Room Modes

[behringer]

I recall reading some article that room dimensions directly impacts on the standing waves that yield bass peaks and dips. Is there a formula I can use to deternine this? Is that formula applicale to irrgular shaped rooms like an attic?

[Clint DeBoer]

Any non-rectangular room gets weird. Here is a page defining the formula:

http://arts.ucsc.edu/EMS/Music/tech_background/TE-02/modes/Modes.html

and of course we have a pretty good article written about it here:

http://www.audioholics.com/techtips/setup/acoustics/room_modes_Rives.html