Author: Gerretsen, Eddy

Source: Acta Acustica united with Acustica, Volume 92, Number 5, September/October 2006 , pp. 797-806(10)

Publisher: S. Hirzel Verlag

Abstract:

The reverberation time of an enclosed space is an important parameter to describe the acoustic quality in enclosed spaces. Mainly due to its simplicity Sabine's equation is normally used even though the considered situations seldom comply with its preconditions: regular room shape, regular distribution of absorption and not to much absorption. For certain groups of applications the prediction errors can be countered by adding empirical corrections, by applying specific interpretations of the input data or by modifications to the Sabine equation. For other applications more sophisticated modelling could be appropriate. But it would be very practical for many applications to have available an engineering type of prediction scheme for the reverberation time or the sound level distribution in enclosed spaces using well-known laboratory data as input. Possibilities for such prediction schemes are developed and discussed in this paper, as back ground information to the informative annexes to the European standard EN 12354, part 6.

Document Type: Research article

Publication date: 2006-09-01

More about this publication?

• Acta Acustica united with Acustica, published together with the European Acoustics Association (EAA), is an international, peer-reviewed journal on acoustics. It publishes original articles on all subjects in the field of acoustics, such as general linear acoustics, nonlinear acoustics, macrosonics, flow acoustics, atmospheric sound, underwater sound, ultrasonics, physical acoustics, structural acoustics, noise control, active control, environmental noise, building acoustics, room acoustics, acoustic materials, acoustic signal processing, computational and numerical acoustics, hearing, audiology and psychoacoustics, speech, musical acoustics, electroacoustics, auditory quality of systems. It reports on original scientific research in acoustics and on engineering applications. The journal considers scientific papers, technical and applied papers, book reviews, short communications, doctoral thesis abstracts, etc. In irregular intervals also special issues and review articles are published.
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