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Lesson 7. Advanced Effects > Working with keyframes

Working with keyframes

All clips in Premiere Elements can be dynamically modified in the timeline or in the Effect Controls window. Every clip in the timeline has the ability to be modified over time. This involves a concept called keyframing. In the last step, when you added the image pan preset, Premiere Elements automatically created keyframes. The image started in one location, the first keyframe, and ended in a different location, the second keyframe. All Premiere Elements moved the picture from one keyframe to the second keyframe, thereby creating the motion from bottom to top. When you create your own keyframes, you have much more control over the appearance and length of the effect.

About animating effects

When you create a keyframe, you specify the value of an effect property for a specific point in time. When you apply different values to keyframes, Adobe Premiere Elements automatically calculates the values between the keyframes, a process called interpolation. For example, to add a blur effect that increases and decreases over time, you would set three keyframes—the first with no blur, the second with blur, and the third with no blur. Because Adobe Premiere Elements automatically interpolates the blur values between each keyframe, the blur gradually increases between the first and second keyframes and then gradually decreases between the second and third keyframes.

—From Premiere Elements Help



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