50 KAYENNE — User Manual
Section 2 — Concepts
Preset Pattern
A preset pattern uses a wipe pattern generator, rather than an incoming key
cut signal to define the hole cut in the background (
Figure 21). Key clip and
gain controls are not available for a preset pattern, but controls over the
location, size, border, opacity, and edge softness are available.
Figure 21. Preset Pattern
Split Key
A split key uses an alternative key cut signal for keying. On the Kayenne
system, a key split is performed by selecting the desired key fill signal, then
selecting an alternative signal to be used as the key cut (
Figure 22).
Figure 22. Split Key
Note that if the key fill video has been shaped by an external device, this
previously shaped video will not match the different key cut signal selected
Pattern Key Cut
Key Fill
Background
Background with Preset Pattern Inserted
0618_00_71_r1
Key Fill Bus
2
1 3 4 5
Key Cut Bus
Split Key, Alternative Key Cut Signal Selected
123 45
Video Only Key Video Key Video Key VideoVideo Only
0618_00_36
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