# Digital Signal Processing Laboratory, School of Electrical and Electronic Engineering, Nanyang Technological University

## Introduction

This page lists down a selection of publications made as part of projects undertaken by the Digital Signal Processing Laboratory, School of Electrical and Electronic Engineering, Nanyang Technological University (NTU), accompanied with publicly-accessible, paywall-free links to resources related to those publications. Publications are listed in reverse chronological order of publication/presentation date under their respective section headings.

Generally, links to the different resources are classified under the following types:
- [[manuscript]]: Full-texts of the publication uploaded to [arXiv](https://arxiv.org/), the [NTU Digital Repository](https://dr.ntu.edu.sg/), or other publicly-available locations.
- [[code]]: Code repositories or replication code for the publication uploaded to [GitHub](https://github.com/) or the [NTU Data Repository](https://researchdata.ntu.edu.sg/).
- [[dataset]]: Datasets or replication data for the publication stored on the [NTU Data Repository](https://researchdata.ntu.edu.sg/).
- [[video]]: Presentation video on [YouTube](https://www.youtube.com/) explaining or describing content within the publication.
- [[demo]]: Demos on [YouTube](https://www.youtube.com/) showing an embodiment of the system described within the publication.
- [[xxxxx]]: Other types of resources, where "xxxxx" is replaced with a suitable descriptor.

## Audio Intelligence Monitoring at the Edge (AIME)

- A Strongly-Labelled Polyphonic Dataset of Urban Sounds with Spatiotemporal Context (Kenneth Ooi et al., 2021)
  - 13th Asia Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC 2021) [[manuscript]](https://arxiv.org/abs/2111.02006) [[code]](https://github.com/ntudsp/singapura) [[dataset-1]](https://doi.org/10.21979/N9/Y8UQ6F) [[dataset-2]](https://zenodo.org/record/5645825#.Ywey8RxBzdw) [[video]](https://www.youtube.com/watch?v=wSO1xNUIouo) 
- Extracting Urban Sound Information for Residential Areas in Smart Cities Using an End-to-End IoT System (Ee-Leng Tan et al., 2021)
  - IEEE Internet of Things Journal [[demo-1]](https://www.youtube.com/watch?v=cs5Uyej8Tys) [[demo-2]](https://www.youtube.com/watch?v=nLat0VSxI6U) [[demo-3]](https://www.youtube.com/watch?v=EZ7ahcXZOmA) 
- Digitization of Urban Sound in a Smart Nation (Woon-Seng Gan, 2020)
  - 45th IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2020) [[video]](https://www.youtube.com/watch?v=cLZ3vz9UkUU) 

## Cities of Tomorrow: Active Noise Control (COTANC)

- A survey on adaptive active noise control algorithms overcoming the output saturation effect (Yu Guo et al., 2024)
  - Signal Processing [[manuscript]](https://www.researchgate.net/publication/376477919_A_Survey_on_Adaptive_Active_Noise_Control_Algorithms_Overcoming_the_Output_Saturation_Effect) 
- Real-time implementation and explainable AI analysis of delayless CNN-based selective fixed-filter active noise control (Zhengding Luo et al., 2024)
  - Mechanical Systems and Signal Processing [[manuscript]](https://www.researchgate.net/publication/379371184_Real-time_implementation_and_explainable_AI_analysis_of_delayless_CNN-based_selective_fixed-filter_active_noise_control) [[code]](https://github.com/Luo-Zhengding/SFANC-Window) 
- The principle underlying the wireless reference microphone enhancing noise reduction performance in multi-channel active noise control windows (Xiaoyi Shen et al., 2024)
  - Mechanical Systems and Signal Processing [[manuscript]](https://www.researchgate.net/publication/379468363_The_principle_underlying_the_wireless_reference_microphone_enhancing_noise_reduction_performance_in_multi-channel_active_noise_control_windows) 
- What is behind the meta-learning initialization of adaptive filter? - A naive method for accelerating convergence of adaptive multichannel active noise control (Dongyuan Shi et al., 2024)
  - Neural Networks [[manuscript]](https://www.researchgate.net/publication/377684741_What_is_behind_the_meta-learning_initialization_of_adaptive_filter_-_A_naive_method_for_accelerating_convergence_of_adaptive_multichannel_active_noise_control) 
- Practical active noise control: restriction of maximum output power (Woon-Seng Gan et al., 2023)
  - 15th Asia Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC 2023) [[manuscript]](https://hdl.handle.net/10356/172215) 
- Active Noise Control in The New Century: The Role and Prospect of Signal Processing (Dongyuan Shi et al., 2023)
  - 52nd International Congress and Exposition on Noise Control Engineering (Inter-Noise 2023) [[manuscript]](https://arxiv.org/abs/2306.01425) 
- A Computation-efficient Online Secondary Path Modeling Technique for Modified FXLMS Algorithm (Junwei Ji et al., 2023)
  - 52nd International Congress and Exposition on Noise Control Engineering (Inter-Noise 2023) [[manuscript]](https://arxiv.org/abs/2306.11408) 
- Computation-efficient solution for fully-connected active noise control window: Analysis and implementation of multichannel adjoint least mean square algorithm (Dongyuan Shi et al., 2023)
  - Mechanical Systems and Signal Processing [[code]](https://www.mathworks.com/matlabcentral/fileexchange/127554-multichannel-adjoint-lms-algorithm-for-multichannel-anc) 
- Anti-noise window: Subjective perception of active noise reduction and effect of informational masking (Bhan Lam et al., 2023)
  - Sustainable Cities and Society [[manuscript]](https://arxiv.org/abs/2307.05533) [[code]](https://github.com/ntudsp/SPANR) [[dataset]](https://doi.org/10.21979/N9/SEGEFM) 
- MOV-Modified-FxLMS algorithm with Variable Penalty Factor in a Practical Power Output Constrained Active Control System (Chung Kwan Lai et al., 2023)
  - IEEE Signal Processing Letters [[manuscript]](https://arxiv.org/abs/2306.09535) 
- Real-time Modelling of Observation Filter in the Remote Microphone Technique for an Active Noise Control Application (Chung Kwan Lai et al., 2023)
  - 48th IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2023) [[manuscript]](https://doi.org/10.48550/arXiv.2303.12517) [[video]](https://www.youtube.com/watch?v=ktY-aYo1J74) [[slides]](https://www.overleaf.com/read/mnkpqynxzfnx) [[poster]](https://www.overleaf.com/read/mtgynynbcrgy) 
- A Momentum Two-Gradient Direction Algorithm With Variable Step Size Applied To Solve Practical Output Constraint Issue For Active Noise Control (Xiaoyi Shen et al., 2023)
  - 48th IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2023) [[manuscript]](https://arxiv.org/abs/2303.08397) [[video]](https://www.youtube.com/watch?v=SPDqBHpAUIY) [[poster]](https://www.overleaf.com/read/gjrqfnjsrwty) 
- A Practical Distributed Active Noise Control Algorithm Overcoming Communication Restrictions (Junwei Ji et al., 2023)
  - 48th IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2023) [[manuscript]](https://www.researchgate.net/publication/369266108_A_practical_distributed_active_noise_control_algorithm_overcoming_communication_restrictions) [[video]](https://www.youtube.com/watch?v=yVqthF1cS70) [[slides]](https://www.overleaf.com/read/rxjdpgsmskbf) [[poster]](https://www.overleaf.com/read/dbxypskmqxdr) 
- Deep Generative Fixed-Filter Active Noise Control (Zhengding Luo et al., 2023)
  - 48th IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2023) [[manuscript]](https://arxiv.org/abs/2303.05788) [[video]](https://www.youtube.com/watch?v=jQoZVlk-cqY) [[poster]](https://www.overleaf.com/read/ppcgqnzwwwgj) 
- Transferable Latent of CNN-based Selective Fixed-filter Active Noise Control (Dongyuan Shi et al., 2023)
  - IEEE/ACM Transactions on Audio, Speech, and Language Processing [[manuscript]](https://www.researchgate.net/publication/371225782_Transferable_Latent_of_CNN-based_Selective_Fixed-filter_Active_Noise_Control) 
- A Frequency-Domain Output-Constrained Active Noise Control Algorithm Based on an Intuitive Circulant Convolutional Penalty Factor (Dongyuan Shi et al., 2023)
  - IEEE/ACM Transactions on Audio, Speech, and Language Processing [[manuscript]](https://www.researchgate.net/publication/369725736_A_Frequency-Domain_Output-Constrained_Active_Noise_Control_Algorithm_Based_on_an_Intuitive_Circulant_Convolutional_Penalty_Factor) 
- Multichannel two-gradient direction filtered reference least mean square algorithm for output-constrained multichannel active noise control (Dongyuan Shi et al., 2023)
  - Signal Processing [[manuscript]](https://www.researchgate.net/publication/361964880_Multichannel_Two-Gradient_Direction_Filtered_Reference_Least_Mean_Square_Algorithm_for_Output-Constrained_Multichannel_Active_Noise_Control) 
- Implementation of Multi-channel Active Noise Control based on Back-propagation Mechanism (Zhengding Luo et al., 2022)
  - 24th International Congress on Acoustics (ICA 2022) [[manuscript]](https://arxiv.org/abs/2208.08086) [[code]](https://github.com/ShiDongyuan/Multichannel_FxLMS_python_code) 
- Multi-channel wireless hybrid active noise control with fixed-adaptive control selection (Xiaoyi Shen et al., 2022)
  - Journal of Sound and Vibration [[manuscript]](https://www.researchgate.net/publication/363724662_Multi-channel_wireless_hybrid_active_noise_control_with_fixed-adaptive_control_selection) 
- Performance Evaluation of Selective Fixed-filter Active Noise Control based on Different Convolutional Neural Networks (Zhengding Luo et al., 2022)
  - 51st International Congress and Exposition on Noise Control Engineering (Inter-Noise 2022) [[manuscript]](https://arxiv.org/pdf/2208.08440.pdf) [[code]](https://github.com/ShiDongyuan/Selective_ANC_CNN) 
- Robust estimation of open aperture active control systems using virtual sensing (Chung Kwan Lai et al., 2022)
  - 51st International Congress and Exposition on Noise Control Engineering (Inter-Noise 2022) [[manuscript]](https://www.researchgate.net/publication/363658389_Robust_estimation_of_open_aperture_active_control_systems_using_virtual_sensing) 
- Implementations of wireless active noise control in the headrest (Xiaoyi Shen et al., 2022)
  - 51st International Congress and Exposition on Noise Control Engineering (Inter-Noise 2022) [[manuscript]](https://www.researchgate.net/publication/369262027_Implementations_of_wireless_active_noise_control_in_the_headrest) 
- A Hybrid Approach to Combine Wireless and Earcup Microphones for ANC Headphones with Error Separation Module (Xiaoyi Shen et al., 2022)
  - 47th IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2022) [[video]](https://www.youtube.com/watch?v=1KhRSRIiq2k) 
- A Hybrid SFANC-FxNLMS Algorithm for Active Noise Control based on Deep Learning (Zhengding Luo et al., 2022)
  - IEEE Signal Processing Letters [[manuscript]](https://arxiv.org/abs/2208.08082) [[code]](https://github.com/Luo-Zhengding/SFANC-FxNLMS-ANC-Algorithm-based-on-Deep-Learning) 
- A multi-channel wireless active noise control headphone with coherence-based weight determination algorithm (Xiaoyi Shen et al., 2022)
  - Journal of Signal Processing Systems [[manuscript]](https://www.researchgate.net/publication/359117076_A_Multi-Channel_Wireless_Active_Noise_Control_Headphone_With_Coherence-Based_Weight_Determination_Algorithm) 
- Adaptive-gain algorithm on the fixed filters applied for active noise control headphone (Xiaoyi Shen et al., 2021)
  - Mechanical Systems and Signal Processing [[manuscript]](https://www.researchgate.net/publication/365569251_Adaptive-gain_algorithm_on_the_fixed_filters_applied_for_active_noise_control_headphone) 
- Optimal Penalty Factor for the MOV-FxLMS Algorithm in Active Noise Control System (Dongyuan Shi et al., 2021)
  - IEEE Signal Processing Letters [[manuscript]](https://www.researchgate.net/publication/356149792_Optimal_Penalty_Factor_for_the_MOV-FxLMS_Algorithm_in_Active_Noise_Control_System) 
- Fast Adaptive Active Noise Control Based on Modified Model-Agnostic Meta-Learning Algorithm (Dongyuan Shi et al., 2021)
  - IEEE Signal Processing Letters [[code]](https://github.com/ShiDongyuan/Meta) 
- Selective Fixed-filter Active Noise Control Based on Convolutional Neural Network (Dongyuan Shi et al., 2021)
  - Signal Processing [[manuscript]](https://www.researchgate.net/publication/354359563_Selective_Fixed-filter_Active_Noise_Control_Based_on_Convolutional_Neural_Network) [[code]](https://github.com/ShiDongyuan/Selective_ANC_CNN) 
- Implementation of coherence-based-selection multi-channel wireless active noise control in headphone (Xiaoyi Shen et al., 2021)
  - 50th International Congress and Exposition on Noise Control Engineering (Inter-Noise 2021) [[manuscript]](https://www.researchgate.net/publication/354504837_Implementation_of_coherence-based-selection_multi-channel_wireless_Active_Noise_Control_in_headphone) 
- Comb-partitioned Frequency-domain Constraint Adaptive Algorithm for Active Noise Control (Dongyuan Shi et al., 2021)
  - Signal Processing [[manuscript]](https://www.researchgate.net/publication/352658046_Comb-partitioned_Frequency-domain_Constraint_Adaptive_Algorithm_for_Active_Noise_Control) 
- A Wireless Reference Active Noise Control Headphone Using Coherence Based Selection Technique (Xiaoyi Shen et al., 2021)
  - 46th IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2021) [[manuscript]](https://www.researchgate.net/publication/352170739_A_Wireless_Reference_Active_Noise_Control_Headphone_Using_Coherence_Based_Selection_Technique) 
- Ten Questions Concerning Active Noise Control in the Built Environment (Bhan Lam et al., 2021)
  - Building and Environment [[manuscript]](https://doi.org/10.1016/j.buildenv.2021.107928) 
- Optimal Output-Constrained Active Noise Control Based on Inverse Adaptive Modeling Leak Factor Estimate (Dongyuan Shi et al., 2021)
  - IEEE/ACM Transactions on Audio, Speech, and Language Processing [[manuscript]](https://www.researchgate.net/publication/350023343_Optimal_Output-Constrained_Active_Noise_Control_Based_on_Inverse_Adaptive_Modeling_Leak_Factor_Estimate) 
- Alternative switching hybrid ANC (Xiaoyi Shen et al., 2020)
  - Applied Acoustics [[manuscript]](https://www.researchgate.net/publication/346469262_Alternative_switching_hybrid_ANC) 
- Active Control of Low-Frequency Noise through a Single Top-Hung Window in a Full-Sized Room (Bhan Lam et al., 2020)
  - Applied Sciences _Special Issue on Noise Barriers_ [[manuscript]](https://doi.org/10.3390/app10196817) 
- Active Noise Control based on the Momentum Multichannel Normalized Filtered-x Least Mean Square Algorithm (Dongyuan Shi et al., 2020)
  - 49th International Congress and Exposition on Noise Control Engineering (Inter-Noise 2020) [[manuscript]](https://hdl.handle.net/10356/169436) 
- Convergence behavior analysis of FXLMS algorithm with different leaky term (Shulin Wen et al., 2020)
  - 49th International Congress and Exposition on Noise Control Engineering (Inter-Noise 2020) [[manuscript]](https://hdl.handle.net/10356/169435) 
- Block coordinate descent based algorithm for computational complexity reduction in multichannel active noise control system (Dongyuan Shi et al., 2020)
  - Mechanical Systems and Signal Processing [[manuscript]](https://www.researchgate.net/publication/347841632_Block_coordinate_descent_based_algorithm_for_computational_complexity_reduction_in_multichannel_active_noise_control_system) 
- Active Control of Broadband Sound through the Open Aperture of a Full-Sized Domestic Window (Bhan Lam et al., 2020)
  - Nature Scientific Reports [[manuscript]](https://doi.org/10.1038/s41598-020-66563-z) 
- Using Empirical Wavelet Transform to Speed up Selective Filtered Active Noise Control System (Shulin Wen et al., 2020)
  - The Journal of the Acoustical Society of America [[manuscript]](https://hdl.handle.net/10356/142538) 
- Feedforward selective fixed-filter active noise control: Algorithm and implementation (Dongyuan Shi et al., 2020)
  - IEEE/ACM Transactions on Audio, Speech, and Language Processing [[manuscript]](https://hdl.handle.net/10356/142040) 
- Multichannel Active Noise Control with Spatial Derivative Constraints to Enlarge the Quiet Zone (Dongyuan Shi et al., 2020)
  - 45th IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2020) [[manuscript]](https://www.researchgate.net/publication/341084229_Multichannel_Active_Noise_Control_with_Spatial_Derivative_Constraints_to_Enlarge_the_Quiet_Zone) [[video]](https://www.youtube.com/watch?v=WEXphgGDV9A) 
- An Improved Selective Active Noise Control Algorithm Based on Empirical Wavelet Transform (Shulin Wen et al., 2020)
  - 45th IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2020) [[video]](https://www.youtube.com/watch?v=4Ts5cIO26po) 
- Multichannel active noise control with spatial derivative constraints to enlarge the quiet zone (Dongyuan Shi et al., 2020)
  - 45th IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2020) [[manuscript]](https://www.researchgate.net/publication/341084229_Multichannel_Active_Noise_Control_with_Spatial_Derivative_Constraints_to_Enlarge_the_Quiet_Zone) 
- Feedforward multichannel virtual-sensing active control of noise through an aperture: Analysis on causality and sensor-actuator constraints (Dongyuan Shi et al., 2020)
  - The Journal of the Acoustical Society of America [[manuscript]](https://hdl.handle.net/10356/142537) 
- Practical Implementation of Multichannel Filtered-x Least Mean Square Algorithm based on the Multiple-Parallel-Branch with Folding Architecture for Large-Scale Active Noise Control (Dongyuan Shi et al., 2019)
  - IEEE Transactions on Very Large Scale Integration (VLSI) Systems [[manuscript]](https://hdl.handle.net/10356/142541) 
- Practical Consideration and Implementation for Avoiding Saturation of Large Amplitude Active Noise Control (Dongyuan Shi et al., 2019)
  - 23rd International Congress on Acoustics (ICA 2019) [[manuscript]](https://www.researchgate.net/publication/343713404_Practical_Consideration_and_Implementation_for_Avoiding_Saturation_of_Large_Amplitude_Active_Noise_Control) 
- A Hybrid Approach to Active and Passive Noise Control for Open Windows (Murao Tatsuya et al., 2019)
  - Applied Acoustics [[manuscript]](https://hdl.handle.net/10356/149977) 
- Analysis of multichannel virtual sensing active noise control to overcome spatial correlation and causality constraints (Dongyuan Shi et al., 2019)
  - 44th IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2019) [[manuscript]](https://www.researchgate.net/publication/332790607_Analysis_of_Multichannel_Virtual_Sensing_Active_Noise_Control_to_Overcome_Spatial_Correlation_and_Causality_Constraints) 
- Optimal Leak Factor Selection for the Output-Constrained Leaky Filtered-Input Least Mean Square Algorithm (Dongyuan Shi et al., 2019)
  - IEEE Signal Processing Letters [[manuscript]](https://hdl.handle.net/10356/143203) [[video]](https://www.youtube.com/watch?v=nyd-79krtbM) 
- Exploiting the underdetermined system in multichannel active noise control for open windows (Jianjun He et al., 2019)
  - Applied Sciences [[manuscript]](https://doi.org/10.3390/app9030390) 
- Two-Gradient Direction FXLMS: An Adaptive Noise Control Algorithm with Output Constraint (Dongyuan Shi et al., 2018)
  - Mechanical Systems and Signal Processing [[manuscript]](https://hdl.handle.net/10356/107561) 
- Hybrid source arrangement for active control of noise through apertures at oblique incidences: a preliminary investigation (Bhan Lam et al., 2018)
  - 25th International Congress on Sound and Vibration (ICSV 2018) [[manuscript]](https://www.researchgate.net/publication/329610847_Hybrid_source_arrangement_for_active_control_of_noise_through_apertures_at_oblique_incidences_a_preliminary_investigation) 
- Active Control of Sound through Full-Sized Open Windows (Bhan Lam et al., 2018)
  - Building and Environment [[manuscript]](https://hdl.handle.net/10356/106104) 
- A novel selective active noise control algorithm to overcome practical implementation issue (Dongyuan Shi et al., 2018)
  - 43rd IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2018) [[manuscript]](https://hdl.handle.net/10356/80537) 
- Physical Limits on the Performance of Active Noise Control through Open Windows (Bhan Lam et al., 2018)
  - Applied Acoustics [[manuscript]](https://hdl.handle.net/10356/88178) 
- Understanding Multiple-Input Multiple-Output Active Noise Control from a Perspective of Sampling and Reconstruction (Chuang Shi et al., 2017)
  - 9th Asia Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC 2017) [[manuscript]](https://hdl.handle.net/10356/88226) 
- Effect of the audio amplifier's distortion on feedforward active noise control (Dongyuan Shi et al., 2017)
  - 9th Asia Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC 2017) [[manuscript]](https://www.researchgate.net/publication/323192394_Effect_of_the_audio_amplifier%27s_distortion_on_feedforward_active_noise_control) 
- On algorithms and implementations of a 4-channel active noise canceling window (Chuang Shi et al., 2017)
  - 2017 International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS 2017) [[manuscript]](https://www.researchgate.net/publication/322647862_On_algorithms_and_implementations_of_a_4-channel_active_noise_canceling_window) 
- Multiple parallel branch with folding architecture for multichannel filtered-x least mean square algorithm (Dongyuan Shi et al., 2017)
  - 42nd IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2017) [[manuscript]](https://www.researchgate.net/publication/316787122_Multiple_parallel_branch_with_folding_architecture_for_multichannel_filtered-x_least_mean_square_algorithm) 
- A systolic FxLMS structure for implementation of feedforward active noise control on FPGA (Dongyuan Shi et al., 2016)
  - 8th Asia Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC 2016) [[manuscript]](https://www.researchgate.net/publication/312562472_A_systolic_FxLMS_structure_for_implementation_of_feedforward_active_noise_control_on_FPGA) 
- Open loop active control of noise through open windows (Chuang Shi et al., 2016)
  - 172nd Meeting of the Acoustical Society of America [[manuscript]](https://www.researchgate.net/publication/310759126_Open_loop_active_control_of_noise_through_open_windows) 
- Comparison of different development kits and its suitability in signal processing education (Dongyuan Shi et al., 2016)
  - 41st IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2016) [[manuscript]](https://www.researchgate.net/publication/304372312_Comparison_of_different_development_kits_and_its_suitability_in_signal_processing_education) 

## Cities of Tomorrow: Augmenting Urban Soundscapes (COTAUS)

### Soundscape Attributes Translation Project

- Validating Thai translations of perceptual soundscape attributes: A non-Procrustean approach with a Procrustes projection (Karn N. Watcharasupat et al., 2024)
  - Applied Acoustics _Special Issue on Soundscape Attributes Translation: Current Projects and Challenges_ [[code]](https://github.com/ntudsp/satp-tha-stage2) 
- Crossing the Linguistic Causeway: Ethnonational Differences on Soundscape Attributes in Bahasa Melayu (Bhan Lam et al., 2023)
  - Applied Acoustics _Special Issue on Soundscape Attributes Translation: Current Projects and Challenges_ [[manuscript]](https://arxiv.org/abs/2307.03647) [[code]](https://github.com/ntudsp/satp-zsm-stage2) [[dataset]](https://doi.org/10.21979/N9/9AZ21T) 
- Quantitative Evaluation Approach for Translation of Perceptual Soundscape Attributes: Initial Application to the Thai Language (Karn N. Watcharasupat et al., 2022)
  - Applied Acoustics _Special Issue on Soundscape Attributes Translation: Current Projects and Challenges_ [[manuscript]](https://arxiv.org/abs/2203.12245) 
- Crossing the Linguistic Causeway: A Binational Approach for Translating Soundscape Attributes to Bahasa Melayu (Bhan Lam et al., 2022)
  - Applied Acoustics _Special Issue on Soundscape Attributes Translation: Current Projects and Challenges_ [[manuscript]](https://arxiv.org/abs/2206.03104) [[code]](https://github.com/ntudsp/satp-zsm-stage1) [[dataset]](https://doi.org/10.21979/N9/0NE37R) 

### Soundscape Augmentation

- Effect of masker selection schemes on the perceived affective quality of soundscapes: A pilot study (Zhen-Ting Ong et al., 2023)
  - 52nd International Congress and Exposition on Noise Control Engineering (Inter-Noise 2023) [[manuscript]](https://hdl.handle.net/10356/168668) [[dataset]](https://doi.org/10.21979/N9/K1P3IL) 
- Preliminary investigation of the short-term in situ performance of an automatic masker selection system (Bhan Lam et al., 2023)
  - 52nd International Congress and Exposition on Noise Control Engineering (Inter-Noise 2023) [[manuscript]](https://hdl.handle.net/10356/168669) 
- ARAUSv2: An Expanded Dataset and Multimodal Models of Affective Responses to Augmented Urban Soundscapes (Kenneth Ooi et al., 2023)
  - 52nd International Congress and Exposition on Noise Control Engineering (Inter-Noise 2023) [[manuscript]](https://hdl.handle.net/10356/168665) [[code]](https://github.com/ntudsp/araus-dataset-baseline-models) [[dataset]](https://doi.org/10.21979/N9/9OTEVX) 
- Anti-noise window: Subjective perception of active noise reduction and effect of informational masking (Bhan Lam et al., 2023)
  - Sustainable Cities and Society [[manuscript]](https://arxiv.org/abs/2307.05533) [[code]](https://github.com/ntudsp/SPANR) [[dataset]](https://doi.org/10.21979/N9/SEGEFM) 
- Autonomous Soundscape Augmentation with Multimodal Fusion of Visual and Participant-linked Inputs (Kenneth Ooi et al., 2023)
  - 48th IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2023) [[manuscript]](https://arxiv.org/abs/2303.08342) [[dataset]](https://doi.org/10.21979/N9/9OTEVX) [[video]](https://youtu.be/zfbrsi0iM34) [[slides]](https://www.overleaf.com/read/zvsfnjckktbm) [[poster]](https://www.overleaf.com/read/jwwpsvfwndyt) 
- ARAUS: A Large-Scale Dataset and Baseline Models of Affective Responses to Augmented Urban Soundscapes (Kenneth Ooi et al., 2023)
  - IEEE Transactions on Affective Computing [[manuscript]](https://doi.org/10.48550/arXiv.2207.01078) [[code]](https://github.com/ntudsp/araus-dataset-baseline-models) [[dataset]](https://doi.org/10.21979/N9/9OTEVX) 
- Deployment of an IoT System for Adaptive In-Situ Soundscape Augmentation (Trevor Wong et al., 2022)
  - 51st International Congress and Exposition on Noise Control Engineering (Inter-Noise 2022) [[manuscript]](https://arxiv.org/abs/2204.13890) 
- Autonomous In-Situ Soundscape Augmentation via Joint Selection of Masker and Gain (Karn N. Watcharasupat et al., 2022)
  - IEEE Signal Processing Letters [[manuscript]](https://arxiv.org/abs/2204.13883) [[video]](https://www.youtube.com/watch?v=cf5m6z-fvjk) [[slides]](https://www.overleaf.com/read/trtsdyzdkgpr) [[poster]](https://www.overleaf.com/read/yxgwzwsfrbzn) 
- Probably Pleasant? A Neural-Probabilistic Approach to Automatic Masker Selection for Urban Soundscape Augmentation (Kenneth Ooi et al., 2022)
  - 47th IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2022) [[manuscript]](https://hdl.handle.net/10356/158000) [[dataset]](https://doi.org/10.21979/N9/YSJQKD) [[video]](https://www.youtube.com/watch?v=5Fy1fbZOjfQ) [[slides]](https://www.overleaf.com/read/wycfyjdftrmy) [[poster]](https://www.overleaf.com/read/wkshdjwygggr) 
- A Mixed-Reality Approach to Soundscape Assessment of Outdoor Urban Environments Augmented with Natural Sounds (Joo Young Hong et al., 2021)
  - Building and Environment [[manuscript]](https://www.semanticscholar.org/paper/A-mixed-reality-approach-to-soundscape-assessment-Hong-Lam/e354f010abdcc789eee1b02bf882198bf27c492d) [[dataset]](https://doi.org/10.21979/N9/KE0901) 
- Effects of Contexts in Urban Residential Areas on the Pleasantness and Appropriateness of Natural Sounds (Joo Young Hong et al., 2020)
  - Sustainable Cities and Society [[manuscript]](https://discovery.ucl.ac.uk/id/eprint/10111355/1/SCSI_DRNTU.pdf) 
- Effects of Adding Natural Sounds to Urban Noises on the Perceived Loudness of Noise and Soundscape Quality (Joo Young Hong et al., 2019)
  - Science of the Total Environment [[manuscript]](https://www.researchgate.net/publication/337404409_Effects_of_adding_natural_sounds_to_urban_noises_on_the_perceived_loudness_of_noise_and_soundscape_quality) 
- The effects of spatial separations between water sound and traffic noise sources on soundscape assessment (Joo Young Hong et al., 2019)
  - Building and Environment [[manuscript]](https://www.semanticscholar.org/paper/The-effects-of-spatial-separations-between-water-on-Hong-Lam/e1b8ce5c127028c3b94dad0589d37c77e47886b1) 
- Evaluation of preferred levels of natural sounds in situ environment through an augmented reality device (Bhan Lam et al., 2019)
  - 23rd International Congress on Acoustics (ICA 2019) [[manuscript]](https://doi.org/10.18154/RWTH-CONV-239578) 
- Prediction models of desirable levels of birdsong and water sound in a noisy environment: A laboratory experiment based on virtual reality (Zhen-Ting Ong et al., 2019)
  - 23rd International Congress on Acoustics (ICA 2019) [[manuscript]](https://doi.org/10.18154/RWTH-CONV-239595) 
- Effect of spatial separation between traffic noise and water sound on soundscape assessment (Joo Young Hong et al., 2019)
  - 48th International Congress and Exposition on Noise Control Engineering (Inter-Noise 2019) [[manuscript]](https://www.sea-acustica.es/INTERNOISE_2019/Fchrs/Proceedings/1827.pdf) 
- Selecting birdsongs for auditory masking: a clustering approach based on psychoacoustic parameters (Zhen-Ting Ong et al., 2018)
  - 25th International Congress on Sound and Vibration (ICSV 2018) [[manuscript]](https://hdl.handle.net/10356/170483) 
- Effect of Masker Orientation on Masking Efficacy in Soundscape Applications (Zhen-Ting Ong et al., 2017)
  - 46th International Congress and Exposition on Noise Control Engineering (Inter-Noise 2017) [[manuscript]](https://hdl.handle.net/10356/88227) 
- Suitability of Natural Sounds to Enhance Soundscape Quality in Urban Residential Areas (Joo Young Hong et al., 2017)
  - 24th International Congress on Sound and Vibration (ICSV 2017) [[manuscript]](https://hdl.handle.net/10356/83014) 

### Soundscape Evaluation

- Assessment of a Cost-Effective Headphone Calibration Procedure for Soundscape Evaluations (Bhan Lam et al., 2022)
  - 24th International Congress on Acoustics (ICA 2022) [[manuscript]](https://arxiv.org/abs/2207.12899) [[code]](https://github.com/ntudsp/ica22-calibration) 
- Do uHear? Validation of uHear App for Preliminary Screening of Hearing Ability in Soundscape Studies (Zhen-Ting Ong et al., 2022)
  - 24th International Congress on Acoustics (ICA 2022) [[manuscript]](https://arxiv.org/abs/2207.09221) [[code]](https://github.com/ntudsp/douHear) [[dataset]](https://doi.org/10.21979/N9/JQDI6F) [[slides]](https://www.overleaf.com/read/jjwjmvpmztfr) 
- A Benchmark Comparison of Perceptual Models for Soundscapes on a Large-scale Augmented Soundscape Dataset (Kenneth Ooi et al., 2022)
  - 24th International Congress on Acoustics (ICA 2022) [[manuscript]](https://hdl.handle.net/10356/164983) [[slides]](https://www.overleaf.com/read/nnptvcnhgcss) 
- Preliminary Assessment of a Cost-Effective Headphone Calibration Procedure for Soundscape Evaluations (Bhan Lam et al., 2022)
  - 28th International Congress on Sound and Vibration (ICSV 2022) [[manuscript]](https://arxiv.org/abs/2205.04728) [[dataset]](https://doi.org/10.21979/N9/AUE2LL) 
- A multidimensional assessment of construction machinery noises based on perceptual attributes and psychoacoustic parameters (Joo Young Hong et al., 2022)
  - Automation in Construction [[manuscript]](https://hdl.handle.net/10356/159243) 
- Perceptual Assessment of Operation Noises of Equipment on Construction Sites (Joo Young Hong et al., 2021)
  - 12th European Conference and Exhibition on Noise Control (EuroNoise 2021) [[manuscript]](https://www.researchgate.net/publication/359310096_Perceptual_assessment_of_operation_noises_of_equipment_on_construction_sites) 
- Development of a feedback interface for in-situ soundscape evaluation (Furi Andi Karnapi et al., 2021)
  - 50th International Congress and Exposition on Noise Control Engineering (Inter-Noise 2021) [[manuscript]](https://www.researchgate.net/publication/353581329_Development_of_a_feedback_interface_for_in-situ_soundscape_evaluation) 
- Assessment of Inter-IC Sound Microelectromechanical Systems Microphones for Soundscape Reporting (Trevor Wong et al., 2021)
  - 50th International Congress and Exposition on Noise Control Engineering (Inter-Noise 2021) [[manuscript]](https://www.researchgate.net/publication/353581429_Assessment_of_inter-IC_sound_microelectromechanical_systems_microphones_for_soundscape_reporting) 
- Automation of Binaural Headphone Audio Calibration on an Artificial Head (Kenneth Ooi et al., 2021)
  - MethodsX [[manuscript]](https://doi.org/10.1016/j.mex.2021.101288) [[code]](https://doi.org/10.21979/N9/0KYIAU) 
- Virtual, Augmented and Mixed Reality Tools in Soundscape Evaluation and Design (Bhan Lam et al., 2020)
  - 49th International Congress and Exposition on Noise Control Engineering (Inter-Noise 2020) [[manuscript]](https://www.researchgate.net/publication/343150785_Virtual_augmented_and_mixed_reality_tools_in_soundscape_evaluation_and_design) [[video]](https://www.youtube.com/watch?v=muYnAtxk_cM) 
- A Deep Learning Approach for Modelling Perceptual Attributes of Soundscapes (Kenneth Ooi et al., 2020)
  - 49th International Congress and Exposition on Noise Control Engineering (Inter-Noise 2020) [[manuscript]](https://www.researchgate.net/publication/344609366_A_deep_learning_approach_for_modelling_perceptual_attributes_of_soundscapes) [[video]](https://www.youtube.com/watch?v=G9zwq1nGZjQ) 
- Influence of Parametrically-Decoded First-Order Ambisonics Reproduction in Cinematic Virtual-Reality-Based Soundscape Evaluation (Bhan Lam et al., 2019)
  - 48th International Congress and Exposition on Noise Control Engineering (Inter-Noise 2019) [[manuscript]](https://hdl.handle.net/10356/105858) 
- Quality Assessment of Acoustic Environment Reproduction Methods for Cinematic Virtual Reality in Soundscape Application (Joo Young Hong et al., 2018)
  - Building and Environment [[manuscript]](https://hdl.handle.net/10356/88359) 
- Validation of Binaural Recordings with Head Tracking for use in Soundscape Evaluation (Kenneth Ooi et al., 2017)
  - 46th International Congress and Exposition on Noise Control Engineering (Inter-Noise 2017) [[manuscript]](https://hdl.handle.net/10356/88176) 
- Spatial Audio for Soundscape Design: Recording and Reproduction (Joo Young Hong et al., 2017)
  - Applied Sciences [[manuscript]](https://hdl.handle.net/10356/88629) 

### Soundscape Mapping

- Lion City Soundscapes: Modified Partitioning Around Medoids for a Perceptually Diverse Dataset of Singaporean Soundscapes (Kenneth Ooi et al., 2024)
  - JASA Express Letters _Special Issue on Advances in Soundscape: Emerging Trends and Challenges in Research and Practice_ [[manuscript]](https://doi.org/10.1121/10.0025830) [[code]](https://github.com/ntudsp/lion-city-soundscapes) [[dataset]](https://doi.org/10.21979/N9/AVHSBX) [[map]](http://18.136.105.85/) [[gui]](https://github.com/ntudsp/lion-city-soundscapes-visualisation) 
- Singapore Soundscape Site Selection Survey (S5): Identification of Characteristic Soundscapes of Singapore via Weighted _k_-means Clustering (Kenneth Ooi et al., 2022)
  - MDPI Sustainability _Special Issue on Designing Sustainable Urban Soundscapes_ [[manuscript]](https://doi.org/10.3390/su14127485) [[code]](https://github.com/ntudsp/singapore-soundscape-site-selection-survey) [[dataset]](https://doi.org/10.21979/N9/BBBPMO) [[map]](https://www.google.com/maps/d/u/0/edit?mid=16fjoOwG-AnmwhTfc4MR11DrL_6iDL979) [[slides]](https://www.overleaf.com/read/srcgjvrhwgth) 

### Soundscape and Health

- Assessing the Perceived Indoor Acoustic Environment Quality Across Building Occupants in a Tertiary-Care Public Hospital in Singapore (Bhan Lam et al., 2022)
  - Building and Environment [[manuscript]](https://psyarxiv.com/tae9j/) [[dataset]](https://doi.org/10.21979/N9/YSQNDY) 
- Reliability of wrist-worn sensors for measuring physiological responses in soundscape assessments (Bhan Lam et al., 2018)
  - 47th International Congress and Exposition on Noise Control Engineering (Inter-Noise 2018) [[manuscript]](https://www.researchgate.net/publication/329673107_Reliability_of_wrist-worn_sensors_for_measuring_physiological_responses_in_soundscape_assessments) 

## Detection and Classification of Acoustic Scenes and Events (DCASE)

- SALSA: Spatial Cue-Augmented Log-Spectrogram Features for Polyphonic Sound Event Localization and Detection (Thi Ngoc Tho Nguyen et al., 2022)
  - IEEE/ACM Transactions on Audio, Speech, and Language Processing [[manuscript]](https://arxiv.org/abs/2110.00275) [[code]](https://github.com/thomeou/SALSA) 
- SALSA-Lite: A Fast and Effective Feature for Polyphonic Sound Event Localization and Detection with Microphone Arrays (Thi Ngoc Tho Nguyen et al., 2022)
  - 47th IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2022) [[manuscript]](https://arxiv.org/abs/2111.08192) [[code]](https://github.com/thomeou/SALSA-Lite) 
- A General Network Architecture for Sound Event Localization and Detection Using Transfer Learning and Recurrent Neural Network (Thi Ngoc Tho Nguyen et al., 2021)
  - 46th IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2021) [[manuscript]](https://arxiv.org/abs/2011.07859) [[code]](https://github.com/thomeou/General-network-architecture-for-sound-event-localization-and-detection) 
- Ensemble of Pruned Low-Complexity Models for Acoustic Scene Classification (Kenneth Ooi et al., 2020)
  - 5th Workshop on Detection and Classification of Acoustic Scenes and Events (DCASE 2020) [[manuscript]](https://dcase.community/documents/workshop2020/proceedings/DCASE2020Workshop_Ooi_24.pdf) [[code]](https://github.com/kenowr/DCASE-2020-Task-1B) [[video]](https://www.youtube.com/watch?v=CiaBpajZLDU) 
- Ensemble of Sequence Matching Networks for Dynamic Sound Event Localization, Detection, and Tracking (Thi Ngoc Tho Nguyen et al., 2020)
  - 5th Workshop on Detection and Classification of Acoustic Scenes and Events (DCASE 2020) [[manuscript]](https://dcase.community/documents/workshop2020/proceedings/DCASE2020Workshop_Nguyen_55.pdf) [[video]](https://www.youtube.com/watch?v=WWzieXXh12U) 
- On the Effectiveness of Spatial and Multi-Channel Features for Multi-Channel Polyphonic Sound Event Detection (Thi Ngoc Tho Nguyen et al., 2020)
  - 5th Workshop on Detection and Classification of Acoustic Scenes and Events (DCASE 2020) [[manuscript]](https://dcase.community/documents/workshop2020/proceedings/DCASE2020Workshop_Nguyen_54.pdf) [[video]](https://www.youtube.com/watch?v=oCjfxE1cIlU) 
- Robust Source Counting and DOA Estimation Using Spatial Pseudo-Spectrum and Convolutional Neural Network (Thi Ngoc Tho Nguyen et al., 2020)
  - IEEE/ACM Transactions on Audio, Speech, and Language Processing [[manuscript]](https://hdl.handle.net/10356/144539) 
- A Sequence Matching Network for Polyphonic Sound Event Localization and Detection (Thi Ngoc Tho Nguyen et al., 2020)
  - 45th IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2020) [[manuscript]](https://arxiv.org/abs/2002.05865) [[video]](https://www.youtube.com/watch?v=CjsZIX4xR-o) 

## Fast HRTF Acquisition

- Implementing Continuous HRTF Measurement In Near-Field (Ee-Leng Tan et al., 2023)
  - 48th IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2023) [[manuscript]](https://arxiv.org/abs/2303.08379) [[video]](https://www.youtube.com/watch?v=9xz3z8D0O5k) [[poster]](https://www.overleaf.com/read/gxxwtssmwqjp) 
- A Unity Based Platform for Individualized HRTF Research and Development: From On-the-Fly Fast Acquisition to Spatial Audio Renderer (Santi Peksi et al., 2019)
  - 2019 AES International Conference on Headphone Technology [[code-1]](https://github.com/EEEDSPLab/iHRTF-Spatializer) [[code-2]](https://github.com/EEEDSPLab/360SofaPlayer) 
- Modeling Distance-Dependent Individual Head-Related Transfer Functions in the Horizontal Plane using Frontal Projection Headphones (Kaushik Sunder et al., 2015)
  - The Journal of the Acoustical Society of America [[manuscript]](https://hdl.handle.net/10356/81897) 
- On the Preprocessing and Postprocessign of HRTF Individualization based on Sparse Representation of Anthropometric Features (Jianjun He et al., 2015)
  - 40th IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2015) [[manuscript]](https://hdl.handle.net/10356/82913) 

## Parametric Loudspeakers

- An Overview of Directivity Control Methods of the Parametric Array Loudspeaker (Chuang Shi et al., 2014)
  - APSIPA Transactions on Signal and Information Processing [[manuscript]](https://hdl.handle.net/10356/81880) 
- Spatial Aliasing Effects in a Steerable Parametric Loudspeaker for Stereophonic Sound Reproduction (Chuang Shi et al., 2014)
  - IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences _Special Section on Spatial Acoustic Signal Processing and Applications_ [[manuscript]](https://hdl.handle.net/10356/101132) 
- Steerable Parametric Loudspeaker with Preprocessing Methods (Chuang Shi et al., 2013)
  - 21st International Congress on Acoustics [[manuscript]](https://hdl.handle.net/10356/85063) 
- Hybrid Immersive Three-Dimensional Sound Reproduction System with Steerable Parametric Loudspeakers (Chuang Shi et al., 2013)
  - JASA Proceedings of Meetings on Acoustics [[manuscript]](https://hdl.handle.net/10356/84799) 
- Modeling the Directivity of Parametric Loudspeaker (Chuang Shi et al., 2012)
  - AIP Conference Proceedings [[manuscript]](https://hdl.handle.net/10356/84512) 
- Inverse System Design Based on the Volterra Modeling of a Parametric Loudspeaker System (Wei Ji et al., 2012)
  - AIP Conference Proceedings [[manuscript]](https://hdl.handle.net/10356/96093) 
- Product Directivity Models for Parametric Loudspeakers (Chuang Shi et al., 2012)
  - The Journal of the Acoustical Society of America [[manuscript]](https://hdl.handle.net/10356/100026) 
- Audio Projection: Directional Sound and its Applications in Immersive Communication (Woon-Seng Gan et al., 2011)
  - IEEE Signal Processing Magazine [[manuscript]](https://hdl.handle.net/10356/93986) 
- A Comparative Analysis of Preprocessing Methods for the Parametric Loudspeaker Based on the Khokhlov-Zabolotskaya-Kuznetsov Equation for Speech Reproduction (Peifeng Ji et al., 2010)
  - IEEE Transactions on Audio, Speech, and Language Processing [[manuscript]](https://hdl.handle.net/10356/93869) 

## Spatial Audio

- Time-Shifting based Primary Ambient Extraction for Spatial Audio Reproduction (Jianjun He et al., 2015)
  - IEEE/ACM Transactions on Audio, Speech, and Language Processing [[manuscript]](https://hdl.handle.net/10356/81365) 
- Primary Ambient Extraction Using Ambient Spectrum Estimation for Immersive Spatial Audio Reproduction (Jianjun He et al., 2015)
  - IEEE/ACM Transactions on Audio, Speech, and Language Processing [[manuscript]](https://hdl.handle.net/10356/81370) 
- Primary Ambient Extraction Using Ambient Phase Estimation with a Sparsity Constraint (Jianjun He et al., 2014)
  - IEEE Signal Processing Letters [[manuscript]](https://hdl.handle.net/10356/107464)