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Publications

Journal Papers

1. S. Y. Low, S. Nordholm and K. L. Teo, "On the Use of Efficient Frontier in Microphone Arrays" Electronics Letters, Vol. 42, Iss. 20, 28 Sept 2006, pp.1186 - 1187

2. Eric A. Lehmann and Robert C. Williamson, “Particle Filter Design using Importance Sampling for Acoustic Source Localisation and Tracking in Reverberant Environments,” EURASIP Journal on Applied Signal Processing, special issue on Advances in Multi-Microphone Speech Processing, 2006.

3. R. Togneri, L. Deng, "A State-Space Model with Neural-Network Prediction for Recovering Vocal Tract Resonances in Fluent Speech from Mel-Cepstral Coefficients", Speech Communication, August 2006.

4. Eric A. Lehmann and Anders M. Johansson, “Particle filter with integrated voice activity detection for acoustic source tracking,” to appear in EURASIP Journal on Applied Signal Processing (accepted for publication).

5. Betlehem, T., and Abhayapala, T.D., Theory and design of soundfield reproduction in reverberant rooms, Journal of the Acoustic Society of America, Vol. 117, Issue 4, April, 2005, pp. 2100 – 2111.

6. M.I.Y. Williams, T.D. Abhayapala, and R.A. Kennedy, “Generalized Broadband Beamforming using a Modal Subspace Decomposition,” in EURASIP Journal on Applied Signal Processing, Accepted Apr 2006. To appear in 2007

7. Wen Zhang, Thushara D.Abhayapala, and Jian Zhang, “UWB Channel Modelling with Frequency Dependence”, submitted to IEEE Trans. Antenna. & Propagation, (Submitted Sep 2005, accepted Nov 2006)

Conference Proceedings

8. Kandeepan. S, D. Jayalath, “Narrow-Band Channel Simulator Based on Statistical Models”, ICCS2006, Singapore, Oct30-2Nov.

9. Kandeepan. S, Wong, “Narrow-Band FM-Multi-Tone FSK Modem: TMS320C6000 Based Testbed Implementation and Performance Analysis”, APCCAS2006, Singapore, Dec 4-7.

10. Kandeepan, S, “A Software Phase Locked Loop from Theory to Practice: TMS320C6000 DSP Based Implementation and Analysis ”, AusWireless conf 2006, Sydney March 13-16.

11. Litifa.N, A. Anpalagan, Kandeepan. S, “Subcarrier Availability in Downlink OFDM systems with Imperfect Carrier Synchronization in Deep Fading Noisy Doppler Channels”, VTC Fall 2006, Montreal, Sep 6-8.

12. A Microphone Array Solution for Duplex Hands-Free Communication Systems, Sven Erik Nordholm; Siow Yong Low; Hai Quang Dam;
International Conference on Consumer Electronics, 2007. ICCE 2007. Digest of Technical Papers. Jan. 2007, pp.1 - 2

13. S. Y. Low and S. Nordholm, H. Q. Dam, “A Spatio-Temporal-Spectral Processor for Duplex Hands-free Communication Systems”, International Workshop on Acoustic Echo and Noise Control (IWAENC 2005), Eindhoven, Netherlands, Sept. 2005.

14. Ming, R. Togneri, S. Nordholm, “Investigation of Robust Features for Speech Recognition in Hostile Environment”, The 11th Asia-Pacific Conference on Communications (APCC 2005), Perth, Australia, Oct. 2005.

15. M. Berg, E. Bondesson, S. Y. Low, S. Nordholm and I. Claesson, “A Combined On-Line PCA-ICA Algorithm for Blind Source Separation”, The 11th Asia-Pacific Conference on Communications (APCC 2005), Perth, Australia, Oct. 2005.

16. S. Nordholm and S. Y. Low, "Speech Signal Extraction Utilizing PCA-ICA Algorithm with a Non-Uniform Spacing Microphone Array" Accepted IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), Toulouse, France, 2006.

17. S. Y. Low and S. Nordholm, "Space Constrained Beamformer with a Soft Adaptation Blocking System and Non-Coherent Cancellation" Accepted IWAENC, Paris, France, September 2006.

18. Davis, S. Nordholm, S. Y. Low and R. Togneri, "A multi-decision sub-band voice activity detector" Accepted EUSIPCO, Florence, Italy, September 2006.

19. M. Kuhne, R. Togneri, "Automatic English Stop Consonants Classification using Wavelet Analysis and Hidden Markov Models", Proceedings of INTERSPEECH2006, Pittsburgh, USA, September 2006.

20. O. Chan, R. Togneri, "Prosodic Features for a Maximum Entropy Language Model", Proceedings of INTERSPEECH2006, Pittsburgh, USA, September 2006.

21. Anders M. Johansson, Eric A. Lehmann, and Sven Nordholm, “Real-time implementation of a particle filter with integrated voice activity detector for acoustic speaker tracking,”  Proceedings of the IEEE Asia Pacific Conference on Circuits and Systems (APCCAS'06), Singapore, December 2006 .

22. Hai Quang Dam; Sven Nordholm; Hai Huyen Dam; Siow Yong Low; “Post-Filtering Techniques For Directive Non-Stationary Source Combined With Stationary Noise Utilizing Spatial Spectral Processing”, Proceedings of the IEEE Asia Pacific Conference on Circuits and Systems (APCCAS'06), Singapore, December 2006 .

23. Kandeepan, S. and Reisenfeld, S. Analysis of a Discrete Complex Sinusoid Frequency Estimator Based on Single-Delay Multiplication Method, IEEE 2005 International Symposium on Information Theory (ISIT '05), 5 Sep - 9 Sep, 2005, pp. 1451-1454.

24. Kandeepan. S, Reisenfeld, S. “Frequency Error Correction for OFDM based Multicarrier Systems and Performance Analysis”, IEEE International Conference on Information, Communications and Signal Processing ICICS 2005, 6-9 Dec, Bangkok, Thailand, 2005.

25. Kandeepan. S, S. Reisenfeld, “Performance Analysis of a Digital Phase-Locked Loop with a Hyperbolic Nonlinearity”, IEEE International Conference on Information, Communications and Signal Processing ICICS 2005, 6-9 Dec, Bangkok, Thailand, 2005.

26. Kandeepan. S, L. Hanlen, “TMS320C6713-DSP Based FSK Modem with Receiver Synchronisation” , IEEE International Symposium on DSP and Communication Systems, DSPCS’2005, 19-21 Dec, Sunshine Coast, Australia.

27. Zhang, W., Abhayapala, T. D., and Zhang, J., UWB Spatial-Frequency Channel Characterization, in Proc. 63rd IEEE Vehicular Technology Conference (VTC), May 2005, Melbourne, Australia.

28. Betlehem, T. and Abhayapala, T.D. A Modal Space Approach to Soundfield Reproduction in Reverberant Rooms, in Proc. IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP’2005, vol. III , March 2005, pp. 289-292.

29. Zhang, W. and Abhayapala, T. D. and Zhang, J. Frequency Dependent UWB Channel Modelling, in Proc. 8th International Symposium on DSP and Communication Systems, DSPCS’2005 & 4th Workshop on the Internet, Telecommunications and Signal Processing, WITSP’2005, Noosa Heads, Sunshine Coast Australia, 19-21 Dec. 2005.

30. Michael Williams, Thushara D. Abhayapala, Rodney Kennedy, ``Generalized Broadband Beamforming Using a Modal Decomposition'', in Proc. IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), May 2006, Toulouse, France.

31. T. Betlehem, and T.D. Abhayapala, “A Modal Space Approach to Soundfield Reproduction in Reverberant Rooms”, in Proc. IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP’2005, vol. III , pp. 289-292, March 2005.

32. Eric A. Lehmann and Robert C. Williamson, “Importance Sampling Particle Filter for Robust Acoustic Source Localization and Tracking in Reverberant Environments,” Joint Workshop on Hands-Free Speech Communication and Microphone Arrays (HSCMA'05), New Jersey, USA, March 2005.

33. M.I.Y. Williams, Glenn Dickins, Rodney A. Kennedy and Thushara D. Abhayapala, “Spatial Limits on the Performance of Direction of Arrival Estimation” in Proc. 6th Australian Communication Theory Workshop AusCTW05, pp. 175–179, Feb. 2005.

34. M.I.Y. Williams, G. Dickins, R.A. Kennedy, and T.D Abhayapala, “A novel scheme for the spatial extrapolation of multipath,” in Asia-Pacific Conference on Communications, Perth, Australia, 2005.