IEC 61966-2-1:1999 PDF

Name: IEC 61966-2-1:1999 — Multimedia systems and equipment - Colour measurement and management - Part 2-1: Colour management - Default RGB colour space - sRGB
SKU: IEC 61966-2-1:1999
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Multimedia systems and equipment - Colour measurement and management - Part 2-1: Colour management - Default RGB colour space - sRGB

Название (английский):

IEC 61966-2-1:1999

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

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 51
Дата публикации:: 18 октября 1999 г.
Издание:: IEC IS 61966 edition 1 version 1
ICS:: 33.160.60

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Описание (английский):

Applies to the encoding and communication of RGB colours used in computer systems and similar applications, by defining encoding transformations for use in defined reference conditions. The contents of the corrigendum of January 2014 have been included in this copy.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

IEC 61966-2-1:1999 is an international standard published by the International Electrotechnical Commission (IEC) that defines a default RGB colour space known as sRGB. This standard is applicable to the encoding and communication of RGB colours in digital imaging environments, particularly those used in computer systems, consumer electronics, and web-based multimedia applications. The sRGB colour space provides a common device-independent method for color representation and management, facilitating consistent colour reproduction across different hardware and software platforms. The 2014 corrigendum is included in this latest version, ensuring up-to-date guidelines.

Key Topics

sRGB Colour Space Definition: The standard specifies a default colour space for RGB images, designed to closely match the characteristics of typical computer display devices.

Encoding Transformations: IEC 61966-2-1 provides guidance on transformations between RGB values and device-independent colour spaces (such as CIE XYZ), ensuring accurate, device-independent colour communication.

Reference Conditions: Well-defined reference conditions are established for display systems, viewing environments, and observers to promote colour consistency.

Device Independence: By adopting a standard RGB space that is not tied to a particular device, the standard simplifies interoperability between different imaging systems.

Compatibility with Existing Systems: The sRGB standard is intended to be supported with minimal cost or change to existing software and hardware, making implementation straightforward for vendors.

Relationship to Colour Management Systems: sRGB is designed to work alongside established colour management solutions but can serve as a default profile when embedded colour profiles are not used or not supported.

Practical Usage Scenarios: Annexes in the standard address real-world scenarios involving images with and without embedded ICC profiles, palette management, and use with various authoring workflows.

Applications

IEC 61966-2-1:1999 (sRGB) plays a vital role in a wide range of practical applications, including:

Computer Monitors and Displays: Ensures consistency of colour display across different brands and models by providing a universal colour space.

Digital Cameras and Scanners: Standardizes the output so images look the same across compliant devices and software.

Printers and Printing Systems: Simplifies the colour conversion process between digital files and printed output.

Web Design and Internet Media: sRGB is the default colour space for the world wide web, ensuring content appears as intended regardless of the viewing device.

Operating Systems and Software: Enables operating systems and practical applications to process and display images in a consistent manner without requiring embedded profiles for every image.

Authoring and Content Creation: Content creators can rely on sRGB as a default, reducing the complexity of colour management in graphics, video, and multimedia workflows.

Related Standards

The sRGB standard is an integral part of the broader IEC 61966 series, which addresses colour measurement and management across various multimedia equipment and scenarios. Related standards include:

IEC 61966-1: General framework for colour measurement and management in multimedia systems.

IEC 61966-2-2 and subsequent parts: Address specific requirements for devices like CRTs, LCDs, plasma displays, projectors, printers, scanners, and digital cameras.

ITU-R BT.709: Colour space used in HDTV, with which sRGB shares compatibility.

International Color Consortium (ICC) Profiles: sRGB may be used as an implicit profile when explicit ICC profiles are absent, facilitating interoperability in workflows.

Conclusion

IEC 61966-2-1:1999 sRGB is the foundational standard for device-independent colour management in digital multimedia. By establishing clear, practical guidelines for RGB encoding and providing compatibility with a wide range of devices and systems, it is essential for anyone working in computer graphics, digital imaging, web design, and multimedia production seeking consistent and reliable colour reproduction.

IEC 61966-2-1:1999 PDF

Abstract

Похожие стандарты

Overview

Key Topics

Applications

Related Standards

Conclusion

Технические детали

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