Sound-controlled animation

How-to
By published

Using Flash's built-in sound analyser, Matt Booth shows you how to make your animation bounce to the beat of an imported song.

With the introduction of the SoundMixer.computeSpectrum to Flash, we can now analyse the wave form of imported sounds or songs to create countless visual effects.

In this tutorial, we'll lay out a scene in Photoshop, import its parts into Flash then use the data of an imported song (of your choice, given the filename song.mp3) to make a ghetto blaster bounce, its graphic equaliser move and its speakers boom. All this animation is controlled by your chosen music.

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