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Towards a low cost method for measuring the airborne sound insulation of partitions

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BS EN ISO 10140-2 outlines a method for estimating the airborne sound insulation of a partition using adjacent rooms. In this paper, a new method is presented by which the airborne sound insulation is obtained without the need for a transmission suite. Using a stand-alone partition, a representative blocked pressure field is applied numerically to a measured frequency response function matrix characterising the partition. The incident and transmitted powers are determined from the blocked pressure and velocity field on the source and receiver sides, respectively. Results of several partitions measured using the proposed methodology will be compared against estimates obtained according to BS EN ISO 10140-2.

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Document Type: Research Article

Affiliations: University of Salford

Publication date: 01 February 2023

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