调整错误如何影响儿童言语中的自动发音评分?
Prad Kadambi1, Tristan Mahr2, Lucas Annear2
1Arizona State University, USA.
Interspeech
|April 9, 2025
概括
对于儿童来说,自动发音评分可以准确. 我们的研究表明,对齐错误具有中等的影响,确保可靠的比较使用不同的评分方法,儿童说话者之间.
科学领域:
- 语音科学 语言科学
- 计算语言学 计算语言学
- 儿童语言的获取儿童语言的获取
背景情况:
- 自动发音评分通过语音细分和语音概率计算来评估语音偏离成人规范.
- 区分对齐误差与真声偏差对于准确的自动计分至关重要.
- 儿童的言语面临着独特的挑战,可能会放大发音偏差和对齐错误.
研究的目的:
- 量化来自手动与自动语音对齐的发音分数之间的差异.
- 研究调整错误和其他因素 (音名位置,类型) 对儿童发音评分的影响.
主要方法:
- 利用混合效应建模来预测发音分数的差异.
- 使用手动语音对齐 () 计算的比较分数与自动强制对齐 () 计算的比较分数.
- 分析了对齐错误,语音位置和语音类型对得分差异的影响.
主要成果:
- 发现对齐错误对发音分数差异 () 有适度的影响.
- 其他分析的变量,如语音位置和类型,几乎没有显著的影响.
- 手动和自动计算的分数在交叉发言平均后显示出密切一致.
结论:
- 自动强制对齐为儿童提供了可靠的发音评分方法.
- 调整错误的影响是可以管理的,并不妨碍准确的比较.
- 儿童扬声器的实际比较是高度可比的,无论使用手动还是自动对齐方法.
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