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Problems Burning DVDs, Images Look Wavy

Discussion in 'Video to DVD' started by AlexJel, Jun 27, 2010.

  1. AlexJel

    AlexJel Member

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    Here are to files, each from a different capture. If you want to see what the waves look like on my TV, just de-interlace with linear in VLC, they should look correct if played back normally. Pay special attention to the computer screens if you de-interlace the second clip.

    Opened the files up directly from the DVD, no re-encoding other than when I saved the clip in Mpg2Cut2.

    http://www.mediafire.com/?bzwxqjwitih
    http://www.mediafire.com/?jnwfmnziyj0

    It took almost exactly a half hour to do the process in DVD flick. I did have menus too.
     
  2. davexnet

    davexnet Active member

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    half an hour - presumably DVD Flick didn't re-encode them - just authored ?
    You could check the DVD Flick log to verify. I took a quick look at your files,
    and during normal playback they look OK.
    I'll install VLC to see if I can replicate your issue.
     
  3. AlexJel

    AlexJel Member

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    Just checked the log and says "copying as requested."
     
  4. davexnet

    davexnet Active member

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    OK. I see the problem in VLC. It's not all the time it comes and goes.
    Now that I could see where it was, I opened it in Virtualdub with the viewfields
    plugin and you can plainly see the problem - even on your original file
    720X480.mpg

    If that file was the original capture, then it seems as if something in your source
    chain is bad. The tapes, vcr, capture card or software. Are these tapes PAL or
    NTSC? Is it possible a bad tape conversion was done?

    Have you tried other video tapes to see if the problem still exists? What about a
    2nd vcr ?

    [​IMG]

    Uploaded with ImageShack.us
     
    Last edited: Jul 2, 2010
  5. AlexJel

    AlexJel Member

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    The tapes are factory made NTSC-J, not copies. Though it can't be the tapes because I can convert them with a DVD Recorder-VCR combo. (You're probably asking me why I'm going through all this trouble then. It's because it recorded it in the wrong aspect ratio, the blacks are too deep, and some of the video is unripable due to the DVDs being formatted as over 2 hours.)

    I have tested a second VCR and it does the same thing.

    I have also ripped other tapes on a different computer with the card and it worked fine. Can't do that now though because the program doesn't run on Vista (64 bit?).

    I would assume this means it's the program. Can you recommend any other programs I can use? I've already tried/used the trial period for...

    AVS Video Recorder
    Debut Video Capture Software
    STOIK Capturer
    PVR Plus (This is what won't work on Vista and what came with the card.)
    WinAVI Video Capture (This is what's giving me the wavy video.)

    I have tried Virtual Dub to some extent, and while the video seems to work, I haven't really looked into it because the audio is always recorded extremely slow and when I play it back it lags by seconds. This might be because of the codec though. Any idea how much space an uncompressed 45 minute stereo audio track would be?

    Thanks!


    Oh, also, I assume the reason the video on posted to YouTube at the beginning of this thread is that way because I didn't select the interlaced button on DVD Flick?
     
    Last edited: Jul 2, 2010
  6. davexnet

    davexnet Active member

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    It seems as if DVD Flick is not to blame. Most encoders for NTSC,
    you usually get the choice progressive, interlaced or 3:2 pulldown at playback.
    It's all to do with how flags are used to tell the DVD player to output the fields.
    For the video capture, it's naturally @29.97 and interlaced should be used.

    I can't recommend any further capture program, I doubt very much if it's
    the culprit (perhaps stick with Stoik).

    Does the problem only occur with these factory pre-recorded tapes? Perhaps it's a
    form of copy protection, but I must admit, I've never seen it before. DID you say that in your current setup other tapes work fine? Only these pre-recorded tapes have
    the problem? I think this is the key - to try and isolate it to something.

    I think at this point you should post the issue to the capture forum at videohelp.com
    At least we have a good place to start - you can point to your original mpg
    and mention the finding that viewing the split field in virtualdub displays that odd pattern. (at about frame 1979 as can be seen from my image above)

    There are a whole other set of experts at videohelp.com, and someone may recognize
    the peculiar pattern.
     
  7. AlexJel

    AlexJel Member

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    Alright, thanks for the help! I've started a thread over there and hopefully something will be figured out.
     

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