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Scopus Author ID: : 7004814137
ResearcherID: B-6044-2017

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Universidad de Zaragoza: Zaragoza, Aragón, ES

Researcher (Academic) (Ingeniería Electrónica y de Comunicaciones)
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Universidad de Zaragoza

Instituto Universitario de Investigación en Ingenería de Aragón [I3A] : Zaragoza, Aragón, ES

2009 to present | Researcher (Academic) (Grupo de Tecnologías de las Comunicaciones - Communication Technologies Group)
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Universidad de Zaragoza

Works (50 of 60)

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Page 1 of 2

Automatic Voice Disorder Detection Using Self-Supervised Representations

IEEE Access
2023 | Journal article
DOI: 10.1109/ACCESS.2023.3243986
Contributors: Dayana Ribas; Miguel A. Pastor; Antonio Miguel; David Martinez; Alfonso Ortega; Eduardo Lleida
Source: check_circle
Crossref

Direction of Arrival Estimation of Sound Sources Using Icosahedral CNNs

IEEE/ACM Transactions on Audio, Speech, and Language Processing
2023 | Journal article
DOI: 10.1109/TASLP.2022.3224282
Contributors: David Diaz-Guerra; Antonio Miguel; Jose R. Beltran
Source: check_circle
Crossref

Cross-Corpus Training Strategy for Speech Emotion Recognition Using Self-Supervised Representations

Applied Sciences
2023-08-08 | Journal article
DOI: 10.3390/app13169062
Contributors: Miguel A. Pastor; Dayana Ribas; Alfonso Ortega; Antonio Miguel; Eduardo Lleida
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An Overview of the IberSpeech-RTVE 2022 Challenges on Speech Technologies

Applied Sciences
2023-07-25 | Journal article
DOI: 10.3390/app13158577
Contributors: Eduardo Lleida; Luis Javier Rodriguez-Fuentes; Javier Tejedor; Alfonso Ortega; Antonio Miguel; Virginia Bazán; Carmen Pérez; Alberto de Prada; Mikel Penagarikano; Amparo Varona et al.
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Deep Learning for chaos detection

Chaos: An Interdisciplinary Journal of Nonlinear Science
2023-07-01 | Journal article
DOI: 10.1063/5.0143876
Contributors: Roberto Barrio; Álvaro Lozano; Ana Mayora-Cebollero; Carmen Mayora-Cebollero; Antonio Miguel; Alfonso Ortega; Sergio Serrano; Rubén Vigara
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Crossref

aDCF Loss Function for Deep Metric Learning in End-to-End Text-Dependent Speaker Verification Systems

IEEE/ACM Transactions on Audio, Speech, and Language Processing
2022 | Journal article
DOI: 10.1109/TASLP.2022.3145307
Contributors: Victoria Mingote; Antonio Miguel; Dayana Ribas; Alfonso Ortega; Eduardo Lleida
Source: check_circle
Crossref

Wiener Filter and Deep Neural Networks: A Well-Balanced Pair for Speech Enhancement

Applied Sciences
2022-09-07 | Journal article
DOI: 10.3390/app12189000
Contributors: Dayana Ribas; Antonio Miguel; Alfonso Ortega; Eduardo Lleida
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grade
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Unsupervised Adaptation of Deep Speech Activity Detection Models to Unseen Domains

Applied Sciences
2022-02-10 | Journal article
DOI: 10.3390/app12041832
Contributors: Pablo Gimeno; Dayana Ribas; Alfonso Ortega; Antonio Miguel; Eduardo Lleida
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grade
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Multimodal Diarization Systems by Training Enrollment Models as Identity Representations

Applied Sciences
2022-01-21 | Journal article
DOI: 10.3390/app12031141
Contributors: Victoria Mingote; Ignacio Viñals; Pablo Gimeno; Antonio Miguel; Alfonso Ortega; Eduardo Lleida
Source: check_circle
Crossref

The Domain Mismatch Problem in the Broadcast Speaker Attribution Task

Applied Sciences
2021-09-14 | Journal article
DOI: 10.3390/app11188521
Contributors: Ignacio Viñals; Alfonso Ortega; Antonio Miguel; Eduardo Lleida
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Crossref
grade
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Albayzin 2018 Evaluation: The IberSpeech-RTVE Challenge on Speech Technologies for Spanish Broadcast Media

Applied Sciences
2019-12-11 | Journal article
DOI: 10.3390/app9245412
Contributors: Eduardo Lleida; Alfonso Ortega; Antonio Miguel; Virginia Bazán-Gil; Carmen Pérez; Manuel Gómez; Alberto de Prada
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Analysis of speech quality measures for the task of estimating the reliability of speaker verification decisions

Speech Communication
2016 | Journal article
DOI: 10.1016/j.specom.2016.01.005
WOSUID:

WOS:000373419300005
Contributors: Villalba, J.; Ortega, A.; Miguel, A.; Lleida, E.
Source: Self-asserted source
0000-0001-5803-4316 via ResearcherID

Bayesian Networks to Model the Variability of Speaker Verification Scores in Adverse Environments

Ieee-Acm Transactions on Audio Speech and Language Processing
2016 | Journal article
DOI: 10.1109/taslp.2016.2607343
WOSUID:

WOS:000388199000010
Contributors: Villalba, J.; Miguel, A.; Ortega, A.; Lleida, E.
Source: Self-asserted source
0000-0001-5803-4316 via ResearcherID

Spoken term detection ALBAYZIN 2014 evaluation: overview, systems, results, and discussion

Eurasip Journal on Audio Speech and Music Processing
2015 | Journal article
DOI: 10.1186/s13636-015-0063-8
WOSUID:

WOS:000359255200001
Contributors: Tejedor, J.; Toledano, D. T.; Lopez-Otero, P.; Docio-Fernandez, L.; Garcia-Mateo, C.; Cardenal, A.; Echeverry-Correa, J. D.; Coucheiro-Limeres, A.; Olcoz, J.; Miguel, A.
Source: Self-asserted source
0000-0001-5803-4316 via ResearcherID

Spoofing Detection with DNN and One-class SVM for the ASVspoof 2015 Challenge

16th Annual Conference of the International Speech Communication Association
2015 | Book
WOSUID:

WOS:000380581600432
Contributors: Villalba, J.; Miguel, A.; Ortega, A.; Lleida, E.; Isca-Int Speech Commun, Assoc
Source: Self-asserted source
0000-0001-5803-4316 via ResearcherID

VARIATIONAL BAYESIAN PLDA FOR SPEAKER DIARIZATION IN THE MGB CHALLENGE

2015 Ieee Workshop on Automatic Speech Recognition and Understanding (Asru)
2015 | Journal article
WOSUID:

WOS:000380604800095
Contributors: Villalba, J.; Ortega, A.; Miguel, A.; Lleida, E.; Ieee,
Source: Self-asserted source
0000-0001-5803-4316 via ResearcherID

A Preliminary Study of Acoustic Events Classification with Factor Analysis in Meeting Rooms

Advances in Speech and Language Technologies for Iberian Languages, Iberspeech 2014
2014 | Book chapter
WOSUID:

WOS:000360168400022
Contributors: Castan, D.; Ortega, A.; Miguel, A.; Lleida, E.
Source: Self-asserted source
0000-0001-5803-4316 via ResearcherID

Articulatory Feature Extraction from Voice and Their Impact on Hybrid Acoustic Models

Advances in Speech and Language Technologies for Iberian Languages, Iberspeech 2014
2014 | Book chapter
WOSUID:

WOS:000360168400015
Contributors: Llombart, J.; Miguel, A.; Lleida, E.
Source: Self-asserted source
0000-0001-5803-4316 via ResearcherID

Audio segmentation-by-classification approach based on factor analysis in broadcast news domain

Eurasip Journal on Audio Speech and Music Processing
2014 | Journal article
DOI: 10.1186/s13636-014-0034-5
WOSUID:

WOS:000341884700001
Contributors: Castan, D.; Ortega, A.; Miguel, A.; Lleida, E.
Source: Self-asserted source
0000-0001-5803-4316 via ResearcherID

Confidence Measures in Automatic Speech Recognition Systems for Error Detection in Restricted Domains

Advances in Speech and Language Technologies for Iberian Languages, Iberspeech 2014
2014 | Book chapter
WOSUID:

WOS:000360168400018
Contributors: Olcoz, J.; Ortega, A.; Miguel, A.; Lleida, E.
Source: Self-asserted source
0000-0001-5803-4316 via ResearcherID

Low bit rate compression methods of feature vectors for distributed speech recognition

Speech Communication
2014 | Journal article
DOI: 10.1016/j.specom.2013.11.007
WOSUID:

WOS:000329956000009
Contributors: Garcia, J. E.; Ortega, A.; Miguel, A.; Lleida, E.
Source: Self-asserted source
0000-0001-5803-4316 via ResearcherID

Improving Language Models in Speech-Based Human-Machine Interaction

International Journal of Advanced Robotic Systems
2013 | Journal article
DOI: 10.5772/55407
WOSUID:

WOS:000316462100002
Contributors: Justo, R.; Saz, O.; Miguel, A.; Torres, M. I.; Lleida, E.
Source: Self-asserted source
0000-0001-5803-4316 via ResearcherID

PROSODIC FEATURES AND FORMANT MODELING FOR AN IVECTOR-BASED LANGUAGE RECOGNITION SYSTEM

2013 Ieee International Conference on Acoustics, Speech and Signal Processing
2013 | Book chapter
WOSUID:

WOS:000329611507001
Contributors: Martinez, D.; Lleida, E.; Ortega, A.; Miguel, A.; Ieee,
Source: Self-asserted source
0000-0001-5803-4316 via ResearcherID

Quality Assessment for Speaker Diarization and Its Application in Speaker Characterization

Ieee Transactions on Audio Speech and Language Processing
2013 | Journal article
DOI: 10.1109/tasl.2012.2236317
WOSUID:

WOS:000314019700007
Contributors: Vaquero, C.; Ortega, A.; Miguel, A.; Lleida, E.
Source: Self-asserted source
0000-0001-5803-4316 via ResearcherID

Query-by-Example Spoken Term Detection ALBAYZIN 2012 evaluation: overview, systems, results, and discussion

Eurasip Journal on Audio Speech and Music Processing
2013 | Journal article
DOI: 10.1186/1687-4722-2013-23
WOSUID:

WOS:000325033900001
Contributors: Tejedor, J.; Toledano, D. T.; Anguera, X.; Varona, A.; Hurtado, L. F.; Miguel, A.; Colas, J.
Source: Self-asserted source
0000-0001-5803-4316 via ResearcherID

SEGMENTATION-BY-CLASSIFICATION SYSTEM BASED ON FACTOR ANALYSIS

2013 Ieee International Conference on Acoustics, Speech and Signal Processing
2013 | Book chapter
WOSUID:

WOS:000329611500159
Contributors: Castan, D.; Ortega, A.; Villalba, J.; Miguel, A.; Lleida, E.; Ieee,
Source: Self-asserted source
0000-0001-5803-4316 via ResearcherID

Evaluation of a New Beam-Search Formant Tracking Algorithm in Noisy Environments

Advances in Speech and Language Technologies for Iberian Languages
2012 | Book chapter
WOSUID:

WOS:000316029900005
Contributors: Gonzalez, D. R.; Lainez, J. E. G.; Miguel, A.; Gimenez, A. O.; Lleida, E.; de Lara, J. R. C.
Source: Self-asserted source
0000-0001-5803-4316 via ResearcherID

Reliability Estimation of the Speaker Verification Decisions Using Bayesian Networks to Combine Information from Multiple Speech Quality Measures

Advances in Speech and Language Technologies for Iberian Languages
2012 | Book chapter
WOSUID:

WOS:000316029900001
Contributors: Villalba, J.; Lleida, E.; Ortega, A.; Miguel, A.
Source: Self-asserted source
0000-0001-5803-4316 via ResearcherID

Score Level versus Audio Level Fusion for Voice Pathology Detection on the Saarbrucken Voice Database

Advances in Speech and Language Technologies for Iberian Languages
2012 | Book chapter
WOSUID:

WOS:000316029900012
Contributors: Martinez, D.; Lleida, E.; Ortega, A.; Miguel, A.
Source: Self-asserted source
0000-0001-5803-4316 via ResearcherID

Voice Pathology Detection on the Saarbrucken Voice Database with Calibration and Fusion of Scores Using MultiFocal Toolkit

Advances in Speech and Language Technologies for Iberian Languages
2012 | Book chapter
WOSUID:

WOS:000316029900011
Contributors: Martinez, D.; Lleida, E.; Ortega, A.; Miguel, A.; Villalba, J.
Source: Self-asserted source
0000-0001-5803-4316 via ResearcherID

Bayesian Networks for Discrete Observation Distributions in Speech Recognition

Ieee Transactions on Audio Speech and Language Processing
2011 | Journal article
DOI: 10.1109/tasl.2010.2092764
WOSUID:

WOS:000293702300003
Contributors: Miguel, A.; Ortega, A.; Buera, L.; Lleida, E.
Source: Self-asserted source
0000-0001-5803-4316 via ResearcherID

I3A Language Recognition System for Albayzin 2010 LRE

12th Annual Conference of the International Speech Communication Association 2011
2011 | Book
WOSUID:

WOS:000316502200216
Contributors: Martinez, D.; Villalba, J.; Miguel, A.; Ortega, A.; Lleida, E.; Int Speech Commun, Assoc
Source: Self-asserted source
0000-0001-5803-4316 via ResearcherID

Confidence Measures for Speaker Segmentation and their Relation to Speaker Verification

11th Annual Conference of the International Speech Communication Association 2010
2010 | Book
WOSUID:

WOS:000313086500190
Contributors: Vaquero, C.; Ortega, A.; Villalba, J.; Miguel, A.; Lleida, E.; Inst Speech Commun, Assoc
Source: Self-asserted source
0000-0001-5803-4316 via ResearcherID

Non-Linear Predictive Vector Quantization of Feature Vectors for Distributed Speech Recognition

11th Annual Conference of the International Speech Communication Association 2010
2010 | Book
WOSUID:

WOS:000313086500207
Contributors: Garcia, J. E.; Ortega, A.; Miguel, A.; Lleida, E.; Inst Speech Commun, Assoc
Source: Self-asserted source
0000-0001-5803-4316 via ResearcherID

Unsupervised Data-Driven Feature Vector Normalization With Acoustic Model Adaptation for Robust Speech Recognition

Ieee Transactions on Audio Speech and Language Processing
2010 | Journal article
DOI: 10.1109/tasl.2009.2026441
WOSUID:

WOS:000271967900003
Contributors: Buera, L.; Miguel, A.; Saz, O.; Ortega, A.; Lleida, E.
Source: Self-asserted source
0000-0001-5803-4316 via ResearcherID

Combination of Acoustic and Lexical Speaker Adaptation for Disordered Speech Recognition

Interspeech 2009: 10th Annual Conference of the International Speech Communication Association 2009, Vols 1-5
2009 | Book
WOSUID:

WOS:000276842800133
Contributors: Saz, O.; Lleida, E.; Miguel, A.; Isca-Inst Speech Commun, Assoc
Source: Self-asserted source
0000-0001-5803-4316 via ResearcherID

Cross-Probability Model Based on Gmm for Feature Vector Normalization

In-Vehicle Corpus and Signal Processing for Driver Behavior
2009 | Book
DOI: 10.1007/978-0-387-79582-9_14
WOSUID:

WOS:000262362600014
Contributors: Buera, L.; Miguel, A.; Lleida, E.; Ortega, A.; Saz, O.
Source: Self-asserted source
0000-0001-5803-4316 via ResearcherID

Differential Vector Quantization of Feature Vectors for Distributed Speech Recognition

Interspeech 2009: 10th Annual Conference of the International Speech Communication Association 2009, Vols 1-5
2009 | Book
WOSUID:

WOS:000276842801186
Contributors: Garcia, J. E.; Ortega, A.; Miguel, A.; Lleida, E.; Isca-Inst Speech Commun, Assoc
Source: Self-asserted source
0000-0001-5803-4316 via ResearcherID

Graphical Models for Discrete Hidden Markov Models in Speech Recognition

Interspeech 2009: 10th Annual Conference of the International Speech Communication Association 2009, Vols 1-5
2009 | Book
WOSUID:

WOS:000276842800345
Contributors: Miguel, A.; Ortega, A.; Buera, L.; Lleida, E.; Isca-Inst Speech Commun, Assoc
Source: Self-asserted source
0000-0001-5803-4316 via ResearcherID

Local Projections and Support Vector Based Feature Selection in Speech Recognition

Interspeech 2009: 10th Annual Conference of the International Speech Communication Association 2009, Vols 1-5
2009 | Book
WOSUID:

WOS:000276842800010
Contributors: Miguel, A.; Ortega, A.; Buera, L.; Lleida, E.; Isca-Inst Speech Commun, Assoc
Source: Self-asserted source
0000-0001-5803-4316 via ResearcherID

Real-Time Live Broadcast News Subtitling System for Spanish

Interspeech 2009: 10th Annual Conference of the International Speech Communication Association 2009, Vols 1-5
2009 | Book
WOSUID:

WOS:000276842801061
Contributors: Ortega, A.; Garcia, J. E.; Miguel, A.; Lleida, E.; Isca-Inst Speech Commun, Assoc
Source: Self-asserted source
0000-0001-5803-4316 via ResearcherID

Unsupervised Training Scheme with Non-Stereo Data for Empirical Feature Vector Compensation

Interspeech 2009: 10th Annual Conference of the International Speech Communication Association 2009, Vols 1-5
2009 | Book
WOSUID:

WOS:000276842800312
Contributors: Buera, L.; Miguel, A.; Ortega, A.; Lleida, E.; Stern, R. M.; Isca-Inst Speech Commun, Assoc
Source: Self-asserted source
0000-0001-5803-4316 via ResearcherID

Capturing local variability for speaker normalization in speech recognition

Ieee Transactions on Audio Speech and Language Processing
2008 | Journal article
DOI: 10.1109/fasl.2007.914114
WOSUID:

WOS:000253225200009
Contributors: Miguel, A.; Lleida, E.; Rose, R.; Buera, L.; Saz, O.; Ortega, A.
Source: Self-asserted source
0000-0001-5803-4316 via ResearcherID

Feature Vector Normalization with Combined Standard and Throat Microphones for Robust ASR

Interspeech 2008: 9th Annual Conference of the International Speech Communication Association 2008, Vols 1-5
2008 | Book
WOSUID:

WOS:000277026100349
Contributors: Buera, L.; Miguel, A.; Saz, O.; Ortega, A.; Lleida, E.; Isca-Inst Speech Communication, Assoc
Source: Self-asserted source
0000-0001-5803-4316 via ResearcherID

Improving robustness in frequency warping-based speaker normalization

Ieee Signal Processing Letters
2008 | Journal article
DOI: 10.1109/lsp.2007.91313
WOSUID:

WOS:000258585600059
Contributors: Rose, R. C.; Miguel, A.; Keyvani, A.
Source: Self-asserted source
0000-0001-5803-4316 via ResearcherID

Acoustic echo reduction in a two-channel speech reinforcement system for vehicles

Advances for In-Vehicle and Mobile Systems: Challenges for International Standards
2007 | Book
DOI: 10.1007/978-0-387-45976-9_15
WOSUID:

WOS:000246397900015
Contributors: Ortega, A.; Lleida, E.; Masgrau, E.; Buera, L.; Miguel, A.
Source: Self-asserted source
0000-0001-5803-4316 via ResearcherID

Cepstral vector normalization based on stereo data for robust speech recognition

Ieee Transactions on Audio Speech and Language Processing
2007 | Journal article
DOI: 10.1109/tasl.2006.885244
WOSUID:

WOS:000244318600033
Contributors: Buera, L.; Lleida, E.; Miguel, A.; Ortega, A.; Saz, O.
Source: Self-asserted source
0000-0001-5803-4316 via ResearcherID

Evaluation of the Combined Use of MEMLIN and MLLR on the Non-native Adaptation Task of Hiwire Project Database

Interspeech 2007: 8th Annual Conference of the International Speech Communication Association, Vols 1-4
2007 | Book
WOSUID:

WOS:000269998601120
Contributors: Buera, L.; Miguel, A.; Saz, O.; Lleida, E.; Ortega, A.; Isca,
Source: Self-asserted source
0000-0001-5803-4316 via ResearcherID

On the Jointly Unsupervised Feature Vector Normalization and Acoustic Model Compensation for Robust Speech Recognition

Interspeech 2007: 8th Annual Conference of the International Speech Communication Association, Vols 1-4
2007 | Book
WOSUID:

WOS:000269998600346
Contributors: Buera, L.; Miguel, A.; Lleida, E.; Saz, O.; Ortega, A.; Isca,
Source: Self-asserted source
0000-0001-5803-4316 via ResearcherID

On-line feature and acoustic model space compensation for robust speech recognition in car environment

2007 Ieee Intelligent Vehicles Symposium, Vols 1-3
2007 | Book
WOSUID:

WOS:000252173600087
Contributors: Miguel, A.; Buera, L.; Lleida, E.; Ortega, A.; Saz, O.; Ieee,
Source: Self-asserted source
0000-0001-5803-4316 via ResearcherID
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