Effects of noise on transient-evoked oto-acoustic emission pass/fail criteria

被引：4
|
作者：
Yang, LP
Young, ST [1 ]
Kuo, TS
机构：
[1] Natl Yang Ming Univ, Inst Biomed Engn, Taipei 112, Taiwan
[2] Natl Taiwan Univ, Dept Elect Engn, Taipei, Taiwan
[3] Natl Taiwan Univ, Grad Inst Biomed Engn, Taipei, Taiwan
来源：
MEDICAL & BIOLOGICAL ENGINEERING & COMPUTING | 2002年 / 40卷 / 03期
关键词：
TEOAE; reproducibility; TEOAE level; corrected TEOAE level; pass/fail criteria;
D O I：
10.1007/BF02344208
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
This study investigated the effects of noise on typical transient-evoked oto-acoustic emission (TEOAE) pass/fail criteria. Different levels of synthesised noise were added to one TEOAE signal, to determine the relationship between the signal-to-noise ratio (SNR) and typical TEOAE parameters: reproducibility, TEOAE level and corrected TEOAE level. Results showed that, with the same TEOAE signal, if the SNR decreased from 19 dB to -7 dB, the means of estimated reproducibility decreased from 97% to 7%, and the means of estimated TEOAE levels were doubled. Only the means of estimated corrected TEOAE levels were relatively insensitive to SNR. The standard deviations of all TEOAE parameter estimators increased with decreasing SNR. With these results, this study proposed that each typical TEOAE parameter alone should not be taken as the absolute pass/fail criterion. A combination of the corrected TEOAE level and the reproducibility would be better.
引用
收藏
页码：278 / 281
页数：4
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