Isabel Trancoso
Isabel Trancoso
Addresses: l2f www mail
Phone: +351-213-100-268 Fax: +351-213-145-843

Isabel Trancoso received the Licenciado, Mestre, Doutor and Agregado degrees in Electrical and Computer Engineering from Instituto Superior Técnico, Lisbon, Portugal, in 1979, 1984, 1987 and 2002, respectively. She has been a lecturer at this University since 1979, having coordinated the EEC course for 6 years. She is currently a Full Professor, teaching speech processing courses. She is also a senior researcher at INESC ID Lisbon, having launched the speech processing group, now restructured as L2F, in 1990. Her first research topic was medium-to-low bit rate speech coding. From October 1984 through June 1985, she worked on this topic at AT&T Bell Laboratories, Murray Hill, New Jersey. Her current scope is much broader, encompassing many areas in speech recognition and synthesis, with a special emphasis on tools and resources for the Portuguese language. She was a member of the ISCA (International Speech Communication Association) Board (1993-1998), the IEEE Speech Technical Committee (since 1999) and the Permanent Council for the Organization of the International Conferences on Spoken Language Processing (since 1998). She was elected Editor in Chief of the IEEE Transactions on Speech and Audio Processing (2003-2005), Member-at-Large of the IEEE Signal Processing Society Board of Governors (2006-2008), Vice-President of ISCA (2005-2007) and President of ISCA (2007-2011). She chaired the Organizing Committee of the INTERSPEECH'2005 Conference that took place in September 2005, in Lisbon. She received the 2009 IEEE Signal Processing Society Meritorious Service Award, and was elevated to IEEE Fellow in 2011.

Contents

Research Interests

  • Spoken Language Processing
  • Speech Recognition, Synthesis and Coding

Teaching Activities (at IST)

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  • Former Coordinator of EEC Undergraduate and Postgraduate Courses

Editorial Activities

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  • Guest Editor of Special Issue of the Speech Communication journal on Iberian Languages, November-December 2008

Conference Organization

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  • 2009 IEEE Automatic Speech Recognition and Understanding Workshop, Merano, Italy, December 2009 (Publicity co-Chair)
  • 2010 IEEE Workshop on Spoken Language Technology, Berkeley, California, USA, SLT 2010, December 2010 (Technical co-Chair)
  • 2011 International Conference on Acoustics, Speech and Signal Processing, Prague, Czech Republic, ICASSP 2011, May 2011 (Special Sessions co-Chair)

Other Activities

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INESC ID Information

Publications

Book Chapters

2011

2009

  • Rui Pedro Batoreo Amaral, Isabel Trancoso, Human Language Technology - Challenges of the Information Society, chapter Exploring the Structure of Broadcast News for Topic Segmentation, Springer-Verlag, Revised selected papers of LTC 2007., December 2009
  • Isabel Trancoso, Comunicações Audiovisuais: Tecnologias, Normas e Aplicações, chapter Codificação de Fala, IST Press, September 2009
  • Aníbal Ferreira, Isabel Trancoso, Fernando Pereira, Carlos Salema, Comunicações Audiovisuais: Tecnologias, Normas e Aplicações, chapter Mecanismos Humanos de Produção e Percepção Audiovisual, IST Press, September 2009

2004

2000

  • Isabel Trancoso, Luís C. Oliveira, João Paulo da Silva Neto, Maria do Céu Guerreiro Viana Ribeiro, A Escrita das Escritas, Fundação Portuguesa das Comuni, October 2000

1995

  • Isabel Trancoso, An Overview of Different Trends on CELP Coding, chapter Speech Recognition and Coding - New Advances and Trends, Springer-Verlag, January 1995
  • Isabel Trancoso, Maria do Céu Guerreiro Viana Ribeiro, Síntese e Reconhecimento de Fala, chapter Engenharia da Linguagem, Edições Colibri, January 1995

1994

  • Isabel Trancoso, Overview of the Chapter on Transmission and Storage, chapter Survey on the State of the Art in Speech and Natural Language Processing, December 1994

Edited Journals

2008

  • Isabel Trancoso, Nestor Becerra-Yoma, Plínio Barbosa, Rubén San-Segundo, Kuldip Paliwal, Special Issue on Iberian Languages, Elsevier, Number 11, Volume 50, November 2008

2006

  • Isabel Trancoso, Editorial, IEEE, Number 1, Volume 14, January 2006

2005

  • Isabel Trancoso, Editorial, IEEE, Number 4, Volume 13, July 2005

2004

2003

2002

International Journals

2014

  • Xiaodong Zeng, Derek F. Wong, Lidia S. Chao, Isabel Trancoso, Liangye He, Qiuping Huang, Lexicon expansion for latent variable grammars, Pattern Recognition Letters, Elsevier, vol. 42, pages 47-55, doi: http://dx.doi.org/10.1016/j.patrec.2014.01.010, February 2014

2013

  • Alberto Abad, Annamaria Pompili , Angela Costa, Isabel Trancoso, José Fonseca, Gabriela Leal, Luisa Farrajota, Isabel P. Martins, Automatic word naming recognition for an on-line aphasia treatment system, Computer Speech and Language, Elsevier, vol. 27, n. 6, pages 1235-1248, doi: http://dx.doi.org/10.1016/j.csl.2012.10.003, September 2013
  • Thomas Pellegrini, Rui Correia, Isabel Trancoso, Jorge Baptista, Nuno J. Mamede, Maxine Eskenazi, ASR-based exercises for listening comprehension practice in European Portuguese, Computer Speech and Language, doi: http://dx.doi.org/10.1016/j.csl.2013.02.004, February 2013

2012

2011

2010

2008

2007

2006

2005

1990

  • Isabel Trancoso, Jorge Marques, Carlos Eduardo Meneses Ribeiro, CELP and Sinusoidal Coders: Two Solutions for Speech Coding at 4.8-9.6 kbps, Speech Communication, Elsevier, vol. 9, pages 389-400, December 1990
  • Isabel Trancoso, B. S. Atal, Efficient Search Procedures for Selecting the Optimum Innovation in Stochastic Coders, IEEE Transactions on Acoustics, Speech, and Signal Processing, March 1990

1989

  • Isabel Trancoso, José Manuel Nunes Salvador Tribolet, Harmonic Post-Processing of Speech Synthesized by Stochastic Coders, IEE Proceedings, IEE, vol. 136, n. 2, pages 141-144, April 1989

1988

  • Isabel Trancoso, Luís Henrique Martins Borges de Almeida, Joaquim Sérvulo Rodrigues, José Manuel Nunes Salvador Tribolet, Harmonic Coding - State of the Art and Future Trends, Speech Communication, Elsevier, vol. 7, July 1988

Edited Proceedings

2003

  • Nuno J. Mamede, Jorge Baptista, Isabel Trancoso, Maria das Graças Volpe Nunes, Computational Processing of the Portuguese Language, 6th International Workshop, PROPOR 2003, Springer-Verlag, Lecture Notes on Artificial Intelligence, 2721, Berlin Heidelberg, June 2003

International Conferences

2013

  • Marco Bertini, Alberto Del Bimbo, George Ioannidis, Emile Bijk, Isabel Trancoso, Hugo Meinedo, EUTV: A system for media monitoring and publishing, In 21st ACM international conference on Multimedia, doi: 10.1145/2502081.2502265, Barcelona, Spain, October 2013
  • Pedro Fialho, Luísa Coheur, Sérgio dos Santos Lopes Curto, Pedro Miguel Abrunhosa Cláúdio, Angela Costa, Alberto Abad, Hugo Meinedo, Isabel Trancoso, MEET EDGAR, A TUTORING AGENT AT MONSERRATE, In ACL, series Proceedings of the 51st Annual Meeting of the Association f, Sofia, Bulgaria, August 2013
  • Wang Ling, Guang Xiang, Chris Dyer, Alan Black, Isabel Trancoso, Microblogs as Parallel Corpora, In The 51th Annual Meeting of the Association for Computational Linguistics (ACL), ACL, Sofia, Bulgaria, August 2013

2012

  • Isabel Trancoso, Thomas Pellegrini, André Freire Silva, Rui Correia, Nuno J. Mamede, Jorge Baptista, Learning Portuguese with Speech Technologies, In IBERSPEECH 2012, pages 411-414, Demo paper, Madrid, Spain, November 2012
  • Wang Ling, João Graça, Isabel Trancoso, Alan Black, Entropy-based Pruning for Phrase-based Machine Translation, In 2012 Joint Conference on Empirical Methods in Natural Language Processing and Computational Natural Language Learning, Association for Computational Linguistics, Jeju Island, Korea, July 2012

2011

  • Luis Javier Rodríguez-Fuentes, Mikel Penagarikano, Amparo Varona, Mirieia Díez, Germán Bordel, David Martínez, Jesús Villalba, Antonio Miguel, Alfonso Ortega, Eduardo Lleida, Alberto Abad, Oscar Koller, Isabel Trancoso, Paula Lopez-Otero, Laura Docio-Fernandez, Carmen Garcia-Mateo, Rahim Saeidi, Mehdi Soufifar, Tomi Kinnunen, Torbjørn Svendsen, Pasi Frånti, Multi-site heterogeneous system fusions for the Albayzin 2010 language recognition evaluation, In Proc. ASRU 2011 - IEEE Automatic Speech Recognition and Understanding Workshop, IEEE, Hawaii, USA, December 2011
  • Wang Ling, Pável Calado, Bruno Martins, Isabel Trancoso, Alan Black, Luísa Coheur, Named Entity Translation using Anchor Texts, In International Workshop on Spoken Language Translation (IWSLT) , San Francisco, USA, December 2011
  • Anna Pompili, Alberto Abad, Isabel Trancoso, José Fonseca, Isabel P. Martins, Gabriela Leal, Luisa Farrajota, An on-line system for remote treatment of aphasia, In Second Workshop on Speech and Language Processing for Assistive Technologies (SLPAT), July 2011
  • Wang Ling, Tiago Luís, João Graça, Isabel Trancoso, Luísa Coheur, Reordering Modeling using Weighted Alignment Matrices, In Proc. ACL 2011 - The 49th Annual Meeting of the Association for Computational Linguistics: Human Language Technologies, ACL, pages 450-454, Short paper, Portland, Oregon, USA, June 2011
  • Helena Moniz, Fernando Batista, Isabel Trancoso, Ana Isabel Mata da Silva, Analysis of interrogatives in different domains, In Towards Autonomous, Adaptive, and Context-Aware Multimodal Interfaces: Theoretical and Practical Issues. Third COST 2102 International Training School, Springer Berlin / Heidelberg, series Book series: Lecture Notes in Computer Science, pages 136-148, Caserta, Italy, January 2011

2010

  • José Lopes, Isabel Trancoso, Rui Correia, Thomas Pellegrini, Hugo Meinedo, Nuno J. Mamede, Maxine Eskenazi, Multimedia Learning Materials, In IEEE Spoken Language Technology Workshop, IEEE, Berkeley, USA, December 2010
  • Rui Correia, Jorge Baptista, Nuno J. Mamede, Isabel Trancoso, Maxine Eskenazi, Automatic Generation of Cloze Question Distractors, In Second Language Studies: Acquisition, Learning, Education and Technology, SLaTE: the ISCA SIG on Speech and Language Technology in Edu, Waseda University, Tokyo, Japan, September 2010
  • Helena Moniz, Isabel Trancoso, Ana Isabel Mata da Silva, Disfluencies and the perspective of prosodic fluency, In Development of Multimodal Interfaces: Active Listening and Synchrony, Springer Berlin / Heidelberg, Book series: Lecture Notes in Computer Science. DOI: 10.1007/978-3-642-12397-9, http://www.springerlink.com/content/yjgx34377571qn, April 2010

2009

  • C. Snoek, K. van de Sande, O. de Rooij, B. Huurnink, J. Uijlings, M. van Liempt, Miguel Bugalho, Isabel Trancoso, F. Yan, M. Tahir, K. Mikolajczyk, J. Kittler, M. de Rijke, J. Geusebroek, T. Gevers, M. Worring, A. Smeulders, D. Koelma, The MediaMill TRECVID 2009 Semantic Video Search Engine, In 7th TRECVID Workshop, NIST, Gaithersburg, USA, November 2009
  • Luis Marujo, José Lopes, Nuno J. Mamede, Isabel Trancoso, Juan Pino, Maxine Eskenazi, Jorge Baptista, Céu Viana, Porting REAP to European Portuguese, In ISCA International Workshop on Speech and Language Technology in Education (SLaTE 2009), ISCA, ISBN: 070442729X / 9780704427297, Wroxall Abbey Estate, Warwickshire, England, September 2009
  • Isabel Trancoso, Thomas Pellegrini, José Portelo, Hugo Meinedo, Miguel Bugalho, Alberto Abad, João Paulo da Silva Neto, Audio contributions to semantic video search, In 2009 IEEE International Conference on Multimedia and Expo (ICME 2009), IEEE, New York, USA, June 2009
  • José Portelo, Miguel Bugalho, Isabel Trancoso, João Paulo da Silva Neto, Alberto Abad, António Joaquim Serralheiro, Non-speech audio event detection, In ICASSP 2009 - Int. Conf. on Acoustics, Speech, and Signal Processing, IEEE, April 2009

2008

  • Isabel Trancoso, Two decades of research on ASR, In SLT 2008 IEEE Workshop on Spoken Language Technology, IEEE, Keynote paper, Goa, India, December 2008
  • Rui Pedro Batoreo Amaral, Isabel Trancoso, Topic Segmentation in a Media Watch System, In PROPOR 2008 - 8th International Conference on Computational Processing of the Portuguese Language, Springer, series LNAI, Curia, Portugal, September 2008

2007

  • Fernando Batista, Diamantino António Caseiro, Nuno J. Mamede, Isabel Trancoso, Recovering Punctuation Marks for Automatic Speech Recognition, In Proceedings of the 8th Annual Conference of the International Speech Communication Association (Interspeech 2007), ISCA, vol. 1, series Interspeech, pages 2153-2156, Antwerp, Belgium, September 2007

2006

  • Isabel Trancoso, Ricardo Jorge Francisco Nunes, Luís Miguel Leitão Neves, Maria do Céu Guerreiro Viana Ribeiro, Helena Moniz, Diamantino António Caseiro, Ana Isabel Mata da Silva, Recognition of Classroom Lectures in European Portuguese, In Interspeech 2006, ISCA, pages 281-284, Pittsburgh, USA, September 2006
  • Isabel Trancoso, Ricardo Jorge Francisco Nunes, Luís Miguel Leitão Neves, Classroom Lecture Recognition, In Computational Processing of the Portuguese Language: 7th International Workshop, PROPOR 2006, Springer, series Lecture Notes in Computer Science, pages 190 - 199, Itatiaia, Brazil, May 2006
  • Diamantino António Caseiro, Isabel Trancoso, Weighted Finite-State Transducer Inference for Limited-Domain Speech-to-Speech Translation, In Computational Processing of the Portuguese Language: 7th International Workshop, PROPOR 2006, Springer, series Lecture Notes in Computer Science, pages 60 - 68, Itatiaia, Brazi, May 2006
  • Miguel Rodrigues, Luís Carriço, Carlos Duarte, Nuno Guimarães, António Joaquim Serralheiro, Isabel Trancoso, New ways to reading talking books, In IADIS International Conference Applied Computing 2006, San Sebastian, Spain, February 2006

2005

2004

  • Nuno J. Mamede, Isabel Trancoso, Paulo Alexandre Medeiros de Araújo, Maria do Céu Guerreiro Viana Ribeiro, An Electronic Assistant for Poetry Writing, In IBERAMIA'2004 - 9th Ibero-American Conference on AI, Springer Verlag, series Lecture Notes on Computer Science /Artificial Intelligence, pages 286-294, Puebla, Mexico, November 2004
  • Nuno J. Mamede, Isabel Trancoso, Paulo Alexandre Medeiros de Araújo, Maria do Céu Guerreiro Viana Ribeiro, Poetry Assistant, In ICSLP'2004 - 8th International Conference on Spoken Language Processing (Interspeech'2004), Jeju, Coreia, October 2004
  • Isabel Trancoso, João Paulo da Silva Neto, Hugo Meinedo, Rui Pedro Batoreo Amaral, Diamantino António Caseiro, An Acoustic Driven Media Watch System, In Acustica'2004 - Acoustics European Symposium, Guimarães, Portugal, September 2004

2003

  • António Joaquim Serralheiro, Isabel Trancoso, Diamantino António Caseiro, Teresa Chambel, Luís Carriço, Nuno Guimarães, Towards a Repository of Digital Talking Books, In EUROSPEECH'2003 - 8th European Conference on Speech Communication and Technology (Interspeech'2003), Geneve, Switzerland, September 2003
  • Isabel Trancoso, Diamantino António Caseiro, Maria do Céu Guerreiro Viana Ribeiro, Fernando Henrique Corte Real Mira da Silva, Maria Isabel de Vilhena Mascarenhas, Pronunciation modeling using finite state transducers, In ICPhS'2003 - 15th International Congress of Phonetic Sciences"T- Symposium "The role of phonetics in speech to speech t, Barcelona, Spain, August 2003
  • Isabel Trancoso, The Alert System for Selective Dissemination of Multimedia Information, In Past and Future of Speech Technology, Spoken Language Processing and Intelligent Multimedia", Invited Speaker, Aalborg, Denmark, June 2003
  • Rui Pedro Batoreo Amaral, Isabel Trancoso, Topic Indexing of TV Broadcast News Programs, In PROPOR'2003 - 6th International Workshop on Computational Processing of the Portuguese Language, Springer, series Lecture Notes in Artifical Intelligence, Faro, Portugal, June 2003
  • Rui Pedro Batoreo Amaral, Isabel Trancoso, Indexing Broadcast News, In NDDL'2003 - The 3rd International Workshop on New Developments in Digital Libraries, Angers, France, April 2003
  • Rui Pedro Batoreo Amaral, Isabel Trancoso, Segmentation and Indexation of Broadcast News, In MSDR'2003 - ISCA Workshop on Multilingual MSDR'2003 - ISCA Workshop on Multilingual Spoken Document Retrieval, Hong Kong, China, April 2003

2002

  • Diamantino António Caseiro, Fernando Henrique Corte Real Mira da Silva, Isabel Trancoso, Maria do Céu Guerreiro Viana Ribeiro, Automatic Alignment of Map Task Dialogues Using WFSTs, In PMLA - ISCA Tutorial and Research Workshop on Pronunciation Modeling and Lexicon Adaptation, Aspen, Colorado, September 2002
  • António Joaquim Serralheiro, Diamantino António Caseiro, Hugo Meinedo, Isabel Trancoso, João Paulo da Silva Neto, Spoken Book Alignment Using WFSTS, In HLT 2002, Human Language Technology Conference, San Diego, California, March 2002

2001

2000

  • Carlos Eduardo Meneses Ribeiro, Isabel Trancoso, Phonetic Vocoder Assessment, In ICSLP'2000 - 6th International Conference on Spoken Language Processing, Beijing, China, October 2000
  • Rui Manuel Marques dos Santos Amaral, Isabel Trancoso, Topic Detection in Spoken Documents, In ECDL'2000 - 4th European Conference on Research and Advanced Technology for Digital Libraries, Lisbon, September 2000

1999

1998

  • Pedro Miguel Monteiro Lages de Carvalho, Luís C. Oliveira, Isabel Trancoso, Maria do Céu Guerreiro Viana Ribeiro, Concatenative Speech Synthesis for European Portuguese, In Third ESCA/COCOSDA International Workshop on Speech Synthesis, Jenolan Caves, Australia, November 1998
  • Isabel Trancoso, Maria do Céu Guerreiro Viana Ribeiro, Inês Duarte, Gabriela Matos, Corpus de Diálogo CORAL, In PROPOR'98 - III Encontro para o Processamento Computacional da Língua Portuguesa Escrita e Falada, Porto Alegre, Brasil, November 1998

1997

  • Carlos Jorge da Conceição Teixeira, Isabel Trancoso, Recognition of Non-Native Accents, In EUROSPEECH'97 - European Conference on Speech Technology, ESCA, Rhodes, Greece, September 1997

1996

  • Carlos Jorge da Conceição Teixeira, Isabel Trancoso, António Joaquim Serralheiro, Accent Identification, In Int. Conf. on Spoken Language Processing (ICSLP'96), Philadelphia, USA, October 1996
  • Carlos Eduardo Meneses Ribeiro, Isabel Trancoso, Application of Speaker Modification Techniques to Phonetic Vocoding, In ICSLP'96 - Int. Conf. on Spoken Language Processing, Philadelphia, USA, October 1996
  • Carlos Eduardo Meneses Ribeiro, Isabel Trancoso, Phonetic vocoding with speaker adaptation, In Int. Conf. on Spoken Language Processing (ICSLP'96), Philadelphia, USA, October 1996

1995

  • D. Chan, A. Fourcin, D. Gibbon, B. Granstrom, M. Huckvale, G. Kokkinakis, K. Kvale, L. Lamel, B. Lindberg, A. Moreno, J. Mouropoulos, F. Senia, Isabel Trancoso, C. Veld, J. Zeiliger, EUROM - a Spoken Language Resource for the EU, In EUROSPEECH'95 - European Conference on Speech Technology, ESCA, Madrid, Spain, September 1995

1994

  • Maria do Céu Guerreiro Viana Ribeiro, Isabel Trancoso, Fernando Henrique Corte Real Mira da Silva, On the Pronunciation of Proper Names and Acronyms in European Portuguese, In 2nd Onomastica Research Colloquium, London, UK, December 1994

1993

  • Carlos Jorge da Conceição Teixeira, Isabel Trancoso, Continuous and Semi-Continuous HMM for Recognising Non-Native Pronunciations, In ASRU'93 - IEEE Workshop on Automatic Speech Recognition, IEEE, Utah, USA, December 1993
  • Carlos Eduardo Meneses Ribeiro, Isabel Trancoso, António Joaquim Serralheiro, A Software Tool for Speech Collection, Recognition and Reproduction, In EUROSPEECH'93 - European Conference on Speech Technology, ESCA, Berlin, Germany, September 1993
  • Maria do Céu Guerreiro Viana Ribeiro, Isabel Trancoso, Carlos Eduardo Meneses Ribeiro, Amália Andrade, Ernesto Andrade, The Relationship Between Spelled and Spoken Portuguese: Implications for Speech Synthesis and Recognition, In EUROSPEECH'93 - European Conference on Speech Technology, ESCA, Berlin, Germany, September 1993
  • Carlos Jorge da Conceição Teixeira, Isabel Trancoso, António Joaquim Serralheiro, On the Performance of CHMM and SCHMM for Isolated Word Recognition and Rejection, In NATO ASI on New Advances and Trends on Speech Recognition and Coding, Granada, Spain, July 1993

1992

  • Carlos Jorge da Conceição Teixeira, Isabel Trancoso, António Joaquim Serralheiro, Single vs. Multiple Sink Models for Isolated and Connected Word Recognition, In ESCA Tutorial and Research Workshop on Speech Processing in Adverse Conditions, ESCA, Cannes-Mandelieu, France, November 1992
  • Carlos Jorge da Conceição Teixeira, Isabel Trancoso, Word Rejection Using Multiple Sink Models, In ICSLP'92 - Int. Conf. on Spoken Language Processing, Banff, Canada, October 1992
  • Luís C. Oliveira, Maria do Céu Guerreiro Viana Ribeiro, Isabel Trancoso, A Rule-Based Text-to-Speech System for Portuguese, In ICASSP 1992 - Int. Conf. on Acoustics, Speech, and Signal Processing, IEEE, San Francisco, California, USA, March 1992

1991

  • Carlos Eduardo Meneses Ribeiro, Isabel Trancoso, A 4.8 Kbps CELP Coder with Post-Processing, In EUROSPEECH'91 - European Conference on Speech Technology, ESCA, Genoa, Italy, September 1991
  • Filipe Carlos, J. P. Carmona, P. M. Chagas, Luís C. Oliveira, António Joaquim Serralheiro, Isabel Trancoso, A Recognition/Synthesis System Applied to Data Base Access through the Telephone Network, In EUROSPEECH'91 - European Conference on Speech Technology, ESCA, Genoa, Italy, September 1991
  • Luís C. Oliveira, Maria do Céu Guerreiro Viana Ribeiro, Isabel Trancoso, DIXI - Portuguese Text-to-Speech System, In EUROSPEECH'91 - European Conference on Speech Technology, ESCA, Genoa, Italy, September 1991
  • Jorge Marques, Arnaldo Abrantes, Isabel Trancoso, Harmonic Coding of Speech: an Experimental Study, In EUROSPEECH'91 - European Conference on Speech Technology, ESCA, Genoa, Italy, September 1991
  • Jorge Marques, Arnaldo Abrantes, Isabel Trancoso, Hybrid Sinusoidal Modeling of Speech Without Voicing Detection, In EUROSPEECH'91 - European Conference on Speech Technology, ESCA, Genoa, Italy, September 1991
  • Carlos Eduardo Meneses Ribeiro, Isabel Trancoso, Selection of Environmental and Telephone Line Noise Samples for SUN-ROM, In Workshop on International Cooperation and Standardization of Speech Databases and Speech I/O Assessment Methods, Chiavari, Italy, September 1991
  • Carlos Jorge da Conceição Teixeira, Isabel Trancoso, Spectral Subtraction for Front-End Noise Reduction in a Speech Recognizer, In EUROSPEECH'91 - European Conference on Speech Technology, ESCA, Genoa, Italy, September 1991
  • Carlos Eduardo Meneses Ribeiro, Isabel Trancoso, Celp Coder Simulation at 4.8 Kbps, In MELECON 91 - Mediterranean Electrotechnical Conference, IEEE, Ljubljana, July 1991
  • Jorge Marques, Isabel Trancoso, Sinusoidal Modeling of Speech Signals: a Framework for Perceptual Studies, In OTS Workshop on the Psychophysics of Speech Perception II, Utrecht, The Netherlands, July 1991

1990

  • Isabel Trancoso, Carlos Eduardo Meneses Ribeiro, Luís Henrique Martins Borges de Almeida, Luís C. Oliveira, J. S. Marques, CELP - A Candidate for GSM Half-Rate Coding, In ICASSP'90 - International Conference on Acoustics, Speech, and Signal Processing, Albuquerque, New Mexico, U.S.A., April 1990
  • J. S. Marques, Isabel Trancoso, José Manuel Nunes Salvador Tribolet, Luís Henrique Martins Borges de Almeida, Improved Pitch Prediction with Fractional Delays in CELP Coding, In ICASSP'90 - International Conference on Acoustics, Speech, and Signal Processing, Albuquerque, New Mexico, U.S.A., April 1990

1989

  • Isabel Trancoso, Carlos Eduardo Meneses Ribeiro, Adaptive and Stochastic Search Procedures in CELP Based Coders, In EUROSPEECH'89 - European Conference on Speech Technology, ESCA, Paris, France, September 1989
  • Jorge Marques, José Manuel Nunes Salvador Tribolet, Isabel Trancoso, Luís Henrique Martins Borges de Almeida, Pitch Prediction with Fractional Delays in CELP Coding, In EUROSPEECH'89 - European Conference on Speech Technology, ESCA, Paris, France, September 1989
  • Isabel Trancoso, Luís Henrique Martins Borges de Almeida, Jorge Marques, Joaquim Sérvulo Rodrigues, High Quality Mid-Rate Speech Coding, In MELECON 89 - Mediterranean Electrotechnical Conference, IEEE, Lisbon, Portugal, April 1989

1988

  • Isabel Trancoso, Joaquim Sérvulo Rodrigues, Luís Henrique Martins Borges de Almeida, Jorge Marques, António Joaquim Serralheiro, Diana Santos, José Manuel Nunes Salvador Tribolet, Quantization Issues in Harmonic Coders, In ICASSP 1988 - Int. Conf. on Acoustics, Speech, and Signal Processing, IEEE, New York, USA, April 1988

1987

  • Isabel Trancoso, José Manuel Nunes Salvador Tribolet, Harmonic Post-Processing of Speech Synthesized by Stochastic Coders, In European Conference on Speech Technology, Edinburgh, UK, September 1987

1986

  • Isabel Trancoso, Luís Henrique Martins Borges de Almeida, José Manuel Nunes Salvador Tribolet, A Study on the Relationships between Stochastic and Harmonic Coding, In ICASSP 1986 - Int. Conf. on Acoustics, Speech, and Signal Processing, IEEE, Tokyo, Japan, March 1986
  • Isabel Trancoso, Bishnu Atal, Efficient Procedures for Finding the Optimum Innovation in Stochastic Coders, In ICASSP 1986 - Int. Conf. on Acoustics, Speech, and Signal Processing, IEEE, Tokyo, Japan, March 1986

1985

  • Isabel Trancoso, Luís Henrique Martins Borges de Almeida, José Manuel Nunes Salvador Tribolet, Pole-Zero Multipulse Speech Representation Using Harmonic Modelling in the Frequency Domain, In ICASSP 1985 - Int. Conf. on Acoustics, Speech, and Signal Processing, IEEE, Tampa, Florida, USA, March 1985

1984

  • Isabel Trancoso, Ramon Gomez, José Manuel Nunes Salvador Tribolet, A Study on Short-time Phase and Multipulse LPC, In ICASSP 1984 - Int. Conf. on Acoustics, Speech, and Signal Processing, IEEE, San Diego, California,, USA, March 1984

1982

  • Isabel Trancoso, José Manuel Nunes Salvador Tribolet, Carlos Quintas, A Report on Multipulse Excitation for APC and LPC Speech Synthesis, In Workshop on Signal Processing and its Applications, Póvoa de Varzim, Portugal, October 1982

1981

  • Isabel Trancoso, Structured Programming - A Top-down Approach for Digital Speech Processing Systems, In Workshop on Signal Processing and its Applications, Vigo, Spain, July 1981

National Journals

1996

  • Maria do Céu Guerreiro Viana Ribeiro, Luís C. Oliveira, Isabel Trancoso, Pedro Miguel Monteiro Lages de Carvalho, Sistema de Síntese de Fala a Partir de Texto - DIXI, Revista Áudio: Dinamização Cultural, December 1996

National Conferences

2013

2012

2011

  • Pedro Féria de Almeida Girão Antunes, David Martins de Matos, Isabel Trancoso, Audio Based Segmentation Using Timbre and Chroma Features, In INForum 2011 - Computação Sonora e Musical, Coimbra, Portugal, September 2011

2005

  • Isabel Trancoso, Diamantino António Caseiro, Nuno J. Mamede, João Paulo da Silva Neto, Luís C. Oliveira, António Joaquim Serralheiro, Maria do Céu Guerreiro Viana Ribeiro, Building Spoken Language Systems, In 5th Conference on Telecommunications, Tomar, Portugal, April 2005

2001

  • António Joaquim Serralheiro, Hugo Meinedo, Diamantino António Caseiro, Isabel Trancoso, Alinhamento de Livros Falados, In XVII Encontro Nacional da Associação Portuguesa de Linguística, Faculdade de Letras da Universidade de Lisboa, October 2001

2000

  • João Paulo da Silva Neto, Rui Manuel Marques dos Santos Amaral, Isabel Trancoso, Reconhecimento de fala e detecção de tópicos aplicados a sistemas de alerta sobre notícias televisivas, In IV Jornadas de Arquivo e Documentação - Os Arquivos na Era do Digital, Lisboa, Portugal, November 2000

1999

  • Isabel Trancoso, Luís C. Oliveira, Pedro Miguel Monteiro Lages de Carvalho, Maria do Céu Guerreiro Viana Ribeiro, DIXI - A Síntese de Fala Como Auxiliar da Comunicação e da Aprendizagem, In 1as Jornadas Europeias Escola Inclusiva - Aprendizagem da leitura e Escrita, Lisbon, Portugal, May 1999
  • Carlos Eduardo Meneses Ribeiro, Isabel Trancoso, Phonetic Vocoding, In CONFTELE'99 - 2nd Conference on Telecommunications, Sesimbra, Portugal, April 1999

1998

1995

  • Dulce Domingos, Isabel Trancoso, RSA - Um Algoritmo Inquebrável. Até Quando?, In 2º Encontro Nacional do Colégio de Engenharia Electrotécnica, Lisbon, Portugal, December 1995
  • Maria do Céu Guerreiro Viana Ribeiro, Isabel Trancoso, Maria Isabel de Vilhena Mascarenhas, Carlos Eduardo Meneses Ribeiro, Luís C. Oliveira, Corpora de Fala do PE: Constituição, Segmentação e Etiquetagem, In XI Encontro Nacional da Associação Portuguesa de Linguística, Lisbon, Portugal, October 1995

1994

  • Pedro Miguel Monteiro Lages de Carvalho, Paulo J. Lopes, Isabel Trancoso, Luís C. Oliveira, E-mail to Voice-mail Conversion Using a Portuguese Text-to-Speech System, In ICSLP'94 - Int. Conf. on Spoken Language Processing, Yokohama, Japan, September 1994
  • Pedro Miguel Monteiro Lages de Carvalho, Paulo J. Lopes, Isabel Trancoso, Luís C. Oliveira, Maria do Céu Guerreiro Viana Ribeiro, Aplicação de Síntese de Fala a Partir de Texto à leitura Oral de Mensagens de Correio Electrónico, In 1º Encontro Nacional do Colégio de Engenharia Electrotécnica, Lisbon, Portugal, May 1994

1993

  • Luís C. Oliveira, Maria do Céu Guerreiro Viana Ribeiro, Isabel Trancoso, DIXI: Sistema de Síntese de Fala a Prtir de Texto para o Português, In EPLP'93 - 1º Encontro de Processamento da Língua Portuguesa, Lisbon, Portugal, February 1993
  • Carlos Jorge da Conceição Teixeira, Isabel Trancoso, Carlos Eduardo Meneses Ribeiro, Carlos Alberto Rodrigues Martins, António Joaquim Serralheiro, Moises Simões Piedade, Reconhecimento Robusto de Fala: a Experiência do Projecto SUNSTAR, In EPLP'93 - 1º Encontro de Processamento da Língua Portuguesa, Lisbon, Portugal, February 1993
  • Carlos Eduardo Meneses Ribeiro, Isabel Trancoso, António Joaquim Serralheiro, SAR: Uma Ferramenta para o Desenvolvimento de Sistemas de Síntese, Aquisição e Reconhecimento de Fala, In EPLP'93 - 1º Encontro de Processamento da Língua Portuguesa, Lisbon, Portugal, February 1993

1992

  • Maria do Céu Guerreiro Viana Ribeiro, Ernesto Andrade, Luís C. Oliveira, Isabel Trancoso, Uma Questão de Equilíbrio, In Encontro da Associação Portuguesa de Linguística, Lisbon, Portugal, October 1992
  • Carlos Eduardo Meneses Ribeiro, Isabel Trancoso, Noise-Robust Speech Recognition, In RECPAD' 92, Coimbra, Portugal, March 1992

1991

  • Maria do Céu Guerreiro Viana Ribeiro, Luís C. Oliveira, Ernesto Andrade, Isabel Trancoso, Ler_Pe: Um Utensílio para o Estudo da Ortografia do Português, In Encontro da Associação Portuguesa de Linguística, Lisbon, Portugal, October 1991
  • Carlos Jorge da Conceição Teixeira, Isabel Trancoso, Redução de Ruído em Sinais de Fala por Subtracção Espectral, In RecPad 91, Aveiro, Portugal, February 1991

1983

  • António Joaquim Serralheiro, Isabel Trancoso, Aplicação de um DBMS à Gestão Académica de Disciplinas, In 1º Workshop Nacional sobre Engenharia das Telecomunicações e Computadores, Sesimbra, Portugal, November 1983
  • Isabel Trancoso, António Joaquim Serralheiro, José Carlos Martins Delgado, Introdução aos Sistemas de Sinalização por Canal Comum em Portugal, In 1º Workshop Nacional sobre Engenharia das Telecomunicações e Computadores, Sesimbra, Portugal, November 1983

1981

  • Isabel Trancoso, João Gonçalves, Criptofonia : Introdução às Técnicas de Cifração da Fala, In ENDIEL 81, Porto, Portugal, January 1981

1980

  • Isabel Trancoso, José Manuel Nunes Salvador Tribolet, Segurança e Autenticação em Redes e Bancos de Dados, In 1º Congresso Português de Informática, Lisboa, Portugal, May 1980

Technical Reports

2013

2002

  • António Joaquim Serralheiro, Isabel Trancoso, Diamantino António Caseiro, Nuno Guimarães, Luís Carriço, Teresa Chambel, Carlos Duarte, José Borbinha, IPSOM - Indexação, Integração e Pesquisa de Som em Documentos Multimédia, Relatório intercalar do Projecto POSI- 34252/99, Dezembro de 2002, Tech. Rep. 44 / 2002 INESC-ID Lisboa, December 2002

2001

  • António Joaquim Serralheiro, Isabel Trancoso, Diamantino António Caseiro, Nuno Guimarães, Teresa Chambel, José Borbinha, Hugo Amorim, IPSOM - Indexação, Integração e Pesquisa de Som em Documentos Multimédia, Relatório intercalar do Projecto POSI- 34252/99, Tech. Rep. 45 / 2001 INESC-ID Lisboa, December 2001

1994

  • Luís C. Oliveira, Isabel Trancoso, Gonçalo Marques, Composição de Palavras em Português Usando um Teclado Numérico, Tech. Rep. 3 / 1994 INESC-ID Lisboa, March 1994

Doctoral Theses

1987

  • Isabel Trancoso, High Quality Speech Coding at Medium-to-Low Bit Rates, PhD thesis, Instituto Superior Técnico, Lisboa, July 1987

Masters Theses

1984

  • Isabel Trancoso, Introdução à Criptografia de Dados, MSc thesis, Instituto Superior Técnico, Lisboa, April 1984

Other Publications

2003

  • João Paulo da Silva Neto, Hugo Meinedo, Isabel Trancoso, Fórum 2003 (Competitividade, Inovação e Qualificação: Estratégias, Políticas e Desafios), AIP, October 2003

Activity as Advisor

Ongoing

  • Improving Inference in Deep Neural Networks

    (as co-advisor), Vasco Manuel Teodoro Rocha Duarte, MSc thesis. (2013-). Ramon Fernandez Astudillo, advisor.
  • 3P - Portuguese Pronunciation Professor

    , Mariana Sofia Pimenta Lopes, MSc thesis. (2013-). Thomas Aurelien Pellegrini, co-advisor.
  • Anti-spoofing: Speaker Verification vs. Voice Conversion

    , Maria Joana Ribeiro Folgado Correia, MSc thesis. Instituto Superior Técnico (2013-). Alberto Abad Gareta, co-advisor.
  • LTouchit OR: Object Retrieval

    (as co-advisor), Diogo Gil Vieira Henriques, MSc thesis. (2012-). Alfredo Manuel dos Santos Ferreira Júnior, advisor.
  • Automatic tool for screening of cognitive impairments

    , Cristiana Filipa Lopes Amorim, MSc thesis. Instituto Superior Técnico (2012-). Alberto Abad Gareta, co-advisor.
  • Natural Language Processing / Machine Translation

    , Samuel XiaoDong Zeng, PhD thesis. University of Macau (2012-).
  • Privacy preserving frameworks for speech mining

    , José Portelo, PhD thesis. Instituto Superior Técnico (2010-).
  • Speech-to-speech machine translation

    , Wang Ling, PhD thesis. Instituto Superior Técnico / Carnegie Mellon University (2010-).

Finished in 2014

  • AVOZ - Speech Recognition of Elderly Voices

    , Vahid Hedayati, MSc thesis. Instituto Superior Técnico (2012-2014). Thomas Aurelien Pellegrini, co-advisor.

Finished in 2013

  • Lexical Entrainment in Spoken Dialog Systems

    , José Lopes, PhD thesis. Instituto Superior Técnico (2008-2013).
  • New features for on-line aphasia therapy

    , Annamaria Pompili , MSc thesis. Instituto Superior Técnico (2012-2013). Alberto Abad Gareta, co-advisor.
  • Processing disfluencies in European Portuguese

    (as co-advisor), Helena Moniz, PhD thesis. University of Lisbon (2009-2013). Ana Isabel Mata da Silva, advisor.

Finished in 2012

  • Statistical Machine Translation - The Problem of Unknown Words

    (as co-advisor), João Silva, MSc thesis. Instituto Superior Técnico (2011-2012). Maria Luísa Torres Ribeiro Marques da Silva Coheur, advisor.

Finished in 2011

  • Audio-based Music Segmentation Using Multiple Features

    (as co-advisor), Pedro Féria de Almeida Girão Antunes, MSc thesis. Instituto Superior Técnico (2010-2011). David Manuel Martins de Matos, advisor.
  • Teaching Portuguese as a second language: a CALL approach

    (as co-advisor), Bruno Miguel Miranda de Almeida, MSc thesis. Instituto Superior Técnico (2010-2011). Rui Filipe Fernandes Prada, advisor.
  • Vozes de Celebridades

    , Paulo Eduardo dos Santos Veloso Braga, MSc thesis. Instituto Superior Técnico (2010-2011). Hugo Daniel dos Santos Meinedo, co-advisor.
  • Áudio Descrição de Filmes

    , Virgínia Maria Martins Barbosa, MSc thesis. Instituto Superior Técnico, Universidade Técnica de Lisboa (2009-2011). Thomas Aurelien Pellegrini, co-advisor.
  • VITHEA : Terapeuta Virtual para o tratamento da Afasia

    (as co-advisor), Annamaria Pompili , Graduation thesis. Rome University of Tor Vergata (2010-2011). Alberto Abad Gareta, advisor.
  • Indexação de programas noticiosos

    , Rui Pedro Batoreo Amaral, PhD thesis. Instituto Superior Técnico (1999-2011).

Finished in 2010

  • Tradução Automática de Fala

    (as co-advisor), Nuno Miguel Machado Grazina, MSc thesis. (2009-2010). Maria Luísa Torres Ribeiro Marques da Silva Coheur, advisor.
  • Criação de Léxicos Bilingues para Tradução Automática Estatística

    (as co-advisor), Luís Carlos Amado Magalhães Carvalho, MSc thesis. (2008-2010). Maria Luísa Torres Ribeiro Marques da Silva Coheur, advisor.
  • Music Information Extraction and Retrieval

    (as co-advisor), Ricardo Jorge Sebastião dos Santos, MSc thesis. Instituto Superior Técnico (2007-2010). David Manuel Martins de Matos, advisor.
  • Automatic Question Generation for REAP.PT Tutoring System

    (as co-advisor), Rui Pedro dos Santos Correia, MSc thesis. Instituto Superior Técnico, Universidade Técnica de Lisboa (2009-2010). Nuno João Neves Mamede, advisor.
  • Automatic Speech Recognition and Identification of African Portuguese

    (as co-advisor), Oscar Koller, MSc thesis. Berlin University of Technology (2009-2010). Alberto Abad Gareta, advisor.

Finished in 2009

  • Children Voices Detection

    , Rui Martins, MSc thesis. Instituto Superior Técnico, Universidade Técnica de Lisboa (2008-2009).
  • REAP.PT

    (as co-advisor), Luis Marujo, Luís Carlos dos Santos Marujo, MSc thesis. (2008-2009). Nuno João Neves Mamede, advisor.

Finished in 2008

  • Reconhecimento Automático de Pronúncia para Falantes Não Nativos

    , João Paulo Baptista Marques, MSc thesis. (2007-2008).
  • Audio Events Detection

    , José Portelo, MSc thesis. Instituto Superior Técnico, Universidade Técnica de Lisboa (2007-2008). Fernando Henrique Corte Real Mira da Silva, co-advisor.
  • Reconhecimento do Orador

    (as co-advisor), Hugo Cordeiro, MSc thesis. Instituto Superior Técnico (2006-2008). Carlos Eduardo Meneses Ribeiro, advisor.

Finished in 2007

  • Especificação de um Corpus de Fala de Português de Angola

    , Márcio de Oliveira Inocêncio, Graduation thesis. (2006-2007).

Finished in 2005

  • Transcrição Automática de Actas de Reuniões

    , Pedro Miguel Pallin Xavier Afonso, Tiago Manuel Xufre Pacheco Santos, Graduation thesis. (2004-2005).
  • Transcrição de aulas para E-learning

    , Ricardo Jorge Francisco Nunes, Luís Miguel Leitão Neves, Graduation thesis. (2004-2005). Joaquim Armando Pires Jorge, co-advisor.
  • Separação de Oradores

    (as co-advisor), António Nuno Bandarra Quelhas Ribeiro, Graduation thesis. (2004-2005). Fernando Henrique Corte Real Mira da Silva, advisor.

Finished in 2004

  • Determinação Automática de Segmentos para Síntese de Fala por Concatenação

    , Pedro Miguel Monteiro Lages de Carvalho, PhD thesis. Instituto Superior Técnico (1993-2004). Luís Miguel Veiga Vaz Caldas de Oliveira, co-advisor.

Finished in 2003

  • Finite-State Methods in Automatic Speech Recognition

    , Diamantino António Caseiro, PhD thesis. Instituto Superior Técnico, Universidade Técnica de Lisboa (1998-2003).
  • Anotação Morfossintáctica Desambiguada do Português

    , Ricardo Ribeiro, MSc thesis. Instituto Superior Técnico (2000-2003).
  • email2vmail - Leitor de mensagens de correio eletrónico

    (as co-advisor), Pedro Vergílio Portugal Teixeira, Hugo dos Santos Gabriel Correia Pereira, Graduation thesis. Instituto Superior Técnico (2001-2003). Luís Miguel Veiga Vaz Caldas de Oliveira, advisor.

Finished in 2001

  • Automatic Extraction of the Parameters of an Articulatory Model for Speech Synthesis

    , Carlos Alberto Batista da Silva, PhD thesis. Universidade do Minho (1997-2001).

Finished in 2000

  • Reconhecimento Robusto de Dígitos e Números Naturais

    , Frederico Santos Pais Rodrigues, MSc thesis. Instituto Superior Técnico (1997-2000).
  • Reconhecimento de Fala em Português para Aplicações de Vocabulário Extenso

    , Manuel João Mendonça Duarte da Silva, MSc thesis. Universidade Nova de Lisboa - Faculdade de Ciências e Tecnologia (1996-2000).
  • Codificação Fonética - Codificação de Fala Baseada em Segmentos Classificados Foneticamente

    , Carlos Eduardo Meneses Ribeiro, PhD thesis. Instituto Superior Técnico (1991-2000).

Finished in 1999

  • Reconhecimento de Fala de Oradores Estrangeiros

    , Carlos Jorge da Conceição Teixeira, PhD thesis. Instituto Superior Técnico (1994-1999). António Joaquim dos Santos Romão Serralheiro, co-advisor.

Finished in 1998

  • Identificação Automática da Língua em Fala Contínua

    , Diamantino António Caseiro, MSc thesis. Instituto Superior Técnico (1995-1998).

Finished in 1996

  • Síntese de Fala a Partir de Texto

    , Luís C. Oliveira, PhD thesis. Instituto Superior Técnico, Universidade Técnica de Lisboa (1991-1996).

Finished in 1995

  • Correctores Ortográficos

    , José Carlos Medeiros, José Carlos Dinis Medeiros, MSc thesis. Instituto Superior Técnico (1993-1995).

Finished in 1991

  • Codificadores CELP a 4.8 kb/s

    , Carlos Eduardo Meneses Ribeiro, MSc thesis. Instituto Superior Técnico (1988-1991).



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