一个可信的声音听起来如何?
Jochen Steffens1, Patrick Blättermann1, Maximilian Sattler1
1Institute of Sound and Vibration Engineering (ISAVE), Hochschule Düsseldorf, Düsseldorf 40476, Germany.
The Journal of the Acoustical Society of America
|May 16, 2025
概括
与中性演讲相比,可信的演讲具有较高的能量水平和说话速度. 声学分析揭示了可信,中立和刺言论的独特特征,具有刺表达的性别特异变化.
科学领域:
- 心理语言学 心理语言学
- 声学语音学的声音学
- 语音沟通 语音沟通
背景情况:
- 信誉显著影响人类的感知和决策.
- 了解可信度的声学线索对于沟通至关重要.
- 区分可信的言论与中性和刺的言论需要详细的声学分析.
研究的目的:
- 识别声学属性,使可信言论与中性和刺言论区分开来.
- 调查特定音频特征在感知可信度中的作用.
- 在口语刺的声学表达中探索性别差异.
主要方法:
- 开发一个定制的德语语音库与业余录音的生态有效性.
- 提取一套全面的音频功能.
- 应用递归特征消除和机器学习支持的多项逻辑回归分析.
主要成果:
- 可信的演讲表现出比中性或刺的演讲更高的能量 (第1MEL频率CEPSTRAL系数).
- 在可信和刺的演讲中,与中立演讲相比,说话率更高.
- 具有刺意味的言论的特点是光谱中心质 (高频率内容) 比可信或中性言论更高.
结论:
- 声学特征显著区分可信,中立和刺的语言.
- 特定的声学线索,如能量和说话速度,是信誉的关键指标.
- 性别对刺的声学实现有影响,女性的说话速度更突出,男性的音调更高.
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