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World Wide Web Consortium (W3C) Expands Emmy® Award-Winning Work on Captions and Subtitles for More Accessible Video Content

24 May 2016 | Archive

Picture of a movie clip showing the subtitlesW3C has published new global guidelines, TTML Profiles for Internet Media Subtitles and Captions 1.0 IMSC1 as a W3C Recommendation, that will improve accessibility and make it easier and less expensive for distributors of online video content to deliver subtitles and closed captions worldwide.

An application of the W3C’s Emmy® award-winning Timed Text Markup Language (TTML), TTML Profiles for IMSC1 simplifies authoring and processing of subtitles and captions worldwide by harmonizing popular profiles of TTML. In addition, W3C’s TTML Working Group updated the working draft of TTML 2, the second version of Timed Text Markup Language (TTML), which adds features introduced in IMSC1 as well as other improvements, such as additional support for East Asian language typography, stereoscopic presentations, and mapping to HTML and CSS.

Described as a harmonization point for subtitling practices around the world, the IMSC1 global standard helps to bring together standards, rather than creating further fragmentation. Compatible with common media container formats, IMSC1 integrates with existing workflows, content libraries, and captioning requirements by offering conversion from popular captioning formats. You may read more in the press release.

W3C Invites Implementations of CSS Flexible Box Layout Module Level 1

26 May 2016 | Archive

The Cascading Style Sheets (CSS) Working Group invites implementation of the Candidate Recommendation of CSS Flexible Box Layout Module Level 1. The specification describes a CSS box model optimized for user interface design. In the flex layout model, the children of a flex container can be laid out in any direction, and can “flex” their sizes, either growing to fill unused space or shrinking to avoid overflowing the parent. Both horizontal and vertical alignment of the children can be easily manipulated. Nesting of these boxes (horizontal inside vertical, or vertical inside horizontal) can be used to build layouts in two dimensions.

Webmention is a W3C Candidate Recommendation (Call for Implementation)

24 May 2016 | Archive

The W3C Social Web Working Group is calling for implementations of Webmention, which is now a Candidate Recommendation. Webmention provides a mechanism for a website to notify other websites that it has content which links to them and when the source content changes or is deleted. This mechanism is a core building block for a decentralized (social) Web because it allows sites to automatically learn about connected content without any prior setup or agreement. For users, an immediate benefit is cross-site comments. Before being brought to W3C for standardization, Webmention already had twenty-seven independent implementations in the IndieWebCamp community.

Three Drafts Published by the Data on the Web Best Practices WG

19 May 2016 | Archive

The Data on the Web Best Practices Working Group has published three documents for which reviews are actively sought.

  • The Data on the Web Best Practices document offers advice on how data of all kinds – government, research, commercial – can be shared on the Web, whether openly or not. The underlying aim is to make data intelligently available, maximizing the likelihood of its discovery and reuse. The provision of a variety of metadata, the use of URIs as identifiers and multiple access options are key to this. The Working Group believes that the document is now complete and is seeking review before the transition to Candidate Recommendation (call for implementations).
  • Two new vocabularies accompany the Best Practices document:

  • The Dataset Usage Vocabulary offers a framework in which citations, comments, and uses of data within applications can be structured. The aim is to benefit data publishers by enabling assessment of the impact of their efforts to share data, and to benefit data users by encouraging the continued availability of data and the visibility of their own work that uses it.
  • The Data Quality Vocabulary is a framework in which the quality of a dataset can be described, whether by the dataset publisher or by a broader community of users. It does not provide a formal, complete definition of quality, rather, it sets out a consistent means by which information can be provided such that a potential user of a dataset can make his/her own judgment about its fitness for purpose.
  • The vocabularies are seen as mature and the Working Group is seeking one last round of feedback to enable them to be published as Working Group Notes in the near future.

W3C Invites Implementations of Media Capture and Streams

19 May 2016 | Archive

The Web Real-Time Communications Working Group and Device and Sensors Working Group have published a Candidate Recommendation of Media Captures and Streams. This document defines a set of JavaScript APIs that allow local media, including audio and video, to be requested from a platform. It also defines APIs for requesting access to local multimedia devices, such as microphones or video cameras.

W3C Invites Implementations of CSS Cascading and Inheritance Level 3

19 May 2016 | Archive

The Cascading Style Sheets (CSS) Working Group invites implementation of the Candidate Recommendation of CSS Cascading and Inheritance Level 3. One of the fundamental design principles of CSS is cascading, which allows several style sheets to influence the presentation of a document. When different declarations try to set a value for the same element/property combination, the conflicts must somehow be resolved.

New Videos: Perspectives on Web Accessibility – Essential for Some, Useful for All

17 May 2016 | Archive

Photo of a man holding a hand-held device, a guiding dog at his feet

The WAI Education and Outreach Working Group (EOWG) has posted the first version of Web Accessibility Perspectives that explores the impact of accessibility for people with disabilities and the benefits for everyone. This resource introduces 10 web accessibility topics with short videos, brief descriptions, and links to learn more. The videos relate the benefits of accessibility to everyone in different situations, and encourage viewers to learn more about web accessibility. Read about the Web Accessibility Initiative (WAI).

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