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通过大脑控制的增强听力,在多讲者环境中进行空间移动的对话
Vishal Choudhari1,2, Cong Han1,2, Stephan Bickel3,4
1Department of Electrical Engineering, Columbia University, New York, NY, 10027, USA.
Advanced science (Weinheim, Baden-Wurttemberg, Germany)
|September 9, 2024
概括
这项研究引入了一种先进的大脑控制的听力系统,用于在杂的环境中更好地理解语音. 它使用移动扬声器的听觉注意力解码来改善听力损失患者的助听器.
科学领域:
- 神经科学是一个神经科学.
- 听力学 听力学是指听力学.
- 信号处理 信号处理
背景情况:
- 听力损失在多人交谈环境中显著影响语音理解.
- 听觉注意力解码 (AAD) 使用神经信号来增强辅导语音.
- 现有的AAD研究经常使用简化,静止的说话者场景.
研究的目的:
- 开发和评估一个现实的脑控制辅助听力系统,用于具有挑战性的声环境.
- 将听觉注意力解码与先进的语音分离技术相结合.
- 为了改善听力损失的个体的语音可理解性和对话跟踪.
主要方法:
- 收集了来自三个神经外科患者的侵入性脑电图 (iEEG) 数据.
- 开发了一个系统,将AAD与双耳扬声器独立的语音分离模型结合起来.
- 模拟了一个现实的场景,在背景噪音中使用多个连续移动的扬声器.
主要成果:
- 综合系统成功地将谈话者分开,同时保留空间信息.
- 通过从分离模型中整合说话者轨迹,提高了AAD的准确性.
- 主观和客观评估证实了增强的语音可理解性和对话跟踪.
结论:
- 拟议的系统显示了现实世界助听听力应用的巨大潜力.
- 这种方法有效地解决了在动态,杂的环境中听觉注意力的挑战.
- 它代表了适应性听觉技术的实质性进步,用于日常的听觉体验.
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