清晰的语音效应在句子中介的生产中 (普通话词典音调)
Jack Rittenberry1, Irina A Shport1
1Department of English, Louisiana State University, Baton Rouge, Louisiana 70803, USAjackrittenberry@gmail.com, ishport@lsu.edu.
JASA express letters
|May 28, 2024
概括
在普通话音调中,清晰的演讲涉及更长的持续时间,更高的强度和更高的F0值. 这一整体信号增强策略在各种音调上下文和音节位置中是一致的.
科学领域:
- 语音学 语音学 语音学
- 声学语音学的声音学.
- 语音沟通 语音沟通 语音沟通
背景情况:
- 有限的研究存在于语音语言的清晰语音效应.
- 中国普通话是一种突出的音调语言,具有复杂的音调sandhi规则.
- 在音调上下文中理解清晰的语音对于语音可理解性至关重要.
研究的目的:
- 调查普通话词典音调在清晰的演讲中产生的声学特征.
- 为了确定清晰的语音策略是否根据上下文调节音调的声学特性.
- 检查清晰言语对基本频率 (F0) 和持续时间的影响.
主要方法:
- 14名普通话母语者在两个条件下阅读五音节句子:清晰的语言 (想象一个听力障碍的听众) 和随意的语言.
- 声学分析测量了音调持续时间,强度和基本频率 (F0) 轮.
- 语音与其词汇类别,前面的语音上下文以及音节位置的关系被分析.
主要成果:
- 清晰的语音产品表现出明显更长的持续时间,更高的强度,和更大的F0值相比随意的演讲.
- 这些声学增强在不同音色,音色上下文和音节位置上基本一致.
- 观察到清晰语音效应的最小上下文调制,这表明了全球增强策略.
结论:
- 在普通话中,清晰的演讲主要涉及到一般的声信号增强,而不是特定于上下文的调整.
- 这些发现有助于理解音色语言中的前性修改,以提高可理解性.
- 进一步的研究可以探索普通话语音调的清晰语音中的细粒度F0轮修改.
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