Melodyne works really well for extracting actual sheet music for polyphonic audio Here is a demo: http://www.youtube.com/watch?v=jFCjv4_jqAY http://www.youtube

Melodyne works really well for extracting actual sheet music for polyphonic audio Here is a demo: http://www.youtube.com/watch?v=jFCjv4_jqAY http://www.youtube.com/watch?v=jFCjv4_jqAY It works best with single-instrument signals - not so much with a mix of multiple instruments.