Info on Rafik Goubran

Department of Systems and Computer Engineering

Dr. Rafik A. Goubran: List of Publications

Recent Journal Publications

Recent Conference Publications

Recent Journal Publications:

· D. Townsend, M. Holzman, R. Goubran, M. Frize, F. Knoefel, "Relative Thresholding with Under Mattress Pressure Sensors to Detect Central Apnoea", IEEE Transactions on Instrumentation and Measurement, vol. 60, no. 10, October 2011, pp. 3281-3289.

· Trevor Burton, Rafik Goubran, “A Generalized Proportionate Subband Adaptive Second-Order Volterra Filter for Acoustic Echo Cancellation in Changing Environments”, IEEE Transactions on Audio, Speech and Language Processing, vol. 19, no. 8, August 2011, pp. 2364-2373.

· A. Arcelus, I. Veledar, R. Goubran, F. Knoefel, H. Sveistrup, M. Bilodeau, “Measurements of Sit-to-Stand Timing and Symmetry from Bed Pressure Sensors”, IEEE Transactions on Instrumentation and Measurement, vol. 60, no. 5, May 2011, pp. 1732-1740.

· D. Townsend, M. Holzman, R. Goubran, M. Frize, F. Knoefel, "Measurement of Torso Movement With Delay Mapping Using an Unobtrusive Pressure-Sensor Array", IEEE Transactions on Instrumentation and Measurement, vol. 60, no. 5, May 2011, pp. 1751 – 1760.

· Brady Laska, Miodrag Bolic, Rafik Goubran, “Particle Filter Enhancement of Speech Spectral Amplitudes”, IEEE Transactions on Audio, Speech and Language Processing, Volume 18, Issue 8, November 2010, pp. 2155 – 2167.

· A. Arcelus, C.L. Herry, R.A. Goubran, F. Knoefel, H. Sveistrup, M. Bilodeau, “Determination of Sit-to-Stand Transfer Duration Using Bed and Floor Pressure Sequences”, IEEE Transactions on Biomedical Engineering, Volume 56, Issue 10, October 2009, pp. 2485 – 2492.

· T.G. Burton, R.A. Goubran, F. Beaucoup, “Nonlinear System Identification Using a Subband Adaptive Volterra Filter”, IEEE Transactions on Instrumentation and Measurement, Volume 58, Issue 5, May 2009, pp. 1389 – 1397.

· B. Laska, R.A. Goubran, M. Bolic, “Improved Proportionate Subband NLMS for Acoustic Echo Cancellation in Changing Environments”, IEEE Signal Processing Letters, Vo.15, 2008, pp. 337-340.

· Z. Lin, R.A. Goubran, R.M. Dansereau, "Noise Estimation using Speech/Non-Speech Frame Decision and Sub-Band Spectral Tracking", Speech Communication, Elsevier,Volume 49, Issues 7-8, July-August 2007, pp. 542-557.

· Lijing Ding, Zhong Lin, Ayman Radwan, Mohamed Samy El-Hennawey and Rafik A. Goubran, "Non-Intrusive Single-Ended Speech Quality Assessment in VoIP", Speech Communication, Elsevier, Volume 49, Issue 6, June 2007, pp. 477-489

· J.D. Gordy, R.A. Goubran, "Statistical Analysis of Doubletalk Detection for Calibration and Performance Evaluation”, IEEE Transactions on Audio, Speech, and Language Processing, volume 15, issue 3, March 2007, pp. 1035-1043.

· J. Dmochowski, R.A. Goubran, “Decoupled Beamforming and Noise Cancellation”, IEEE Transactions on Instrumentation and Measurement, volume 56, issue 1, February 2007, pp. 80-88.

· L. Ding, M.S. El-Hennawey, R.A. Goubran, “Non-Intrusive Measurement of Echo-Path Parameters in VoIP Environments”, IEEE Transactions on Instrumentation and Measurement, volume 55, issue 6, December 2006, pp. 2062-2071.

· A.R. Abu-El-Quran, R.A. Goubran, A.D.C. Chan, “Security Monitoring Using Microphone Arrays and Audio Classification”, IEEE Transactions on Instrumentation and Measurement, volume 55, issue 4, August 2006, pp. 1025-1032.

· J. D. Gordy, R.A. Goubran, "Fast System Identification Using Affine Projection and A Critically Sampled Subband Adaptive Filter", IEEE Transactions on Instrumentation and Measurement, volume 55, issue 4, August 2006, pp. 1242-1249.

· L. Ding, A. Radwan, M.S. El-Hennawey, R.A. Goubran, “Measurement of the Effects of Temporal Clipping on Speech Quality”, IEEE Transactions on Instrumentation and Measurement, volume 55, issue 4, August 2006, pp. 1197-1203.

· James Gordy, Rafik Goubran, "On the Perceptual Performance Limitations of Echo Cancellers in Wideband Telephony", IEEE Transactions on Audio, Speech and Language Processing, volume 14, issue 1, January 2006, pp. 33 - 42.

· Ning Ma, Martin Bouchard, Rafik Goubran, "Speech Enhancement Using a Masking Threshold Constrained Kalman Filter", IEEE Transactions on Audio, Speech and Language Processing, volume 14, issue 1, January 2006, pp. 19 - 32.

· Rosa Zheng, Rafik Goubran, Mohamed El-Tanany, and H. Shi, "A Microphone Array System for Multimedia Applications with Near Field Signal Targets", IEEE Sensors Journal, volume 5, issue 6, December 2005, pp. 1395 - 1406.

· Lo, R.A. Goubran, R. Dansereau, "Robust Joint Audio-Video Localization in Video Conferencing Using Reliability Information: BN Fusion", IEEE Transactions on Instrumentation and Measurement, vol. 54, no. 4, August 2005, pp. 1541 - 1547.

· Suryani Chao, John Chinneck, Rafik Goubran, "Assigning Service Requests in Voice-Over-Internet Gateway Multiprocessors", Computers & Operations Research, Elsevier, vol.31, no.14, December 2004, pp. 2419 - 2437.

· Rosa Zheng, Rafik Goubran, Mohamed El-Tanany, "Robust Near-Field Adaptive Beamforming with Distance Discrimination", IEEE Transactions on Speech and Audio Processing, vol. 12, no. 5, September 2004, pp. 478 - 488.

· David Lo, Rafik Goubran, Richard Dansereau, Graham Thompson, Dieter Schulz, "Robust Audio-Video Localization in Video Conferencing Using Reliability Information", IEEE Transactions on Instrumentation and Measurement, vol. 53, no. 4, August 2004, pp. 1132 - 1139.

· Rosa Zheng, Rafik Goubran and Mohamed El-Tanany, "Experimental Evaluation of a Nested Microphone Array with Adaptive Noise Cancellers,'' IEEE Transactions on Instrumentation and Measurement, vol. 53, no. 3, June 2004, pp.777 - 786.

· T. Yensen, J.P. Lariviere, I. Lambadaris, and R.A. Goubran, "HMM Delay Prediction Technique for VoIP", IEEE Transactions on Multimedia, Volume 5, Issue 3 , September 2003, pp. 444 - 457

· J.W. Chinneck, V. Pureza, R.A. Goubran, G.M. Karam, M. Lavoie, "A Fast Task-to-Processor Assignment Heuristic for Real-Time Multiprocessor DSP Applications", Computers & Operations Research, Volume 30, Issue 5, April 2003, pp. 643 - 670

· J.G. Ryan, R.A. Goubran, "Application of Near-Field Optimum Microphone Arrays to Handsfree Mobile Telephony", IEEE Transactions on Vehicular Technology, Volume 52, Issue 2, March 2003, pp. 390 - 400

· Nemer, R.A. Goubran, S.A. Mahmoud, "Speech Enhancement Using Fourth-Order Cumulants and optimum Filters in the Subband Domain", Speech Communication, Elsevier, Vol. 36/3-4, February 2002, pp. 219 - 246

· Nemer, R.A. Goubran, and S.A. Mahmoud, "Robust Pitch Estimation and Voicing Detection using Higher-Order Statistics in the LPC Domain", IEEE Transactions on Speech and Audio Processing. vol. 9, no. 3, March 2001, pp. 217 - 231.

· T.Yensen, R.A. Goubran, I. Lambadaris, "Synthetic Stereo Acoustic Echo Cancellation Structure for Multiple Participant VoIP Conferences", IEEE Transactions on Speech and Audio Processing. vol. 9, no. 2, February 2001, pp. 168 - 174.

· J.G. Ryan and R.A. Goubran "Optimum Near-Field Performance of Microphone Arrays Subject to a Far-Field Beam Pattern Constraint", Journal of the Acoustical Society of America (JASA), vol. 108, no. 5, part 1, November 2000, pp. 2248 - 2255.

· J.P. Lariviere, R.A. Goubran, "GMDF for Noise Reduction and Echo Cancellation", IEEE Signal Processing Letters, vol. 7, no. 8, August 2000, pp. 230 - 233

· J.G. Ryan, R.A. Goubran, "Array Optimization Applied in the Near Field of a Microphone Array", IEEE Transactions on Speech and Audio Processing. vol. 8, no. 2, March 2000, pp173-176

· Nemer, R.A. Goubran, S.A. Mahmoud, "SNR Estimation of Speech Signals Using Subbands and Fourth-Order Statistics", IEEE Signal Processing Letters, vol.6, no.7, July 1999, pp. 171-175.

· A.N. Birkett and R.A. Goubran, "Nonlinear Loudspeaker Compensation for Hands Free Acoustic Echo Cancellation", IEE Electronics Letters, Vol. 32, No. 12, p. 1063, June 1996.

· R.B. Wallace and R.A. Goubran, "Noise Cancellation Using Parallel Adaptive Filter Structures", IEEE Transactions on Circuits and Systems, Volume 39 CAS-II, Number 4, pp. 239-243, April 1992.

· R.B. Wallace and R.A. Goubran, "Improved Tracking Adaptive Noise Canceler for Non-Stationary Environments", IEEE Transactions on Signal Processing, Volume SP-40, Number 3, pp. 700-703, March 1992.

· R.A. Goubran, H.M. Hafez, and A.U.H. Sheikh, "Implementation of a Real-Time Mobile Channel Simulator on a DSP Chip", IEEE Transactions on Instrumentation and Measurement, volume IM-40, Number 4, pp. 709-714, August 1991.

· R.A. Goubran, and A.H. Lawrence, "Experimental Signal Analysis in Ion Mobility Spectrometry", International Journal of Mass Spectrometry and Ion Processes, volume 104 (1991), pp. 163-178.

· H.M. Hafez, S. Towaij, and R.A. Goubran, "The Effect of User's Geographical Distribution on the Utilization of Radio Spectrum", IEEE Transactions on Electromagnetic Compatibility, volume EMC-32, Number 4, pp. 284-291, November 1990.

Recent Conference Publications:

· S. Rahimi, A.D.C. Chan, R. Goubran, “Usage monitoring of electrical devices in a smart home," in Proc. International Conference of the IEEE Engineering in Medicine and Biology (EMBC11), Boston, MA, U.S.A., September 2011.

· D. Townsend, F. Knoefel and R. Goubran, "Privacy versus autonomy: A trade off model for smart home monitoring technologies," in Proc. International Conference of the IEEE Engineering in Medicine and Biology (EMBC11), Boston, MA, U.S.A., September 2011.

· M. Holzman, D. Townsend, R. Goubran, F. Knoefel, “Breathing Sensor Selection During Movement”, in Proc. International Conference of the IEEE Engineering in Medicine and Biology (EMBC11), Boston, MA, U.S.A., September 2011.

· Geoff Green, Adrian Chan, Rafik Goubran, “Tracking Food Spoilage in the Smart Home using Odour Monitoring,” in proc. IEEE International Symposium on Medical Measurements and Applications, Bari, Italy, May 2011, pp. 284-287.

· Daphne Townsend, Rafik Goubran, Frank Knoefel, "Amplitude-Based Central Apnea Screening,” in proc. IEEE International Symposium on Medical Measurements and Applications, Bari, Italy, May 2011, pp. 395-398.

· Jelena Nikolic-Popovic, Rafik Goubran, “Measuring Heart Rate, Breathing Rate and Skin Conductance During Exercise,” in proc. IEEE International Symposium on Medical Measurements and Applications, Bari, Italy, May 2011, pp. 507-511.

· Megan Holtzman, Rafik Goubran, Frank Knoefel, “Maximal Ratio Combining for Respiratory Effort Extraction from Pressure Sensor Arrays”, in proc. IEEE International Symposium on Medical Measurements and Applications, Bari, Italy, May 2011, pp. 88-92.

· Amaya Arcelus, Rafik Goubran, Frank Knoefel, H. Sveistrup, M. Bilodeau, “Detection of Bouncing During Sit-to-stand Transfers with Sequential Pressure Images,” in proc. IEEE International Symposium on Medical Measurements and Applications, Bari, Italy, May 2011, pp. 158-161.

· H. Chatrzarrin, A. Arcelus, R. Goubran, F. Knoefel, “Feature Extraction for the Differentiation of Dry and Wet Cough Sounds,” in proc. IEEE International Symposium on Medical Measurements and Applications, Bari, Italy, May 2011, pp. 162-166.

· Xiaochuan He, Rafik Goubran, Peter Liu, “Signal Enhancement of Wearable ECG Monitoring Sensors Based on Ensemble Empirical Mode Decomposition,” in proc. IEEE International Symposium on Medical Measurements and Applications, Bari, Italy, May 2011, pp. 433-436.

· Heidi Sveistrup, Megan Fitzpatrick, Jana MacLeod, Olinda Habib, Amaya Arcelus, Martin Bilodeau, Rafik Goubran, Frank Knoefel. "Clinical populations can be distinguished on sit-to-stand movement parameters." Archives of Physical Medicine and Rehabilitation, Vol. 91, Issue 10, Page 58, October 2010.

· Daphne Townsend, Rafik Goubran, Monique Frize, Frank Knoefel, "Measuring Chest Movement with an Array of Unobtrusive Pressure Sensors", in proc. IEEE International Instrumentation and Measurement Technology Conference (I2MTC), Austin Texas, May 2010, pp. 1053 – 1056.

· I. Veledar, A. Arcelus, R. Goubran, F. Knoefel, H. Sveistrup, M. Bilodeau, "Sit-to-stand Timing Measurements using Pressure Sensitive Technology", in proc. IEEE International Instrumentation and Measurement Technology Conference (I2MTC), Austin Texas, May 2010, pp. 1337 – 1340.

· Brady Laska, Miodrag Bolic, Rafik Goubran, “Coherence-Assisted Wiener Filter Binaural Speech Enhancement”, in proc. IEEE International Instrumentation and Measurement Technology Conference (I2MTC), Austin Texas, May 2010, pp. 876 – 881.

· Amaya Arcelus, Rafik Goubran, Heidi Sveistrup, Martin Bilodeau, Frank Knoefel, “Context-Aware Smart Home Monitoring Through Pressure Measurement Sequences, in proc. IEEE International Workshop on Medical Measurements and Applications (MeMeA), Ottawa, Canada, April 2010, pp. 32 – 37.

· Daphne Townsend, Megan Holtzman, Rafik Goubran, Monique Frize, Frank Knoefel, “Effect of Windowing on Central Apnea Detection”, in proc. IEEE International Workshop on Medical Measurements and Applications (MeMeA), Ottawa, Canada, April 2010, pp. 117 – 120.

· Megan Holtzman, Daphne Townsend, Rafik Goubran, Frank Knoefel, “Validation of Pressure Sensors for Physiological Monitoring in Home Environments”, in proc. IEEE International Workshop on Medical Measurements and Applications (MeMeA), Ottawa, Canada, April 2010, pp. 38 – 42.

· Daphne Townsend, Rafik Goubran, Monique Frize, and Frank Knoefel, “Effect of Sensor Position on Unobtrusive Rollover Detection for Long-Term Sleep Monitoring in Smart Homes”, in Proc. International Conference of the IEEE Engineering in Medicine and Biology Society, (EMBC'09), Minneapolis, Minnesota, USA, September 2009, pp. 6135-6138.

· Amaya Arcelus, Megan Holtzman, Rafik Goubran, Heidi Sveistrup, Paulette Guitard, and Frank Knoefel, "Analysis of Commode Grab Bar Usage for the Monitoring of Older Adults in the Smart Home Environment”, in Proc. International Conference of the IEEE Engineering in Medicine and Biology Society, (EMBC'09), Minneapolis, Minnesota, USA, September 2009, pp. 6155-6158.

· Geoffrey Green, Adrian Chan, and Rafik Goubran, “Identification of Food Spoilage in the Smart Home based on Neural and Fuzzy Processing of Odour Sensor Responses”, in Proc. International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC'09), Minneapolis, Minnesota, USA, September 2009, pp. 2626-2628.

· Daphne Townsend, Megan Holtzman, Rafik Goubran, Monique Frize, Frank Knoefel, “Simulated Central Apnoea Detection Using the Pressure Variance”, in Proc. International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC'09), Minneapolis, Minnesota, USA, September 2009, pp. 3917-3920.

· Kyle Mulligan, Andy Adler, and Rafik Goubran, “Detecting Regional Lung Properties using Audio Transfer Functions of the Respiratory System”, in Proc. International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC'09), Minneapolis, Minnesota, USA, September 2009, pp. 5697-5700.

· Ming Ye Yuan, James. R. Green, and Rafik Goubran, “Stove Top Thermal Monitoring for Assisted Living at Home”, in Proc. Conference of the Canadian Medical and Biological Engineering Society, Calgary, Alberta, May 2009.

· Pam Carlson, Nick Foubert, Frank Knoefel, Rafik Goubran, Martin Bilodeau and Heidi Sveistrup, “Smart Mat Technology: Can it Differentiate Bed Transfers in Young Healthy, Old Healthy and Old Stroke Populations”, Canadian Geriatrics Society Annual General Meeting, 2009, Toronto, Canada, April 2009.

· Geoffrey Green, Adrian Chan, and Rafik Goubran, “Monitoring of Food Spoilage with Electronic Nose: Potential Applications for Smart Homes”, in Proc. 3rd International Conference on Pervasive Computing Technologies for Healthcare, Pervasive Health 2009, London, U.K., April 2009, pp. 1-7.

· M. Holtzman, A. Arcelus, R.A. Goubran, F. Knoefel, “Breathing Signal Fusion in Pressure Sensor Arrays, in Proc. of the IEEE International Workshop on Medical Measurements and Applications, 2008. MeMeA 2008, Ottawa, On. May 2008, pp. 71-76.

· C. Herry, M. Frize, R.A. Goubran, “Search for abnormal thermal patterns in clinical thermal infrared imaging”, in Proc. of the IEEE International Workshop on Medical Measurements and Applications, 2008. MeMeA 2008, Ottawa, On. May 2008, pp. 61-65.

· T. Burton, F. Beaucoup, R.A. Goubran, “Nonlinear System Identification Using a Subband Adaptive Volterra Filter”, in Proc. of the IEEE International Instrumentation and Measurement Technology Conference, I2MTC 2008, Victoria, B.C., May 2008, pp.939-944.

· G.C. Green, A.D.C. Chan, R.A. Goubran, B.S. Luo, L. Min, “A Rapid and Reliable Method of Discriminating between Listeria Species Based on Raman Spectroscopy”, in Proc. of the IEEE International Instrumentation and Measurement Technology Conference, I2MTC 2008, Victoria, B.C., May 2008, pp.513-517.

· E.Hanna, P. Straznicky, R.A.Goubran, “Obstacle Detection for Low Flying Unmanned Aerial Vehicles Using Stereoscopic Imaging”, in Proc. of the IEEE International Instrumentation and Measurement Technology Conference, I2MTC 2008, Victoria, B.C., May 2008, pp.113-118.

· C. Herry, R.A. Goubran, M. Frize, “Improving the Detection and Localization of Anatomical Landmark Points in Infrared Images Using Symmetry and Region Specific Constraints”, in Proc. of the IEEE International Instrumentation and Measurement Technology Conference, I2MTC 2008, Victoria, B.C., May 2008, pp.1306-1311.

· A.R. Abu-El-Quran, R.A. Goubran, A.D.C. Chan, “Security Instrument using Talker Identification and Microphone Arrays in Variable Noisy Environments“, in Proc. of the IEEE International Instrumentation and Measurement Technology Conference, I2MTC 2008, Victoria, B.C., May 2008, pp.1046-1050.

· Arcelus, M. Holtzman, I. Veledar, R.A. Goubran, H. Sveistrup, P. Guitard, “Contact Location Estimation from a Nonlinear Array of Pressure Sensors,“ in Proc. of the IEEE International Instrumentation and Measurement Technology Conference, I2MTC 2008, Victoria, B.C., May 2008, pp.1969-1973.

· J.D. Gordy, F. Beaucoup, R.A. Goubran, “Delayed adaptation for improved doubletalk resilience in adaptive echo cancellers”, in Proc. of the IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP 2008, Las Vegas, Nevada, USA, pp.249-252, April 2008.

· F. Knoefel, L. Patrick, R.A. Goubran, "SmartCells Dual-Stiffness Flooring: Does it Reduce Falls-Related Injuries Among Frail Older Adults?", Regional Geriatric Program - Annual General Meeting. Ottawa, Canada, October, 2007.

· A.R. Abu-El-Quran, J. Gammal, R.A. Goubran, A.D.C. Chan, "Talker Identification Using Reverberation Sensing System," in Proc. of the IEEE Sensors Conference, Atlanta, Georgia, October 2007, pp. 970-973.

· Geoff Green, Adrian Chan, Rafik Goubran, “Dimensionality Reduction on E-nose Bacteria Data”, in Proc. of the Canadian Medical and Biological Engineering Society Conference, Toronto, Canada, June 2007.

· Christopher McLellan, Adrian Chan, Rafik Goubran, “Artifact Compensation in Nonlinear Signals”, in Proc. of the Canadian Medical and Biological Engineering Society Conference, Toronto, Canada, June 2007.

· Frank Knoefel, Louise Patrick, Rafik Goubran, "SmartCells Dual-Stiffness Flooring: Does it Reduce Fall-Related Injuries Among Frail Older Adults", International Conference on Care-Giving, Disability, Aging, and Technology (FICCDAT), Toronto, Canada, June 2007.

· Christophe Herry, Rafik Goubran, Monique Frize, "Segmentation of Infrared Images Using Cued Morphological Processing of Edge Maps", in Proc. of the IEEE Instrumentation and Measurement Technology Conference, IMTC 2007, Warsaw, Poland, May 2007.

· Amaya Arcelus, Megan Howell Jones, Rafik Goubran, Frank Knoefel, "Integration of Smart Home Technologies in a Health Monitoring System for the Elderly", IEEE First International Workshop on Smart Homes for Tele-Health, Smartel 2007, Niagara Falls, Canada, May 2007.

· Trevor Burton, Rafik Goubran, "A New Structure for Combining Echo Cancellation and Beamforming in Changing Acoustical Environments", in Proc. of the IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP 2007, Honolulu, Hawaii, USA, Volume 1, pp. I-77 - I-80, April 2007.

· Brady Laska, Frank Beaucoup, Rafik Goubran, "Non-Wiener Phenomenon in Oversampled Subband Adaptive Filters", in Proc. of the IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP 2007, Honolulu, Hawaii, USA, Volume 3, pp. III-1337 - III-1340, April 2007.

· Frank Knoefel, Rafik Goubran, Megan Howell Jones, "Using a Bed Sensor Array to Monitor Sleep", Annual Scientific Meeting of the Canadian Geriatric Society, Banff, Alberta, Canada, Volume 10, Issue 1, pp. 33-34, April 2007.

· L. Ding, A. Radwan, M. S. El-Hennawey and R. A. Goubran, “Performance study of objective voice quality measures in VoIP,” IEEE Symposium on Computers and Communications, ISCC 2007, Aveiro, Portugal, April 2007.

· M. Howell Jones, A. Arcelus, R.A. Goubran, F.D. Knoefel, "A Pressure Sensitive Home Environment", in Proc. of the IEEE Haptics, Audio and Visual Environments and Their Applications, HAVE 2006, Ottawa, Canada, November 2006.

· A.R. Abu-El-Quran, R.A. Goubran, A.D.C. Chan, "Adaptive feature selection for speech/music classification," in Proc. International Workshop on Multimedia Signal Processing, Victoria, Canada, pp. 212-216, October 2006.

· Herry, M. Frize, R.A. Goubran, “Segmentation and Landmark Identification in Infrared Images of the Human Body”, in Proc. of the 28th IEEE Annual International Conference on Engineering in Medicine and Biology Society, New York, USA, September 2006.

· G. Green, A.D.C. Chan, R.A. Goubran, “An Investigation into the Suitability of Using Three Electronic Nose Technologies for the Detection and Discrimination of Bacteria Types”, in Proc. of the 28th IEEE Annual International Conference on Engineering in Medicine and Biology Society, New York, USA, September 2006.

· C.J. McLellan, A.D.C. Chan, R.A. Goubran, “Aspects of Nonlinear Dielectric Spectroscopy of Biological Cell Suspensions”, in Proc. of the 28th IEEE Annual International Conference on Engineering in Medicine and Biology Society, New York, USA, September 2006.

· M. Howell Jones, R.A. Goubran, and F. Knoefel, “Reliable Respiratory Rate Estimation From A Bed Pressure Array”, in Proc. of the 28th IEEE Annual International Conference on Engineering in Medicine and Biology Society, New York, USA, September 2006.

· J.D. Gordy, R.A. Goubran, “Post Filtering for Suppression of Residual Echo from Vocoder Distortion in Packet-Based Telephony,” in Proc. of the 2006 IEEE International Conference on Multimedia and Expo, pp. 1953 – 1956, July 2006.

· J.D. Gordy, R.A. Goubran, “Online Doubletalk Detector Calibration For Acoustic Echo Cancellation in Videoconferencing Systems,” in Proc. of the 2006 IEEE International Conference on Multimedia and Expo, pp. 1957 – 1960, July 2006.

· Anita McKee, Rafik Goubran, "Cough Sound Characterization Using DSP Methods," in Proc. of the Canadian Medical and Biological Engineering Society Conference, Vancouver, BC, May 2006.

· Megan Howell-Jones, Frank Knoefel, Rafik Goubran, "Identifying Movement Onset Times for a Bed-Based Pressure Sensor Array", in Proc. of the 2006 IEEE International Workshop on Medical Measurement and Applications, Benevento, Italy, April 2006.

· Anita McKee, Rafik Goubran, "Chest Sound Pick-Up using a Multi-Sensor Array", in Proc. IEEE Sensors Conference, Irvine, California, USA, November 2005.

· James Gordy, Rafik Goubran, "A low-complexity doubletalk detector for acoustic echo cancellers in packet-based telephony", in Proc. IEEE Workshop on Applications of Signal Processing to Audio and Acoustics, WASPAA 2005, New Paltz, New York, USA, pp.74 - 77, October 2005.

· Megan Howell-Jones, Frank Knoefel, Rafik Goubran, "Nocturnal Monitoring of Elderly Patients with a Bed Placed Pressure Pan", 34th Annual Meeting of the Canadian Association on Gerontology, Halifax, Nova Scotia, Canada, October 2005.

· James Gordy and Rafik Goubran, "A subband doubletalk detector for echo cancellation in hands-free environments", in Proc. of the 62nd IEEE Vehicular Technology Conference, VTC 2005, Dallas, Texas, USA, pp. 1397-1401, September 2005.

· Christophe Herry, Monique Frize, Rafik Goubran, Gilles Comeau, "Evolution of the Surface Temperature of Pianists' Arm Muscles Using Infrared Thermography", in Proc. of the IEEE 27th Annual International Conference of the Engineering in Medicine and Biology Society, EMBS 2005, Shanghai, China, pp. 1687-1690, September 2005.

· James Gordy, Rafik Goubran, "A Perceptual Performance Measure for Adaptive Echo Cancellers in Packet-Based Telephony", in Proc. IEEE International Conference on Multimedia and Expo, ICME 2005, Amsterdam, The Netherlands, pp. 157-160, July 2005.

· M. Tanabian, R.A. Goubran, "Accent Adaptation in Speech User Interface", in Proc. of IEEE International Conference On Virtual Environments, Human-Computer Interfaces, and Measurement Systems, Sicily, Italy, July 2005.

· Anita McKee, Rafik Goubran, "Sound Localization in the Human Thorax", in Proc. of the IEEE Instrumentation and Measurement Technology Conference, IMTC 2005, Ottawa, Canada, pp 117-122, May 2005.

· H. Chen, R.A. Goubran, T. Mussivand, "Multi-Dimension Combining (MDC) in Classification Accuracy Improvement of Electronic noses", in Proc. of the IEEE Instrumentation and Measurement Technology Conference, IMTC 2005, Ottawa, Canada, pp. 683-686, May 2005.

· Joseph Gammal, R.A. Goubran, "Combating Reverberation in Speaker Verification", in Proc. of the IEEE Instrumentation and Measurement Technology Conference, IMTC 2005, Ottawa, Canada, pp. 687-690, May 2005.

· J. Dmochowski, R.A. Goubran, "Combined Beamforming and Noise Cancellation", in Proc. of the IEEE Instrumentation and Measurement Technology Conference, IMTC 2005, Ottawa, Canada, pp. 1033-1037, May 2005.

· A.R. Abu-El-Quran , R.A. Goubran, "Security Monitoring using Microphone Arrays and Audio Classification", in Proc. of the IEEE Instrumentation and Measurement Technology Conference, IMTC 2005, Ottawa, Canada, pp. 1144-1148, May 2005.

· L. Ding, M.S. El-Hennawey, R.A. Goubran, "Measurement of the Effects of Temporal Clipping on Speech Quality", in Proc. of the IEEE Instrumentation and Measurement Technology Conference, IMTC 2005, Ottawa, Canada, pp. 1135-1138, May 2005.

· M. Tanabian, R.A. Goubran, "Speech Accent Identification with Vocal Tract Variation Trajectory Tracking Using Neural Networks", in Proc. IEEE International Conference on Computational Intelligence for Homeland Security and Personal Safety, Orlando, Florida, USA, pp. 117-121, April 2005.

· A.R. Abu-El-Quran , R.A. Goubran, "Adaptive Pitch-Based Speech Detection for Hands-Free Applications", in Proc. of the IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP 2005, Philadelphia, Pennsylvania, USA, vol.3, pp. 305-308, March 2005.

· Zhong Lin, Rafik Goubran, "Instant Noise Estimation Using Fourier Transform of AMDF and Variable Start Minima Search", in Proc. of the IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP 2005, Philadelphia, Pennsylvania, USA, vol.3, pp.161-164, March 2005.

· Ning Ma, Martin Bouchard, Rafik Goubran, "A Wavelet Kalman Filter with Perceptual Masking for Speech Enhancement in Colored Noise", in Proc. of the IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP 2005, Philadelphia, Pennsylvania, USA, vol.3, pp.149-152, March 2005.

· J. D. Gordy and R. A. Goubran, "Reduced-Delay Mixing of Compressed Speech Signals for VoIP and Cellular Telephony," in Proc. of the 38th IEEE Asilomar Conference on Signals, Systems and Computers, Pacific Grove, California, USA, November 2004.

· Hong Chen, Rafik. A. Goubran, Tofy Mussivand, "Improving the Classification Accuracy in Electronic Noses Using Multi-Dimension Combining (MDC)", in Proc. of the IEEE sensors Conference, Vienna, Austria, October 2004.

· Anita McKee, Rafik Goubran, "Beam Shape, Focus Index, and Localization Error for Performance Evaluation of a Multisensor Stethoscope Beamformer", in Proc. of the International Conference of the IEEE Engineering in Medicine and Biology Society, EMBS 2004, San Francisco, USA, 3.2.3-6, September 2004.

· Anita McKee, Rafik Goubran, "Multisensor Stethoscope for Chest Sound Localization," in Proc. of the Canadian Medical and Biological Engineering Society Conference, Quebec City, Canada, pp.106-109, September 2004.

· David Lo, Rafik Goubran and Richard Dansereau, "Multimodal Talker Localization in Video Conferencing Environments," in Proc. of the 3rd IEEE Haptics, Audio and Visual Environments and Their Applications, (HAVE 2004), Ottawa, Canada, September 2004.

· Jacek Dmochowski and Rafik Goubran, "Noise Cancellation Using Fixed Beamforming," in Proc. of the 3rd IEEE Haptics, Audio and Visual Environments and Their Applications, (HAVE 2004), Ottawa, Canada, September 2004.

· Mina Labib, Mohamed El-Tanany, Rafik Goubran, "A novel multitarget adaptive array algorithm for wireless CDMA systems using block affine projection", in Proc. of the IEEE Vehicular Technology Conference, VTC 2004, Los Angeles, California, USA, September 2004.

· Osamu Hoshuyama, Rafik Goubran, Akahiko Sugiyama, "A Generalized Proportionate Variable Step-Size Algorithm for Fasrt Changing Acoustic Environments", in Proc. of the IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP-2004, Montreal, Canada, May 2004.

· Ning Ma, Martin Bouchard, Rafik Goubran, "Perceptual Kalman Filtering for Speech Enhancement in Colored Noise", in Proc. of the IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP-2004, Montreal, Canada, May 2004.

· James Gordy and Rafik Goubran, "A Combined LPC-Based Speech Coder and Filtered-X LMS Algorithm for Acoustic Echo Cancellation", in Proc. of the IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP-2004, Montreal, Canada, May 2004.

· David Lo, Rafik Goubran, Richard Dansereau, "Robust Audio-Video Localization in Video Conferencing Using Reliability Information II: Bayesian Network Fusion", in Proc. of the 21^st IEEE Instrumentation and Measurement Technology Conference, IMTC-2004, Como, Italy, May 2004.

· Osamu Hoshuyama and Rafik Goubran, "A New Adaptation Algorithm for Echo Cancellation in Fast Changing Environments", in Proc. of the 18^th International Congress on Acoustics, ICA-2004, Kyoto, Japan, April 2004.

· L.Ding, R.A. Goubran, "Speech Quality Prediction in VoIP Using the Extended E-Model", in Proc. of the IEEE Globecom 2003 Conference, San Francisco, December 2003, Vol.7, pp. 3974-3978.

· Y. R. Zheng, R.A. Goubran, M. El-Tanany, "A Nested Sensor Array Focusing on Near Field Targets", in Proc. of the 2nd IEEE International Conference on Sensors, Toronto, Canada, October 2003.

· Changliang Li, Richard Dansereau, Rafik Goubran, "Acoustic Speech to Lip Feature Mapping for Multimedia Applications," in Proc. of the IEEE 3rd International Symposium on Image and Signal Processing and Analysis, Rome, Italy, September 2003.

· Zhong Lin, R. Goubran, "Musical noise reduction in speech using two-dimensional spectrogram enhancement" in Proc. of the 2nd IEEE International Workshop on Haptic, Audio and Visual Environments and Their Applications, 2003, HAVE 2003. Ottawa, Canada, September 2003, pp. 61-64.

· L. Ding, R. Goubran, "Assessment of effects of packet loss on speech quality in VoIP", in Proc. of the 2nd IEEE International Workshop on Haptic, Audio and Visual Environments and Their Applications, 2003, HAVE 2003. Ottawa, Canada, September 2003, pp. 49-54.

· Abu-El-Quran, R. Goubran, "Pitch-based feature extraction for audio classification", in Proc. of the 2nd IEEE International Workshop on Haptic, Audio and Visual Environments and Their Applications, 2003, HAVE 2003. Ottawa, Canada, September 2003, pp.43-47.

· R.M. Dansereau, C. Li, R. Goubran, "Lip feature extraction using motion, color, and edge information", in Proc. of the 2nd IEEE International Workshop on Haptic, Audio and Visual Environments and Their Applications, 2003, HAVE 2003. Ottawa, Canada, September 2003, pp.1-6.

· Ning Ma, Martin Bouchard, Rafik Goubran, "A Perceptual Kalman Filtering-Based Approach for Speech Enhancement", in Proc. of the IEEE Seventh International Symposium on Signal Processing and its Applications, ISSPA-2003, Paris, France, July 2003.

· David Lo, Rafik Goubran, Joseph Gammal, Graham Thompson, Dieter Schulz, "Robust Audio-Video Localization in Video Conferencing Using Reliability Information", in Proc. of the 20th IEEE Instrumentation and Measurement Technology Conference, IMTC-2003, Vail, Colorado, pp. 1414-1418, May 2003.

· Y.R. Zheng, R.A. Goubran, M. El-Tanany, "On Constraint Design and Implementation for Broadband Adaptive Array Beamforming", in Proc. of the IEEE International Conf. on Acoustics, Speech, and Signal Proc., ICASSP-2002, Orlando, Florida, vol. 3, pp. 2917-2920, May 2002.

· T. Yensen, R.A. Goubran, "An Acoustic Echo Cancellation Structure for Synthetic Surround Sound", in Proc. of the IEEE International Conf. on Acoustics, Speech, and Signal Proc., ICASSP-2001, vol. 5, pp. 3237-3240, May 2001

· Y.R. Zheng, R.A. Goubran, M. El-Tanany, "A Broadband Adaptive Beamformer using Nested Arrays and Multirate Techniques", Proceedings of the IEEE DSP Workshop, Hill County, TX, USA, October 2000.

· J.P. Lariviere, R.A. Goubran, "Noise-Reduced GMDF for Acoustic Echo cancellation and Speech Recognition in Mobile Environments", Proceedings of the IEEE Vehicular Technology Conference, VTC-2000, Boston, MA, USA, September 2000.

· Y.R. Zheng, R.A. Goubran, M. El-Tanany, "Coherent Interference Suppression with an Adaptive Array using the Spacial Affine Projection Algorithm", Proceedings of the IEEE Vehicular Technology Conference, VTC-2000, Boston, MA, USA, vol.1, pp. 105-109, September 2000.

· Y. Huang, R.A. Goubran, "Effects of Vocoder Distortion on Network Echo Cancellation", Proceedings of the IEEE International Conference on Mutimedia and Expo ICME 2000, New York, NY, USA, August 2000.

· Y.R. Zheng, R.A. Goubran, "Adaptive Beamforming using the Affine Projection Algorithm", Proceedings of the IEEE Internation Conference on Signal Processing 2000, ICSP 2000, Beijing, P.R. China, August 2000.

· T.Yensen, M. Parperis, R.A. Goubran, I. Lambadaris, "Synthetic Stereo Acoustic Echo Cancellation Structure with Microphone Array Beamforming for VoIP Conferences", Proceedings of the IEEE Internation Conference on Acoustics, Speech, and Signal Processing, ICASSP2000, Istanbul, Turkey, June 2000.

· E. Nemer, R.A. Goubran, and S.A. Mahmoud, , "Speech Enhancement Using Fourth-Order Cumulants and Subband Causal Filters", Proceedings of the International Conference on Signal Processing Applications, ICSPAT-99, Orlando, Florida, USA, November 1999.

· E. Nemer, R.A. Goubran, and S.A. Mahmoud, "The Fourth-Order Cumulant of Speech Signals with Application to Voice Activity Detection", Proceedings of Eurospeech 99, Budapest, Hungary, Vol. 5, pp. 2391-2394, September 1999.

· E. Nemer, R.A. Goubran, and S.A. Mahmoud, , "Speech Enhancement Using Fourth-Order Cumulants and Time-Domain Optimal Filters", Proceedings of Eurospeech 99, Budapest, Hungary, Vol. 6, pp. 2623-2626, September 1999.

· T.Yensen, M. Parperis, R.A. Goubran, I. Lambadaris, "Echo Target Determination Using Acoustic Round Trip Delay for Voice Over IP Conferences", Proceedings of the IEEE International Symposium on Circuits and Systems, ISCAS99, Orlando, Florida, May 1999.

· T. Yensen, M. Parperis, I. Lambadaris, R.A. Goubran, "Determining Acoustic Round Trip Delay for VoIP Conferences", Proceedings of the IEEE MMSP98, pp. 161-166, December 1998.

· E. Nemer, R.A. Goubran, S.A. Mahmoud, "Noise Estimation Using Higher Order Statistics for Improved Speech Enhancement", Proceedings of the International Conference on Signal and Image Processing (SIP'98), October 98.

· E. Nemer, R.A. Goubran, S.A., Mahmoud, "The Third Cumulant of Speech Signals with Application to Robust Pitch Estimation", Proceedings of the Statistical Signal and Array Processing Workshop SSAP'98 pp. 427 - 430, September 98.

· T. Yensen, R.A. Goubran, I. Lambadaris, "A Multiple Participant CTI Acoustic Echo Cancellation Structure", IEEE NORSIG98, pp. 193-196, June 1998.

· J.P Lariviere and R.A. Goubran, "GMDF with Adaptive Reconstruction Filters and Zero Throughput Delay", Proceedings of the IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP-98, Seattle, Washington, USA, May 1998.

· J.G. Ryan and R.A. Goubran, "Optimum Near-Field Response for Microphone Arrays", Proceedings of the IEEE Workshop on Applications of Signal Processing to Audio and Acoustics, WASPAA-97, Mohonk Mountain House, New Paltz, New York, USA, October 1997.

· E. Nemer, R.A. Goubran, and S.A. Mahmoud, "Voicing Decision and Pitch Estimation Using Third-Order Statistics", Proceedings of the International Conference on Signal Processing Applications, ISCPAT-97, San Diego, CA, USA, September 1997.

· A.N. Birkett and R.A. Goubran, "Conjugate Gradient Reuse Algorithm Using a Variable Step-Size Line Search", Proceedings of the IEEE International Symposium on Circuits and Systems, ISCS-97, Hong Kong, June 1997.

· R.A. Goubran and A.H. Lawrence, "DSP Techniques for Narcotic Detection Using Ion Mobility Spectrometry", Proceedings of the IEEE Instrumentation and Measurement Technology Conference, IMTC-97, Vol. 1, pp. 404-408, Ottawa, Ontario, Canada, May 1997.

· E. Nemer, R.A. Goubran, and S.A. Mahmoud, "A Non Deterministic Scheduling and Allocation Model for Mapping Algorithms on Configurable Architectures", Proceedings of the Canadian Conference on Electrical and Computer Engineering, CCECE-97, St. John, New Foundland, Canada, May 1997.

· E. Nemer, R.A. Goubran, and S.A. Mahmoud, "An Efficient Algorithm for Computing the Triple Correlation", Proceedings of the Canadian Conference on Electrical and Computer Engineering, CCECE-97, St. John, New Foundland, Canada, May 1997.

· A.N. Birkett and R.A. Goubran, "Nonlinear Adaptive Filtering with FIR Synapses and Adaptive Activation Functions", Proceedings of the IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP-97, Munich, Germany, April 1997.

· J.G. Ryan and R.A. Goubran, "Near-Field Beamforming for Microphone Arrays", Proceedings of the IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP-97, Munich, Germany, April 1997.

· E. Nemer, R.A. Goubran, and S.A. Mahmoud, "Speech Enhancement Using Higher-Order Statistics", Proceedings of the International Conference on Signal Processing Applications, ICSPAT-96, Boston, MA, USA, Vol. 2, pp. 1645-1650, October 1996.

· A.N. Birkett and R.A. Goubran, "Fast Nonlinear Adaptive Filtering Using a Partial Window Conjugate Gradient Algorithm", Proceedings of the IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP-96, Atlanta, Georgia, USA, Vol. 6, pp. 3542-3545, May 1996.

· A.N. Birkett and R.A. Goubran, "Limitations of Handsfree Acoustic Echo Cancellers Due to Nonlinear Loudspeaker Distortion and Enclosure Vibration Effects", IEEE ASSP Workshop on Applications of Signal Processing to Audio and Acoustics, Mohonk Mountain House, New Paltz, New York, USA, October 1995.

· J.P. Lariviere, T. Mussivand, and R.A. Goubran, "Effect of Thrombus Simulants on the Acoustic Characteristics of Artificial Heart-Valves", IEEE International Conference on Engineering in Medicine and Biology, Montreal, Quebec, Canada, September 1995.

· A.N. Birkett and R.A. Goubran, "Nonlinear Echo Cancellation Using a Partial Adaptive Time Delay Neural Network", Proceedings of the IEEE Workshop on Neural Networks for Signal Processing, Cambridge, MA, USA, pp. 249-258, August 1995.

· G.J. Pan, A.J. Brammer, J. Zera, and R.A. Goubran, "Performance of Feedforward Adaptive Active Noise Control in a Circumaural Hearing Protector", 1995 International Symposium on Active Control of Sound and Vibration, Newport Beach, California, USA, July 1995.

· A.N. Birkett and R.A. Goubran, "Acoustic Echo Cancellation using NLMS-Neural Network Structures", Proceedings of the IEEE International Conference on Acoustic Speech and Signal Processing, ICASSP-95, Detroit, Michigan, USA, Vol. 5, pp. 3035-3038, May 1995.

· G.J. Pan, A.J. Brammer, J.G. Ryan, J. Zera, and R.A. Goubran, "Active Noise Reduction for Circumaural Hearing Protectors by Digital Feedforward Control", 128th Meeting of the Acoustical Society of America, Austin, Texas, USA, November 1994.

· S. Venkataraman, S.A. Mahmoud, and R.A. Goubran, "Parallel Adaptive Filter Structures for Equalization and Diversity Combining", International Conference on Universal Personal Communications, ICUPC-94, San Diego, California, pp. 204-209, October 1994.

· G.J. Pan, A.J. Brammer, R.A. Goubran, J.G. Ryan, J. Zera, "Broad-Band Active Noise Reduction in Communication Headsets by Digital Feedforward Control", Congress of the Canadian Acoustical Association, Ottawa, October 1994.

· A.N. Birkett, and R.A. Goubran, "Acoustic Echo Cancellation for Hands-Free Telephony using Neural Networks", Proceedings of the IEEE Workshop on Neural Networks for Signal Processing, Ermioni, Greece, pp. 249-259, September 1994.

· S. Venkataraman, S.A. Mahmoud, and R.A. Goubran, "Performance and Complexity of Equalization and Diversity Combining Methods in Wireless Communications", Proceedings of the Wireless 94 Conference, Calgary, Alberta, Canada, pp. 537-544, July 1994.

· M.E. Knappe, and R.A. Goubran, "Steady State Performance Limitations of Full-Band Acoustic Echo Cancellers", IEEE International Conference on Acoustic Speech and Signal Processing", ICASSP-94, Adelaine, Australia, pp. 2073-2077, April 1994.

· R.A. Goubran, H.M. Hafez, and A.W. Lawrence, "Digital Signal Processing Applications in Ion Mobility Spectrometry", International Symposium on Ion Mobility Spectrometry, Quebec City, Quebec, Canada, August 1993.

· A.W. Lawrence, R.A. Goubran, and H.M. Hafez, "Signal Improvement in Ion Mobility Spectrometry", SPIE-The International Society for Optical Engineering Symposium on Applications of Signal and Image Processing in Explosive Detection Systems, SPIE Vol. 1824, pp. 97-108, Boaston, MA, USA, November 1992.

· R.B. Wallace and R.A. Goubran, "Parallel Adaptive Filter Structures for Acoustic Noise Cancellation", Proceedings of the IEEE International Symposium on Circuits and Systems, San Diego, California, USA, pp. 525-528, May 1992.

· J. Ryan, and R.A. Goubran, "Adaptive Noise Cancelling in Sub-Bands", Canadian Conference on Electrical and Computer Engineering, Quebec City, Quebec, Canada, pp. 8.5.1-8.5.4, September 1991.

· Leon L. Lipoth, H.M. Hafez, and R.A. Goubran, "Electro-Retino-Graphical (ERG) Based Classification of the Eye Diseases", IEEE Annual International Conference on Engineering in Medecine and Biology Society, Orlando, Florida, USA, pp. 1417-1419, November 1991.

· R.A. Goubran, R. Hebert, and H.M. Hafez, "Acoustic Noise Suppression Using Regressive Adaptive Filtering", Proceedings of the IEEE 40th Vehicular Technology Conference, Orlando, Florida, pp. 48-53, May 1990.

· R. Hebert, R.A. Goubran, and H.M. Hafez, "Analysis of Background Acoustic Noise in Cars", Proceedings of the Canadian Conference on Electrical and Computer Engineering, Ottawa, Canada, pp. 21.4.1 - 21.4.5, September 1990.

· R. Botros and R.A. Goubran, "Applications of DSP to Acoustic Problems in Audio Teleconferencing", International Symposium on Signal Processing and its Applications, August 1988, Brisbane, Australia.

· H.M. Hafez, and R.A Goubran, "The Switched Tone Concept for Speech and Data Transm. over land mobile Channels", IEEE 37th Vehicular Technology Conference, June 1987, Tampa, Florida, pp. 532-540.

· R.A Goubran, H.M. Hafez, and A.B. Kerr, "Adaptive Speech Companding for Speech Transmission over mobile Channels", IEEE 37th Vehicular Technology Conference, June 1987, Tampa, Florida, pp. 13-18.

· R. Botros, O.A. Alim, P. Damaske, and R.A Goubran, "Stereophonic Telephony: Some Recent Advances", International Conference on Acoustics, (ICA), July 1986, Toronto, Ontario, p. E9.

· R.A Goubran and H.M Hafez, "Background Acoustic Noise Reduction in Mobile Telephony", IEEE 36th Vehicular Technology Conference, May 1986, Dallas, Texas, pp. 72-76.

· R.A Goubran, A.U.H Sheikh, and H.M. Hafez, "A Real-Time Programmable Mobile Channel Simulator", IEEE 36th Vehicular Technology Conference, May 1986, Dallas, Texas, pp. 215-218.

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