验证Count-the-Dots音频图表方法来计算语音可理解性指数的验证
Koenraad S Rhebergen1,2, Chaslav V Pavlovic3
1Department of Otorhinolaryngology and Head and Neck Surgery, University Medical Center Utrecht, Utrecht, The Netherlands.
The Journal of the Acoustical Society of America
|February 10, 2026
概括
计数点音像仪的方法提供了一种简化的方式来估计语音可理解性,与美国国家标准协会的语音可理解性指数 (SII) 在安静的环境中非常接近. 由于掩盖模型差异,偏差发生在更高的语音水平上.
科学领域:
- 听力学和语言科学 听力学和语言科学
- 声学和信号处理
背景情况:
- 美国国家标准研究所 (ANSI) 语音可理解性指数 (SII) 是预测语音可理解性的标准.
- 需要简化临床方法来估计ANSI SII用于实际的听力学应用.
研究的目的:
- 评价Count-the-Dots Audiogram方法作为一个简化的临床方法来估计ANSI SII.
- 为了比较Count-the-Dots方法和ANSI SII变体之间的可听性计算和预测可理解性得分.
主要方法:
- 分析了来自国家健康和营养检查调查数据集的14776个音频录像.
- 与使用八个频段重要性函数 (BIF) 的多个ANSI S3.5-1997 SII变体进行了点数计数方法的比较.
- 评估了不同语音水平和条件的可听性和可理解性预测.
主要成果:
- 数点计数方法与ANSI SII非常接近,用于在自然语音水平的安静环境中进行可听性和可理解性预测 (约. 55dB SPL) 的情况.
- 在较高的语音水平 (≥65 dB SPL) 观察到偏差,这是由于掩盖建模的差异.
- 方法之间的等价性取决于语音水平和频段重要性函数 (BIF) 的匹配.
结论:
- 计数点音频图谱方法提供了一个临床上可行的和直观的替代方案,用于在平常语音水平的安静环境中进行咨询.
- 由于其详细的声学建模,ANSI SII仍然是语音噪声,高级语音或辅助语音的首选模型.
- 在使用Count-the-Dots用于SII估计时,需要仔细考虑语音水平和BIF.
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