Tutorials

How to read an EDL

How to read an EDL

If you are working in video you will at some point find yourself using an EDL. I have found that many people barely can read an EDL so here is an explanation about what all the numbers and letters mean. Some History Before None Linear Editors (NLE) came into the world of video the way […]

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Color Decision List – introduction

Color Decision List – introduction

Have you ever wanted to move a primary grade from one system to another one. For example you are on set and do a basic grade on the footage using “Iridas Speedgrade On Set” just to get a look for the Dailies, but when you get to the final grade you are using another grading […]

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Color Decision List – using EDL and CCC files

Color Decision List – using EDL and CCC files

For this Tutorial I will be using Colorista Free from Red Giant Software together with Apple Final Cut Pro to create the CDL values and DaVinci Resolve from Black Magic Design to use as the final grade system. This tutorial is for understanding the CDL format. Do NOT use this workflow in a production since […]

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Math behind colorspace conversions, RGB-HSL

Math behind colorspace conversions, RGB-HSL

In this article I will try to explain the math behind converting RGB values to HSL and back. RGB is a way to describe a color in a cube, where Red, Green and Blue are on the different axis. HSL is another way to describe a color. Here we use Hue (the angle on the […]

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Balance using Parade and Vectorscope

Balance using Parade and Vectorscope

This tutorial is about using your Vectorscope and Waveform monitor to balance a shot with a cast, like this image which comes from a Viper camera. In order to see each color channel (R, G and B) set your waveform monitor to PARADE. The waveform monitor displays the luminance of the picture from left to […]

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Why chroma sub-sampling is important

Why chroma sub-sampling is important

Most people know that 4:4:4 is better then 4:2:0, but what is the difference? Have a look at the following image which is a part of Kodaks Marcie LAD. The image color sampling is  below is 4:4:4 When comparing it to a 4:2:0 version of the same image you can see some artifacts, especially in […]

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Understanding YUV values

Understanding YUV values

YUV is one of those colorspaces that it not very easy to understand. RGB is easy to understand as well as HSL when you play around with it for a while, but YUV isn’t. I will try to explain how it works. The graphs aren’t 100% accurate, but you will get the idea. YUV is […]

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