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Activity Forums Adobe Premiere Pro reversed stereo channels

  • reversed stereo channels

    Posted by Ronnie Zeemering on May 10, 2008 at 9:30 am

    Hi all,

    i work on a mac 8core. When i import an AIF audio. The left channel becomes the right channel and vice versa.
    The original audio is correct (our soundguy has checked it) and also the original file plays allright on my laptop.
    When i pan in the audio tab left and right are ok. So my wiring to the speakers is ok 😉
    I had the same problem on our other mac editting machine. but then i thought the wiring was wrong, but after all this might not be the case…
    Does any of you have the same problem, or does any of you know how to fix this?
    for now i reversed the channels but it would be nice that i don’t have to do this for every project i have…
    thnx in advance!

    Jon Barrie replied 18 years ago 2 Members · 7 Replies
  • 7 Replies
  • Jon Barrie

    May 13, 2008 at 12:44 pm

    Does this problem repeat if the file is converted to WAV in another program then imported into PProCS3.
    I work on both Platforms with PProCS3 and haven’t run into this problem. I do however work between both alot and have most audio files in WAV format so I thought this might have something to do with it?
    Let me know…
    – Jon 😉

    How many editors does it take to change a light bulb?
    http://www.jonbarrie.net

  • Ronnie Zeemering

    May 13, 2008 at 3:01 pm

    thanks for replying!
    i imported the AIF into soundbooth. But there also the stereo is allready inverted…?
    so it seems something else. I also have a Fastrack M-audio external usb soundcard. Maybe that could cause the problems.
    But on our other editmachine there is no external soundcard and there we have the same problem…

    need to do some more investigations…
    so if anyone has a tip for where to look 😉

  • Jon Barrie

    May 14, 2008 at 1:16 am

    I’d say that the audio file recorded incorrectly.
    Despite what your audio guy tells you if this file opens and play wrong in QT Player too the audio is recorded with the channels in the wrong oway.
    – Jon 😉

    How many editors does it take to change a light bulb?
    http://www.jonbarrie.net

  • Ronnie Zeemering

    May 14, 2008 at 6:52 am

    i am 100 procent sure the audio is allright!
    it plays with the channels o.k. on my laptop and also in itunes.

    As soon as i start up Soundbooth or premiere the channels are reversed…

  • Jon Barrie

    May 14, 2008 at 8:33 am

    Have you tried to convert the file in iTunes and then import that into Soundbooth or Premiere?
    This is the first I’ve ever heard of this situation. So you can understand my re-visiting the possibility it’s not recorded properly. Getting Left and Right channels wrong is not a complicated piece of code, so the program can’t be making this error without something else happening.
    – jon 😉

    How many editors does it take to change a light bulb?
    http://www.jonbarrie.net

  • Ronnie Zeemering

    May 14, 2008 at 10:26 am

    i understand your concernes. But this audioguy has had no other complains then mine. And he hasn’t changed his setup for at least a year.

    I tried to make an wav out of itunes. but that went wrong somehow. So i asked my soundguy to make several tracks for me with even better recognision of left/right.

    I tried some other things though:
    the original file plays allright in itunes on my laptop. but i soon as i import it in Premiere (on my laptop) the stereo is reversed.
    The same goes out to my own editcomputer.

    Now for our other editcomputer:
    4core with not yet leopard on it. The original file is played allright in itunes AND also allright in soundbooth and premiere…

    so, the biggest difference on these machines is leopard… any thoughts about that one?
    in the mean time i awaite the soundfiles from my audio guy.

    thnx for looking into this!

  • Jon Barrie

    May 15, 2008 at 3:33 am

    I just ran some test through the suite with FCP and PProCS3. Both seem to be import audio exactly the same.
    The only thing I can think of is that the audio output mapping is not right? They are found in the Premiere Pro>preferences.
    It is odd that your other system is doing it correctly?… Besides a reinstall…. could be the software miscommunicating with your hardware?
    – Jon 🙂

    How many editors does it take to change a light bulb?
    http://www.jonbarrie.net

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