6.0

Table Of Contents
Key Effect Parameters
689
Color Correction Parameters
Color Correction lets you perform post-key color correction of the foreground elements in the
Chroma Key effect. Because the foreground and background elements are often shot at different
times and locations, post-key color correction is especially useful for maintaining the key while
matching the visual characteristics of the foreground to the background. This parameter is not
keyframeable.
SpectraMatte Parameters
Bypass Parameter
Bypass toggles the SpectraMatte effect on and off. When it is selected, you see the original
foreground image in the Effect Preview monitor. When it is deselected, you see the composite of
foreground and background created by the effect. Use Bypass, for example, when you want to
use the eyedropper to select the key color from the blue or green screen part of the foreground
image.
Bypass on (left) and off (right)
Parameter Description
Hue Specifies the hue or tint of the foreground elements. Hue is measured as values on a color wheel
ranging from –180 to +180.
Sat
(saturation)
Specifies the amount or intensity of the color. Values range from –100 to +100.
Bright
(brightness)
Specifies the brightness level. Values range from –100 to +100.
Cont
(contrast)
Controls the contrast of light and dark areas in the picture. Values range from –100 to +100,
where a value of 0 indicates the image is unchanged. A negative value reduces contrast. A
positive value increases contrast.