Spanish Phoneme Classification by Means of a Hierarchy of Kohonen Self-Organizing Maps

  • Authors:

  • A. Postigo Gardón;C. Ruiz Vázquez;A. Arruti Illarramendi

  • Affiliations:

  • -;-;-

  • Venue:
  • TSD '99 Proceedings of the Second International Workshop on Text, Speech and Dialogue
  • Year:
  • 1999

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Abstract

In this paper, some results of the classification of spanish phonemes by means of Kohonen Self-Organizing Maps (SOM) are presented. These results show that SOM may be very useful in the previous steps of a continous speech recognizer, as well as a valuable aid in the signal phonetic segmentation process. This intermediate classification provides a new representation of the signal such that the "phonetic" gap between inputs and outputs of the recognizer is drastically reduced, so simplifying the task of the recognizer.