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Overview ISO 11819-2:2017 - "Acoustics - Measurement of the influence of road surfaces on traffic noise - Part 2: The close‑proximity method" (CPX) specifies a standardized measurement procedure to e…
Overview ISO 11819-1:2023 - Acoustics: Measurement of the influence of road surfaces on traffic noise - Part 1: Statistical pass-by method (SPB) - defines a standardized way to compare traffic noise…