Definition of the chroma key parameters – EVS EPSIO Version 1.63 - May 2011 User's Manual User Manual
Page 49

Epsio Version 1.63 – User’s Manual
EVS Broadcast Equipment – May 2011
Issue 1.63.C
43
D
EFINITION OF THE
C
HROMA
K
EY
P
ARAMETERS
The chroma key parameters are explained in the table below:
Parameter
Description
RGB Hue Value Definition
X
Moves left and right the color range in the color space.
Y
Moves up and down the color range in the color space.
Tolerance Definition
Width (W)
Widens or narrows the color range on the X axis in the
space.
Height (H)
Widens or narrows the color range on the Y axis in the
space.
Transition Definition
X Transition (TX)
Widens or narrows (on the X axis) the color range that will
be more or less punctured when defining the key layer.
Y Transition (TY)
Widens or narrows (on the Y axis) the color range that will
be more or less punctured when defining the key layer.
Black Level
Adjusts the level of transparency of the graphic animation,
in other words defines how strong the animation will be
displayed.