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Consumer Electronics by S. P. Bali

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LIVE ROOMS

Live rooms are those with a great deal of resonance. The best example of a live room is a tile-lined bathroom. The hard smooth surfaces of the tiles reflect sound almost as well as mirrors reflect light. The constant and repeated reflection of sound from one hard wall to the other, with little absorption, builds up the sound around the ear. This quality of room liveness is a function of the room's normal mode of vibration. Such a room may be detrimental to smooth audio reproduction.

The reflection of sound from one wall to the other and the room's normal mode of vibration set up hot spots and null spots of sound energy for different frequencies and for different areas of the room. Rooms vibrate and respond most readily to low frequencies. ...

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