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Effects of stimulus order on auditory distance discrimination of virtual nearby sound sources

Effects of stimulus order on auditory distance discrimination of virtual nearby sound sources


Title: Effects of stimulus order on auditory distance discrimination of virtual nearby sound sources
Author: Spagnol, Simone
Hoffmann, Rebekka
Kristjánsson, Árni
Avanzini, Federico
Date: 2017-04
Language: English
Scope: EL375-EL380
University/Institute: Háskóli Íslands
University of Iceland
School: Verkfræði- og náttúruvísindasvið (HÍ)
School of Engineering and Natural Sciences (UI)
Heilbrigðisvísindasvið (HÍ)
School of Health Sciences (UI)
Department: Iðnaðarverkfræði-, vélaverkfræði- og tölvunarfræðideild (HÍ)
Faculty of Industrial Eng., Mechanical Eng. and Computer Science (UI)
Sálfræðideild (HÍ)
Faculty of Psychology (UI)
Series: The Journal of the Acoustical Society of America;141(4)
ISSN: 0001-4966
1520-8524 (eISSN)
DOI: 10.1121/1.4979842
Subject: Heyrn; Hávaði; Hljóð; Áreiti; Stimulus; Sound; Loudness
URI: https://hdl.handle.net/20.500.11815/703

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Citation:

Spagnol, S., Hoffmann, R., Kristjánsson, Á., & Avanzini, F. (2017). Effects of stimulus order on auditory distance discrimination of virtual nearby sound sources. The Journal of the Acoustical Society of America, 141(4), EL375-EL380. doi:10.1121/1.4979842

Abstract:

Stimulus order has been reported to affect perceived loudness. This letter investigates how temporal order affects distance discrimination of receding and approaching pairs of sound sources rendered binaurally in the anechoic near-field. Individual discrimination thresholds for different virtual locations were measured through an adaptive procedure. The threshold values show a bias toward approaching stimuli for closer reference distances (≤50 cm) and toward receding stimuli for farther reference distances (100 cm), but only when absolute intensity cues are available. The results show how an illusion of loudness can translate into an illusion of perceived relative distance.

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