声学功率流作为听力工具-猫眼课题宝

声学功率流作为听力工具

批准号：

6499974

负责人：

PATRICIA S JENG

金额：

$5.1万

依托单位：

MIMOSA ACOUSTICS

依托单位国家：

美国

项目类别：

财政年份：

1996

资助国家：

美国

项目状态：

已结题

起止时间：

1996-09-01 至 2002-05-31

来源：

https://reporter.nih.gov/project-details/6499974

关键词：

audiometry biomedical equipment development clinical biomedical equipment diagnosis design /evaluation ear disorder diagnosis hearing tests middle ear disorder sound sound frequency sound impedance

中文摘要

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英文摘要

Description: (From the applicant's abstract) A Power Flow analyzer (PFA) will be developed that will measure relative power absorption, pressure reflectance (magnitude and phase) and normalized acoustic impedance (both resistive and reactive components) of the human ear canal over a frequency range from 200 to 8,000 Hz. The accuracy of the PFA is expected to be within 2 dB of the reference values obtained by Voss and Allen (J. Acoust. Am. 95 372-384, 1994). Normative data for hearing screening will be obtained on neonates, infants, children and adults. The diagnostic potential of the device for evaluation of middle-ear pathologies will also be investigated. PROPOSED COMMERCIAL APPLICATION: NOT AVAILABLE

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