Voice Disorders Of Subjective And Objective Multi-parameter Measurement And Analysis

Objective: The purpose of this paper is to develop multi-parametric protocols, which can evaluate the voice objectively and quantitatively, and to investigate its correlation with the perceptual analysis.Methods: (1)The voice sample were collected from 72 patients with dysphonia and 30 subjects with normal voices. (2)Evaluation perceptive: The method of evaluation was according to GRBAS adopting the parameters of G, R, B. (3)Subjective evaluation of patients with dysphonia themselves: The method of evaluation was according to VHI(voice handicap index). (4)Objective evaluation: All the subjects were asked a sustained vowel / (?) / .And the voice samples were done with electroglottography and acoustic test.Results: (1)Objective parameter of the voice: According to the evaluation perceptive's style, we can grade and analysis the voice sample. (1)The pathology of the objective parameters: In throat disease group, some parameters which reflect the vibration of vocal cards are higher than the normal, for example, jitter, shimmer, E-jitter, E-shimmer; some parameters which reflect glottal closedown are higher, for example, NNE, E-NNE, CQP; but HNR which reflect partial tone is lower. (2)The sensitivity of the objective parameter: They have obvious discrepancy in different groups(p<0.05). (3)The reliability of the objective parameters: When the voice dysphonia aggravate, some parameters are higher: jitter, shimmer, NNE, E-jitter, E-shimmer, E-NNE, CQP; but HNR is lower. (4)The correlation of the parameters: Between the objective and subjective parameters, they have the closest correlation(r>0.7); and among the objective parameters, they have the closest(r>0.7) or closer (0.6