区分直线和曲线的声音:听觉形状的音调,大声和节奏手势
1Cambridge School of Creative Industries, Anglia Ruskin University, Cambridge, UK. sven-amin.lembke@aru.ac.uk.
Attention, perception & psychophysics
|September 18, 2023
概括
声音手势的形状,如音调和声音的强度随着时间的推移而变化,被人类可靠地感知到. 这种听觉形状感知对设计界面产生影响,这些界面将声音映射到视觉图像中.
科学领域:
- 听觉感知是一种听觉感知.
- 交叉模式对应的交叉模式对应
- 精神声学是一种精神声学.
背景情况:
- 声音手势,或基于声音的轨迹,与空间动力学过程联系在一起,其中音调的变化传达意义和大小.
- 这些手势的形状,由音调随着时间的推移而变化的定义,已经被孤立地研究过.
研究的目的:
- 为了研究手势形状在单向音调,声音强度和节奏声音手势中的感知.
- 检查不同物理尺度如何影响听觉手势形状的感知.
- 探索听觉手势形状和视觉线段之间的交叉对应.
主要方法:
- 通过交叉模式匹配任务进行了一项实验.
- 参与者区分了音调,大声和节奏手势.
- 在四个物理尺度中评估了手势,包括等效矩形带宽 (ERB) 率和原始信号幅度.
主要成果:
- 参与者可靠地区分了音调和声音的手势,将它们与视觉线段联系起来.
- 对于音调的等效矩形带宽 (ERB) 率和对于声音的原始信号幅度导致了最接近直线的感知.
- 其他缩放导致了对音调和声量手势的指数或对数曲率的感知.
- 节奏手势没有产生可靠的形状感知差异.
结论:
- 对于音调和音量手势的听觉形状感知是强大的和可靠的.
- 这种感知对声音设计有重大影响,特别是在像视听接口 (例如波形,光谱) 这样的跨模式应用中.
- 听觉形状是声音手势的组成部分,以跨模拟对应为基础.
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