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Normas DIN – AENOR
DIN ISO 16254:2020-02

DIN ISO 16254:2020-02

Acoustics - Measurement of sound emitted by road vehicles of category M and N at standstill and low speed operation - Engineering method (ISO 16254:2016); Text in German and English / Note: Date of issue 2020-01-10

Acoustique - Mesurage du bruit émis par les véhicules routiers de catégories M et N à l'arrêt et en fonctionnement à basse vitesse - Méthode d'expertise (ISO 16254:2016); Texte en allemand et anglais / Attention: Date de parution 2020-01-10

Akustik - Messungen für das von Straßenfahrzeugen abgestrahlte Geräusch der Klassen M und N im Stillstand und bei niedriger Fahrgeschwindigkeit - Messverfahren der Genauigkeitsklasse 2 (ISO 16254:2016); Text Deutsch und Englisch / Achtung: Erscheinungsdatum 2020-01-10

2020-02 /Active
Equivalencias internacionales:

ISO 16254 (2016-05)

This document is derived from ISO 362-1 and specifies an engineering method for measuring the sound emitted by M and N category road vehicles at standstill and low speed operating conditions. The specifications reproduce the level of sound which is generated by the principal vehicle sound sources consistent with stationary and low speed vehicle operating conditions relevant for pedestrian safety. The method is designed to meet the requirements of simplicity as far as they are consistent with reproducibility of results under the operating conditions of the vehicle. The test method requires an acoustic environment which is only obtained in an extensive open space. Such conditions usually exist during the following: - measurements of vehicles for regulatory certification; - measurements at the manufacturing stage; - measurements at official testing stations. The results obtained by this method give an objective measure of the sound emitted under the specified conditions of test. In addition, this International Standard provides an engineering method to measure the performance of external sound generation systems intended for the purpose of providing acoustic information to pedestrians on a vehicle's operating condition. This information provide objective criteria related to the external sound generation system's sound pressure level, frequency content, and changes in sound pressure level and frequency content as a function of vehicle speed. As such, these measures can provide pedestrians with information on the location, speed, acceleration, and deceleration behaviour of a vehicle.
Acoustic measurement, Acoustic testing, Acoustics, City traffic, Definitions, Environmental condition, Measurement, Measurement of airborne noise, Measuring techniques, Motor vehicles, Noise emission, Noise emissions, Noise measurement, Pavements (roads), Road transport, Road vehicles, Sound absorption, Specification (approval), Test path, Test route, Testing
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