Audio Analysis w/Expressions

This is an experiment to analyze various frequencies of the given audio file in After Effects without using any 3rd Party Plugins. The Particle reactor is build using CC Ball Action and the wave map is generated using 'Wave World' in After Effects. Audio analysis is done using 'Audio Spectrum' effect and sampleImage() expressions.

Audio: 'Kitchen Sink' by Amon Tobin

Tutorial:

http://ae.tutsplus.com/tutorials/motion-graphics/create-a-sound-reacting-3d-waveform-animation-without-3rd-party-plugins/