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I.S. EN ISO 7779:2010

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

ACOUSTICS - MEASUREMENT OF AIRBORNE NOISE EMITTED BY INFORMATION TECHNOLOGY AND TELECOMMUNICATIONS EQUIPMENT
Available format(s)

Hardcopy , PDF

Superseded date

01-28-2019

Language(s)

English

Published date

01-01-2010

Preview

For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.

Only cited Standards give presumption of conformance to New Approach Directives/Regulations.

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Conformity requirements
5 Installation and operating conditions
6 Method for determination of sound power levels of
  equipment in reverberation test rooms
7 Method for determination of sound power levels of
  equipment under essentially free-field conditions
  over a reflecting plane
8 Method for determination of emission sound pressure
  levels at defined operator and bystander positions
9 Information to be recorded and reported
Annex A (normative) Test accessories
Annex B (normative) Measurement surfaces
Annex C (normative) Installation and operating conditions
        for specific equipment categories
Annex D (informative) Identification and evaluation of
        prominent discrete tones
Annex E (informative) Detection of impulsive noise
Bibliography

Defines procedures for measuring and reporting the noise emission of information technology and telecommunications equipment.

DevelopmentNote
Supersedes I.S. EN 27779. (09/2010)
DocumentType
Standard
Pages
77
PublisherName
National Standards Authority of Ireland
Status
Superseded
SupersededBy
Supersedes

ISO 12001:1996 Acoustics Noise emitted by machinery and equipment Rules for the drafting and presentation of a noise test code
ISO 3744:2010 Acoustics Determination of sound power levels and sound energy levels of noise sources using sound pressure Engineering methods for an essentially free field over a reflecting plane
ISO 389-7:2005 Acoustics Reference zero for the calibration of audiometric equipment Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions
ISO/TR 25417:2007 Acoustics Definitions of basic quantities and terms
IEC 60942:2003 Electroacoustics - Sound calibrators
ISO 266:1997 Acoustics — Preferred frequencies
ISO 9296:2017 Acoustics — Declared noise emission values of information technology and telecommunications equipment
ECMA 108 : 6ED 2016 DETERMINATION OF HIGH-FREQUENCY SOUND POWER LEVELS EMITTED BY INFORMATION TECHNOLOGY AND TELECOMMUNICATIONS EQUIPMENT
ISO 80000-8:2007 Quantities and units Part 8: Acoustics
ISO 9295:2015 Acoustics Determination of high-frequency sound power levels emitted by machinery and equipment
ISO 6926:2016 Acoustics Requirements for the performance and calibration of reference sound sources used for the determination of sound power levels
ISO 11203:1995 Acoustics — Noise emitted by machinery and equipment — Determination of emission sound pressure levels at a work station and at other specified positions from the sound power level
ISO 3741:2010 Acoustics Determination of sound power levels and sound energy levels of noise sources using sound pressure Precision methods for reverberation test rooms
ISO 3745:2012 Acoustics — Determination of sound power levels and sound energy levels of noise sources using sound pressure — Precision methods for anechoic rooms and hemi-anechoic rooms
IEC 61260:1995 Electroacoustics - Octave-band and fractional-octave-band filters
ECMA 109 : 7ED 2016 DECLARED NOISE EMISSION VALUES OF INFORMATION TECHNOLOGY AND TELECOMMUNICATIONS EQUIPMENT
ECMA/TR 27 : 2ED 95 METHOD FOR THE PREDICTION OF INSTALLATION NOISE LEVELS
ISO 11201:2010 Acoustics Noise emitted by machinery and equipment Determination of emission sound pressure levels at a work station and at other specified positions in an essentially free field over a reflecting plane with negligible environmental corrections

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