DS DS/EN ISO 15186-1
DS DSEN SO 15186-1 2003-OCT-23 Acoustcs - Measurement of sound nsulaton n buldngs and of buldng elements usng sound ntensty - Part 1 Laboratory measurements
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This standard specifies a sound intensity method to determine the sound reduction index. The method can be used as an alternative to ISO 140-3 and ISO 140-10 respectively. One important use is when the traditional ISO 140-3 method fails because of high flanking transmission.