Weber D L, Patterson R D
J Acoust Soc Am. 1984 Mar;75(3):925-31. doi: 10.1121/1.390539.
We compare psychophysical tuning curves obtained with sinusoidal and narrow-band (50-Hz wide) noise maskers in both simultaneous and forward masking. In one experiment, we examine the effects of different combinations of duration and intensity of the 1-kHz sinusoidal signal. In a second experiment, we compare tuning curves obtained with a sinusoidal signal to those obtained with a noise signal. In both experiments, a narrow-band noise is a more effective simultaneous masker than a sinusoid for masker frequencies near the signal frequency. We argue that this is probably due to the use of different detection cues in the presence of sinusoidal and noise maskers, and that the greater masking produced by the noise is not simply due to its greater variability. As observed in other studies, tuning curves are narrower in forward masking than in simultaneous masking.
我们比较了在同时掩蔽和前掩蔽中，使用正弦波和窄带（50赫兹宽）噪声掩蔽器获得的心理物理调谐曲线。在一个实验中，我们研究了1千赫兹正弦波信号的不同持续时间和强度组合的影响。在第二个实验中，我们将用正弦波信号获得的调谐曲线与用噪声信号获得的调谐曲线进行比较。在两个实验中，对于靠近信号频率的掩蔽器频率，窄带噪声作为同时掩蔽器比正弦波更有效。我们认为，这可能是由于在存在正弦波和噪声掩蔽器时使用了不同的检测线索，并且噪声产生的更大掩蔽不仅仅是由于其更大的变异性。正如在其他研究中观察到的那样，前掩蔽中的调谐曲线比同时掩蔽中的更窄。
