1978年 ,Kemp首次在人耳外耳道内记录到一种声信号 ,称之为耳声发射 (otoacoustic emission,OAE)。二十多年来 ,OAE的研究及应用越来越受到重视 ,并不断深入。而商用仪器的问世仅始于1 988年 ,因此 ,对 OAE应有一个正确的认识。1　OAE为听力学的一个重要领域听力学是一门研究听 In 1978, Kemp first recorded an acoustic signal in the human ear canal, called otoacoustic emission (OAE). For more than two decades, the research and application of OAE have drawn more and more attention and been continuously deepened. The advent of commercial instruments only began in 1988, so there should be a correct understanding of the OAE. 1 OAE is an important area of ​​audiology audiology is a study