Voice Samples of Patients with Internal Nasal Valve Collapse Before and After Functional Rhinoplasty

This dataset contains voice samples of Patients with Internal Nasal Valve Collapse Before and After Functional Rhinoplasty.‎‎ These voice samples are categorized into two groups: before and after functional rhinoplasty in patients with internal nasal valve collapse.
The initial voice samples were collected 1–15 days before the surgical operation. Once the lack of cold, hoarseness in all participants and menstruation in females was confirmed on the voice recording day, the demographic questionnaire was completed by the participants. The participants were familiarized with the method of the test, and they were asked to produce the voice sample before the test. To minimize the environmental noise, participants were
transferred to an acoustic room (with noise of 28 dB based on sound level meter [TES-1351]). The voice samples were recorded separately for each. The participants were seated
in a comfortable condition and a Microphone (Somic SENIC ST-818 3.5 mm On-Ear Stereo Headphones with Adjustable Microphone and 2.5 m Cable) was placed 5 cm from the center of their lips on the right corner of mouth.
The stability of this distance was checked when recording the voice samples. The participants were asked to produce the vowels /a/ and /i/ within three tests at least for 5 s. The reason for choosing the vowels was their different place of articulation in the vocal tract. /i/ is the highest front vowel, and /a/ is the lowest back vowel.
Vocal intensity during vowel prolongation was kept at 75 ± 2 dB (measured with sound level meter) by guiding patients manually. Because the vocal intensity should be consistent for different subjects, we can compare the results. The patients’ voice sample was recorded concurrently using Praat (version 5.0.23) software (Boersma, Paul &Weenink, David (2015). Praat: doing phonetics by computer [Computer program]. Version 5.0.23, retrieved from http://www.praat. org/) at a sampling frequency of 44.1 KHz using a laptop equipped with a sound card. The surgical operation in all participants was performed by the same surgery team.
Voice signals were collected again 3 months after the surgery under the same conditions. Prior to recording the second voice samples, the participants underwent examinations by
an ENT specialist and also were examined again in terms of inclusion and exclusion criteria of the study. The collected voice samples were encoded by a person who was not involved in the analysis of voice signals and were randomly studied.
If you use these data please cite the following paper:
Rezaei F, Omrani MR, Abnavi F, Mojiri F, Marzieh G, Barati S, et al. Computerized Analysis of Acoustic Characteristics of Patients with Internal Nasal Valve Collapse Before and After Functional Rhinoplasty. J Med Sign Sense 2015;5:210-9.

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