التفاصيل البيبلوغرافية
| العنوان: |
Testing speech intelligibility in noise with the VRB test: Results of a large scale prospective observational study in normal hearing and hearing impaired adults. |
| المؤلفون: |
Bakhos, D., Galvin, J., Aoustin, J. -M., Robier, M., Kerneis, S., Bechet, G., Montebault, N., Laurent, S., Godey, B., Aussedat, C. |
| المصدر: |
Journal of Hearing Science; 2022, Vol. 12 Issue 1, p49-49, 1/2p |
| مصطلحات موضوعية: |
NOISE, INTELLIGIBILITY of speech, CONFERENCES & conventions, HEARING disorders |
| مصطلحات جغرافية: |
POLAND |
| مستخلص: |
Objectives: In order to quantify intelligibility in noise, a new test has been developed, named VRB (which stands for "Vocale Rapide dans le Bruit", an adapted French version of the so-called "Quick Sin" Test). To establish references in hearing impaired people, it was necessary to conduct a large-scale study, involving a group of adult patients with varying degrees of hearing loss. Material and methods: We designed a prospective observational study in normal hearing (NH) and hearing impaired (HI) adults. Data were collected between June 2019 and January 2021 and consisted in: pure-tone air conduction thresholds for each ear using headphones for audiometric frequencies 0.5, 1, 2, 4, 6, and 8 kHz. Unaided monosyllable word recognition in quiet was measured in sound field at 65 dBA using monosyllable words from Lafon, in binaural condition. Unaided sentence recognition in noise was measured in sound field using the VRB test (binaural performance). Results: 639 listeners across 16 hearing centers completed the study, with the following breakdown by degree of hearing loss, based on binaural pure tone average (PTA): 187 normal-hearing (NH; PTA ≤20 dB HL) subjects, 146 subjects presenting mild hearing loss (Mild HL; 20< PTA ≤40 dB HL), 213 with a moderate grade 1 hearing loss (Mod HL1; 40< PTA ≤55 dB HL), and 93 with a moderate grade 2 hearing loss (Mod HL2; 55< PTA ≤65 dB HL). The mean SRTs and 95% confidence intervals around the mean were: 0.8 [0.6; 1] dB, 6.6 [6; 7.2] dB, 11.4 [10.9; 12] dB, 17.2 [16.6; 17.8] dB, for the NH, Mild HL, Mod HL1, and Mod HL2 groups, respectively. The medians were 0.7, 5.9, 11.1, 18.9 in the 4 groups respectively. We found that the relationship between PTA and SRT were weak, with a maximum R-square of 0.3 between PTA in the best ear and SRT for the NH group. The other R-squares were 0.02, 0.23 and 0.04 for the Mild HL, Mod HL1, and Mod HL2 groups, respectively. We also found weak relationship between vocal score in quiet at 65 dB and SRT in noise. Conclusions: Our results confirm that the traditional way of assessing hearing loss in quiet (tonal and vocal audiometry) does not give a complete overview of hearing impairment: given a PTA value, there is a high variability of scores in noise, which can efficiently and quickly be measured in French speaking patients by the VRB test. [ABSTRACT FROM AUTHOR] |
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