audio to midi converter converts digitized music and mp3 into midi sequences - and unlike other programs it can process polyphonic music (that is having many tones or voices). what takes several hours of hard work even for a well-trained musician will be a matter of some few minutes for this software. it can operate in two recognition modes: off-line and real-time. in off-line mode, it creates midi sequences from input files such as mp3s or audio cd tracks (mp3 to midi , cd to midi converter). this gives you numerous possibilities: upload your favorite melody to your web page play it on your cell phone use it in your midi instrument for training or for background use it in a midi editor (and thus print your midi files as musical notation) make a preview of your mp3 collection (saves traffic on your web site) in real-time mode,it instantly converts music coming through microphone or line input of your computer into a midi sequence(record sounds to mid). think of this mode as a powerful music processor, which allows some non-midi instrument (like a guitar) to sound as a violin or a piano or whatever instrument you've got in your mid synthesizer.