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Thursday, July 11 • 09:40 - 10:00
ACOUSTIC SCREENS EFFECT ON THE ACOUSTIC PROPERTIES OF OPEN PLAN OFFICES – A CASE STUDY BASED ON COMPUTATIONAL RESEARCH

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Open plan offices require special acoustic properties. The requirements for them are given in EN ISO 3382-3:2012. These requirements are determined by the speech transmission index STI (distraction distance and privacy distance) and the A-weighted sound pressure level of speech (A-weighted sound pressure level of speech at a distance of 4 m and the spatial decay rate of speech). In order to obtain the required acoustic properties of open plan offices, it is necessary to apply technical solutions affecting the reverberation and speech sound propagation in the room. Technical solutions having the greatest impact on the fulfillment of the above the requirements are: sound-absorbing materials (applied on the walls and floor of the room and used in suspended ceilings), acoustic screens and sound-masking systems. Until now, most open plan offices do not meet the requirements of EN ISO 3382-3:2012. The article presents research results regarding the acoustic screens effect on the acoustic properties of an open plan office. The research was carried out in a room with typical dimensions for open plan offices with sound absorption that meets the requirements of the Polish standard PN-B-02151-4: 2015 (sound absorption of the room equal to or larger than 1.1 m2 relative to 1 m2 of the floor). Acoustic screens with different heights, different absorption coefficients and different location in the room have been taken into account. The analysis was carried out with the calculation method using the ODEON software.


Thursday July 11, 2019 09:40 - 10:00 EDT
St-Laurent 8
  T11 Room & build. acoustics, RS01 Building acoustics