Picton T W, Dauman R, Aran J M
J Otolaryngol. 1987 Jun;16(3):140-5.
The response of the human auditory system to a 40 Hz sinusoidal modulation of the frequency of a tone can be reliably recorded from the human scalp using Fourier analysis. With increasing intensity the amplitude of the response becomes larger and its phase delay shorter. The response amplitude is larger and the phase delay longer for lower carrier frequencies. The response may possibly become useful in the objective evaluation of frequency discrimination.
利用傅里叶分析可从人类头皮可靠地记录人类听觉系统对音调频率的40赫兹正弦调制的反应。随着强度增加，反应的幅度变大，相位延迟变短。对于较低的载波频率，反应幅度较大且相位延迟较长。该反应可能在频率辨别客观评估中变得有用。
