To be less of a cynical idgit, here's some cool future tech that does work--not great, I imagine, but getting better and could certainly be employed to keep the

To be less of a cynical idgit, here's some cool future tech that does work--not great, I imagine, but getting better and could certainly be employed to keep the sounds you emit localized to a single point (controlling/defining the point might be tricky, and would require the listener to stay stock-still): ‘Audible enclaves’ could enable private listening without headphones - https://www.psu.edu/news/engineering/story/audible-enclaves-could-enable-private-listening-without-headphones https://www.psu.edu/news/engineering/story/audible-enclaves-...