Synchronization Accessibility User Requirements

Abstract

This document summarizes relevant research, then outlines accessibility-related user needs and associated requirements for the synchronization of audio and visual media. The scope of the discussion includes synchronization of accessibility-related components of multimedia, such as captions, sign language interpretation, and descriptions. The requirements identified herein are also applicable to multimedia content in general, as well as real-time communication applications and media occurring in immersive environments.

The purpose of this document is to identify and to characterize synchronization-related needs. It does not constitute normative guidance. It may, nevertheless, influence the further development of W3C specifications, including accessibility guidelines and media-related technologies. It may also be applied to the development of multimedia content and applications to enhance accessibility.

Status of This Document

This section describes the status of this document at the time of its publication. A list of current W3C publications and the latest revision of this technical report can be found in the W3C technical reports index at https://www.w3.org/TR/.

This document was published by the Accessible Platform Architectures Working Group as a Group Note using the Note track.

This Group Note is endorsed by the Accessible Platform Architectures Working Group, but is not endorsed by W3C itself nor its Members.

This is a draft document and may be updated, replaced or obsoleted by other documents at any time. It is inappropriate to cite this document as other than work in progress.

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This document is governed by the 2 November 2021 W3C Process Document.