EN 61966-2-4:2006/A1:2016

Multimedia systems and equipment - Colour measurement and management - Part 2-4: Colour management - Extended-gamut YCC colour space for video applications - xvYCC

Multimediasysteme und -geräte - Farbmessung und Farbmanagement - Teil 2-4: Farbmanagement - Erweiterter YCC-Farbraum für Videoanwendungen - xvYCC

Systèmes et appareils multimédia - Mesure et gestion de la couleur - Partie 2-4: Gestion de la couleur - Extension de gamme de l'espace chromatique YCC pour applications vidéo - xvYCCC

Večpredstavnostni sistemi in oprema - Merjenje in upravljanje barv - 2-4. del: Upravljanje barv - Razširjena lestvica v YCC-barvnem prostoru za video aplikacije - xvYCC

General Information

• Status: Published
• Publication Date: 01-Sep-2016
• Withdrawal Date: 01-Jun-2019
• ICS: 33.160.40 - Video systems
• Technical Committee: CLC/TC 100X - Audio, video and multimedia systems and equipment and related sub-systems
• Drafting Committee: IEC/TC 100 - IEC_TC_100
• Current Stage: 9093 - Decision to confirm - Review Enquiry
• Start Date: 27-Apr-2026
• Completion Date: 05-May-2026
• Ref Project: SIST EN 61966-2-4:2007/A1:2016 - Multimedia systems and equipment - Colour measurement and management - Part 2-4: Colour management - Extended-gamut YCC colour space for video applications - xvYCC

Relations

• Amends: EN 61966-2-4:2006 - Multimedia systems and equipment - Colour measurement and management - Part 2-4: Colour management - Extended-gamut YCC colour space for video applications - xvYCC
• Effective Date: 10-Mar-2015

Overview

EN 61966-2-4:2006/A1:2016 is a European standard developed by CENELEC (CLC) that addresses extended-gamut colour management for multimedia systems and equipment, specifically for video applications. This standard focuses on the use of the xvYCC colour space, which offers a broader range of reproducible colours compared to conventional video colour spaces. By implementing xvYCC, multimedia and consumer electronics manufacturers can provide richer and more accurate colour representation on displays, enhancing the visual experience for end users.

Key Topics

• Extended-gamut Colour Space: xvYCC (extended-gamut YCC) is designed to go beyond the conventional colour gamuts specified in traditional standards, allowing for more vivid and lifelike images.
• Colour Measurement and Management: The standard establishes requirements for measuring, managing, and exchanging colour information between different multimedia systems and equipment, ensuring colour consistency throughout the video workflow.
• Interoperability: Promotes compatibility among devices and systems by providing clear guidelines for colour information handling using the xvYCC colour space.
• Relationship with Metadata: Reference is made to related standards like IEC 61966-12-1 and IEC 61966-12-2 for metadata, which facilitates identification and accurate communication of colour gamut information in the video chain.
• Comparison with Other Colour Spaces: It notes the role of alternative wide-gamut colour spaces like ITU-R BT.2020 and SMPTE standards and underlines the importance of standardizing the metadata and signalling required for each.

Applications

EN 61966-2-4:2006/A1:2016 has significant practical value for various sectors in the multimedia and consumer electronics industries:

• Consumer Display Devices: Ideal for televisions, monitors, and projectors that support high-definition and wide-gamut content, enabling enhanced realism and visual richness.
• Video Production and Post-Processing: Essential for devices and workflows that capture, edit, process, or transmit extended-gamut video content, ensuring accurate colour rendering across all stages.
• Content Distribution: Facilitates the reliable exchange of video content between capture devices, editing suites, broadcasters, and consumer playback devices, maintaining intended colour fidelity.
• Ensuring Backward Compatibility: Devices that implement xvYCC must also recognize the significance of metadata standards, such as IEC 61966-12-2, to signal and interpret the target display’s gamut for correct reproduction on various devices.
• Adoption in Emerging Technologies: Supports transitions to ultra-high definition (UHD), HDR, and other immersive media formats that rely on wide-gamut colour spaces for delivering next-generation viewing experiences.

Related Standards

To ensure effective colour measurement and management across the multimedia ecosystem, the following related standards are noteworthy:

• IEC 61966-12-1: Metadata for identification of colour gamut (Gamut ID) - defines how display gamuts can be described for interoperability.
• IEC 61966-12-2: Simple Metadata format for identification of colour gamut - offers a streamlined method compatible with most consumer electronic devices.
• ITU-R BT.2020: Covers parameter values for ultra-high definition television systems, including extended colour gamuts for UHDTV production.
• SMPTE ST 428-1 and ST 2086: Provide standards for digital cinema master image characteristics and metadata supporting advanced colour volume.

By adhering to EN 61966-2-4:2006/A1:2016 and its related standards, organizations can ensure high-quality, interoperable video content with accurate, vibrant colour reproduction across a range of multimedia systems and equipment.

Standards Content (Sample)

SLOVENSKI STANDARD
01-december-2016
9HþSUHGVWDYQRVWQLVLVWHPLLQRSUHPD0HUMHQMHLQXSUDYOMDQMHEDUYGHO
8SUDYOMDQMHEDUY5D]ãLUMHQDOHVWYLFDY<&&EDUYQHPSURVWRUX]DYLGHRDSOLNDFLMH
[Y<&&
Multimedia systems and equipment - Colour measurement and management - Part 2-4:
Colour management - Extended-gamut YCC colour space for video applications - xvYCC
Multimediasysteme und -geräte - Farbmessung und Farbmanagement - Teil 2-4:
Farbmanagement - Erweiterter YCC-Farbraum für Videoanwendungen - xvYCC
Systèmes et appareils multimédia - Mesure et gestion de la couleur - Partie 2-4: Gestion
de la couleur - Extension de gamme de l'espace chromatique YCC pour applications
vidéo - xvYCCC
Ta slovenski standard je istoveten z: EN 61966-2-4:2006/A1:2016
ICS:
17.180.20 Barve in merjenje svetlobe Colours and measurement of
light
33.160.60 9HþSUHGVWDYQLPXOWLPHGLMVNL Multimedia systems and
VLVWHPLLQRSUHPD]D teleconferencing equipment
WHOHNRQIHUHQFH
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN 61966-2-4:2006/A1

NORME EUROPÉENNE
EUROPÄISCHE NORM
September 2016
ICS 33.160.40
English Version
Multimedia systems and equipment - Colour measurement and
management - Part 2-4: Colour management - Extended-gamut
YCC colour space for video applications - xvYCC
(IEC 61966-2-4:2006/A1:2016)
Systèmes et appareils multimédia - Mesure et gestion de la Multimediasysteme und -geräte - Farbmessung und
couleur - Partie 2-4: Gestion de la couleur - Extension de Farbmanagement - Teil 2-4: Farbmanagement - Erweiterter
gamme de l'espace chromatique YCC pour applications YCC-Farbraum für Videoanwendungen - xvYCC
vidéo - xvYCCC (IEC 61966-2-4:2006/A1:2016)
(IEC 61966-2-4:2006/A1:2016)
This amendment A1 modifies the European Standard EN 61966-2-4:2006; it was approved by CENELEC on 2016-06-02. CENELEC
members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this amendment 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 CENELEC member.
This amendment 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 CEN-CENELEC Management Centre 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, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and the United Kingdom.

European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2016 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN 61966-2-4:2006/A1:2016 E

European foreword
The text of document 100/2457A/CDV, future IEC 61966-2-4:2006/A1, prepared by IEC/TC 100, "Audio,
video and multimedia systems and equipment" was submitted to the IEC-CENELEC parallel vote and
approved by CENELEC as EN 61966-2-4:2006/A1:2016.
The following dates are fixed:
(dop) 2017-03-02
• latest date by which the document has
to be implemented at national level by
publication of an identical national
standard or by endorsement
(dow) 2019-06-02
• latest date by which the national
standards conflicting with the
document have to be withdrawn
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC [and/or CEN] shall not be held responsible for identifying any or all such patent
rights.
Endorsement notice
The text of the International Standard IEC 61966-2-4:2006/A1:2016 was approved by CENELEC as a
European Standard without any modification.
In the official version, for Bibliography, the following notes have to be added for the standards indicated:
Addition
IEC 61633-12-1:2011 NOTE Harmonized as EN 61633-12-1:2011.
IEC 61633-12-2:2014 NOTE Harmonized as EN 61633-12-2:2014.

IEC 61966-2-4 ®
Edition 1.0 2016-04
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
AM ENDMENT 1
AM ENDEMENT 1
Multimedia systems and equipment – Colour measurement and management –

Part 2-4: Colour management – Extended-gamut YCC colour space for video

applications – xvYCC
Systèmes et appareils multimédia – Mesure et gestion de la couleur –

Partie 2-4: Gestion de la couleur – Extension de gamme de l'espace chromatique
...