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originally posted by: Stngray
None of these things mentioned will keep sound out of the room, but will minimize its effects once it gets in there. Anything that increases mass and adds irregularities to the box shape of the room will decrease these effects. Throw rugs, furniture and pillows. Hearos brand earplugs are the best I have found for sleeping. If you want to keep sound out look at it as making the room airtight. Anything air can move through, so will sound. Under doors, leaky windows. The other way sound gets in is through the structure of the walls itself. To keep that out you are looking at physical isolation and increasing mass, which is big bucks.