Quantitative measure of multicomponents of otoacoustic emissions.
Quantitative measure of multicomponents of otoacoustic emissions.
复制标题
耳声发射多成分的定量测量。
DOI：
10.1016/s0165-0270(99)00187-9
复制
发表时间：
2000
影响因子：
3
通讯作者：
Parthasarathi,AA
中科院分区：
文献类型：
--
作者：
Ren,T;Nuttall,AL;Parthasarathi,AA
本研究建立了一种定量测量耳声发射多成分的方法.该方法是基于这样的基本原理，即如果声发射是来自耳蜗中不同位置的多分量的矢量和，则每个分量将显示延迟。所提出的方法包括以下步骤：（1）当发射频率被扫描时，测量发射的幅度和相位;（2）基于幅度和相位谱获得谱的真实的部分;以及（3）然后使用傅立叶变换来分析发射谱的真实的部分以提取多个分量。文中介绍了该方法的理论基础和实际操作步骤，并通过体外和体内试验验证了该方法的有效性。初步研究结果表明耳外电诱发耳声发射（EEOAE）是多成分的。
A method for quantitatively measuring measuring multicomponents of otoacoustic emissions (OAE) was developed in this study. The method is based on the rationale that, if the acoustic emission is a vector sum of multicomponents coming from different locations in the cochlea, each component will show a delay. The proposed method consists of the following steps: (1) the amplitude and phase of the emission is measured when the emission frequency is swept; (2) the real part of the spectrum is obtained based on the amplitude and phase spectra; and (3) the real part of the emission spectrum is then analyzed using a Fourier transform to extract the multiple components. The theoretical basis and practical procedure of this method are described, and in vitro and in vivo tests are used to demonstrate the validity of the method. Preliminary data demonstrate the multicomponents of the extracochlear electrically evoked otoacoustic emission (EEOAE).