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DIN ISO 9613-2:1999
Acoustics - Attenuation of sound during propagation outdoors - Part 2: General method of calculation (ISO 9613-2:1996)
The document describes a method for the predicative calculation of sound propagation outdoors. The method is based upon the one described in the guidelines VDI 2714 and VDI 2720 Blatt 1.
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Deutsches Institut für Normung [din]