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SOE: Fachverband Physik sozio-ökonomischer Systeme

SOE 17: Social Systems, Opinion and Group Dynamics

SOE 17.6: Talk

Thursday, March 19, 2015, 10:45–11:00, MA 001

Analysis of correlations in the temporal distribution of public loudspeaker announcements — •Hubert Ceeh — Technische Universität München, Physik Department, Lehrstuhl E21, James-Franck-Straße, D-85748 Garching, Germany

Announcements over public loudspeakers serve the purpose of delivering urgent messages, warning signals and alarms. They are usually preluded by a distinct major triad so that loud activities and thinking processes can be interrupted and full attention is paid to the content of the announcement. This work aims to investigate the time structure of announcements and especially addresses the question if one announcement triggers another one within a short time frame. For this purpose announcements were detected by a real-time Fourier analysis of the ambient noise in a common open space office. In the analysis, correlations between the time tags of the announcements are sought and the temporal distribution is modelled by multi-exponential distributions based on Poisson statistics.

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