Multi-layer Keying in After Effects Part 1 - Pulling a Basic Key

http://library.creativecow.net/devis_andrew/Multi-Layer-Editing-1 In this first of 4 tutorials on basic multi-layer keying in Adobe After Effects using Keylight 1.2, Andrew Devis starts by showing how and explaining why you might need a garbage matte for most keying work and what considerations are important for such a matte. Andrew then goes on to show how to pull a basic key and then modify that key to ensure that you don't over-smooth your end results, finally viewing the keyed footage with a bright image behind to test the key.

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