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Creating Motion Graphics with After Effects, 5th Edition by Trish Meyer, Chris Meyer

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28 Frame Rate Manipulation

Time Stretch, Reverse, and Remap, plus smoothing the result with Frame Blending

Reality is fine, but it’s not always what you want. Sometimes you need a captured movie to play back more quickly, more slowly, or backward, or to stop altogether. After Effects has options to Time Stretch a clip, which gives it a new constant speed, or Time Remap it, which allows the speed to change over time. Both often result in staggered motion compared with the original clip, so at the end of this chapter we will discuss Frame Blending which can help smooth out the result.

Time Stretch

The Time Stretch feature can be used to speed up or slow down video, audio, and nested comp layers. Time stretching affects any animation already applied ...

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