Google Scholar (Phillip DeLeon) | Signal Processing (Publication Metrics)

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88. Sankar, P. L. De Leon, and U. Roedig, “Spoofing Detection for Personal Voice Assistants,” submitted *Proc. IEEE Int. Conf. on Acoustics, Speech & Signal Processing (ICASSP)*, 2023.

87. S. Smith, S. Sandoval, T. Schaub, and P. L. De Leon, “Practical Implementation of Instantaneous Frequency Mass Spectrometry,” submitted *Proc. IEEE Int. Conf. on Acoustics, Speech & Signal Processing (ICASSP)*, 2023.

86. A. Sankar, P. L. De Leon, and U. Roedig “Detection of Voice Conversion Spoofing Attacks using Voiced Speech,” *Proc. Nordic Conference on Secure IT Systems (NordSec)*, Nov. 2022. [ Paper | IEEE Xplore ]

85. A. Sankar, P. L. De Leon, S. Sandoval, and U. Roedig, “Low-Complexity Speech Spoofing Detection using Instantaneous Spectral Features,” in *Proc. IEEE Int. Conf. Systems, Signals and Image Processing (IWSSIP), *2022.

[ Paper | IEEE Xplore ]

84. S. Sandoval and P. L. De Leon, “Recasting the (Synchrosqueezed) Short-Time Fourier Transform as an Instantaneous Spectrum,” *Entropy*, vol. 24, no. 4, Apr. 2022. DOI: 10.3390/e24040518

[ Paper ]

83. A. Bucker Siddik, D. Drake, T. Wilkinson, P. L. De Leon, S. Sandoval, and M. Campos, “WIDEFT: A Corpus of Radio Frequency Signals for Wireless Device Fingerprint Research,” in *Proc. IEEE Int. Symp. Technol. Homel. Secur. (HST)*, 2021. DOI: 10.1109/HST53381.2021.9619843

[ Paper | IEEE Xplore ]

82. S. Sandoval, M. Bredin, P. L. De Leon, and S. Terrazas, “Controlling the Operating Point of Complex Empirical Mode Decomposition,” in *Proc. IEEE Int. Midwest Symposium on Circuits and Systems (MWSCAS)*, 2020. DOI: 10.1109/MWSCAS48704.2020.9184467

[ Paper ]

81. A. Bucker Siddik, D. Drake, T. Wilkinson, P. L. De Leon, S. Sandoval, and M. Campos, “WIDEFT: A Corpus of Radio Frequency Signals for Wireless Device Fingerprint Research,” *Zenodo*, Oct. 2020.

[ Data ]

80. M. Martinez and P. L. De Leon, “Falls Risk Classification of Older Adults Using Deep Neural Networks and Transfer Learning,” *IEEE J. Biomed. Health Inform.*, vol. 24, no. 1, pp. 144-150, Jan. 2020. DOI: 10.1109/JBHI.2019.2906499

[ Paper | IEEE Xplore ]

79. M. Martinez, P. L. De Leon, and D. Keeley, “Bayesian Classification of Falls Risk,” *Gait & Posture*, vol. 67, pp. 99-103, Jan. 2019. DOI: 10.1016/j.gaitpost.2018.09.028

[ Paper ]

78. S. Sandoval and P. L. De Leon, “The Instantaneous Spectrum: A General Framework for Time-Frequency Analysis,” *IEEE Trans. Sig. Process*., vol. 66, no. 21, pp. 5679-5693, Nov. 2018. DOI: 10.1109/TSP.2018.2869121

[ Paper | IEEE Xplore | ISA Code ]

77. S. Sandoval, M. Bredin, and P. L. De Leon, “Using Linear Prediction to Mitigate End Effects in Empirical Mode Decomposition,” in *Proc. IEEE GlobalSIP*, 2018. DOI: 10.1109/GlobalSIP.2018.8646563

[ Paper | IEEE Xplore ]

76. S. Sandoval, M. Bredin, and P. L. De Leon, “Dominant Component Tracking for Empirical Mode Decomposition using a Hidden Markov Model,” in *Proc. IEEE GlobalSIP*, 2018. DOI: 10.1109/GlobalSIP.2018.8646708

[ Paper | IEEE Xplore ]

75. J. Yamagishi, T. H. Kinnunen, N. Evans, P. De Leon, and I. Trancoso, “Introduction to the Issue on Spoofing and Countermeasures for Automatic Speaker Verification,” *IEEE J. Sel. Topics Signal Process*., vol. 11, issue 4, pp. 585-587, Jun. 2017. DOI: 10.1109/JSTSP.2017.2698143

[ Paper | IEEE Xplore ]

74. S. Sandoval and P. L. De Leon, “Advances in Empirical Mode Decomposition for Computing Instantaneous Amplitudes and Instantaneous Frequencies,” in *Proc. IEEE Int. Conf. Acoustics, Speech & Signal Proc*. (ICASSP), 2017. DOI: 10.1109/ICASSP.2017.7952970

[ Paper | IEEE Xplore ]

73. M. Martinez, P. L. De Leon, and D. Keeley, “Novelty Detection for Predicting Falls Risk using Smartphone Gait Data,” in *Proc. IEEE Int. Conf. Acoustics, Speech & Signal Proc*. (ICASSP), 2017. DOI: 10.1109/ICASSP.2017.7952547

[ Paper | IEEE Xplore ]

72. M. Martinez and P. L. De Leon,”Unsupervised Segmentation and Labeling for Smartphone Acquired Gait Data,” in *Proc. Int. Telemetering Conf*., 2016.

[ Paper ] [Several minor typos have been corrected]

71. M. Biswal, Y. Hao, P. Chen, S. Brahma, H. Cao, and P. De Leon, “Signal Features for Classification of Power System Disturbances using PMU Data,” in *Proc. Power Systems Computation Conference (PSCC)*, 2016. DOI: 10.1109/PSCC.2016.7540867

[ Paper | IEEE Xplore ]

70. Z. Wu, P. L. De Leon, C. Demiroglu, A. Khodabakhsh, S. King, Z. Ling, D. Saito, B. Stewart, T. Toda, M. Wester, and J. Yamagishi, “Anti-Spoofing for Text-Independent Speaker Verification: An Initial Database, Comparison of Countermeasures, and Human Performance,” *IEEE Trans. Audio, Speech, and Language Proc*., vol. 24, no. 4, pp. 768-783, Apr. 2016. DOI: 10.1109/TASLP.2016.2526653

[ Paper | IEEE Xplore ]

69. S. Sandoval, P. L. De Leon, and J. M. Liss, “Hilbert Spectral Analysis of Vowels using Intrinsic Mode Functions,” in *Proc. IEEE Automatic Speech Recognition and Understanding Workshop (ASRU), 2015*. DOI: 10.1109/ASRU.2015.7404846

[ Paper | IEEE Xplore ] [A typo in Equation (4) has been corrected]

68. M. Martinez and P. L. De Leon, ” A Smartphone-Based Gait Data Collection System for the Prediction of Falls in Elderly Adults,” in *Proc. Int. Telemetering Conf*., 2015.

[ Paper ]

67. R. McClanahan and P. L. De Leon, “Reducing Computation in an i-Vector Speaker Recognition System using a Tree-Structured Universal Background Model,” *Speech Communication,* vol. 66, pp. 36-46, Feb. 2015. DOI: 10.1016/j.specom.2014.07.003

[ Paper ]

66. G. Hinojos and P. L. De Leon, “Face Recognition using Distributed, Mobile Computing,” in *Proc. IEEE Int. Conf. Acoustics, Speech & Signal Proc*. (ICASSP), pp. 2179-2183, 2014. DOI: 10.1109/ICASSP.2014.6853985

[ Paper | IEEE Xplore ]

65. R. D. McClanahan, B. Stewart, and P. L. De Leon, “Performance of i-Vector Speaker Verification and the Detection of Synthetic Speech,” in *Proc. IEEE Int. Conf. Acoustics, Speech & Signal Proc*. (ICASSP), pp. 3779-3783, 2014. DOI: 10.1109/ICASSP.2014.6854308

[ Paper | IEEE Xplore ]

64. R. D. McClanahan and P. L. De Leon, “Towards a More Efficient SVM Supervector Speaker Verification System using Gaussian Reduction and a Tree-Structured Hash,” in *Proc. INTERSPEECH*, pp. 3670-3673, 2013. DOI: 10.21437/Interspeech.2013-688

[ Paper ]

63. P. L. De Leon and S. Sanchez, “Voice Activity Detection using a Sliding-Window, Maximum Margin Clustering Approach,” in *Proc. IEEE Int. Conf. Acoustics, Speech & Signal Proc*. (ICASSP), pp. 6674-6678, 2013. DOI: 10.1109/ICASSP.2013.6638953

[ Paper | IEEE Xplore ]

62. P. L. De Leon and B. Stewart, “Synthetic Speech Detection based on Selected Word Discriminators,” in *Proc. IEEE Int. Conf. Acoustics, Speech & Signal Proc*. (ICASSP), pp. 3004-3008, 2013. DOI: 10.1109/ICASSP.2013.6638209

[ Paper | IEEE Xplore ]

61. P. L. De Leon, M. Pucher, J. Yamagishi, I. Hernaez, and I. Saratxaga, “Evaluation of Speaker Verification Security and Detection of HMM-Based Synthetic Speech,” *IEEE Trans. Audio, Speech, and Language Proc*., vol. 20, no. 8, pp. 2280-2290, Oct. 2012. DOI: 10.1109/TASL.2012.2201472

[ Paper | IEEE Xplore ]

60. L. E. Boucheron and P. L. De Leon, “Low-SNR, Speaker-Dependent Speech Enhancement using GMMs and MFCCs,” in *Proc. INTERSPEECH*, 2012.

[ Paper ]

59. R. D. McClanahan and P. L. De Leon, “Mixture Component Clustering for Efficient Speaker Verification,” in *Proc. INTERSPEECH*, 2012.

[ Paper ]

58. P. L. De Leon, B. Stewart, and J. Yamagishi, “Synthetic Speech Discrimination using Pitch Pattern Statistics Derived from Image Analysis,” in *Proc. INTERSPEECH*, 2012.

[ Paper ]

57. L. E. Boucheron, P. L. De Leon, and S. Sandoval, “Low Bit-Rate Speech Coding through Quantization of Mel-Frequency Cepstral Coefficients,” *IEEE Trans. Audio, Speech, and Language Proc*., vol. 20, no. 2, pp. 610-619, Feb. 2012. DOI: 10.1109/TASL.2011.2162407

[ Paper | IEEE Xplore | MFCC Coding Demo.zip | MFCC Coding Demo2.zip ]

56. P. L. De Leon, I. Hernaez, I. Saratxaga, M. Pucher, and J. Yamagishi, “Detection of Synthetic Speech for the Problem of Imposture,” in *Proc. IEEE Int. Conf. Acoustics, Speech & Signal Proc*. (ICASSP), pp. 4844-4847, 2011. DOI: 10.1109/ICASSP.2011.5947440

[ Paper | IEEE Xplore ] [A minor typo in Equation (2) has been corrected]

55. L. E. Boucheron, P. L. De Leon, S. Sandoval, “Hybrid Scalar/Vector Quantization of Mel-Frequency Cepstral Coefficients for Low Bit-Rate Coding of Speech,” in *Proc. Data Compression Conf*. (DCC), pp. 103-112, 2011. DOI: 10.1109/DCC.2011.17

[ Paper | IEEE Xplore ]

54. V. R. Apsingekar and P. L. De Leon, “Speaker Verification Score Normalization Using Speaker Model Clusters,” *Speech Communication*, vol. 53, no. 1, pp. 110-118, Jan. 2011. DOI: 10.1016/j.specom.2010.07.001

[ Paper ]

53. P. L. De Leon, M. Pucher, and J. Yamagishi, “Evaluation of the Vulnerability of Speaker Verification to Synthetic Speech,” in *Proc. IEEE Speaker and Language Recognition Workshop (Odyssey)*, pp. 151-158, 2010.

[ Paper ]

52. P. L. De Leon, V. R. Apsingekar, M. Pucher, and J. Yamagishi, “Revisiting the Security of Speaker Verification Systems Against Imposture Using Synthetic Speech,” in *Proc. IEEE Int. Conf. Acoustics, Speech & Signal Proc. (ICASSP)*, pp. 1798-1801, 2010. DOI: 10.1109/ICASSP.2010.5495413

[ Paper | IEEE Xplore ]

51. V. R. Apsingekar and P. L. De Leon, “Support Vector Machine Based Speaker Identification Systems Using GMM Parameters,” in *Proc. Asilomar Conf. on Signals, Systems and Computers*, pp. 1766-1769, 2009. DOI: 10.1109/ACSSC.2009.5470201

[ Paper | IEEE Xplore ]

50. S. M. Brahma, P. L. De Leon, and R. G. Kavasseri, “Investigating the Option of Removing Anti-Aliasing Filter From Digital Relays,” *IEEE Trans. Power Delivery*, vol. 24, no. 4, pp. 1864-1868, Oct. 2009. DOI: 10.1109/TPWRD.2009.2028802

[ Paper | IEEE Xplore ]

49. M. Ries, B. Gardlo, M. Rupp, and P. De Leon, “Low-Complexity Voice Detector for Mobile Environments,” *Proc. Int. Conf. on Systems, Signals & Image Processing (IWSSIP)*, pp. 1-4, 2009. DOI: 10.1109/IWSSIP.2009.5367791

[ Paper | IEEE Xplore ]

48. A. Akula, V. Apsingekar, and P. L. De Leon, “Speaker Identification in Room Reverberation using GMM-UBM,”*Proc. IEEE DSP Workshop*, pp. 37-41, 2009. DOI: 10.1109/DSP.2009.4785892

[ Paper | IEEE Xplore ]

47. V. R. Apsingekar and P. L. De Leon, “Speaker Model Clustering for Efficient Speaker Identification in Large Population Applications,” *IEEE Trans. Audio, Speech, and Language Proc*., vol. 17, no. 4, pp. 848-853, May 2009. DOI: 10.1109/TASL.2008.2010882

[ Paper | IEEE Xplore ] [A minor typo in Equation (11) has been corrected]

46. V. R. Apsingekar and P. L. De Leon, “Efficient Speaker Identification using Distributional Speaker Model Clustering,” *Asilomar Conf. on Signals, Systems and Computers*, pp. 1260-1264, 2008. DOI: 10.1109/ACSSC.2008.5074619

[ Paper | IEEE Xplore ]

45. K. Ravulakollu, V. R. Apsingekar, and P. L. De Leon, “Efficient Speaker Verification System using Speaker Model Clustering for T- and Z-Normalizations,” in *Proc. Int. Carnahan Conf. on Security Technology (ICCST)*, pp. 56-62, 2008. DOI: 10.1109/CCST.2008.4751277

[ Paper | IEEE Xplore ]

44. L. E. Boucheron and P. L. De Leon, “On the Inversion of Mel-Frequency Cepstral Coefﬁcients for Speech Enhancement Applications,” in *Proc. Int. Conf. Signals and Electronic Systems (ICSES)*, pp.485-488, 2008. DOI: 10.1109/ICSES.2008.4673475

[ Paper | IEEE Xplore ]

43. A. Akula and P. L. De Leon, “Compensation for Room Reverberation in Speaker Identification,” in *Proc. European Signal Processing Conf. (EUSIPCO)*, 2008.

[ Paper ]

42. V. R. Apsingekar and P. L. De Leon, “Efficient Speaker Identification using Speaker Model Clustering,” in *Proc. European Signal Processing Conf. (EUSIPCO)*, 2008.

[ Paper ]

41. A. Daga, G. R. Lovelace, D. K. Borah, and P. L. De Leon, “Terrain-Based Simulation of IEEE 802.11a and b Physical Layers on the Martian Surface,” *IEEE Trans. Aerosp. Electron. Syst.*, vol. 43, no. 4, pp. 1617-1624, Oct. 2007. DOI: 10.1109/TAES.2007.4441762

[ Paper | IEEE Xplore ]

40. V. Apsingekar and P. L. De Leon, “Reducing Speaker Model Search Space in Speaker Identification,” in *Proc. Biometrics Sym.*, pp. 1-6, 2007. DOI: 10.1109/BCC.2007.4430544

[ Paper | IEEE Xplore ]

39. P. L. De Leon and A. L. Trevizo, “Speaker Identification in the Presence of Room Reverberation,” in *Proc. Biometrics Sym.*, pp. 1-6, 2007. DOI: 10.1109/BCC.2007.4430533

[ Paper | IEEE Xplore ]

38. A. Daga, D. K. Borah, G. R. Lovelace and P. De Leon, “Physical Layer Effects on MAC Layer Performance of IEEE 802.11 a and b WLAN on the Martian Surface,” in *Proc. IEEE Aerospace Conf*., 2006. DOI: 10.1109/AERO.2006.1655780

[ Paper | IEEE Xplore ]

37. S. Berner and P. L. De Leon, “Subband Transforms for Adaptive, RLS Direct Sequence Spread Spectrum Receivers,” *IEEE Trans. Signal Proc*., vol. 53, no. 10, pp. 3773-3779, Oct. 2005. DOI: 10.1109/TSP.2005.855111

[ Paper | IEEE Xplore ]

36. V. Chukkala, P. De Leon, S. Horan, and V. Velusamy, “Radio Frequency Channel Modeling for Proximity Networks on the Martian Surface,” *Computer Networks* (Elsevier), Vol. 47, Issue 5, pp. 751-763, Apr. 2005. DOI: 10.1016/j.comnet.2004.08.011

[ Paper ]

35. D. K. Borah, A. Daga, G. R. Lovelace and P. De Leon, “Performance Evaluation of the IEEE 802.11a and b WLAN Physical Layer on the Martian Surface,” in *Proc. IEEE Aerospace Conf*., pp. 1429-1437, 2005. DOI: 10.1109/AERO.2005.1559433

[ Paper | IEEE Xplore ]

34. V. Chukkula and P. De Leon, “Simulation and Analysis of the Multipath Environment of Mars,” in *Proc. IEEE Aerospace Conf*., pp. 1678-1683, 2005. DOI: 10.1109/AERO.2005.1559461

[ Paper | IEEE Xplore ]

33. D. K. Borah and P. De Leon, “Speaker Identification in the Presence of Packet Losses,” in *Proc. IEEE DSP Workshop*, pp. 302-306, 2004. DOI: 10.1109/DSPWS.2004.1437963

[ Paper | IEEE Xplore ]

32. J. San Filippo and P. DeLeon, “Evaluation of Spherically Invariant Random Process Parameters as Discriminators for Speaker Identification,” in *Proc. IEEE DSP Workshop*, pp. 307-310, 2004. DOI: 10.1109/DSPWS.2004.1437964

[ Paper | IEEE Xplore ]

31. V. Chukkula, P. De Leon, S. Horan, and V. Velusamy, “Modeling the Radio Frequency Environment of Mars for Future Wireless, Networked Rovers and Sensor Webs,” in *Proc. IEEE Aerospace Conf*., vol. 2, pp. 1329-1336, 2004. DOI: 10.1109/AERO.2004.1367731

[ Paper | IEEE Xplore ]

30. R. Lyman, Q. Wang, P. De Leon, and S. Horan , “Transmission Parameter Estimation for an Autoconfigurable Receiver,” in *Proc. IEEE Aerospace Conf*., vol. 2, pp. 1305-1311, 2004. DOI: 10.1109/AERO.2004.1367728

[ Paper | IEEE Xplore ]

29. P. De Leon, Q. Wang, S. Horan, and R. Lyman, “A Design for Satellite Ground Station Receiver Autoconfiguration,” in *Proc. Int. Telemetering Conf*., 2003.

[ Paper ]

28. A. Cahill, P. De Leon, C. Sreenan, “Link Cache Extensions for predictive Routing and Repair in Ad Hoc Wireless Networks,” in *Proc. IEEE Conf. Mobile and Wireless Communications Networks (MWCN)*, pp. 53-57, 2002. DOI: 10.1109/MWCN.2002.1045695

[ Paper | IEEE Xplore ]

27. N. Chen and P. De Leon, “Blind Image Separation through Kurtosis Maximization,” in *Proc. Asilomar Conf. Signals, Systems and Computers*, vol. 1, pp. 318-322, 2001. DOI: 10.1109/ACSSC.2001.986936

[ Paper | IEEE Xplore ]

26. S. Berner and P. De Leon, “Subband Transforms for Adaptive Direct Sequence Spread Spectrum Receivers,” in *Proc. Asilomar Conf. Signals, Systems and Computers*, vol. 2, pp. 1103-1107, 2001. DOI: 10.1109/ACSSC.2001.987664

[ Paper | IEEE Xplore ]

25. P. De Leon and Y. Ma, “Blind Separation of L Sources from M Mixtures of Speech Signals,” in *Proc. Meeting of the Acoustical Society of America*, 2000. DOI: 10.1121/1.4743790

[ Paper ]

24. P. De Leon and Y. Ma, “Blind Source Separation of Mixtures of Speech Signals with Unknown Propagation Delays,” in *Proc. Meeting of the Acoustical Society of America*, 2000. DOI: 10.1121/1.4743789

[ Paper ]

23. P. De Leon and Y. Ma, “Normalized, HOS-Based, Blind Speech Separation Algorithms,” in *Proc. Asilomar Conf. Signals, Systems and Computers*, vol. 2, pp. 1197-1201, 2000. DOI: 10.1109/ACSSC.2000.910753

[ Paper | IEEE Xplore ]

22. S. Berner and P. De Leon, “Parallel Digital Architectures for High-Speed Adaptive DSSS Receivers,” in *Proc. Asilomar Conf. Signals, Systems and Computers*, vol. 2, pp. 1298-1302, 2000. DOI: 10.1109/ACSSC.2000.910772

[ Paper | IEEE Xplore ]

21. P. De Leon, “Short-Time Kurtosis of Speech Signals with Application to Co-Channel Speech Separation,” in *Proc. IEEE Int. Conf. Multimedia and Expo (ICME)*, vol. 2, pp. 831-833, 2000. DOI: 10.1109/ICME.2000.871489

[ Paper | IEEE Xplore ]

20. P. De Leon, “Computer Music in Undergraduate Digital Signal Processing,” in *Proc. American Society for Engineering Education/Gulf Southwestern Region*, 2000.

[ Paper ]

19. P. L. De Leon, W. Kober, K. Krumvieda, and J. Thomas, “Subband Kalman Filtering with Applications to Target Tracking,” in *Proc. Int. Conf. Signal Proc. Applications & Technologies (ICSPAT)*, 1999.

[ Paper ]

18. P. L. De Leon and B. J. Scaife, “Spread Spectrum Carrier Estimation with Unknown Doppler Shift,” in *Proc. Int. Conf. Signal Proc. Applications & Technologies (ICSPAT)*, 1999.

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17. S. Berner and P. L. De Leon, “FPGA-Based Filterbank Implementation for Parallel Digital Signal Proc.,” in *Proc. NASA Sym. on VLSI Design*, 1999.

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16. P. De Leon and H. Jiang, “Parameter Distributions for Speech Signals Modelled with Spherically Invariant Random Processes,” in *Proc. Midwest Sym. Circuits and Systems*, vol. 1, pp. 245-248, 1999. DOI: 10.1109/MWSCAS.1999.867253

[ Paper | IEEE Xplore ]

15. P. L. De Leon and C. J. Sreenan, “An Adaptive Predictor for Media Playout Buffering,” in *Proc. IEEE Int. Conf. Acoustics, Speech & Signal Proc. (ICASSP)*, vol. 6, pp. 3097-3100, 1999. DOI: 10.1109/ICASSP.1999.757496

[ Paper | IEEE Xplore ]

14. B. Scaife and P. L. De Leon, “Doppler Shifted Spread Spectrum Carrier Recovery Using Real-Time DSP Techniques,” in *Proc. Int. Telemetering Conf*., 1998.

[ Paper ]

13. P. L. De Leon, “On the Use of Filter Banks for Parallel Digital Signal Proc.,” in *Proc. NASA Sym. on VLSI Design*, 1998.

[ Paper ]

12. J. P. LeBlanc and P. L. De Leon, “Speech Separation by Kurtosis Maximization,” in *Proc. IEEE Int. Conf. Acoustics, Speech & Signal Proc. (ICASSP)*, vol. 2, pp. 1029-1032, 1998. DOI: 10.1109/ICASSP.1998.675443

[ Paper | IEEE Xplore ]

11. P. L. De Leon, “Building a Real-Time Digital Signal Proc. Course and Teaching Laboratory,” in *Proc. American Society for Engineering Education/Gulf Southwestern Region*, 1998.

[ Paper ]

10. E. S. Otto and P. L. De Leon, “Digital CPFSK Transmitter and Noncoherent Receiver/Demodulator Implementation,” in *Proc. Int. Telemetering Conf*., 1997.

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9. J. P. LeBlanc and P. L. De Leon, “Source Separation of Speech Signals using Kurtosis Maximization,” in *Proc. Allerton Conf. Communications, Control, and Computing*, 1997.

[ Paper ]

8. P. L. De Leon, “Real-Time DSP-Based Carrier Recovery With Unknown Doppler Shift,” in *Proc. Int. Conf. Signal Proc. Applications & Technologies (ICSPAT)*, 1997.

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7. P. L. De Leon, “Optimization of the LMS Subband, Adaptive Filter System,” in *Proc. Int. Conf. Signal Proc. Applications & Technologies (ICSPAT)*, 1997.

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6. P. L. De Leon and D. M. Etter, “Experimental results of subband acoustic echo cancelers under spherically invariant random processes,” in *Proc. IEEE Int. Conf. Acoustics, Speech & Signal Proc. (ICASSP)*, vol. 2, pp. 961-964, 1996. DOI: 10.1109/ICASSP.1996.543282

[ Paper | IEEE Xplore ]

5. P. L. De Leon and D. M. Etter, “Examining the effects of room response in oversampled, subband acoustic echo cancelers,” in *Proc. Asilomar Conf. Signals, Systems and Computers*, vol. 1, pp. 464-467, 1995. DOI: 10.1109/ACSSC.1995.540592

[ Paper | IEEE Xplore ]

4. P. L. De Leon and D. M. Etter, “Mean square error calculations for the subband adaptive filter system,” in *Proc. IEEE Workshop Applications Signal Proc. to Audio and Acoustics*, pp. 107-110, 1995. DOI: 10.1109/ASPAA.1995.482969

[ Paper | IEEE Xplore ]

3. P. L. De Leon and D. M. Etter, “Experimental results with increased bandwidth analysis filters in oversampled subband acoustic echo cancelers,” *IEEE SP Letters*, vol. 2, no. 1, pp.1-3, Jan. 1995. DOI: 10.1109/97.365516

[ Paper | IEEE Xplore ]

2. P. L. De Leon and D. M. Etter, “Experimental results of a modified architecture for oversampled, subband acoustic echo cancelers,” in *Proc. IEEE DSP Workshop*, pp. 294-296, 1994. DOI: 10.1109/DSP.1994.379819

[ Paper | IEEE Xplore ]

1. P. L. De Leon and D. M. Etter, “On the design of analysis/synthesis filters for a 2-channel, perfect reconstruction filter bank,” in *Proc. NAECOM*, vol. 1, pp. 94-100, 1993. DOI: 10.1109/NAECON.1993.290900

[ Paper | IEEE Xplore ]

## Book

Co-authored chapter 7 “Speaker Recognition Anti-Spoofing” with Nicholas Evans, Tomi Kinnunen, Junichi Yamagishi, Zhizheng Wu, Federico Alegre, and Phillip De Leon in *Handbook of Biometric Anti-Spoofing*, edited by Sébastien Marcel, Mark Nixon, and Stan Z. Li, Springer, 2014. DOI: 10.1007/978-1-4471-6524-8

[ Info ]

Co-authored chapter 11 with Delores M. Etter in *Subband and Wavelet Transforms: Design and Applications* edited by Ali Akansu and Mark J. T. Smith, Kluwer Academic Publishers, 1995.

[ Paper ]