Internal and external keying for Decklink cards

There are 2 types of keying supported by decklink cards : internal keying and external keying In internal keying mode the CG software will set the Decklink card to superimpose the graphics over incoming signal

In external keying mode the CG software will set the Decklink card to generate video and key SDI signals and the keying will be made by an external keyer

The following table displays hardware which supports the keyer functionality

Device Internal External HD capable Intersity Pro no no no Intersity Shuttle no no no DeckLink SDI yes no no DeckLink Optical Fiber yes no no DeckLink Duo yes no no DeckLink Quad yes no no DeckLink Studio yes yes no UltraStudio SDI no no no UltraStudio Express no no no UltraStudio 3D yes yes yes UltraStudio Pro yes yes no DeckLink HD Extreme yes yes yes Multibridge Pro yes yes yes Multibridge Eclipse yes yes yes