Document Detail


Contribution of spectral cues to human sound localization.
MedLine Citation:
PMID:  12398464     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The contribution of spectral cues to human sound localization was investigated by removing cues in 1/2-, 1- or 2-octave bands in the frequency range above 4 kHz. Localization responses were given by placing an acoustic pointer at the same apparent position as a virtual target. The pointer was generated by filtering a 100-ms harmonic complex with equalized head-related transfer functions (HRTFs). Listeners controlled the pointer via a hand-held stick that rotated about a fixed point. In the baseline condition, the target, a 200-ms noise burst, was filtered with the same HRTFs as the pointer. In other conditions, the spectral information within a certain frequency band was removed by replacing the directional transfer function within this band with the average transfer of this band. Analysis of the data showed that removing cues in 1/2-octave bands did not affect localization, whereas for the 2-octave band correct localization was virtually impossible. The results obtained for the 1-octave bands indicate that up-down cues are located mainly in the 6-12-kHz band, and front-back cues in the 8-16-kHz band. The interindividual spread in response patterns suggests that different listeners use different localization cues. The response patterns in the median plane can be predicted using a model based on spectral comparison of directional transfer functions for target and response directions.
Authors:
Erno H A Langendijk; Adelbert W Bronkhorst
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The Journal of the Acoustical Society of America     Volume:  112     ISSN:  0001-4966     ISO Abbreviation:  J. Acoust. Soc. Am.     Publication Date:  2002 Oct 
Date Detail:
Created Date:  2002-10-25     Completed Date:  2002-11-07     Revised Date:  2006-12-27    
Medline Journal Info:
Nlm Unique ID:  7503051     Medline TA:  J Acoust Soc Am     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1583-96     Citation Subset:  IM    
Affiliation:
TNO Human Factors Research Institute, Soesterberg, The Netherlands. erno.langendijk@philips.com
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MeSH Terms
Descriptor/Qualifier:
Adult
Auditory Perception / physiology*
Cues*
Female
Humans
Male
Models, Biological*
Sound Localization / physiology*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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