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Capture Problem

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Timmy
Capture Problem
on Dec 9, 2002 at 3:03:29 am

I'm having a problem with the video I'm trying to capture. It almost looks like a ghosting effect. Go to this web page to look at a sample.

http://timweber.home.mchsi.com/

My system:
athlon xp 2000
512 mb ram
80 gb hard drive (raid)
creative labs audigy gamer w/1394
sony dcr-tvr140 camcorder

Thanks in advance for your help.

Tim Weber


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John Q
Re: Capture Problem
on Dec 9, 2002 at 5:45:14 am

Standard camcorders record interlaced video, i.e. half the lines in one field and the other half in the next field. NTSC video is 60 fields/sec for a combined 30 frames/sec, lower field first.

Your computer display is progressive scan, which displays all lines for each frame. Interlaced video looks awful on a progressive scan display. Most pc players have an option to deal with interlaced video on a computer display.

If you're generating video for a computer display, then you want to deinterlace it. If your ultimate destination for your video is edited videotape for playback on a television, then you want to keep the video interlaced.

If you reverse the field order, the output video will look really bizarre, about what your web picture shows.


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Timmy
Re: Capture Problem
on Dec 9, 2002 at 11:00:40 am

Cool.

Thanks for the help.

This has been driving me nuts

Tim


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