NDLI: Pilot workload and speech analysis: a preliminary investigation

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Pilot workload and speech analysis: a preliminary investigation

Content Provider	NASA Technical Reports Server (NTRS)
Author	Begault, Durand R. Christopher, Bonny R. Bittner, Rachel M.
Copyright Year	2013
Description	Prior research has questioned the effectiveness of speech analysis to measure the stress, workload, truthfulness, or emotional state of a talker. The question remains regarding the utility of speech analysis for restricted vocabularies such as those used in aviation communications. A part-task experiment was conducted in which participants performed Air Traffic Control read-backs in different workload environments. Participant's subjective workload and the speech qualities of fundamental frequency (F0) and articulation rate were evaluated. A significant increase in subjective workload rating was found for high workload segments. F0 was found to be significantly higher during high workload while articulation rates were found to be significantly slower. No correlation was found to exist between subjective workload and F0 or articulation rate.
File Size	250635
Page Count	6
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_20130013791
Archival Resource Key	ark:/13960/t1dk0f28s
Language	English
Publisher Date	2013-05-04
Access Restriction	Open
Subject Keyword	Behavioral Sciences Physical Work Articulation Speech Pilot Performance Workloads Psychophysiology Stress Psychology Air Traffic Control Mental Performance Auditory Perception Voice Communication Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Article

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