静态听觉干扰声如何影响对运动目标声的感知
Effect of an auditory static distractor on the perception of an auditory moving target
依据摘要，研究检验静态干扰声是否损害对旋转运动声源方向（顺时针与逆时针）的辨别，并降低方向辨别的“上限速度”（UL），结果支持这一假设。右侧干扰声与前方干扰声降低UL的效果相当；只有干扰声与目标声在前後辨别相关频段发生频谱重叠时，UL才显著下降。作者称这是理解干扰环境下多声源追踪的初步步骤，相关结果已发表于 J. Acoust. Soc. Am. 160(4)。
arXiv:2510.25119v4 Announce Type: replace Abstract: It is known that listeners lose the ability to discriminate the direction of motion of a revolving sound (clockwise vs counterclockwise) beyond a critical velocity ["the upper limit (UL)"], likely due to degraded front-back discrimination. Little is known about how this ability is affected by simultaneously present distractor sounds, despite the real-life importance of tracking moving sounds in the presence of distractors. We hypothesized that the presence of a static distractor sound would impair the perception of moving target sounds and reduce the UL and show that this is indeed the case. A distractor on the right was as effective as a distractor at the front in reducing the UL, despite the likely importance of resolving front-back confusions. By manipulating the spectral content of both the target and distractor, we found that the UL was significantly reduced only when the distractor spectrally overlaps with the target in the frequency range relevant for front-back discrimination. Our findings form the first steps toward a better understanding of the tracking of multiple sounds in the presence of distractors.
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来源：arXiv q-bio.NC 预印本 · arxiv.org