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Adobe After Effects: Creating an Audio LED Meter using Motion Math and Expressions in After Effects

Chapter: Compositing Tools and Techniques

Topic: Scripting or Expressions

In this tutorial, Roland Kahlenberg demonstrates creating an ‘as real as you want it to be’ audio LED meter using Motion Math and Expressions. At the bottom of the page is a sample of its use in Roland’s demo reel — just to give you a ‘real world’ example. Prerequisites – Stuff you should know before attempting to follow through with this tutorial. 1. Expression Basics including vector Math addition and subtraction 2. Applying MotionMath (There’s an Expression script provided below for those without the PB)

http://www.creativecow.net/articles/kahlenberg_roland/led/index.html

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