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Thread: Sony Vegas 9.0 Video Problem?

  1. #1

    Question Sony Vegas 9.0 Video Problem?

    When I preview or render my videos on Sony Vegas Pro 9 (32-bit, if it matters), I keep getting these strange lines, and I don't know how to fix them. These lines appear in Sony Vegas and in the rendered video, as well as the original video in Windows Media Player/Quicktime, but only on my computer (I tried playing the videos on another computer and it's good). A few days ago I rendered a different video, uploaded it on Youtube with the exact same settings and it was fine. It's only now that this is happening. Also, it only occurs when the video has a lot of movement (the video is of me playing CoD: Modern Warfare 2 xD)

    Here are my settings:

    ---Project Video Properties---
    Template: HDC 720-24p (1280x720, 23.976 fps)
    Width: 1,280
    Height 720
    Field order: None (progressive scan)
    Pixel Aspect ratio: 1.0000 (Square)
    Output rotation: 0 (original)
    Frame rate: 23.976 (IVTC Film)
    Pixel format: 8-bit
    Compositing gamma: 2.222 (Video)
    Full-resolution rendering quality: Best
    Motion blur type: Gaussian
    Deinterlace method: None (I have tried Blend/Interpolate fields but it still doesn't work)
    [X] Adjust source media to better match project or render settings

    ---Rendering Settings---
    Template: (None because the settings are custom)

    [Video Tab]
    Mode: CBR
    Format: Windows Media Video 9
    Image size: (Custom)
    Width: 1920
    Height: 900
    Pixel aspect ratio: 1.000 (Square)
    Frame rate (fps): 29.970 (NTSC)
    Seconds per keyframe: 5
    [X] Override default compression buffer (seconds): 3
    Video smoothness: 100 (Sharpest)

    [Bit rate Tab]
    *Everything is unchecked except for Internet/LAN: 6 M

    [Project Tab]
    Video rendering quality: Best

    ------------

    Here's a picture of the lines
    http://img717.imageshack.us/img717/6682/picturevl.png



    Does it have to do with the speed of my computer or something? It's just that it worked perfectly fine a few days ago and I don't really have anything on my compuer that might've slowed it down. While rendering, no other programs were on other than Sony Vegas.

    Here are my CPU/Graphics information:

    CPU:
    Intel(R) Pentium(R) 4 CPU 3.40GHz

    Graphics Card:
    Chip Type: GeForce 7900 GT/GTO
    DAC Type: Intergrate RAMDAC
    Memory Size: 256 MB
    Adapter String: GeForce 7900 GT/GTO
    Bios Information: Version 5.71.22.35.04

    I would greatly appreciate any kind of help that might solve my problem.

    Thanks!

    ahhreggi
    Last edited by ahhreggi; 06-23-2010 at 12:56 AM.

  2. #2

    Default

    Could be the upper / lower frame could be the problem.

    look in the project properties (alt+Enter)or the clips properties and see what filed order is there.

    look at the render template under custom and see if it is the same.

  3. #3

    Default

    Quote Originally Posted by Z Cheema View Post
    Could be the upper / lower frame could be the problem.

    look in the project properties (alt+Enter)or the clips properties and see what filed order is there.

    look at the render template under custom and see if it is the same.
    Mr Z has very large thumbs. He means field order. If you've got them the wrong way around from the original, that might be the problem.

  4. #4

    Default

    Your quite right Archie, it is field as in farmers...

    My hands and my brain are in conflict for some reason at present

    Look here for a more detailed thumbs view

    Digital Video and Field Order

  5. #5

    Default

    Hmm.. nothing's still working. Might it have anything to do with my computer and graphics card? I don't think they're that bad though, so I don't see why I'm getting such bad quality. It's not only in Sony Vegas that the lines are appearing now. They're showing up in the original clip as well when I play them on Windows Media Player/Quicktime. It's not the clip itself, because I tried them on another computer and they're fine.

    Here's the info:

    CPU:
    Intel(R) Pentium(R) 4 CPU 3.40GHz

    Graphics Card:
    Chip Type: GeForce 7900 GT/GTO
    DAC Type: Intergrate RAMDAC
    Memory Size: 256 MB
    Adapter String: GeForce 7900 GT/GTO
    Bios Information: Version 5.71.22.35.04

    Are these bad? :(

  6. #6

    Default

    This is what I'd do to maybe indicate just what is going wrong:-

    Step 1] Get hold of some known INTERLACE material and set up a Vegas project, with the correct settings that match the material, and preview it. If it is bad then there is something incorrect going on with either your Vegas install and/or your PC. However if you are getting a good preview then go to step 2 below.

    Step 2] Download G-Spot (free) and analyses just what the GOOD material is and then compare that with the this "deinterlace" media is. See if you can spot the difference in the G-Spot analysis?

    Field and field orders and interlace and deinterlace and frame differencing has become THE most tricky issues to nail-down. Having to edit media that has come from several types of sources that have either known or poorly written specs of the field information or NOT, is a real PITA. I often have to try several permutations of Project settings and Media Settings to finally get the field order in sequence nailed.

    You're not alone . . .

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