Christian Wellekens

According to our database, Christian Wellekens authored at least 50 papers between 1982 and 2007.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2007

Introduction to the Special Issue on Intrinsic Speech Variations.

Renato de Mori, Olivier Deroo, Stéphane Dupont, Denis Jouvet, Luciano Fissore, Pietro Laface, Alfred Mertins, Christian Wellekens

Speech Commun., 2007

Automatic speech recognition and speech variability: A review.

Mohamed Benzeghiba, Renato de Mori, Olivier Deroo, Stéphane Dupont, Teodora Erbes, Denis Jouvet, Luciano Fissore, Pietro Laface, Alfred Mertins, Christophe Ris, Richard Rose, Vivek Tyagi, Christian Wellekens

Speech Commun., 2007

Variational Bayesian Learning of Speech GMMS for Feature Enhancement Based on Algonquin.

Svein Gunnar Pettersen, Magne Hallstein Johnsen, Christian Wellekens

Proceedings of the IEEE International Conference on Acoustics, 2007

2006

Least squares filtering of speech signals for robust ASR.

Vivek Tyagi, Christian Wellekens, Dirk T. M. Slock

Speech Commun., 2006

On variable-scale piecewise stationary spectral analysis of speech signals for ASR.

Vivek Tyagi, Hervé Bourlard, Christian Wellekens

Speech Commun., 2006

Special Issue on Robustness Issues for Conversational Interaction.

Ben Milner, Christian Wellekens, Børge Lindberg

Speech Commun., 2006

Speech Recognition in Reverberant Environments Using Remote Microphones.

Luca Giulio Brayda, Christian Wellekens, Marco Matassoni, Maurizio Omologo

Proceedings of the Eigth IEEE International Symposium on Multimedia (ISM 2006), 2006

Fepstrum and Carrier Signal Decomposition of Speech Signals Through Homomorphic Filtering.

Vivek Tyagi, Christian Wellekens

Proceedings of the 2006 IEEE International Conference on Acoustics Speech and Signal Processing, 2006

Automatic Speech Recognition and Intrinsic Speech Variation.

Mohamed Benzeghiba, Renato De Mori, Olivier Deroo, Stéphane Dupont, Teodora Erbes, Denis Jouvet, Luciano Fissore, Pietro Laface, Alfred Mertins, Christophe Ris, Richard Rose, Vivek Tyagi, Christian Wellekens

Proceedings of the 2006 IEEE International Conference on Acoustics Speech and Signal Processing, 2006

Diagnostics of speech recognition using classification phoneme diagnostic trees.

Milos Cernak, Christian Wellekens

Proceedings of the Second IASTED International Conference on Computational Intelligence, 2006

N-best parallel maximum likelihood beamformers for robust speech recognition.

Luca Giulio Brayda, Christian Wellekens, Maurizio Omologo

Proceedings of the 14th European Signal Processing Conference, 2006

2005

Variational Bayesian Methods for Audio Indexing.

Fabio Valente, Christian Wellekens

Proceedings of the Machine Learning for Multimodal Interaction, 2005

A Variable-Scale Piecewise Stationary Spectral Analysis Technique Applied to ASR.

Vivek Tyagi, Christian Wellekens, Hervé Bourlard

Proceedings of the Machine Learning for Multimodal Interaction, 2005

Least Squares Filtering of Speech Signals for Robust ASR.

Vivek Tyagi, Christian Wellekens

Proceedings of the Machine Learning for Multimodal Interaction, 2005

Variational Bayesian speaker change detection.

Fabio Valente, Christian Wellekens

Proceedings of the INTERSPEECH 2005, 2005

Variational Bayesian Adaptation for Speaker Clustering.

Fabio Valente, Christian Wellekens

Proceedings of the 2005 IEEE International Conference on Acoustics, 2005

Variational Bayesian Feature Saliency for Audio Type Classification.

Fabio Valente, Christian Wellekens

Proceedings of the 2005 IEEE International Conference on Acoustics, 2005

On desensitizing the Mel-Cepstrum to spurious spectral components for Robust Speech Recognition.

Vivek Tyagi, Christian Wellekens

Proceedings of the 2005 IEEE International Conference on Acoustics, 2005

2004

Editorial.

Jean-Claude Junqua, Christian Wellekens

Speech Commun., 2004

Variational Bayesian speaker clustering.

Fabio Valente, Christian Wellekens

Proceedings of the ODYSSEY 2004 - The Speaker and Language Recognition Workshop, Toledo, Spain, May 31, 2004

Scoring unknown speaker clustering : VB vs. BIC.

Fabio Valente, Christian Wellekens

Proceedings of the INTERSPEECH 2004, 2004

Variational Bayesian feature selection for Gaussian mixture models.

Fabio Valente, Christian Wellekens

Proceedings of the 2004 IEEE International Conference on Acoustics, 2004

2003

Variational Bayesian GMM for speech recognition.

Fabio Valente, Christian Wellekens

Proceedings of the 8th European Conference on Speech Communication and Technology, EUROSPEECH 2003, 2003

Minimum classification error/eigenvoices training for speaker identification.

Fabio Valente, Christian Wellekens

Proceedings of the 2003 IEEE International Conference on Acoustics, 2003

Symbolic speaker adaptation with phone inventory expansion.

Kyung-Tak Lee, Lynette Melnar, Jim Talley, Christian Wellekens

Proceedings of the 2003 IEEE International Conference on Acoustics, 2003

2002

LU factorization for feature transformation.

Patrick Nguyen, Luca Rigazio, Christian Wellekens, Jean-Claude Junqua

Proceedings of the 7th International Conference on Spoken Language Processing, ICSLP2002, 2002

Piecewise linear constraints for model space adaptation.

Patrick Nguyen, Luca Rigazio, Jean-Claude Junqua, Christian Wellekens

Proceedings of the IEEE International Conference on Acoustics, 2002

2001

Seamless navigation in audio files.

Christian Wellekens

Proceedings of the 2001: A Speaker Odyssey, 2001

Dynamic lexicon using phonetic features.

Kyung-Tak Lee, Christian Wellekens

Proceedings of the EUROSPEECH 2001 Scandinavia, 2001

2000

DISTBIC: A speaker-based segmentation for audio data indexing.

Perrine Delacourt, Christian Wellekens

Speech Commun., 2000

Eigenvoices: A compact representation of speakers in model space.

Patrick Nguyen, Roland Kuhn, Jean-Claude Junqua, Nancy Niedzielski, Christian Wellekens

Ann. des Télécommunications, 2000

A speaker tracking system based on speaker turn detection for NIST evaluation.

Jean-François Bonastre, Perrine Delacourt, Corinne Fredouille, Téva Merlin, Christian Wellekens

Proceedings of the IEEE International Conference on Acoustics, 2000

1999

Maximum likelihood eigenspace and MLLR for speech recognition in noisy environments.

Patrick Nguyen, Christian Wellekens, Jean-Claude Junqua

Proceedings of the Sixth European Conference on Speech Communication and Technology, 1999

Detection of speaker changes in an audio document.

Perrine Delacourt, David Kryze, Christian Wellekens

Proceedings of the Sixth European Conference on Speech Communication and Technology, 1999

Audio Data Indexing: Use of Second-Order Statistics for Speaker-Based Segmentation.

Perrine Delacourt, Christian Wellekens

Proceedings of the IEEE International Conference on Multimedia Computing and Systems, 1999

1998

The use of meta-HMM in multistream HMM training for automatic speech recognition.

Christian Wellekens, Jussi Kangasharju, Cedric Milesi

Proceedings of the 5th International Conference on Spoken Language Processing, Incorporating The 7th Australian International Speech Science and Technology Conference, Sydney Convention Centre, Sydney, Australia, 30th November, 1998

Enhanced ASR by acoustic feature filtering.

Christian Wellekens

Proceedings of the 5th International Conference on Spoken Language Processing, Incorporating The 7th Australian International Speech Science and Technology Conference, Sydney Convention Centre, Sydney, Australia, 30th November, 1998

Introduction to speech recognition using neural networks.

Christian Wellekens

Proceedings of the 6th European Symposium on Artificial Neural Networks, 1998

1997

REMAP for video soundtrack indexing.

Philippe Gelin, Christian Wellekens

Proceedings of the 1997 IEEE International Conference on Acoustics, 1997

1996

Keyword spotting enhancement for video soundtrack indexing.

Philippe Gelin, Christian Wellekens

Proceedings of the 4th International Conference on Spoken Language Processing, 1996

Keyword spotting for video soundtrack indexing.

Philippe Gelin, Christian Wellekens

Proceedings of the 1996 IEEE International Conference on Acoustics, 1996

1992

Mixture density estimators in Viterbi training.

Christian Wellekens

Proceedings of the 1992 IEEE International Conference on Acoustics, 1992

1990

Links Between Markov Models and Multilayer Perceptrons.

Hervé Bourlard, Christian Wellekens

IEEE Trans. Pattern Anal. Mach. Intell., 1990

1989

Statistical Inference in Multilayer Perceptrons and Hidden Markov Models with Applications in Continuous Speech Recognition.

Hervé Bourlard, Nelson Morgan, Christian Wellekens

Proceedings of the Neurocomputing - Algorithms, Architectures and Applications, Proceedings of the NATO Advanced Research Workshop on Neurocomputing Algorithms, Architectures and Applications, Les Arcs, France, February 27, 1989

Speech dynamics and recurrent neural networks.

Hervé Bourlard, Christian J. Wellekens

Proceedings of the IEEE International Conference on Acoustics, 1989

1987

Explicit time correlation in hidden Markov models for speech recognition.

Christian J. Wellekens

Proceedings of the IEEE International Conference on Acoustics, 1987

1986

Global connected digit recognition using Baum-Welch algorithm.

Christian Wellekens

Proceedings of the IEEE International Conference on Acoustics, 1986

1985

Speaker dependent connected speech recognition via phonetic Markov models.

Hervé Bourlard, Yves G. Kamp, Christian Wellekens

Proceedings of the IEEE International Conference on Acoustics, 1985

1984

Connected digit recognition using vector quantization.

Hervé Bourlard, Christian Wellekens, Hermann Ney

Proceedings of the IEEE International Conference on Acoustics, 1984

1982

Optimal design of minimum phase FIR filters.

Yves G. Kamp, Christian Wellekens

Proceedings of the IEEE International Conference on Acoustics, 1982