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The role of the acoustic diffuser

The role of the acoustic diffuser, Total:45 items.

In the international standard classification, The role of the acoustic diffuser involves: Construction of railways, Products of the textile industry, Noise with respect to human beings, Acoustics and acoustic measurements, Road engineering, Installations in buildings, Pulps, Paper and board, Medical equipment.

British Standards Institution (BSI), The role of the acoustic diffuser

BS EN 16272-1:2012 Railway applications. Track. Noise barriers and related devices acting on airborne sound propagation. Test method for determining the acoustic performance. Intrinsic characteristics. Sound absorption in the laboratory under diffuse sound field conditions
BS EN 16272-2:2012 Railway applications. Track. Noise barriers and related devices acting on airborne sound propagation. Test method for determining the acoustic performance. Intrinsic characteristics. Airborne sound insulation in the laboratory under diffuse sound field co
BS EN 16272-3-1:2012 Railway applications. Track. Noise barriers and related devices acting on airborne sound propagation. Test method for determining the acoustic performance. Normalized railway noise spectrum and single number ratings for diffuse field applications
BS EN ISO 17624:2005 Acoustics - Guidelines for noise control in offices and workrooms by means of acoustical screens

Association Francaise de Normalisation, The role of the acoustic diffuser

NF F90-272-3-1*NF EN 16272-3-1:2012 Railway applications - Track - Noise barriers and related devices acting on airborne sound propagation - Test method for determining the acoustic performance - Part 3-1 : normalized railway noise spectrum and single number ratings for diffuse field applic
NF F90-272-2*NF EN 16272-2:2013 Railway applications - Track - Noise barriers and related devices acting on airborne sound propagation - Test method for determining the acoustic performance - Part 2: intrinsic characteristics - Airborne sound insulation in the laboratory under diffuse s
NF F90-272-1*NF EN 16272-1:2013 Railway applications - Track - Noise barriers and related devices acting on airborne sound propagation - Test method for determining the acoustic performance - Part 1: intrinsic characteristics - Sound absorption in the laboratory under diffuse sound fiel
NF S30-007-7:2006 Acoustics - Reference zero for the calibration of audiometric equipment - Part 7 : reference threshold of hearing under free-field and diffuse-field listening conditions.
NF Q03-059:1975 Paper, board and pulps . Use of the perfect reflecting diffuser as ultimate reference in the measurement of brightness and diffuse reflectance factor.
NF EN 15726:2011 Systèmes de ventilation pour les bâtiments - Diffusion d'air - Mesurages dans la zone d'occupation des pièces avec conditionnement d'air ou ventilation afin d'évaluer les conditions thermiques et acoustiques

Lithuanian Standards Office , The role of the acoustic diffuser

LST EN 16272-1-2013 Railway applications - Track - Noise barriers and related devices acting on airborne sound propagation - Test method for determining the acoustic performance - Part 1: Intrinsic characteristics - Sound absorption in the laboratory under diffuse sound fiel
LST EN 16272-2-2013 Railway applications - Track - Noise barriers and related devices acting on airborne sound propagation - Test method for determining the acoustic performance - Part 2: Intrinsic characteristics - Airborne sound insulation in the laboratory under diffuse s
LST EN 16272-3-1-2013 Railway applications - Track - Noise barriers and related devices acting on airborne sound propagation - Test method for determining the acoustic performance - Part 3-1: Normalized railway noise spectrum and single number ratings for diffuse field applica
LST EN 15726-2012 Ventilation for buildings - Air diffusion - Measurements in the occupied zone of air-conditioned/ventilated rooms to evaluate thermal and acoustic conditions

Danish Standards Foundation, The role of the acoustic diffuser

DS/EN 16272-1:2012 Railway applications - Track - Noise barriers and related devices acting on airborne sound propagation - Test method for determining the acoustic performance - Part 1: Intrinsic characteristics - Sound absorption in the laboratory under diffuse sound fiel
DS/EN 16272-2:2012 Railway applications - Track - Noise barriers and related devices acting on airborne sound propagation - Test method for determining the acoustic performance - Part 2: Intrinsic characteristics - Airborne sound insulation in the laboratory under diffuse s
DS/EN 16272-3-1:2012 Railway applications - Track - Noise barriers and related devices acting on airborne sound propagation - Test method for determining the acoustic performance - Part 3-1: Normalized railway noise spectrum and single number ratings for diffuse field applica
DS/EN 15726:2012 Ventilation for buildings - Air diffusion - Measurements in the occupied zone of air-conditioned/ventilated rooms to evaluate thermal and acoustic conditions

CEN - European Committee for Standardization, The role of the acoustic diffuser

EN 16272-1:2012 Railway applications - Track - Noise barriers and related devices acting on airborne sound propagation - Test method for determining the acoustic performance - Part 1: Intrinsic characteristics - Sound absorption in the laboratory under diffuse sound fiel
EN 16272-3-1:2012 Railway applications - Track - Noise barriers and related devices acting on airborne sound propagation - Test method for determining the acoustic performance - Part 3-1: Normalized railway noise spectrum and single number ratings for diffuse field applica

AENOR, The role of the acoustic diffuser

UNE-EN 16272-1:2013 Railway applications - Track - Noise barriers and related devices acting on airborne sound propagation - Test method for determining the acoustic performance - Part 1: Intrinsic characteristics - Sound absorption in the laboratory under diffuse sound fiel
UNE-EN 16272-2:2013 Railway applications - Track - Noise barriers and related devices acting on airborne sound propagation - Test method for determining the acoustic performance - Part 2: Intrinsic characteristics - Airborne sound insulation in the laboratory under diffuse s
UNE-EN 16272-3-1:2013 Railway applications - Track - Noise barriers and related devices acting on airborne sound propagation - Test method for determining the acoustic performance - Part 3-1: Normalized railway noise spectrum and single number ratings for diffuse field applica
UNE-EN 15726:2012 Ventilation for buildings - Air diffusion - Measurements in the occupied zone of air-conditioned/ventilated rooms to evaluate thermal and acoustic conditions

American Society for Testing and Materials (ASTM), The role of the acoustic diffuser

ASTM C1486-00 Standard Practice for Testing Chemical-Resistant Broadcast and Slurry-Broadcast Resin Monolithic Floor Surfacings

German Institute for Standardization, The role of the acoustic diffuser

DIN EN 16272-1:2013 Railway applications.Track.Noise barriers and related devices acting on airborne sound propagation.Test method for determining the acoustic performance.Part 1: Intrinsic characteristics.Sound absorption in the laboratory under diffuse sound field conditio
DIN EN 16272-2:2013 Railway applications - Track - Noise barriers and related devices acting on airborne sound propagation - Test method for determining the acoustic performance - Part 2: Intrinsic characteristics - Airborne sound insulation in the laboratory under diffuse s
DIN EN 16272-3-1:2013 Railway applications - Track - Noise barriers and related devices acting on airborne sound propagation - Test method for determining the acoustic performance - Part 3-1: Normalized railway noise spectrum and single number ratings for diffuse field applica
DIN EN 16272-1:2022 Railway applications - Infrastructure - Noise barriers and related devices acting on airborne sound propagation - Test method for determining the acoustic performance - Part 1: Intrinsic characteristics - Sound absorption in the laboratory under diffuse s
DIN EN 1793-1:2017 Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 1: Intrinsic characteristics of sound absorption under diffuse sound field conditions; German version EN 1793-1:2017
DIN EN 16272-1:2022-03 Railway applications - Infrastructure - Noise barriers and related devices acting on airborne sound propagation - Test method for determining the acoustic performance - Part 1: Intrinsic characteristics - Sound absorption in the laboratory under diffus...
DIN EN 15726:2011-12 Ventilation for buildings - Air diffusion - Measurements in the occupied zone of air-conditioned/ventilated rooms to evaluate thermal and acoustic conditions; German version EN 15726:2011
DIN EN ISO 389-7:2006 Acoustics - Reference zero for the calibration of audiometric equipment - Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions (ISO 389-7:2005); English version of DIN EN ISO 389-7:2006-04
DIN EN 15726:2011 Ventilation for buildings - Air diffusion - Measurements in the occupied zone of air-conditioned/ventilated rooms to evaluate thermal and acoustic conditions; German version EN 15726:2011
DIN EN 16272-2:2013-01 Railway applications - Track - Noise barriers and related devices acting on airborne sound propagation - Test method for determining the acoustic performance - Part 2: Intrinsic characteristics - Airborne sound insulation in the laboratory under diffus...
DIN EN ISO 389-7:2017 Acoustics - Reference zero for the calibration of audiometric equipment - Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions (ISO 389-7:2005 + Amd 1:2016); German version EN ISO 389-7:2005 + A1:2016

European Committee for Standardization (CEN), The role of the acoustic diffuser

EN 16272-2:2012 Railway applications - Track - Noise barriers and related devices acting on airborne sound propagation - Test method for determining the acoustic performance - Part 2: Intrinsic characteristics - Airborne sound insulation in the laboratory under diffuse s
EN 16272-4:2016 Railway applications - Track - Noise barriers and related devices acting on airborne sound propagation - Test method for determining the acoustic performance - Part 4: Intrinsic characteristics - In situ values of sound diffraction under direct sound fiel
EN ISO 9363-1:1999 Optics and Optical Instruments - Contact Lenses - Determination of Cytotoxicity of Contact Lens Material - Part 1: Agar Overlay Test and Growth Inhibition Test ISO 9363-1: 1994

Korean Agency for Technology and Standards (KATS), The role of the acoustic diffuser

KS I ISO 389-7:2014 Acoustics — Reference zero for the calibration of audiometric equipment — Part 7: Reference threshold of hearing under freefield and diffuse-field listening conditions
KS I ISO 389-7:2020 Acoustics — Reference zero for the calibration of audiometric equipment — Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions

KR-KS, The role of the acoustic diffuser

KS I ISO 389-7-2020 Acoustics — Reference zero for the calibration of audiometric equipment — Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions

International Organization for Standardization (ISO), The role of the acoustic diffuser

ISO 389-7:2019 Acoustics — Reference zero for the calibration of audiometric equipment — Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions
ISO 9363-1:1994 Optics and optical instruments - Contact lenses - Determination of cytotoxicity of contact lens material - Part 1: Agar overlay test and growth inhibition test

ESDU - Engineering Sciences Data Unit, The role of the acoustic diffuser

ESDU 72017 A-1990 Stress response of flat or singly-curved sandwich panels with cores of zero flexural stiffness subjected to random acoustic loading.