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Dimensions Underlying the Perceived Similarity of Acoustic Environments
Stockholm University, Faculty of Social Sciences, Department of Psychology.
Number of Authors: 3
2017 (English)In: Frontiers in Psychology, ISSN 1664-1078, E-ISSN 1664-1078, Vol. 8, 1162Article in journal (Refereed) Published
Abstract [en]

Scientific research on how people perceive or experience and/or understand the acoustic environment as a whole (i.e., soundscape) is still in development. In order to predict how people would perceive an acoustic environment, it is central to identify its underlying acoustic properties. This was the purpose of the present study. Three successive experiments were conducted. With the aid of 30 university students, the first experiment mapped the underlying dimensions of perceived similarity among 50 acoustic environments, using a visual sorting task of their spectrograms. Three dimensions were identified: (1) Distinguishable-Indistinguishable sound sources, (2) Background-Foreground sounds, and (3) Intrusive-Smooth sound sources. The second experiment was aimed to validate the results from Experiment 1 by a listening experiment. However, a majority of the 10 expert listeners involved in Experiment 2 used a qualitatively different approach than the 30 university students in Experiment 1. A third experiment was conducted in which 10 more expert listeners performed the same task as per Experiment 2, with spliced audio signals. Nevertheless, Experiment 3 provided a statistically significantly worse result than Experiment 2. These results suggest that information about the meaning of the recorded sounds could be retrieved in the spectrograms, and that the meaning of the sounds may be captured with the aid of holistic features of the acoustic environment, but such features are still unexplored and further in-depth research is needed in this field.

Place, publisher, year, edition, pages
2017. Vol. 8, 1162
Keyword [en]
soundscape, perceived similarity, acoustic environment, PCA, listening experiment
National Category
Psychology
Identifiers
URN: urn:nbn:se:su:diva-145912DOI: 10.3389/fpsyg.2017.01162ISI: 000405427400001OAI: oai:DiVA.org:su-145912DiVA: diva2:1134652
Available from: 2017-08-21 Created: 2017-08-21 Last updated: 2017-08-21Bibliographically approved

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CiteExportLink to record
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