"The definition of Acoustic Studio foam is acoustical absorbers, diffusors, sound barriers, construction materials, isolation platforms and complete room treatment systems."
Material used for changing how sound travels in an enclosed area. Most often used for soundproofing or absorbing echoes and vibrations in a sound studio or auditorium. i. e. egg crate
The density of acoustic foam typically ranges from 1 to 3 pounds per cubic foot (16 to 48 kilograms per cubic meter).
May be PU foam.
Acoustic foam is used to sound proof rooms. It is often used in musical rehearsal rooms or production studios but it can also be used in the home to provide a noise barrier.
Some alternatives to acoustic foam for soundproofing a room include using soundproof curtains, soundproof panels, bass traps, diffusers, and acoustic tiles. These materials can help reduce noise and improve sound quality in a room.
Experts say it is just not the foam that's important, but the mixture of a good foam and acoustic materials. Check out soundprooffoam.com for all your soundproofing needs.
foambymail.com is the cheapest place i have found.
It is sound energy.
The Making of Siberia Acoustic - 2013 Lights in Studio 1-1 was released on: USA: 2 May 2013
To deaden the room making it a more accurate mixing environment
Cheap studio foam can be found at almost any local music store. They have professional stock and beginners grade foams to perfectly fit your needs and budget.
Here are some instructions: http://www.ehow.com/how_5142744_install-acoustic-foam.html There is a good guide to that here http://www.ehow.com/how_5142744_install-acoustic-foam.html