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