| Integration of acoustical information in the perception of impacted sound sources: the role of information accuracy and exploitability. | |
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MedLine Citation:
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PMID: 20364930 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Sound sources are perceived by integrating information from multiple acoustical features. The factors influencing the integration of information are largely unknown. We measured how the perceptual weighting of different features varies with the accuracy of information and with a listener's ability to exploit it. Participants judged the hardness of two objects whose interaction generates an impact sound: a hammer and a sounding object. In a first discrimination experiment, trained listeners focused on the most accurate information, although with greater difficulty when perceiving the hammer. We inferred a limited exploitability for the most accurate hammer-hardness information. In a second rating experiment, listeners focused on the most accurate information only when estimating sounding-object hardness. In a third rating experiment, we synthesized sounds by independently manipulating source properties that covaried in Experiments 1 and 2: sounding-object hardness and impact properties. Sounding-object hardness perception relied on the most accurate acoustical information, whereas impact-properties influenced more strongly hammer hardness perception. Overall, perceptual weight increased with the accuracy of acoustical information, although information that was not easily exploited was perceptually secondary, even if accurate. |
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Authors:
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Bruno L Giordano; Davide Rocchesso; Stephen McAdams |
Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Journal of experimental psychology. Human perception and performance Volume: 36 ISSN: 1939-1277 ISO Abbreviation: J Exp Psychol Hum Percept Perform Publication Date: 2010 Apr |
Date Detail:
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Created Date: 2010-04-06 Completed Date: 2010-06-28 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7502589 Medline TA: J Exp Psychol Hum Percept Perform Country: United States |
Other Details:
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Languages: eng Pagination: 462-76 Citation Subset: IM |
Copyright Information:
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Copyright 2010 APA, all rights reserved. |
Affiliation:
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Centre for Interdisciplinary Research in Music Media & Technology, Schulich School of Music, McGill University, Montr?al, Qu?bec, Canada. bruno.giordano@music.mcgill.ca |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Acoustic Stimulation Acoustics Adolescent Adult Auditory Perception* Auditory Threshold Differential Threshold Discrimination (Psychology) Female Humans Male Middle Aged Sound Sound Localization Young Adult |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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