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
2021
Mingote, Victoria; Miguel, Antonio; Ortega, Alfonso; Lleida, Eduardo
Log-Likelihood-Ratio Cost Function as Objective Loss for Speaker Verification Systems Conferencia
Proceedings of the Annual Conference of the International Speech Communication Association (INTERSPEECH), vol. 2021-September, 2021.
@conference{Mingote2021_cllr,
title = {Log-Likelihood-Ratio Cost Function as Objective Loss for Speaker Verification Systems},
author = {Victoria Mingote and Antonio Miguel and Alfonso Ortega and Eduardo Lleida},
doi = {10.21437/Interspeech.2021-1085},
year = {2021},
date = {2021-09-01},
booktitle = {Proceedings of the Annual Conference of the International Speech Communication Association (INTERSPEECH)},
volume = {2021-September},
keywords = {},
pubstate = {published},
tppubtype = {conference}
}
Gimeno, Pablo; Mingote, Victoria; Ortega, Alfonso; Miguel, Antonio; Lleida, Eduardo
Generalising AUC Optimisation to Multiclass Classification for Audio Segmentation with Limited Training Data Artículo de revista
En: IEEE Signal Processing Letters, vol. 28, pp. 1135-1139, 2021.
@article{Gimeno2021auc,
title = {Generalising AUC Optimisation to Multiclass Classification for Audio Segmentation with Limited Training Data},
author = {Pablo Gimeno and Victoria Mingote and Alfonso Ortega and Antonio Miguel and Eduardo Lleida},
doi = {10.1109/LSP.2021.3084501},
year = {2021},
date = {2021-05-27},
journal = {IEEE Signal Processing Letters},
volume = {28},
pages = {1135-1139},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
Gimeno, Pablo; Ribas, Dayana; Ortega, Alfonso; Miguel, Antonio; Lleida, Eduardo
Proceedings of XI Jornadas en Tecnología del Habla and VII Iberian SLTech (Iberspeech), vol. 2021-March, 2021.
@conference{Gimeno2021sad,
title = {Convolutional Recurrent Neural Networks for Speech Activity Detection in Naturalistic Audio from Apollo Missions},
author = {Pablo Gimeno and Dayana Ribas and Alfonso Ortega and Antonio Miguel and Eduardo Lleida},
doi = {10.21437/IberSPEECH.2021-6},
year = {2021},
date = {2021-03-25},
booktitle = {Proceedings of XI Jornadas en Tecnología del Habla and VII Iberian SLTech (Iberspeech)},
volume = {2021-March},
pages = {26--30},
keywords = {},
pubstate = {published},
tppubtype = {conference}
}
Mingote, Victoria; Viñals, Ignacio; Gimeno, Pablo; Miguel, Antonio; Ortega, Alfonso; Lleida, Eduardo
ViVoLAB Multimodal Diarization System for RTVE 2020 Challenge Conferencia
Proceedings of XI Jornadas en Tecnología del Habla and VII Iberian SLTech (Iberspeech), vol. 2021-March, 2021.
@conference{Mingote2021multimodal,
title = {ViVoLAB Multimodal Diarization System for RTVE 2020 Challenge},
author = {Victoria Mingote and Ignacio Viñals and Pablo Gimeno and Antonio Miguel and Alfonso Ortega and Eduardo Lleida},
doi = {10.21437/IberSPEECH.2021-16},
year = {2021},
date = {2021-03-24},
booktitle = {Proceedings of XI Jornadas en Tecnología del Habla and VII Iberian SLTech (Iberspeech)},
volume = {2021-March},
pages = {76--80},
keywords = {},
pubstate = {published},
tppubtype = {conference}
}
Viñals, Ignacio; Gimeno, Pablo; Ortega, Alfonso; Miguel, Antonio; Lleida, Eduardo
Diarization and Identity Attribution Compatibility in the Albayzin 2020 Challenge Conferencia
Proceedings of XI Jornadas en Tecnología del Habla and VII Iberian SLTech (Iberspeech), vol. 2021-March, 2021.
@conference{Viñals2021albayzin,
title = {Diarization and Identity Attribution Compatibility in the Albayzin 2020 Challenge},
author = {Ignacio Viñals and Pablo Gimeno and Alfonso Ortega and Antonio Miguel and Eduardo Lleida},
doi = {10.21437/IberSPEECH.2021-20},
year = {2021},
date = {2021-03-24},
booktitle = {Proceedings of XI Jornadas en Tecnología del Habla and VII Iberian SLTech (Iberspeech)},
journal = {Proceedings of XI Jornadas en Tecnología del Habla and VII Iberian SLTech (Iberspeech)},
volume = {2021-March},
pages = {94--98},
keywords = {},
pubstate = {published},
tppubtype = {conference}
}