Email: ortega@unizar.es
Address: Ada Byron Building, María de Luna 1, 50018, Zaragoza, Spain
Senior Lecturer & Research fellow
ViVoLab, Aragón Institute for Engineering Research (I3A)
University of Zaragoza, Spain
ABOUT ME
Alfonso Ortega is member of the Aragón Institute for Engineering Research in the School of Engineering and Architecture at the University of Zaragoza, Zaragoza (Spain). He was born in Teruel, Spain and received the Telecommunication Engineering and the Ph. D. degrees from the University of Zaragoza in 2000 and 2005, respectively.
His Ph. D. Thesis, advised by Dr. Eduardo Lleida, received the PhD Extraordinary Award and the Telefónica Chair Award to the best technological Ph. D. In 2006 he was visiting scholar in the Center for Robust Speech Systems (CRSS) of the University of Texas at Dallas, UTD, (USA). He has participated in more than 25 research projects funded by national or international public institutions and more than 15 research projects for private companies. He is author of more than 50 papers published in international journals or conference proceedings and several international patents.
He is presently Associate Professor in the Department of Electronic Engineering and Communications at the University of Zaragoza. His research interests span the areas of digital speech processing, speech enhancement, analysis and modeling of speech and speaker traits, automatic speaker verification, and robust automatic speech recognition. research team in speech recognition and signal processing.
PUBLICATIONS
2023
Mingote, Victoria; Miguel, Antonio; Ortega, Alfonso; Lleida, Eduardo
Class token and knowledge distillation for multi-head self-attention speaker verification systems Artículo de revista
En: Digital Signal Processing, vol. 133, pp. 103859, 2023.
@article{nokey,
title = {Class token and knowledge distillation for multi-head self-attention speaker verification systems},
author = {Victoria Mingote and Antonio Miguel and Alfonso Ortega and Eduardo Lleida},
doi = {10.1016/j.dsp.2022.103859},
year = {2023},
date = {2023-03-01},
urldate = {2022-12-01},
journal = {Digital Signal Processing},
volume = {133},
pages = {103859},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
Ribas, Dayana; Miguel, Antonio; Ortega, Alfonso; Lleida, Eduardo
On the Problem of Data Availability in Automatic Voice Disorder Detection. Conferencia
Proceedings of the 16th International Joint Conference on Biomedical Engineering Systems and Technologies (BIOSTEC 2023) – Volume 5: HEALTHINF, 2023, ISBN: 978-989-758-631-6.
@conference{Ribas2023b,
title = {On the Problem of Data Availability in Automatic Voice Disorder Detection.},
author = {Dayana Ribas and Antonio Miguel and Alfonso Ortega and Eduardo Lleida},
isbn = {978-989-758-631-6},
year = {2023},
date = {2023-02-13},
urldate = {2023-02-13},
booktitle = {Proceedings of the 16th International Joint Conference on Biomedical Engineering Systems and Technologies (BIOSTEC 2023) - Volume 5: HEALTHINF},
pages = {330-337},
keywords = {},
pubstate = {published},
tppubtype = {conference}
}
Ribas, Dayana; Pastor, Miguel; Miguel, Antonio; Martínez, David; Ortega, Alfonso; Lleida, Eduardo
Automatic Voice Disorder Detection using Self-Supervised Representations Artículo de revista
En: IEEE Access, vol. 11, pp. 14915-14927, 2023.
@article{Ribas2023,
title = {Automatic Voice Disorder Detection using Self-Supervised Representations},
author = {Dayana Ribas and Miguel Pastor and Antonio Miguel and David Martínez and Alfonso Ortega and Eduardo Lleida},
doi = {10.1109/ACCESS.2023.3243986},
year = {2023},
date = {2023-02-10},
urldate = {2023-02-10},
journal = {IEEE Access},
volume = {11},
pages = {14915-14927},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
2022
Gimeno, Pablo; Ortega, Alfonso; Miguel, Antonio; Lleida, Eduardo
A Study on the Use of wav2vec Representations for Multiclass Audio Segmentation Conferencia
Proceedings of XII Jornadas en Tecnología del Habla and VIII Iberian SLTech (Iberspeech), 2022.
@conference{Gimeno2022b,
title = {A Study on the Use of wav2vec Representations for Multiclass Audio Segmentation},
author = {Pablo Gimeno and Alfonso Ortega and Antonio Miguel and Eduardo Lleida},
doi = {10.21437/IberSPEECH.2022-12},
year = {2022},
date = {2022-11-14},
urldate = {2022-11-14},
booktitle = {Proceedings of XII Jornadas en Tecnología del Habla and VIII Iberian SLTech (Iberspeech)},
pages = {56--60},
keywords = {},
pubstate = {published},
tppubtype = {conference}
}
Pastor, Miguel; Ribas, Dayana; Ortega, Alfonso; Miguel, Antonio; Lleida, Eduardo
Cross-Corpus Speech Emotion Recognition with HuBERT Self-Supervised Representation Conferencia
Proceedings of XII Jornadas en Tecnología del Habla and VIII Iberian SLTech (Iberspeech), 2022.
@conference{Pastor2022,
title = {Cross-Corpus Speech Emotion Recognition with HuBERT Self-Supervised Representation},
author = {Miguel Pastor and Dayana Ribas and Alfonso Ortega and Antonio Miguel and Eduardo Lleida},
doi = {10.21437/IberSPEECH.2022-16},
year = {2022},
date = {2022-11-14},
urldate = {2022-11-14},
booktitle = {Proceedings of XII Jornadas en Tecnología del Habla and VIII Iberian SLTech (Iberspeech)},
pages = {76--80},
keywords = {},
pubstate = {published},
tppubtype = {conference}
}