Grass Valley EDIUS Pro v.7.4 Reference Manual - Manual (Page 464)

Chapter 12 Appendix — Effects List
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[Color Dodge]
Leaves the background color as it is and brightens parts that are superimposed.
[Exclusion]
Displays colors that have been converted to an exclusive OR for the background and foreground.
[Chromakey]
Displays the lower video through a specific color.
“Key” (w page 322)
[Track Matte]
Produces an alpha channel according to the luminance of the lower image, which is multiplied to the alpha channel of the clip to which track
matte is applied.
“[Track Matte]” (w page 330)
[Luminancekey]
Displays the lower video through a specific brightness.
“Key” (w page 322)