Author: Bubalooy
Date: 2014-05-29 01:51
I had a similar problem. I think many of the suggestions here will not help you. Egg cartons don't work. There is a difference between sound absorbing materials and sound blocking. I you don't want the sound to leave the room, you need sound blocking. This means you need dense materials on the walls, floors, ceiling and door. A really good door is almost certain to help. Hollow core doors block almost no sound. I had great success just changing to a high quality sound proof door. Air ducts are another problem. Think of the room as being full of water. Where would the water go? That's where the sound goes. Covering air ducts with a sound blocking material, such as dry wall, will help. In the worst case, you'll have to build a room within a room. Dry wall is a good sound blocker, but it may be loud in the room. For that, you need sound absorbing material such as cellulose, or foam. These convert the energy of the sound into heat., However, they won't do a lot in terms of stopping sound from leaving the room. They do, however reduce echo.
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