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Activity Forums Adobe Premiere Pro Premiere DV-AVI to Encore to DVD – combing/horizontal lines on TV

  • Premiere DV-AVI to Encore to DVD – combing/horizontal lines on TV

    Posted by Spicediver on November 14, 2007 at 1:35 pm

    Hello,

    First time poster – so please go gentle. 🙂

    Been working on this problem for ages and am pretty frustrated.

    In short: Microsoft DV-AVI files created with Premiere Pro 2.0 and authored with Encore always result in DVD discs with combing/horizontal lines on a television screen. These are interlacing artifacts right?

    I don’t author DVD discs or .m2v files directly with Premiere anymore because my large projects have become unstable when attempting to export that way. But AVI files export without issues, so avi it must be and I need Encore for my DVD authoring.

    I’ve tried various combinations of settings in the Adobe Media Encoder in both programs but with no success yet (upper field, lower field, progressive, deinterlace etc).

    I honestly still don’t fully understand this interlaced/progressive thing when it comes to editing, exporting and authoring.

    Premiere project details: DV NTSC 29.97fps 16:9 lower field.

    All clips within the project are 23.976fps, sourced from VOB files via AVIsynth scripts

    AVI file export format: Microsoft DV AVI.

    By the way, when Premiere Pro was stable enough to export this same project as a progressive .m2v file, I was able to author perfect looking DVD’s when I imported the .mv2 file into Encore (which in this case Encore only needed to encoded the audio file for me before writing the DVD).

    Any help would be much appreciated 🙂

    Jon Barrie replied 18 years, 6 months ago 2 Members · 3 Replies
  • 3 Replies
  • Jon Barrie

    November 14, 2007 at 11:35 pm

    Spicediver, can you post a frame of this error so I can better understand what you mean when you sat combining horizontal lines. What version of PPro are you editing in also.
    – this might seem like a is the power plugged in question…
    are you exporting the dv.avi file with the same project format as your PPro project? ie: 29.97fps not 23.96 NTSC, lower field…
    – Cheers, Jon Barrie 🙂

  • Spicediver

    November 15, 2007 at 12:26 am

    Hi Jon,

    I mean “combing” effect not “combining”. Its a distortion that interlaced footage sometimes displays – subtle horizontal lines with a comb-like effect are visible across the image and the image is not as high resolution as it should be.

    Someone suggested to me this morning that the field order is messed up but I’m not sure how to fix that because between source and the final DVD there are many stages in which field order can be chosen along the way.

    I do know that my source footage is top field first, and that my Premiere Pro 2.0 project is based on a default setting of NTSC Widescreen 48k with LOWER field first. Maybe that is my problem? In my current project which is now 90 minutes long and full of complicated clip edits, PP2 won’t let me change this – the options to do so under “project settings’ are “greyed” out. It seems you have to decide that stuff when you first create the project – you are given the option of customizing from the project template.

    Re. your question about export settings: yes I do export the avi file at 29.97fps. and regardless of whether I choose upper, lower or progressive field order in PP2, Encore can’t seem to author a final disc from the avi file without lines/combing and a generally lower res image.

    I can grab an image tonight when I get home and post it – for now I hope that’s enough info for you. thanks.

  • Jon Barrie

    November 15, 2007 at 4:19 am

    If you have already edited the whole thing in the wrong interlace dominance you can open a new project setup with the correct field properties. Now import the edited project into the new one. Copy and paste the whole contents of your edit into the new sequence, the field issue should then be resolved. If there are further prob’s we know its not the field dominance.
    – Jon Barrie

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