Problem with SVCD and Ulead DVD Workshop

Discussion in 'Amateur Video Production' started by Alex H, Aug 19, 2003.

  1. Alex H

    Alex H Guest


    I am experiencing very odd behavior with SVCDs created in Ulead DVD
    The problem is in following:
    I have a clip containing a fade to black effect for 2 sec: 1 sec fade to
    black and 1 sec fade from black.
    This is clip in encoded in MPEG2 format with VBR.
    The SVCD is created using that clip. When the clip is played in DVD player
    the only portion is being played is the one before the effect - the rest is
    skipped till the next clip.
    When the file is put on CD and played in DVD player (without creating SVCD)
    everything is fine.
    If the clip is encoded using CBR, everything is fine.
    I use fade to back effect very often and never had a problem. I usually have
    them no more then for 1 sec.

    Anybody has an idea why it is that way?

    Thank you.
    Alex H, Aug 19, 2003
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  2. Alex H

    Jerry Jones Guest

    Jerry Jones, Aug 19, 2003
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  3. Why the stand alone DVD player can play VBR file when I put it on
    regular CD (NOT SVCD format)? In this case my DVD player shows me a
    directory structure and I can select individual media file and play
    it. No problem playing VBR MPEG files here.
    The problem is when I create CD in SVCD format. I guess DVD workshop
    repacks it, because the file size is slightly different then the
    original. Probably. that process does something that causes the DVD
    palyer to skip the portion of the file.

    Alexander Havrylyuk, Aug 19, 2003
  4. Alex H

    Jerry Jones Guest

    I guess DVD workshop repacks it

    Ulead DVD Workshop should not touch the file as long as your INPUT
    file has properties that precisely match the Super-VideoCD

    For NTSC, as follows...

    NTSC drop frame (29.97 fps)
    MPEG files
    24 Bits, 480 x 480, 29.97 fps
    Field Order A
    (SVCD-NTSC), 4:3
    Video data rate: Variable (Max. 2375 kbps)
    Audio data rate: 224 kbps
    MPEG audio layer 2, 44.1 KHz, Stereo

    Jerry Jones
    Jerry Jones, Aug 20, 2003
  5. Alex H

    Alex H Guest

    In DVD Workshop Max bit rate is 2520 kbps.

    But anyway, this is not what I see in reality.

    According to the manual:

    Multiple video titles formats with intelligent file conversion on the same

    .. To enable this function, simply select Do not convert compliant file in

    Make Disc dialog box under the Finish Step.

    .. Gives you the flexibility to store videos and audios in various formats,

    ratios, and bit rates on the same disc (for example, the combination of

    MPEG-1, MPEG-2, LPCM and AC-3).

    .. To save time, files already compliant to the output file formats are not

    while burning a disc.

    My files do not get rerendered by they are not the same in terms of size.
    The size differs slightly. The binary comparison show a lot of differences.
    Defenetely, they are getting changed in some way. Maybe during that process
    it looses the ability to play my files correctly.

    Alex H, Aug 21, 2003
  6. Alex H

    Jerry Jones Guest

    If you want to read an interesting article about Ulead MediaStudio Pro
    and Ulead DVD Workshop and their Smart Render logic, you can visit
    this link...

    ....and scroll down to the bottom of the page...

    ....and click the drop down arrow...

    ....and then click SMART RENDER IN DEPTH.

    Very interesting reading.

    I am unable to reproduce the issue you describe, by the way.

    Jerry Jones
    Jerry Jones, Aug 21, 2003
  7. Alex H

    Jerry Jones Guest

    If you like I can send you an image of my DVD Workshop project and you'll

    I would be interested.

    Send it to:

    Jerry Jones
    PO Box 2304
    Boise, ID 83701

    Jerry Jones
    Jerry Jones, Aug 22, 2003
  8. Alex H

    Alex H Guest


    I ment by email.
    It is about 2M. It is a dummy one with 10 s clip.

    Alex H.
    Alex H, Aug 23, 2003
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