On Mon, Feb 1, 2010 at 10:19 PM, <mike@michaelplishka.com> wrote: > http://en.wikipedia.org/wiki/Wavelet_series#Wavelet_transform > > Wavelet transforms of whale and dolphin song: > http://www.newscientist.com/gallery/whalesong-art Thank you for the interesting links. I wasn't sure if "transform" or "tranform" was correct since the original post used both words. Made me think about the game to cover a drum skin with sand and play a note in the room to watch the pattern forming by sympathetic mechanical vibrations. Greetings from Sweden Per Boysen www.boysen.se www.perboysen.com