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mixed progressive and interlace material. deinterlace before or after grading?

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Seth Thy
mixed progressive and interlace material. deinterlace before or after grading?
on Jan 30, 2016 at 12:35:21 pm

Hi, I tried searching but didn't find an answer.

I'm editing/grading documentary in FCP7/Resolve 11.

Most of the footage is HD, some is 4K and we also use some upconverted SD interlaced archive footage.

FCP sequence settings: ProRes 422, HD, Fields: None
I want to have everything rendered as HD, so I'm exporting self-contained QT for Resolve (not using .xml).

So, I was just wondering:

Should I up convert SD before FCP or is it ok to just scale to HD.

Should I deinterlace SD material before or after Resolve?

Thank you
Seth


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David Baud
Re: mixed progressive and interlace material. deinterlace before or after grading?
on Jan 30, 2016 at 6:07:30 pm

[Seth Thy] "Should I up convert SD before FCP or is it ok to just scale to HD.
Should I de-interlace SD material before or after Resolve?"


Because you have a mix of footage (4K, HD & SD, progressive & interlace), I would conform everything to HD progressive before your final grading. Even so your FCP sequence is configured to progressive, your SD interlaced clips still retain fields information (maybe difficult to monitor on a computer screen only). Make sure you de-interlace them separately. I would de-interlace before upscale.

HTH

David Baud
Post & VFX
KOSMOS PRODUCTIONS
Denver - Paris
http://www.kosmos-productions.com



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Seth Thy
Re: mixed progressive and interlace material. deinterlace before or after grading?
on Jan 31, 2016 at 11:52:59 am

OK, great.
Thank you David.


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