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if trans-coding before editing - color correct before transcoding or after?

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Don Cobble
if trans-coding before editing - color correct before transcoding or after?
on Apr 30, 2017 at 2:50:38 am

I have to trans-code most of the footage i receive to make it cross platform.

It come as GV HQX 1080 59.94 10bit I am trans-coding to DNxHD 1080 29.97P

After tons of render test for both speed / size and quality, I landed on DNxHD to be the most versatile for the different editor MAC & PCs.

The question is a "Quality for editing Question?"
I use my Vegas to trans-code, should I do my basic color matching before or after trans- coding

Thank You
Don


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Francois Pénzes
Re: if trans-coding before editing - color correct before transcoding or after?
on Apr 30, 2017 at 3:25:00 am

Hi Don

I would do it before. There is always a certain amount of loss every time your file is processed, regardless.

Way better to start off with as decent of a picture as possible.

Remember that you will be going from 59.94 down to 29.97.

You can always do some fine tuning afterwards.

Cheers !

PC Win 7 64-bit 16gb Intel® Core™i7-2600k Quad Core 3.40GHz NVIDIA GEFORCE GTX 550 Ti
Cameras: Canon XF305 + Canon XH-A1

''When the cutting stops, the editing begins...''


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Don Cobble
Re: if trans-coding before editing - color correct before transcoding or after?
on Apr 30, 2017 at 5:23:11 pm

Thank You Francois! will do!


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Aaron Star
Re: if trans-coding before editing - color correct before transcoding or after?
on Apr 30, 2017 at 6:29:15 pm

I would do some gradient tests when using vegas to process to DNxHR from a 10-bit source. I might be wrong, but I think there is a problem with quicktime not passing the 10bit info through the workflow. Regardless you need to do your processing in 32-bit video levels.

Resolve, or FFMPEG transcode might be better.


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