Earlier quoted context omitted.
I've done this. I have a whole collection of over-the-ear ear-protection. I can still hear my co-workers. It also made my tinnitus worse. Thanks though.
You could go the opposite route: good earplugs with good noise canceling over-ear headphones. The advantage of this over the other setup is that the minimum effective volume from music is lower, protecting against tinnitus. I had the same issues and found this setup works well for me. As an added bonus the obvious rigamarole I have to go through when a coworker taps me on the shoulder makes them more likely to send a…
It seems the best solution is to not have loud people around.