Short Bio

Alfonso Ortega is a Telecommunication Engineer and obtained his Ph. D. degree in 2005 ...


List of Publications: Journal Papers, International and National Conferences, Book Chapters, ...


Graduate and Undergraduate Courses, Final Degree Projects, ...

Contact Information

Contact info: e-mail address, phone number, postal address, ...

Recent News & Updates

    Next September 23rd, Prof. Lukáš Burget from Brno University of Technology, BUT (Czech Republic) will visit VIVOLAB and give a talk entitled: "Deep Neural Networks in Speaker Recognition: Another Quantum Leap in the Field?" .
    On September 22nd at 12:00, David Martinez will defend his Ph.D. Thesis: Subspace Gaussian Mixture Models for Language Identification and Dysartric Speech Intelligibility Assesment.
    On February 28th, The Seminar on Adapting Communications Tools for People with Special Needs will take place in Zaragoza. From 9:00 to 14:00 and from 16:30 to 19:00 in Fundacion CAI-ASC, Centro Joaquín Roncal, San Braulio 5-7. For more information visit: Iris Interaction Zaragoza Seminar . Web streaming will be available: Seminar Video Streaming
    On December 17th at 12:00 , Diego Castan will defend his Ph.D. Thesis: Advances on Audio Segmentation and Audio Content Description for Multimedia Documents.
    On November 27th at 11:00 , Jesus Villalba will defend his Ph.D. Thesis: Advances on Speaker Recognition in non Collaborative Environments.
    Next June 5th at 10:00 AM, Ada Byron Building (Class A.04) Prof. Michela Goffredo from Biomedical Engineering Laboratory BioLab3, Roma Tre University, will visit VIVOLAB and give a talk entitled: "The Markerless Human Motion Analysis in Bioegineering, Biometrics and NUI"
    On May 29th at 12:00 , Leibny Paola García will defend her Ph.D. Thesis: Discriminative Methods for model optimization in Speaker Verification. Salón de Actos, Ada Byron Buiding. Campus Río Ebro. Zaragoza.

Who We Are

Vivolab Research Group

ViVoLab, Voice Input Voice Output Laboratory belongs to the Aragon Institute for Engineering Research (I3A), being an active Lab inside the Information and Communication Technologies section of the Institute.

What We Do

ViVoLab is a research laboratory on Speech Technologies. The primary goal of the lab is to become a national and international reference in the area of speech description on adverse acoustic enviroments, which includes among others:

  • Audio Segmentation
  • Speech Enhancement
  • Acoustic Modeling
  • Speaker Recognition and Identification
  • Speech Recognition
  • Real-Time Live Broadcast News Subtitling
  • Tools for Computer-Aided Speech Therapy in Spanish Language