Stage acoustics, further development of parameter LQ7-40

L.C.J. Luxemburg, van, R.H.C. Wenmaekers, C.C.J.M. Hak, M. Kivits

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Since a few years a lot of research focussed for better understanding the acoustics on a stage of a concert hall for symphonic music with respect to the ease of playing ensemble and the way the conductor hears the orchestra. As a result of a study in Danish Concert halls dr A. Gade developed the Early and Late Support. These parameters seem very valid with respect of the musicians hearing themselves. To better understand the way musicians hear each other the LQ7-40 has been proposed, a parameter which compares the very early reflections with the late early and late reverberant sound. Measurements on a grid of source and receiver positions show how the sound energy is transferred over the stage from one musician to the other. In 10 concert halls these measurements have been carried out. For 7 Dutch halls the results of LQ7-40 have been presented at Internoise in Ottawa. The study with respect to these parameters is extended to different time windows. In this paper the results of this study will be presented. The benefit of the parameter to chart and fine tune the acoustics of a stage and orchestra pit will be elucidated as well as a proposal for the best time window to take into account.
Original languageEnglish
Title of host publicationProceedings of Internoise 2010 (Noise and sustainability), Lisbon, Portugal, June 2010
Publication statusPublished - 2010
Event39th International Congress on Noise Control Engineering (INTER-NOISE 2010) - Lisbon, Portugal
Duration: 13 Jun 201016 Jun 2010
Conference number: 39


Conference39th International Congress on Noise Control Engineering (INTER-NOISE 2010)
Abbreviated titleINTER-NOISE


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