在中国双方言中声声表达的信心和怀疑的声学编码
1Institute of Linguistics, Shanghai International Studies University, Shanghai, People's Republic of China.
The Journal of the Acoustical Society of America
|October 24, 2024
概括
方言会影响口语线索的自信. 声学分析显示,不同的特征区分了信心水平和方言,拜安努尔-普通话说者使用更多的声学参数进行信心编码.
科学领域:
- 语言学的语言学.
- 声学语音学的声音学
- 社会语言学 社会语言学
背景情况:
- 口语通过声学语音线索传递社会信息.
- 获取第二语言会影响社会环境中的语音产生.
- 对方言变化的影响声学指标的沟通意义被探索不足.
研究的目的:
- 调查说不同方言如何影响与预期的沟通意义相关的声学指标.
- 为了确定声学特征是否能区分自信和怀疑的言论.
- 检查 confidence 和 doubt 的方言特定编码.
主要方法:
- 九个双方言的发言者在标准普通话和巴扬努尔方言中产生了单位数字,具有不同的预期信心水平.
- 十五名听众评价了感知到的意图和信心.
- 对细分,超细分和源特征进行了声学分析.
- 机器学习模型被用来分类信心和方言.
主要成果:
- 假设的变化显著影响了感知的意图.
- 预期的更高的信心水平被认为是更有信心的.
- 声学特征 (形式,基本频率,持续时间,HNR,CPP) 区分了信任级别和方言.
- 与普通话相比,讲者在巴扬努尔方言中更广泛地使用声学参数进行信心编码.
- 机器学习为信心和方言实现了高于机会的分类率,支持方言理论.
结论:
- 在口语中,声学语音线索对于编码社会信息,包括信心至关重要.
- 方言的变化,特别是标准普通话和巴扬努尔方言之间的变化,显然会影响自信的声学实现.
- 扬声器使用声学参数来表达信心和怀疑,在巴扬努尔方言中更依赖这些特征.
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