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Fair warning, any attempts in this area will have to take your individual ear shape into account to be accurate. Our brains have learned how sounds change based on the frequency changes due to our individual ear shapes, and any software that wants to emulate true spatial sound will have to take this into account.

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This sounds like a very interesting project, especially if it could be done just by taking pictures of both your ears (I'm not sure if that's sufficient to capture all of the topology.) Generating a sufficiently large dataset to learn how that topology relates to sound perception sounds incredibly expensive though.

Sure, but I'd bet that accounting for a handful of shapes (maybe less than 10) could cover 90% of the differences. We've applied that principle to everything else in the body pretty well so far. It will take a good bit of time to figure out what those shapes might be though.

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