Acoustics - Laboratory measurement of sound insulation of building elements - Part 4: Measurement procedures and requirements (ISO 10140-4:2010)

This part of ISO 10140 specifies the basic measurement procedures for airborne and impact sound insulation in laboratory test facilities.

Akustik - Messung der Schalldämmung von Gebäudeteilen im Prüfstand - Teil 4: Messverfahren und Anforderungen (ISO 10140-4:2010)

Dieses Dokument legt die grundlegenden Verfahren zur Messung der Luftschall- und Trittschalldämmung in Prüfständen fest.

Acoustique - Détermination de l'isolation acoustique des éléments de construction - Partie 4: Modes opératoires et exigences de mesure (ISO 10140-4:2010)

L'ISO 10140-4:2010 spécifie les modes opératoires de base de mesurage de l'isolation au bruit aérien et au bruit de choc dans des installations d'essai en laboratoire.

Akustika - Laboratorijsko merjenje zvočne izolirnosti gradbenih elementov - 4. del: Merilni postopki in zahteve (ISO 10140-4:2010)

Ta del ISO 10140 določa osnovne merilne postopke zvočne izolirnosti pred zvokom v zraku in udarnim zvokom v laboratorijih.

General Information

Status
Withdrawn
Public Enquiry End Date
14-Feb-2009
Publication Date
15-Nov-2010
Withdrawal Date
31-May-2021
Technical Committee
Current Stage
9900 - Withdrawal (Adopted Project)
Start Date
27-May-2021
Due Date
19-Jun-2021
Completion Date
01-Jun-2021

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Standards Content (Sample)

SLOVENSKI STANDARD
SIST EN ISO 10140-4:2010
01-december-2010
1DGRPHãþD
SIST EN 20140-10:1997
SIST EN ISO 140-1:1998
SIST EN ISO 140-1:1998/A1:2005
SIST EN ISO 140-11:2005
SIST EN ISO 140-16:2006
SIST EN ISO 140-3:1997
SIST EN ISO 140-3:1997/A1:2005
SIST EN ISO 140-6:1999
SIST EN ISO 140-8:1998
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Acoustics - Laboratory measurement of sound insulation of building elements - Part 4:
Measurement procedures and requirements (ISO 10140-4:2010)
Akustik - Messung der Schalldämmung von Gebäudeteilen im Prüfstand - Teil 4:
Messverfahren und Anforderungen (ISO 10140-4:2010)
Acoustique - Détermination de l'isolation acoustique des éléments de construction -
Partie 4: Modes opératoires et exigences de mesure (ISO 10140-4:2010)
Ta slovenski standard je istoveten z: EN ISO 10140-4:2010
ICS:
91.120.20 $NXVWLNDYVWDYEDK=YRþQD Acoustics in building. Sound
L]RODFLMD insulation
SIST EN ISO 10140-4:2010 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------

SIST EN ISO 10140-4:2010

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SIST EN ISO 10140-4:2010


EUROPEAN STANDARD
EN ISO 10140-4

NORME EUROPÉENNE

EUROPÄISCHE NORM
September 2010
ICS 91.120.20 Supersedes EN 20140-10:1992, EN ISO 140-1:1997, EN
ISO 140-11:2005, EN ISO 140-16:2006, EN ISO 140-
3:1995, EN ISO 140-6:1998, EN ISO 140-8:1997
English Version
Acoustics - Laboratory measurement of sound insulation of
building elements - Part 4: Measurement procedures and
requirements (ISO 10140-4:2010)
Acoustique - Mesurage en laboratoire de l'isolation Akustik - Messung der Schalldämmung von Gebäudeteilen
acoustique des éléments de construction - Partie 4:
im Prüfstand - Teil 4: Messverfahren und Anforderungen
Exigences et modes opératoires de mesure (ISO 10140- (ISO 10140-4:2010)
4:2010)
This European Standard was approved by CEN on 14 August 2010.

CEN members are bound to comply with the CEN/CENELEC 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 Management Centre or to 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 Management Centre has the same status as the
official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland,
Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.





EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2010 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 10140-4:2010: E
worldwide for CEN national Members.

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SIST EN ISO 10140-4:2010
EN ISO 10140-4:2010 (E)
Contents Page
Foreword .3

2

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SIST EN ISO 10140-4:2010
EN ISO 10140-4:2010 (E)
Foreword
This document (EN ISO 10140-4:2010) has been prepared by Technical Committee ISO/TC 43 "Acoustics" in
collaboration with Technical Committee CEN/TC 126 “Acoustic properties of building elements and of
buildings” the secretariat of which is held by AFNOR.
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 March 2011, and conflicting national standards shall be withdrawn at
the latest by March 2011.
Attention is drawn to the possibility 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 140-1:1997, EN ISO 140-8:1997, EN ISO 140-11:2005,
EN 20140-10:1992, EN ISO 140-3:1995, EN ISO 140-6:1998, EN ISO 140-16:2006.
According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following
countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech
Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain,
Sweden, Switzerland and the United Kingdom.
Endorsement notice
The text of ISO 10140-4:2010 has been approved by CEN as a EN ISO 10140-4:2010 without any
modification.

3

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SIST EN ISO 10140-4:2010

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SIST EN ISO 10140-4:2010

INTERNATIONAL ISO
STANDARD 10140-4
First edition
2010-09-01


Acoustics — Laboratory measurement of
sound insulation of building elements —
Part 4:
Measurement procedures and
requirements
Acoustique — Mesurage en laboratoire de l'isolation acoustique des
éléments de construction —
Partie 4: Exigences et modes opératoires de mesure




Reference number
ISO 10140-4:2010(E)
©
ISO 2010

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SIST EN ISO 10140-4:2010
ISO 10140-4:2010(E)
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ii © ISO 2010 – All rights reserved

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SIST EN ISO 10140-4:2010
ISO 10140-4:2010(E)
Contents Page
Foreword .iv
Introduction.v
1 Scope.1
2 Normative references.1
3 Terms and definitions .1
4 Measurement procedures and requirements .2
5 Sound insulation measurements.8
Annex A (informative) Additional procedures for measurements at low frequencies.10
Bibliography.12

© ISO 2010 – All rights reserved iii

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SIST EN ISO 10140-4:2010
ISO 10140-4:2010(E)
Foreword
ISO (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 technical 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 electrotechnical standardization.
International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.
The main task of technical committees is to prepare International Standards. Draft International Standards
adopted by the technical committees are circulated to the member bodies for voting. Publication as an
International Standard requires approval by at least 75 % of the member bodies casting a vote.
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 patent rights.
ISO 10140-4 was prepared by Technical Committee ISO/TC 43, Acoustics, Subcommittee SC 2, Building
acoustics.
This first edition of ISO 10140-4, together with ISO 10140-1, ISO 10140-2, ISO 10140-3 and ISO 10140-5,
cancels and replaces ISO 140-1:1997, ISO 140-3:1995, ISO 140-6:1998, ISO 140-8:1997, ISO 140-10:1991,
ISO 140-11:2005 and ISO 140-16:2006, which have been technically revised.
It also incorporates the Amendments ISO 140-1:1997/Amd.1:2004 and ISO 140-3:1995/Amd.1:2004.
ISO 10140 consists of the following parts, under the general title Acoustics — Laboratory measurement of
sound insulation of building elements:
⎯ Part 1: Application rules for specific products
⎯ Part 2: Measurement of airborne sound insulation
⎯ Part 3: Measurement of impact sound insulation
⎯ Part 4: Measurement procedures and requirements
⎯ Part 5: Requirements for test facilities and equipment

iv © ISO 2010 – All rights reserved

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SIST EN ISO 10140-4:2010
ISO 10140-4:2010(E)
Introduction
ISO 10140 (all parts) concerns laboratory measurement of the sound insulation of building elements (see
Table 1).
ISO 10140-1 specifies the application rules for specific elements and products, including specific requirements
for preparation, mounting, operating and test conditions. ISO 10140-2 and ISO 10140-3 contain the general
procedures for airborne and impact sound insulation measurements, respectively, and refer to this part of
ISO 10140 and ISO 10140-5 where appropriate. For elements and products without a specific application rule
described in ISO 10140-1, it is possible to apply ISO 10140-2 and ISO 10140-3. This part of ISO 10140
contains basic measurement techniques and processes. ISO 10140-5 contains requirements for test facilities
and equipment. For the structure of ISO 10140 (all parts), see Table 1.
ISO 10140 (all parts) was created to improve the layout for laboratory measurements, ensure consistency and
simplify future changes and additions regarding mounting conditions of test elements in laboratory and field
measurements. It is intended for ISO 10140 (all parts) to present a well-written and arranged format for
laboratory measurements.
It is intended to update ISO 10140-1 with application rules for other products. It is also intended to incorporate
ISO 140-18 into ISO 10140 (all parts).
© ISO 2010 – All rights reserved v

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SIST EN ISO 10140-4:2010
ISO 10140-4:2010(E)
Table 1 — Structure and contents of ISO 10140 (all parts)
Relevant part Main purpose, contents and use Detailed content
of ISO 10140
ISO 10140-1 It indicates the appropriate test procedure for Appropriate references to ISO 10140-2 and
elements and products. For certain types of ISO 10140-3 and product-related, specific and
element/product, it can contain additional and additional instructions on:
more specific instructions about quantities and
⎯ specific quantities measured;
test element size and about preparation,
⎯ size of test element;
mounting and operating conditions. Where no
⎯ boundary and mounting conditions;
specific details are included, the general
⎯ conditioning, testing and operating conditions;
guidelines are according to ISO 10140-2 and
⎯ additional specifics for test report.
ISO 10140-3.
ISO 10140-2 It gives a complete procedure for airborne sound ⎯ Definitions of main quantities measured
insulation measurements according to
⎯ General mounting and boundary conditions
ISO 10140-4 and ISO 10140-5. For products
⎯ General measurement procedure
without specific application rules, it is sufficiently
⎯ Data processing
complete and general for the execution of
⎯ Test report (general points)
measurements. However, for products with
specific application rules, measurements are
carried out according to ISO 10140-1, if available.
ISO 10140-3 It gives a complete procedure for impact sound ⎯ Definitions of main quantities to measured
insulation measurements according to
⎯ General mounting and boundary conditions
ISO 10140-4 and ISO 10140-5. For products
⎯ General measurement procedure
without specific application rules, it is sufficiently
⎯ Data processing
complete and general for the execution of
⎯ Test report (general points)
measurements. However, for products with
specific application rules, measurements are
carried out according to ISO 10140-1, if available.
ISO 10140-4 It gives all the basic measurement techniques ⎯ Definitions
and processes for measurement according to
⎯ Frequency range
ISO 10140-2 and ISO 10140-3 or facility
⎯ Microphone positions
qualifications according to ISO 10140-5. Much of
⎯ SPL measurements
the content is implemented in software.
⎯ Averaging, space and time
⎯ Correction for background noise
⎯ Reverberation time measurements
⎯ Loss factor measurements
⎯ Low-frequency measurements
⎯ Radiated sound power by velocity
measurement
ISO 10140-5 It specifies all information needed to design, Test facilities, design criteria:
construct and qualify the laboratory facility, its
⎯ volumes, dimensions;
additional accessories and measurement
⎯ flanking transmission;
equipment (hardware).
⎯ laboratory loss factor;
⎯ maximum achievable sound reduction index;
⎯ reverberation time;
⎯ influence of lack of diffusivity in the laboratory.
Test openings:
⎯ standard openings for walls and floors;
⎯ other openings (windows, doors, small technical
elements);
⎯ filler walls in general.
Requirements for equipment:
⎯ loudspeakers, number, positions;
⎯ tapping machine and other impact sources;
⎯ measurement equipment.
Reference constructions:
⎯ basic elements for airborne and impact
insulation improvement;
⎯ corresponding reference performance curves.
vi © ISO 2010 – All rights reserved

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SIST EN ISO 10140-4:2010
INTERNATIONAL STANDARD ISO 10140-4:2010(E)

Acoustics — Laboratory measurement of sound insulation of
building elements —
Part 4:
Measurement procedures and requirements
1 Scope
This part of ISO 10140 specifies the basic measurement procedures for airborne and impact sound insulation
in laboratory test facilities.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated
references, only the edition cited applies. For undated references, the latest edition of the referenced
document (including any amendments) applies.
ISO 3382-2, Acoustics — Measurement of room acoustic parameters — Part 2: Reverberation time in ordinary
rooms
ISO 10140-1:2010, Acoustics — Laboratory measurement of sound insulation of building elements — Part 1:
Application rules for specific products
ISO 10140-2, Acoustics — Laboratory measurement of sound insulation of building elements — Part 2:
Measurement of airborne sound insulation
ISO 10140-3, Acoustics — Laboratory measurement of sound insulation of building elements — Part 3:
Measurement of impact sound insulation
ISO 10140-5:2010, Acoustics — Laboratory measurement of sound insulation of building elements — Part 5:
Requirements for test facilities and equipment
ISO 10848-1:2006, Acoustics — Laboratory measurement of the flanking transmission of airborne and impact
sound between adjoining rooms — Part 1: Frame document
ISO 18233, Acoustics — Application of new measurement methods in building and room acoustics
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1
energy average sound pressure level in a room
L
ten times the common logarithm of the ratio of the space and time average of the squared sound pressure to
the square of the reference sound pressure, the space average being taken over the entire room with the
© ISO 2010 – All rights reserved 1

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SIST EN ISO 10140-4:2010
ISO 10140-4:2010(E)
exception of those parts where the direct radiation of a sound source or the near field of the boundaries (walls,
etc.) is of significant influence
NOTE L is expressed in decibels.
3.2
reverberation time
T
time required for the sound pressure level in a room to decrease by 60 dB after the sound source has stopped
NOTE 1 The reverberation time is expressed in seconds.
NOTE 2 The range evaluated is defined by the times at which the decay curve first reaches 5 dB and 25 dB,
respectively, below the initial level.
3.3
structural reverberation time
T
s
time required for the acceleration level in a structure to decrease by 60 dB after the structure-borne sound
source has stopped
NOTE 1 The structural reverberation time is expressed in seconds.
NOTE 2 T is calculated using linear extrapolation of much shorter evaluation ranges than 60 dB, preferably 15 dB or
s
20 dB.
3.4
background noise level
measured sound pressure level in the receiving room from all sources other than the loudspeaker or tapping
machine in the source room.
3.5
continuously moving microphone
microphone that, with respect to a fixed point,
a) moves with approximately constant speed in a circle, or
b) sweeps to and fro along the arc of a circle, which is as large as possible, but is not be less than 270°,
over a fixed time period
4 Measurement procedures and requirements
4.1 Frequency range
All quantities shall be measured using one-third octave band filters having at least the following centre
frequencies, in hertz:
100, 125, 160, 200, 250, 315, 400, 500, 630, 800, 1 000, 1 250, 1 600, 2 000, 2 500, 3 150, 4 000, 5 000
If additional information in the low-frequency range is required, use one-third octave band filters with the
following centre frequencies, in hertz:
50, 63, 80
For additional measurements at low frequencies, guidance is given in Annex A.
2 © ISO 2010 – All rights reserved

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SIST EN ISO 10140-4:2010
ISO 10140-4:2010(E)
4.2 Measurement of sound pressure levels
4.2.1 General
Obtain the energy average sound pressure level using a single microphone moved from position to position,
an array of fixed microphones or a continuously moving microphone.
4.2.2 Minimum separation distances for microphone positions
The following separation distances are minimum values and shall be exceeded where possible:
a) 0,7 m between fixed microphone positions;
b) 0,7 m between any microphone position and the room boundaries;
c) 0,7 m between any microphone position and any diffusers;
d) 1,0 m between any microphone position and the test element;
e) 1,0 m between any microphone position and the sound source.
4.2.3 Averaging times
4.2.3.1 Fixed microphone positions
At each individual microphone position, the averaging time shall be at least 6 s for each frequency band, with
centre frequencies in the frequency range of 100 Hz to 400 Hz. For bands of higher frequencies, it is
permissible to decrease the time to not less than 4 s.
4.2.3.2 Continuously moving microphone
The averaging time shall cover a whole number of traverses and shall not be less than 30 s. Using a moving
loudspeaker, the measurement period shall equal the time of movement of the loudspeaker which shall be at
least 30 s.
4.2.4 Energy average sound pressure level
4.2.4.1 Fixed microphone positions
The energy average sound pressure level is determined using Equation (1).
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SLOVENSKI STANDARD
oSIST prEN ISO 10140-4:2009
01-januar-2009
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0HULOQLSRVWRSNLLQ]DKWHYH ,62',6
Acoustics - Laboratory measurement of sound insulation of building elements - Part 4:
Measurement procedures and requirements (ISO/DIS 10140-4:2008)
Akustik - Messung der Schalldämmung von Gebäudeteilen im Prüfstand - Teil 4:
Messverfahren und Anforderungen (ISO/DIS 10140-4:2008)
Acoustique - Détermination de l'isolation acoustique des éléments de construction -
Partie 4: Modes opératoires et exigences de mesure (ISO/DIS 10140-4:2008)
Ta slovenski standard je istoveten z: prEN ISO 10140-4
ICS:
91.120.20 $NXVWLNDYVWDYEDK=YRþQD Acoustics in building. Sound
L]RODFLMD insulation
oSIST prEN ISO 10140-4:2009 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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oSIST prEN ISO 10140-4:2009

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oSIST prEN ISO 10140-4:2009
EUROPEAN STANDARD
DRAFT
prEN ISO 10140-4
NORME EUROPÉENNE
EUROPÄISCHE NORM
October 2008
ICS 91.120.20 Will supersede EN ISO 140-4:1998
English Version
Acoustics - Laboratory measurement of sound insulation of
building elements - Part 4: Measurement procedures and
requirements (ISO/DIS 10140-4:2008)
Acoustique - Détermination de l'isolation acoustique des Akustik - Messung der Schalldämmung von Gebäudeteilen
éléments de construction - Partie 4: Modes opératoires et im Prüfstand - Teil 4: Messverfahren und Anforderungen
exigences de mesure (ISO/DIS 10140-4:2008) (ISO/DIS 10140-4:2008)
This draft European Standard is submitted to CEN members for parallel enquiry. It has been drawn up by the Technical Committee
CEN/TC 126.
If this draft becomes a European Standard, CEN members are bound to comply with the CEN/CENELEC Internal Regulations which
stipulate the conditions for giving this European Standard the status of a national standard without any alteration.
This draft European Standard was established by CEN 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 Management Centre has the
same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland,
France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,
Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.
Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are aware and to
provide supporting documentation.
Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without notice and
shall not be referred to as a European Standard.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre: rue de Stassart, 36  B-1050 Brussels
© 2008 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN ISO 10140-4:2008: E
worldwide for CEN national Members.

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oSIST prEN ISO 10140-4:2009
prEN ISO 10140-4:2008 (E)
Contents Page
Foreword.3

2

---------------------- Page: 4 ----------------------
oSIST prEN ISO 10140-4:2009
prEN ISO 10140-4:2008 (E)
Foreword
This document (prEN ISO 10140-4:2008) has been prepared by Technical Committee ISO/TC 43 "Acoustics"
in collaboration with Technical Committee CEN/TC 126 “Acoustic properties of building elements and of
buildings” the secretariat of which is held by AFNOR.
This document is currently submitted to the parallel Enquiry.
This document will supersede EN ISO 140-4:1998.
Endorsement notice
The text of ISO/DIS 10140-4:2008 has been approved by CEN as a prEN ISO 10140-4:2008 without any
modification.

3

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oSIST prEN ISO 10140-4:2009

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oSIST prEN ISO 10140-4:2009
DRAFT INTERNATIONAL STANDARD ISO/DIS 10140-4
ISO/TC 43/SC 2 Secretariat: DIN
Voting begins on: Voting terminates on:
2008-10-09 2009-03-09
INTERNATIONAL ORGANIZATION FOR STANDARDIZATION • МЕЖДУНАРОДНАЯ ОРГАНИЗАЦИЯ ПО СТАНДАРТИЗАЦИИ • ORGANISATION INTERNATIONALE DE NORMALISATION
Acoustics — Laboratory measurement of sound insulation of
building elements —
Part 4:
Measurement procedures and requirements
Acoustique — Détermination de l'isolation acoustique des éléments de construction —
Partie 4: Modes opératoires et exigences de mesure
(Revision of ISO 140-1:1997 and ISO 140-1:1997/Amd 1:2004, ISO 140-10:1991, ISO 140-3:1995 and
ISO 140-3:1995/Amd 1:2004, ISO 140-6:1998 and ISO 140-8:1997)
ICS 91.120.20

ISO/CEN PARALLEL ENQUIRY
The CEN Secretary-General has advised the ISO Secretary-General that this ISO/DIS covers a subject
of interest to European standardization. In accordance with the ISO-lead mode of collaboration as
defined in the Vienna Agreement, consultation on this ISO/DIS has the same effect for CEN
members as would a CEN enquiry on a draft European Standard. Should this draft be accepted, a
final draft, established on the basis of comments received, will be submitted to a parallel two-month FDIS
vote in ISO and formal vote in CEN.
In accordance with the provisions of Council Resolution 15/1993 this document is circulated in
the English language only.
Conformément aux dispositions de la Résolution du Conseil 15/1993, ce document est distribué
en version anglaise seulement.
To expedite distribution, this document is circulated as received from the committee secretariat.
ISO Central Secretariat work of editing and text composition will be undertaken at publication
stage.
Pour accélérer la distribution, le présent document est distribué tel qu'il est parvenu du
secrétariat du comité. Le travail de rédaction et de composition de texte sera effectué au
Secrétariat central de l'ISO au stade de publication.
THIS DOCUMENT IS A DRAFT CIRCULATED FOR COMMENT AND APPROVAL. IT IS THEREFORE SUBJECT TO CHANGE AND MAY NOT BE
REFERRED TO AS AN INTERNATIONAL STANDARD UNTIL PUBLISHED AS SUCH.
IN ADDITION TO THEIR EVALUATION AS BEING ACCEPTABLE FOR INDUSTRIAL, TECHNOLOGICAL, COMMERCIAL AND USER PURPOSES, DRAFT
INTERNATIONAL STANDARDS MAY ON OCCASION HAVE TO BE CONSIDERED IN THE LIGHT OF THEIR POTENTIAL TO BECOME STANDARDS TO
WHICH REFERENCE MAY BE MADE IN NATIONAL REGULATIONS.
RECIPIENTS OF THIS DRAFT ARE INVITED TO SUBMIT, WITH THEIR COMMENTS, NOTIFICATION OF ANY RELEVANT PATENT RIGHTS OF WHICH
THEY ARE AWARE AND TO PROVIDE SUPPORTING DOCUMENTATION.
©
International Organization for Standardization, 2008

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oSIST prEN ISO 10140-4:2009
ISO/DIS 10140-4
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oSIST prEN ISO 10140-4:2009
ISO/DIS 10140-4
Contents Page
Foreword .iv
Introduction.v
1 Scope.1
2 Normative references.1
3 Terms and Definitions.1
4 Measurement procedures and requirements .2
5 Sound insulation measurements.7
Annex A (informative) Additional procedures for measurements at low frequencies.10

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oSIST prEN ISO 10140-4:2009
ISO/DIS 10140-4
Foreword
ISO (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 technical 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 electrotechnical standardization.
International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.
The main task of technical committees is to prepare International Standards. Draft International Standards
adopted by the technical committees are circulated to the member bodies for voting. Publication as an
International Standard requires approval by at least 75 % of the member bodies casting a vote.
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 patent rights.
ISO 10140-4 was prepared by Technical Committee ISO/TC 43, Acoustics, Subcommittee SC 2, Building
acoustics.
ISO 10140 consists of the following parts, under the general title Acoustics — Laboratory measurement of
sound insulation of building elements:
⎯ Part 1: Test codes
⎯ Part 2: Measurement of airborne sound insulation
⎯ Part 3: Measurement of Impact sound insulation
⎯ Part 4: Measurement procedures and requirements
⎯ Part 5: Requirements for test facilities and equipment
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oSIST prEN ISO 10140-4:2009
ISO/DIS 10140-4
Introduction
ISO 140 is one of the basic series of standards in building acoustics. It currently has several parts describing
laboratory measurements, mounting conditions of test elements in the laboratory, and field measurements. To
improve the layout of Standards for laboratory measurements, to ensure consistency, and to simplify future
changes and additions, ISO/TC 43/SC 2 have created a new series of Standards, ISO 10140. The parts of
ISO 140 that are concerned with laboratory measurement of the acoustic performance of products (ISO 140-1,
-3,-6,-8,-10,-11, and -16) have been re-written and re-arranged with minimal alteration to the contents. The
new Standard, ISO 10140, consists of the parts stated in the Foreword.
ISO 10140-1 describes the test codes for elements and products, including specific requirements for
preparation, mounting, operating and test conditions for elements and products. In the future, Part 1 will be
updated in cooperation with the relevant product Technical Committees. ISO 10140-2 and ISO 10140-3
contain the general procedures for airborne and impact sound insulation measurements respectively and refer
to ISO 10104-4 and ISO 10140-5 where appropriate. For elements and products without a specific test code
described in ISO 10140-1 it is still possible to apply ISO 10140-2 and ISO 10140-3. ISO 10140-4 contains the
basic measurement techniques and processes. ISO 10140-5 contains the requirements on test facilities and
equipment.
In the future it will be possible to insert other measurement techniques and standards into this series, for
example, sound insulation measurement using intensity techniques (ISO 15186) and rainfall noise
measurement (ISO 140-18).
Structure and contents of the new ISO 10140 series:
“Acoustics – Laboratory measurement of sound insulation of building elements”
ISO number Main purpose, contents & use Detailed contents
& subtitle
ISO 10140-1 Indicates the appropriate test procedure for elements and Appropriate references to parts 2 and 3 and product related,
Test codes products. For some types of elements / products, the specific and additional instructions on:
standard may contain additional and more specific - specific quantities to be measured
instructions about quantities and test element size and about - size of test element
preparation, mounting and operating conditions. Where no - boundary and mounting conditions
specific details are included, the general guidelines in parts - conditioning, testing and operating conditions
2 and 3 shall be followed. - additional specifics for test report
ISO 10140-2 Complete procedure for airborne sound insulation - Definitions of main quantities to be measured
Measurement of measurements, referring to parts 4 and 5. It shall be - General mounting & boundary conditions
airborne sound sufficiently complete and general to perform measurements - General measurement procedure
insulation for products without a specific test code, but specifics in part - Data processing
1 shall be applied, if available. - Test report (general points)
ISO 10140-3 Complete procedure for impact sound insulation - Definitions of main quantities to be measured
Measurement of measurements, referring to parts 4 and 5. It shall be - General mounting & boundary conditions
impact sound sufficiently complete and general to perform measurements - General measurement procedure
insulation for products without a specific test code, but specifics in - Data processing
part 1 shall be applied, if available. - Test report (general points)
ISO 10140-4 All needed basic measurement techniques and processes, - Definitions
Measurement for measurements following parts 2 and 3 or facility - Frequency range
procedures and qualifications following part 5. Much of the contents - Microphone positions
requirements implemented in software. - SPL measurements
- Averaging, space and time
- Correction for background noise
- Reverberation time measurements
- Loss factor measurements
- Low frequency measurements
- radiated sound power by velocity measurement
ISO 10140-5 All information needed to design, construct and qualify the Test facilities, design criteria:
Requirements for laboratory facility, its additional accessories and - volumes, dimensions
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oSIST prEN ISO 10140-4:2009
ISO/DIS 10140-4
test facilities and measurement equipment (hardware). - flanking transmission
equipment - laboratory loss factor
- maximum achievable sound reduction index
- reverberation time
- influence of lack of diffusivity in the lab

Test openings:
- standard openings for walls, floors
- other openings (windows, doors, small technical elements)
- filler walls in general

Requirements for equipment:
- loudspeakers, number, positions
- tapping machine and other impact sources
- measurement equipment

Reference constructions:
- basic elements for airborne and impact insulation
improvement
- corresponding reference performance curves

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oSIST prEN ISO 10140-4:2009
DRAFT INTERNATIONAL STANDARD ISO/DIS 10140-4

1 Scope
This document specifies the basic measurement procedures for airborne and impact sound insulation in
laboratory test facilities.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated
references, only the edition cited applies. For undated references, the latest edition of the referenced
document (including any amendments) applies.
ISO/DIS 10140-1:2008, Acoustics — Laboratory measurement of sound insulation of building elements —
Part 1: Test codes
ISO/DIS 10140-2, Acoustics — Laboratory measurement of sound insulation of building elements — Part 2:
Measurement of airborne sound insulation
ISO/DIS 10140-3, Acoustics — Laboratory measurement of sound insulation of building elements — Part 3:
Measurement of impact sound insulation
ISO/DIS 10140-5:2008, Acoustics — Laboratory measurement of sound insulation of building elements —
Part 5: Requirements for test facilities and equipment
ISO 10848-1:2008, Acoustics — Laboratory measurement of the flanking transmission of airborne and impact
noise between adjoining rooms — Part 1: Frame document
ISO 3382-2, Acoustics — Measurement of the reverberation time of rooms — Part 2: Ordinary rooms
ISO 15186-1:2008, Acoustics — Measurement of sound insulation in buildings and of building elements using
sound intensity — Part 1: Laboratory measurements
3 Terms and Definitions
For the purpose of this document, the following terms and definitions apply.
3.1
energy average sound pressure level in a room
L
ten times the common logarithm of the ratio of the space and time average of the squared sound pressure to
the square of the reference sound pressure, the space average being taken over the entire room with the
exception of those parts where the direct radiation of a sound source or the near field of the boundaries (walls,
etc.) is of significant influence
NOTE L is expressed in decibels.
3.2
reverberation time
T
time, expressed in seconds, that would be required for the sound pressure level in a room to decrease by
60 dB
NOTE The range to be evaluated is defined by the times at which the decay curve first reaches 5 dB and 25 dB
below the initial level, respectively.
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oSIST prEN ISO 10140-4:2009
ISO/DIS 10140-4
3.3
structural reverberation time
T
s
time, expressed in seconds, that would be required for the acceleration level in a structure to decrease by
60 dB after the structure-borne sound source has stopped
NOTE T should be calculated using linear extrapolation of much shorter evaluation ranges than 60 dB, preferably
s
15 dB or 20 dB.
3.4
background noise level
the measured sound pressure level in the receiving room from all sources other than the loudspeaker or
tapping machine in the source room.
3.5
continuously moving microphone
a microphone that moves in a fixed plane with a fixed radius about a fixed point. The microphone shall:
a) move with constant speed in a circle
or
b) sweep to and fro along the arc of a circle over a fixed time period. The arc should be as large as
possible but not less than 270°.
4 Measurement procedures and requirements
4.1 Frequency range
All quantities shall be measured using one-third octave band filters having at least the following centre
frequencies, in Hertz:
100, 125, 160, 200, 250, 315, 400, 500, 630, 800, 1 000, 1 250, 1 600, 2 000, 2 500, 3 150, 4 000, 5 000
If additional information in the low-frequency range is required, use one-third octave band filters with the
following centre frequencies, in Hertz:
50 63 80
Guidance is given Annex A for additional measurements at low frequencies.
4.2 Measurement of sound pressure levels
Obtain the energy average sound pressure level by using a singl
...

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