Start with dense, floor-to-ceiling curtains on layered tracks, complementing a padded headboard and plush rug under the bed. Weatherstrip the door and add an automatic drop bottom. If traffic intrudes, try laminated glass or an interior insert. Keep bedside fans or soft soundscapes as gentle, situational masking.
Aim for quick decay without muting energy. Combine a large wool rug, soft throws, and a bookcase that doubles as diffusion. Hang art-panel absorbers opposite primary reflection points. Add felt pads under objects, hush door hardware, and embrace plants, which scatter highs while keeping the room lively.
Floor-sweeping curtains with heavy lining tame reflections while framing windows with cinematic presence. Thick wool rugs under key seating anchor voices. Upholstered wall panels add softness without clutter. Follow a palette that suits your architecture, letting quietness feel like part of the room’s original character.
Irregular book spines scatter mid and high frequencies, transforming shelves into natural diffusers. Deep sofas with dense cushions absorb energy at conversation height. Break up long, reflective walls with credenzas and art. It feels curated, not technical, yet dramatically raises comfort during lively gatherings.