

    [Brett Ramsey] “Audio setting on capture is set for 48KHZ.”

    There there has to be some sort of bug in the capturing software. Obviously, it’s not honoring the QT settings you have set.

    Jeremy

  • Søren Rye

    March 10, 2010 at 1:52 pm

    I know this is an old thread, but..
    I have the same problem;
    I have some DV-material imported by iMovie. The audio is 48khz 32-bit floating bit. Every time I drag a new clip to the timeline in FCP, the audio needs to be rendered (only the audio). What is the solution for this? Converting all my material to 16-bit? I don’t wanna convert the video, since I will lose quality (and in these days, DV-footage looks so bad…) Maybe i could just convert the audio.

    Any help is much appreciated.

    Regards,
    Søren

  • Albert Astorga

    March 5, 2011 at 10:00 am

    I added you as a friend because I wanted to know if you have figured out the 32bit audio problem if you have disregard this message.if you have not I have a solution. post here and I will let you know how to.

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