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Wednesday, July 10 • 15:50 - 16:10
ON THE NUMERICAL MODELLING OF REVERBERANT ROOMS, INCLUDING A COMPARISON WITH EXPERIMENTS

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At low frequencies the acoustic field in a reverberation room is not diffuse, and it should therefore be modeled by means of a deterministic approach. In this work, a finite element model was developed to include the modal behavior of the room. Dissipation in the empty reverberation room is taken into account by means of a volumetric approach, using an explicit closed-form expression for the complex speed of sound, on the basis of standard reverberation time measurements. Comparisons with measurements in a reverberation room show that the transfer functions and impulse response functions can be predicted fairly well.

Moderators
EA

Edoardo Alessio Piana

PhD, University of Brescia
OR

Olivier Robin

Research professional, Groupe d'acoustique de l'université de Sherbrooke
avatar for Bert Roozen

Bert Roozen

prof.dr.ir., KU Leuven
CS

Chiara Scrosati

MSc in Physics, Construction Technologies Institute ITC of the National Research Council of Italy

Authors

Wednesday July 10, 2019 15:50 - 16:10 EDT
Westmount 4
  T08 Mat. for noise & vibr. cntrl., SS04 Chrctrz of ac materials