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Welcome to the NewTek Knowledge Base. Whether you're trying to use your TriCaster for something new, or attempting to work through an issue you're experiencing, you'll find actionable information right here. Articles cover a wide range of topics that are continuously expanding.

Understanding Video Layers


TriCaster 40

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Video layers, BKGD, DSK


Putting together a production can be a complicated process. The following sheds some light on understanding the flow of video layers as they work in TriCaster 40.


The concept of video layers is central to understanding how TriCaster’s Switcher and Transition controls work together to supply the video seen on Program Out.

TriCaster’s Background layer (often shortened to simply ‘BKGD’) is always the base for the video composition displayed on Program out.

In addition to BKGD, three additional ‘primary layers’ can contribute to TriCaster’s final Program output:

  • Two overlay layers, DSK 1 and DSK 2, are composed above the

BKGD layer on Program output. DSK 2 appears ‘in front of’ DSK1 – that is, closest to the viewer.

  • FTB (Fade to Black) constitutes a final overlay layer – one that

obscures all other layers when applied.

So the order can be represented like so:

BKGD (Program and Preview)--> DSK1--> DSK2--> FTB--> Program Out

Hint: DSK is short for Down Stream Keyer. DSK layers are typically used for graphics, titles, etc.

With video layers clearly understood, it’s easy to comprehend the Transition and Local Layer controls. (for more information on this topic see the User Guide – Chapter 3)

Click below to watch a video on this topic:

Created : 2012-08-20 11:42:14, Last Modified : 2012-08-30 05:04:43