ARCHITECTURAL ACOUSTICS, AIRCRAFT NOISE ASSESSMENT, COMMUNITY NOISE SURVEYS, ELECTROACOUSTICAL SYSTEM DESIGN, ENVIRONMENTAL IMPACT STATEMENTS, EXPERT WITNESS, FIELD TESTING, FORENSIC ACOUSTICS, INDUSTRIAL NOISE CONTROL, MECHANICAL SYSTEM AND HVAC, OPEN-PLAN OFFICE ACOUSTICAL DESIGN, THEATER AND CONCERT HALLS, TRANSPORTATION NOISE CONTROL, VIBRATION ANALYSIS AND CONTROL