Grass Valley EDIUS Pro v.7.4 Reference Manual User Manual
Page 460
Advertising
Chapter 12 Appendix — Effects List
460
r
Original images
Video B
(foreground)
Key application side
Video A
(background)
[Overlay]
The blending creates a darker area where the background is dark due to a multiplying effect, and a brighter area where the background is
light due to a screening effect.
[Screen]
Since the pixels are negated, multiplied then negated again, the image becomes brighter.
Advertising