Here are a few thoughts on how we might intrinsically evaluate BowTIE's effects, which I pitched to Ashkan Rezaei, a fellow music informatics enthusiast in the CS Department at UIC.
Dear Ashkan:
I don't know if this will interest you, but I just restarted a project involving an long-idle open-source project of mine called BowTIE.
The basic idea behind this tool is that a trumpeter's "mental practice" time away from the horn can be enhanced with audio feedback. The system was originally designed with the idea of enhancing transposing skills, but it may have broader application to practice in general.
The basic plan is to port this old project to mobile touch-screen platforms (probably for tablet form factors) and then do controlled experiments with a few trumpeters to see if we can measure any benefit.
Measuring the benefit is where I think you might come in. In my mind, evaluation must be done by listening to subjects' actually playing the pieces being studied. To make this as precise as possible, translating their monophonic audio performance to MIDI would be very useful. I could use your help in constructing (or selecting) an appropriate system for doing this and in defining a specific evaluation methodology. This might be a useful baby step toward tangling with the much thornier polyphonic transcription problem, which I think is a significant part of what you want to investigate.
Here are a few theses that seem to declare the monophonic transcription problem solved:
Please let me know if you want to pursue this idea. More hands make light work.
Thanks,
Dave
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