空间配置和基本频率对多个说话者在ipsilateral水平平面和中间平面中的语音可理解性的影响a)
Dingding Yao1,2, Jiale Zhao1,2, Linyi Wang1,2
1Key Laboratory of Speech Acoustics and Content Understanding, Institute of Acoustics, Chinese Academy of Sciences, Beijing 100190, China.
The Journal of the Acoustical Society of America
|May 8, 2024
概括
空间和基本频率 (F0) 的分离提高了语音可理解性. 这项研究探讨了未充分利用的空间配置,发现对称的安排是有益的,F0分离证明非常有效.
科学领域:
- 听觉感知是一种听觉感知.
- 语音处理 语音处理
- 声学信号分析 声学信号分析
背景情况:
- 众所周知,空间分离和基本频率 (F0) 分离可以在多说话者环境中提高语音可理解性.
- 之前的研究主要集中在正面空间配置上,忽视了局部化具有挑战性的ipsilateral和中间平面场景.
研究的目的:
- 研究空间和F0分离对未经探索的空间配置中的语音可理解性的影响.
- 评估与不同数量的说话者在双侧水平和中间平面场景中的可理解性.
主要方法:
- 在三个实验中测量了语音接收值.
- 刺激包括单调的言语,在多人说话场景 (2-4人说话) 中具有不同的F0.
- 测试的空间配置是ipsilateral水平平面和整个中间平面.
主要成果:
- 对称的空间布局 (双侧面前后,中间面前后/上下) 对理解性产生了积极的影响.
- 从空间分离释放的掩饰受到了目标方向和相对目标-掩饰分离的影响.
- 空间分离的好处在两个以上的说话者下降.
- 基本频率 (F0) 分离仍然是一个强烈的提示,并且增强了空间分离的好处.
结论:
- 在特定的对称配置中的空间分离有助于理解,特别是在具有挑战性的听觉场景中.
- 基本的频率分离是语音可理解性的强有力的线索,可以补充空间线索.
- 现有的语音可理解性模型可能需要改进,以考虑到这些未被充分探索的空间条件.
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