There are times that I also find noises annoying. It is like they are grating on my nerves. Especially the sounds of people chewing and crunching. I think it is part of my PTSD and hypersensitivity. When I am in class I notice that noises from the hall can drive me nuts. It sounds like the person is right next to me even though they are in the hall. I don't know what to do about it, but thought I would also let you know you are not alone in this.