Study of complexity in normal and pathological speech signals

MARÍA EUGENIA TORRES; LUCAS GUILLERMO GAMERO; HUGO LEONARDO RUFINER; CÉSAR MARTÍNEZ; DIEGO HUMBERTO MILONE; GASTÓN SCHLOTTHAUER

Cancún, Mexico

Conferencia; 25th Annual International Conference of the IEEE EMBS; 2003

IEEE - EMBS

The application of complexity measures to the analysis of different biological signals have contributed to give a better understanding of the dynamical systems involved in their generation. In this work we present a comparative study of the complexity of speech signals from subjects with normal phonation and patients with laryngeal pathologies of the vocal system. Different complexity measures were considered in this study. Our results suggest that some of them would allow todiscriminate between normal and pathological voices. This result could give an indication in order to assist the diagnostic or the treatment in the clinical practice.