The fun part of audio is that there's multiple ways to do it. You can use spectrum analysis, impulse response, harmonic frequency, beamforming, triangulation an

The fun part of audio is that there's multiple ways to do it. You can use spectrum analysis, impulse response, harmonic frequency, beamforming, triangulation and more. Some would be easier than others in this situation, but you could technically use any of them to pick this lock.