Matrox Electronic Systems Matrox RT.X2 User Manual

Page 102

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94

Chapter 4, Setting Up Realtime Effects with Adobe Premiere Pro

Suppression

to replace the green tint with the opposite color in the

spectrum to return the person’s skin to a more natural-looking color.

¦

Note

The following properties (

Luminance

and

Shadow Suppression

)

are only available in the chroma key shadow effect.

Luminance

Use this to adjust the luminance of your shadow. Negative

values increase the brightness of the shadow, while positive values decrease
the brightness.

Shadow Suppression

Use this to make shadows in your clips less

apparent. A higher value indicates less shadow.

Mask

Allows you to apply a mask to your effect. For more information,

see

“Applying a mask to your effect”

on page

57

.

Transparent Outside

Mask

Select this option to apply transparency

outside the mask area. This allows you to define a mask area where you want
the keying to be performed, and show only your underlying image outside
the mask. For more information, see

“Applying a mask to your effect”

on

page

57

.

Invert Key

Select this to invert the key selection, giving you the opposite

result of what you originally selected.

Show Key as Output

Select this to display the matte used to create your

key effect. This enables you to further refine your key. For example, when
you display the matte, your key color (such as green) appears as black, and
opaque areas appear as white. If you notice some white spots that you want
to key, you can adjust the key controls until the undesired white spots
disappear.

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