Acentech, founded in 1948, is a multidisciplinary acoustical consulting firm with offices in Cambridge, Mass., Trevose, Pa. and Thousand Oaks, Calif. The company s consultants have expertise in all areas of acoustics, offering services to engineers, architects and designers. It specializes in architectural acoustics, audiovisual and sound system design, noise and vibration control, environmental and industrial acoustics, information technology infrastructure, product design and diagnostics and product noise and vibration control. The firm also designs masking systems, produces contract drawings and specifications suitable for bid by qualified sound system contractors, review and approves bid, shop drawing submittals and checkout installed systems.