Grass Valley EDIUS v.5.1 - Manual (Page 563)

EDIUS — User Reference Guide 563
Creating Video Composites
4. Set the save parameters per the explanations which follow.
Save As Type
From the drop-down list, specify the .avi file format for the saved file.
Choices may include Canopus HQ, Canopus Lossless and Uncompressed
RGB and are dependent upon the format of the original Key and Fill clips.
Fill/Key Selection
Select which clip is the Fill clip and which is the Key clip by clicking the
appropriate radio button.
Convert Format
From the convert format drop-down list, select the element from the Key
clip which is to be used for the alpha channel.
Alpha Matte
Select this format when the Key clip includes an alpha channel that will
be applied to the Fill clip.
Alpha Matte (Invert)
Select this format when the Key clip includes an alpha channel, but the
channel should be inverted when applied to the Fill clip.
Luminance Matte
Select this format when applying the luminance (0% to 100%) level of
the Key clip as the alpha channel for the Fill clip where a luminance
level of 100% signifies 100% transparency.
Luminance Matte (Invert)
Select this format when applying the luminance (0% to 100%) level of
the Key clip as the alpha channel for the Fill clip where a luminance
level of 0% signifies 100% transparency.
Repeat Last Frame
Select this option to repeat the last frame of the Key clip to match the dura-
tion of the Fill clip when the Key clip is shorter.
5. Click the Save button to create the alpha channel clip which is
automatically saved in the Asset Bin. See Figure 663 .