Abstract

In this paper a critical review of some reported algorithms is made, regarding the objective measurement of features in pathologic speech. The discussion is grouped in the following topics: prosody, pith related measurements, hoarseness and vowel/consonant production. The prosody topic includes measurements of timing, stress, tempo and intonation. Pitch related measurements involve the algorithms based on pitch period, hoarseness groups measurements of noise and turbulence related to the pharyngeal functioning, while vowel/consonant production includes formant’s transitions, voice onset time and nasality perturbations. Every algorithm was analyzed taking into account the following aspects: Domain of analysis, sampling frequency, sample of speech or voice used, amount of patients and kind of disease, correlation with subjective evaluations. Limitations of analyzed algorithms are shown and the desired characteristics for each topic’s measures are proposed. (To be presented in Spanish.)

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