[Acoustic evaluation and use of computers].

Thanks to the measurements of the acoustical parameters of voice and speech, an objective semeiology can be set up to assess a diagnosis and, to a certain extent, a prognosis and the follow up after therapy. A computerized analysis is a good complement to the clinical evaluation. It gives quantitative values, with statistics and the means to compare patients to themselves and to other patients. After defining the parameters we are interested in, we review the different softwares at our disposal with their limits.