Act As Alpha - NewTek TriCaster 850 User Manual

7.2.2

ACT AS ALPHA

TriCaster optionally allows one or more neighboring pairs of video inputs to be combined as a
single 'video + alpha' channel (sometimes also referred to as "fill and matte").
Figure 137
Note: The input configuration (video format and connection type) for the alpha input is
automatically configured to match the fill source it is paired with.
The ability to configure one input as the alpha
channel source for another is absolutely
invaluable for installations employing video
feeds from high end external CG and
chromakeying systems (such as Ultimatte
To use this feature, select Act as Alpha Channel
for Input (#) as the Connection Type in the
Input Configuration panel for an even-
numbered input.
®
).
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