Lin chuang er bi yan hou ke za zhi = Journal of clinical otorhinolaryngology · 2003
[A study on the correlation between distortion product otoacoustic emissions and transient evoked otoacoustic emissions].
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Xue Xijun, Zhong Naichuan
Аннотация
OBJECTIVE: To study the characteristic and correlation of distortion product otoacoustic emissions and transient evoked otoacoustic emissions.
METHOD: Contrast Band SNR and Band response amplitude of TEOAE with 2f1-f2 amplitude and SNR of DPOAE were investigated in states before or after noise exposure with or without contralateral suppression(CS) in 20 (40 ears) normal otologic youth volunteer subjects.
RESULT: Although evoked by different acoustic stimulus and showed various characteristics of patterns respectively, DPOAE and TEOAE had a good correlation between their measuring values at most adjacent frequencies thus formed certain value relation.
CONCLUSION: TEOAE measurement is save time and superior in middle frequency range while DPOAE measurement is better frequency specific and superior in the higher frequency. Between their amplitude and SNR there were good correlations so significant linear regression parameters can be obtained. According to these mentioned above they could be selected and used, moreover, make up a deficiency each other in scientific research and clinical practice.
METHOD: Contrast Band SNR and Band response amplitude of TEOAE with 2f1-f2 amplitude and SNR of DPOAE were investigated in states before or after noise exposure with or without contralateral suppression(CS) in 20 (40 ears) normal otologic youth volunteer subjects.
RESULT: Although evoked by different acoustic stimulus and showed various characteristics of patterns respectively, DPOAE and TEOAE had a good correlation between their measuring values at most adjacent frequencies thus formed certain value relation.
CONCLUSION: TEOAE measurement is save time and superior in middle frequency range while DPOAE measurement is better frequency specific and superior in the higher frequency. Between their amplitude and SNR there were good correlations so significant linear regression parameters can be obtained. According to these mentioned above they could be selected and used, moreover, make up a deficiency each other in scientific research and clinical practice.