Acoustic waveforms from pathological voices are analyzed by methods from nonlinear dynamics. It is emphasized that many observations of rough and creaky voices, of frequency jumps, and diplophonia can be interpreted as manifestations of low-dimensional dynamics in an appropriate phase space. Attractors are characterized by means of Poincare sections, fractal dimensions and Lyapunov exponents. Keywords: voice pathologies, deterministic chaos, phase space, attractor, bifurcation
Bibliographic reference. Herzel, H. / Wendler, J. (1991): "Evidence of chaos in phonatory samples", In EUROSPEECH-1991, 263-266.