January 22, 2016 at 7:32AM

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Whats your workflow?

Hello guys,

After the last project I realised that the workflow in postproduction of film is extremely important and I would be interested to know yours, so that I can see what I am maybe doing wrong or just to see different options of workflow on film editing. I will just list you mine and be free to give me opinion on it, thank you ...

1. Raw Footage cut with the director (I usually shoot with Sony NE - EA50 that shoots internally on AVC - HD codec)
2. When everything is edited to final form, if the project needs it, I ADD SPECIAL EFFECTS with After Effects
throught Dynamic Link
3. Then I export whole project to Adobe Speedgrade for color correction/grading
5. Export graded footage from Speedgrade back to Premiere as DPX image sequence (uncompressed format of every single frame as a photo, similar to Cineon)
Which nests all the different shots and cuts in one footage.
6. If noise was added due to color correction/grading I cut shots from the nested DPX sequence and add Reduce Noise plugin (Neat Video)
7. Than comes the sound special effects and music
8. And final export (usually H264 codec and MP4 format)

I still havent figured out the Noise Reduction part if it should be before or after the color correction/grading.
And another note is that when I was reducing noise in Premiere on DPX footage in last project, some shots started flickering with plugin applied. In some of them I could reduce the flickering problem with manually adjusting noise profiles but 3 or 4 shots were really problematic so I had to prerender them in AVI uncompressed with noise reduction applied and reduce noise on the prerendered AVI footage again to remove that flickering problem ...
I know it should not be like that but that was my last solution after manual building of profile
didnt worked out ...

6 Comments

Page 14 of the Davinci Resolve 12 manual gives a list of the "Grading Order of Operations". It's not as if this is the only way to do it, but understanding its defaults can teach a lot. In particular, notice where noise reduction is when compared with virtually all other operations. The order of operations is:

Before nodes:

Camera RAW -> Timeline color space conversion or ACES -> Input LUT -> Edit Sizing -> Input Sizing

Within Nodes:

Motion Blur -> Noise Reduction -> OpenFX -> Color Match -> Stereo Color Match -> Shot Match -> Color Boost -> LGG -> Contrast/Pivot -> Custom Curves -> Shadows/Midtone/Highlight -> Hue/Sat -> 1D or 3D LUT -> HSL Curves -> Channel Mix -> Soft Clip -> Defocus -> Node Sizing

After Nodes:

Output sizing -> Output LUT -> Resolve Color Management to Output Color Space Conversion -> Deliver Page Output

January 22, 2016 at 8:04AM

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Michael I dont know how to work in Resolve yet, can you explain me some of those steps?
Is this just color correction/grading process or the whole editing process?

January 22, 2016 at 11:41AM, Edited January 22, 11:41AM

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Resolve now does have many of the features of a full-fledged NLE (Non-Linear Editor, such as Premiere Pro), but that's not the point of my response.

When you edit in Premiere Pro, by default there are Motion Effects (position, rotation, scaling), Opacity Effects, and Time-based effects (speeding up and slowing down of frame rates). As you add other effects, you decide where those effects go in your effects stack. Some of those effects may include coloring effects (but in your case most likely not, since that overlaps with SpeedGrade). When you work inside of SpeedGrade, you are likely adjusting contrast, LGG (Lift/Gamma/Gain), etc. The point is, as you stack up all these things you do to an image, whether inside your Premiere Pro project or as a result of sequencing which programs process your images at what phase in your workflow, it's obvious that later stages of processing are dealing with the consequences of earlier stages of processing. If you order these processes in a sane and rational way, they tend to feed one another nicely, but if you order them differently (by design or by accident) you will get different (sometimes very different) results.

The Resolve guys did their homework a long time ago, understanding that if you apply noise reduction early, other processes are less likely to create exaggerated noise that's very difficult to clean up later. There's a lot of signal processing wisdom hidden in the default way that Resolve does its image processing based on a single node. And if you want to define your own order of operations, as I have had to do, you can create a string (or even a network) of nodes so that the operations are done in the order you want.

I think that if you do your noise reduction earlier in the process, you will nip your flickering problem in the bud.

January 22, 2016 at 12:34PM

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Oh now I understand, unfortunately I dont have Resolve to mark my workflow steps with those "nodes" but I still can write down my workflow and follow it step by step even when I am editing in Adobe programs but in that Resolve manual I saw some phrases that i dont understand but I think I just have to get some more knowledge or maybe its just software related phrases. Anyway thank you very much I will change my workflow from now on, do you recommend any other step to change?

January 23, 2016 at 10:53AM

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You should denoise material before grading or as a first thing in grading. On the other hand if you want to add noise to your film (form more cinematic, analog look), you should always do it after grading is done.

January 24, 2016 at 10:04AM

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Andy Tokarski
Director, Editor, Colorist
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September 4, 2017 at 2:50AM

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