Abstract
Owing to a steep rise in urban population, there has been a continuous growth in construction of buildings, public or private transport like cars, motorbikes, trains, and planes at a global level. Hence, urban noise has become a major issue affecting the health and quality of human life. In the current environmental scenario, architectural acoustics has been directed towards controlling and manipulating sound waves at a desired level. Structural engineers and designers are moving towards green technologies, which may help improve the overall comfort level of residents. A variety of conventional sound absorbing materials are being used to reduce noise, but attenuation of low-frequency noise still remains a challenge. Recently, acoustic metamaterials that enable low-frequency sound manipulation, mitigation, and control have been widely used for architectural acoustics and traffic noise mitigation. This review article provides an overview of the role of acoustic metamaterials for architectural acoustics and road noise mitigation applications. The current challenges and prominent future directions in the field are also highlighted.
Highlights
Noise is an integral part of the working environment and can be produced almost everywhere viz. rooms, industries, roads, airports, transportations, etc
We have explored the viability of acoustic metamaterials for architectural and urban noise mitigation applications
Acoustic metamaterials have shown a great deal of promise for meeting the present day demands for low-to-mid frequency noise mitigation in urban areas
Summary
Noise is an integral part of the working environment and can be produced almost everywhere viz. rooms, industries, roads, airports, transportations, etc. In case of low frequency noise (
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