Perceived Loudness of Sound Transmitted through Light Weight and Heavy Weight Walls

Monika Rychtáriková; Bert Roozen; Herbert Müllner; Mathias Stani; Vojtech Chmelík; Christ Glorieux

doi:10.4028/www.scientific.net/AMR.649.101

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 649Perceived Loudness of Sound Transmitted through...

Perceived Loudness of Sound Transmitted through Light Weight and Heavy Weight Walls

Abstract:

When assessing the sound insulation quality of buildings constructions, policy makers and investors typically demand for single number ratings and sound insulation classes that allow for easy ranking of building products. Converting the full frequency content of a precisely measured or calculated structure into a single number, which takes into account all aspects of the insulation performance in a balanced way, is a challenging task. The recently proposed draft standard 717 proposes to take into account also frequencies below 100 Hz. This makes the single value rating even more complicated, since the transmission spectra R (dB) of walls can be qualitatively very different above and below 100 Hz, and even more, since, particularly at low frequencies, human hearing depends not only on frequency but also on the absolute sound level. This article presents a comparison between masonry and light-weight walls with different R value, in terms of the perception of loudness of typical living room, traffic noise and machinery noise transmitted through the walls. The effect of temporal and spectral features of the presented stimuli on loudness perception is analyzed.

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Periodical:

Advanced Materials Research (Volume 649)

Pages:

101-104

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.649.101

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Online since:

January 2013

Authors:

Monika Rychtáriková, Bert Roozen, Herbert Müllner, Mathias Stani, Vojtech Chmelík, Christ Glorieux

Keywords:

Auralization, Building Acoustics, Lightweight Construction, Listening Test, Masonry Walls, Noise from Neighbours, Standardization, Subjective Perception

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References

[1] M. Rychtáriková, H. Mülner, M. Stani, V. Chmelík, C. Glorieux, Does the living noise spectrum adaptation of sound insulation match the subjective perception? Proceedings Euronoise 2012, Prague, Czech rep.

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[2] ISO 717-1:1996, "Acoustics - Rating of sound insulation in buildings and of buildings elements – Airborne sound insulation."

DOI: 10.3403/01139076u

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[3] ISO/TC 43/SC 2 N 1100: NWIP. ISO 16717-1 "Acoustics - Evaluation of sound insulation spectra by single-numbers - Part 1: Airborne sound insulation".

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