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Audio and video alternatives guideline subgroup
IRC channel: irc.w3.org channel: #wcag3-media-alternatives
Lead: TBD, Contact the Accessibility Guidelines Working Group Planning [email protected] for contact info
Prior Lead(s): Mike Crabb
The XR Subgroup of the Silver Task Force drafted a Captions guideline for the First Public Working Draft of WCAG3 to demonstrate that WCAG3 could be used with emerging technology. They produced a lot of useful information on user needs and several Methods and tests to support Captions guideline.
- XR Strategy White Paper Draft
- How-To: XR Captioning
- Method: Reflow of captions
- Method: Provide Text Equivalents for speech and key sound effects
- Method: Provides visual equivalent of speech and non-speech audio metadata
- Summary of Guideline and Outcomes for TR - Github branch with project info]
- Project of status on developing documents
- XR Captioning User Requirements - Github project.
- Functional Outcomes draft
Results of 2022 Analysis of WCAG2 that could apply to this guideline
| WCAG2 Analysis Doc | SC Name |
|---|---|
| 1.2.1 | Audio-only and Video-only (Prerecorded) |
| 1.2.1a | - Has audio alternative |
| 1.2.1b | - Has video alternative |
| 1.2.1c | - Has text video alternative |
| 1.2.1d | - Audio alternative is equivalent |
| 1.2.1e | - Video alternative is equivalent |
| 1.2.1f | - Audio alternative includes implicit content |
| 1.2.1g | - Video alternative includes implicit content |
| 1.2.1h | - Video alternative uses plain language |
|
1.2.2 1.2.2 (alternate) |
Captions (Prerecorded) |
| 1.2.2a | Has Captions |
| 1.2.2b | Quality of Captions |
| 1.2.2c | Consistent style of captions |
| 1.2.2d | Captions are synchronous |
| 1.2.2e | Captions are complete |
| 1.2.2f | Captions are properly placed |
| 1.2.3 | Audio Description or Media Alternative (Prerecorded) |
| 1.2.4 | Captions (Live) |
| 1.2.4a | Has Captions |
| 1.2.4b | Quality of Captions (Captions are Accurate) |
| 1.2.4c | Captions are synchronous |
| 1.2.4d | Captions are complete |
| 1.2.4e | Captions are properly placed |
| 1.2.5 | Audio Description (Prerecorded) |
- [List of links to minutes or note from all subgroup meetings with most recent minutes on top]
- [Links to key research that supports the work]
- Thread from Immersive Caption on location data in caption meta-data
- XR and Emerging Technologies - from Joshue
- XR Accessibility User Requirements
- Report from W3C Inclusive Design for Immersive Web standards
- Disruptive Approaches for Subtitling in Immersive Environments - (PDF) BBC's Chris Hughes (and others) research on captioning in XR
- W3C Media Accessibility User Requirements (MAUR)
- Designing Subtitles for 360 Content
- Enhancing Subtitles
- Feels Like Rain - haptic experiment at BBC
- Immersive Captions Breakout from XRAccess Conference
- XRAccess Conference - Notes from Immersive Captioning session
- Virtual World Society
- XR Access Symposium Mozilla Hubs Experimental Virtual Reality Session
- Getting Started with Hubs
- Training Experts in Inclusive Practice for an Equity Access to Culture in Europe
- Tactile Images
- Demos from XR Access Symposium
- BBC's Designing Subtitles for 360 Content
- Enhancing Subtitles - BBC
- Requirements for subtitles and text in WebXR - Immersive Web #40
- Use Cases for Subtitles in 360 (Immersive Web #39)
- Standardisation of 360 Video Playback (Immersive Web #55)
- Immersive Accessibility Group
- Mozilla Immersive Custom elements
- W3C 360 Workshop on Cloud Streaming (Slide 9)
- W3C 360 Video Meeting Minutes
- [YY-MM-DD] - [decision brief description]
- TBD
- Mike Crabb (lead)
- Joshue O'Connor
- Bruce Bailey
- Jeanne Spellman
- Charles Hall
- Suzanne Taylor
- Sheri Byrne-Haber
- Janina Sajka
WCAG3 is a project of the W3C Accessibility Guidelines Working Group (AGWG). Research and prototyping was done by the Silver Task Force. Archival and additional material for this project can be found on the Silver wiki and the Silver Github wiki.
This Wiki page is edited by participants of the Accessibility Guidelines Working Group. It does not necessarily represent consensus and it may have incorrect information or information that is not supported by other Working Group participants, WAI, or W3C. It may also have some very useful information.
- Outcome List by Categories from 2024 Card Sort
- Focus Appearance Outcome Scratchpad (Exploratory to Developing)
- Guideline List - Exploratory guidelines 2023
- AGWG TPAC 2024 - a slide deck with links to the the conformance work at 2024 W3C TPAC Face to Face Meeting.
- Conformance Proposal Comparison -- 2024 Q2 table comparing essential parts of different proposals.
- Draft of Analyzing Conformance Options - Feb-Apr 2024
- Conformance Archive and Proposals from 2018 to present
- Guidance for Policy Makers Subgroup
- Early proposal for decision tree based conformance - early thoughts on what a decision tree could look like in a conformance proposal.
These links leave WCAG3 for archived Silver github wiki. Permissions may differ.