Plucked String Stiffness Affects Loudness Perception
Plucked String Stiffness Affects Loudness Perception
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DOI：
10.1007/978-3-642-41068-0_9
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发表时间：
2013-04
期刊：
影响因子：
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通讯作者：
Mounia Ziat;I. Frissen;G. Campion;V. Hayward;C. Guastavino
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文献类型：
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作者：
Mounia Ziat;I. Frissen;G. Campion;V. Hayward;C. Guastavino
在以前的研究中，已经报道了各种各样的感觉之间以及运动产生和感觉之间的相互作用。在目前的研究中，我们测试了拨弦的力学是否会影响它所产生的声音的感知方式。为了验证这一假设，我们使用高保真触觉力反馈装置模拟拨弦的感觉，同时模拟其声发射。通过这种方式，我们可以独立地操纵两种感官输入——感觉和声音——以及正确的物理触觉互动和精确的同步。这种安排使得这两种感觉输入来自一个共同的来源非常可信。我们使用两音程强迫选择辨别程序来确定硬弹弦和软弹弦之间响度的主观相等点。当琴弦的硬度较低时，人们会觉得声音更柔和。有趣的是，只有当第一根弦的硬度低于第二根弦时，这种效应才会被发现。结果与多感觉统合的逆效原理一致。
A great variety of interactions between senses, and between motor production and senses, have been reported in previous research. In the present study, we tested whether the mechanics of a plucked string affected how the sound it produced was perceived. To test this hypothesis, we simulated the feel of a plucked string using a high fidelity haptic force-feedback device and simultaneously simulated its acoustic emission. This way, we could independently manipulate the two sensory inputs — how it felt and how it sounded — together with physical correct haptic interaction and with accurate synchronization. This arrangement makes it very plausible that the two sensory inputs came from a common source. We used a two-interval forced-choice discrimination procedure to determine the point of subjective equality of the loudness between a stiff and a soft plucked string. When the stiffness of the string was low, the sound was perceived to be softer. Interestingly, this effect was found only when the first string was less stiff than the second string plucked during a comparison. The results are consistent with the inverse effectiveness principle of multisensory integration.