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Application of free sorting tasks to sound quality experiments

机译:免费分类任务在音质实验中的应用

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摘要

In many studies devoted to the sound quality of industrial products, a perceptual space is determined through dissimilarity judgements on pairs of stimuli. A drawback of this procedure is that it can be very time consuming if the number of stimuli is large. An alternative procedure consists in a free sorting of sounds: averaging individual results provides a set of data which are considered as indicators of dissimilarities and analyzed using a multi-dimensional scaling method. The validity of this alternative can be discussed, as the psychological processes involved in the two procedures are different. This study compared these two approaches in a particular case (door closure sounds). In this specific case, it was observed that dissimilarities obtained from the two procedures can be different, the more so as sounds are dissimilar and these differences can lead to slightly different perceptual spaces. Nevertheless, a free sorting experiment is a reliable way of reducing the number of stimuli in a large set of sounds. It allows selecting some representative sounds and narrowing the set of sounds while keeping in the subset most of the timbre features. This provides a useful preliminary step to a paired-comparison experiment.
机译:在许多致力于工业产品音质的研究中,通过对刺激的不相似性判断来确定感知空间。该过程的缺点在于,如果刺激的数量很大,则可能非常耗时。另一种方法是对声音进行自由排序:将单个结果平均可以提供一组数据,这些数据被视为差异的指标,并使用多维缩放方法进行了分析。可以讨论此替代方法的有效性,因为这两个过程涉及的心理过程是不同的。这项研究在特定情况下(门关闭声音)比较了这两种方法。在这种特定情况下,观察到从两个过程中获得的差异可能会有所不同,随着声音的不同,差异也会更大,这些差异会导致感知空间略有不同。但是,免费分类实验是减少大量声音中刺激数量的可靠方法。它允许选择一些代表性声音并缩小声音范围,同时保留大部分音色特征。这为配对比较实验提供了有用的初步步骤。

著录项

  • 来源
    《Applied Acoustics》 |2012年第1期|p.61-65|共5页
  • 作者

    Etienne Parizet; Vincent Koehl;

  • 作者单位

    Laboratoire Vibrations Acoustique, Insa-Lyon, 25 bis avenue Jean Capelle, 69621 Villeurbanne Cedex, France;

    Universite de Brest, LISyC EA 3883, Centre Europeen de Realite Virtuelle, 25 rue Claude Chappe. 29280 Plouzane, France;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    sound quality; free sorting experiments;

    机译:音质免费分类实验;

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