The reverberation time of furnished rooms in dwellings

Díaz, César; González, Antonio Pedrero

doi:10.1016/j.apacoust.2004.12.002

Cited by 27 publications

(20 citation statements)

References 3 publications

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“…During the setup of the experiment, measurements were performed in compliance with ISO 3382 and ISO 18233. Measured reverberation times were compared to those reported by Diaz and Pedrero (2005), where an extensive measurement campaign was held in more than 3000 furnished living rooms in Madrid, Spain. The reverberation parameter used in the latter study was T20 for octave bands between 125 Hz and 4000 Hz.…”

Section: Setup Of the Test Room And Equipmentmentioning

confidence: 99%

Annoyance, detection and recognition of wind turbine noise

Renterghem

Bockstael

Weirt

et al. 2013

Science of The Total Environment

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Annoyance, recognition and detection of noise from a single wind turbine was studied by means of a two-stage listening experiment with 50 participants with normal hearing abilities. In-situ recordings made at close distance from a 1.8-MW wind turbine operating at 22 rpm were mixed with road traffic noise, and processed to simulate indoor sound pressure levels at L Aeq 40 dBA. In a first part, where people were unaware of the true purpose of the experiment, samples were played during a quiet leisure activity. Under these conditions, pure wind turbine noise gave very similar annoyance ratings as unmixed highway noise at the same equivalent level, while annoyance by local road traffic noise was significantly higher. In a second experiment, listeners were asked to identify the sample containing wind turbine noise in a paired comparison test. The detection limit of wind turbine noise in presence of highway noise was estimated to be as low as a signal-to-noise ratio of -23 dBA. When mixed with local road traffic, such a detection limit could not be determined. These findings support that noticing the sound could be an important aspect of wind turbine noise annoyance at the low equivalent levels typically observed indoors in practice. Participants that easily recognized wind-turbine(-like) sounds could detect wind turbine noise better when submersed in road traffic noise. Recognition of wind turbine sounds is also linked to higher annoyance. Awareness of the source is therefore a relevant aspect of wind turbine noise perception which is consistent with previous research.

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Section: Setup Of the Test Room And Equipmentmentioning

confidence: 99%

Annoyance, detection and recognition of wind turbine noise

Renterghem

Bockstael

Weirt

et al. 2013

Science of The Total Environment

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“…The typical reverberation time in a furnished room in a Finnish dwelling corresponds usually well to 0.5 s. The longer reverberation times were measured in old buildings where room height exceeds even 4 m. The measured reverberation times of furnished rooms in Finnish dwellings also corresponded to the values which have been measured in other countries [3,[31][32][33][34].…”

Section: Reverberation Times and Absorption Areasmentioning

confidence: 99%

Justification of standardized level differences in rating of airborne sound insulation between dwellings

et al. 2016

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“…Studies on residential buildings have been reported by Díaz et al They measured the reverberation times of 11,687 rooms targeting closed-space bedrooms, and living rooms [15]. Watanabe et al and Hanyu et al conducted auditory experiments on living room spaces and studied the impact of change in the average sound absorption coefficient on things such as "sense of luxury" and "preferences" [16,17].…”

Section: Introductionmentioning

confidence: 99%

Experimental Study on Use of Sound Absorption Treatment for Reduction of Environmental Sound Propagation and Reverberation in Staircases: A Case Study in Housing

Matsuda¹,

Shimizu²,

Suminaga³

et al. 2017

Buildings

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Abstract:In recent years, many open-plan houses have been proposed not only for comfort reasons, but also as a place to engage in family life. However, in contrast to the fact that this kind of plan makes it easy for people to interact, the daily life household sounds that occur inside the home may be perceived as noise. It is especially difficult to suppress the propagation of sound and reverberation in staircase and stairwell areas due to the absence of sound-absorbing furniture. In this study, we focused on addressing sound management within the staircase area in open-plan housing where sound absorption is particularly difficult. In order to suppress sound propagation on the upper and lower floors and the reverberation of sound, we placed a thin sound absorption panel on the wall, ceiling, and riser of the staircase. As a result, we were able to confirm that the propagation of sound on upper and lower floors can be suppressed by carrying out the sound absorption treatment on the staircase. Furthermore, we found that in stairway landing areas, the suppression effect of the propagation of sound varies depending on the position of the sound source and the positioning of the sound absorption panel, and that there is a position for placing the sound absorption panel where the sound-absorbing effect is effective.

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The reverberation time of furnished rooms in dwellings

Cited by 27 publications

References 3 publications

Annoyance, detection and recognition of wind turbine noise

Annoyance, detection and recognition of wind turbine noise

Justification of standardized level differences in rating of airborne sound insulation between dwellings

Experimental Study on Use of Sound Absorption Treatment for Reduction of Environmental Sound Propagation and Reverberation in Staircases: A Case Study in Housing

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