How to calculate RP-177 3×3 matrices in Matlab. Part 2. TRA. Rec709/P3 to Rec2020.

How to calculate RP-177 3×3 matrices in Matlab. Part 2. TRA. Rec709/P3 to Rec2020.

(work in progress) Matlab code made by Tinna Lif Gunnarsdottir. Part 1 is here SMPTE RP-177:1993  Rec709/P3 to Rec2020 NPM/TRA COLOR REC 2020 NPM & NPM INV R = [0.708 ; 0.292 ; 0.000]; G = [0.170 ; 0.797 ; 0.0330]; B = [0.131 ; 0.046 ; 0.8230]; P = [R G B]; White Point D65…

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How to apply X’Y’Z’ 3D LUTS in Photoshop to an image so it will match the white point of a DCP

How to apply X’Y’Z’ 3D LUTS in Photoshop to an image so it will match the white point of a DCP

Sometimes you may want to add something to a DCP trailer or feature film. Example: Trailers often need new graphics in a new language. In Photoshop and Resolve you can apply 3D LUTS to an image to match the white point of the original DCP. If the DCP has a warm white you could use…

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Using Ubuntu linux inside Virtualbox on a Mac to format hard drives and do other DCP related stuff

Using Ubuntu linux inside Virtualbox on a Mac to format hard drives and do other DCP related stuff

You can run linux inside virtualbox on a mac (and windows). You can also run Windows inside virtualbox on a mac. Installing Ubuntu in virtualbox  Download Ubuntu Download virtualbox and extensions Install virtualbox Click new Choose Linux, Ubuntu 64 and a name like Ubuntu. Choose RAM size. I used 2048 MB because it is recommended…

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Should the DCI/SMPTE 431 digital cinema standards be updated for RGB LASER projectors?

Should the DCI/SMPTE 431 digital cinema standards be updated for RGB LASER projectors?

Should the DCI/SMPTE 431 digital cinema standards be updated for RGB LASER projectors? Higher contrast ratio The SMPTE RP 431-2:2011 digital cinema standard document describes the reference projector viewing environments used in DCI digital cinemas. –SMPTE 431 Review room 14 fL, 100:1 Intra frame contrast, 1500:1 Sequential contrast –SMPTE 431 Cinema Theatre 14 fL, 100:1 Intra…

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Some tips on downloading and uploading DCPs and large files

Some tips on downloading and uploading DCPs and large files

Here are some tips on downloading and uploading DCPs and other large files like prores quicktime files: Downloading -I recommended using a fast wired internet connection. (20/20-50/50 mbit/s). (Use a good network cable/router) -I recommend using a download manager like Free download manager  (Windows/mac) that support resume and multi-part downloading. Free Download will allocate disk space…

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Playing Blu-Rays in a Cinema

Playing Blu-Rays in a Cinema

Blu-Rays and H264 files are sometimes used instead of DCPs when screening special content at cinemas. Modern Blu-ray players send the video and sound signal through the HDMI connection. When choosing which Blu-Ray player to use in a cinema/movie theatre you should first check if you need analog 5.1 sound output. Many Blu-Rays only have…

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Resolve 11 adds 12 bit monitoring support with the BlackMagic Decklink 4K Extreme and the UltraStudio 4K

Resolve 11 adds 12 bit monitoring support with the BlackMagic Decklink 4K Extreme and the UltraStudio 4K

12 bit monitoring is great when grading LOG for digital cinema (DCP) on a 12 bit digital cinema projector. To have the correct black level and correct contrast ratio you will need the correct review room contrast ratio in the cinema: 1500:1, 100:1 intra frame. Movie theaters have 1200:1. You will also need the correct…

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