Tag: reverberation time

Good acoustics and air quality combine to increase student concentration, well being and learning conditions

Good classroom design works as a 3rd Pedagogue! In a post-Covid world this applied study has become even more relevant to ensure sustainable teaching and learning environments. This research carried out by University of Bremen ISF – Institute for interdisciplinary School Research into the impact of improving ventilation was based on previous studies (Bremen III) […]

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About Sound 195 Educational Environments 178 Research 163

Combination of Absorbers and Diffusers – An Experimental Study in a Classroom

This study provides information on how different acoustic treatments can be used to obtain different room acoustic qualities, and can be used to improve and fine-tune the room acoustic parameters for better speech and listening conditions in classrooms. The background overview The most common acoustical treatment in ordinary classrooms is a suspended sound absorbing ceiling. […]

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About Sound 195 Educational Environments 178 Research 163

Input data – how do we predict room acoustics?

Calculation tools Recently a new acoustic calculation tool has been published. It is based on Air Flow Resistance (AFR) and calculates several room acoustic descriptors. This article aims to explain why calculations based on the Sabine equation are not always the whole truth. Background – Sabine and ISO 3382-1/2 A long tradition of research shows […]

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Acoustic Standards 77 Acoustics miscellaneous 220 Research 163