Abstract
Nowadays EN 1793-5 and -6 allow acoustic measurements on noise barriers, what is essential for approving new installed noise barriers. This is increasingly done by National Authorities in many European countries. However, these methods require careful application by expert users, which result in lengthy and costly tests limiting their use. Therefore, there was a need for a quicker method that should be faster and easier to be applied on a larger part of the noise barrier, even if with a broader uncertainty compared to the full standards. SOPRANOISE was European research funded by CEDR on simplified methods to characterize the in-situ acoustic performances of road and railway noise barriers: the present paper shows the main outcomes of the project, for non-experts in the field, some general information on the methods and diagrams of the results will be provided during the presentation.
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