Extraction of otoacoustic distortion product sources using pulse basis functions

被引：17

作者：

Zelle, Dennis ^{[1
]}

Gummer, Anthony W. ^{[1
]}

Dalhoff, Ernst ^{[1
]}

机构：

[1] Univ Tubingen, Dept Otolaryngol, Sect Physiol Acoust & Commun, D-72076 Tubingen, Germany

来源：

JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA | 2013年 / 134卷 / 01期

关键词：

2-SOURCE INTERFERENCE; THRESHOLD ESTIMATION; FINE-STRUCTURE; EMISSIONS; ONSET; MODEL;

D O I：

10.1121/1.4809772

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

Distortion product otoacoustic emissions (DPOAEs) acquired in normal-hearing subjects show considerable variation in amplitude with varying frequency. This is known as DPOAE fine structure. It is widely accepted that fine structure results from wave interference from two DPOAE sources, a non-linear generation component and a coherent reflection component. Here a method is presented that decomposes short-pulse DPOAE recordings into pulse basis functions and enables the quantification of both source components in the time domain, independent of their relative phase and at low cost of measurement time. Input-output functions utilizing the extracted primary-source component are analyzed. (C) 2013 Acoustical Society of America

引用

页码：EL64 / EL69

页数：6

共 12 条

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