A Study of Wideband Absorbers in a Non-Environment Control Room: Characterisation of the Sound Field by Means of p-p Probe Measurements

Authors: Torres-Guijarro, Soledad; Pena, Antonio; Rodríguez-Molares, Alfonso; Degara-Quintela, Norberto

Source: Acta Acustica united with Acustica, Volume 97, Number 1, January/February 2011 , pp. 82-92(11)

Publisher: S. Hirzel Verlag

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Abstract:

Wideband absorbers are a fundamental part of non-environment control rooms, providing high absorption in all the frequency range. They consist of huge angled panels hanging in front of the rear wall, the side walls, and the ceiling. As a first step to understand their absorption mechanisms, the sound field in the vicinity of the wideband absorbers of the rear wall has been measured with a p-p intensity probe in the control room at the 'Universidade de Vigo'. The characteristics of the sound field in the proximity of the rear wall will be discussed on the basis of the analysis of the pressure, particle velocity and intensity measurements.

Document Type: Research Article

DOI: http://dx.doi.org/10.3813/AAA.918389

Publication date: January 1, 2011

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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