ARCHITECTURAL ACOUSTICS, AIRCRAFT NOISE ASSESSMENT, COMMUNITY NOISE SURVEYS, ELECTROACOUSTICAL SYSTEM DESIGN, ENVIRONMENTAL IMPACT STATEMENTS, EXPERT WITNESS, FIELD TESTING, INDUSTRIAL NOISE CONTROL, MECHANICAL SYSTEM AND HVAC, MULTIMEDIA AND TV SYST EMS DESIGN, OPEN-PLAN OFFICE ACOUSTICAL DESIGN, PRODUCT NOISE CONTROL, PRODUCT SOUND DESIGN, SEISMIC RESPONSE ANALYSIS, THEATER AND CONCERT HALLS, TRANSPORTATION NOISE CONTROL, VIBRATION ANALYSIS AND CONTROL,