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Cabin Noise Effects on Passengers' In-flight Activities: Communication and Cognitive Performance

Quehl, J. und Pennig, S. und Müller, U. und Rolny, V. (2011) Cabin Noise Effects on Passengers' In-flight Activities: Communication and Cognitive Performance. 1st International :envihab Symposium, 2011-05-23 - 2011-05-24, Köln.

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Kurzfassung

Passengers’ comfort represents a key concept in the research on user acceptance of modern aircrafts. Aircraft cabin noise may interfere with passengers’ in-flight activities such as communication and cognitive performance and reduce comfort sensation. Experiments were performed in the acoustic laboratory at the DLR-Institute of Aerospace Medicine, Cologne (N=90) and in the aircraft cabin simulator Do728 at DLR-Göttingen (N=109). A 3 (SPL) x 3 (frequencies) design was applied to both studies. Frequencies were applied by the presentation of noise samples recorded at different seat locations in a real aircraft. For front and middle noises, levels of 66, 70, and 74 dB(A) were presented, for noises in the rear section levels of 70, 74, and 78 dB(A) were given. Communication interference was determined by subjective evaluations and the measurement of speech intelligibility of loudspeaker announcements (i.e. number of correctly understood words in the Oldenburg sentence test, Wagener et al., 1999) given at a constant level of 70 dB(A). Noise-induced performance effects were operationalized in the first study by using a three-minute version of a psychomotor vigilance task (PVT), a simple, high-signal-load reaction time test. Since the effect of cabin noise on the reaction times of the PVT was not significant, a three-minute computer version of the d2 test of attention (Brickenkamp, 2002) was designed for the second study. In both studies intelligibility decreased significantly with increasing sound pressure level. Words presented during cabin noise exposure to the front section were understood worse than in any other seat positions. Evaluations of the treatments with respect to subjective speech intelligibility verified this effect. Neither for the PVT nor for the d2 test of attention, a significant influence of sound pressure level and frequency was found by regression analysis.

elib-URL des Eintrags:https://elib.dlr.de/70268/
Dokumentart:Konferenzbeitrag (Poster)
Titel:Cabin Noise Effects on Passengers' In-flight Activities: Communication and Cognitive Performance
Autoren:
AutorenInstitution oder E-Mail-AdresseAutoren-ORCID-iDORCID Put Code
Quehl, J.julia.quehl (at) dlr.deNICHT SPEZIFIZIERTNICHT SPEZIFIZIERT
Pennig, S.sibylle.pennig (at) dlr.dehttps://orcid.org/0009-0003-1174-7257NICHT SPEZIFIZIERT
Müller, U.uwe.mueller (at) dlr.deNICHT SPEZIFIZIERTNICHT SPEZIFIZIERT
Rolny, V.NICHT SPEZIFIZIERTNICHT SPEZIFIZIERTNICHT SPEZIFIZIERT
Datum:2011
Open Access:Nein
Gold Open Access:Nein
In SCOPUS:Nein
In ISI Web of Science:Nein
Stichwörter:aircraft cabin noise, future aircraft design, passenger comfort, speech inelligibility, loudspeaker
Veranstaltungstitel:1st International :envihab Symposium
Veranstaltungsort:Köln
Veranstaltungsart:Andere
Veranstaltungsbeginn:23 Mai 2011
Veranstaltungsende:24 Mai 2011
HGF - Forschungsbereich:Luftfahrt, Raumfahrt und Verkehr
HGF - Programm:Luftfahrt
HGF - Programmthema:ATM und Flugbetrieb (alt)
DLR - Schwerpunkt:Luftfahrt
DLR - Forschungsgebiet:L AO - Luftverkehrsmanagement und Flugbetrieb
DLR - Teilgebiet (Projekt, Vorhaben):L - Faktor Mensch und Sicherheit in der Luftfahrt (alt)
Standort: Köln-Porz
Institute & Einrichtungen:Institut für Luft- und Raumfahrtmedizin > Flugphysiologie
Hinterlegt von: Sender, Alina
Hinterlegt am:08 Jul 2011 09:43
Letzte Änderung:24 Apr 2024 19:35

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