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      Acoustical analysis and perceptual evaluation of tracheoesophageal prosthetic voice.

      Journal of Voice

      Adult, Aged, Communication Aids for Disabled, Humans, Laryngectomy, Larynx, surgery, Male, Middle Aged, Speech Acoustics, Speech, Alaryngeal, Trachea, Voice Quality

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          Abstract

          Voice analysis was performed on 21 "standard" laryngectomized, male patients with a Provox voice prosthesis, along with an age- and sex-matched control group of 20 normal speakers, using acoustical analyses (MDVP and CSL, Kay Elemetrics Corp.), maximum phonation time measurements, and perceptual evaluations. Comparison between MDVP and CSL revealed that the latter was not useful for the analysis of laryngectomized prosthetic voices. In contrast, MDVP seems suitable for this purpose, and contains a large number of parameters that significantly differentiate between patient and control speakers, as did the perceptual ratings and the maximum phonation time. Fundamental frequency appeared to be comparable for patients and control speakers. A significant influence of stoma occlusion and age was found for some voice parameters. Factor analyses showed correlations between the different MDVP parameters and correlations between the MDVP parameters and the perceptual ratings.

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          9649080

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