测量集成压力水平的验证耳宽带实耳与合器差异测量
Matthew Urichuk1,2, David Purcell1,2,3, Prudence Allen1,2,3
1Faculty of Health Sciences, School of Communication Sciences and Disorders, Western University, London, Ontario, Canada.
International journal of audiology
|September 18, 2023
概括
使用集成压力水平 (IPL) 测量预测耳模宽带真耳对器差异 (wRECD) 的新方法显示出有希望的结果. 这种技术为传统的探针-麦克风方法提供了可靠的替代品,用于配备助听器.
科学领域:
- 听力学 听力学是指听力学.
- 声学 声学 在声学方面
- 助听器技术 助听器技术
背景情况:
- 精确测量真耳与合器的差异 (wRECD) 对于有效的助听器配件至关重要.
- 对于wRECD,传统的探针-麦克风方法可能是繁的,并且带宽受到限制.
- 集成压力水平 (IPL) 校准传感器为wRECD测量提供了一个潜在的替代方案.
研究的目的:
- 通过使用IPL校准的传感器验证预测耳模 wRECD 的新型测量.
- 评估声学测量管道长度校正对wRECD测量的影响.
- 为了比较建议的预测耳IPL wRECD程序与传统的耳声压水平 (SPL) wRECD测量.
主要方法:
- 22名听力正常的成年人参与了这项研究.
- 单侧耳SPL wRECD和预测耳IPL wRECD用不同的助听器管长度进行测量.
- 声学管长度校正被纳入了IPL wRECD测量程序.
主要成果:
- 探针麦克风和预测的耳IPL wRECD测量在500和2500Hz之间没有发现显著差异.
- 在5000Hz以上,预测的耳IPL wRECD超过了耳SPL wRECDs.
- 与耳型SPL wRECD相比,IPL wRECD测量显示出更高的测试-重新测试可靠性,特别是在更高的频率下.
- 声学管道长度校正有效考虑了耳模声学效应.
结论:
- 基于IPL的wRECD测量是一种可行且有前途的替代探针-麦克风方法.
- 预测的耳形IPL wRECD,测量时没有探针-麦克风放置,显示与SPL wRECDs的良好一致.
- 预计这种方法将扩大wRECD的有效测量带宽,提高助听器的配合精度.
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