User Expectation of Room Acoustic Parameters in Virtual Reality Environments

User Expectation of Room Acoustic Parameters in Virtual Reality Environments
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用户对虚拟现实环境中房间声学参数的期望

DOI:
10.1109/i3da57090.2023.10289314
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发表时间:
2023
期刊:
--
影响因子:
--
通讯作者:
Burnett B
Burnett B
中科院分区:
--
文献类型:
--
作者:
Burnett B

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本文探讨了VR场景的视觉属性如何影响用户对房间混响的期望。进行了一项心理声学实验,其中受试者佩戴VR耳机并调整两个控制混响时间(T60)和声学房间大小的未标记滑块,直到混响响应最接近他们对他们所看到的房间应该听起来如何的期望。不同的视觉特性,特别是房间类型和大小,表面材料和家具进行了修改,以确定这些可能会影响他们的期望的混响响应。结果表明,视觉房间的大小有一个显着的影响,预期的T60,与以前的文献,并在预期的声学房间的大小。这两种关系似乎都可以用一个简单的次线性幂律模型很好地描述,例如,它可以用来设计混响时间(T60)和声学房间大小值,这些值与听众对给定视觉房间体积的期望很好地一致。发现可见表面材料的差异对预期T60具有统计学显著影响。另一方面,视觉装饰的水平对预期的T60只有轻微的显著影响。研究结果还表明,在个人的期望相当大的主观差异。
This paper explores how visual attributes of a VR scene affect user expectations of room reverberation. A psychoacoustic experiment was run wherein subjects wore a VR headset and adjusted two unlabelled sliders controlling the reverberation time (T60) and the acoustic room size until the reverberant response was closest to their expectation of how the room they were seeing should sound. Different visual characteristics, in particular, room type and size, surface material, and furnishing were modified to determine how these might affect their expectations of the reverberant response. Results showed that visual room size had a significant effect on both the expected T60, in agreement with previous literature, and on the expected acoustic room size. Both relations seem to be well-described by a simple sublinear power law model, which could be used, for instance, to design reverberation time (T60) and acoustic room size values that align well with listeners’ expectation for a given visual room volume. Differences in visual surface materials were found to have a statistically significant effect on the expected T60. The level of visual furnishing, on the other hand, only had a marginally significant effect on the expected T60. The results also indicate considerable subjective differences in individual expectations.
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