Constant C.J.M. Hak

Constant C.J.M. Hak is an Assistant Professor in the Building Acoustics research group within the Department of the Built Environment at Eindhoven University of Technology (TU/e). His work focuses on reducing adverse health effects from human-induced noise and promoting positively perceived sound environments through computational and experimental acoustic methods.

Specializing in room and hall acoustics, Hak develops advanced acoustic measurement techniques based on impulse responses. His research includes analyzing orchestra members' influence on stage acoustics across five concert halls and developing methods for impulse response measurements in open-air theaters. Software and equipment he has developed are used globally for research and engineering applications.

His publication trends reveal consistent contributions to architectural acoustics, with recent work emphasizing sensor-based environmental quality assessment, plasma-acoustic interactions, and stage/orchestra pit acoustics optimization. Key research areas span reverberation physics, sound energy engineering, impulse response analysis, and theater acoustics, reflecting his fingerprint in Room Acoustics (100%), Reverberation (78%), and Directivity (75%).

Hak teaches courses including Acoustic Awareness, Architectural Acoustics, and Masterprojects in Building Performance Systems. His supervised work encompasses 41 projects, including the 1987 master's thesis De grote zaal in het auditorium van de Technische Universiteit Eindhoven co-authored with J.P.M. Hak.

His research contributes to UN Sustainable Development Goals related to sustainable cities and communities, with applications in noise pollution reduction and built environment optimization.