For the "Landesministerium für Umwelt, Raumordnung and Landwirtschaft" of the Nordrhein-Westfalen a research project has been carried out concerning optimizing speech intelligibility and reducing environmental noise caused by sound systems in sports stadiums. A detailed analysis of eight stadiums (involving Delay Spectrometry and subjective ALC tests) shows a generally poor sound system performance, when checked against the maximum attainable speech intelligibility under the given circumstances, i.e. acoustics and crowd noise. Recommendations for improvement are given.

Authors: Rijk, Kees; Breuer, Franz; Peutz, Victor M.
Affiliation: Akustikberatung Peutz, Dusseldorf, W. Germany / Nijmegen, The Netherlands
AES Convention: 86 (March 1989) Paper Number: 2767
Publication Date: March 1, 1989
Subject: Sound Radiation (Sound Systems)

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