problem with stereo when capturing (via 1394) miniDV video

Discussion in 'Professional Video Production' started by Alex T., Nov 23, 2004.

  1. Alex T.

    Alex T. Guest

    If I capture video from my miniDV camera, which was not recorded using
    this camera, but a better one that actually has stereo mics there is a
    problem with audio - two stereo tracks seem to be not in phase. When I
    playback captured video, sound is corrupted, however when I move audio
    balanace to just one speaker (does not matter which one) the audio is
    perfect.

    Any ideas what can I do ? Thanks.

    My system :
    Sony dcr-trv10e camcorder
    Adobe Premiere 7
     
    Alex T., Nov 23, 2004
    #1
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  2. Invert one channel. Seems too obvious.
    Did you leave out some other key clue?
     
    Richard Crowley, Nov 23, 2004
    #2
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  3. Alex T.

    Alex T. Guest

    Hmm... any tips on how exactly I can do this ?
     
    Alex T., Nov 27, 2004
    #3
  4. "Alex T." wrote ...
    I would export the audio track as a WAV file and use Cool
    Edit (or Adobe Audition) to invert one channel (one of the
    built-in functions). But we don't know what software (or even
    computer) you are using.

    OTOH, is there something about the "stereo" that is worth
    preserving? You could just use one channel and get on with
    the production?
     
    Richard Crowley, Nov 27, 2004
    #4
  5. Audio processing tools such as Soundforge can invert the waveform of a
    channel in an AVI without first extracting the audio to do it.

    Cheers - Neil
     
    Neil Smith [MVP Digital Media], Nov 27, 2004
    #5
  6. Alex T.

    Alex T. Guest

    I will try Soundforge, thanks.
     
    Alex T., Nov 29, 2004
    #6
  7. Alex T.

    Alex T. Guest

    I did not think that my system spec is of any significance, but since
    you
    asked : P4, WinXP, MS movie maker for DV transfer, VirtualDub for
    processing.

    I thought of deleting one audio channel and to my greatest surprise it
    did not help ! I converted stereo to mono using one of the VirtualDub
    filters and the same effect was still there !!! Yet (even in mono avi
    !!!) when I disabled one of the channels (using sound balance) the
    sound was perfect!

    This problem just keeps driving me crazy...
     
    Alex T., Nov 29, 2004
    #7
  8. If you can pan it to one side and it sounds ok, but not when
    you select one channel and pan it to the center, maybe
    something is wrong with your monitor speakers? Can you
    make up a test tape/DVD and play it back somewhere
    else? Or post a short clip online where we can hear it?
     
    Richard Crowley, Nov 29, 2004
    #8
  9. Alex T.

    Alex T. Guest

    This problem just keeps driving me crazy...
    Well, since all other video clips, DVD movies, etc... play OK on my
    system I would suspect that it's the clip and not the system.
    Actually, the problem is even more weird than I described - this video
    sounds OK in it's original miniDV format (played on my miniDV camera
    and TV), but if I transfer it to and from PC via 1394 then the above
    soundproblem appears ! It must be some extremely stupid problem, but I
    can't see what it can be.
     
    Alex T., Nov 30, 2004
    #9
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