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