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Old November 11th, 2005, 02:53 PM   #1
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Join Date: Jul 2004
Location: McLean, VA
Posts: 29
Upconvert DV?

I've seen the term "upconvert" thrown around a lot and, while I understand what it means in theory (increase the resolution of your footage [or at least make it appear to be increased]), I haven't been able to find out a) how to do it, or b) if it's possible.
I tried playing around in Final Cut Pro HD with some footage I shot on the XL1S. I brought it in as DV50 NTSC, DV NTSC with 2:3:3:2 Pulldown Removal, tried using "None" for the compressor, etc. etc. The footage was not improved in any way, which, of course, makes sense: if it's shot on DV, it's DV. It can't become something else. Note: using "no compression" created a file about 8 times bigger than a clip captured using DV NTSC, with no discernible difference between the two.
So, after capturing as NTSC DV, I tried exporting from Final Cut as all the various formats: DVCPRO HD 1080i60, Uncompressed 8-bit NTSC, etc. When I played these files in Quicktime, there was a huge difference: specifically, DVCPRO HD 1080i60 looked much crisper than the original DV NTSC clip. As expected, it was a much bigger file size, a much bigger frame and a different aspect ratio.
The problem is that when I pulled the file back into FinalCut, that apparent difference in quality disappeared.
This leaves me thinking that "upconversion" is not possible in Final Cut or AfterEffects. Is that accurate?
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Old November 11th, 2005, 04:47 PM   #2
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Join Date: Feb 2005
Location: Portland, OR
Posts: 273
If you're capturing over firewire then FCP will upconvert if you put the DV clips in a non-DV sequence - say, 8-bit uncompressed. You could also capture the DV over SDI. I've never done this, but I read a good article about it on the Ken Stone website: http://www.kenstone.net/fcp_homepage..._nattress.html. But all you have to do to get it to upconvert is make a sequence that doesn't match the capture preset.
Zach Mull is offline   Reply

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