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Alfonso Ortega
Alfonso Ortega
Universidad de Zaragoza, Instituto de Investigación en Ingeniería de Aragón (I3A)
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Voice pathology detection on the Saarbrücken voice database with calibration and fusion of scores using multifocal toolkit
D Martínez, E Lleida, A Ortega, A Miguel, J Villalba
Advances in Speech and Language Technologies for Iberian Languages …, 2012
1122012
An adaptive digital method of imbalances cancellation in LINC transmitters
P García, J de Mingo, A Valdovinos, A Ortega
IEEE Transactions on Vehicular Technology 54 (3), 879-888, 2005
942005
Spoofing detection with DNN and one-class SVM for the ASVspoof 2015 challenge
J Villalba, A Miguel, A Ortega, E Lleida
Sixteenth annual conference of the international speech communication …, 2015
872015
AV@ CAR: A Spanish Multichannel Multimodal Corpus for In-Vehicle Automatic Audio-Visual Speech Recognition.
A Ortega, F Sukno, E Lleida, AF Frangi, A Miguel, L Buera, E Zacur
LREC, 2004
632004
Nonlinear distortion cancellation using LINC transmitters in OFDM systems
P García, A Ortega, J de Mingo, A Valdovinos
IEEE Transactions on Broadcasting 51 (1), 84-93, 2005
532005
Albayzin 2018 evaluation: the iberspeech-rtve challenge on speech technologies for spanish broadcast media
E Lleida, A Ortega, A Miguel, V Bazán-Gil, C Pérez, M Gómez, ...
Applied sciences 9 (24), 5412, 2019
512019
Intelligibility assessment and speech recognizer word accuracy rate prediction for dysarthric speakers in a factor analysis subspace
D Martínez, E Lleida, P Green, H Christensen, A Ortega, A Miguel
ACM Transactions on Accessible Computing (TACCESS) 6 (3), 1-21, 2015
512015
Cepstral vector normalization based on stereo data for robust speech recognition
L Buera, E Lleida, A Miguel, A Ortega, Ó Saz
IEEE transactions on audio, speech, and language processing 15 (3), 1098-1113, 2007
512007
Anti-spoofing
AO Giménez, LB Rodriguez, CV Avilés-Casco
US Patent 9,767,806, 2017
482017
Method for verifying the identity of a speaker and related computer readable medium and computer
LB Rodriguez, MG Gomar, MS Asenjo, A Gutierrez, CV Aviles-Casco, ...
US Patent App. 14/589,969, 2015
442015
Speech reinforcement system for car cabin communications
A Ortega, E Lleida, E Masgrau
IEEE Transactions on Speech and Audio Processing 13 (5), 917-929, 2005
432005
Prosodic features and formant modeling for an ivector-based language recognition system
D Martinez, E Lleida, A Ortega, A Miguel
2013 ieee international conference on acoustics, speech and signal …, 2013
392013
Multiclass audio segmentation based on recurrent neural networks for broadcast domain data
P Gimeno, I Viñals, A Ortega, A Miguel, E Lleida
EURASIP Journal on Audio, Speech, and Music Processing 2020, 1-19, 2020
362020
Method and system for suppressing echoes and noises in environments under variable acoustic and highly feedback conditions
FG Hugas, EL Solano, EM Gomez, AO Gimenez
US Patent 7,068,798, 2006
352006
Optimization of the area under the ROC curve using neural network supervectors for text-dependent speaker verification
V Mingote, A Miguel, A Ortega, E Lleida
Computer Speech & Language 63, 101078, 2020
342020
Estimation of the Number of Speakers with Variational Bayesian PLDA in the DIHARD Diarization Challenge.
I Viñals, P Gimeno, A Ortega, A Miguel, E Lleida
Interspeech, 2803-2807, 2018
322018
Audio segmentation-by-classification approach based on factor analysis in broadcast news domain
D Castán, A Ortega, A Miguel, E Lleida
EURASIP Journal on Audio, Speech, and Music Processing 2014 (1), 1-13, 2014
322014
Audio and text synchronization for TV news subtitling based on automatic speech recognition
JE Garcia, A Ortega, E Lleida, T Lozano, E Bernues, D Sanchez
2009 IEEE International Symposium on Broadband Multimedia Systems and …, 2009
302009
Albayzín-2014 evaluation: audio segmentation and classification in broadcast news domains
D Castán, D Tavarez, P Lopez-Otero, J Franco-Pedroso, H Delgado, ...
EURASIP Journal on Audio, Speech, and Music Processing 2015 (1), 1-9, 2015
282015
Unsupervised data-driven feature vector normalization with acoustic model adaptation for robust speech recognition
L Buera, A Miguel, Ó Saz, A Ortega, E Lleida
IEEE transactions on audio, speech, and language processing 18 (2), 296-309, 2009
282009
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Artículos 1–20