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December 17th, 2002, 09:18 AM | #1 |
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Encoding DV footage with Stair Stepping Artifacts
I got this footage I want to encode but it has this wired artifact. I think this is what people called "star stepping". When encoded it cause all picture to blur out and noisy. I can't get the original edited DV footage, so I have to find a way to work with the copy that was sent to me.
here is the example of the artifact. Please have a look because it might not be stair stepping: http://207.44.160.90/~admin11/artifact.jpg Any help is greatly appriciated! |
December 17th, 2002, 10:03 AM | #2 |
Sponsor: JET DV
Join Date: Dec 2001
Location: Southern Illinois
Posts: 7,953
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This looks like standard interlacing. If you view the clip on a TV it should look fine. If you view it on a computer monitor, you will see the artifacts.
I don't know which NLE you use, but in Vegas a couple of options are Resample, and Reduce Interlace Flicker. You can also add a slight blur which frequently helps. If your final result is going to be TV (i.e. VHS or CD) then test it there first to see if you REALLY have a problem. |
December 17th, 2002, 10:10 AM | #3 |
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Thanks Edward,
My final result is going to be computer and the file is going to be delivered via webpage. I use Vegas to compress this footage into .wmv (windows media video) as I have never sucessfully compressed video with quicktime. since the director has mac, i guess i should work on qt version as well just to be safe! would you please tell me more about resample, and reduce interlace flicker options. |
December 18th, 2002, 01:28 PM | #4 |
Sponsor: JET DV
Join Date: Dec 2001
Location: Southern Illinois
Posts: 7,953
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Just right-click the clip, choose Switches, and two of the options are Resample and Reduce Interlace Flicker. One, or the other, or both of these options combined *may* be enough to solve your problem. If not, also try setting the project to "progressive" (File - Properties) and see if that works better.
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December 18th, 2002, 01:30 PM | #5 |
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thanks Edward, you rawks :o)
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