I hope we don't get to the point where we can't have real teachers doing this work. Anyway, I do have some experience with this concept back in 1996 with a combination program & hardware package called Amadeus. It would track a student's timing and pitch using the built-in mic. It was more accurate when using a MIDI keyboard. It would give a "grade" as a percentage that the performance matched the music presented on the screen.

I don't know of anything current.


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