听觉模式识别中边缘频率的显著性增强

IF 1.7 4区 心理学 Q3 PSYCHOLOGY
Michel Bürgel, Diana Mares, Kai Siedenburg
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引用次数: 0

摘要

在音乐场景或纹理中,某些乐器发出的声音比其他乐器发出的声音更能吸引注意力,这暗示着对多源混合物的感知存在偏差。除了音乐因素外,这些效应可能与听觉感知中的频率偏差有关。我们利用听觉模式识别任务研究了这种频率偏差的存在。纯音旋律的混合物在六个频段中呈现。听者被要求评估目标旋律是否是混合物的一部分,目标旋律要么出现在混合物之前,要么出现在混合物之后。在实验 1 中,混合物始终包含六个频段中五个频段的旋律。在实验 2 中,混合旋律包含了三个频段,分别来自音域的低频段或高频段。不出所料,实验 1 和实验 2 都突出了呈现顺序的强烈影响,在混合物之前呈现的目标准确率更高。值得注意的是,实验 1 显示边缘频率比中心频率的准确率更高。实验 2 证实了这一发现,无论绝对频率区域如何,边缘频率的准确率都有所提高。我们的结果凸显了复杂音乐场景中位于频谱边缘的声音元素的显著性。总体而言,这意味着无论是之前研究中观察到的高音优势效应还是对低音乐器的不敏感性,都无法用听觉感知中的绝对频率偏差来解释。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Enhanced salience of edge frequencies in auditory pattern recognition.

Within musical scenes or textures, sounds from certain instruments capture attention more prominently than others, hinting at biases in the perception of multisource mixtures. Besides musical factors, these effects might be related to frequency biases in auditory perception. Using an auditory pattern-recognition task, we studied the existence of such frequency biases. Mixtures of pure tone melodies were presented in six frequency bands. Listeners were instructed to assess whether the target melody was part of the mixture or not, with the target melody presented either before or after the mixture. In Experiment 1, the mixture always contained melodies in five out of the six bands. In Experiment 2, the mixture contained three bands that stemmed from the lower or the higher part of the range. As expected, Experiments 1 and 2 both highlighted strong effects of presentation order, with higher accuracies for the target presented before the mixture. Notably, Experiment 1 showed that edge frequencies yielded superior accuracies compared with center frequencies. Experiment 2 corroborated this finding by yielding enhanced accuracies for edge frequencies irrespective of the absolute frequency region. Our results highlight the salience of sound elements located at spectral edges within complex musical scenes. Overall, this implies that neither the high voice superiority effect nor the insensitivity to bass instruments observed by previous research can be explained by absolute frequency biases in auditory perception.

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来源期刊
CiteScore
3.60
自引率
17.60%
发文量
197
审稿时长
4-8 weeks
期刊介绍: The journal Attention, Perception, & Psychophysics is an official journal of the Psychonomic Society. It spans all areas of research in sensory processes, perception, attention, and psychophysics. Most articles published are reports of experimental work; the journal also presents theoretical, integrative, and evaluative reviews. Commentary on issues of importance to researchers appears in a special section of the journal. Founded in 1966 as Perception & Psychophysics, the journal assumed its present name in 2009.
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