http://www.innerearmag.com/commentary/T ... lled.shtml
Acoustics is a word derived from the Greek word Acouin — to hear — and it's a complex science quite evident when we look at some of the famous concert halls — the good ones and the bad ones. We have a fairly deficient one right here in Toronto — Roy Thompson Hall — and we have a few real good ones as well — the old Massey Hall and the Living Arts Centre in Mississauga, a suburb of Toronto. I can't understand why Roy Thompson — built in 1992 — wasn't designed properly; after all, 20th century's technology made analyzing acoustic properties as easy as a decent spectrum analyzer. Many more measuring instruments and computer programs are now obtainable, but, sadly, they lack the most sophisticated tool needed to get acoustics right — ears. A dog’s ears would be great, but human ears will do just fine. Roy Thompson Hall is a nice building to be sure, but it is a terrible listening environment; and yours could be too, if you don't follow very basic rules and don't use the very best measuring devices possible — ears.
To correct the problem in any listening environment, a bit of logic, lots of patience and some furniture may well be all you need.