Automatic formant tracking method using fourier ridges

  • Authors:

  • Imen Jemaa;Kaïs Ouni;Yves Laprie

  • Affiliations:

  • Unité de Recherche Traitement du Signal, Traitement de l'Image et Reconnaissance, de Forme (99/UR/1119), Ecole Nationale d'Ingénieurs de Tunis, BP.37, Le Belvédère 1002 ...;Unité de Recherche Traitement du Signal, Traitement de l'Image et Reconnaissance, de Forme (99/UR/1119), Ecole Nationale d'Ingénieurs de Tunis, BP.37, Le Belvédère 1002 ...;Equipe Parole, LORIA – BP 239 – 54506 Vandœuvre -lès- nancy, France

  • Venue:
  • NOLISP'09 Proceedings of the 2009 international conference on Advances in Nonlinear Speech Processing
  • Year:
  • 2009

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Abstract

This paper develops a formant tracking method based on Fourier ridges detection. This work aims to improve the performance of formant tracking algorithm. In this method we have introduced a continuity constraint based on the computation of centre of gravity for a set of frequency formant candidates which leads to connect a frame of speech to its neighbours and thus to improve the robustness of track. The formant trajectories obtained by the algorithm proposed are compared to those of the hand edited formant Arabic database and those given by Praat with LPC data.