Cambridge Sound Management, Inc. manufactures QtPro and Dynasound sound masking systems to help organizations across multiple industries protect speech privacy, reduce noise distractions, and fuel workplace productivity. Its next-generation sound masking systems work by emitting a uniform, barely perceptible background sound at the frequencies of human speech. The systems also include office paging and background music capabilities to help facilities meet all of their masking and audio needs with one affordable system. (less)