| Effects of frequency on free-field masking. | |
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MedLine Citation:
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PMID: 8851779 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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As three-dimensional auditory displays become more prevalent, there will be an increasing need to understand the interactions that can be expected among spatially separated sounds. A two-alternative, forced-choice, adaptive staircase procedure was used to measure the detectability of a 165-ms click-train signal masked by a continuous Gaussian noise, as a function of the spatial separation between the signal and the masker in the free field. Horizontal separations within the horizontal plane and vertical separations within the median plane were examined for low-, mid-, and high-frequency stimuli. Masking was reduced by as much as 18 dB when the signal and masker were separated horizontally. Sizable reductions in masking (6-9 dB) were also observed for vertical separations. The largest reductions in masking were observed for the high-frequency stimuli. The data are compared with the results of headphone-based studies of binaural masking. Implications for the design of auditory displays are considered. |
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Authors:
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R H Gilkey; M D Good |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S.; Research Support, U.S. Gov't, P.H.S. |
Journal Detail:
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Title: Human factors Volume: 37 ISSN: 0018-7208 ISO Abbreviation: Hum Factors Publication Date: 1995 Dec |
Date Detail:
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Created Date: 1996-12-17 Completed Date: 1996-12-17 Revised Date: 2007-11-14 |
Medline Journal Info:
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Nlm Unique ID: 0374660 Medline TA: Hum Factors Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 835-43 Citation Subset: IM; S |
Affiliation:
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Armstrong Laboratory, Wright-Patterson Air Force Base, Ohio, USA. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Adult Attention* Auditory Threshold Female Humans Orientation Perceptual Masking* Pitch Discrimination Psychoacoustics Sound Localization* Sound Spectrography |
| Grant Support | |
ID/Acronym/Agency:
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DC-00786/DC/NIDCD NIH HHS |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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