Use sound-proof curtains or blankets: Sound-proof curtains and blankets are relatively simple sound-proof methods, which can effectively reduce sound transmission. Hanging sound-proof curtains or blankets at windows or doorways can effectively prevent external noise from entering the room and reduce the spread of indoor sound.
Install sound insulation board or sound insulation cotton: Sound insulation board or sound insulation cotton is a kind of material specially used for sound insulation, which can effectively absorb sound and reduce sound transmission. Installing soundproof board or soundproof cotton on indoor wall or ceiling can effectively reduce indoor noise and disturb neighbors.
Use sound-proof headphones or earplugs: Sound-proof headphones and earplugs are a sound-proof method for personal use, which can effectively isolate external noise. If you are in public places, such as offices and libraries, using earplugs can effectively reduce the surrounding noise interference and improve the efficiency of work and study.
Install soundproof doors or soundproof windows: soundproof doors and soundproof windows are special doors and windows for soundproof, which can effectively reduce the spread of indoor noise and external noise. In the room that needs sound insulation, you can consider installing sound insulation doors or windows to achieve sound insulation effect.
Generally speaking, the above measures can effectively sound insulation without damaging the wall. However, it should be noted that the sound insulation effect of the above methods is not absolute, and it can only reduce the spread of noise to a certain extent. If higher sound insulation effect is needed, the room may need to be completely soundproofed, and then the walls, ceiling and floor may need to be modified.