Vocal fatigue.
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Consent to participate in the study Being in the age range of 21-45 years Voice complaint report by the person himself/herself Students being in the last year of speech therapy Not having professional activity in the field of voice therapy Obtaining a score greater than 23, greater than 7 and less than 7, respectively, in subtests 1 to 3 of the Persian Voice Fatigue Index Absence of neurological problems Absence of hearing problems No history of voice therapy No history of taking psychiatric drugs No history of surgery, intubation in the vocal tract and radiotherapy in the head and neck area Absence of reflux and taking medicine to control it No history of experience in professional voice training
Exclusion criteria
Exclusion criteria: Disappearance of any including criteria at the time of sampling Distortion of audio samples or tests performed for various reasons Taking part in the voice therapy session on the sampling day simultaneously Infection or congestion in the upper respiratory airway due to reasons such as cold, flu, nasal congestion, infection with covid 19 Being in the menstrual cycle for women
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Jitter. Timepoint: Before intervention and immediately after intervention. Method of measurement: Acoustic analysis of voice signal with Praat software.;Shimmer. Timepoint: Before intervention and immediately after intervention. Method of measurement: Acoustic analysis of voice signal with Praat software.;Harmony to Noise Ratio. Timepoint: Before intervention and immediately after intervention. Method of measurement: Acoustic analysis of voice signal with Praat software.;Cepstral peak prominance. Timepoint: Before intervention and immediately after intervention. Method of measurement: Acoustic analysis of voice signal with Praat software.;Cepstral peak prominance smoothed. Timepoint: Before intervention and immediately after intervention. Method of measurement: Acoustic analysis of voice signal with Praat software.;Dysphonia Severity Index. Timepoint: Before intervention and immediately after intervention. Method of measurement: The score obtained from the weighted combination of parameters of maximum phonation time, highest frequency, lowest intensity and jitter of the voice signal.;Maximum Phonation Time. Timepoint: Before intervention and immediately after intervention. Method of measurement: Calculating the duration of the /a/ vowel production with stopwatch software.;Vocal self-assessment. Timepoint: Before intervention and immediately after intervention. Method of measurement: Using a researcher-made rating scale.;The overall severity of the voice disorder. Timepoint: Before intervention and immediately after intervention. Method of measurement: The Persian version of The Consensus Auditory-Perceptual Evaluation of Voice (CAPE-V). | — |
Countries
Iran (Islamic Republic of)
Contacts
University of social welfare and rehabilitation sciences