目前较好用的应该是SmartScore，比MidiScan好。
RELEASE NOTES：
Integrated music scanning, scoring & MIDI sequencing with recognition intelligence. Faster and more accurate than Midiscan. Recognizes and plays back repeats, dynamics and articulations. Automatic recognition and display of contrapuntal voices with direct voice-to-MIDI channel linking. Automatic instrument assignments according to number of staves. Aumatic linking of collapsing and expanding parts to MIDI tracks. Maintains playback continuity Intelligent control of instrumental parts including logical part linking of Parts (even irregular systems) to MIDI Tracks. Export SmartScore files to Coda FINALE 2000 and much more. (http://www.smartscore.com).