声道动力学塑造了港湾海受条件发声的形成结构
Maria Goncharova1, Yannick Jadoul1,2,3, Colleen Reichmuth4
1Comparative Bioacoustics Research Group, Max Planck Institute for Psycholinguistics, Nijmegen, the Netherlands.
Annals of the New York Academy of Sciences
|August 2, 2024
概括
港湾海使用部运动来控制声道共振频率 (形式). 口开放显著影响第一个形成物 (F1) 和第二个形成物 (F2),类似于人类.
科学领域:
- 生物声学是一种生物声学.
- 动物沟通动物沟通
- 哺乳动物的发音方式
背景情况:
- 形成剂或共振频率对于声通信至关重要.
- 关节手势塑造了人类的形式,但对非人类哺乳动物的机制了解甚少.
研究的目的:
- 研究海如何使用发音手势,特别是部运动,来调节形成频率.
- 将海声道的发音与人类的语音产生进行比较.
主要方法:
- 一只受过训练的海产生了一种特定的发音 ("wa").
- 分析了每一的部运动,并与形成频率相关联.
- 在录制的发音上进行了形式追踪.
主要成果:
- 的开口角与第一个形成物 (F1) 强烈相关,与第二个形成物 (F2) 适度相关.
- 角和F2之间的关系取决于海的身体位置 (背部与腹部).
- 港湾海表现出与人类相似的关节特征,F1更依赖于下巴位置.
结论:
- 关节在塑造港湾海的形成频率方面发挥着重要作用.
- 研究结果表明,哺乳动物的声音产生过程中有共同的发音原理.
- 建议进一步研究舌头运动在海发声中的作用.
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