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ePub accessibility 上智大学 田村先生

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日本電子出版協会
2016.03.30

Published in: Internet
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ePub accessibility 上智大学 田村先生

  1. 1. ePubアクセシビリティ 上智大学 田村恭久 IMS グローバル・ラーニング・コンソーシアム標準の最新動向 2016-3-30 @研究社英語センター
  2. 2. アクセシビリティとは • 障がい者や高齢者 – 失視 – 弱視 (low vision):低視力、色弱、視野狭窄 – 聴覚/発声/運動障がい • アクセシビリティ=「閲覧しやすさ」 – TTS (Text-to-Speech) – 文字の拡大、白黒反転 2
  3. 3. EPUB関連のアクセシビリティ規格 DAISY AI※ 2012 DAISY 2 1998 DAISY 3 2002 EPUB 3 2011 EPUB 2007 EPUB 2.01 2010 ※AI: Authoring and Interchange:製作・交換用フォーマット ANSI/NISO Z39.98-2012 として標準化 WAI-ARIA 1.0 2014 EPUB 3.01 2014 DAISY IDPF W3C
  4. 4. EPUB 3.1 Accessibility Enhancements Matt Garrish, DAISY Consortium EPUB Accessibility and EDUPUB Alliance Summit 2016-2-24 University of Maryland University College
  5. 5. WAI-ARIA※ Integration • Change from epub:type to ARIA role attribute – Compatible with both XHTML and HTML – Broader integration with assistive technologies • WAI-ARIA Digital Publishing Module – https://www.w3.org/TR/dpub-aria-1.0/ • Under development – Identifying types of links – Extended descriptions ※Web Accessibility Initiative – Accessible Rich Internet Applications
  6. 6. Metadata • Discoverability – Requirement for schema.org accessibility metadata – Introduction of accessMode and accessModeSufficient – Identification of text/audio synchronization (Media Overlays) – Identify EPUBs that are audiobooks • Braille identification – Extending accessibilityFeature=braille – Need to develop naming conventions • EPUB certification
  7. 7. Audio Enhancements • Addition of a new voice-optimized codec – OPUS • Audio labels in the navigation document • Media Overlays enhancements – Highlighting for when playback suspended
  8. 8. Accessibility Profile • Ensure requirements that can be applied to 3.0/3.1/x.x Publications • Allow each specification/profile to indicate conformance – EPUB 3.1 might start as a “should”, while EPUB for Education could enforce as a “must”
  9. 9. Profile Outline • Four key content areas: – Publication Level – Navigation, Reading Order, Playback – Document Level – WCAG, WAI-ARIA, Fixed Layouts – Metadata – Discovery, Media Overlays, Braille – Packaging – DRM, Multiple Renditions • Machine and Human Testing

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