Measurement of swept level distortion product otoacoustic emission growth functions at multiple frequencies simultaneously.
Measurement of swept level distortion product otoacoustic emission growth functions at multiple frequencies simultaneously.
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DOI:
10.1121/10.0019578
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发表时间:
2023-06-01
影响因子:
1
通讯作者:
Goodman, Shawn. S. S.
中科院分区:
文献类型:
--
作者:
Glavin, Courtney Coburn;Dhar, Sumitrajit;Goodman, Shawn. S. S.
Otoacoustic emissions (OAEs) are low-level sounds generated by the inner ear that provide a non-invasive assessment of cochlear health. Advanced applications require recording OAEs across a wide range of frequencies and stimulus levels. Detailed here is a method for efficiently measuring distortion product otoacoustic emissions (DPOAEs) across an expansive stimulus space. Specifically, DPOAEs are recorded by sweeping the evoking stimuli in level across multiple frequencies simultaneously. This method generates DPOAE growth functions at multiple f2 frequencies in several minutes. Results indicate the swept level method yields DPOAEs equivalent to those measured in a traditional (discrete stimulus) paradigm, but with several advantages.
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