嗓音的客观多参数分析与主观听觉分析相关性的研究

Correlation Between Objective Multi-parametric Analysis and Perceptual Analysis for Dysphonia

于萍;Giovanni Antoine

1:解放军总医院耳鼻咽喉科研究所

2:法国地中海大学马赛医院耳鼻咽喉-头颈外科临床听力-嗓音研究室 北京100853

摘要
目的 探讨嗓音的客观多参数检测与主观听觉评估的相关性 ,建立嗓音客观多参数评估模式 ,实现嗓音评估的客观化、数据化。方法 声音样本采自 135例声音嘶哑患者和 2 9例嗓音正常者。客观检测采用法国开发的“EVA ”嗓音工作站 ,测试对象发长元音 /α :/时 ,检测下列参数 :基频 (F0 )、音强 (intensity)、基频微扰 (jitter)、信噪比 (signal-to -noiseratio ,SNR)、Lyapunov系数、口腔气流量 (oralairflow ,OAF)、音域 (range)及最大发声时间 (maxi mumphonatorytime,MPT) ;发 /pα/音时 ,检测声门下压 (estimatedsubglotticpressure ,ESGP)。主观听觉评估采用日本言语语音学会声音嘶哑评估GRBAS系统中的总嘶哑度 (grade,G) 4级评估标准。所有受试者以自然的音调及音强读一段统一的标准文字 ,听评委由 4名嗓音学家组成。结果 应用判别分析方法 ,建立了 7参数客观评估模式 (音域、Lyapunov系数、声门下压、最大发声时间、口腔气流量、信噪比和基频 )。客观评估结果与主观评估结果的一致性达到 84 %。结论 嗓音的客观检测是多参数的 ,客观评估能够反映出主观听觉印象
关键词
嗓音;客观多参数分析;主观听觉分析;判别分析
基金项目(Foundation):
作者
于萍;Giovanni Antoine
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