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Activity Forums VEGAS Pro question about very low quality ;)

  • question about very low quality ;)

    Posted by Laszlo Kovacs on September 19, 2007 at 4:10 pm

    Hi pros,

    nowadays you all talk about HDV, the highest qality video available. May be you can help me out with a problem from the other side: related to the lowest quality.

    I got a very old, very weared VHS tape to archive onto DVD.
    The image is so much blurredd, that I thought I drop the resolution to 352*576 (PAL) and lower the bitrate accordingly,
    thus being able to get the whole 2 hours 58 minutes onto the disc.
    Again, the quality is so much bad, that it will allow this.
    My problem is that there’s no template for this in Vegas6, and DVDA4 does not accept 352*576 mpeg2.
    In fact it accepts, but wants to reencode, which I don’t want to do. (DVDA4 has a 352*576 PAL template, I use this).

    Could you please advice me what settings to use in Vegas when rendering to 352*576 PAL mpeg2?

    Thanks in advance.

    Best regards

    By(t)e
    K.L.

    Laszlo Kovacs replied 18 years, 7 months ago 2 Members · 2 Replies
  • 2 Replies
  • James_j

    September 20, 2007 at 12:57 am

    You can’t just make up DVD resolutions as you go. They have very strict standards.

    Two options quickly come to mind:
    *) Stretch to PAL 720X576 using track motion
    *) Matte

    Or try burning an mpeg file to a data DVD at your resolution and see if your DVD player will play it. Some might.

  • Laszlo Kovacs

    September 20, 2007 at 5:45 pm

    Meanwhile I got it to work. Thanks your input anyway.
    I modified the DVD PAL template first to 352×576, then did a test render (1 min video).
    DVDA accepted it. Then I reduced the bitrate to a lower level
    (4Mbps max, 2.7Mbps av. 192 kbps min), then did a test render again. And voila, DVDA accepted it as “native”, so it won’t reencode.

    This is my goal.
    Keeping the video 720×576 would not allow me to reduce bitrate without compression artifacts. This resolution drop (720 to 352) is unnoticeable because of the really poor quality of the source (I’ve never seen such a bad tape),
    and it allows me to keep the whole material on one disc.

    Now it’s under rendering.
    I don’t know why I could not get it to work yesterday.

    Anyway, thanks again for your input .

    Best regards

    By(t)e
    K.L.

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