Profile: Cambridge Sound Management, LLC specializes in sound masking, speech privacy, white noise, and workplace acoustics. Our brands include Oasis Speech Privacy Systems™, and Sonet Acoustic Privacy System™. Qt Quiet technology™ is a distributed audio system for sound masking, paging and music distribution in a turnkey package. Our Oasis Qt™ is a plug & play, direct-field sound masking system. Sonet Qt™ is an individual speech privacy system based on Qt Quiet technology™, consisting of two emitters and a volume control module that is plugged into any wall outlet.