Application of free sorting tasks to sound quality experiments

Etienne Parizet 1, * Vincent Koehl 2
* Auteur correspondant
Lab-STICC - Laboratoire des sciences et techniques de l'information, de la communication et de la connaissance
Abstract : 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.
Type de document :
Article dans une revue
Applied Acoustics, Elsevier, 2012, 73 (1), pp.61-65. 〈10.1016/j.apacoust.2011.07.007〉
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Soumis le : lundi 29 août 2011 - 11:29:43
Dernière modification le : mercredi 28 février 2018 - 15:20:11
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Etienne Parizet, Vincent Koehl. Application of free sorting tasks to sound quality experiments. Applied Acoustics, Elsevier, 2012, 73 (1), pp.61-65. 〈10.1016/j.apacoust.2011.07.007〉. 〈hal-00617477〉



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