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Yes, as general concepts, both can be used for noise absorption but that doesn't mean they work the same way. They can have potentially different absorption levels; different targeted frequencies; different form factors; different areas of use. This page tallies up the absorption coefficients of hundreds of products: ...


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Depending on what you mean by acoustic foam (spray foam or egg-crate type sheets) they are different products meant for different applications with some overlap in function. Rockwool is batt insulation product made to be installed within walls or other structures. It provides good insulation that is not affected by moisture and is not a food source for ...


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I am by no means a professional 'sound guy' but I do enjoy playing my music and movies without any outside noises. It sounds like you are suffering from a similar situation I deal with. Often it's not about preventing 100% sound from coming in, but preventing it from reflecting and propagating. Some common anti-echo techniques I employ are: hang framed ...



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