Exploració per autor "Zelenak, Martin"

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    • Albayzin 2010 Evaluation campaign: speaker diarization 

      Zelenak, Martin; Schulz, Henrik; Hernando Pericás, Francisco Javier (2010)
      Comunicació de congrés
      Accés obert
      In this paper we present the evaluation results for the task of speaker diarization in broadcast news domain as part of the Albayzin 2010 evaluation campaign of language and speech technologies. The evaluation data was ...

    • Detection and handling of overlapping speech for speaker diarization 

      Zelenak, Martin; Hernando Pericás, Francisco Javier (2012)
      Text en actes de congrés
      Accés obert
      This thesis concerns the detection of overlapping speech segments and its further application for the improvement of speaker diarization performance. We propose the use of three spatial cross-correlation-based parameters ...

    • Overlap detection for speaker diarization by fusing spectral and spatial features 

      Zelenak, Martin; Segura Perales, Carlos; Hernando Pericás, Francisco Javier (2010)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      A substantial portion of errors of the conventional speaker diarization systems on meeting data can be accounted to overlapped speech. This paper proposes the use of several spatial features to improve speech overlap ...

    • Simultaneous speech detection with spatial features for speaker diarization 

      Zelenak, Martin; Segura Perales, Carlos; Luque, Jordi; Hernando Pericás, Francisco Javier (2012-02)
      Article
      Accés restringit per política de l'editorial
      Simultaneous speech poses a challenging problem for conventional speaker diarization systems. In meeting data, a substantial amount of missed speech error is due to speaker overlaps, since usually only one speaker label ...

    • Speaker diarization of broadcast news in Albayzin 2010 Evaluation Campaign 

      Zelenak, Martin; Schulz, Henrik; Hernando Pericás, Francisco Javier (2012-07-31)
      Article
      Accés obert
      In this article, we present the evaluation results for the task of speaker diarization of broadcast news, which was part of the Albayzin 2010 evaluation campaign of language and speech technologies. The evaluation data ...

    • The detection of overlapping speech with prosodic features for speaker diarization 

      Zelenak, Martin; Hernando Pericás, Francisco Javier (2011)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      Overlapping speech is responsible for a certain amount of errors produced by tandard speaker diarization systems in meeting environment. We are investigating a set of prosody-based long-term features as a potential ...