Apple Final Cut Pro 7 - Manual (Page 1163)

Using the Speed Parameter in the Motion Tab
While the various speed adjustment methods allow you to make speed adjustments to
clips quickly, you can also make very precise adjustments to a clip’s speed using the
keyframe graph in the Speed parameter in the Motion tab of the Viewer. In particular,
editing the keyframe graph is the only way to customize keyframe velocity, easing the
transition from one keyframe to another using smoothed keyframes with Bezier handles.
For more general information about settings in the Motion tab, see
“Adjusting Parameters
in the Motion Tab.”
Last frame of clip
First frame of clip
Length of clip’s media file
(in frames)
• Speed % field: This field displays the speed percentage at which the clip plays back. If
a constant speed change is applied, this percentage represents the speed for the entire
clip. If speed keyframes (and speed segments) are applied, this field displays the speed
of the clip at the current playhead position.
• Speed keyframe graph area: Use this area to apply and adjust speed keyframes. You can
ease the transition from one keyframe to another using smoothed keyframes with
Bezier handles.
For specific information about the Speed keyframe graph area, see “About the Speed
Keyframe Graph Area.” For information about adding and adjusting keyframes in any
Motion tab keyframe graph area, see “Adjusting Parameters for Keyframed Effects.”
About the Speed Keyframe Graph Area
This section provides some background information on how to use the Speed keyframe
graph area.
The Y Axis
The y axis represents the frame numbers of a clip’s media file. For example, if a clip’s
media file contains 300 frames, the y axis ranges from 0 (the first media file frame) to 299
(the last media file frame).
1163 Chapter 69 Changing Clip Speed