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ISO 5128:2023

Current Revision

Acoustics - Measurement of interior vehicle noise

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This document specifies an engineering method for measuring the interior sound of road vehicles of categories M and N under typical driving conditions. It does not apply to agricultural tractors and field machinery.

It specifies the conditions for obtaining reproducible and comparable measurements of sound pressure levels inside a vehicle.

These measurements are used to obtain a representative average sound level during a typical driving cycle to enable assessment of adverse effects on human health.

The results can be used for

—    standardized assessment of interior sound for comparisons (e.g. benchmark, consumer information programs),

—    verification tests, to decide whether or not the sound inside the vehicle is in accordance with specifications,

—    regulatory purposes, for example for evaluation of sound in relation to labour or for general health standards, and

—    monitoring tests, in order to check that the sound inside the vehicles has not changed since delivery, or between individual units of a consignment of vehicles.

This document does evaluate the exposure to interior sound of vehicles in a way as it is commonly used for scientific effects on human health.

It does not assess maximum interior sound of a vehicle under extreme driving situations, as today’s measured maximum sound pressure levels inside vehicles are far away from the risk to create instantaneous hearing damages.


SDO ISO: International Organization for Standardization
Document Number ISO 5128
Publication Date Not Available
Language en - English
Page Count
Revision Level
Supercedes
Committee ISO/TC 43/SC 1
Publish Date Document Id Type View
Not Available ISO 5128:2023 Revision