Post Production

Classic Course: Channel Combiner – Overview

Channel Operations are an advanced Photoshop skill that can also be applied to video in After Effects.

“ChOps” – Channel Operations, where you process individual color channels of an image (including the alpha channel) – is considered a Kung-Fu skill of advanced Photoshop users.

After Effects also happens to have a number of plug-in effects that give you access to those individual channels. In the next few installments of our Classic Course series, we’re going to look at a few of them.

We’re going to start with the power Channel Combiner effect. In this short overview movie, we’ll give you a taste for its power, from using it to create better grayscale images from a color original, to changing alpha channel types, to processing images using different color spaces, to its ability to look at a second layer as part of its processing:

These movies previously appeared in our Insight Into Effects course on Learning. They’ve retired that course from their library, so we’re making them available publicly for free.

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Chris & Trish Meyer founded Crish Design (formerly known as CyberMotion) in the very earliest days of the desktop motion graphics industry. Their design and animation work has appeared on shows and promos for CBS,…

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