NDLI: Annoyance due to multiple airplane noise exposure

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Annoyance due to multiple airplane noise exposure

Content Provider	NASA Technical Reports Server (NTRS)
Author	Powell, C. A.
Copyright Year	1980
Description	A laboratory study was conducted to investigate the annoyance effects of multiple aircraft noise exposure in which 250 subjects judged the annoyance of half-hour periods of airplane noise simulative of typical indoor home exposures. The variables of the aircraft noise exposure were the peak noise level of flyovers, which was constant within each period, and the number of flyovers. Each subject judged 5 of the possible 25 factorial combinations of level and number. Other variables investigated included the experience of the test subjects in making annoyance judgments and their home exposure to airplane noise. The annoyance judgments increased with both noise level and number of flyovers. The increased annoyance produced by doubling the number of flyovers was found to be the equivalent of a 4 to 6 db increase in noise level. The sensitivity of the subjects to changes in both noise level and number of flyovers increased with laboratory experience. Although the means of the annoyance judgments made in the laboratory were found to decrease with the subjects' home exposure to aircraft noise, the subjects' sensitivities to changes in both level and number were unaffected by their home exposure.
File Size	1526662
Page Count	43
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19800020445
Archival Resource Key	ark:/13960/t19k95025
Language	English
Publisher Date	1980-08-01
Access Restriction	Open
Subject Keyword	Environment Pollution Psychoacoustics Urban Planning Noise Reduction Aircraft Noise Noise Intensity Human Reactions Human Factors Engineering Noise Pollution Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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