Bsi bs en 61966 2 1 2000 (2003)

BRITISH STANDARD

BS EN
61966-2-1:2000
IEC
61966-2-1:1999
Incorporating
Amendment No. 1

Multimedia systems
and equipment —
Colour measurement
and management —
Part 2-1: Colour management — Default
RGB colour space — sRGB

The European Standard EN 61966-2-1:2000, with the incorporation of
amendment A1:2003, has the status of a British Standard

ICS 33.160.60


BS EN 61966-2-1:2000

National foreword
This British Standard is the official English language version of
EN 61966-2-1:2000, including amendment A1:2003. It is identical with
IEC 61966-2-1:1999, including amendment 1:2003.
The UK participation in its preparation was entrusted to Technical Committee
EPL/100, Audio, video and multimedia systems and equipment, which has the
responsibility to:

—

aid enquirers to understand the text;

—

present to the responsible European committee any enquiries on the
interpretation, or proposals for change, and keep the UK interests
informed;

—

monitor related international and European developments and
promulgate them in the UK.

A list of organizations represented on this committee can be obtained on
request to its secretary.
Cross-references
The British Standards which implement international or European
publications referred to in this document may be found in the BSI Catalogue
under the section entitled “International Standards Correspondence Index”, or
by using the “Search” facility of the BSI Electronic Catalogue or of
British Standards Online.
This publication does not purport to include all the necessary provisions of a
contract. Users are responsible for its correct application.
Compliance with a British Standard does not of itself confer immunity
from legal obligations.

This British Standard, having
been prepared under the

direction of the
Electrotechnical Sector
Committee, was published
under the authority of the
Standards Committee and
comes into effect on
15 September 2000
© BSI 6 August 2003

ISBN 0 580 36416 X

Summary of pages
This document comprises a front cover, an inside front cover, the EN title page,
pages 2 to 40, an inside back cover and a back cover.
The BSI copyright notice displayed in this document indicates when the
document was last issued.

Amendments issued since publication
Amd. No.

Date

Comments

14391

6 August 2003

Insertion of new Annex F, Annex G and
Annex H

EUROPEAN STANDARD
NORME EUROPÉENNE
EUROPÄISCHE NORM

EN 61966-2-1
March 2000

+ A1
May 2003

ICS 33.160.60: 37.080

English version

Multimedia systems and equipment — Colour measurement
and management — Part 2-1: Colour management —
Default RGB colour space — sRGB
(includes amendment A1:2003)
(IEC 61966-2-1:1999 + A1.2003)
Mesure et gestion de la couleur dans les
systèmes et appareils multimédia
Partie 2-1: Gestion de la couleur
Espace chromatique RVB par défaut-sRVB
(inclut l’amendement A1:2003)
(CEI 61966-2-1:1999 + A1:2003)

Multimediasysteme und Geräte
Farbmessung und Farbmanagement

Teil 2-1: Vorgabe-RGB-Farbenraum-sRGB
(enthält Änderung A1:2003)
(IEC 61966-2-1:1999 + A1:2003)

This European Standard was approved by CENELEC on 2000-01-01. Amendment A1 was approved by
CENELEC on 2003-03-01. CENELEC 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 Central Secretariat or to any CENELEC 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 CENELEC member into its own language and
notified to the Central Secretariat has the same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Czech Republic,
Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway,
Portugal, Spain, Sweden, Switzerland and United Kingdom.

CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
Central Secretariat: rue de Stassart 35, B - 1050 Brussels
© 2003 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 61966-2-1:2000 + A1:2003 E


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EN 61966−2−1:2000

60966−2−1:2000

Foreword
The text of document 100/104/FDIS, future edition 1 of IEC 61966-2-1, prepared by IEC TC 100, Audio,
video and multimedia systems and equipment, was submitted to the IEC-CENELEC parallel vote and was
approved by CENELEC as EN 61966-2-1 on 2000-01-01.
The following dates were fixed:
—

—

latest date by which the EN has to be implemented at national
level by publication of an identical national standard or by
endorsement

(dop) 2000-10-01

latest date by which the national standards conflicting with the EN
have to be withdrawn

(dow) 2003-01-01

Annexes designated “normative” are part of the body of the standard.
Annexes designated “informative” are given for information only.
In this standard, annex ZA is normative and annexes A, B, C, D and E are informative.
Annex ZA has been added by CENELEC.

Endorsement notice

The text of the International Standard IEC 61966-2-1:1999 was approved by CENELEC as a European

Standard without any modification.

Foreword to amendment A1
The text of document 100/555A/FDIS, future amendment 1 to IEC 61966-2-1:1999, prepared by
IEC TC 100, Audio, video and multimedia systems and equipment, was submitted to the IEC-CENELEC
parallel vote and was approved by CENELEC as amendment A1 to EN 61966-2-1:2000 on 2003-03-01.
The following dates were fixed:
—

—

latest date by which the amendment has to be implemented at
national level by publication of an identical national standard or by
endorsement

(dop) 2003-12-01

latest date by which the national standards conflicting with the
amendment have to be withdrawn

(dow) 2006-03-01

Annexes designated “normative” are part of the body of the standard.
Annexes designated “informative” are given for information only.
In this standard, Annex F is normative and Annex G and H are informative.

Endorsement notice

The text of amendment 1:2003 to the International Standard IEC 61966-2-1:1999 was approved by
CENELEC as an amendment to the European Standard without any modification.

B ©SI 11 July 3002

© BSI 6 August 2003


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EN 61966−2−1:2000
60966−2−1:2000

Page 3
-67621 NE:10002

Page
C.6 Palette issues ...................................................................................................................20
C.6.1 Image does not have a colour table (>8 bpp), and client graphics
subsystem is not palletised..................................................................................20
C.6.2 Image has a colour table (8 bpp) and a client display is not palletised ...............20
C.6.3 Image does not have a colour table (>8 bpp) and a client display is palletised ..20
C.6.4 Image has a colour table (8 bpp) and was created using the
default palette and client display is palletised ......................................................21
C.6.5 Image has a colour table (8 bpp) and was created using an
arbitrary palette and client display is palletised ....................................................21
Annex D (informative) Typical viewing conditions ..................................................................22
Annex E (informative) Recommended treatment for viewing conditions ................................23
Annex F (normative) Default YCC encoding transformation for a standard
luma-chroma-chroma colour space: sYCC..............................................................25

Annex G (informative) Extended gamut encoding for sRGB: bg-sRGB and
its YCC transformation: bg-sYCC............................................................................30
Annex H (informative) CIELAB (L*a*b*) transformation..........................................................37
Bibliography ............................................................................................................................39
Annex ZA (normative) Normative references to international publications with their
corresponding European publications .....................................................................40

ｗｗｗ．ｂｚｆｘｗ．ｃｏｍ

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