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Wednesday, July 10 • 15:30 - 15:50
PRINCIPLES AT THE BASIS OF THE DENORMS ROUND ROBIN TEST ON THE LOW FREQUENCY SOUND ABSORPTION MEASUREMENTS IN REVERBERATION ROOMS AND IMPEDANCE TUBE

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In recent years low frequency measurements in building and room acoustics fields gained attention. Moreover the low frequency sound absorption coefficient (below 100 Hz) has always been difficult to determine and the results coming from different laboratories cannot always be compared. This paper describes the principles at the basis of the round robin test carried out in the framework of the DENORMS cost action (Designs for Noise Reducing Materials and Structures). The same samples have been measured in reverberation rooms and in impedance tube by the different laboratories participating to the Round Robin Test.

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 15:30 - 15:50 EDT
Westmount 4
  T08 Mat. for noise & vibr. cntrl., SS04 Chrctrz of ac materials