ARCHITECTURAL ACOUSTICS, AUDIOVISUAL DESIGN, COMMUNITY NOISE SURVEYS, AIRCRAFT NOISE ASSESSMENT, EXPERT WITNESS, FIELD TESTING, FORENSIC ACOUSTICS, HEARING CONSERVATION SERVICE, INDUSTRIAL NOISE CONTROL, MECHANICAL SYSTEM AND HVAC, OPEN-PLAN OFFICE A COUSTICAL DESIGN,PRODUCT NOISE CONTROL, PRODUCT SOUND DESIGN, THEATER AND CONCERT HALLS, TRANSPORTATION NOISE CONTROL, UNDERWATER ACOUSTICS, VIBRATION ANALYSIS AND CONTROL