Key

Transitions, multilayer segments

Key – hue, saturation, luminance, gain, softness

Secondary Key – hue, saturation, luminance, gain, softness

Spill Suppression – hue, saturation, luminance, gain, softness

Foreground – level, swap sources, reverse animation, invert key, show alpha

Scaling – height, width, fixed aspect

Position – horizontal position, vertical position

Crop – top, bottom, left, right

Transition Parameters – transition effect alignment and duration

Replaces one part of the video image with another video image based on color. The key color in the video on the higher track is replaced with the video from the lower track number. Chroma Key is used most frequently with a foreground image shot in front of a highly saturated color screen.