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Chapter 13. Superimposing Clips > Other Chrominance-Based Keys

Other Chrominance-Based Keys

The following section summarizes the other chrominance-based keys.

RGB Difference Key

The RGB difference key works like a simpler version of the chroma key. It provides only the similarity and smoothing sliders. You can also use the drop shadow option, which adds a 50 percent gray, 50 percent opaque shadow, offset 4 pixels to the right and 4 pixels down.


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