There are several methods for pitch tracking of audio inputs that reach up to 99.9% accuracy on certain datasets. CREPE and pYin are just about state of the art

There are several methods for pitch tracking of audio inputs that reach up to 99.9% accuracy on certain datasets. CREPE and pYin are just about state of the art. Granted they don’t have a batteries included way of doing real-time voice-to-midi but it’s more an issue of packaging. Electroglottography is cool but isn’t necessary for this task.