Understanding Keyframes
You use keyframes to change the appearance and behavior of an effect over time. A keyframe is a point in the effect at which you can set parameters. Modifying an effect's parameters at various points causes the effect's appearance to vary as it plays. For example, you can add keyframes to a Picture-in-Picture effect and change the position parameters for each keyframe to add movement to the effect.
Standard keyframe indicators appear as triangles in the position bar of the Effect Preview monitor when you select an effect and the Effect Editor is active. You adjust keyframe parameters using the Effect Editor.
For more information, see Using Standard Keyframes.
For the Picture-in-Picture, 3D PIP, and Resize effects, you can increase your control of the way effect parameters change over time using advanced keyframes. With this capability, each keyframeable effect parameter has a separate Timeline track — a keyframe track that opens to display a keyframe graph — where you set and customize keyframes that are independent of other parameters' keyframes. For more information, see Working with Advanced Keyframes.
  You can still select standard keyframes, in which each keyframe affects all parameters. You can also use advanced keyframes as if they were standard keyframes.
The following topics provide information on working with keyframes:
  Using Standard Keyframes
–   Adding a Standard Keyframe
–   Selecting a Standard Keyframe
–   Moving a Standard Keyframe
–   Changing a Standard Keyframe's Parameters
–   Copying and Pasting Standard Keyframe Parameters
–   Deleting a Standard Keyframe
  Working with Advanced Keyframes

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.