一种高性能,低功耗的研究助听器,采用高级可编程定制22nm FDSOI SoC
概括
一个新的后耳 (BTE) 助听器研究平台可以实现现实世界的算法测试. 这种轻量级的可编程设备可提供延长的电池寿命,以提高移动性和精确的听力学研究.
科学领域:
- 听力学 听力学是指听力学.
- 可穿戴技术是可穿戴的技术.
- 信号处理 信号处理
背景情况:
- 助听器算法的进步需要专门的研究平台.
- 现有的便携式解决方案缺乏后耳 (BTE) 形式因素,限制了移动性和数据准确性.
- 需要一个低功耗,可编程的BTE研究平台来进行现实世界的测试.
研究的目的:
- 开发和展示一个完全集成,功能和低功率的耳后助听器 (BTE) 听力研究平台.
- 为了实现高级算法研究的高级可编程性和无线连接性.
- 为了促进助听器算法与增强的用户移动性的现实世界的测试.
主要方法:
- 设计了一个5克,耳后 (BTE) 平台,集成双MEMS麦克风和扬声器.
- 嵌入式无线技术:近场磁感应 (NFMI) 和蓝牙低能耗 (BLE).
- 使用定制的,低功耗的22nm混合信号系统芯片 (SoC) 进行音频处理.
主要成果:
- 该平台实现了47mW的总功耗,提供了6小时的运行时间.
- 无线接口关闭后,功耗降至31mW,运行时间延长至9小时.
- 使用现实世界使用案例评估平台性能,包括动态压缩机.
结论:
- 拟议的研究助听器平台是便携式,BTE形状因子,适合在临床环境之外进行算法研究.
- 它的设计允许在不限制患者运动的情况下进行扩展性研究.
- 这个平台在现实环境中促进了更准确,更实用的听力学研究.
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