Mathieu LAGRANGE

Mathieu LAGRANGE
Music Technology Group
McGill University
Montreal QC Canada
Email : mathieu.lagrange@mcgill.ca
Web Page : http://mt.music.mcgill.ca/˜mlagrange
Present Status: Post-Doctoral Fellow Nationality: French Citizen
Availability’s Date: Sept. 2008
Skills
• Computer Science, Signal Processing, Statistical Modeling and Clustering, Psychoacoustics, Sound Analysis and
Modeling
• C, C++, Java, Matlab, Python and Perl programmer
• Linux, Windows and Mac OS X programmer
Education
2001-2004 Phd Thesis at the Computer Science Laboratory (LaBRI) Univ. Bordeaux I
Advisors : Myriam Desainte-Catherine and Sylvain Marchand
(defended with Honor “Tres Honorable”)
2000-2001 Master in Computer Science at the LaBRI Univ. Bordeaux I
(with Honor “Assez Bien”)
1999-2000 “Matrise” at IFSIC (with honor “Assez Bien”) Univ. Rennes I
1998-1999 “Licence” at IFSIC Univ. Rennes I
1996-1998 “DEUG” in Mathematics and Computer Science Univ. Rennes I
1996 Baccalaurat S (Sciences) Joliot-Curie High School
Research
2007-2008 Researcher at McGill McGill
Music Technology Area
2006-2007 Researcher at the Uvic Uvic
Computer Science Dept.
2004-2006 Researcher at the LaBRI LaBRI
with the Image and Sound Team
2001-2004 Researcher at France Telecom Research and Development FTR&D
TECH/IRIS Multimedia Department
advisor : Jean-Bernard Rault
Teaching
2005-2006 Sessional Instructor in Computer Science and Software Engineering Uvic
2005-2006 Teaching Assistant in Computer Science and Digital Signal Processing Enseirb
at the Computer Science Department of the Enseirb (School of Engineer)
2004-2005 Teaching Assistant in Computer Science and Digital Signal Processing Univ. Bordeaux I
at the Computer Science Department
2000-2001 Teaching Assistant in Computer Science Univ. Bordeaux I
at the Computer Science Department

Reviewer Activities
• IEEE Transactions on Audio, Speech and Language Processing (TASLP)
• IEEE International Conference on Acoustics, Speech and signal Processing (ICASSP)
• International Computer Music Conference (ICMC)
• International Symposium on Music Information Retrieval (ISMIR)
• International Conference on Digital Audio Effects (DAFx).
Submitted Papers
1. Time-Domain Modeling of the Excitation Signal in a Source / Filter Representation of Rolling
Sounds Mathieu Lagrange, and Gary Scavone, submitted to the ICAD’08 Conference
2. Objective quality measurement of the excitation of impact sounds in a source/filter model Mathieu
Lagrange, Bruno Giordano, Philippe Depalle, and Stefen McAdams, submitted to the Acoustics’08 conference
3. On the control of the phase of resonant filters with applications to the modelling of percussive
sounds Mathieu Lagrange, Nathan Whetsell, and Philippe Depalle, submitted to the AES Conference, Amsterdam
2008
Publications in International Journals
1. Normalized Cuts for Singing Voice Separation and Melody Extraction Mathieu Lagrange, Luis Gustavo
Martins, Jennifer Murdoch, and George Tzanetakis, to qppear in the MIR special issue in IEEE Transactions
on Audio, Speech, and Language Processing.
2. Estimating the Instantaneous Frequency of Sinusoidal Components Using Phase-Based Methods
Mathieu Lagrange, and Sylvain Marchand. to appear in Journal of the Audio Engineering Society.
3. Enhancing the Tracking of Partials for the Sinusoidal Modeling of Polyphonic Sounds Mathieu
Lagrange, Sylvain Marchand, and Jean-Bernard Rault. in IEEE Transactions on Audio, Speech, and Language
Processing, vol.15, no. 10, pp. 1625-1634.
4. Long Interpolation of Audio Signals Using Linear Prediction in Sinusoidal Modeling Mathieu Lagrange,
Sylvain Marchand, and Jean-Bernard Rault October 2005 in the Journal of the Audio Engineering
Society, vol. 53, no. 10, pp. 891-905.
Publications in International Conferences
1. A computationally efficient scheme for Dominant Harmonic Source Separation Mathieu Lagrange,
Luis Gustavo Martins, and George Tzanetakis In Proceedings of the IEEE International Conference on Speech
and Signal Processing (ICASSP’08), Las Vegas, USA, April 2008.
2. Polyphonic Instrument Recognition using Spectral Clustering Luis Gustavo Martins, Juan José Burred,
Mathieu Lagrange, George Tzanetakis, In Proceedings of the International Conference on Music Information
Retrieval (Ismir’07), Vienna, Austria, September 2007.
3. Pedagogical Transcription for Multimodal Sitar Performance Ajay Kapur, Graham Percival, Mathieu
Lagrange, George Tzanetakis, In Proceedings of the International Conference on Music Information Retrieval
(Ismir’07), Vienna, Austria, September 2007.
4. Analysis of Saxophone Performance for Computer-Assisted Tutoring Matthias Robine, Graham Percival,
and Mathieu Lagrange, in the Proceeedings of the International Computer Music (ICMC’07) Conference.
5. A Hand Drumming Dataset for Physical Modeling Randy Jones, Mathieu Lagrange, and Andy Schloss,
in the Proceedings of the International Computer Music (ICMC’07) Conference.
6. Adaptive Harmonization and Pitch Correction of the Dominant Melody Mathieu Lagrange, Graham
Percival, and George Tzanetakis, in the proceedings of the Digital Audio Effects (DAFx’07) Conference.

7. Speaker Segmentation of Interviews using Integrated Video and Audio Change Detectors Mathieu
Lagrange, Luis Gustavo Martins, Luis F. Teixeira, and George Tzanetakis, CBMI’07, International Workshop
on Content-Based Multimedia Indexing.
8. ORCHIVE: Digitizing and Analyzing Orca Vocalizations George Tzanetakis, Mathieu Lagrange, Paul
Spong and Helena Symonds, In Proceedings of RIAO 2007 - Large-Scale Semantic Access to Content.
9. Semi-Automatic Mono to Stereo Up-mixing using Sound Source Formation Mathieu Lagrange, Luis
Gustavo Martins and George Tzanetakis In Proceedings of the Audio Engineering Society (AES’07) Convention,
Vienna, Austria, May 2007
10. Sound source Tracking and Formation using Normalized Cuts Mathieu Lagrange and George Tzanetakis
In Proceedings of the IEEE International Conference on Speech and Signal Processing (ICASSP’07), Honolulu,
USA, April 2007.
11. Temporal Constraints for Sound Source Formation using the Normalized Cut Mathieu Lagrange, Jennifer
Murdoch and George Tzanetakis In Neural Information Processing systems (NIPS) workshop on Advances
in Models for Acoustic Processing , Whistler, BC, Canada, 9 December 2006.
12. Evaluation of the Technical Level of Saxophone Performers by Considering the Evolution of Spectral
Parameters of the Sound Matthias Robine and Mathieu Lagrange In Proceedings of the International
Conference on Music Information Retrieval (Ismir’06), pages 79-84, Victoria, Canada, 8 - 12 October 2006.
13. Assessing the Quality of the Extraction and Tracking of Sinusoidal Components: Towards an
Evaluation Methodology Mathieu Lagrange and Sylvain Marchand In the Proceedings of the Digital Audio
Effects (DAFx’06) Conference.
14. On the Equivalence of Phase-Based Methods for the Estimation of Instantaneous Frequency Sylvain
Marchand and Mathieu Lagrange. In Proceedings of the 14th European Conference on Signal Processing
(EUSIPCO’2006).
15. Improving Sinusoidal Frequency Estimation Using a Trigonometric Approach Mathieu Lagrange,
Sylvain Marchand and Jean-Bernard Rault In the Proceedings of the Digital Audio Effects (DAFx’05) Conference.
16. A New Dissimilarity Metric for the Clustering of Partials using the Common Variation Cue Mathieu
Lagrange in the Proceedings of the International Computer Music (ICMC’05) Conference.
17. Tracking Partials for the Sinusoidal Modeling of Polyphonic Sounds Mathieu Lagrange, Sylvain Marchand,
and Jean-Bernard Rault. In Proceedings of the IEEE International Conference on Speech and Signal
Processing (ICASSP’05), Philadelphia, USA, March 2005.
18. Using Linear Prediction to Enhance the Tracking of Partials Mathieu Lagrange, Sylvain Marchand,
and Jean-Bernard Rault. In Proceedings of the IEEE International Conference on Speech and Signal Processing
(ICASSP’04), Montreal, Quebec, Canada, May 2004.
19. Partial Tracking based on Future Trajectories Exploration Mathieu Lagrange, Sylvain Marchand, and
Jean-Bernard Rault In Proceedings of the Audio Engineering Society (AES’04) Convention, Berlin, Germany,
May 2004
20. Enhanced Partial Tracking Using Linear Prediction Mathieu Lagrange, Sylvain Marchand, Martin Raspaud,
and Jean-Bernard Rault In Proceedings of the Digital Audio Effects (DAFx’03) Conference, London,
United Kingdom, September 2003. Queen Mary, University of London.
21. Sinusoidal Parameter Extraction and Component Selection in a Non Stationary Model Mathieu
Lagrange, Sylvain Marchand, and Jean-Bernard Rault In Proceedings of the Digital Audio Effects (DAFx’02)
Conference, pages 59-64, Hamburg, Germany, September 2002. University of the Federal Armed Forces.
22. Real-Time Additive Synthesis of Sound by Taking Advantage of Psychoacoustics Mathieu Lagrange
and Sylvain Marchand In Proceedings of the Digital Audio Effects (DAFx’01) Conference, pages 5-9, Limerick,
Ireland, December 2001. University of Limerick and COST (European Cooperation in the Field of Scientific and
Technical Research).
Patents
1. Procé dé de restauration de partiels d’un signal sonore, PCT/FR 04/00619, 20 janvier 2004. Co-inventor
: Jean-Bernard Rault.

2. Procédé de décision pour la restauration de partiels d’un signal sonore, dispositif et programme
d’ordinateur pour sa mise en œuvre, PCT/FR 04/01415, 8 juin 2004. Co-inventor : Jean-Bernard Rault.
References
George TZANETAKIS, Assistant Professor, University of Victoria
3800 Finnerty Road Victoria BC Canada V8P5C2 CANADA
e-mail : gtzan@uvic.ca
Sylvain MARCHAND, Assistant Professor, University of Bordeaux 1
LaBRI, 351 Cours de la Libération 33405 Talence
e-mail: sylvain.marchand@labri.fr
Jean-Bernard RAULT, Researcher, France Telecom R&D Rennes
FTR&D, 4 rue du Clos Courtel, 35512 Cesson Sevigné
e-mail: jeanbernard.rault@francetelecom.com