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UNI EN ISO 3741 : 2010

Current
Current

The latest, up-to-date edition.

ACOUSTICS - DETERMINATION OF SOUND POWER LEVELS AND SOUND ENERGY LEVELS OF NOISE SOURCES USING SOUND PRESSURE - PRECISION METHODS FOR REVERBERATION TEST ROOMS
Published date

25-11-2010

Publisher

Ente Nazionale Italiano di Unificazione (UNI)

PREMESSA
INTRODUZIONE
1 SCOPO E CAMPO DI APPLICAZIONE
2 RIFERIMENTI NORMATIVI
3 TERMINI E DEFINIZIONI
4 CONDIZIONI METEOROLOGICHE DI RIFERIMENTO
5 CAMERA DI PROVA RIVERBERANTE
6 STRUMENTAZIONE E ATTREZZATURA DI MISURAZIONE
7 DEFINIZIONE, POSIZIONAMENTO, INSTALLAZIONE E
   FUNZIONAMENTO DELLA SORGENTE DI RUMORE
   SOTTOPOSTA A PROVA
8 MISURAZIONI NELLA CAMERA DI PROVA RIVERBERANTE
9 DETERMINAZIONE DEI LIVELLI DI POTENZA SONORA E DEI
   LIVELLI DI ENERGIA SONORA
10 INCERTEZZA NELLA MISURAZIONE
11 INFORMAZIONI DA REGISTRARE
12 RAPPORTO DI PROVA
APPENDICE A (informativa) - LINEE GUIDA PER LA PROGETTAZIONE
            DELLE CAMERE RIVERBERANTI
APPENDICE B (informativa) - LINEE GUIDA PER LA PROGETTAZIONE
            DEI DIFFUSORI ROTANTI
APPENDICE C (normativa) - PROCEDURA DI QUALIFICAZIONE DELLA
            CAMERA DI PROVA RIVERBERANTE PER LA MISURAZIONE
            DEL SUONO AD AMPIO SPETTRO
APPENDICE D (normativa) - PROCEDURA DI QUALIFICAZIONE DELLA
            CAMERA DI PROVA RIVERBERANTE PER LA MISURAZIONE
            DI COMPONENTI DI FREQUENZE DISCRETE
APPENDICE E (informativa) - ESTENSIONE DELL'INTERVALLO DELLE
            FREQUENZE ALLE FREQUENZE MINORI DI 100 HZ
APPENDICE F (normativa) - CALCOLO DEI LIVELLI DI POTENZA SONORA
            E DEI LIVELLI DI ENERGIA SONORA DI BANDA DI OTTAVA,
            DEI LIVELLI DI POTENZA SONORA PONDERATI A E DEI
            LIVELLI DI ENERGIA SONORA PONDERATI A DAI LIVELLI
            DI BANDA DI TERZO DI OTTAVA
APPENDICE G (informativa) - LINEE GUIDA PER LO SVILUPPO DELLE
            INFORMAZIONI SULL'INCERTEZZA DI MISURAZIONE
APPENDICE ZA (informativa) - RAPPORTO TRA LA PRESENTE NORMA
             EUROPEA E I REQUISITI ESSENZIALI DELLA DIRETTIVA
             UE 2006/42/CE
BIBLIOGRAFIA

Describes methods for determining the sound power level or sound energy level of a noise source from sound pressure levels measured in a reverberation test room.

Committee
CT 2
DevelopmentNote
Supersedes UNI EN 23741 and UNI EN 23742. (07/2001) Bilingual (Italian + English) version issued in OCTOBER 2011. (10/2011)
DocumentType
Standard
PublisherName
Ente Nazionale Italiano di Unificazione (UNI)
Status
Current
Supersedes

Standards Relationship
UNE-EN ISO 3741:2011 Identical
BS EN ISO 3741:2009 Identical
SN EN ISO 3741:2011 Identical
I.S. EN ISO 3741:2010 Identical
NS EN ISO 3741 : 2010 Identical
NBN EN ISO 3741 : 2010 Identical
NEN EN ISO 3741 : 2010 Identical
DIN EN ISO 3741:2011-01 Identical
NF EN ISO 3741 : 2012 Identical
EN ISO 3741:2010 Identical
ISO 3741:2010 Identical

UNI TR 11326 : 2009 Acoustics - Evaluation of the uncertainty of measurements and calculations in acoustics - Parte 1: General concepts

ISO 7574-2:1985 Acoustics — Statistical methods for determining and verifying stated noise emission values of machinery and equipment — Part 2: Methods for stated values for individual machines
ISO 4871:1996 Acoustics — Declaration and verification of noise emission values of machinery and equipment
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 354:2003 Acoustics — Measurement of sound absorption in a reverberation room
ISO 3743-2:1994 Acoustics Determination of sound power levels of noise sources using sound pressure Engineering methods for small, movable sources in reverberant fields Part 2: Methods for special reverberation test rooms
ISO 3382-2:2008 Acoustics Measurement of room acoustic parameters Part 2: Reverberation time in ordinary rooms
ISO 7574-4:1985 Acoustics — Statistical methods for determining and verifying stated noise emission values of machinery and equipment — Part 4: Methods for stated values for batches of machines
ISO/TR 25417:2007 Acoustics Definitions of basic quantities and terms
ISO 9614-1:1993 Acoustics — Determination of sound power levels of noise sources using sound intensity — Part 1: Measurement at discrete points
IEC 60942:2003 Electroacoustics - Sound calibrators
ISO 9296:2017 Acoustics — Declared noise emission values of information technology and telecommunications equipment
ISO 3747:2010 Acoustics Determination of sound power levels and sound energy levels of noise sources using sound pressure Engineering/survey methods for use in situ in a reverberant environment
ISO 3740:2000 Acoustics Determination of sound power levels of noise sources Guidelines for the use of basic standards
ISO 9613-1:1993 Acoustics Attenuation of sound during propagation outdoors Part 1: Calculation of the absorption of sound by the atmosphere
ISO 9614-2:1996 Acoustics — Determination of sound power levels of noise sources using sound intensity — Part 2: Measurement by scanning
ISO 7574-1:1985 Acoustics — Statistical methods for determining and verifying stated noise emission values of machinery and equipment — Part 1: General considerations and definitions
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 3746:2010 Acoustics Determination of sound power levels and sound energy levels of noise sources using sound pressure Survey method using an enveloping measurement surface over a reflecting plane
ISO 6926:2016 Acoustics Requirements for the performance and calibration of reference sound sources used for the determination of sound power levels
ISO 9614-3:2002 Acoustics — Determination of sound power levels of noise sources using sound intensity — Part 3: Precision method for measurement by scanning
ISO 7574-3:1985 Acoustics — Statistical methods for determining and verifying stated noise emission values of machinery and equipment — Part 3: Simple (transition) method for stated values for batches of machines
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
ISO/IEC Guide 98-3:2008 Uncertainty of measurement — Part 3: Guide to the expression of uncertainty in measurement (GUM:1995)
ISO 3743-1:2010 Acoustics Determination of sound power levels and sound energy levels of noise sources using sound pressure Engineering methods for small movable sources in reverberant fields Part 1: Comparison method for a hard-walled test room

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