17/30359986 DC : 0
NA
Status of Standard is Unknown
BS EN ISO 7779 - ACOUSTICS - MEASUREMENT OF AIRBORNE NOISE EMITTED BY INFORMATION TECHNOLOGY AND TELECOMMUNICATIONS EQUIPMENT
Hardcopy , PDF
English
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 Measurement uncertainty
10 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
BS EN ISO 7779.
| Committee |
EH/1/4
|
| DocumentType |
Draft
|
| Pages |
76
|
| PublisherName |
British Standards Institution
|
| Status |
NA
|
| IEC 61183:1994 | Electroacoustics - Random-incidence and diffuse-field calibration of sound level meters |
| 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 28961:2012 | Acoustics — Statistical distribution of hearing thresholds of otologically normal persons in the age range from 18 years to 25 years under free-field listening conditions |
| 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 |
| ISO/IEC Guide 98-3:2008 | Uncertainty of measurement — Part 3: Guide to the expression of uncertainty in measurement (GUM:1995) |
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