The present invention aims at the production of musical sounds by calculating motion data based on inputted image data using a simple technique without preliminarily preparing playing information or the like and by producing musical sounds based on the calculated data. A musical sound producing apparatus...http://www.google.de/patents/US20080289482?utm_source=gb-gplus-sharePatent US20080289482 - Musical Sound Producing Apparatus, Musical Sound Producing Method, Musical Sound Producing Program, and Recording Medium
