EN 61966-12-1:2011

SLOVENSKI STANDARD
01-julij-2011
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Multimedia systems and equipment - Colour measurement and management - Part 12:
Metadata for identification of colour gamut (Gamut ID) (IEC 61966-12-1:2011)
Multimediasysteme und -geräte - Farbmessung und Farbmanagement - Teil 12-1:
Metadaten für die Kennzeichnung des Farbumfangs (Gamut-ID) (IEC 61966-12-1:2011)
Systèmes et appareils multimédia - Mesure et gestion de la couleur - Partie 12-1:
Métadonnées d'identification de gamme de couleurs (Gamut ID) (CEI 61966-12-1:2011)
Ta slovenski standard je istoveten z: EN 61966-12-1:2011
ICS:
17.180.20 Barve in merjenje svetlobe Colours and measurement of
light
33.160.60 9HþSUHGVWDYQLPXOWLPHGLMVNL Multimedia systems and
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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD
EN 61966-12-1
NORME EUROPÉENNE
March 2011
EUROPÄISCHE NORM
ICS 17.180.20; 33.160
English version
Multimedia systems and equipment -
Colour measurement and management -
Part 12-1: Metadata for identification of colour gamut (Gamut ID)
(IEC 61966-12-1:2011)
Systèmes et appareils multimédia -  Multimediasysteme und -geräte -
Mesure et gestion de la couleur - Farbmessung und Farbmanagement -
Partie 12-1: Métadonnées d'identification Teil 12-1: Metadaten für die
de gamme de couleurs (Gamut ID) Kennzeichnung des Farbumfangs
(CEI 61966-12-1:2011) (Gamut-ID)
(IEC 61966-12-1:2011)
This European Standard was approved by CENELEC on 2011-02-16. 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, Bulgaria, Croatia, Cyprus,
the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy,
Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia,
Spain, Sweden, Switzerland and the United Kingdom.

CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung

Management Centre: Avenue Marnix 17, B - 1000 Brussels

© 2011 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 61966-12-1:2011 E
Foreword
The text of document 100/1757/FDIS, future edition 1 of IEC 61966-12-1, prepared by technical area 2,
Colour measurement and management, of 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 61966-12-1 on 2011-02-16.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN and CENELEC shall not be held responsible for identifying any or all such patent
rights.
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) 2011-11-16
– latest date by which the national standards conflicting
with the EN have to be withdrawn (dow) 2014-02-16
Annex ZA has been added by CENELEC.
__________
Endorsement notice
The text of the International Standard IEC 61966-12-1:2011 was approved by CENELEC as a European
Standard without any modification.
__________
- 3 - EN 61966-12-1:2011
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications

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.

NOTE  When an international publication has been modified by common modifications, indicated by (mod), the relevant EN/HD
applies.
Publication Year Title EN/HD Year

IEC 60050-845 1987 International Electrotechnical Vocabulary - -
(IEV) -
Chapter 845: Lighting
IEC 61966-2-4 2006 Multimedia systems and equipment - Colour EN 61966-2-4 2006
measurement and management -
Part 2-4: Colour management - Extended-
gamut YCC colour space for video
applications - xvYCC
ISO 15076-1 2005 Image technology colour management - - -
Architecture, profile format
and data structure -
Part 1: Based on ICC.1:2004-10

ISO 22028-1 2004 Photography and graphic technology - - -
Extended colour encodings for digital image
storage, manipulation and interchange -
Part 1: Architecture and requirements

ITU-R BT.709-5 2002 Parameter values for the HDTV standards - -
for production and international programme
exchange
CIE 15 2004 Colorimetry - -
SMPTE 274M 2005 SMPTE Standard for Television - - -
1920 x 1080 Image Sample Structure, Digital
Representation and Digital Timing Reference
Sequences for Multiple Picture Rates

IEC 61966-12-1 ®
Edition 1.0 2011-01
INTERNATIONAL
STANDARD
colour
inside
Multimedia systems and equipment – &olour measurement and management –
Part 12-1: Metadata for identification of colour gamut (Gamut ID)

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
PRICE CODE
W
ICS 17.180.20; 33.160 ISBN 978-2-88912-309-4
– 2 – 61966-12-1 Ó IEC:2011(E)
CONTENTS
FOREW ORD . 4
INTRODUCTION . 6
1 Sc o pe . 7
2 Normative references . 7
3 Terms and definitions . 8
4 Abbrev iations . 8
5 Overview . 8
6 Header of Gamut ID metadata. 9
7 Description of gamut geometry (full profile) . 10
7.1 General . 10
7.2 Gamut geometry . 11
7.3 Header of description of gamut geometry. 12
7.4 Gamut instances . 14
7.5 Gamut hulls . 16
7.6 Gamut component . 17
7.6.1 General . 17
7.6.2 Packing of face indices . 17
7.7 Faces . 18
7.7.1 General . 18
7.7.2 Packing of vertex indices . 19
7.8 Vertices . 19
7.8.1 General . 19
7.8.2 Packing of colour space coordinates for vertices . 20
8 Description of gamut geometry (medium and simple profiles) . 21
8.1 General . 21
8.2 Medium profile . 21
8.3 Simple profile . 21
9 Description of colour reproduction . 22
Annex A (informative) Size of Gamut ID metadata . 25
Annex B (informative) Motivation and requirements . 26
Annex C (informative) Use of profiles . 32
Annex D (informative) Example of Gamut ID metadata in simple profile . 34
Bibliography . 38

Figure 1 – Logical structure of the description of gamut geometry (full profile) . 11
Figure B.1 – Scope of Gamut ID – Generation and use of metadata are not specified . 27
Figure B.2 – Example of a description of gamut geometry in CIEXYZ colour space
consisting of a set of triangular faces. 28
Figure B.3 – Example of a gamut with identified ridge due to colorant channels . 30
Figure B.4 – Example of a non-convex gamut with two convex gamut hulls. 31

Table 1 – Format of Gamut ID metadata . 8
Table 2 – Header of Gamut ID metadata . 9
Table 3 – Bit depth for encoding of a colour space coordinate . 10

61966-12-1 Ó IEC:2011(E) – 3 –
Table 4 – Description of gamut geometry . 12
Table 5 – Header of description of gamut geometry . 13
Table 6 – Gamut instances . 14
Table 7 – ith Gamut instance . 15
Table 8 – Gamut hulls . 16
Table 9 – hth gamut hull . 16
Table 10 – Definition of gamut components . 17
Table 11 – cth gamut component. 17
Table 12 – Example for packing of gamut components . 18
Table 13 – Definition of faces . 18
Table 14 – Example for packing of faces . 19
Table 15 – Vertices. 20
Table 16 – Packing of 10-bit colour space coordinates . 20
Table 17 – Packing of 12-bit colour space coordinates . 21
Table 18 – Description of gamut geometry (simple profile) . 22
Table 19 – Header of description of gamut geometry (simple profile) . 22
Table 20 – Definition of vertices (simple profile) . 22
Table B.1 – Requirements and Gamut ID features . 29
Table C.1 – Profiles for the description of gamut geometry . 32
Table D.1 – Colour gamut for digital cinema . 34
Table D.2 – Example for the header . 34
Table D.3 – Example for the header of description of gamut geometry . 35
Table D.4 – Example of definition of vertices . 35

– 4 – 61966-12-1 Ó IEC:2011(E)
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
MULTIMEDIA SYSTEMS AND EQUIPMENT –
COLOUR MEASUREMENT AND MANAGEMENT –

Part 12-1: Metadata for identification of colour gamut (Gamut ID)

FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standa
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