Too much noise is irritating for just about anyone, but for survivors of trauma, excess noise can be debilitating. There are people in PTSD treatment who can be triggered by environmental noise. If your home has enough ambient sound bouncing around to make you edgy, be aware that there are simple ways to reduce your noise-related stress.
The right soundproofing material can make a major difference. Not only are sound dampening panels easy to put up, but they are well designed. If you want your home theater to look great, then using a decorative wall felt is your best bet.