Browsing Comunicaciones by Author "Saratxaga, Ibon"

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      LSTM based voice conversion for laryngectomees 

      Serrano García, Luis; Tavarez Arriba, David; Sarasola, Xabier; Raman, Sneha; Saratxaga Couceiro, Ibon ORCID; Navas Cordón, Eva ORCID; Hernáez Rioja, Inmaculada ORCID (International Speech Communication Association, 2018-11-23)
      This paper describes a voice conversion system designed withthe aim of improving the intelligibility and pleasantness of oe-sophageal voices. Two different systems have been built, oneto transform the spectral magnitude ...
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      Synthetic speech detection using phase information 

      Saratxaga Couceiro, Ibon ORCID; Sánchez de la Fuente, Jon ORCID; Wu, Zhizheng; Hernáez Rioja, Inmaculada ORCID; Navas Cordón, Eva ORCID (Elsevier B.V., 2016-04-16)
      Taking advantage of the fact that most of the speech processing techniques neglect the phase information, we seek to detect phase perturbations in order to prevent synthetic impostors attacking Speaker Verification systems. ...
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      Use of the harmonic phase in synthetic speech detection 

      Sánchez de la Fuente, Jon ORCID (INESC-ID, 2016-11-23)
      This PhD dissertation was written by Jon Sanchez and supervised by Inma Hernáez and Ibon Saratxaga. It was defended at the University of the Basque Country the 5th of February 2016. The committee members were Dr. Alfonso ...