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SCOTT R. RIEDEL & ASSOCIATES, LTD., Acoustic and Organ Consultants, based in Milwaukee, Wisconsin, announce additions and changes to their staff of acoustical engineers and architectural associates.

The new lead acoustical engineer and head of acoustical testing services is Craig R. Schaefer. His specialties include acoustical testing and analysis, acoustical modeling, acoustical and architectural design, noise control engineering, technical writing, and a variety of CAD and 3D modeling software aided design processes. Craig holds a bachelor's degree in architecture from the University of Wisconsin-Milwaukee as well as a master's degree in architectural acoustics from Rensselaer Polytechnic University (RPI) in Troy, New York. Craig's pioneering research developments at RPI made it possible for the first time in architectural acoustics work to visualize sound propagations in enclosures in low-frequency ranges by way of animations based on scanned data from his custom designed coupled spaces scale model. His work has been presented at the 159th meeting of the Acoustical Society of America in Baltimore in 2010 and the International Symposium on Room-Acoustics in Melbourne, Australia, in 2010. Prior to joining the Riedel organization, Craig has worked for full service architecture, engineering, and interior design firms. His musical experience includes membership in both church and professional choirs, the Milwaukee Symphony Chorus, and in various chapters of the Barbershop Harmony Society. …