Keywords: Acoustics basic room acoustic treatments.JPG Basic Room Acoustic Treatments en wikibooks Adrignola CommonsHelper 2006-03-07 Booby wikibooks en b English Wikibooks Booby Original upload log page en wikibooks Acoustics_basic_room_acoustic_treatments JPG 2006-03-07 23 33 Booby 568×224× 27632 bytes <nowiki></nowiki> Acoustics Wikibook Basic Room Acoustic Treatments |