Conference systems - Equipment - Requirements (ISO 22259:2019)

This document specifies requirements for typical conference systems, the parts they are composed of, the auxiliary devices necessary for their use (such as microphones, headphones, and sound reinforcement equipment) and the environment in which they are used. These requirements ensure interoperability and optimum performance under conditions of normal operation.
It is applicable to both wired and wireless systems.
The environment and areas where events are held are described in Annex A.
This document facilitates the determination of the quality of conference systems, the comparison of different systems and the assessment of their proper use by listing their characteristics. This document contains the technical backbone of ISO 20108 and ISO 20109.

Konferenzsysteme - Ausstattung - Anforderungen (ISO 22259:2019)

Systèmes de conférence - Équipement - Exigences (ISO 22259:2019)

Ce document spécifie les exigences des systèmes-types de conférence, les parties dont ils sont composés, les dispositifs auxiliaires nécessaires à leur utilisation (tels que les microphones, les écouteurs, et l'équipement d'amplification sonore) et l'environnement dans lequel ils sont utilisés. Ces exigences assurent une interopérabilité et une performance optimale dans des conditions de fonctionnement normal.
Il est applicable aux systèmes filaires et sans fil.
L'environnement et les espaces dans lesquels des événements sont tenus sont décrits à l'Annexe A.
Ce document permet de déterminer la qualité des systèmes de conférence, la comparaison de différents systèmes et l'évaluation de leur bonne utilisation en listant leurs caractéristiques. Ce document contient la base technique des normes ISO 20108 et ISO 20109.s

Konferenčni sistemi - Oprema - Zahteve (ISO 22259:2019)

General Information

Status
Published
Public Enquiry End Date
17-Dec-2020
Publication Date
28-Apr-2021
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
02-Apr-2021
Due Date
07-Jun-2021
Completion Date
29-Apr-2021

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SLOVENSKI STANDARD
SIST EN ISO 22259:2021
01-junij-2021
Konferenčni sistemi - Oprema - Zahteve (ISO 22259:2019)
Conference systems - Equipment - Requirements (ISO 22259:2019)
Konferenzsysteme - Ausstattung - Anforderungen (ISO 22259:2019)
Systèmes de conférence - Équipement - Exigences (ISO 22259:2019)
Ta slovenski standard je istoveten z: EN ISO 22259:2021
ICS:
33.160.01 Avdio, video in avdiovizualni Audio, video and audiovisual
sistemi na splošno systems in general
91.040.10 Javne stavbe Public buildings
SIST EN ISO 22259:2021 en,fr,de

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN ISO 22259:2021
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SIST EN ISO 22259:2021
EN ISO 22259
EUROPEAN STANDARD
NORME EUROPÉENNE
February 2021
EUROPÄISCHE NORM
ICS 91.040.10
English Version
Conference systems - Equipment - Requirements (ISO
22259:2019)

Systèmes de conférence - Équipement - Exigences (ISO Konferenzsysteme - Ausstattung - Anforderungen (ISO

22259:2019) 22259:2019)
This European Standard was approved by CEN on 8 February 2021.

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-CENELEC 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-CENELEC 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, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and

United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels

© 2021 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 22259:2021 E

worldwide for CEN national Members.
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SIST EN ISO 22259:2021
EN ISO 22259:2021 (E)
Contents Page

European foreword ....................................................................................................................................................... 3

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SIST EN ISO 22259:2021
EN ISO 22259:2021 (E)
European foreword

The text of ISO 22259:2019 has been prepared by Technical Committee ISO/TC 37 "Language and

terminology” of the International Organization for Standardization (ISO) and has been taken over as

EN ISO 22259:2021 by CCMC.

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 2021, and conflicting national standards shall

be withdrawn at the latest by August 2021.

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights. CEN shall not be held responsible for identifying any or all such patent rights.

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, Republic of

North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the

United Kingdom.
Endorsement notice

The text of ISO 22259:2019 has been approved by CEN as EN ISO 22259:2021 without any modification.

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SIST EN ISO 22259:2021
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SIST EN ISO 22259:2021
INTERNATIONAL ISO
STANDARD 22259
First edition
2019-04
Conference systems — Equipment —
Requirements
Systèmes de conférence — Équipement — Exigences
Reference number
ISO 22259:2019(E)
ISO 2019
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SIST EN ISO 22259:2021
ISO 22259:2019(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2019

All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may

be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting

on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address

below or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Fax: +41 22 749 09 47
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO 2019 – All rights reserved
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SIST EN ISO 22259:2021
ISO 22259:2019(E)
Contents Page

Foreword ..........................................................................................................................................................................................................................................v

1 Scope ................................................................................................................................................................................................................................. 1

2 Normative references ...................................................................................................................................................................................... 1

3 Terms and definitions ..................................................................................................................................................................................... 1

4 Overall conference system ......................................................................................................................................................................... 5

4.1 General ........................................................................................................................................................................................................... 5

4.2 Audio characteristics ......................................................................................................................................................................... 5

4.2.1 Latency ..................................................................................................................................................................................... 5

4.2.2 Sound pressure level .................................................................................................................................................... 5

4.2.3 System input and output ........................................................................................................................................... 6

4.2.4 Frequency response ...................................................................................................................................................... 6

4.2.5 Distortion ............................................................................................................................................................................... 6

4.2.6 Noise and hum ................................................................................................................................................................... 6

4.2.7 Level consistency ............................................................................................................................................................. 6

4.2.8 Interference .......................................................................................................................................................................... 6

4.3 Confidentiality ......................................................................................................................................................................................... 6

4.4 Markings and symbols ...................................................................................................................................................................... 7

4.5 Accessibility and usability ............................................................................................................................................................. 7

5 Discussion system ............................................................................................................................................................................................... 7

5.1 General ........................................................................................................................................................................................................... 7

5.2 Discussion unit ........................................................................................................................................................................................ 7

5.2.1 Required elements ......................................................................................................................................................... 7

5.2.2 Additional elements ...................................................................................................................................................... 7

5.2.3 Optional features ............................................................................................................................................................. 8

5.2.4 Autonomy ............................................................................................................................................................................... 8

5.3 Microphone management.............................................................................................................................................................. 8

5.4 Microphone routing ............................................................................................................................................................................ 8

5.5 Microphone processing ................................................................................................................................................................... 8

6 Individual listening systems ..................................................................................................................................................................... 8

6.1 General ........................................................................................................................................................................................................... 8

6.2 Earclip headphone ............................................................................................................................................................................... 9

6.3 In-ear headphone ................................................................................................................................................................................. 9

6.4 Headphones ............................................................................................................................................................................................... 9

6.5 Individual induction loop ......... ...................................................................................................................................................... 9

7 Sound reinforcement system ................................................................................................................................................................... 9

8 Interpreting system ........................................................................................................................................................................................10

9 Language distribution system .............................................................................................................................................................10

10 Metadata system ................................................................................................................................................................................................10

11 Voting system ........................................................................................................................................................................................................10

12 Camera system .....................................................................................................................................................................................................10

13 Display system .....................................................................................................................................................................................................11

14 Identification/sign-in system ...............................................................................................................................................................11

15 Conference control system ......................................................................................................................................................................11

16 Recording/archiving system .................................................................................................................................................................11

17 Webcasting system ..........................................................................................................................................................................................12

18 Teleconferencing system ...........................................................................................................................................................................12

© ISO 2019 – All rights reserved iii
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SIST EN ISO 22259:2021
ISO 22259:2019(E)

19 Combining of conference halls and distant connections .........................................................................................12

20 Split rooms ...............................................................................................................................................................................................................12

21 Diagnostics ..............................................................................................................................................................................................................12

22 Interoperability ..................................................................................................................................................................................................12

Annex A (informative) Meeting and conference hall setups .....................................................................................................13

Annex B (informative) Routing modes of a conference system .............................................................................................21

Annex C (informative) Modes of mounting conference systems ...........................................................................................25

Annex D (normative) Microphone management ..................................................................................................................................26

Annex E (informative) Camera system.............................................................................................................................................................28

Annex F (informative) Display system .............................................................................................................................................................29

Bibliography .............................................................................................................................................................................................................................32

iv © ISO 2019 – All rights reserved
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SIST EN ISO 22259:2021
ISO 22259:2019(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 Electro technical Commission (IEC) on all matters of

electro technical 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 was 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 patent 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 an endorsement.

For an explanation on the voluntary nature of standards, the meaning of ISO specific terms and

expressions related to conformity assessment, as well as information about ISO's adherence to the

World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT) see the following

URL: www .iso .org/iso/foreword .html.

This document was prepared by Technical Committee ISO/TC 37, Language and terminology,

Subcommittee SC 5, Translation, interpreting and related technology.

Any feedback or questions on this document should be directed to the user’s national standards body. A

complete listing of these bodies can be found at www .iso .org/members .html.
© ISO 2019 – All rights reserved v
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SIST EN ISO 22259:2021
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SIST EN ISO 22259:2021
INTERNATIONAL STANDARD ISO 22259:2019(E)
Conference systems — Equipment — Requirements
1 Scope

This document specifies requirements for typical conference systems, the parts they are composed

of, the auxiliary devices necessary for their use (such as microphones, headphones, and sound

reinforcement equipment) and the environment in which they are used. These requirements ensure

interoperability and optimum performance under conditions of normal operation.
It is applicable to both wired and wireless systems.
The environment and areas where events are held are described in Annex A.

This document facilitates the determination of the quality of conference systems, the comparison of

different systems and the assessment of their proper use by listing their characteristics. This document

contains the technical backbone of ISO 20108 and ISO 20109.
2 Normative references

The following documents are referred to in the text in such a way that some or all of their content

constitutes requirements 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 639-3, Codes for the representation of names of languages — Part 3: Alpha-3 code for comprehensive

coverage of languages

ISO 20108, Simultaneous interpreting — Quality and transmission of sound and image input —

Requirements
ISO 7000, Graphical symbols for use on equipment — Registered symbols

IEC 60118-4, Electroacoustics — Hearing aids — Part 4: Induction-loop systems for hearing aid purposes —

System performance requirements
IEC 60268-4, Sound system equipment — Part 4: Microphones
IEC 60268-7, Sound system equipment — Part 7: Headphones and earphones
IEC 60417, Graphical symbols for use on equipment

IEC 61603-7, Transmission systems of audio and/or video and related signals using infra-red radiation —

Part 7: Digital audio signals for conference and similar applications

IEC 62489-1, Electroacoustics — Audio-frequency induction loop systems for assisted hearing — Part 1:

Methods of measuring and specifying the performance of system components
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.

ISO and IEC maintain terminological databases for use in standardization at the following addresses:

— ISO Online browsing platform: available at https: //www .iso .org/obp
— IEC Electropedia: available at http: //www .electropedia .org/
© ISO 2019 – All rights reserved 1
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SIST EN ISO 22259:2021
ISO 22259:2019(E)
3.1
system
combination of interacting elements organized to achieve a given objective

[SOURCE: ISO/IEC 30111:2013, 3.6, modified — the wording “one or more stated purposes” is changed

to “a given objective”.]
3.2
wired
employing cables and connectors for the transfer of signals (3.12) and data
3.3
wireless
without cables and connectors for the transfer of signals (3.12) and data
3.4
discussion system
system (3.1) that controls discussion units (3.23)
3.5
sound reinforcement system
speech reinforcement system
public address system
system (3.1) that amplifies sound (3.11)
3.6
conference system
system (3.1) that controls technical equipment used to conduct an event
3.7
language distribution

transmission of the floor (3.9) and interpreted (3.32) speech to participants (3.25) and audience (3.28)

3.8
interpreting system

combination of interpreting (3.33) equipment and system (3.1) for language distribution (3.7)

Note 1 to entry: An interpreting system can require the use of interpreting booths compliant with ISO 2603

or ISO 4043, equipped with interpreting consoles compliant with ISO 20109, or a portable interpreting system

compliant with ISO 20109.
3.9
floor

audio output of discussion system (3.4) conveying microphone (3.14) input and auxiliary input (3.10)

3.10
auxiliary input
audio input other than that from discussion system (3.4) microphones (3.14)
3.11
sound
form of energy that moves through media in waves of pressure
[SOURCE: ISO/TS 16976-7:2013, 3.1.5]
3.12
signal
detectable transmitted energy that is used to carry information
[SOURCE: ISO/IEC 14776-153:2015, 3.1.87]
2 © ISO 2019 – All rights reserved
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SIST EN ISO 22259:2021
ISO 22259:2019(E)
3.13
transducer
device that converts one type of energy to another
[SOURCE: ISO/TS 19130-2:2014, 4.78]
3.14
microphone
transducer (3.13) that converts sound (3.11) into an electrical signal (3.12)

[SOURCE: ISO 20109:2016, 3.3, modified — The word “device” is replaced by “transducer”.]

3.15
loudspeaker

transducer (3.13) that converts an electrical signal (3.12) into sound (3.11) that is loud enough to be

heard at a distance
3.16
amplifier
electronic device that converts a small signal (3.12) to a larger signal

[SOURCE: ISO 5577:2017, 5.1.5, modified — The word “which” is replaced by “that”; Note 1 to entry is

removed.]
3.17
headphone

transducer (3.13) that converts an electrical signal (3.12) into sound (3.11), designed to be worn close

to the ear

[SOURCE: ISO 20109:2016, 3.4, modified — the plural term “headphones” is replaced by the singular

“headphone”, the word “device” is replaced by “transducer”.]
3.18
in-ear headphone
headphone (3.17) designed to be worn inside the ear
3.19
earclip headphone
earshell headphone
one-ear headphone (3.17) designed to be worn attached to the ear
3.20
induction loop
system (3.1) that transmits an audio signal (3.12) directly to a hearing aid

Note 1 to entry: The audio signal is transmitted via a magnetic field, greatly reducing background noise,

competing sounds, reverberation and other acoustic distortions in order to improve the clarity of sound.

3.21
central controller

equipment that directs the operation of the conference system (3.6) and the systems (3.1) and devices

connected to it
3.22
audio mixing device

equipment for combining, routing and changing the gain, volume, timbre and dynamics of analogue or

digital signals (3.12), summing them to produce one or more combined output signals

3.23
discussion unit
electronic device serving a participant (3.25) to speak at an event
© ISO 2019 – All rights reserved 3
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SIST EN ISO 22259:2021
ISO 22259:2019(E)
3.24
control booth

room from which technical equipment and audio and video signal (3.12) quality are managed

[SOURCE: ISO 2603:2016, 3.3, modified — The wording “where the control instruments are located,

and” is deleted and “audio and video signal quality” added.]
3.25
participant
person who takes an active part in an event
3.26
chairperson
participant (3.25) who is in charge of conducting the proceedings at an event
3.27
speaker
participant (3.25) addressing others

[SOURCE: ISO 18841:2018, 3.1.7, modified — The word “person” is replaced by “participant”; the

wording “using either spoken language or sign language” is removed.]
3.28
audience
group of listeners or spectators at an event
3.29
operator
person responsible for the operation of technical equipment
3.30
technician
person responsible for the availability and maintenance of technical equipment
3.31
webcasting
web streaming
transmitting audio and video data across a network to an audience (3.28)
3.32
interpret

render spoken or signed information from a source language to a target language in oral or signed form,

conveying both the register and meaning of the source language content
[SOURCE: ISO 18841:2018, 3.1.1]
3.33
interpreting
interpretation

rendering of spoken or signed information from a source language to a target language in oral or signed

form, conveying both the register and meaning of the source language content
[SOURCE: ISO 18841:2018, 3.1.2]
3.34
simultaneous interpreting

mode of interpreting (3.33) performed while a speaker (3.27) is still speaking or signing

[SOURCE: ISO 18841:2018, 3.1.13]
4 © ISO 2019 – All rights reserved
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SIST EN ISO 22259:2021
ISO 22259:2019(E)
4 Overall conference system
4.1 General

A conference system consists of the technical equipment used to conduct an event. Its primary

function is to amplify audio signals from participants and audio sources and delivering them to other

participants.

A conference system shall at least consist of a discussion system, combined with a listening system

and/or a sound reinforcement system.

A conference system shall have at least one primary floor output and one auxiliary input as described

in Annex B.

A conference system can be extended with an interpreting system and a language distribution system.

A conference system may, among others, also include one or more of the following elements:

— a metadata system;
— a voting system;
— a camera system;
— a display system;
— an identification/sign-in system;
— an electronic nameplate system.

A conference system can, among others, be connected to one or more of the following elements:

— a conference control system;
— an audio and/or video recording/archiving system;
— a webcasting system;
— a teleconferencing system.

Audio and video signals generated by the conference system shall comply with ISO 20108.

Modes of mounting conference systems are described in Annex C.
4.2 Audio characteristics
4.2.1 Latency

The overall latency from input (microphone or audio input) to output (discussion unit loudspeaker,

headphones or audio output) shall not exceed 20 ms.
4.2.2 Sound pressure level

All sound pressure levels (dB ) referred to in this document are based on a sinusoidal frequency of

spl
1 kHz (unless specified otherwise) measured under free field conditions.
Sound pressure level Nominal Maximum Units
at the microphone housing/capsule 80 110 dB
spl
at 50 cm from the discussion unit 72 dB
spl
loudspeaker without causing audi-
ble artefacts
© ISO 2019 – All rights reserved 5
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SIST EN ISO 22259:2021
ISO 22259:2019(E)
4.2.3 System input and output
The nominal input and output of the system shall be −30 dBFS.
4.2.4 Frequency response

A conference system including microphone and individual listening system shall reproduce audio

frequencies between 125 Hz and 15 000 Hz with a variation of maximum ±10 dB.
A conferenc
...

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