Houdini midi and audio tests

Houdini midi and audio tests from Vincent Houzé on Vimeo.

http://www.sidefx.com/docs/houdini9.5/nodes/chop/midiin
http://www.sidefx.com/docs/houdini9.5/nodes/chop/midiout

http://www.foliativ.net/book/index.php?post/2008/08/14/Houdini-Procedural-Animation-Tests