Branch of engineering dealing with sound and vibration
Acoustical engineering (also known as acoustic engineering) is the branch of engineering dealing with sound and vibration. It includes the application of acoustics, the science of sound and vibration, in technology. Acoustical engineers are typically concerned with the design, analysis and control of sound.
One goal of acoustical engineering can be the reduction of unwanted noise, which is referred to as noise control. Unwanted noise can have significant impacts on animal and human health and well-being, reduce attainment by students in schools, and cause hearing loss.[1] Noise control principles are implemented into technology and design in a variety of ways, including control by redesigning sound sources, the design of noise barriers, sound absorbers, suppressors, and buffer zones, and the use of hearing protection (earmuffs or earplugs).
The transparent baffles inside this auditorium were installed to optimise sound projection and reproduction, key factors in acoustical engineering.
Besides noise control, acoustical engineering also covers positive uses of sound, such as the use of ultrasound in medicine, programming digital synthesizers, designing concert halls to enhance the sound of orchestras[2] and specifying railway station sound systems so that announcements are intelligible.[3]
^World Health Organization (2011). Burden of disease from environmental noise(PDF). WHO. ISBN 978-92-890-0229-5.
^Barron, Michael (2009). Auditorium Acoustics and Architectural Design. Taylor & Francis. ISBN 978-0419245100.
^Ahnert, Wolfgang (2000). Sound Reinforcement Engineering: Fundamentals and Practice. ISBN 978-0415238700.
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