77 citations · 473 across the 39 of their papers we have counts for
40 papers
Extracting Urban Sound Information for Residential Areas in Smart Cities Using an End-to-End IoT System
Ee-Leng Tan, Furi Andi Karnapi, Linus Junjia Ng +2
With rapid urbanization comes the increase of community, construction, and transportation noise in residential areas. The conventional approach of solely relying on sound pressure…
AudioLog: LLMs-Powered Long Audio Logging with Hybrid Token-Semantic Contrastive Learning
Jisheng Bai, Han Yin, Mou Wang +4
Previous studies in automated audio captioning have faced difficulties in accurately capturing the complete temporal details of acoustic scenes and events within long audio sequenc…
Preliminary investigation of the short-term in situ performance of an automatic masker selection system
Bhan Lam, Zhen-Ting Ong, Kenneth Ooi +4
Soundscape augmentation or "masking" introduces wanted sounds into the acoustic environment to improve acoustic comfort. Usually, the masker selection and playback strategies are e…
Active Noise Control based on the Momentum Multichannel Normalized Filtered-x Least Mean Square Algorithm
Dongyuan Shi, Woon-Seng Gan, Bhan Lam +2
Multichannel active noise control (MCANC) is widely utilized to achieve significant noise cancellation area in the complicated acoustic field. Meanwhile, the filter-x least mean sq…
Practical Active Noise Control: Restriction of Maximum Output Power
Woon-Seng Gan, Dongyuan Shi, Xiaoyi Shen
This paper presents some recent algorithms developed by the authors for real-time adaptive active noise (AANC) control systems. These algorithms address some of the common challeng…
Anti-noise window: Subjective perception of active noise reduction and effect of informational masking
Bhan Lam, Kelvin Chee Quan Lim, Kenneth Ooi +3
Reviving natural ventilation (NV) for urban sustainability presents challenges for indoor acoustic comfort. Active control and interference-based noise mitigation strategies, such…
Crossing the Linguistic Causeway: Ethnonational Differences on Soundscape Attributes in Bahasa Melayu
Bhan Lam, Julia Chieng, Kenneth Ooi +4
Despite being neighbouring countries and sharing the language of Bahasa Melayu (ISO 639-3:ZSM), cultural and language education policy differences between Singapore and Malaysia le…
Active Noise Control in The New Century: The Role and Prospect of Signal Processing
Dongyuan Shi, Bhan Lam, Woon-Seng Gan +2
Since Paul Leug's 1933 patent application for a system for the active control of sound, the field of active noise control (ANC) has not flourished until the advent of digital signa…
A Computation-efficient Online Secondary Path Modeling Technique for Modified FXLMS Algorithm
Junwei Ji, Dongyuan Shi, Woon-Seng Gan +2
This paper proposes an online secondary path modelling (SPM) technique to improve the performance of the modified filtered reference Least Mean Square (FXLMS) algorithm. It can eff…
MOV-Modified-FxLMS algorithm with Variable Penalty Factor in a Practical Power Output Constrained Active Control System
Chung Kwan Lai, Dongyuan Shi, Bhan Lam +1
Practical Active Noise Control (ANC) systems typically require a restriction in their maximum output power, to prevent overdriving the loudspeaker and causing system instability. R…
Real-time modelling of observation filter in the Remote Microphone Technique for an Active Noise Control application
Chung Kwan Lai, Bhan Lam, Dongyuan Shi +1
The remote microphone technique (RMT) is often used in active noise control (ANC) applications to overcome design constraints in microphone placements by estimating the acoustic pr…
A practical distributed active noise control algorithm overcoming communication restrictions
Junwei Ji, Dongyuan Shi, Zhengding Luo +2
By assigning the massive computing tasks of the traditional multichannel active noise control (MCANC) system to several distributed control nodes, distributed multichannel active n…
A Momentum Two-gradient Direction Algorithm with Variable Step Size Applied to Solve Practical Output Constraint Issue for Active Noise Control
Xiaoyi Shen, Dongyuan Shi, Zhengding Luo +2
Active noise control (ANC) has been widely utilized to reduce unwanted environmental noise. The primary objective of ANC is to generate an anti-noise with the same amplitude but th…
Deep Generative Fixed-filter Active Noise Control
Zhengding Luo, Dongyuan Shi, Xiaoyi Shen +2
Due to the slow convergence and poor tracking ability, conventional LMS-based adaptive algorithms are less capable of handling dynamic noises. Selective fixed-filter active noise c…
Implementing Continuous HRTF Measurement in Near-Field
Ee-Leng Tan, Santi Peksi, Woon-Seng Gan
Head-related transfer function (HRTF) is an essential component to create an immersive listening experience over headphones for virtual reality (VR) and augmented reality (AR) appl…
Autonomous Soundscape Augmentation with Multimodal Fusion of Visual and Participant-linked Inputs
Kenneth Ooi, Karn N. Watcharasupat, Bhan Lam +2
Autonomous soundscape augmentation systems typically use trained models to pick optimal maskers to effect a desired perceptual change. While acoustic information is paramount to su…
Performance Evaluation of Selective Fixed-filter Active Noise Control based on Different Convolutional Neural Networks
Zhengding Luo, Dongyuan Shi, Woon-Seng Gan
Due to its rapid response time and a high degree of robustness, the selective fixed-filter active noise control (SFANC) method appears to be a viable candidate for widespread use i…
Implementation of Multi-channel Active Noise Control based on Back-propagation Mechanism
Zhengding Luo, Dongyuan Shi, Junwei Ji +1
Active noise control (ANC) systems can efficiently attenuate low-frequency noises by introducing anti-noises to combine with the unwanted noises. In ANC systems, the filtered-x lea…
A Hybrid SFANC-FxNLMS Algorithm for Active Noise Control based on Deep Learning
Zhengding Luo, Dongyuan Shi, Woon-Seng Gan
The selective fixed-filter active noise control (SFANC) method selecting the best pre-trained control filters for various types of noise can achieve a fast response time. However,…
Assessment of a cost-effective headphone calibration procedure for soundscape evaluations
Bhan Lam, Kenneth Ooi, Zhen-Ting Ong +3
To increase the availability and adoption of the soundscape standard, a low-cost calibration procedure for reproduction of audio stimuli over headphones was proposed as part of the…
Do uHear? Validation of uHear App for Preliminary Screening of Hearing Ability in Soundscape Studies
Zhen-Ting Ong, Bhan Lam, Kenneth Ooi +3
Studies involving soundscape perception often exclude participants with hearing loss to prevent impaired perception from affecting experimental results. Participants are typically…
Singapore Soundscape Site Selection Survey (S5): Identification of Characteristic Soundscapes of Singapore via Weighted k-means Clustering
Kenneth Ooi, Bhan Lam, Joo Young Hong +3
The ecological validity of soundscape studies usually rests on a choice of soundscapes that are representative of the perceptual space under investigation. For example, a soundscap…
FRCRN: Boosting Feature Representation using Frequency Recurrence for Monaural Speech Enhancement
Shengkui Zhao, Bin Ma, Karn N. Watcharasupat +1
Convolutional recurrent networks (CRN) integrating a convolutional encoder-decoder (CED) structure and a recurrent structure have achieved promising performance for monaural speech…
Crossing the Linguistic Causeway: A Binational Approach for Translating Soundscape Attributes to Bahasa Melayu
Bhan Lam, Julia Chieng, Karn N. Watcharasupat +4
Translation of perceptual descriptors such as the perceived affective quality attributes in the soundscape standard (ISO/TS 12913-2:2018) is an inherently intricate task, especiall…