M. Levent Arslan

 

 

 

 

 Address

  Bogazici University Electrical and Electronics Eng. Department, 34342, Bebek, Istanbul, TURKEY

 

 E-mail

  arslanle@boun.edu.tr

 

 Telephone

  Tel:  +90 (212) 359 6421 

  Fax: +90 (212) 287 2465

 

 

Work Experience

1998–current                         Bogazici University                                               Istanbul

Associate Professor

·         Developed a Turkish Text-to-Speech Synthesis System

·         Developed a Turkish Speech Recognition System

2000–current                         GVZ Speech Tech. Inc.                                    Istanbul

Technical Consultant

·         Developing a Turkish speech recognition/synthesis system

2000–2001                              TUBITAK                                                         Istanbul

Technical Consultant

·         Building the technical infrastructure for a Speech Laboratory capable of performing subjective listening tests

1998–2000                              Sakhr Software Co.                                          Cairo, Egypt

Technical Consultant

·         Developed an Arabic Text-to-Speech Synthesis System

·         The algorithm performance was better than other Arabic synthesis systems  (92% vs. 85%).

1996–1998                              Entropic Research Lab.                                   Washington, DC, USA

Member of Technical Staff

·         Developed a voice conversion system (A patent is issued for this invention US Patent No: 6,615,174)

·         Developed a 3-D face synthesis system (A patent is issued for this invention US Patent No: 6,449,595)

1994–1996                              Texas Instruments                                             Dallas, TX, USA

Research Engineer

·         Developed a new speech enhancement technique (A patent is issued for this invention US Patent No: 5,706,395)

·         Developed a new model for out of vocabulary word rejection in voice   dialling systems which reduced the error rate       by 50% (A patent is issued for this invention US Patent No: 6,243,677)

 

1991–1996                                          Duke University                                                                          Durham, USA

Research Assistant

·         Developed an on-line telephone data collection system

·         Identified the acoustic attributes of accented speech

·         Designed a speech recognition system using accent information, which is  shown

   to outperform standard speech recognition systems.

Education

 

·         1993-1996 Ph.D. degree            Duke University           Durham, USA

·         1991-1993 M.S. degree             Duke University           Durham, USA

·         1986-1991 B.S degree               Bogazici University     Istanbul, TURKEY

·         1984-1986 High School Dipl.    Fen Lisesi                    Ankara, TURKEY

 

Patents

 

1.                    L.M. Arslan, and D. Talkin. “Voice Conversion System and Methodology’’,  Microsoft Corporation, Issued September 2, 2003. U.S. Patent No: 6,615,174.

 

2.                    L.M. Arslan, and D. Talkin. “Face Synthesis System and Methodology’’, Microsoft Corporation, Issued      September 10, 2002. U.S. Patent No: 6,449,595.

 

3.                    L.M. Arslan, A.V. Mccree, and V.R. Viswanathan. “Adaptive Weiner filtering using line spectral frequencies’’, Texas Instruments Inc., Issued July 17, 2001. U.S. Patent No: 6,263,307.

 

4.                    L.M. Arslan, L.P. Netsch, and P.K. Rajasekaran. “Method of out of vocabulary word rejection’’, Texas      Instruments Inc., Issued June 5, 2001. U.S. Patent No: 6,243,677.

 

5.                    L.M. Arslan, A.V. Mccree, and V.R. Viswanathan. “Adaptive Weiner filtering using a dynamic suppression   factor’’, Texas Instruments Inc., Issued Jan 6, 1998. U.S. Patent No: 5,706,395.

 

6.                    L.M. Arslan, and F.Deutsch. “Speech Conversion System and Methodology’’, Voxonic Inc., Filed 2000.

 

 

 

 

Journal Publications

 

1.                    O.D. Orman and L.M. Arslan. “Comparison of Frequency Bands in Closed Set Speaker Identification   Performance’’, Text, Speech and Dialogue Proceedings. Lecture Notes in Artificial Intelligence”, vol. 1902,

                 pp. 314-318, 2000.

 

2.                    L.M. Arslan and D. Talkin. “Codebook Based Face Point Trajectory Synthesis Algorithm using Speech  Input’’, Speech Communication Journal, vol. 27, no. 2, pp. 81-93, March 1999.

 

3.                    L.M. Arslan “Speaker Transformation Algorithm using Segmental Codebooks (STASC)’’, Speech      Communication Journal, vol. 28, pp. 211-226, June 1999.

 

4.                    L.M. Arslan and J.H.L. Hansen “Selective Training for Hidden Markov Model Recognition’’, IEEE Trans. on Speech and Audio Processing, vol.7, No.1, pp. 46-55, January 1999.

 

5.                    L.M. Arslan and J.H.L. Hansen “Likelihood Decision Boundary Estimation Between HMM Pairs in Speech Recognition’’, IEEE Trans. on Speech and Audio Processing, vol. 6, no. 4, July 1998.

 

6.                    L.M. Arslan and J.H.L. Hansen “A Study of Temporal Features and Frequency Characteristics in American    English Foreign Accent’’, Journal of Acoust. Soc. of America, vol. 102, no. 1, pp. 28-40, July 1997. 

                [Featured paper].

 

7.                    L.M. Arslan and J.H.L. Hansen “Speech Enhancement for Cross-Talk Interference’’, IEEE Signal Processing Letters, vol. 4, no. 4, pp. 92-95, April 1997.

 

8.                    L.M. Arslan and J.H.L. Hansen “Language Accent Classification in American English’’, Speech Communication Journal, vol. 18, no. 4, pp. 353-367, August 1996.

 

9.                    J.H.L. Hansen and L.M. Arslan “Robust Feature-Estimation and Objective Quality Assessment for Noisy Speech Recognition using the Credit Card Corpus’’, IEEE Trans. on Speech and Audio Processing, vol. 3,

                number 3, pp. 169-184, May 1995.

 

10.               J.H.L. Hansen and L.M. Arslan “Markov Model Based Phoneme Class Partitioning for Improved Constrained Iterative Speech Enhancement’’, IEEE Trans. on Speech and Audio Processing, vol. 3, no. 1, pp. 98-104,  

       January 1995.

 

 

Conference Proceedings

 

1.                    O. Turk and L.M. Arslan “Konuşma Terapisine Yönelik Otomatik Konuşma Tanıma Yöntemleri”, II. Ulusal Dil ve Konuşma Bozuklukları Kongresi 2004, Eskisehir, Turkey.

 

2.                    O. Turk, O. Sayli,  A.S. Ozsoy, and L.M. Arslan  “Türkçe'de Ünlülerin Formant Frekans İncelemesi”, 18. Ulusal Dilbilim Kurultayi 2004, Ankara, Turkey.

 

3.                    O. Turk and L.M. Arslan  “Dayanıklı Konuşmacı Dönüştürme Yöntemleri”, SIU 2004, Kusadasi, Turkey.

 

4.                    O. Turk and L.M. Arslan “Konuşma Terapisine Yönelik Konuşma Tanıma Yöntemleri”, SIU 2004, Kusadasi, Turkey.

 

5.                    O. Turk and L.M. Arslan “Voice conversion methods for vocal tract and pitch contour modification”, EUROSPEECH 2003, Geneva, Switzerland, 2003.

 

6.                    O. Turk and L.M. Arslan “Subjective Evaluations for Perception of Speaker Identity Through Acoustic Feature ”, EUROSPEECH 2003, Geneva, Switzerland, 2003.

 

7.                    O. Turk and L.M. Arslan “Konuşmacı dönüştürme için üç yeni yöntem”, SIU 2003, 398-401, İstanbul, 2003.

 

8.                    O. Turk and L.M. Arslan “Konuşmacı kimliği algılanmasında akustik özniteliklerin karşılaştırmalı analizi”, SIU 2003, 394-397, İstanbul, 2003.

 

9.                    O. Turk, O. Sayli, H. Dutagaci and L.M. Arslan “A Sound Source Classification System Based On Subband Processing” in Proceedings of the 3rd IEEE Benelux Signal Processing Symposium (SPS-2002), Leuven,  

                Belgium, Mar. 2002, pp. 61-64.

 

10.                 O. Turk, O. Sayli, H. Dutagaci and L.M. Arslan “A Sound Source Classification System Based On Subband Processing” in Proceedings of the 7th  International Conference On Spoken Language Processing (ICSLP-

                2002), Denver, Colorado, USA, Sep. 2002, pp. 641-644.

 

11.                 O. Turk, O. Sayli, H. Dutagaci and L.M. Arslan “Alt Bant İşlemeye Dayalı Bir Ses Sınıflandırma Sistemi”, 2002 Sinyal İşleme ve İletişim Uygulamaları Kurultayı (SIU-2002), Denizli, Türkiye, pp. 58-63.

 

12.                 H. Dutagaci and L.M. Arslan “Türkçe Konuşma Tanıma için İstatistiksel Dil Modelleri”, 2002 Sinyal İşleme ve İletişim Uygulamaları Kurultayı (SIU-2002), Denizli, Türkiye, pp. 64-69.

 

13.                 L.M. Arslan and A. Koç “Gürültülü Ortamlara Dayanıklı Türkçe Sözcük Tanıma”, 2002 Sinyal İşleme ve İletişim Uygulamaları Kurultayı (SIU-2002), Denizli, Türkiye, pp. 70-75.

 

14.                 D. Gençağa, L.M. Arslan and A.B. Ertüzün “Konuşma İşaretleri için Gerçek Zamanlı bir Formant Frekans Kestiricisi”, 2002 Sinyal İşleme ve İletişim Uygulamaları Kurultayı (SIU-2002), Denizli, Türkiye, pp. 471-475.

 

15.                 H.K. Ekenel and L.M. Arslan “Türkçe Ses Sentezi için Ezgi Modelleri”, 2002 Sinyal İşleme ve İletişim Uygulamaları Kurultayı (SIU-2002), Denizli, Türkiye, pp. 824-829.

 

16.                 M.U. Doğan and L.M. Arslan “TÜBİTAK-TURTEL Ses Tabanının Ayrık Kelime Tanıma Başarımının Konuşmacı Bazlı Değerlendirilmesi”, 2002 Sinyal İşleme ve İletişim Uygulamaları Kurultayı (SIU-2002), Denizli, 

                Türkiye, pp. 830-835.

 

17.                 O. Şayli, L.M. Arslan and S. Özsoy “Türkçe Ses Sentezi için Süre Modellemesi”, 2002 Sinyal İşleme ve İletişim Uygulamaları Kurultayı (SIU-2002), Denizli, Türkiye, pp. 841-845.

 

18.                 O. Şayli, L.M. Arslan and A.S. Özsoy “Duration Properties of the Turkish Phonemes,” International Conferance on Turkish Linguistics, August 7-9, 2002.

 

19.                 O. Turk and L.M. Arslan “Subband Based Voice Conversion” in Proceedings of the 7th  International Conference On Spoken Language Processing (ICSLP-2002), Denver, Colorado, USA, Sep. 2002, pp. 289-292.

 

20.                 O. Turk, O. Sayli, H. Dutagaci and L.M. Arslan “A Sound Source Classification System Based On Subband Processing” in Proceedings of the 3rd IEEE Benelux Signal Processing Symposium (SPS-2002), Leuven, 

                Belgium, pp. 61-64, Mar. 2002.

 

21.                 H. Dutagaci and L.M. Arslan “Comparison of Statistical Language Models for Turkish Speech Recognition” in Proceedings of the 7th  International Conference On Spoken Language Processing (ICSLP-2002), 

                Denver, Colorado, USA, Sep. 2002, pp. 729-732.

 

22.                 O. Orman and L.M. Arslan “Konuşmacı Tanımayı İnceleyen Yeni Bir Dinleyici Sınaması”, SIU Proc., pp. 116-121, G.Magosa, April 2001.

 

23.                 E. Ormanci, U.H. Nikbay, O. Turk and L.M. Arslan “Subjective Assessment Of Frequency Bands For Perception Of Speaker Identity” in Proceedings of the 7th  International Conference On Spoken Language

                Processing (ICSLP-2002), Denver, Colorado, USA, Sep. 2002, pp. 2581-2584.

 

24.                 H. Ozer and L.M. Arslan “LPC İzge Düzgünlüğü ile Konuşma Aktivitesi Tespiti”, SIU Proc., pp. 233-237 G.Magosa, April 2001.

 

25.                 U. Yapanel, M.U. Dogan and L.M. Arslan “Türkçe Anahtar Sözcük Yakalama Sistemi için farklı Atık Modellerinin Karşılaştırılması”, SIU Proc., pp. 122-127, G.Magosa, April 2001.

 

26.                 O. Orman and L.M. Arslan “Frequency Analysis of Speaker Identification”, A Speaker Odyssey: The Speaker Recognition Workshop, pp. 219-222 Crete, Greece, 2001.

27.                 V. Çal, H. Deliç and L. Arslan, “Reliable Transmission of LPC  Speech-Coded over Fading Channels’’, Proceedings of the International Symposium on Telecommunications, pp. 430-433, Tehran, Iran, September 2001.

 

28.                 V. Çal, L. Arslan, and H. Deliç “ Error Control for LPC-Coded Speech’’, International Conference on Signal Processing Applications and Technology, Dallas, USA, October 2000.

 

29.                 L.M. Arslan “A new universal language for Speech Recognition Applications’’, IEEE Proc. ICASSP, Istanbul, Turkey, May 2000.

 

30.                 O. Orman and L.M. Arslan “ Tümleşik Gauss Modeller ve Vektör Nicemleme Yöntemleriyle Konuşmacı Tanıma’’, Proc. SIU, Antalya,  May 2000.

 

31.                 O. Orman and L.M. Arslan “ Comparison of Frequency Bands in Closed Set Speaker Identification Performance’’, TSD Proc., pp. 314-318, Brno, Czech Republic, 2000.

 

32.                 O. Orman and L.M. Arslan “ A Comparative Study on Closed Set Speaker Identification Using RBF Network and Modular Networks’’, Proc. TAINN, p. 291-296, Izmir, Turkey, June 2000.

 

33.                 L.M. Arslan “Türkçe Sürekli Konuşma Tanıma Sisteminin Sayı Tanıma Uygulaması”, Sinyal İşleme ve İletişim Uygulamaları Kurultayı (SIU-1999), Ankara, Türkiye, pp. 64-67.

 

34.                 L.M. Arslan “Konuşma Tanıma ve Konuşma Sentezi Uygulamalarında en Uygun Fonetik Dizgenin Otomatik Seçimi”, Sinyal İşleme ve İletişim Uygulamaları Kurultayı (SIU-1999), Denizli, Türkiye, pp. 539-542.

 

35.                 F. M. Galanes, J. Unverferth,  L.M. Arslan and D. Talkin “Generation of lip-synched synthetic faces from phonetically clustered face movement data’’, AVSP Proceedings, pp. 191-194. Terrigal, Australia, December 1998.

 

36.                 L.M. Arslan and D. Talkin “3-D Face Point Trajectory Synthesis using an Automatically derived Visual Phoneme Similarity matrix’’, AVSP Proceedings, pp. 175-180. Terrigal, Australia, December 1998.

 

37.                 L.M. Arslan and D. Talkin “Speech Driven 3-D Face Point Trajectory Synthesis Algorithm’’, ICSLP Proceedings, Sydney, Australia, 1998.

 

38.                 L.M. Arslan and D. Talkin. “Speaker Transformation using Sentence HMM based alignments and detailed       prosody modification’’, IEEE Proc. ICASSP, Seattle, USA, May 1998.

 

39.                 L.M. Arslan and D. Talkin. “Voice Conversion by Segmental Codebook Mapping of Line Spectral Frequencies    and Excitation Spectrum’’, EUROSPEECH Proceedings, vol. 3, pp. 1347-1350, Rhodes Greece, September 

                1997. 

 

40.                 L.M. Arslan and J.H.L. Hansen. “A Study of Frequency Characteristics in Foreign Accent’’, IEEE Proc. ICASSP, vol. 2, pp. 1123-1126, Munich, Germany, April 1997.

 

41.                 L.M. Arslan and J.H.L. Hansen. “Improved HMM Training and Scoring Strategies’’, IEEE Proc. ICASSP, vol. 2, pp. 589-592, Atlanta, USA, May 1996.

 

42.                 L. Arslan, A. Mccree, and V. Viswanathan. “New Methods for Adaptive Noise Suppression’’,  IEEE Proc.    ICASSP, vol. 1, pp. 812-815, Detroit, USA, May 1995.

 

43.                 L.M. Arslan and J.H.L. Hansen. “A Minimum Cost Based Phoneme Class Detector for Improved Iterative Speech Enhancement’’, IEEE Proc. ICASSP, vol. 2, pp. 045-048, Adelaide, South Australia, April 1994.

 

44.                 J.H.L. Hansen and L.M. Arslan. “Foreign Accent Classification using Source Generator Based Prosodic Features’’, IEEE Proc. ICASSP, vol. 1, pp. 836-839, Detroit, USA, May 1995.

 

45.                 J.H.L. Hansen, B.D. Womack, L.M. Arslan. “A Source Generator Based Production Model for Environmental Robustness in Speech Recognition’’, ICSLP Proceedings, vol. 3, pp 1003-1006, Yokohama, Japan, 1994.

 

 

Technical Notes

 

1.                    O. Sayli, L.M. Arslan  “Türkçedeki seslerin süre özellikleri”, DilBilim Araştırmaları, Boğaziçi Üniversitesi Yayınevi, İstanbul, 2003.

 

2.                    Ü. Yapanel, L.M. Arslan  “Türkçe için Konuşma Tanıma Uygulamaları’’, Elektrik-Elektronik Dergisi, No:8, September 1999.

 

 

 

Awards and Honours

 

·         13 Patent citations

·         33 Science Citation Index citations

·         Boğaziçi University, Academic Award

·         Research Assistant Fellowship, Duke University (1991 - 1996)

·         Prize for 22nd place in nationwide university entrance exam in Turkey(1986).

·         Technical achievement award at Texas Instruments (1995).

·         Fellowship, Sabanci Foundation, Turkey (1986 – 1991).

·         IEEE Member

·         ESCA Member

·         Reviewer for IEEE Transactions on Speech and Audio Processing.

·         Reviewer for Speech Communication Journal.

·         Reviewer for Signal Processing

·         Reviewer for IEEE Signal Processing Letters

·         Reviewer for Journal of Acoustical Society of America

 

 

Computer Skills

 

 Programming languages: C, C++, Pascal, FORTRAN, PROLOG, HTML, C-Shell, Tcl-Tk

 Software Packages: MATLAB, ESPS, WAVES, HTK

 Operating Systems: Unix, Linux, DOS, Windows

 

 

Interests

Painting, playing the violin, tennis, soccer.