DIN EN 1793-1:2017 Edition

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Road traffic noise reducing devices – Test method for determining the acoustic performance – Part 1: Intrinsic characteristics of sound absorption under diffuse sound field conditions

Published By	Publication Date	Number of Pages
DIN	2017-07	28

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Categories: 17.140.30 - Noise emitted by means of transport, 93.080.30 - Road equipment and installations, DIN

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Description

This European Standard specifies the laboratory method for measuring the sound absorption of flat noise barriers or flat cladding for retaining walls or tunnels. It covers the assessment of the intrinsic sound absorption performance of roadside noise reducing devices that can reasonably be assembled inside the testing facility described in EN ISO 354. The test method in EN ISO 354 referred to in this European Standard is strictly valid only for plane absorbers; in particular, it excludes devices that act as weakly damped resonators. Some devices will depart significantly from these requirements and in these cases care is needed in interpreting the results. NOTE The test method in EN ISO 354 is based on measurements in a reverberation room where diffuse sound field conditions prevail. As a uniformly applicable method for the determination of the sound absorptive performance of noise reducing devices under free field conditions is still under development, the measurement results according to this European Standard are temporarily considered relevant for application on noise reducing devices in reverberant as well as in free field conditions.

Additional information

Published Code	DIN
Published By	Deutsches Institut für Normung
Publication Date	2017-07
Pages Count	28
Language	Germany
Descriptors	Acoustic absorption, Acoustic measurement, Acoustic properties and phenomena, Acoustics, Building acoustics, Characteristics, Construction, Diffuse, Laboratory testing, Measurement, Measuring techniques, Methods for measuring, Noise control, Noise control devices, Noise protection devices, Noise protection walls, Noise reduction, Properties, Reverberation, Roads, Sound absorption, Sound absorption coefficient, Sound energy, Sound fields, Sound sources, Testing, Traffic noise, Streets
File Size	4.6 MB
ICS Codes	17.140.30 - Noise emitted by means of transport 93.080.30 - Road equipment and installations

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DIN EN 1793-1:2017 Edition

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