Effects of Body Type and Voice Pitch on Perceived Audio-Visual Correspondence and Believability of Virtual Characters
Effects of Body Type and Voice Pitch on Perceived Audio-Visual Correspondence and Believability of Virtual Characters
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体型和音高对虚拟角色感知视听对应性和可信度的影响
DOI：
10.1145/3605495.3605791
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发表时间：
2023
期刊：
影响因子：
--
通讯作者：
Adamo-Villani, Nicoletta
中科院分区：
文献类型：
--
作者：
Lam, Luchcha;Choi, Minsoo;Mukanova, Magzhan;Hauser, Klay;Zhao, Fangzheng;Mayer, Richard;Mousas, Christos;Adamo-Villani, Nicoletta
我们研究了虚拟角色的体型和音高对感知视听对应性和可信度的影响。对于我们的组内研究 (N = 72)，我们使用 3（体型：外胚型、中胚型、内胚型体型）× 3（音高：低基频、中基频、高基频 [F0]）设计开发了 9 个实验条件。我们发现语音音高具有统计显着性的主效应，以及虚拟角色的体型和音高之间的交互作用对于女性和男性虚拟角色的感知视听对应性和可信度水平具有统计显着性的交互作用。对于女性虚拟角色，我们还观察到来自体型的额外统计显着主效应，以及参与者的生物性别和虚拟角色音高之间对感知视听对应性和可信度的统计显着交互效应。此外，结果表明感知的可信度与感知的视听对应性高度相关。我们的研究结果在虚拟角色旨在成为需要一定程度的感知可信度的情感或信息指南的应用中具有重要的实际意义，因为研究结果表明，通过对现有声音的音调操纵生成适当的声音，可以增强虚拟角色的感知可信度。
We examined the effects of virtual characters’ body type and voice pitch on perceived audio-visual correspondence and believability. For our within-group study (N = 72), we developed nine experimental conditions using a 3 (body type: ectomorph vs. mesomorph vs. endomorph body types) × 3 (voice pitch: low vs. medium vs. high fundamental frequency [F0]) design. We found statistically significant main effects from voice pitch and statistically significant interaction effects between a virtual character’s body type and voice pitch on both the level of perceived audio-visual correspondence and believability of female and male virtual characters. For female virtual characters, we also observed an additional statistically significant main effect from body type and a statistically significant interaction effect between the participant’s biological sex and the virtual character’s voice pitch on both perceived audio-visual correspondence and believability. Moreover, the results show that perceived believability is highly correlated to perceived audio-visual correspondence. Our findings have important practical implications in applications where the virtual character is meant to be an emotional or informational guide that requires some level of perceived believability, as the findings suggest that it is possible to enhance the perceived believability of the virtual characters by generating appropriate voices through pitch manipulation of existing voices.
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