改善会议室声学可提升混合会议沟通效果
Room acoustics affect communicative success in hybrid meeting spaces: a pilot study
- 通过加装吸音材料优化会议室声学环境
- 实验显示沟通成功率明显提升（样本量小未达统计显著）
- 适合关注远程会议体验的教育与企业用户
自2020年新冠疫情以来，高校与企业越来越多地在会议空间中引入混合模式，甚至设立专用房间。尽管高速稳定的网络连接常被优先考虑，但会议室的声学设计却常被忽视。不良声学，特别是过度混响，可能导致误解、语音可懂度下降或认知与发声疲劳。本试点研究考察了格拉茨理工大学一间研讨室的声学改造是否有助于提升混合会议中的沟通成效。我们对两组人员在改造前后分别进行了两次录制。尽管受样本量限制，结果未达统计显著性，但趋势清晰表明，空间声学干预能有效提升混合会议中的沟通成功度。为便于语音通信领域读者理解，文中还介绍了相关声学背景知识。
原文摘要 · Abstract (English)
Since the COVID-19 pandemic in 2020, universities and companies have increasingly integrated hybrid features into their meeting spaces, or even created dedicated rooms for this purpose. While the importance of a fast and stable internet connection is often prioritized, the acoustic design of seminar rooms is frequently overlooked. Poor acoustics, particularly excessive reverberation, can lead to issues such as misunderstandings, reduced speech intelligibility or cognitive and vocal fatigue. This pilot study investigates whether room acoustic interventions in a seminar room at Graz University of Technology support better communication in hybrid meetings. For this purpose, we recorded two groups of persons twice, once before and once after improving the acoustics of the room. Our findings -- despite not reaching statistical significance due to the small sample size - indicate clearly that our spatial interventions improve communicative success in hybrid meetings. To make the paper accessible also for readers from the speech communication community, we explain room acoustics background, relevant for the interpretation of our results.
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