The web tool is fun! I decided to give it a harder test and turned up some fans and background music up pretty loud and it still managed to decode the message.

The web tool is fun! I decided to give it a harder test and turned up some fans and background music up pretty loud and it still managed to decode the message. Though after a certain point it stops recognizing it, I was still surprised how well it did with noise. I'm sure noise in higher frequencies (or the right harmonics) would be much harder to handle, but solvable in interesting ways too