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Chapter 9. Designing with Audio > Using Expressions with Audio

Using Expressions with Audio

If you’ve ever used expressions in After Effects, you know they can be easy to apply with the pick whip and can often provide solutions to animation problems that can’t be solved any other way. However, many find the “math-like” scripting of expressions to be a turn-off.

But trust us; expressions are worth it and they don’t have to be hard. With expressions and audio, you can literally drive the animation of a graphic element with the attributes of an audio channel. Using a simple pick whip, you can choose the parts of the sound you want to use and drive an animation. But before you can use the pick whip, you must prepare the audio by converting the audio into keyframes.


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