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Chapter 10. Adding Effects > Understanding Interpolation

Understanding Interpolation

The beauty of keyframes is that they save you work. If you set the keyframes, Premiere Elements calculates the values for the frames in between, a process known as interpolation. Controlling the interpolation between keyframes allows you to set fewer keyframes than you could otherwise—without sacrificing precise control over your animation. Premiere Elements interpolates values in terms of both space and time:

Spatial interpolation

Spatial interpolation refers to the way Premiere Elements calculates changes in position. Does a clip proceed directly from one keyframe to the next, or does it take a curved route (Figures 10.92 and 10.93)?


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