Forgot to mention that, but: same here. Both ears, multiple rather clean tones (i.e. sine waves) n both ears, different tones per ear. I always assumed I was 'lucky' to get it even before puberty when the brain is more plastic still, so learned to ignore it. Stress and other things can bring it back though.

> So e.g right now because I saw this HN post, it's feeling especially loud.

Exactly..