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10. KEY
The key feature enables you to superimpose titles and images onto background signals. With the
HVS-390 series, four key channels are provided for each M/E. Three key types are available in all
keyers: Luminance Key, Full Key and Bus Key. Key Invert, Mask and 2D DVE effects can also be
added to keys. Furthermore, the Chroma Key feature and Edge effect can be used in KEY1 and
KEY2.
Key Features
Feature
KEY1 and KEY2
KEY3 and KEY4
Refer to
Luminance key
Available
Available
Full key
Available
Available
Bus key
Available
Available
Chroma key
Available
-
Key invert
Available
Available
Box mask, signal mask
Available
Available
Preset mask
Available
-
Edge effect
Available
-
Pattern transition
Available
-
3D DVE
Available
-
IN/OUT effects
Available
Available
M/E1 PGM image (M/E re-entry) selection
Available (*1)
Available (*1)
AUX output
-
Available
(*1) Except when M/E1 is selected for the output bus.
The following section describes the key setup and adjustment using M/E1 KEY1 as an example.
Luminance KEY
Luminance Key, also called Self Key, uses the same image for Key Source and Key Insert. This
image is selected from Key Insert.
Full key
Full Key displays the key insert signal full-screen.
Luminance Key
Edge
Full Key
BOX(AND)
mask