在患有帕金森病的扬声器中评估基本频率变化:追踪错误的影响
Alena Portnova1, Annalise Fletcher1, Alan Wisler2
1Department of Communicative Disorders and Deaf Education, Utah State University, Logan.
Journal of speech, language, and hearing research : JSLHR
|February 19, 2025
概括
自动基本频率 (F0) 追踪错误在帕金森病 (PD) 中显著影响语音分析. 删除这些错误可以提高F0变量测量的准确性,并提高语音表达力的预测.
科学领域:
- 语音科学 语言科学
- 声学语音学的声音学
- 神经语言学是一种神经语言学.
背景情况:
- 自动基本频率 (F0) 测量对于语音分析至关重要.
- 在F0提取中追踪错误可能会使语音特征的解释变得复杂.
- 了解这些错误对于准确的评估至关重要,特别是在神经性语言障碍,如帕金森病 (PD) 中.
研究的目的:
- 评估F0追踪错误对F0总结统计数据对患有PD的演讲者和神经类型成人的影响.
- 调查如何纠正F0跟踪错误影响语音表达力的预测.
- 用各种统计方法来证明追踪错误对F0可变性的影响.
主要方法:
- 录制了八名患有PD的演讲者和八名神经类型的成年人阅读一个标准化的段落.
- 使用Pratat提取的F0测量和手动识别的跟踪错误.
- 分析了跟踪错误对F0平均值和标准偏差的统计效应.
- 与听众对语音表达力的评分相关的F0变化度量 (有或没有错误校正).
主要成果:
- 与F0平均值不同的是,F0标准偏差在两组中都受到跟踪错误的显著影响.
- 删除跟踪错误强化了F0变化度和感知语音表达力之间的关系.
- 统计分析揭示了跟踪错误对声学参数的影响差异.
结论:
- 在患有PD和神经类型个体的扬声器中,F0追踪错误大大改变了F0标准偏差.
- 纠正跟踪错误可以增强F0变量的预测能力,用于像表达力这样的感知语音结果.
- 准确的F0错误校正对于临床和研究环境中可靠的语音分析至关重要.
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