SAN FRANCISCO, CA – Charles M. Salter Associates, Inc., an acoustical, audiovisual system design, and telecommunications consulting firm, is pleased to announce the promotions of Christopher Peltier and Ethan Salter to Principal Consultant.

Christopher A. Peltier, P.E., an acoustical consultant with Charles M. Salter Associates since 2001, specializes in mechanical noise and vibration reduction, environmental noise studies, architectural acoustics, and audio forensics. Peltier also has a background in IT and teledata infrastructure and consults on an array of projects including entertainment studios, housing, educational facilities, and office buildings. Lucas Arts Expansion, Armand Hammer Billy Wilder Theater, One Rincon Hill Towers, CSU Monterey Bay Library, and VMware Palo Alto Offices are some of his notable projects.Peltier is a member of the American Society of Mechanical Engineers; Institute of Noise Control Engineers; American Society of Heating, Refrigerating and Air-Conditioning Engineers; and a Technical Committee Member of the Audio Engineering Society. Additionally, he coauthored “Acoustic Signal Analysis for Forensic Applications,� published in the Journal of the Acoustical Society of America. Peltier earned his Bachelor of Science degree in Mechanical Engineering from California Polytechnic State University, San Luis Obispo.

Ethan C. Salter, LEED AP has been an acoustical consultant with Charles M. Salter Associates since 2002. His areas of expertise include architectural acoustics, environmental noise impact assessments, and noise control engineering for offices, civic projects, residences, and educational facilities nationwide. Since achieving LEED accreditation in October 2006, he has participated in several LEED/sustainable projects, including Alameda County Waste Management District (Stopwaste.org); David Brower Center; Emory Center for Health, Discovery, and Well-Being; Terrazzo Mixed-Use in Nashville; and Marin Country Day School. Salter’s commitment to sustainable design includes his membership in the local chapter of the United States Green Building Council. In addition, he is involved with the American Institute of Architects, San Francisco Planning and Urban Research Institute, Institute of Noise Control Engineers, and the Acoustical Society of America. His paper “Achieving acoustical satisfaction in a green building� has been published in The Journal of the Acoustical Society of America. Salter received his Bachelor of Science degree in Industrial Technology from California Polytechnic State University, San Luis Obispo.

Charles M. Salter Associates (www.cmsalter.com) has been a leader in acoustical engineering since 1975. With offices in San Francisco and San Jose, they are involved in over 900 projects per year in eight major service areas.