通过波纹噪声测量的频率分辨能力。

Frequency resolving power measured by rippled noise.

作者信息

Popov V V, Milekhina O N, Tarakanov M B

机构信息

Institute of Evolutionary Morphology and Animal Ecology, Russian Academy of Sciences, Moscow.

出版信息

Hear Res. 1994 Jul;78(1):31-40. doi: 10.1016/0378-5955(94)90041-8.

DOI:10.1016/0378-5955(94)90041-8

PMID:7961175

Abstract

Frequency resolving power (FRP) was measured in normal humans using rippled noise with a phase-reversal test. The principle of the test was to find the highest ripple density at which an interchange of mutual peak and trough position (the phase reversal) in the rippled spectrum is detectable. In the frequency range below 0.5 kHz FRP was found to be about 21 ripples per kHz when tested by both broad-band and narrow-band rippled noise. In the frequency range above 2 kHz, FRP measured by the narrow-band rippled noise was 22 to 23 relative units (relation of the noise central frequency to the ripple frequency spacing).

摘要

使用带相位反转测试的波纹噪声在正常人类中测量频率分辨能力（FRP）。该测试的原理是找到最高的波纹密度，在该密度下，波纹频谱中相互的波峰和波谷位置的互换（相位反转）是可检测的。在低于0.5 kHz的频率范围内，通过宽带和窄带波纹噪声测试时，FRP约为每千赫21个波纹。在高于2 kHz的频率范围内，通过窄带波纹噪声测量的FRP为22至23个相对单位（噪声中心频率与波纹频率间隔的关系）。