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On urban soundscape mapping: A computer can predict the outcome of soundscape assessments
Stockholm University, Faculty of Social Sciences, Department of Psychology, Perception and psychophysics.
Stockholm University, Faculty of Social Sciences, Department of Psychology, Perception and psychophysics.
2016 (English)In: Proceedings of the Inter-Noise 2016, 2016, 4725-4732 p.Conference paper, Published paper (Refereed)
Abstract [en]

The purpose of this study was to investigate whether or not a computer may predict the outcome of soundscape assessments, based on acoustic data only. It may be argued that this is impossible, because a computer lack life experience. Moreover, if the computer was able to make an accurate prediction, we also wanted to know what information it needed to make this prediction. We recruited 33 students (18 female; Mage = 25.4 yrs., SDage = 3.6) out of which 30 assessed how pleasant and eventful 102 unique soundscape excerpts (30 s) from Stockholm were. Based on the Bag of Frames approach, a Support Vector Regression learning algorithm was used to identify relationships between various acoustic features of the acoustics signals and perceived affective quality. We found that the Mel-Frequency Cepstral Coefficients provided strong predictions for both Pleasantness (R2 = 0.74) and Eventfulness (R2 = 0.83). This model performed better than the average individual in the experiment in terms of internal consistency of individual assessments. Taken together, the results show that a computer can predict the outcome of soundscape assessments, which is promising for future soundscape mapping.

Place, publisher, year, edition, pages
2016. 4725-4732 p.
Series
Inter-noise / International Conference on Noise Control Engineering, ISSN 0105-175X
Keyword [en]
soundscape mapping, machine learning, urban planning
National Category
Psychology
Research subject
Psychology
Identifiers
URN: urn:nbn:se:su:diva-138343ISBN: 978-3-939296-11-9 (print)OAI: oai:DiVA.org:su-138343DiVA: diva2:1066871
Conference
Inter-Noise 2016, 45th International Congress and Exposition on Noise Control Engineering, Towards a Quieter Future, Hamburg, Germany, 21–24 August 2016
Available from: 2017-01-19 Created: 2017-01-19 Last updated: 2017-02-16Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
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  • vancouver
  • Other style
More styles
Language
  • de-DE
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  • nn-NO
  • nn-NB
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