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Initial Investigation into the Psychoacoustic Properties of Small Unmanned Aerial System NoiseFor the past several years, researchers at NASA Langley have been engaged in a series of projects to study the degree to which existing facilities and capabilities, originally created for work on full-scale aircraft, are extensible to smaller scales --those of the small unmanned aerial systems (sUAS, also UAVs and, colloquially, `drones') that have been showing up in the nation's airspace of late. This paper follows an e ort that has led to an initial human{subject psychoacoustic test regarding the annoyance generated by sUAS noise. This e ort spans three phases: 1. The collection of the sounds through field recordings. 2. The formulation and execution of a psychoacoustic test using those recordings. 3. The initial analysis of the data from that test. The data suggests a lack of parity between the noise of the recorded sUAS and that of a set of road vehicles that were also recorded and included in the test, as measured by a set of contemporary noise metrics. Future work, including the possibility of further human subject testing, is discussed in light of this suggestion.
Document ID
20170005870
Acquisition Source
Langley Research Center
Document Type
Conference Paper
Authors
Christian, Andrew
(NASA Langley Research Center Hampton, VA, United States)
Cabell, Randolph
(NASA Langley Research Center Hampton, VA, United States)
Date Acquired
June 29, 2017
Publication Date
June 5, 2017
Subject Category
Acoustics
Report/Patent Number
NF1676L-25753
Meeting Information
Meeting: AIAA Aviation Technology, Integration, and Operations Conference (AVIATION 2017)
Location: Denver, CO
Country: United States
Start Date: June 5, 2017
End Date: June 9, 2017
Sponsors: American Inst. of Aeronautics and Astronautics
Funding Number(s)
WBS: WBS 533127.02.15.07.01
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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