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I am starting to learn how the scripting language in After Effects works. Tonight, I went out and shot about 6 seconds of time lapse footage with my CHDK hacked Canon A640.
I dropped these frames into AE CS3 and then created a little drum loop.
Using AE’s expression controls I was able to convert the audio into a series of keyframes that I applied to the scale (size) of the images. This creates the visual pulse to the beat.
It was a very basic experiment … but it proves to me that I can do some very interesting thing by creating audio for the sole purpose of altering video.