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1989
The report offers a survey on the sound insulation indices that are most widely used in building acoustics. Analyzed are also the procedures of obtaining the indices, especially the ISO 717 reference curve system in comparison with the direct calculation of the sound reduction by the dB(A)-method. On the basis of references, the two methods are seen to
Parmanen, Juhani, Sysiö, Pauli
openaire +1 more source
The report offers a survey on the sound insulation indices that are most widely used in building acoustics. Analyzed are also the procedures of obtaining the indices, especially the ISO 717 reference curve system in comparison with the direct calculation of the sound reduction by the dB(A)-method. On the basis of references, the two methods are seen to
Parmanen, Juhani, Sysiö, Pauli
openaire +1 more source
Sound insulation of lightweight extensive green roofs
Building and Environment, 2017Laurent Galbrun
exaly