ÖNORM EN 1793-1:2017-05

Действует

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

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Ссылочные документы

ÖNORM EN 1793-3:1998-03

Действует

Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 3: Normalized traffic noise spectrum

ÖNORM EN ISO 354:2003-11

Действует

Acoustics - Measurement of sound absorption in a reverberation room (ISO 354:2003)

ISO 9613-1:1993

Действует

Acoustics; attenuation of sound during propagation outdoors; part 1: calculation of the absorption of sound by the atmosphere — 30 стр.

ÖNORM EN 1793-1:2013-01

Заменен

Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 1: Intrinsic characteristics of sound absorption

На этот документ ссылаются

ÖNORM EN 1793-1:2013-01

Заменен

Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 1: Intrinsic characteristics of sound absorption