Gosh, it’s horrible when people don’t get it! When my family didn’t understand, would make fun, or ignore my requests to stop doing something, I’d describe what I feel as physical pain. People usually don’t want to put you through that, and can understand it better than “sounds bother me”.
I agree with the previous post about asking your parents to have a look at some misophonia websites.
misophonia-association.org
misophonia.com