Robust hybrid pitch detector for pathologic voice analysis

B. Boyanov (1) , S. Hadjitodorov (1) , B. Teston (2) , D. Doskov (3)

1 Centre of Biomedical Engineering
2 LPL - Laboratoire Parole et Langage
3 Phoniatric Department

A hybrid speech period (To) detector characterizided by parallel analyses of three speech signals in temporal spectral and cepstral domains and preprocessing for periodic/aperiodic (unvoiced) separation (PAS) is proposed. The preprocessing is realized by analysis in these three domains and PAS by multi layer Perceptron neural network.Two phonations of the wowel "a" of 40 speakers and 62 patients were analyzed. For the proposed detector errors were significantly minimized.

Mots clés: Voice assessment; signal processing; neural network; pitch; dysphonia

Domaines: Génie logiciel [cs.SE]; Ingénierie biomédicale; Médecine humaine et pathologie; Linguistique

B. Boyanov, S. Hadjitodorov, B. Teston, D. Doskov. Robust hybrid pitch detector for pathologic voice analysis. Larynx 97, Jun 1997, Marseille, France. pp.55-58. ⟨hal-00370247⟩