在存在超前/滞后掩蔽器的情况下对高斯噪声目标进行双耳检测。

Binaural detection of a Gaussian noise target in the presence of a lead/lag masker.

作者信息

Braasch Jonas, Pastore M Torben

机构信息

School of Architecture, Rensselaer Polytechnic Institute, 110 8th Street, Troy, New York 12180, USA

出版信息

J Acoust Soc Am. 2018 Jan;143(1):EL49. doi: 10.1121/1.5021798.

DOI:10.1121/1.5021798

原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7559744/

Abstract

Masked detection thresholds were measured for a noise target in the presence of a masker composed of (1) a lead/lag noise pair with the lead interaural time difference (ITD) set the same or opposite to the target, (2) a diotic masker, and (3) a dichotic pair of decorrelated noises. If the precedence effect actually eliminates a second, later arriving stimulus, a spatial release from masking would be expected when the lead ITD is opposite that of the target. Results for a range of lead/lag delays suggest that the precedence effect is not the result of a perceptual removal of the lag.

摘要

在存在掩蔽声的情况下，测量了噪声目标的掩蔽检测阈值，掩蔽声由以下组成：(1) 一个超前/滞后噪声对，超前耳间时间差 (ITD) 设置为与目标相同或相反；(2) 一个双耳掩蔽声；(3) 一对去相关的双耳噪声。如果优先效应实际上消除了第二个较晚到达的刺激，那么当超前 ITD 与目标相反时，预计会出现掩蔽的空间释放。一系列超前/滞后延迟的结果表明，优先效应不是对滞后进行感知消除的结果。

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