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RE: room treatment question

Posted by David Aiken (A) on November 4, 2010 at 12:54:35

In Reply to: room treatment question posted by farfetched on November 4, 2010 at 12:07:18:

Sure, it's the listening position that counts.

But, peaks and dips in the bass frequencies are reflection phenomena which you reduce by absorption and the best place to put the absorbers so that they work most effectively at those frequencies is in the room corners. Sure, their effect is room wide but there's no way with physical treatments to fix just the listening area and leave the rest of the room "untouched". Any physical room treatment is going to have an effect across the whole room.

You can use electronic room correction to correct some things like frequency response for just the listening area, and a lot of HT gear now has that technology built in. The problem is that electronic correction doesn't correct other aspects of sound in the room which cause problems and physical treatments can correct for those aspects. Where you place the physical treatments to correct some of those other problems (if, for example, you're treating first reflections) will vary depending on where you put the speakers and listening position in the room and the placement of those treatments will have maximum benefit at the listening position as a result.

It's just that, because of the way sound behaves in a room, the best place to put bass traps in order to smooth frequency response at bass frequencies is at the junction of 2 or, even better 3, room surfaces and as a matter of fact in most rooms, the best place to do that is vertically in the 4 room corners. That's not the case for some other issues as I noted above, but it is for bass response.






David Aiken

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