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dc.contributor.authorLam, Bhanen_US
dc.contributor.authorGan, Woon-Sengen_US
dc.contributor.authorShi, Dongyuanen_US
dc.contributor.authorNishimura, Masaharuen_US
dc.contributor.authorElliott, Stephenen_US
dc.identifier.citationLam, B., Gan, W., Shi, D., Nishimura, M. & Elliott, S. (2021). Ten questions concerning active noise control in the built environment. Building and Environment, 200, 107928-.
dc.description.abstractUrban noise pollution is an omnipresent but often neglected threat to public health that must be addressed urgently. Passive noise control measures, which are less effective at reducing low-frequency noise and are often bulky and may impede airflow. As evidenced in automobiles, active control of cabin noise has resulted in lighter cars due to reduced passive insulation. Despite its long history and recent popularisation by consumer head- phones, the implementation of active noise control in the built environment is still rare. To date, active noise control (ANC) has been demonstrated, at source, in construction machines and, in the transmission path, in noise barriers. Recent demand for naturally-ventilated buildings has also spurred the development of active control solutions at the receiving end, such as on windows. The ten questions aim to demystify the principles of ANC and highlight areas in which environmental noise can be actively mitigated. Since the implementation of active control in the built environment usually involves multiple stakeholders, operational concerns are addressed. To conclude, research gaps are identified that would enable increased adoption of ANC in the built environment. There is also renewed interest in applying intelligent ANC to tackle environmentally complex applications, such as varying noise levels in the earcup of ANC headphones, particularly with the advent of the low-cost, low-power, highly-efficient embedded electronics; advancing speaker technology; and new impetus from digital signal processing and artificial intelligence Algorithms.en_US
dc.description.sponsorshipMinistry of National Development (MND)en_US
dc.description.sponsorshipNational Research Foundation (NRF)en_US
dc.relation.ispartofBuilding and Environmenten_US
dc.rights© 2021 Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license.en_US
dc.subjectEngineering::Electrical and electronic engineeringen_US
dc.titleTen questions concerning active noise control in the built environmenten_US
dc.typeJournal Articleen
dc.contributor.schoolSchool of Electrical and Electronic Engineeringen_US
dc.contributor.researchSmart Nation Translational Laboratoryen_US
dc.description.versionPublished versionen_US
dc.subject.keywordsNatural Ventilationen_US
dc.subject.keywordsActive and Passive Noise Controlen_US
dc.subject.keywordsNoise Control Applicationsen_US
dc.description.acknowledgementThis research is supported by the Singapore Ministry of National Development and the National Research Foundation, Prime Minister’s Office under the Cities of Tomorrow (CoT) Research Programme (CoT Award No. COT-V4-2019-1). Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not reflect the views of the Singapore Ministry of National Development and National Research Foundation, Prime Minister’s Office, Singapore.en_US
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