There are plenty of treatments that can be added to a ceiling to damp reflections. Google them to see. Also, a heavy carpert/pad on the floor will go a long way towards killing ceiling-floor reflections.
The *best* way to go, but more expensive, is to have a gradually sloping ceiling so that it does not present a flat, reflective surface opposed to the floor...
-RW-
The *best* way to go, but more expensive, is to have a gradually sloping ceiling so that it does not present a flat, reflective surface opposed to the floor...
-RW-