Sound is essentially a form of energy that propagates by mechanical vibration through gases, liquids and solids. Energy cannot be destroyed, only converted to another form, so to 'lose' sound energy you have to make it do work that will convert the energy to heat. The reason why sound doesn't simply continue forever is twofold:
Firstly, the so-called inverse square law means that sound reduces in level the further it travels from the source (simply because it is being shared over a larger area).
Secondly, sound is progressively absorbed (and converted into heat) by any surfaces that it encounters and by the air that it passes through. (By the way, because we don't need a lot of acoustic energy to produce a subjectively loud sound, the heating effect of sound absorption in a typical studio can be considered to be negligible.)
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- Pack of 12. Covers 12 sq. ft.
- Effective against standing waves and flutter echoes in most small-to-medium sized rooms.
- For use in vocal booths, control rooms and studios. Overall NRC: 0.65
- Functions as a full frequency bandwidth absorber for any size room when used in conjunction with corner bass absorbers and male/female broadband absorbers.
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