Nicholas Evans

Introduction to the issue on spoofing and countermeasures for automatic speaker verification

Junichi Yamagishi, Tomi H Kinnunen, Nicholas Evans, Phillip De Leon and Isabel Trancoso
IEEE Journal of Selected Topics in Signal Processing, Vol. 11, No. 4, June 2017

ASVspoof: the automatic speaker verification spoofing and countermeasures challenge

Zhizheng Wu, Junichi Yamagishi, Tomi Kinnunen, Cemal Hanilci, Md Sahidullah, Aleksandr Sizov, Nicholas Evans, Massimiliano Todisco and Hector Delgado
IEEE Journal of Selected Topics in Signal Processing, Vol. 11, No. 4, February 2017

Constant Q cepstral coefficients: A spoofing countermeasure for automatic Speaker verification

Massimiliano Todisco, Héctor Delgado and Nicholas Evans
Computer Speech & Language, 20 February 2017

An assessment of automatic speaker verification vulnerabilities to replay spoofing attacks

Artur Janicki, Federico Alegre and Nicholas Evans
Security and Communication Networks, Wiley, 2016

ASVspoof 2015: the first automatic speaker verification spoofing and countermeasures challenge

Zhizheng Wu, Tomi Kinnunen, Nicholas Evans and Junichi Yamagishi
IEEE Signal Processing Society Speech and Language Technical Committee Newsletter (SLTC Newsletter), 20 November 2015

Biometrics systems under spoofing attack: an evaluation methodology and lessons learned

Abdenour Hadid, Nicholas Evans, Sébastien Marcel and Julian Fierrez
IEEE Signal Processing Magazine, September 2015

Guest Editorial - Special Issue on Biometric Security and Privacy

Nicholas Evans, Sébastien Marcel, Arun Ross and Andrew Teoh
IEEE Signal Processing Magazine, Volume 21, Number 5, September 2015

Guest Editorial - Special Issue on Biometric Spoofing and Countermeasures

Nicholas Evans, Stan Z. Li, Sébastien Marcel and Arun Ross
IEEE Transactions on Information Forensics and Security, Volume 10, N°4, April 2015, ISSN: 1556-6013

Spoofing and countermeasures for speaker verification: a survey

Zhizheng Wu, Nicholas Evans, Tomi Kinnunen, Junichi Yamagishi, Federico Alegre and Haizhou Li
Speech Communications, Elsevier, 2014

A subspace co-training framework for multi-view clustering

Xuran Zhao, Nicholas Evans and Jean-Luc Dugelay
Pattern Recognition Letters, Elsevier, 2014

Spoofing and countermeasures for speaker verification: a need for standard corpora, protocols and metrics

Evans, Nicholas W D; Yamagishi, Junichi; Kinnunen, Tomi
IEEE Signal Processing Society Newsletter, May 2013

Online non-negative convolutive pattern learning for speech signals

Wang, Dong; Vipperla, Ravichander; Evans, Nicholas W D; Zheng, Thomas Fang
IEEE Transactions on Signal Processing, Volume 61, N°1, 2013, ISSN: 1053-587X

Direct posterior confidence for out-of-vocabulary spoken term detection

Wang, Dong; King, Simon; Frankel, Joe; Vipperla, Ravichander; Evans, Nicholas W D; Troncy, Raphaël
ACM Transactions on Information Systems (TOIS), Vol 30, N°3, August 2012

A comparative study of bottom-up and top-down approaches to speaker diarization

Evans, Nicholas W D; Bozonnet, Simon; Wang, Dong; Fredouille, Corinne; Troncy, Raphaël
"IEEE Transactions On Audio Speech and Language Processing" (TASLP), special issue on "New Frontiers in Rich Transcription", February 2012, Volume 20, N°2, ISSN: 1558-7916

Speaker diarization : A review of recent research

Anguera, X; Bozonnet, Simon; Evans, Nicholas W D; Fredouille, Corinne; Friedland, G; Vinyals, O
"IEEE Transactions On Audio, Speech, and Language Processing" (TASLP), special issue on "New Frontiers in Rich Transcription", February 2012, Volume 20, N°2, ISSN: 1558-7916

Footstep recognition for a smart home environment

Vera Rodríguez, Rubén;Lewis, Richard P;Mason, John S D;Evans, Nicholas W D
IJSH, International Journal of Smart Home, Volume 2, N°2, April 2008

Data-model relationship in text-independent speaker recognition

J. S. Mason, N. W. D. Evans, R. Stapert, R. Auckenthaler
EURASIP Journal on Applied Signal Processing, volume 2005, number 4, March 2005

Voice biometrics over the Internet in the framework of Cost action 275

L. Besacier, A. M. Ariyaeeinia, J. S. Mason, J.-F. Bonastre, R. Mayorga, C. Fredouille, S. Meignier, J. Siau, N. W. D. Evans, R. Auckenthaler, R. Stapert
EURASIP Special Issue on Biometric Signal Processing, volume 2004, number 4, April 2004

Speaker change detection using binary key modelling with contextual information

Jose Patino, Héctor Delgado and Nicholas Evans
SLSP 2017, 5th International Conference on Statistical Language and Speech Processing, October 23-25, 2017, Le Mans, France

Impact of bandwidth and channel variation on presentation attack detection for speaker verification

Héctor Delgado, Massimiliano Todisco, Nicholas Evans, Md Sahidullah, Wei Ming Liu, Federico Alegre, Tomi Kinnunen and Benoit Fauve
BIOSIG 2017, 16th International Conference of the Biometrics Special Interest Group, September 20-22, 2017, Darmstadt, Germany

The ASVspoof 2017 challenge: Assessing the limits of replay spoofing attack detection

Tomi Kinnunen, Md Sahidullah, Héctor Delgado, Massimiliano Todisco, Nicholas Evans, Junichi Yamagishi and Kong Aik Lee
INTERSPEECH 2017, Annual Conference of the International Speech Communication Association, August 20-24, 2017, Stockholm, Sweden

The I4U mega fusion and collaboration for NIST speaker recognition evaluation 2016

K. A. Lee, V. Hautamäki, T. Kinnunen et al.
INTERSPEECH 2017, Annual Conference of the International Speech Communication Association, August 20-24, 2017, Stockholm, Sweden

Artificial bandwidth extension using the constant Q transform

Pramod Bachhav, Massimiliano Todisco, Moctar Mossi, Christophe Beaugeant and Nicholas Evans
ICASSP 2017, 42nd IEEE International Conference on Acoustics, Speech and Signal Processing, March 5-9, 2017, New Orleans, USA

RedDots replayed: A new replay spoofing attack corpus for text-dependent speaker verification research

Tomi Kinnunen, Md Sahidullah, Mauro Falcone, Luca Costantini, Rosa Gonzalez Hautamäki, Dennis Thomsen, Achintya Sarkar, Zheng-Hua Tan, Hector Delgado, Massimiliano Todisco, Nicholas Evans, Ville Hautamäki and Kong Aik Lee
ICASSP 2017, 42nd IEEE International Conference on Acoustics, Speech and Signal Processing, March 5-9, 2017, New Orleans, USA

A simplified 2-layer text-dependent speaker authentication system

Giacomo Valenti, Adrien Daniel and Nicholas Evans
AES 2017, 143rd International AES Convention, October 18-21, 2017, New York, USA

From media fears to research reality: How ready are countermeasures against speaker verification spoofing?

Jasmin Liu, Federico Alegre, Benoit Fauve, Anssi Kanervisto, Md Sahidullah, Tomi Kinnunen, Héctor Delgado, Massimiliano Todisco, Nicholas Evans and Mauro Falcone
UK Speech Conference, 11-12 September 2017, Cambridge, UK

EURECOM submission to the Albayzin 2016 speaker diarization evaluation

Jose Patino, Héctor Delgado, Nicholas Evans and Xavier Anguera
IBERSPEECH 2016, November 23-25, 2016, Lisbon, Portugal

Further optimisations of constant Q cepstral processing for integrated utterance verification and text-dependent speaker verification

Héctor Delgado, Massimiliano Todisco, Md. Sahidullah, Achintya K. Sarkar, Nicholas Evans, Tomi Kinnunen and Zheng-Hua Tan
SLT 2016, IEEE Workshop on Spoken Language Technology, December 13-16, 2016, San Juan, Puerto Rico

Acoustic scene classification using convolutional neural networks

Daniele Battaglino, Ludovic Lepauloux and Nicholas Evans
DCASE 2016, Workshop on Detection and Classification of Acoustic Scenes and Events, September 3rd, 2016, Budapest, Hungary

The open set problem in acoustic scene classification

Daniele Battaglino, Ludovick Lepauloux and Nicholas Evans
IWAENC 2016, 15th International Workshop on Acoustic Signal Enhancement, September 13-16, 2016, Xi'an, China

Articulation rate filtering of CQCC features for automatic speaker verification

Massimiliano Todisco, Héctor Delgado and Nicholas Evans
in Proc. INTERSPEECH 2016, 17th Annual Conference of the International Speech Communication Association (ISCA)

Integrated spoofing countermeasures and automatic speaker verification: an evaluation on ASVspoof 2015

Md Sahidullah, Héctor Delgado, Massimiliano Todisco, Hong Yu, Tomi Kinnunen, Nicholas Evans and Zheng-Hua Tan
in Proc. INTERSPEECH 2016, 17th Annual Conference of the International Speech Communication Association (ISCA)

Utterance verification for text-dependent speaker recognition: a comparative assessment using the RedDots corpus

Tomi Kinnunen, Md Sahidullah, Ivan Kukanov, Héctor Delgado, Massimiliano Todisco, Achintya Sarkar, Nicolai Thomsen, Ville Hautamaki, Nicholas Evans and Zheng-Hua Tan
in Proc. INTERSPEECH 2016, 17th Annual Conference of the International Speech Communication Association (ISCA)

On the Influence of text content on pass-phrase strength for short-duration text-dependent automatic speaker authentication

Giacomo Valenti, Adrien Daniel and Nicholas Evans
in Proc. INTERSPEECH 2016, 17th Annual Conference of the International Speech Communication Association (ISCA)

A new feature for automatic speaker verification anti-spoofing: Constant Q cepstral coefficients

Massimiliano Todisco, Héctor Delgado and Nicholas Evans
ODYSSEY 2016, The Speaker and Language Recognition Workshop, June 21-24, 2016, Bilbao, Spain

Semi-supervised on-line speaker diarization for meeting data with incremental maximum a-posteriori adaptation

Giovanni Soldi, Massimiliano Todisco, Héctor Delgado, Christophe Beaugeant and Nicholas Evans
ODYSSEY 2016, The Speaker and Language Recognition Workshop, June 21-24, 2016, Bilbao, Spain

Acoustic context recognition using local binary pattern codebooks

Daniele Battaglino, Ludovick Lepauloux, Laurent Pilati and Nicholas Evans
WASPAA 2015, IEEE Workshop on Applications of Signal Processing to Audio and Acoustics, 18-21 October 2015, New Paltz, NY, USA

An alternative view of loudspeaker nonlinearities using the Hilbert-Huang transform

Leela K. Gudupudi, Navin Chatlani, Christophe Beaugeant and Nicholas Evans
WASPAA 2015, IEEE Workshop on Applications of Signal Processing to Audio and Acoustics, 18-21 October 2015, New Paltz, NY, USA

Phone adaptive training for short-duration speaker verification

Giovanni Soldi, Simon Bozonnet, Christophe Beaugeant and Nicholas Evans
EUSIPCO 2015, 23rd European Signal Processing Conference, August 31st-September 4th, 2015, Nice, France

Adaptive and online speaker diarization for meeting data

Giovanni Soldi, Christophe Beaugeant and Nicholas Evans
EUSIPCO 2015, 23rd European Signal Processing Conference, August 31st-September 4th, 2015, Nice, France

Acoustic context recognition for mobile devices using a reduced complexity SVM

Daniele Battaglino, Annamaria Mesaros, Ludovick Lepauloux, Laurent Pilati and Nicholas Evans
EUSIPCO 2015, 23rd European Signal Processing Conference, August 31st-September 4th, 2015, Nice, France

ASVspoof 2015: the first automatic speaker verification spoofing and countermeasures challenge

Zhizheng Wu, Tomi Kinnunen, Nicholas Evans, Junichi Yamagishi, Cemal Hanilci, Md Sahidullah and Aleksandr Sizov
INTERSPEECH 2015, Automatic Speaker Verification Spoofing and Countermeasures Challenge, colocated with INTERSPEECH 2015, September 6-10, 2015, Dresden, Germany

Non-linear acoustic echo cancellation using empirical mode decomposition

Leela K Gudupudi, Navin Chatlani, Christophe Beaugeant and Nicholas Evans
ICASSP 2015, 40th IEEE International Conference on Acoustics, Speech and Signal Processing, 19-24 April 2015, Brisbane, Australia

Characterization and modelling of non-linear loudspeakers

Leela Gudupudi, Christophe Beaugeant and Nicholas Evans
IWAENC 2014, 14th International Workshop on Acoustic Signal Enhancement, September 8-11, 2014, Antibes-Juan Les Pins, France

Re-assessing the threat of replay spoofing attacks against automatic speaker verification

Federico Alegre, Nicholas Evans and Artur Janicki
BIOSIG 2014, 13th International Conference of the Biometrics Special Interest Group, 10-12 September 2014, Darmstadt, Germany

Short-duration speaker modelling with phone adaptive training

Giovanni Soldi, Simon Bozonnet, Federico Alegre, Christophe Beaugeant and Nicholas Evans
ODYSSEY 2014, Speaker and Language Recognition Workshop, June 16-19, 2014, Joensuu, Finland

A comparison of different loudspeaker models to empirically estimated non-linerities

Leela K Gudupudi, Christophe Beaugeant, Nicholas Evans, Moctar Mossi and Ludovick Lepauloux
HSCMA 2014, 4th Joint Workshop on Hands-free Speech Communication and Microphone Arrays, May 12-14, 2014, Nancy, France

Evasion and obfuscation in automatic speaker verification

Federico Alegre, Giovanni Soldi and Nicholas Evans
ICASSP 2014, IEEE International Conference on Acoustics, Speech, and Signal Processing, May 4-9, 2014, Firenze, Italy

Evasion and obfuscation in speaker recognition surveillance and forensics

Federico Alegre, Giovanni Soldi, Nicholas Evans, Benoit Fauve and Jasmin Liu
IWBF 2014, 2nd International Workshop on Biometrics and Forensics, March 27-28, 2014, Valletta, Malta

Unsupervised multi-view dimensionality reduction with application to audio-visual speaker retrieval

Zhao, Xuran; Evans, Nicholas; Dugelay, Jean-Luc
WIFS 2013, IEEE International Workshop on Information Forensics and Security, 18-21 November, Guangzhou, China

A one-class classification approach to generalised speaker verification spoofing countermeasures using local binary patterns

Alegre, Federico; Amehraye, Asmaa; Evans, Nicholas W D
BTAS 2013, 6th IEEE International Conference on Biometrics: Theory, Applications and Systems, Washington, September 29-October 2, 2013, Washington DC, USA

Spoofing and countermeasures for automatic speaker verification

Evans, Nicholas W D; Kinnunen, Tomi; Yamagishi, Junichi
INTERSPEECH 2013, 14th Annual Conference of the

A new speaker verification spoofing countermeasure based on local binary patterns

Alegre, Federico; Vipperla, Ravichander; Amehraye, Asmaa; Evans, Nicholas W D
INTERSPEECH 2013, 14th Annual Conference of the

Using linguistic information to detect overlapping speech

Geiger, Jürgen T; Eyben, Florian; Evans, Nicholas W D; Schuller, Björn; Rigoll, Gerhard
INTERSPEECH 2013, 14th Annual Conference of the

Open-set semi-supervised audio-visual speaker recognition using co-training LDA and sparse representation classifiers

Zhao, Xuran; Evans, Nicholas W D; Dugelay, Jean-Luc
ICASSP 2013, 38th IEEE International Conference on Acoustics, Speech, and Signal Processing, May 26-31, Vancouver, Canada

An experimental framework for the derivation of perceptually-optimal noise suppression functions

Daniel, Adrien; Lepauloux, Ludovick; Yemdji, Christelle; Evans, Nicholas; Beaugeant, Christophe
ICASSP 2013, 38th IEEE International Conference on Acoustics, Speech, and Signal Processing, May 26-31, Vancouver, Canada

Voice activity detection based on a statistical semiparametric test

Asmaa, Amehraye; Fillatre, Lionel; Evans, Nicholas W D
ICASSP 2013, IEEE International Conference on Acoustics, Speech and Signal Processing, Vancouver, Canada, 2013

Spoofing countermeasures to protect automatic speaker verification from voice conversion

Alegre, Federico; Amehraye, Asmaa; Evans, Nicholas W D
ICASSP 2013, 38th IEEE International Conference on Acoustics, Speech, and Signal Processing, May 26-31, 2013, Vancouver, Canada

Convolutive non-negative sparse coding and new features for speech overlap handling in speaker diarization

Geiger, Juergen; Vipperla, Ravichander; Bozonnet, Simon; Evans, Nicholas; Schuller, Bjoern; Rigoll, Gerhard
INTERSPEECH 2012, 13th Annual Conference of the International Speech Communication Association, Volume3, September 9-13, Portland, Oregon, USA

Phone adaptive training for speaker diarization

Bozonnet, Simon; Vipperla, Ravichander; Evans, Nicholas W D
INTERSPEECH 2012, 13th Annual Conference of the International Speech Communication Association, September 9-13, Portland, Oregon, USA

Spoofing countermeasures for the protection of automatic speaker recognition systems against attacks with artificial signals

Alegre, Federico; Vipperla, Ravichander; Evans, Nicholas W D
INTERSPEECH 2012, 13th Annual Conference of the International Speech Communication Association, September 9-13, Portland, Oregon, USA

Dual channel echo postfiltering for hands-free mobile terminals

Yemdji, Christelle; Mossi Idrissa, Moctar; Evans, Nicholas W D; Beaugeant, Christophe; Vary, Peter
IWAENC 2012, International Workshop on Acoustic Signal Enhancement, September 4-6, 2012, Aachen, Germany

A new cross-domain approach to synchronized adaptive echo cancellation and echo postfiltering

Yemdji, Christelle; Mossi Idrissa, Moctar; Evans, Nicholas W D; Beaugeant, Christophe
EUSIPCO 2012, European Signal Processing Conference, August, 27-31, 2012, Bucharest, Romania

Multi-view semi-supervised discriminant analysis: A new approach to audio-visual person recognition

Zhao, Xuran; Evans, Nicholas W D; Dugelay, Jean-Luc
EUSIPCO 2012, European Signal Processing Conference, August, 27-31, 2012, Bucharest, Romania

Speech overlap detection using convolutive non-negative sparse coding: New improvements and Insights

Geiger, Jürgen; Vipperla, Ravichander; Evans, Nicholas; Schuller, Björn; Rigoll, Gerhard
EUSIPCO 2012, European Signal Processing Conference, August, 27-31, 2012, Bucharest, Romania

On the vulnerability of automatic speaker recognition to spoofing attacks with artificial signals

Alegre, Federico; Vipperla, Ravichander; Evans, Nicholas WD; Fauve, Benoit
EUSIPCO 2012, European Signal Processing Conference, August, 27-31, 2012, Bucharest, Romania

Co-LDA: A semi-supervised approach to audio-visual person recognition

Zhao, Xuran; Evans, Nicholas W D; Dugelay, Jean-Luc
ICME 2012, IEEE International Conference on Multimedia and Expo, 9-13 July, 2012, Melbourne, Australia

Dual amplifier and loudspeaker compensation using fast convergent and cascaded approaches to non-linear acoustic echo cancellation

Mossi, Moctar; Yemdji, Christelle; Evans, Nicholas W D; Beaugeant, Christophe; Plante, Fabrice M; Marfouq, Fatimazahra
ICASSP 2012, 37th International Conference on Acoustics, Speech and Signal Processing, March 25-30, 2012, Kyoto, Japan

Speech overlap detection and attribution using convolutive non-negative sparse coding

Vipperla, Ravichander; Geiger, Juergen T; Bozonnet, Simon; Wang, Dong; Evans, Nicholas W D; Schuller, Bjorn; Rigoll, Gerhard
ICASSP 2012, 37th International Conference on Acoustics, Speech and Signal Processing, March 25-30, 2012, Kyoto, Japan

Non-linear acoustic echo cancellation using online loudspeaker linearization

Mossi, Moctar; Yemdji, Christelle; Evans, Nicholas W D; Beaugeant, Christophe
WASPAA 2011, IEEE Workshop on Applications of Signal Processing to Audio and Acoustics, October 16-19, 2011, New York, USA

Semi-supervised face recognition with LDA self-training

Zhao, Xuran; Evans, Nicholas W D; Dugelay, Jean-Luc
ICIP 2011, IEEE International Conference on Image Processing, September 11-14, 2011, Brussels, Belgium

Robust speech recognition in multi-source noise environments using convolutive non-negative matrix factorization

Vipperla, Ravichander; Bozonnet, Simon; Wang, Dong; Evans, Nicholas W D
CHIME 2011, 1st International Workshop on Machine Listening in Multisource Environments, Interspeech, September 1st, 2011, Florence, Italy

A co-training approach to automatic face recognition

Zhao, Xuran; Evans, Nicholas W D; Dugelay, Jean-Luc
EUSIPCO 2011, 19th European Signal Processing Conference 2011, August 29-September 2, 2011, Barcelona, Spain

Parallel and hierarchical decision making for sparse coding in speech recognition

Wang, Dong; Vipperla, Ravichander; Evans, Nicholas W D
INTERSPEECH 2011, 12th Annual Conference of the International Speech Communication, August 28-31, Florence, Italy

Online pattern learning for non-negative convolutive sparse coding accepted for publication

Wang, Dong; Vipperla, Ravichander; Evans, Nicholas W D
INTERSPEECH 2011, 12th Annual Conference of the International Speech Communication, August 28-31, Florence, Italy

A scalable frequency domain-based linear convolution architecture for speech enhancement

Yemdji, Christelle; Mossi, Moctar; Evans, Nicholas W D; Beaugeant, Christophe
DSP 2011, 17th International Conference on Digital Signal Processing, July 6-8, 2011, Corfu, Greece

Robust and low-cost cascaded non-linear acoustic echo cancellation

Mossi, Moctar; Yemdji, Christelle; Evans, Nicholas W D; Beaugeant, Christophe; Degry, Philippe
ICASSP 2011, 36th International Conference on Acoustics, Speech and Signal Processing, May 22-27, 2011, Prague, Czech Republic

Handling overlaps in spoken term detection

Wang, Dong; Evans, Nicholas W D; Troncy, Raphaël; King, Simon
ICASSP 2011, 36th International Conference on Acoustics, Speech and Signal Processing, May 22-27, 2011, Prague, Czech Republic

Linguistic influences on bottom-up and top-down clustering for speaker diarization

Bozonnet, Simon; Wang, Dong; Evans, Nicholas W D; Troncy, Raphaël
ICASSP 2011, 36th International Conference on Acoustics, Speech and Signal Processing, May 22-27, 2011, Prague, Czech Republic

A comparative assessment of noise and non-linear echo effects in acoustic echo cancellation

Mossi, Moctar; Yemdji, Christelle; Evans, Nicholas W D; Beaugeant, Christophe
ICSP 2010, 4th International Conference on Signal Processing, October 24-28, 2010, Beijing, China

CRF-based stochastic pronunciation modeling for out-of-vocabulary spoken term detection

Wang, Dong; King, Simon; Evans, Nicholas W D; Troncy, Raphaël
INTERSPEECH 2010, 11th Annual Conference of the International Speech Communication Association, September 26-30, 2010, Makuhari, Japan

System output combination for improved speaker diarization

Bozonnet, Simon; Evans, Nicholas W D; Anguera, X; Vinyals, O; Friedland, G; Fredouille, Corinne
INTERSPEECH 2010, 11th Annual Conference of the International Speech Communication Association, September 26-30, 2010, Makuhari, Japan

An integrated top-down/bottom-up approach to speaker diarization

Bozonnet, Simon; Evans, Nicholas W D; Fredouille, C; Wang, Dong; Troncy, Raphaël
INTERSPEECH 2010, 11th Annual Conference of the International Speech Communication Association, September 26-30, 2010, Makuhari, Japan

Direct posterior confidence for out-of-vocabulary spoken term detection

Wang, Dong; King, Simon; Evans, Nicholas W D; Troncy, Raphaël
SSCS 2010, ACM Workshop on Searching Spontaneous Conversational Speech, September 20-24, 2010, Firenze, Italy

New models for characterizing mobile terminal loudspeaker distortions

Mossi, Moctar; Yemdji, Christelle; Evans, Nicholas W D; Hergoltz, C; Beaugeant, Christophe; Degry, P
IWAENC 2010, International Workshop on Acoustic Echo and Noise Control, August 30-September 2nd, 2010, Tel Aviv, Israel

Low delay filtering for joint noise reduction and residual echo suppression

Yemdji, Christelle; Mossi, Moctar; Evans, Nicholas W D; Beaugeant, Christophe
IWAENC 2010, International Workshop on Acoustic Echo and Noise Control, August 30-September 2nd, 2010, Tel Aviv, Israel

A Multimodal approach to initialisation for top-down speaker diarization of television shows

Bozonnet, Simon; Vallet, Félicien; Evans, Nicholas W D; Essid, Slim; Richard, Gaël; Carrive, Jean
EUSIPCO 2010, 18th European Signal Processing Conference, August 23-27, 2010, Aalborg, Denmark

Efficient low delay filtering for residual echo suppression

Yemdji, Christelle; Mossi, Moctar; Evans, Nicholas W D; Beaugeant, Christophe
EUSIPCO 2010, 18th European Signal Processing Conference, August 23-27, 2010, Aalborg, Denmark

Towards collaborative annotation for video accessibility

Champin, Pierre-Antoine; Encelle, Benoît; Evans, Nicholas W D; Troncy, Raphaël; Beldame, Magali O ; Prié, Yannick
W4A 2010, 7th International Cross-Disciplinary Conference on Web Accessibility, April 26-27, 2010, Raleigh, USA

The LIA-Eurecom RT'09 speaker diarization system : enhancements in speaker modelling and cluster purification

Bozonnet, Simon; Evans, Nicholas W D; Fredouille, Corinne
ICASSP 2010, 35th International Conference on Acoustics, Speech, and Signal Processing, March 14-19, 2010, Dallas, Texas, USA

An assessment of linear adaptive filter performance with nonlinear distortions

Mossi, Moctar; Evans, Nicholas W D; Beaugeant, Christophe
ICASSP 2010, 35th International Conference on Acoustics, Speech, and Signal Processing, March 14-19, 2010, Dallas, Texas, USA

Automatic cross-biometric footstep database labelling using speaker recognition

Vera-Rodriguez, Ruben; Mason, John S D;Evans, Nicholas W D
ICB 2009, 3rd IAPR/IEEE International Conference of Biometrics, June 2-5, 2009, Alghero, Sardinia Island, Italy | Also published as Springer "Lecture Notes in Computer Science", Vol. 5558/2009

The LIA-EURECOM RT`09 Speaker Diarization System

Fredouille, Corinne;Bozonnet, Simon; Evans, Nicholas W D
RT 2009, NIST Rich Transcription Workshop, May 28-29, 2009, Melbourne, USA

Speaker diarization using unsupervised discriminant analysis of inter-channel delay features

Evans, Nicholas W D;Fredouille, Corinne;Bonastre, Jean-François
ICASSP 2009, International conference on Acoustics, Speech and Signal Processing. April 19-24, 2009, Taipei, Taiwan

Towards a new image-based spectrogram segmentation speech coder optimised for intelligibility

Jellyman, Keith A;Evans, Nicholas W D; Liu, WM;Mason, J S D
MMM 2009, 15th international Multimedia Modeling Conference, January 7-9, 2009, Sophia-Antipolis, France / Also published in Springer "LNCS" 5371/2009

A large scale footstep database for biometric studies created using cross-biometrics for labelling

Vera Rodríguez, Rubén; Lewis, Richard P;Mason, John S D; Evans, Nicholas W D
ICARCV 2008, 10th International Conference on Control, Automation, Robotics and Vision, December 17-20, 2008, Hanoi, Vietnam

Assessment of objective quality measures for speech intelligibility

Liu, WM;Jellyman, KA;Evans, Nicholas W D;Mason, J S D
INTERSPEECH 2008, 9th Annual Conference of the International Speech Communication Association, September 22-26, 2008, Brisbane, Australia

An assessment of speech related information contained in GEMS signals

Jellyman, KA; Liu, WM;Mason, J S D; Evans, Nicholas W D
EUSIPCO 2008, 16th European Signal Processing Program, August 25-29, 2008, Lausanne, Switzerland

New implementations of the E-HMM-based system for speaker diarization in meeting rooms

C. Fredouille, N. W. D. Evans
Proc. ICASSP, pages 4357 - 4360, 2008

ALIZE/SpkDet: a state-of-the-art open source software for speaker recognition

J.-F. Bonastre, N. Scheffer, D. Matrouf, C. Fredouille, A. Larcher, A. Preti, G. Pouchoulin, N. Evans, B. Fauve, J. Mason
Proc. Speaker Odyssey, 2008

The LIA RT'07 Speaker Diarization System

C. Fredouille, N. W. D. Evans
Lecture Notes on Computer Science, CLEAR 2007 and RT 2007, Multimodal Technologies for Perception of Humans, volume 4625/2008, pages 520-532, 2008

Improving the performance of text-independent short duration SVM- and GMM-based speaker verification

B. Fauve, N. Evans, J. Mason
Proc. Odyssey: the Speaker and Language Recognition Workshop, 2008

Feature optimization on geometric and holistic approaches for a footstep biometric verification system

R. Vera-Rodriguez, R. P. Lewis, N. W. D. Evans, J. S. D. Mason
Proc. 4th Summer School for Advanced Studies on Biometrics for Secure Authentication: New Technologies and Embedded Systems, 2007

An Experimental Study on the Feasibility of Footsteps As a Biometric

R. Vera-Rodriguez, N. W. D. Evans, R. P. Lewis, B. G. B. Fauve, J. S. D. Mason
Proc. EUSIPCO, Poznan, Poland, pages 748-752, 2007

Influence of task duration in text-independent speaker verification

B. Fauve, N. Evans, N. Pearson, J.-F. Bonastre, J. Mason
Proc. Interspeech, 2007

The influence of speech activity detection and overlap on speaker diarization for meeting room recordings

C. Fredouille, N. W. D. Evans
Proc. Interspeech, 2007

An Assessment of Automatic Speech Recognition as Speech Intelligibility Estimation in the Context of Additive Noise

W. M. Liu, J. S. Mason, N. W. D. Evans, K. A. Jellyman
Proc. ICSLP, 2006

Assessment of Objective Quality Measures for Speech Intelligibility Estimation

W. M. Liu, K. A. Jellyman, J. S. Mason, N. W. D. Evans
Proc. ICASSP, 2006

An assessment on the fundamental limitations of spectral subtraction

N. W. D. Evans, J. S. Mason, W. M. Liu, B. G. B. Fauve
Proc. ICASSP, 2006

On the Fundamental Limitations of Spectral Subtraction: An Assessment by Automatic Speech Recognition

N. W. D. Evans, J. S. Mason, W. M. Liu, B. G. B. Fauve
Proc. EUSIPCO, 2005

Morphological Filtering of Spectrograms for Automatic Speech Recognition

W. M. Liu, V. J. Rivas Bastante, F. Romero Rodridguez, N. W. D. Evans, J. S. Mason
Proc IASTED VIIP, 2004

Morphological Filtering of Speech Spectrograms in the Context of Additive Noise

F. Romero Rodriguez, W. M. Liu, N. W. D. Evans, J. S. D. Mason
Proc. Eurospeech, 2003

Computationally Efficient Noise Compensation for Robust Automatic Speech Recognition Assessed under the AURORA 2/3 Framework

N. W. D. Evans, J. S. Mason
Proc. ICSLP, volume 1, pages 485-488, 2002

Noise Compensation using Spectrogram Morphological Filtering

N. W. D. Evans, J. S. Mason, M. J. Roach
Proc. 4th IASTED International Conference on Signal and Image Processing, pages 157-161, 2002

Efficient Real-time Noise Estimation Without Explicit Speech, Non-speech Detection: An Assessment on the AURORA Corpus

N. W. D. Evans, J. S. Mason, B. G. B. Fauve
Proc. Int. Conf. DSP, volume 2, pages 985-988, 2002

LPC-Based, Temporal-Lateral Noise Estimation Evaluated on the AURORA Corpus

N. W. D. Evans, J. S. Mason
Proc. IASTED SPPRA, pages 536-540, 2002

Time-Frequency Quantile-Based Noise Estimation

N. W. D. Evans, J. S. Mason
Proc. EUSIPCO, volume 1, pages 539-542, 2002

Assessment of Speaker Verification Degradation due to Packet Loss in the context of Wireless Mobile Devices

N. W. D. Evans, J. S. Mason, R. Auckenthaler, R. Stapert
Cost 275 Workshop: The Advent of Biometrics on the Internet, 2002

Noise Estimation Without Explicit Speech, Non-speech Detection: a Comparison of Mean, Median and Modal Based Approaches

N. W. D. Evans, J. S. Mason
Proc. Eurospeech, volume 2, pages 893-896, 2001

An Assessment of Non-linear Spectral Subtraction for Remote Speech Recognition

N. W. D. Evans, J. S. Mason
Proc. First Meeting on Speech Technology, Seville, 2000

Further optimisations of constant Q cepstral processing for integrated utterance verification and text-dependent speaker verification

Héctor Delgado, Massimiliano Todisco, Md Sahidullah, Achintya K. Sarkar, Nicholas Evans, Tomi Kinnunen and Zheng-Hua Tan
Research Report RR-16-322, Accepted to the IEEE Workshop on Spoken Language Technology (SLT), December 13-16, 2016, San Juan, Puerto Rico

A new feature for automatic speaker verification anti-spoofing: Constant Q cepstral coefficients

Massimiliano Todisco, Hector Delgado and Nicholas Evans
Research Report RR-16-313

ASVspoof 2015: Automatic speaker verification spoofing and countermeasures challenge evaluation plan

Zhizheng Wu, Tomi Kinnunen, Nicholas Evans and Junichi Yamagishi
Research Report, December 2014

On the vulnerability of automatic speaker recognition to spoofing attacks with artificial signals

Alegre, Federico; Vipperla, Ravichander; Evans, Nicholas W D; Fauve, Benoït
Research Report RR-12-266

Online non-negative convolutive pattern learning for speech signals

Wang, Dong; Vipperla, Ravichander; Evans, Nicholas W D; Zheng, Thomas Fang
Research Report RR-11-261

A cascaded non-linear acoustic echo canceller combining power filtering and clipping compensation

Mossi, Moctar; Yemdji, Christelle; Evans, Nicholas W D; Beaugeant, Christophe
Research Report RR-11-258

Speech overlap detection using convolutive non-negative sparse coding

Vipperla, Ravichander; Wang, Dong; Bozonnet, Simon; Evans, Nicholas W D
Research Report RR-11-257

A comparative study of bottom-up and top-down approaches to speaker diarization

Evans, Nicholas W D; Bozonnet, Simon; Wang, Dong; Fredouille, Corinne; Troncy, Raphaël
Research Report RR-10-243

Acoustic echo cancellation in non-linear and noisy environment

Mossi, Moctar; Yemdji, Christelle; Evans, Nicholas W D; Beaugeant, Christophe
Research report RR-10-240

A multimodal approach to initialisation for top-down speaker diarization of television shows

Bozonnet, Simon; Vallet, Félicien; Evans, Nicholas W D; Essid, Slim; Richard, Gaël; Carrive, Jean
Research Report RR-10-239