User Guide

ADOBE PREMIERE PRO 2.0
User Guide
359
After you create one or more keyframes on the graph, you can move the keyframes or Opacity handles with either
the Selection tool or the Pen tool. To adjust the smoothness oftheanimationchangethekeyframeinterpolationfrom
linear to Bezier. See also “Controlling change using Bezier keyframe interpolation” on page 243.
See also
“About the Effect Controls panel” on page 255
“To activate keyframing” on page 234
“Working with keyframes” on page 230
Defining transparent areas with keys
To apply a key to a clip
A key effect defines transparent areas in a clip based on values such as color or brightness. Use color-based keys to
knock out a background, brightness keys to add texture or special effects, alpha channel keys to modify a clip’s alpha
channel, and matte keys to add traveling mattes or apply other clips as mattes.
1 In the Effects panel, click the triangle to expand the Video Effects bin and then click the triangle to expand the
Keying bin.
2 Drag a key to a clip in the Timeline panel.
Dragging a key from the Effects panel to a clip in the Timeline panel
3 In the Video Effects section of the Effect Controls panel, click the triangle next to the key effect name to expand
its settings.
4 (Optional) If you’re applying the Chroma Key or the RGB Difference Key, make sure the Color setting option
shows and do any of the following to select a color to define clip transparency:
• Click the color swatch and use the Adobe Color Picker to select a color, and then click OK to close the Color
Picker.