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This is the expected behavior for fading two video tracks. Video tracks are blended in order to build up what you see as an end result. When you make the image mask (the overlay) for the chat pain start fading to transparent, it allows the images underneath to be seen. So if it is at 70% transparent, it lets through 30% of the underlying layers, which in ...


I would guess that it is trying to correct for green highlights in the chromakeyed video and overdoing it. It's relatively common for green screen footage to have greenish reflections due to light bouncing off the green wall back on to subjects. The chroma-key effect may be attempting to automatically correct this and catching objects that have no such ...


This might be an issue with the Vegas chroma key program removing green from all objects and making it transparent rather than finding only solid green and modifying that. Someone may know how to fix this in Vegas, but if all else fails you can run your keyed footage through a program like Davinci Resolve Lite (free) and correct the colors.

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