Development of a Binaural Masking Level Differences Test Application Using Tonal and Speech Stimuli in Persian and Assessing its Test-Retest Reliability in Normal-Hearing Young People

IF 0.4 Q4 AUDIOLOGY & SPEECH-LANGUAGE PATHOLOGY Auditory and Vestibular Research Pub Date : 2022-09-21 DOI:10.18502/avr.v31i4.10736
M. Ashrafi, Mahsa Rezaei Sakha
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Abstract

Background and Aim: The masking level difference (MLD) test is a behavioral test that assesses binaural interactions and central auditory processing. This study aims to design a binaural MLD (BMLD) test application using tonal and Speech Stimuli in Persian. Methods: In the first stage, the BMLD test application was designed in MATLAB software. Then, the spondaic words were recorded and added to the sound processing panel of the application. In the next stage, the MLD of tonal and speech stimuli was measured on 20 subjects aged 18–25 years. To examine the test-retest reliability of the application, all steps were repeated after one week. Results: The MLD values for tonal and speech stimuli under the SoNo-SπNo condition were significantly different from those under the SoNo-SoNπ condition (p<0.05). These values for tonal and speech stimuli were 10.50 and 6.12 dB under the SoNo- SπNo condition, and 6.85 and 4.43 under the SoNo- SoNπ condition. There was no significant difference in the MLD values between males and females. The intraclass correlation coefficient value for different phase conditions was more than 0.8, indicating the high reliability of the BMLD test application for tonal and speech stimuli in Persian (p<0.05). Conclusion: The designed BMLD test application using tonal and speech stimuli in Persian has similar results compared to the conventional methods of MLD test for other languages, therefore, this application can be used in audiology clinics in Iran to perform the MLD test. Keywords: Release from masking; masking; binaural hearing; software
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波斯语双耳掩蔽水平差异测试应用的发展及其在正常听力青少年中的重测信度评估
背景和目的:掩蔽水平差(MLD)测试是一种评估双耳相互作用和中枢听觉处理的行为测试。本研究旨在设计一个使用波斯语音调和语音刺激的双耳MLD(BMLD)测试应用程序。方法:在第一阶段,在MATLAB软件中设计了BMLD测试应用程序。然后,对应的单词被记录并添加到应用程序的声音处理面板中。在下一阶段,对20名18-25岁的受试者测量音调和言语刺激的MLD。为了检查应用程序的重新测试可靠性,在一周后重复所有步骤。结果:在SoNo-SπNo条件下,音调和语音刺激的MLD值与SoNo-SoNπ条件下的MLD有显著差异(p<0.05)。在SoNo-SoπNo条件下音调和语音激励的MLD分别为10.50和6.12dB,在SoNoSoNπ条件下声音和语音刺激分别为6.85和4.43。男性和女性的MLD值没有显著差异。不同相位条件下的组内相关系数值大于0.8,表明BMLD测试应用程序对波斯语音调和语音刺激的可靠性很高(p<0.05),该应用程序可用于伊朗的听力学诊所进行MLD测试。关键词:掩蔽释放;掩蔽;双耳听力;软件
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来源期刊
Auditory and Vestibular Research
Auditory and Vestibular Research Medicine-Otorhinolaryngology
CiteScore
0.60
自引率
20.00%
发文量
0
审稿时长
12 weeks
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