Speech audiometry in noise: Development of the French-language VRB (vocale rapide dans le bruit) test

被引:20
作者
Leclercq, F. [1 ]
Renard, C. [1 ,2 ]
Vincent, C. [2 ]
机构
[1] Lab Dehaussy Renard, Rue Natl, F-59000 Lille, France
[2] CHRU Lille, Serv Otol & Otoneurol, F-59000 Lille, France
关键词
Speech-in-noise perception; QuickSIN (TM); Speech-in-noise audiometry; NORMAL-HEARING;
D O I
10.1016/j.anorl.2018.07.002
中图分类号
R76 [耳鼻咽喉科学];
学科分类号
100213 ;
摘要
Introduction: Understanding speech in noise is a major challenge for most hearing-impaired subjects, with or without hearing aids. To overcome the weaknesses of French-language speech-in-noise tests, we developed a new instrument, with a balanced mix of difficulty of the speech material. Material and methods: The speech material comprised 127 sentences taken from the "Marginal Benefit from Acoustic Amplification" (MBAA) corpus, each including 3 keywords. The noise was created using the "onde vocale globale" (global vocal wave: OVG), described by Dodele. The 127 speech/noise pairs were recorded individually after root-mean-square equalization. The first experiment, on 10 normal-hearing adults, determined the signal-to-noise ratio (SNR) associated with 50% correct keyword identification in each sentence (SNR-50), using an ascending method with noise level set at 73 dB SPL. Relative levels between sentences and noise were then adjusted sentence by sentence to achieve an SNR-50 of 0 dB. The second experiment, with 12 normal-hearing adults, validated the equalization of sentence difficulty. Results: Mean SNR-50 was -6.64 dB (sigma = 1.47). Mean adjusted SNR-50 was 0.08 dB (sigma = 0.55). Mean psychometric curve slope was 19.3%/dB, with low standard deviations, testifying to the sensitivity of the speech material. Conclusion: The VRB (vocale rapide dans le bruit: rapid speech in noise) test is based on sentences from the MBAA corpus with background noise based on the OVG at different signal-to-noise ratios. The test is feasible and able to detect slight variations in speech-in-noise performance between subjects. (C) 2018 Elsevier Masson SAS. All rights reserved.
引用
收藏
页码:315 / 319
页数:5
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