1、August 2016 English price group 14No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).ICS 17.140.01!%Ylg“2547368www.din.deD
2、IN EN ISO 6926Acoustics Requirements for the performance and calibration of reference sound sources used for the determination of sound power levels (ISO 6926:2016);English version EN ISO 6926:2016,English translation of DIN EN ISO 6926:2016-08Akustik Anforderungen an die Eigenschaften und die Kalib
3、rierung von Vergleichsschallquellen fr die Bestimmung von Schallleistungspegeln (ISO 6926:2016);Englische Fassung EN ISO 6926:2016,Englische bersetzung von DIN EN ISO 6926:2016-08Acoustique Prescriptions relatives aux performances et ltalonnage des sources sonores de rfrence pour la dtermination des
4、 niveaux de puissance acoustique (ISO 6926:2016);Version anglaise EN ISO 6926:2016,Traduction anglaise de DIN EN ISO 6926:2016-08SupersedesDIN EN ISO 6926:2001-12www.beuth.deDocument comprises 30 pagesDTranslation by DIN-Sprachendienst.In case of doubt, the German-language original shall be consider
5、ed authoritative.08.16 DIN EN ISO 6926:2016-08 2 A comma is used as the decimal marker. National foreword This document (EN ISO 6926:2016) has been prepared by Technical Committee ISO/TC 43 “Acoustics”, Subcommittee SC 1 “Noise” in collaboration with Technical Committee CEN/TC 211 “Acoustics” (Secre
6、tariat: DIN, Germany). The responsible German bodies involved in its preparation were Joint Committee NA 001-01-03 GA (NALS/DKE A 3) Schallmessgerte under the leadership of NALS in cooperation with Working Committee NA 001-01-04 AA (NALS A 4) Geruschemission von Maschinen und Anlagen; Messung, Minde
7、rung, Datensammlung. The DIN Standards corresponding to the International Standards referred to in this document are as follows: ISO 3740 DIN EN ISO 3740 ISO 3741:2010 DIN EN ISO 3741:2011-01 ISO 3743-1 DIN EN ISO 3743-1 ISO 3743-2 DIN EN ISO 3743-2 ISO 3744:2010 DIN EN ISO 3744:2011-02 ISO 3745:201
8、2 DIN EN ISO 3745:2012-07 ISO 3746 DIN EN ISO 3746 ISO 3747 DIN EN ISO 3747 ISO 5725-1 DIN ISO 5725-1 ISO 5725-2 DIN ISO 5725-2 ISO 7574-1 DIN EN 27574-1 ISO 7574-2 DIN EN 27574-2 ISO 7574-3 DIN EN 27574-3 ISO 7574-4:1985 DIN EN 27574-4:1989-03 ISO 9295 DIN EN ISO 9295 ISO 9614-3 DIN EN ISO 9614-3 I
9、SO/TR 11690-3 DIN EN ISO 11690-3 ISO 14257 DIN EN ISO 14257 ISO 80000-8:2007 DIN EN ISO 80000-8:2008-01 ISO/IEC Guide 98-3 DIN V ENV 13005 ISO/IEC 17025 DIN EN ISO/IEC 17025 IEC 60942:2003 DIN EN 60942:2004-05 IEC 61094-1 DIN EN 61094-1 IEC 61094-4 DIN EN 61094-4 IEC 61183 DIN EN 61183 IEC 61260-1 D
10、IN EN 61260-1 IEC 61672-1 DIN EN 61672-1 IEC 61672-3:2013 DIN EN 61672-3:2014-07 IEC 62585 DIN EN 62585 DIN EN ISO 6926:2016-08 3 Amendments This standard differs from DIN EN ISO 6926:2001-12 as follows: a) the clause on measurement uncertainty has been updated with stricter reference to ISO/IEC Gui
11、de 98-3 and moved backwards in the standard to be more in line with ISO 3745; b) the corrections for meteorological conditions have been brought in line with ISO 3745; c) a new Annex A on the acoustic radiation impedance correction has been introduced; d) an alternative method using sound intensity
12、for low frequency calibration in hemi-anechoic rooms not fully qualified for low frequencies has been introduced in a new Annex B. Previous editions DIN EN ISO 6926: 2001-12 National Annex NA (informative) Bibliography DIN V ENV 13005, Guide to the expression of uncertainty in measurement) DIN EN 27
13、574-1, Acoustics Statistical methods for determining and verifying stated noise emission values of machinery and equipment Part 1: General considerations and definitions DIN EN 27574-2, Acoustics Statistical methods for determining and verifying stated noise emission values of machinery and equipmen
14、t Part 2: Methods for stated values for individual machines DIN EN 27574-3, 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 DIN EN 27574-4:1989-03, Acousti
15、cs Statistical methods for determining and verifying stated noise emission values of machinery and equipment Part 4: Methods for stated values for batches of machines DIN EN 60942:2004-05, Electroacoustics Sound calibrators (IEC 60942:2003) DIN EN 61094-1, Measurement microphones Part 1: Specificati
16、ons for laboratory standard microphones DIN EN 61094-4, Measurement microphones Part 4: Specifications for working standard microphones DIN EN 61183, Electroacoustics Random-incidence and diffuse-field calibration of sound level meters DIN EN 61260-1, Electroacoustics Octave-band and fractional-octa
17、ve-band filters Part 1: Specifications DIN EN 61672-1, Electroacoustics Sound level meters Part -1: Specifications DIN EN 61672-3:2014-07, Electroacoustics Sound level meters Part 3: Periodic tests (IEC 61672-3:2013) DIN EN 62585, Electroacoustics Methods to determine corrections to obtain the free-
18、field response of a sound level meter DIN EN ISO 3740, Acoustics Determination of sound power levels of noise sources Guidelines for the use of basic standards )Only in German. Withdrawn but still obtainable from Beuth Verlag. DIN EN ISO 6926:2016-08 4 DIN EN ISO 3741:2011-01, Acoustics Determinatio
19、n of sound power levels and sound energy levels of noise sources using sound pressure Precision methods for reverberation test rooms (ISO 3741:2010) DIN EN ISO 3743-1, Acoustics Determination of sound power levels and sound energy levels of noise sources using sound pressure Engineering methods for
20、small, movable sources in reverberant fields Part 1: Comparison method for a hard-walled test room DIN EN ISO 3743-2, 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 r
21、everberation test rooms DIN EN ISO 3744, 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 DIN EN ISO 3745:2012-07, Acoustics Determination of sound power levels and so
22、und energy levels of noise sources using sound pressure Precision methods for anechoic rooms and hemi-anechoic rooms (ISO 3745:2012) DIN EN ISO 3746, Acoustics Determination of sound power levels and sound energy levels of noise sources using sound pressure Survey method using an enveloping measurem
23、ent surface over a reflecting plane DIN EN ISO 3747, 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 DIN EN ISO 9295, Acoustics Determination of high-frequency sound po
24、wer levels emitted by machinery and equipment DIN EN ISO 9614-3, Acoustics Determination of sound power levels of noise sources using sound intensity Part 3: Precision method for measurement by scanning DIN EN ISO 11690-3, Acoustics Recommended practice for the design of low-noise workplaces contain
25、ing machinery Part 3: Sound propagation and noise prediction in workrooms DIN EN ISO 14257, Acoustics Measurement and parametric description of spatial sound distribution curves in workrooms for evaluation of their acoustical performance DIN EN ISO/IEC 17025, General requirements for the competence
26、of testing and calibration laboratories DIN EN ISO 80000-8:2008-01, Quantities and units Part 8: Acoustics ISO 80000-8:2007, corrected 2007-08-15) DIN ISO 5725-1, Accuracy (trueness and precision) of measurement methods and results Part 1: General principles and definitions DIN ISO 5725-2, Accuracy
27、(trueness and precision) of measurement methods and results Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 6926 February 2016 ICS 17.140.01 Supersedes EN ISO 6926:2001English Ve
28、rsion Acoustics - Requirements for the performance and calibration of reference sound sources used for the determination of sound power levels (ISO 6926:2016) Acoustique - Prescriptions relatives aux performances et ltalonnage des sources sonores de rfrence pour la dtermination des niveaux de puissa
29、nce acoustique (ISO 6926:2016) Akustik - Anforderungen an die Eigenschaften und die Kalibrierung von Vergleichsschallquellen fr die Bestimmung von Schallleistungspegeln(ISO6926:2016) This European Standard was approved by CEN on 26 December 2015. CEN members are bound to comply with the CEN/CENELEC
30、Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to
31、 any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the officia
32、l versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, No
33、rway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey andUnited Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2016 CEN All rights of expl
34、oitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 6926:2016 EForeword 5Introduction 61 Scope . 72 Normative references 83 Terms and definitions . 84 Reference meteorological conditions 105 Performance requirements 115.1 General 115.2 Temporal steadine
35、ss (stability) of sound power output 115.3 Total broadband sound power level 115.4 Spectral characteristics. 115.5 Directivity . 125.6 Recalibration 126 Instrumentation .136.1 General 136.2 Microphone in a hemi-anechoic room .136.3 Microphone in a reverberation test room 136.4 Microphone frequency r
36、esponse correction 136.5 Verification 146.6 Microphone calibration check 147 Installation and operation of the reference sound source during calibration .147.1 General 147.2 Requirements in hemi-anechoic rooms . 157.3 Requirements in reverberation rooms 158 Calibration procedure in hemi-anechoic roo
37、ms 158.1 Test environment . 158.2 Microphone positions 158.2.1 General. 158.2.2 Meridional paths . 158.2.3 Spiral path. 158.2.4 Fixed point array . 158.2.5 Coaxial circular paths . 158.3 Measurements 168.3.1 General. 168.3.2 Directivity index 168.3.3 Temporal steadiness 168.4 Calculations . 179 Cali
38、bration procedure in reverberation test rooms .189.1 Test environment . 189.2 Microphone positions 189.3 Measurements 189.3.1 General. 189.3.2 Temporal steadiness 199.4 Calculations . 1910 Alternative calibration procedure at low frequencies .1911 Measurement uncertainty .1911.1 General 1911.2 Typic
39、al values of the reproducibility standard deviation .20Contents PageEN ISO 6926:2016 (E) DIN EN ISO 6926:2016-08 2European foreword .413 Information to be reported 21Annex A (informative) Guidance on the determination of C222Annex B (normative) Alternative calibration procedure at low frequencies 24
40、Bibliography .25EN ISO 6926:2016 (E) DIN EN ISO 6926:2016-08 312 Information to be recorded 21European foreword This document (EN ISO 6926:2016) has been prepared by Technical Committee ISO/TC 43 “Acoustics” in collaboration with Technical Committee CEN/TC 211 “Acoustics” the secretariat of which is
41、 held by DIN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by August 2016, and conflicting national standards shall be withdrawn at the latest by August 2016. Attention is drawn to the possibility
42、 that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This document supersedes EN ISO 6926:2001. According to the CEN-CENELEC Internal Regulations, the national standards organi
43、zations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, M
44、alta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. Endorsement notice The text of ISO 6926:2016 has been approved by CEN as EN ISO 6926:2016 without any modification. EN ISO 6926:2016 (E) DIN EN ISO 6926:2016-08 4 Fore
45、wordISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a techni
46、cal committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of e
47、lectrotechnical standardization.The procedures used to develop this document and those intended for its further maintenance are described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the different types of ISO documents should be noted. This document wa
48、s drafted in accordance with the editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives). Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such pat
49、ent rights. Details of any patent rights identified during the development of the document will be in the Introduction and/or on the ISO list of patent declarations received (see www.iso.org/patents). Any trade name used in this document is information given for the convenience of users and does not constitute a
