The Aqualizer was originally made for a research on sound filters we had to make for mathematics at high school. A research paper preceded the actual making of the Aqualizer, and it deals with the necessary mathematics to come to a sound filter. This research paper is freely available; in fact, you can find it here. (pdf) However, we do have to warn you that it might not be the easiest thing to read if you are not a mathematician, programmer, scientist or otherwise involved in the subject. Moreover, it is in Dutch.
Josse van Dobben de Bruyn and Jelle van Mourik
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