Losing too much quality capturing VHS

Discussion in 'Amateur Video Production' started by Ruben, Nov 10, 2004.

  1. Ruben

    Ruben Guest

    I am wanting to capture VHS home movies with my ATI Rage Fury Pro card. I
    am able to capture using VirtualDub, but I am having a problem with
    picture quality. When I preview the VHS source in VirtualDub, it looks
    decent, but after I have captured the source to AVI, the quality of the
    AVI file looks noticably different - a decline in clarity and fuzziness
    around the edges of objects. I have read thru some of the capture guides
    listed here and have tried different resolutions (352*240, 352*480, 720*
    480) but the AVI picture quality remains the same. It may not help that
    the source video is somewhat jumpy - it is 8mm film from the 1940s
    transfered to VHS, but I had thought that I could get quality that is at
    least close to the original, and that is not what I am seeing. FWIW, I am
    capturing to AVI so I can edit in Premiere, then I will encode to MPEG2
    and author a DVD.

    Any tips/guides that you can offer would be appreciated!

    System:
    WinXP
    P4 3.0GHz w/1GB DDR RAM
    separate drive for video
     
    Ruben, Nov 10, 2004
    #1
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  2. Perhaps you runing it through the deinterlace filter?
     
    Chris Phillipo, Nov 10, 2004
    #2
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  3. Ruben

    FLY135 Guest

    What video compressor?
     
    FLY135, Nov 10, 2004
    #3
  4. Ruben

    Ruben Guest

    I've tried both Huffyuv v2.1.1 and PICVideo MJPEG - same results AFAICT.
     
    Ruben, Nov 10, 2004
    #4
  5. Ruben

    Ruben Guest

    If you mean Video->Filters in VirtualDub, there are none. Other than that,
    how would I tell if there was a filter running?
     
    Ruben, Nov 10, 2004
    #5
  6. Ruben

    FLY135 Guest

    Are you viewing the AVI in the same size window as the preview? If you are
    looking at the AVI in a scaled up window then it's going to look fuzzier.
    You should go ahead and make the DVD. It should look better when you view
    it on a TV.
     
    FLY135, Nov 10, 2004
    #6
  7. I'm not familiar with the ATI card settings but there might be a
    deinterlace option soomewhere within the advanced settings page of the
    drivers.
     
    Chris Phillipo, Nov 10, 2004
    #7
  8. Ruben

    Ruben Guest

    That's the problem... it doesn't look good on DVD. Noticing the
    difference between the original source video and the DVD is what has led
    me to this point, trying to find out why the captured AVI noticably
    degradated from the source VHS. Perhaps I'm being a perfectionist, but I
    just didn't expect such a difference between the source and the captured
    AVI, and I wanted to make sure that I wasn't leaving out an important
    step or adjustment.
     
    Ruben, Nov 12, 2004
    #8
  9. Ruben

    Ruben Guest

    If there is such a setting, I couldn't find it. The control panel for my
    ATI card has minimal settings, just color and camera control settings.
     
    Ruben, Nov 12, 2004
    #9
  10. Ruben

    FLY135 Guest

    The fact that it looks good in the preview window is puzzling. The preview
    window is just the YUV data that is encoded, so apparently the card is
    capturing the data just fine. The might be a stretch but does the DVD look
    bad when there is horizontal motion or panning of the camera. Jerkiness in
    that case would indicate field order inversion.
     
    FLY135, Nov 12, 2004
    #10
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