Audio & Acoustic Signal Processing

Audio and Acoustics

Acoustics and audio play vital roles in our lives. Our research focuses on spatial audio and acoustics for real-world applications in telecommunications, telepresence, entertainment, hearing aids, assisted hearing, noise cancellation over large areas, ultrasound imaging and localisation of acoustic sources. Sound spatialisation requires thinking about sound in three dimensions, including its orientation, directivity, trajectories, and spatial characteristics of the environment such as reverberation.

Our work ranges from theoretical research, to implementation challenges and experimental investigations. With the support of an ANU Major Equipment Committee Grant, we have established a cutting-edge spatial audio laboratory to conduct this research. We develop theory on sound field modelling for different kinds of sound sources in complex acoustic environments. This leads to work in design and analysis of microphone arrays, speaker arrays for spatial sound synthesis, estimation and equalisation of room acoustics, and sound source localisation and separation.

We have strong track records with competitive grants, including ARC Discovery and DECRA, and publication in high-impact peer-reviewed journals and refereed conferences in the field. We also collaborate with international academics and industry partners, such as Dolby Australia, on research projects.

Explore our available student research projects below and if you’d like to discuss opportunities for collaboration or funding, please email us.

Academic staff

Professor Thushara Abhayapala »

Deputy Dean, CECS and Professor, RSEng

Hanchi Chen

Dr Hanchi Chen »

Research Fellow

Assoc Professor Glenn Dickins »

Architect of Convergence, Dolby Laboratories

Prasanga Samarasinghe

Dr Prasanga Samarasinghe »

FERL Fellow, Lecturer

Dr Wen Zhang »

Honorary Senior Lecturer

Student

Lachlan Birnie »

PhD Candidate

Abdullah Fahim

Abdullah Fahim »

PhD Student

Mr Yonggang Hu »

PhD Student

Fei Ma »

PhD Student

Matthew O'Connor »

HDR Candidate

Huiyuan Sun »

PhD Candidate

Xiangyun (Sean) Wu

Mr Xiang Wu »

PhD Student

Ms Jihui (Aimee) Zhang »

PhD student

Mr Huanyu Zuo »

PhD Student

Affiliates

Visitors

Mr Yu Maeno »

Campus Visitor

Recent Journal Articles
2018
  1. A. Fahim, P.N. Samarasinghe, and T.D. Abhayapala PSD Estimation and Source Separation in a Noisy Reverberant Environment using a Spherical Microphone Array IEEE/ACM Trans. Audio, Speech, Language Process. (accepted on 8 May 2018)
  2. T.D. Abhayapala, P.N. Samarasinghe, and H. Chen, A planar array of differential microphones for 3D sound capture IEEE/ACM Trans. Audio, Speech, Language Process.
  3. J. Zhang, T.D. Abhayapala, P.N. Samarasinghe, W. Zhang, and S. Jiang, Active Noise Control Over Space: A Wave Domain Approach IEEE/ACM Trans. Audio, Speech, Language Process.
2017
  1. M. O'Connor, B. Kleijn, G. Zhang, and T.D. Abhayapala Function Splitting and Quadratic Approximation of the Primal-Dual Method of Multipliers for Distributed Optimization over Graphs IEEE Trans. Sig. Process. (accepted on December 2017)
  2. M. Buerger, T.D. Abhayapala, C. Hofmann, H. Chen, and W. Kellermann The spatial Coherence of Noise Fields Evoked by Continuous Source Distributions Journal of Acoustic Society of America
  3. P.N. Samarasinghe, T.D. Abhayapala, and W. Kellermann Acoustic Reciprocity: An Extension to Spherical Harmonics Domain Journal of Acoustic Society of America
  4. W. Zhang, P.N. Samarasinghe, H. Chen, and T.D. Abhayapala Surround by Sound: A Review of Spatial Audio Recording and Reproduction Applied Sciences 7
  5. F. Bashar and T.D. Abhayapala Performance Analysis of Spatially Distributed MIMO Systems IET Communications
  6. P.N. Samarasinghe, T.D. Abhayapala, and H. Chen Estimating the Direct-to-Reverberant Energy Ratio Using a Spherical Harmonics-Based Spatial Correlation Model IEEE/ACM Trans. Audio, Speech, Language Process.
  7. H. Chen, T.D. Abhayapala, P.N. Samarasinghe, and W. Zhang Direct-to-reverberant Energy Ratio Estimation using a First Order Microphone IEEE/ACM Trans. Audio, Speech, Language Process.
2016
  1. J. Zhang, T.D. Abhayapala, P.N. Samarasinghe, W. Zhang and S. Jiang Multichannel Active Noise Control for Spatially Sparse Noise Fields Journal of Acoustic Society of America
  2. S. Yan, X. Zhou, N. Yang B. He, and T.D. Abhayapala Artificial-Noise-Aided Secure Transmission in Wiretap Channels with Transmitter-Side Correlation IEEE Trans. on Wireless Communications
  3. W. Zhang, T.D. Abhayapala, T. Betlehem, and F.M. Fazi Analysis and control of multi-zone sound Field reproduction using modal-domain approach Journal of Acoustic Society of America
  4. P.N. Samarasinghe, T.D. Abhayapala, and W. Zhang Recent Advances on Active Noise Control Inside Automobile Cabins IEEE Signal Processing Magazine
  5. F. Bashar, T.D. Abhayapala, and S.Salehin Dimensionality of Spatio-Temporal Broadband Signals Observed Over Finite Spatial and Temporal Windows IEEE Trans. Wireless Communications
2015
  1. Z. A. Shaban , X. Zhou, and T.D. Abhayapala A Novel TOA-based Mobile Localization Technique under Mixed LOS/NLOS Conditions for Cellular Networks IEEE Trans. on Vehicular Technology
  2. P.N. Samarasinghe, T.D. Abhayapala, M. Poletti, and T. Betlehem An Efficient Parameterization of the Room Transfer Function IEEE/ACM Trans. Audio, Speech, Language Process.
  3. B. Bu, T.D. Abhayapala, C. Bao, and W. Zhang Parameterization of the Three-dimensional Room Transfer Function in Horizontal Plane Journal of Acoustic Society of America
  4. B. He, X. Zhou, and T. D. Abhayapala Achieving Secrecy without Knowing the Number of Eavesdropper Antennas IEEE Trans. on Wireless Communications
  5. M.A. Poletti, T. Betlehem, and T.D. Abhayapala Higher-Order Loudspeakers and Active Compensation for Improved 2D Sound Field Reproduction in Rooms Journal of the Audio Engineering Society
  6. T. Betlehem, W. Zhang, M.A. Poletti, and T.D. Abhayapala Personal Sound Zones: Delivering interface-free audio to multiple listeners IEEE Signal Processing Magazine
  7. M. Zhang, R.A. Kennedy, and T.D. Abhayapala Empirical Determination of Frequency Representation in Spherical Harmonics-Based HRTF Functional Modeling IEEE/ACM Trans. Audio, Speech, Language Process.
2014
  1. P Leong, T.D. Abhayapala and T.A. Lamahewa Multiple 3D Far-Field/Near-Field Moving Target Localization Using Wideband Echo Chirp Signals IEEE Trans. on Signal Processing
  2. D.S. Talagala, W. Zhang and T.D. Abhayapala Efficient Multi-Channel Adaptive Room Compensation for Spatial Soundfield Reproduction using a Modal Decomposition IEEE/ACM Trans. Audio, Speech, Language Process.
  3. M. Poletti, T Betlehem, and T.D. Abhayapala Comparison of Sound Reproduction using Higher Order Loudspeakers and Equivalent Line Arrays in Free-field Conditions Journal of Acoustic Society of America
  4. P. Leong, S. Arulampalam, T.A. Lamahewa, and T.D. Abhayapala Gaussian-Sum Cubature Kalman Filter with Improved Robustness for Bearings-only Tracking IEEE Signal Processing Letters
  5. D.S. Talagala, W. Zhang, T.D. Abhayapala, and A. Kamineni Binaural sound source localization using the frequency diversity of the head-related transfer function Journal of Acoustic Society of America
  6. P.N. Samarasinghe, T.D. Abhayapala, and M. Poletti Wavefield Analysis over Large Areas using Distributed Higher Order Microphones IEEE/ACM Trans. Audio, Speech, Language Process.
2013
  1. P Leong, T.D. Abhayapala and T.A. Lamahewa Multiple Target Localization Using Wideband Echo Chirp Signals IEEE Trans. on Signal Processing
  2. D.S. Talagala, W. Zhang and T.D. Abhayapala Broadband DOA Estimation Using Sensor Arrays on Complex-Shaped Rigid Bodies IEEE Trans. Audio, Speech, Language Process.
  3. P Leong, S. Arulampalam, T.A. Lamahewa, and T.D. Abhayapala A Gaussian-Sum Based Cubature Kalman Filter for Bearings-Only Tracking IEEE Transactions on Aerospace and Electronic Systems
2012
  1. S.M. A. Salehin and T.D. Abhayapala Frequency-radial Duality based Photoacoustic Image Reconstruction Journal of Acoustic Society of America
  2. M. Poletti, T.D. Abhayapala, and P.N. Samarasinghe Interior and Exterior Sound Field Control using Two Dimensional Higher-order Variable-directivity Sources Journal of Acoustic Society of America
  3. W. Zhang, M. Zhang, R.A. Kennedy, and T.D. Abhayapala On High Resolution Head-related Transfer Function Measurements: An Efficient Sampling Scheme IEEE Trans. Audio, Speech and Language Process.
2011
  1. Y. J. Wu and T.D. Abhayapala Spatial Multizone Soundfield Reproduction: Theory and Design IEEE Trans. Audio, Speech and Language Process.
  2. A. Gupta and T.D. Abhayapala Three Dimensional Soundfield Reproduction using Multiple Circular Loudspeaker Arrays IEEE Trans. Audio, Speech and Language Process.
  3. S.M. A. Salehin and T.D. Abhayapala Localizing lung sounds: Eigen basis decomposition for localizing sources within a circular array of sensors Journal of Signal Processing Systems
  4. T.D. Abhayapala and D.B.Ward Wideband Beamspace Processing using Orthogonal Modal Beamformers Journal of Signal Processing Systems
  5. M. Poletti and T.D. Abhayapala Interior and Exterior Sound Field Control using General Two Dimensional First-order Sources Journal of Acoustic Society of America
5 Oct 2018
ANU researchers have found a way to cancel out noise providing some much-needed relief to anyone working or living in a noisy environment.
Dr Prasanga Samarasinghe
3 Aug 2018
Wondering what the future might sound like? Dr Prasanga Samarasinghe and her team from the Australian National University (ANU) Audio and Acoustic Signal Processing...
Abdullah Fahim
29 Jun 2018
Abdullah Fahim, a PhD student from the Australian National University (ANU) Research School of Engineering will travel to the United States this weekend to commence a...
Thushara, Yu and Hanchi
4 Aug 2017
Partnership will see University’s breakthrough spatial audio research applied to Sony’s future products and services.

Updated:  1 November 2018/Responsible Officer:  Head of School/Page Contact:  CECS Marketing