Adobe AFTER EFFECTS CS3 PROFESSIONAL User Manual page 229

The original duration of the source footage may no longer be valid when remapping time, because parts of the layer
no longer play at the original rate. If necessary, set a new duration for the layer before you remap time.
As with other layer properties, you can view the values of the Time Remap graph as either a value graph or a speed
graph.
If you remap time and the resulting frame rate is significantly different from the original, the quality of motion within
the layer may suffer. Apply frame blending to improve slow- or fast-motion effects.
Note: Use the information shown in the Info panel to guide you as you work with time-remapping. The ratio given in
the units of seconds/sec indicates the current speed of playback—the number of seconds of the original layer being played
for each second after time-remapping.
See also
"About animation, keyframes, and expressions" on page 185
"Work with the Graph Editor" on page 186
Time-remap a layer
You can time-remap all or part of a layer. For example, you can time-remap a frame at the beginning or end of the
layer, creating a freeze-frame result, or you can time-remap frames in the middle of the layer, creating a slow-motion
result that only lasts for a few seconds.
See also
"About animation, keyframes, and expressions" on page 185
"Work with the Graph Editor" on page 186
Freeze the first frame without changing the speed
In a Composition or Timeline panel, select the layer you want to remap.
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2 Choose Layer > Time > Enable Time Remapping.
Move the current-time indicator to where you want the movie to begin.
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Click the Time Remap property name to select the start and end keyframes.
4
Drag the first keyframe to the current-time indicator, which moves the start and end keyframes. (If you are
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working in the Graph Editor, drag the bounding box—not the keyframe or a handle—so that both keyframes move.)
Remap time using the Graph Editor
To switch between Graph Editor mode and layer bar mode, press Shift+F3.
In a Composition or Timeline panel, select the layer you want to remap.
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2 Choose Layer > Time > Enable Time Remapping.
In the Timeline panel, click the name of the Time Remap property to select it.
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4 Move the current-time indicator to the time at which to add a keyframe, and click the keyframe button
keyframe navigator to add a keyframe.
In the Graph Editor, drag the keyframe marker up or down, watching the Time Remap value as you drag. To snap
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to other keyframes, Shift-drag.
AFTER EFFECTS CS3 223
User Guide
in the