Whale Song and Wavelets

 American engineer Mark Fischer recorded whale songs and dolphin calls. Then he transformed the recordings into visuals using a mathematical tool called "wavelets."

Here are his pretty pictures:

See more here: http://www.telegraph.co.uk/news/science/picture-galleries/6644756/Whale-song-art-dolphin-calls-turned-into-kaleidoscopic-patterns-using-wavelets.html