TY - JOUR
T1 - Quantitative measure of multicomponents of otoacoustic emissions
AU - Ren, T.
AU - Nuttall, A. L.
AU - Parthasarathi, A. A.
N1 - Funding Information:
We thank Professor Egbert de Boer for reading this manuscript and making valuable comments. This study was supported in part by research grant R01 DC 000141 and R03 DC03642 from the National Institute of Deafness and Other Communication Disorders, National Institutes of Health, and the research grants from the American Otological Society, Medical Research Foundation of Oregon, and VA RR&D Center Grant RCTR-597-0160, Portland, VAMC.H.
PY - 2000/3/15
Y1 - 2000/3/15
N2 - 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). Copyright (C) 2000 Elsevier Science B.V.
AB - 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). Copyright (C) 2000 Elsevier Science B.V.
KW - Cochlea
KW - Digital signal processing
KW - Electrical stimulation
KW - Fourier transform
KW - Gerbil
KW - Otoacoustic emissions
KW - Time delay spectrometry
KW - Time-frequency analysis
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U2 - 10.1016/S0165-0270(99)00187-9
DO - 10.1016/S0165-0270(99)00187-9
M3 - Article
C2 - 10720673
AN - SCOPUS:0034653455
SN - 0165-0270
VL - 96
SP - 97
EP - 104
JO - Journal of Neuroscience Methods
JF - Journal of Neuroscience Methods
IS - 2
ER -