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Activity Forums Apple Final Cut Pro Legacy 32 khz capture/import issue

  • 32 khz capture/import issue

    Posted by Benjamin Rosen on August 1, 2007 at 5:20 am

    In advance forgive the convoluted-sounding work flow, but this is how it needs to be:

    Capturing 32 khz qts into a fcp hd system, where the clips show up fine, vid & both aud channels intact. I then take these qt files and import them into my other system, which is fcp 3 (no laughing!), where only 1 mono audio channel is recognized. To clarify: same qt file, on fcp hd there are 2 channels, on fcp3 only 1 mono. I

    Michael Gissing replied 18 years, 9 months ago 2 Members · 3 Replies
  • 3 Replies
  • Michael Gissing

    August 1, 2007 at 5:24 am

    What version of Quicktime are you using to capture with? One of the major changes with QT7 is the audio channel mapping which FCP 3, running an older version of QT will have trouble with.

    It may have nothing to do with the sample rate.

  • Benjamin Rosen

    August 1, 2007 at 3:42 pm

    my fcp system does indeed run an older version of qt, but in this case wouldn’t it have problems w all qts? This problem only occurs when I tweak the capture preset from 48 to 32 khz…otherwise my qts are read fine by the older system

  • Michael Gissing

    August 2, 2007 at 2:17 am

    32khz on DV means four channels. It is likely that the old version of QT can’t read the audio correctly on a four channel QT file. In the bad old days QT was stereo only. I still suspect it is a QT incompatibility problem. Maybe if you capture the 32khz tapes selecting only stereo audio (ie turn off the other tracks.)

    A quick test file may see if this is so.

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