Listar Comunicaciones por autor "Sanchez, Jon"

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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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      The observation likelihood of silence: analysis and prospects for VAD applications 

      Odriozola Sustaeta, Igor; Hernáez Rioja, Inmaculada ORCID; Navas Cordón, Eva ORCID; Serrano García, Luis; Sánchez de la Fuente, Jon ORCID (International Speech Communication Association, 2018-11-23)
      This paper shows a research on the behaviour of the observa-tion likelihoods generated by the central state of asilenceHMM(Hidden Markov Model) trained for Automatic Speech Recog-nition (ASR) using cepstral mean and variance ...
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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 ...