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A point-wise artifact rejection method for estimating transient-evoked otoacoustic emissions and their group delay
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A point-wise artifact rejection method for estimating transient-evoked otoacoustic emissions and their group delay

Chieh-Hsi FangYi-Wen Liu
JASA Express Letters, 卷.2(2), 024401
02/2022

摘要

Acoustics and Ultrasonics Music Arts and Humanities (miscellaneous)
Due to its low intensity, measurement of transient-evoked otoacoustic emission (TEOAE) requires repeated stimulation. When any acoustic artifact occurs, an entire click interval is typically abandoned. Here, a point-wise artifact rejection strategy is proposed, and it partially preserves the data when artifacts occur in an interval. At the noisiest setting (−46 dB signal-to-noise ratio) the proposed strategy retains four times more data and thereby reduces the root mean square signal estimation error by over 60%. Consequently, the group delay can be calculated more accurately. These findings might facilitate TEOAE measurement at home or in other noisy environments in the future.

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https://doi.org/10.1121/10.0009393檢視
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