This document specifies methods for measuring tyre-to-road sound emissions from tyres fitted on rig that applies the tyre on a rotating drum under coast-by conditions (i.e. when the tyre is in free‑rolling, non‑powered operation).
The specifications are intended to achieve a correlation between results of testing the exterior noise of tyres in a semi anechoic chamber and outdoor testing as described in .
This document is applicable to passenger cars and light commercial vehicles tyres as defined in . It is not intended to be used to determine the sound contribution of tyres applying a torque, nor for the determination of traffic sound nuisance at a given location.
Status: PublishedPublication date: 2023-01
Edition: 1Number of pages: 38
Technical Committee: ISO/TC 31 Tyres, rims and valves
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