灵活的自动供电低分贝语音识别面具
Jianing Li1, Yating Shi1, Jianfeng Chen1
1Department of Physics, College of Physical Science and Technology, Research Institution for Biomimetics and Soft Matter, Xiamen University, Xiamen 361005, China.
Sensors (Basel, Switzerland)
|May 25, 2024
概括
一个新的面具集成的 triboelectric 纳米发电机 (TENG) 通过空气流振动捕获语音. 这使得在安静的环境中能够进行准确,谨慎的通信和扬声器识别.
科学领域:
- 收集能源 收集能源
- 可穿戴传感器 穿戴式传感器
- 信号处理 信号处理
背景情况:
- 在图书馆和会议室等环境中,沉默的沟通至关重要.
- 现有的对离散相互作用的方法是有限的.
- 需要一种不引人注目的语音捕捉技术.
研究的目的:
- 开发一种新的单电极,接触分离的 triboelectric 纳米发电机 (CS-TENG) 用于语音信号的获取.
- 将CS-TENG集成到一个面具中,用于不引人注目的数据收集.
- 通过先进的信号处理来实现准确的扬声器内容和身份识别.
主要方法:
- 制造一个稳定的高频CS-TENG.
- 将CS-TENG集成到面具上,以捕捉语音期间的空气流动振动.
- 应用短时间里叶变换 (STFT),Mel频率塞普斯特拉系数 (MFCC) 和深度学习用于信号分析.
- 使用处理的语音数据来识别演讲者内容和身份.
主要成果:
- CS-TENG显示了高频传感和长期稳定性.
- 通过空气流振动成功捕获了语音信号.
- 词汇识别准确度超过了92%.
- 发言人身份识别准确度超过了90%.
结论:
- 面具集成的CS-TENG系统可在安静的环境中实现安全和高效的不引人注目的通信.
- 这项技术在智能家居,虚拟助理和敏感环境中具有潜在的应用.
- 该系统为谨慎的人机交互提供了一种新的方法.
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