利用扫频音的刺激频率耳声发射实验研究
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国家自然科学基金项目(61771462);广州市科技计划项目(201803010093)

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A Study on Stimulus Frequency Otoacoustic Emissions Using Swept-Tone
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    摘要:

    耳声发射是一种可以被记录的弹性波能量,产生于耳蜗,可以用于检测耳蜗外毛细胞的健康 情况。目前,临床上使用的瞬态诱发耳声发射和畸变产物耳声发射各有优缺点,而该文研究的对象是一种比其他耳声发射应用更广泛的刺激频率耳声发射(Stimulus Frequency Otoacoustic Emissions, SFOAE)。因此,该文提出了一种基于扫频的 SFOAE 测量方法。所谓扫频是一种频率随时间线性变化的刺激声,利用其所测量的 SFOAE 频率范围更宽,而分辨率取决于扫频率。该文中,首先,采用三间隔范式产生 SFOAE,并用跟踪滤波器从背景噪声中提取扫频 SFOAE。其次,依次通过对相同实验对象在不同时间所测得结果、与传统方法结果和对不同扫描时间所测得结果进行对比,以验证扫频 SFOAE 的可靠性、兼容性和有效性。研究结果表明,所提出的 SFOAE 可以用于改进临床上现有的听力损失的检测方法。

    Abstract:

    Otoacoustic emissions (OAE) is a type of elastic wave energy produced in the cochlea, can be recorded and used to detect the health of the outer hair cells of the cochlea. At present, the transient evoked otoacoustic emissions (TEOAE) and the distortion product otoacoustic emissions (DPOAE) have their own advantages and disadvantages. The subject of this study is a much widely used stimulus frequency otoacoustic emissions (SFOAE) than other OAE. This paper presents a swept-based SFOAE measurement method. The so-called swept-tone is a kind of stimulus whose frequency changes linearly with time. The SFOAE frequency measured has a much wider range, and the resolution depends on the sweep frequency. The threeinterval paradigm was used to generate SFOAE, and the tracking filter can extract the swept SFOAE from the background noise. In this paper, the reliability, compatibility and effectiveness of the swept-tone based SFOAE are verified by comparing the results measured by the same subject at different times, comparing with the traditional methods and comparing the results measured at different scanning times. Experimental results show that the proposed SFOAE can be used to improve the detection methods clinically available for hearing loss.

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引文格式
汪 鑫,刘雪玉,姜言冰,等.利用扫频音的刺激频率耳声发射实验研究 [J].集成技术,2018,7(5):11-19

Citing format
WANG Xin, LIU Xueyu, JIANG Yanbing, et al. A Study on Stimulus Frequency Otoacoustic Emissions Using Swept-Tone[J]. Journal of Integration Technology,2018,7(5):11-19

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  • 在线发布日期: 2018-09-14
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