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    • SETHOS: the UPC speech understanding system 

      Bonafonte Cávez, Antonio; Mariño Acebal, José Bernardo; Nogueiras Rodríguez, Albino (H. TIMOTHY BRUMMELL, WILLIAM IDSARDI CITATION DELAWARE, NEW CASTLE, DELAWARE, 1996)
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      Accés restringit per política de l'editorial
      In EuroSpeech'95, the authors presented the first version of Sethos, the speech understanding system which has been developed at the UPC. In this paper some improvements are incorporated at different levels of Sethos: ...

    • Speech emotion recognition using hidden Markov models 

      Nogueiras Rodríguez, Albino; Mariño Acebal, José Bernardo; Bonafonte Cávez, Antonio; Moreno Bilbao, M. Asunción (2001)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      This paper introduces a first approach to emotion recognition using RAMSES, the UPC’s speech recognition system. The approach is based on standard speech recognition technology using hidden semi-continuous Markov models. ...

    • Task adaptation of sub-lexical unit models using the minimum confusibility criterion on task independent databases 

      Nogueiras Rodríguez, Albino; Mariño Acebal, José Bernardo (Robert H. Mannel and Jordi Robert-Ribes, 1998)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      Discriminative training is a powerful tool in acoustic modeling for automatic speech recognition. Its strength is based on the direct minimisation of the number of errors committed by the system at recognition time. This ...

    • Task independent minimum confusability training for continuous speech recognition 

      Nogueiras Rodríguez, Albino; Mariño Acebal, José Bernardo (1998)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      In this paper, a task independent discriminative training framework for subword units based continuous speech recognition is presented. Instead of aiming at the optimisation of any task independent figure, say the phone ...

    • The demiphone: An efficient contextual subword unit for continuous speech recognition 

      Mariño Acebal, José Bernardo; Nogueiras Rodríguez, Albino; Pachès Leal, Pau; Bonafonte Cávez, Antonio (2000-09)
      Article
      Accés restringit per política de l'editorial
      In this paper, we introduce the demiphone as a context-dependent phonetic unit for continuous speech recognition. A phoneme is divided into two parts: a left demiphone that accounts for the left coarticulation and a right ...

    • The demiphone:an efficient subword unit for Continuous Speech Recognition 

      Mariño Acebal, José Bernardo; Nogueiras Rodríguez, Albino; Bonafonte Cávez, Antonio (Editors: G. Kokkinakis, N. Fakotakis, E. Dermatas; Editorial: WCL, University of Patras, Grece, 1997)
      Text en actes de congrés
      Accés obert
      In this paper we introduce the demiphone as a contextual phonetic unit for continuous speech recognition. A phone is divided into two parts: a left demiphone that accounts for the left side coarticulation and a right ...