Acoustic Treatment - AVS Forum | Home Theater Discussions And Reviews
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post #1 of 1 Old 10-12-2009, 03:20 PM - Thread Starter
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Acoustic Treatment
Author: Ethan Winer - RealTraps
A HomeToys Interview

Q: Is acoustic treatment a magical process or is it something that an amateur or DIY audio enthusiast can attempt?

A: Acoustics is not nearly as complicated as some people think. ALL acoustic problems are caused by reflections off the walls, floor, and ceiling. It really is that simple. Therefore, the goal is to absorb those reflections so you hear more of the direct sound from the loudspeakers and less of the room. When bass traps are placed in corners, the response becomes much flatter and bass notes become more articulate. Absorbers at the side-wall and ceiling reflection points reduce the "time smearing" that occurs when reflections arrive a few milliseconds after the direct sound. Diffusors are a third type of treatment, though good ones cost more than absorbers. Diffusors reduce the strength of reflections by scattering sound around the room, rather than reflect it straight back toward the source. This avoids the problems caused by reflections, but without reducing any desired liveness in the room.

Read the complete interview in the latest issue of our eMagazine at
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