Applied Acoustics 139 (2018) 24–33 Contents lists available at ScienceDirect Applied Acoustics journal homepage: www.elsevier.com/locate/apacoust Eﬀects of the location of sound masking loudspeakers on cognitive performance in open-plan oﬃces: Local sound masking is as eﬃcient as conventional sound masking a, a,b b Tobias Renz , Philip Leistner , Andreas Liebl Institute for Acoustics and Building Physics, University of Stuttgart, Pfaﬀenwaldring 7, 70569 Stuttgart, Germany Fraunhofer Institute for Building Physics, Nobelstrasse 12, 70569 Stuttgart, Germany ARTIC L E I NF O ABSTRAC T Keywords: Sound masking is a well-known measure to reduce the detrimental impact of irrelevant background speech in Open-plan oﬃce open-plan oﬃces. However, the impact of the location of sound masking loudspeakers on the eﬃciency of Sound masking masking systems with regard to cognitive performance has not yet been evaluated. This aspect is particularly Cognitive performance important in decentralised sound masking architectures that enable individualised solutions but may depend Annoyance highly on spatial release from masking. This paper reports on a study in an open-plan oﬃce with laboratory-like Background speech conditions. The subjects performed a serial recall task and completed a questionnaire during twelve diﬀerent Oﬃce noise sound conditions with ﬁve diﬀerent loudspeaker sets. With regard to serial
Applied Acoustics – Elsevier
Published: Oct 1, 2018
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