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A Comment on the Importance of Low Frequency Airborne Sound Insulation between Dwellings

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Several research papers have appeared within the last couple of years, giving support to the statement that the frequency range from 100 Hz and up is sufficient for characterizing the airborne sound insulation between dwellings. This is quite surprising, because for several decades there has been a focus of the importance of including the low frequencies from 50–80 Hz in the measurement of airborne sound insulation, especially in order to deal with the reported annoyance from loud music with bass and from home cinemas with powerful bass sound.

The purpose of this paper is firstly to discuss the main purpose of a single-number quantity (SNQ) for characterizing the airborne sound insulation between dwellings. Secondly, some of the recent research papers are discussed with emphasis on the methodology and the results. In some cases it is found that the conclusion does not give a faithful picture of the results.
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Document Type: Short Communication

Publication date: 2017-01-01

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  • 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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