Performance-intensity function of short Mandarin monosyllabic word list for normal-hearing listeners
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摘要: 目的:对普通话言语测听材料(MSTMs)中等价性一致的一组单音节小词表进行有效性分析,以期描绘出听力正常人的识别-强度函数曲线,为临床听力检测提供快速有效的方法及量度。方法:选取年龄18~26岁,具有大专及以上学历,且以普通话作为日常交流方式的听力正常人37例。选取MSTMs中经过等价性评估的8张单音节小词表,每张20词,其中第1张前10个单音节词统一作为练习表使用。使用SPSS 17.0软件对结果进行分析。结果:单音节小词表的言语识别率与给声强度间的Logistic曲线拟合方程为:x=98.557/｛(1+12.243exp[-0.17(P-15)]｝,xmax=98.557;识别率为50%时的给声强度为29.6 dB SPL,线性部分的回归方程为Y=3.098X-43.149。 结论:该研究初步建立了基于具有难度等价性的7张普通话单音节小词表的正常人识别-强度函数曲线,为临床听力学检测提供了一种快速有效的评估手段,并且为下一步测试和临床应用提供了基础。[JP]Abstract: Objective:To analyze the short monosyllabic list of Mandarin speech test materials(MSTMs) which have been evaluated the equivalence of difficulty, and to establish the performance-intensity function (P-I function) for people with normal hearing as clinical reference of hearing recovery and individuals ability to perceive and process speech.Method:Thirty-seven subjects (the age ranged from 18 to 26 years old) who speak Mandarin well in their daily lives with normal hearing participated in this study. Eight lists of the Short Mandarin Monosyllabic materials (20 words per list) with equal difficulty were utilized. The results were analyzed by Statistical Package for the Social Sciences(SPSS) software version17.0.Result:P-I function for short monosyllabic word list was x=98.557/(1+12.243exp(-0.17(P-15))), xmax=98.557. And the sound pressure level of speech corresponding to a 50% recognition score was 29.6 dB SPL or 9.6 dB HL. The results showed P-I function of 3.1 per dB for Mandarin materials.Conclusion:The study established the P-I function of the Mandarin short monosyllabic word list materials with equal difficulty, which provides the normative data for identifying the normal hearing in a clinical setting.
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Key words:
- speech audiometry /
- short monosyllabic word list /
- Mandarin /
- word recognition score
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