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：使用在作者实验室中设计和安装的基于PC的系统，记录并分析了30名正常听力和25名听力受损的人类受试者的TEOAE。 TEOAE的时频分析的3D可视化结果表明，正常听力对象的频率成分与刺激声音唯一相关，并且分别显示不同的时间模式。在一定频率下的中度听力损失导致TEOAE的类似频率分量处的强度降低。严重的听力损失会消除TEOAE。可能在3 ms之前产生早期的TEOAE，甚至早在1 ms之前。这暗示了耳蜗-耳蜗束不参与TEOAE的起始控制。通过对TEOAE的短时频谱，时频关系和延迟的研究，可以找到揭示TEOAE机理的新方法。

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《Engineering in Medicine and Biology Society, 1998. Proceedings of the 20th Annual International Conference of the IEEE》|1998年|P.1520-1522|共3页
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Zhengguo Zhang; Jinsen Lin;
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中图分类无线电电子学、电信技术;
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Time-frequency analysis of TEOAE signal

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