Abstract

This document specifies an engineering method for measuring the noise emitted by road vehicles of categories M and N by using a semi anechoic chamber with a dynamometer installed. The specifications are intended to achieve an acoustical correlation between testing the exterior noise of road vehicles in a semi anechoic chamber and outdoor testing as described in ISO 362-1. This document provides all necessary specifications and procedures for indoor testing to obtain results which are comparable to typical run-to-run variations of measurements in today's type approval tests. This document provides a method designed to meet the requirements of simplicity as far as they are consistent with the reproducibility of results under the operating conditions of the vehicle.

Begin

2022-10-05

Planned document number

DIN ISO 362-3

Project number

00101138

Responsible national committee

NA 001-01-05 AA - Measurement of sound exposition on road vehicles, including measurements inside the passenger compartment and at the workplace  

Responsible international committee

ISO/TC 43/SC 1/WG 42 - Joint ISO/TC 43/SC 1 - ISO/TC 22 WG: Measurement of noise emission (external) from road vehicles  

draft standard

Acoustics - Measurement of noise emitted by accelerating road vehicles - Engineering method - Part 3: Indoor testing M and N categories (ISO 362-3:2022); Text in German and English
2024-12
Order from DIN Media

previous edition(s)

Measurement of noise emitted by accelerating road vehicles - Engineering method - Part 3: Indoor testing M and N categories (ISO 362-3:2016)
2021-11

Order from DIN Media