Projector Screen Living Room Ideas . The sound is hidden behind the decorative speaker grills and front lower section of the projection screen wall. See more ideas about projector screen, home theater rooms, home theater. Pin by VisualFlick on Projector Screen Living room Home theater setup from www.pinterest.com We covered the walls with fire treated fabric panels to improve the sound quality and we installed a 135 motorized film screen and a 3d projector. Some cost more than $100k. 100 inches | aspect ratio: