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本研究采用数字滤波分析（ＤＦＡ）和快速傅里叶变换（ＦＦＴ），观测了１５例（２０耳）听力正常人ＡＢＲ时域和频域参量的相关性：①当高频不断滤除时，Ⅳ、Ⅱ、Ⅲ波先后消失，至４００Ｈｚ时以Ⅰ、Ⅴ波为主；②ＡＢＲ频谱有三个主峰，中心频率分别为２２７±２４Ｈｚ（Ｆ１），５７５±２３Ｈｚ（Ｆ２）和１０１４±５４Ｈｚ（Ｆ３），对应的周期为４．６７±０．７４ｍｓ，１．７０±０．０６ｍｓ和０．９７±０．０５ｍｓ；③ＡＢＲ的Ⅰ－Ⅴ波间期为４．００±０．１０ｍｓ，Ⅰ－Ⅲ、Ⅲ－Ⅴ波间期均值为２．００±０．０５ｍｓ，Ⅰ－Ⅱ、Ⅱ－Ⅲ、Ⅲ－Ⅳ和Ⅳ－Ⅴ波间期均值为１．００±０．０３ｍｓ，对应的频率依次为２５０±７Ｈｚ，５００±１３Ｈｚ和１００１±２６Ｈｚ。
In this study, the digital filter analysis (DFA) and fast Fourier transform (FFT) were used to observe the correlation between ABR time domain and frequency domain parameters in 15 cases (20 ears) of hearing normal subjects: Ⅳ, Ⅱ and Ⅲ waves disappeared one after another, reaching Ⅰ and Ⅴ waves mainly at 400Hz; ② There are three main peaks in the spectrum of ABR with center frequencies of 227 ± 24Hz (F1), 575 ± 23Hz (F2) and 1014 ± 54Hz (F3) , Corresponding to the cycle 4.67 ± 0.74ms, 1.70 ± 0.06ms and 0.97 ± 0.05ms; ③ABR Ⅰ-Ⅴ wave interval of 4.00 ± 0.10ms, Ⅰ-Ⅲ, The average wave interval of Ⅲ-Ⅴ wave was 2.00 ± 0.05ms, and the mean wave lengths of Ⅰ-Ⅱ, Ⅱ-Ⅲ, Ⅲ-Ⅳ and Ⅳ-Ⅴ wave were 1.00 ± 0.03ms, and the corresponding frequencies were 250 ± 7Hz, 500 ± 13Hz and 1001 ± 26Hz.