Room acoustics

Room acoustics desribes how sound behaves in an enclosed space.

The way that sound behaves in a room can be broken up into roughly four different frequency zones. The first zone is below the frequency that has a wavelength of twice the longest length of the room. In this zone sound behaves very much like changes in static air pressure. Above that zone, until the frequency approximately = 11,250(RT60/V)^1/2, wavelengths are compareable to the dimesions of the room, and so room resonances dominate. The third region which extends approximatly 2 octaves is a transition to the forth zone. In the forth zone sounds behave like rays of light bouncing around the room.

see also : Reverberation

Not to be confused with noise control[?] or sound proofing.

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