Time-frequency analysis of TEOAE signal

机译：Teoae信号的时频分析

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TEOAEs of 30 normal hearing and 25 hearing impaired human subjects were recorded and analyzed with a PC based system designed and installed in the authors' lab. The 3D visualized results of the time frequency analysis of TEOAE showed that the frequency components of normal hearing subjects were uniquely related to the stimulating sound and individually showed different time patterns. Moderate hearing loss at a certain frequency led to an intensity decrease at similar frequency components of TEOAE. Severe hearing losses eliminate TEOAE. Early TEOAE might be produced before 3 ms, even as early as 1 ms. This implied that the olivo-cochlear bundle was not involved in the initiation control of TEOAE. From research on the short time spectrum, time-frequency relations, and latencies of TEOAE, new approaches for revealing the mechanism of TEOAE can be reached.

机译：记录了30个正常听证和25个听力受损人类受试者的TeoAES并用基于PC的系统进行了记录和分析，该系统设计并安装在作者实验室中。 TeoAE时频分析的3D可视化结果表明，正常听诊器的频率分量与刺激声音唯一相关，并且单独地显示不同的时间模式。某种频率的中度听力损失导致Teoae类似频率分量的强度降低。严重的听力损失消除了Teoae。早期的Teoae可能在3毫秒之前生产，即使早1毫秒也是如此。这意味着Olivo-Cochlear Bundle没有参与Teoae的启动控制。从研究短时间谱，时频关系和TeoAE的延迟，可以达到揭示Teoae机制的新方法。

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《Annual International Conference of the IEEE Engineering in Medicine and Biology Society》|1998年||共3页
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Zhengguo Zhang; Jinsen Lin; Institute of Electric and Electronic Engineer;
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中图分类自动化技术、计算机技术;
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Time-frequency analysis of TEOAE signal

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