Creating a Luma Key Effect
Use a Luma Key effect to replace portions of the foreground video with the background video based on brightness or luminance.
Luma Key Effect icon
To create a Luma Key effect:
1.  Create a sequence with two video layers.
For information on creating and editing a sequence, see Main Topics: First Edits and Main Topics: Using the Timeline.
2.  Edit the background image onto track V1.
3.  Edit the foreground image onto track V2.
4.  Open the Effect Palette by doing one of the following:
  In the Project window, click the Effects tab.
  Select Tools > Effect Palette.
5.  Click the Key category.
6.  Drag the Luma Key Effect icon from the Effect Palette to the segment on track V2.
7.  Use the eyedropper or the Luma Key sliders to select a brightness value in the foreground video.
See Also
Using the Chroma Key Effect and the RGB Keyer Effect
Creating a Matte Key Effect

Some features described in Help are available only in Avid Xpress Pro or Avid Xpress DV. For more information about Avid Free DV go to
www.avid.com.