ARCHITECTURAL ACOUSTICS, BUILDING ACOUSTICS, CLASSROOM ACOUSTICS, COMMUNITY NOISE, CONSTRUCTION DEFECTS, EXPERT WITNESS, FIELD TESTING (ASTC, AIIC, NIC, ETC. FORENSIC ACOUSTICS, GUNSHOT ANALYSIS, INDUSTRIAL NOISE ASSESSMENT & CONTROL, MECHANICAL SYSTEM AND HVAC, PRODUCT NOISE CONTROL, PRODUCT SOUND DESIGN, PRODUCT SOUND QUALITY, SPEECH INTELLIGIBILITY, RESTAURANT NOISE, THEATER AND CONCERT HALLS, UNDERWATER ACOUSTICS