Guess it's old habits dying hard stemming from the job I was in for around 30yrs (pharmacy) was why I was making gentle enquiry....
Working with jet engines as well as well metal/body work, the long term exposure to those intensity of sounds, I not surprised it's ended up shanking your auditory nerves and associated receptors. I understand that there are many causes of tinnitus with various types of manifestations of symptoms. It can be one hell of a bitch to treat that's for sure. I've known people in the past where for some it can be reasonably mananged, but for others it can wear them down. So I can appreciate how general sounds can be triggering and so can be hard to deal with.
I had a feeling that you may have tried various treatment options so I thought I'd hold back mentioning any which you've probably already tried be it various types of therapy or equipment. I was just taking a look, it seems treatment developments is currently pisspoor (at least in the UK) due to lack of reseach and funding. Who knows though, as someone might pick up the baton.
And
@Claudia1794 as well as Finished, have you ever tried any of the various types of apps available? I just came across a listing of them so I'll leave the link here in case it may be of help
https://www.tinnitus.org.uk/mobile-apps-for-the-management-of-tinnitus