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Originally Posted by Rokus666  I am very puzzled by this enigma of acoustic treatment. |
It's really not that complicated. All rooms need:
* Broadband (not tuned) bass traps straddling as many corners as you can manage, including the wall-ceiling corners. More bass traps on the rear wall behind helps even further. You simply cannot have too much bass trapping. Real bass trapping, that is - thin foam and thin fiberglass don't work to a low enough frequency.
* Mid/high frequency absorption at the first reflection points on the side walls and ceiling.
* Some additional amount of mid/high absorption and/or diffusion on any large areas of bare parallel surfaces, such as opposing walls or the ceiling if the floor is reflective. Diffusion on the rear wall behind you is also useful in larger rooms.
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on the right side of the room there are 5 big glass windows with metal frames. Huge ! BIG problem ??????
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As long as you have absorption at the reflection points, glass behind the absorption doesn't matter. But you also need to slide your setup over so you're centered left and right in the room.
--Ethan