Office Hours LIVE! ARRI LUTs, Linux Resolve, Broadcast Safe, & Monitoring LUTs

July 22, 2024

Mixing Light's team answer: What's the correct ARRI LUT? Building a Linux Resolve system. Is Broadcast Safe obsolete? And monitoring LUTs.

Tutorials  /  Office Hours  /  Office Hours LIVE! ARRI LUTs, Linux Resolve, Broadcast Safe, & Monitoring LUTs
Series

27 June 2024: Practical Insights to Technical Questions

The correct LUT is the one that looks good and gets client approval.

On this edition of Office Hours Live, host Cullen Kelly is joined by Rich Roddman CSI, Igor Ridanovic, and Mixing Light CEO Patrick Inhofer. The team tackles three beefy technical questions and delivers just as many beefy responses – though maybe not your expected answers!

Question 1

What is the correct ARRI LUT? The CST from DaVinci Resolve, the native LUT (.dat) in DaVinci Resolve, or the classic LUT downloaded from the ARRI website. They all look different.

Stefano, Mixing Light Member

Question 2

Do any of our contributors have experience running Resolve on Linux? How as it been building and maintaining a Linux system? Does it need to be built with specific hardware components or can you buy a turnkey tower?

Arthur, Mixing Light Member

Question 3

In ML147 and ML153 Resolve doesn’t have correct working Broadcast Safe setting. Various workarounds are presented as there is no way around external legalizers. Is this still true?

Robert, Mixing Light Member

Question 4


“Does a link exist to an actual Fusion OCIO config file for ACES 1.3?“

Robert, Mixing Light Member

Question 5


I built a 3D LUT for my Decklink Monitor, but it only works in DaVinci YRGB and YRGB Color Managed. In ACES the whole thing breaks up. How do I fix this?

Robert, Mixing Light Member

Mentioned in this Insight:

  • 2499 DRT – Pablo Zambrano’s free open-source DRT that delivers “really incredible results.”
  • DaVinci Resolve Rocky Linux 18.6.6 Installer ZIP – This is a direct download link from Blackmagic’s website. It includes everything you need to install Rocky Linux 18.6.6 on a fresh boot drive. Be careful; it will overwrite an existing boot drive. Finally, you can find the latest version of the Resolve Rocky Linux installer by downloading any version of Resolve Linux and following the instructions at the end of the Linux Installation Instructions PDF.
  • Rocky Linux Installer – Download the latest version of the generic Rocky Linux installer.
  • Grub Bootloader – To select which OS you want to run on a dual boot machine.
  • Netflix YouTube Channel: Color Roundtrip from Dailies to Final Grading Using Davinci Resolve: Part One – As mentioned by Rich Roddman, “In the first part of this series, we are going to learn how to set up a project for dailies, add metadata information, create CDLs, different shot match techniques, and how to export metadata information for different types of workflows.”
  • Netflix YouTube Channel: Color Roundtrip from Dailies to Final Grading Using Davinci Resolve: Part Two – “In the second part of this series, we will learn how to conform color information from dailies to a final color grading session.”
  • Flanders Scientific BoxIO – LUT box from Flanders Scientific.
  • UltraStudio Monitor 3G – (For Video Levels) Affordable LUT Box from Blackmagic Design that requires a Video Level input.

Chapters

  • 00:00 – Introduction and Overview
  • 00:59 – Understanding the Correct ARRI LUT and Image Formation Path
  • 08:05 – Exploring Different LUTs and Display Rendering Transforms
  • 09:40 – What LUT were they viewing on set? (If they know!)
  • 12:30 – Why the on-set viewing/show LUT might not stick in the grade
  • 16:42 – Considerations for Building a Linux Resolve System
  • 18:34 – Installing Rocky Linux and Linux DaVinci Resolve
  • 21:11 – Running Linux on older machines to extend their life
  • 22:39 – Practical tips for NVIDIA Drivers and Dual Boot Machines
  • 25:25 – Challenges with Achieving Broadcast Safe Colors
  • 28:06 – The Obsolescence of Broadcast Safe
  • 30:36 – Matching Delivery Specs
  • 31:22 – Managing Specular Chroma Excursions
  • 32:38 – Global Broadcast Delivery and Broadcast Safe
  • 34:27 – Legalizing Video Signals in ACES
  • 36:19 – Trim Passes, ODT and QC Notes
  • 41:55 – Fusion OCIO for ACES 1.3?
  • 48:27 – Issues with Decklink Monitor Calibration LUT in ACES

What are your biggest technical questions?

What is your preferred LUT? Have you built a Linux machine, and how did it go? Have you noticed the performance bump compared to Windows and Mac? Leave a comment and let us know!

– Cullen

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Cullen Kelly
Igor Riđanović
Rich Roddman C.S.I.
Patrick Inhofer
Insight # ML 1335
Type Video
Duration 56:44
Skill Level Intermediate
Skills DaVinci Resolve DaVinci Resolve Fusion
Categories ACES Calibration LUTs Deliverables Legal Range Video / Full Scale Data Legalization OpenColorIO (OCIO) QC
Series Office Hours

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