Grass Valley EDIUS Neo 2 User Manual
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EDIUS Neo — User Reference Guide
Section 6 — Effects and Titles
The image from which the alpha channel is derived is called the “Fill.” The
transparency mask that extracts images from the fill is called the “Key” as
illustrated in
Figure 546. Alpha Channel Key and Fill
The Alpha Channel functions are not supported when the following
parameters are different for the Key and Fill images:
•
Image size
•
Frame rate
•
Aspect ratio
•
Field order (Top or Bottom Field First and Progressive are supported -
No combination of Top Field First and Bottom Field First is supported)
•
One or both clips has no defined duration.
Note
The aspect ratio and field order of a clip is visible in the Information Palette.
To create an Alpha Channel composite clip, follow these steps:
1.
Save the clips that will be the Fill and Key clips in the Asset Bin as
shown in
Figure 547. Fill and Key Clips in the Asset Bin
2.
Select the two clips to use as the Fill and Key
3.
Right click on the clips and select Convert>Alpha matte from the menu.
See
.