脉冲音与调制音的频率辨别

Frequency discrimination for pulsed versus modulated tones.

作者信息

Fastl H

出版信息

J Acoust Soc Am. 1978 Jan;63(1):275-7. doi: 10.1121/1.381725.

Abstract

Estimates of frequency discrimination for pulsed modulated tones were obtained by 11 observers at 350, 500, 1000, 4000, and 8000 Hz. At low frequencies, frequency DL's are larger for modulated than for pulsed tones; at 8000 Hz the contrary was found. Frequency DL's (difference limens) determined by different methods and procedures differed by a factor up to four; extreme individual frequency DL's, however, by a factor up to 27.

摘要

11名观察者分别在350、500、1000、4000和8000赫兹的频率下，对脉冲调制音的频率辨别能力进行了评估。在低频时，调制音的频率辨别阈比脉冲音的更大；而在8000赫兹时，情况则相反。通过不同方法和程序确定的频率辨别阈相差高达四倍；然而，个体之间的频率辨别阈差异则高达27倍。