Grass Valley PVTV NEWS Rev.4.02 - Manual (Page 55)

51 STUDIO NEWS
Process Effects
DVE Luma Chroma
The DVE Luma/Chroma Keyer allows the keyer to take the DVE signal and analyze the content
(Luma) or color (Chroma) of it. It then performs a self-key according to the specifications set with
the controls below.
Cancel
Undo
Load
Defaults
OK
Determines the brightness
and saturation of the color
that is to be rejected by the
keyer (background).
Sets the angle around the
specified Hue for which the
key will be generated (Key)
and the Chroma part of the
signal will be suppressed.
Controls the steepness of the
slope of the chroma from the
edges to the middle.
Determines the percentage along the
hue axis (Saturation strength) below
which the signal is treated as fully in
front or above which the signal is
treated as fully in back.
Adjusts the clipping point
(Lift) and the steepness
(Gain) of the keying action.
Controls
whether the
keyer can be
adjusted.
Controls the
mode of the
Chroma Keyer.
Determines which
aspect the keyer
will analyze.