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Old May 10th, 2011, 09:29 AM   #1
Tourist
 
Join Date: May 2011
Location: Turkey/Istanbul
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5DMK2 convert question

Hi DVINFO members,

I am a new member Dvinfo and Neo(HD) Family. I have a question.

1-Canon 5dmk2 files put to After Effects. (direct, cancel the HDLINK convert)
2-AE color bit depth: 16 bpc(edit,fx...etc)
3-Render ( Cineform Avi, RGB+Alpha ,Trillions of color +,Film scan 2, Enable 4:4:4 encoding )
4-result : 4:2:0(8 bit Canon file) to 4:4:4 (12bit CF avi)

Is that correct ?

or

1-Firstly HDLINK convert(4:2:0 to 4:2:2)
2-AE color bit depth: 16 bpc(edit,fx...etc)
3-Render ( Cineform Avi, RGB+Alpha ,Trillions of color +,Film scan 2, Enable 4:4:4 encoding )
4-result : 4:2:0(8 bit Canon file) to 4:4:4 (12bit CF avi)

Is that?

I'm confused..!

Thank you.
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Old May 10th, 2011, 12:23 PM   #2
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Re: 5DMK2 convert question

Neither works like you imagine. You can't get 4:4:4 from a 4:2:0 source, although you can guess at the missing data to smooth out chroma artifacts. The HDLink 4:2:0 to 4:2:2 is doing this type of chroma artifact reduction. When decoded it will optionally do 4:2:2 to 4:4:4 chroma smoothing (if you select "Filter 422 to 444" in the "C" systray control). So HDLink does all you need, there is no gain in baking it all into a new 4:4:4 file which is twice as big without twice the information. If you go with you first approach, using CS directly, where is your 4:2:0 to 4:4:4 interpolation occurring? Short of add filters, AE or PPro makes no attempt to fixing chroma 4:2:0 artifacts, so you would end up baking the artifacts into a large 4:4:4 file -- zero gain, backwards step.
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Old May 10th, 2011, 01:17 PM   #3
Tourist
 
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Re: 5DMK2 convert question

Thanks ....

1-
2-
3-
4-


please...
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Old May 10th, 2011, 01:45 PM   #4
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Location: Los Angeles, CA
Posts: 115
Re: 5DMK2 convert question

1. Drag and drop your 5D files into HDLink for conversion
2. Done.
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