[HTML][HTML] Ten questions concerning active noise control in the built environment

B Lam, WS Gan, DY Shi, M Nishimura, S Elliott - Building and Environment, 2021 - Elsevier
Urban 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 …

[HTML][HTML] Active control of broadband sound through the open aperture of a full-sized domestic window

B Lam, D Shi, WS Gan, SJ Elliott, M Nishimura - Scientific reports, 2020 - nature.com
Shutting the window is usually the last resort in mitigating environmental noise, at the
expense of natural ventilation. We describe an active sound control system fitted onto the …

A frequency-domain output-constrained active noise control algorithm based on an intuitive circulant convolutional penalty factor

D Shi, WS Gan, B Lam, X Shen - IEEE/ACM Transactions on …, 2023 - ieeexplore.ieee.org
Due to their computational efficiency, least mean square (LMS)–based algorithms are still
widely utilized to achieve optimal control in active noise control (ANC) applications. Real …

Active control of sound through full-sized open windows

B Lam, C Shi, D Shi, WS Gan - Building and Environment, 2018 - Elsevier
There is a pressing need to address urban sustainability challenges of increasing ambient
temperatures and noise levels in densely-populated, high-rise cities. Solutions that utilise …

[图书][B] An introduction to virtual sound barriers

X Qiu - 2019 - books.google.com
A virtual sound barrier is an active noise control system that uses arrays of loudspeakers
and microphones to create a useful size of quiet zone and can be used to reduce sound …

[HTML][HTML] Refracto-vibrometry for active control of sound radiation through an opening

T Xiao, B Halkon, S Wang, S Oberst, X Qiu - Journal of Sound and Vibration, 2024 - Elsevier
In this study, refracto-vibrometry is proposed for active control of sound radiation through an
opening. First, refracto-vibrometry is used to reconstruct sound field in an opening, and a …

Spatial-Frequency-Based Selective Fixed-Filter Algorithm for Multichannel Active Noise Control

X Su, D Shi, Z Zhu, WS Gan, L Ye - IEEE Signal Processing …, 2024 - ieeexplore.ieee.org
The multichannel active noise control (MCANC) approach is widely regarded as an effective
solution to achieve a large noise cancellation zone in a complicated acoustic environment …

Exploiting the underdetermined system in multichannel active noise control for open windows

J He, B Lam, D Shi, WS Gan - Applied Sciences, 2019 - mdpi.com
Active noise control (ANC) is a re-emerging technique to mitigate noise pollution. To reduce
the noise power in large spaces, multiple channels are usually required, which complicates …

A scalable hybrid analog-digital architecture for multi-channel feedforward active noise control

R Xie, C Shi, H Xiao, H Qin, H Li - Mechanical Systems and Signal …, 2024 - Elsevier
This paper proposes a hybrid analog-digital architecture, aimed at reducing hardware
resource consumption and improving the scalability of a multi-channel feedforward active …

[HTML][HTML] Spatially selective active noise control systems

T Xiao, B Xu, C Zhao - The Journal of the Acoustical Society of …, 2023 - pubs.aip.org
Active noise control (ANC) systems are commonly designed to achieve maximal sound
reduction regardless of the incident direction of the sound. When desired sound is present …