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Ph.D. in Electrical Engineering, Northeastern University, 1988

M.S. in Electrical Engineering; Concentration: Computer and Digital Signal Processing, Northeastern University, 1984

Undergraduate in Electrical Engineering; Concentration: Computer Engineering, Northeastern University, 1984

Digital Signal Processing

Filter design

Neural net algorithms with applications to speech analysis and recognition

Spectral Estimation

(1993) 'Beitle-Veltri Memorial Award' for outstanding teaching.

(1990) 'Outstanding Teacher in Electrical Engineering'.

Tantibundhit, C., Boston, J.R., Li, C.C., Durrant, J.D., Shaiman, S., Kovacyk, K., and El-jaroudi, A., 2007, "New signal decomposition method based speech enhancement," Signal Processing, vol.87, no.11, pp. 2607-2628.

Yoo, S., Boston, J., Durrant, J., Kovacyk, K., Shaiman, S., El-jaroudi, A., and Li, C.C., 2007, "Speech Signal Modification to Increase Intelligibility in Noisy Environments," Journal of the Acoustical Society of America, vol.122, no.2, pp. 1138-1149.

Tantibundhit, C., Boston, R.J., Li, C.C., Durrant, J.D., Shaiman, S., Kovacyk, K., and El-jaroudi, A., 2006, "Speech Enhancement Using Transient Speech Components," IEEE Int. Conference on Acoustics, Speech and Signal Processing, Toulouse, France.

Tantibundhit, C., Boston, J.R., Li, C.C., and El-jaroudi, A., 2005, "Automatic Speech Decomposition and Speech Coding using MDCT-based Hidden Markov Chain and Wavelet-Based Hidden Markov Tree Models," IEEE Workshop on Applications of Signal Processing to Audio and Acoustics, pp. 207-210, Mohonk, NY.

Yoo, S., Boston, J.R., Durrant, J.D., Kovacyk, K., Karn, S., Shaiman, S., El-jaroudi, A., and Li, C.C., 2005, "Speech Enhancement based on Transient Speech Information," IEEE Workshop on Applications of Signal Processing to Audio and Acoustics, pp. 62-65, Mohonk, NY.

Yoo, S., Boston, J.R., Durrant, J.D., Kovoacyk, K., Karn, S., Shaiman, S., El-jaroudi, A., and Li, C.C., 2005, "Relative Energy and Intelligibility of Transient Speech Information," IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2005), pp. 69-72, Philadelphia, PA.

Boston, J.R., Yoo, S., Durrant, J.D., Kovacyk, K., Karn, S., Li, C.C., and El-jaroudi, A., 2004, "Relative Intelligibility of Dynamically Extracted Transient versus Steady-State Components of Speech," 147th Meeting of the Acoustical Society of America, 2600 (A), New York.

Laura, M., Zheng, Z., and El-jaroudi, A., 2004, "The Application of Blind Source Separation to Feature Decorrelation and Normalization," Rich Transcription Workshop, RT-04, 24.1-5, Palisades, NY.

Yoo, S., Boston, J.R., Durrant, J.D., Kovacyk, K., Karn, S., Shaiman, S., El-jaroudi, A., and Li, C.C., 2004, "Relative Energy and Intelligibility of Transient Speech Components," EUSIPCO-2004, 12th European Signal Processing Conference, pp. 1031-1034, Vienna, Austria.

El-jaroudi, A., and Dognin, P., 2003, "A New Spectral Transformation for Speaker Normalization," Eurospeech, Geneva, Switzerland.

El-jaroudi, A., and Dognin, P., 2003, "Speaker Normalization with the Band Pass Transform," 37th Asilomar Conference on Signals, Systems and Computers, pp. 1894-1899, Pacific Grove, CA.

El-jaroudi, A., and Emresoy, M., 2003, "Iterative Instantaneous Frequency Estimation for Random Signals," in Time frequency signal analysis and processing: a comprehensive reference, B. Boashash, ed., Elsevier, pp. 421-427.

El-jaroudi, A., 2002, "Linear Predictive Coding," in Wiley Encyclopedia of Telecommunications, J. Proakis, ed., John Wiley & Sons.

Dognin, P., El-jaroudi, A., and Billa, J., 2000, "Parameter Optimization for Vocal Tract Length Normalization," IEEE Int. Conf. on Acoustics, Speech and Signal Processing, pp. 1767-1770, Istanbul, Turkey.

El-jaroudi, A., 2000, "Minimum Entropy Time-Frequency Distributions," Tenth IEEE Workshop on Statistical Signal and Array Processing, pp. 603-606.

Shah, S.I., El-jaroudi, A., Loughlin, P., and Chaparro, L.F., 2000, "Signal Synthesis and Positive TFDs," J. of the Franklin Institute, vol.337, no.4, pp. 317-328.

Emresoy, M., and El-jaroudi, A., 1999, "Evolutionary Spectrum Estimation using Positivity Constrained Deconvolution," IEEE Transactions on Signal Processing, vol.47, no.3, pp. 889-893.

Shah, S.I., Chaparro, L.F., and El-jaroudi, A., 1999, "Generalized Transfer Function Estimation Using Evolutionary Spectral Deblurring," IEEE Transaction on Signal Processing, vol.47, no.8, pp. 2335-2339.

1998, "An Algorithm to Determine the Feasibilities and Weights of Two-Layer Perceptrons for Partitioning and Classification," Pattern Recognition, vol.31, no.11, pp. 1613-1625.

Akgul, T., and El-jaroudi, A., 1998, "Reconstruction of Mixed-Phase Signals from Sum-of-Autotriplecorrelations Using Least Squares," IEEE Transactions on Signal Processing, vol.41, no.1, pp. 250-254.

Billa, J., and El-jaroudi, A., 1998, "An Analysis of the Effects of Basilar Membrane Nonlinearities on Noise Suppression," Journal of Acoustical Society of America, vol.103, no.5, pp. 2691-2705.

Emresoy, M., and El-jaroudi, A., 1998, "Evolutionary Spectrum Estimation By Deconvolving Bilinear Time-Frequency Distributions," SPIE Conf. on Advanced Signal Processing Algorithms, Architectures and Implementations VIII, pp. 152-158, San Diego, CA.

Emresoy, M., and El-jaroudi, A., 1998, "Evolutionary Spectrum Estimation using Positivity Constrained Deconvolution," Int. Symp. on Time-Frequency and Time-Scale Analysis, pp. 669-672, Pittsburgh, PA.

Emresoy, M., and El-jaroudi, A., 1998, "Iterative Instantaneous Frequency Estimation and Adaptive Matched Spectrogram," Signal Processing, vol.64, pp. 157-165.

Shah, S., Chaparro, L., and El-jaroudi, A., 1998, "Generalized Transfer Function Estimation Using Evolutionary Spectral Deblurring," Int. Conf. on Acoustics, Speech, and Signal Processing, pp. 2401-2404, Seattle, WA.

Shah, S., El-jaroudi, A., and Chaparro, L., 1998, "Signal Synthesis and Positive Time-Frequency Distributions," Int. Symp. on Time-Frequency and Time-Scale Analysis, pp. 17-20, Pittsburgh, PA.

Shah, S.I., Chaparro, L.F., El-jaroudi, A., and Furman, J., 1998, "Evolutionary Maximum Entropy and Heart Rate Variability Analysis," Multi Dimensional Systems and Signal Processing, vol.9, no.4, pp. 453-458.

Zavaliagkos, G., McDonough, J., Miller, D., El-jaroudi, A., Billa, J., Richardson, M., Ma, K., Siu, A., and Gish, A., 1998, "The BBN Byblos 1997 Large Vocabulary Conversational Speech Recognition System," Int. Conf. on Acoustics, Speech, and Signal Processing, pp. 905-908, Seattle, WA.

Akgul, T., El-jaroudi, A., and Simaan, M., 1997, "Multi-Scale Deconvolution of Sensor Array Signals via Sum-of- Cumulants," IEEE Transactions on Signal Processing, vol.45, no.6, pp. 1656-1659.

Akgul, T., El-jaroudi, A., and Simaan, M., 1997, "Multi-Scale Deconvolution of Sensor Array Signals," Signal Processing, vol.57, no.1, pp. 35-42.

Billa, K., Ma, K., McDonough, J., Zavaliagkos, G., Miller, D., Ross, K., and El-jaroudi, A., 1997, "MultiLingual Speech Recognition: The 1996 Byblos Call Home System," Eurospeech, pp. 363-366, Rhodes, Greece.

Emresoy, M., and El-jaroudi, A., 1997, "Evolutionary Burg Spectral Estimation," Signal Processing Letters, vol.4, no.6, pp. 173-175.

Emresoy, M.K., and El-jaroudi, A., 1997, "Iterative Estimation of Instantaneous Frequency and Adaptive Spectrogram," SPIE, Advanced Algorithms and Architectures for Signal Processing VII, pp. 172-179, San Diego, CA.

Shah, S.I., Loughlin, P., Chaparro, L.F., and El-jaroudi, A., 1997, "Informative Priors for Minimum Cross Entropy Time- Frequency Distributions," Signal Processing Letters, vol.4, no.6, pp. 176-177.

Vasko, R., El-jaroudi, A., and Boston, R., 1997, "Application of HMM Topology Estimation to Repetitive Lifting Data," IEEE Int. Conference on Acoustics, Speech and Signal Processing, pp. 4073-4076, Munich, Germany.

Vasko, R.C., Bruner, D.P., Monahan, J.P., Doman, J., Boston, J.R., El-jaroudi, A., Miewald, J., Buysse, D.J., Reynolds, C.F., and Kupfer, D.J., 1997, "Power Spectral Analysis of EEG in a Multiple-Bedroom, Multiple-Polygraph Sleep Laboratory," Int. Journal of Medical Informatics, vol.46, no.3, pp. 175-184.

Billa, J., and El-jaroudi, A., 1996, "A Method of Generating Objective Functions for Probability Estimation," Engineering Applications of Artificial Intelligence, vol.9, no.2, pp. 205-208.

Detka, C., and El-jaroudi, A., 1996, "The Generalized Evolutionary Spectrum," IEEE Transactions on Signal Processing, vol.44, no.11, pp. 2877-2881.

El-jaroudi, A., Redfern, M., Chaparro, L.F., and Furman, J., 1996, "The Application of Time-Frequency Methods to the Analysis of Postural Sway," Proceedings of the IEEE, vol.84, no.9, pp. 1312-1318.

Vasko, R., El-jaroudi, A., and Boston, R., 1996, "An Algorithm to Determine Hidden Markov Model Topology," IEEE Int. Conference on Acoustics, Speech and Signal Processing, pp. 3578-3581, Atlanta, GA.

Detka, C.S., and El-jaroudi, A., 1995, "Variable Frequency Evolutionary Spectrum," IEEE Int. Conference on Acoustics, Speech and Signal Processing, pp. 1553-1556, Detroit, Michigan.

Grumbine, M., Petrus, B., El-jaroudi, A., and Collura, J., 1995, "Discrete All-Pole Modeling Using Higher Order Spectra," IEEE Workshop on Speech Coding for Telecommunications, pp. 55-56, Annapolis, MD.

Kayhan, A.S., El-jaroudi, A., and Chaparro, L.F., 1995, "Data-Adaptive Evolutionary Spectral Estimation," IEEE Transactions on Signal Processing, vol.43, no.1, pp. 204-213.

Petrus, T.B., and El-jaroudi, A., 1995, "Automatic Recognition of Fast and Slow Phases in Nystagmic Eye Movements Using a Neural Network," Engineering Applications of Artificial Intelligence, vol.8, no.2, pp. 191-199.

Schumann, T., Redfern, M., Furman, J., El-jaroudi, A., and Chaparro, L.F., 1995, "Time-Frequency Analysis of Postural Sway," Journal of Biomechanics, vol.28, no.5, pp. 603-607.

Akgul, T., El-jaroudi, A., and Simaan, M., 1994, "Deconvolution of Sensor Array Signals Using Time-Scaling," IEEE Int. Conference on Acoustics, Speech and Signal Processing, II 365-368, Adelaide, Australia.

Detka, C.S., and El-jaroudi, A., 1994, "The Chirped Evolutionary Spectrum," IEEE SP Workshop on Statistical Signal & Array Processing, pp. 239-242, Quebec City, Qc, Canada.

Detka, C.S., and El-jaroudi, A., 1994, "The Evolutionary Periodogram: An Iterative Time-Frequency Estimator,," IEEE SP International Symposium on Time-Frequency and Time-Scale Analysis, pp. 17-20, Philadelphia, PA.

Detka, C.S., and El-jaroudi, A., 1994, "The Transitory Evolutionary Spectrum," IEEE Int. Conference on Acoustics, Speech and Signal Processing, IV 289-292, Adelaide, Australia.

Detka, C.S., Loughlin, P., and El-jaroudi, A., 1994, "On Combining Evolutionary Spectral Estimates," IEEE SP Workshop on Statistical Signal & Array Processing, pp. 243-246, Quebec City, Qc, Canada.

El-jaroudi, A., Akgul, T., and Simaan, M., 1994, "Application of Higher-Order Spectra to Multi-Scale Deconvolution of Sensor Array Signals," IEEE Int. Conference on Acoustics, Speech and Signal Processing, IV 413-416, Adelaide, Australia.

Kayhan, A.S., El-jaroudi, A., and Chaparro, L.F., 1994, "The Evolutionary Periodogram for Non-Stationary Signals," IEEE Transactions on Signal Processing, vol.42, no.6, pp. 1527-1536.

Lin, C.C., and El-jaroudi, A., 1994, "A study on the Partitioning Capabilities of Two-Layer Neural Networks," International Conference on Neural Networks, pp. 360-365, Orlando, Florida.

Loughilin, P., Schumann, T., Redfern, M., Furman, J., and Chaparro, L., 1994, "Time-Frequency Analysis of Postural Sway," 28th Asilomar Conference on Signals, Systems, and Computers, pp. 378-382, Pacific Grove, CA.

Shah, S.I., Chaparro, L.F., and El-jaroudi, A., 1994, "Properties of the Evolutionary Maximum Entropy Spectral Estimator," IEEE SP Workshop on Statistical Signal & Array Processing, pp. 263-266, Quebec City, Qc, Canada.

Chaparro, L.F., El-jaroudi, A., and Kayhan, S.A., 1993, "Evolutionary Spectral Estimation on Non-Stationary Signals," in Fundamentals of Discrete-Time Systems, B. Anderson, N. Bose, M. Jamshidi, and M. Mansour, eds., TSI Press, pp. 219-226.

Detka, C.S., El-jaroudi, A., and Chaparro, L.F., 1993, "Relating the Bilinear Distributions and the Evolutionary Spectrum," IEEE Int. Conference on Acoustics, Speech and Signal Processing, IV 496-499, Minneapolis, MN.

Ghiselli-Crippa, T., and El-jaroudi, A., 1993, "A Fast Neural Net Training Algorithm and Its Application to Speech Classification," Journal of Engineering Applications of Artificial Intelligence, vol.6, no.6, pp. 549-557.

Molinari, R., and El-jaroudi, A., 1993, "Complex Decision Boundaries Using Single Layer Neural Nets," Journal of Engineering Applications of Artificial Intelligence, vol.6, no.5, pp. 479-484.

Totarong, P., and El-jaroudi, A., 1993, "Robust High Resolution Direction of Arrival Estimation via Signal Eigenvector Domain," IEEE Journal of Oceanic Engineering, vol.18, no.4, pp. 491-499.

Vasko, R., Boston, J.R., El-jaroudi, A., and Rudy, T.E., 1993, "A Multi-Dimensional Time Series Model of Repetitive Dynamic Lifting," 15th Annual Int. Conf. IEEE Engineering in Medicine and Biology Society, San Diego, CA.

Akgul, T., El-jaroudi, A., and Simaan, M.A., 1992, "A Novel Solution to Multi-Scale Deconvolution of Sensor Array Signals," Sixth SSAP Workshop on Statistical Signal and Array Processing, pp. 477-480, Victoria, BC.

Chaparro, L.F., and El-jaroudi, A., 1992, "The Development of a Real-Time Signal Processing Laboratory," Annual Conference on Engineering Education, pp. 402-405, Toledo, OH.

Detka, C.S., El-jaroudi, A., and Chaparro, L.F., 1992, "Evolutionary Periodogram and Bilinear Distributions as Evolutionary Spectral Estimators," IEEE ASSP Fifth Digital Signal Processing Workshop, 1.2.1-1.2.2, Starved Rock, IL.

Kayhan, A.S., Chaparro, L.F., and El-jaroudi, A., 1992, "Wold-Cramer Evolutionary Spectral Estimators," IEEE-SP International Symposium on Time-Frequency and Time-Scale Analysis, pp. 115-118, Victoria, BC.

Kayhan, A.S., El-jaroudi, A., and Chaparro, L.F., 1992, "Evolutionary Autocorrelation Estimation for Non-Stationary Processes," 1992 Conference on Information Sciences and Systems, p. 777, Princeton, NJ.

Molinari, R., and El-jaroudi, A., 1992, "Complex Decision Boundaries Using Tree Connected Single Layer Nets," IEEE Midwest Symposium on Circuits and Systems, pp. 883-886, Washington, DC.

Toarong, P., and El-jaroudi, A., 1992, "Robust DOA Estimation of Coherent Sources via Eigenvector Space Analysis," OCEANS 92, Newport, RI.

Totarong, P., and El-jaroudi, A., 1992, "A Novel Approach for Robust High-Resolution DOA Estimation," Sixth SSAP Workshop on Statistical Signal and Array Processing, pp. 366-369, Victoria, BC.

Totarong, P., and El-jaroudi, A., 1992, "DOA Estimation via Eigenvector Domain Harmonic Analysis," IEEE Midwest Symposium on Circuits and Systems, pp. 966-969, Washington, DC.

Akgul, T., and El-jaroudi, A., 1991, "Discrete All-Pole Modeling using Higher Order Spectra," IEEE Int. Conference on Acoustics, Speech and Signal Processing, pp. 3493-3496, Toronto, Ont..

El-jaroudi, A., and Makhoul, J., 1991, "Discrete All-Pole Modeling," IEEE Transactions on Signal Processing, vol.39, no.2, pp. 411-423.

Ghiselli-Crippa, T., and El-jaroudi, A., 1991, "A Fast Neural Net Training Algorithm and Its Application to Voiced- Unvoiced-Silence Classification of Speech," IEEE Int. Conference on Acoustics, Speech and Signal Processing, pp. 441-444, Toronto, Ont..

Ghiselli-Crippa, T., and El-jaroudi, A., 1991, "Voiced-Unvoiced-Silence Classification of Speech Using Neural Nets," Int. Joint Conference on Neural Networks, II 851-856, Seattle, WA.

Kayhan, A.S., El-jaroudi, A., and Chaparro, L.F., 1991, "Minimum-Variance Evolutionary Spectral Estimation of Nonstationary Signals," IEEE Int. Conference on Acoustics, Speech and Signal Processing, pp. 3165-3168, Toronto, Ont..

Makhoul, J., and El-jaroudi, A., 1991, "A Geometric Characterization of Positive-Definite Sequences and of the Fourier Transform," IEEE Transactions on Signal Processing, vol.39, no.8, pp. 1903-1906.

Makhoul, J., El-jaroudi, A., and Schwartz, R., 1991, "Classification Capabilities of Two-Layer Neural Networks," IEEE Transactions on Signal Processing, vol.39, no.6, pp. 1435-1439.

El-jaroudi, A., and Makhoul, J., 1990, "A New Error Criterion for Posterior Probability Estimation with Neural Nets," Int. Joint Conference on Neural Networks, III 185-192, San Diego, CA.

Makhoul, J., and El-jaroudi, A., 1990, "Posterior Probability Estimation with Neural Nets," Neural Nets for Computing, Snowbird, UT.

El-jaroudi, A., 1989, "Discrete Pole-Zero Modeling and Application to Speech Analysis," Speech Research Symposium VIII, Stillwater, OK.

El-jaroudi, A., 1989, "Speech Analysis Using Discrete Spectral Modeling," IEEE Midwest Symposium on Circuits and Systems, pp. 85-88, Urbana, IL.

El-jaroudi, A., and Makhoul, J., 1989, "Discrete Pole-Zero Modeling and Applications," IEEE Int. Conference on Acoustics, Speech and Signal Processing, pp. 2162-2165, Glasgow, Scotland.

Makhoul, J., El-jaroudi, A., and Schwartz, R., 1989, "Formation of Disconnected Decision Regions with a Single Hidden Layer," IEEE International Conference on Neural Networks, I 455-460, Washington, DC.

Makhoul, J., Schwartz, R., and El-jaroudi, A., 1989, "Classification Capabilities of Two-Layer Neural Nets," IEEE Int. Conference on Acoustics, Speech and Signal Processing, pp. 635-638, Glasgow, Scotland.

El-jaroudi, A., and Huntoon, G.L., 1988, "Introduction to Digital Signal Processing: Solutions Manual."

Makhoul, J., and El-jaroudi, A., 1988, "Volume of Finite Autocorrelations," IEEE ASSP Workshop on Spectral Estimation, pp. 283-288, Minneapolis, MN.

El-jaroudi, A., and Makhoul, J., 1987, "Discrete All-Pole Modeling for Voiced Speech," IEEE Int. Conference on Acoustics, Speech and Signal Processing, pp. 320-323, Dallas, TX.

El-jaroudi, A., and Makhoul, J., 1986, "All-Pole Modeling for Discrete Spectra," IEEE ASSP Workshop on Spectral Estimation and Modeling, pp. 29-32, Boston, MA.

El-jaroudi, A., and Makhoul, J., 1986, "Improved All-Pole Modeling for Harmonic Spectra," IEEE ASSP Digital Signal Processing Workshop, Chatham, MA.

Makhoul, J., and El-jaroudi, A., 1986, "Time-Scale Modification in Medium to Low Rate Speech Coding," IEEE Int. Conference on Acoustics, Speech and Signal Processing, pp. 1705-1709, Tokyo, Japan.