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Introduction State of the art & related work odt2braille approach odt2braille architecture

odt2braille brings Braille to your Office. OVERVIEW. Introduction State of the art & related work odt2braille approach odt2braille architecture Accessibility checker Future work. Jan Engelen. odt2braille brings Braille to your Office. INTRODUCTION.

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Introduction State of the art & related work odt2braille approach odt2braille architecture

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  1. odt2braillebrings Braille to your Office OVERVIEW • Introduction • State of the art & related work • odt2braille approach • odt2braille architecture • Accessibility checker • Future work Jan Engelen

  2. odt2braillebrings Braille to your Office INTRODUCTION • Braille production = expensive, time-consuming • Typical workflow = multi-stage process • scanning, OCR • verify, edit • add markup • Braille formatting & translation • Separate tools for each task, duplication of documents, synchronization issues, ... Jan Engelen

  3. odt2braillebrings Braille to your Office INTRODUCTION Jan Engelen

  4. odt2braillebrings Braille to your Office INTRODUCTION • Need to: • reduce cost of Braille production • provide open translation systems • make Braille production more open, available and straightforward for individuals Jan Engelen

  5. odt2braillebrings Braille to your Office RELATED WORK • AutoBraille/NorBraille • DAISY XML  Braille • Norway, Denmark, Iceland • BrailleBlaster • DAISY XML / HTML / DOC / PDF  Braille • open-source, multi-platform, fully accessible application • Dotify • open-source translation system for Java • define components for sharing between implementations • establish more modular approach to Braille translation • (17h00 @ room HS 8) Jan Engelen

  6. odt2braillebrings Braille to your Office APPROACH Jan Engelen

  7. odt2braillebrings Braille to your Office APPROACH • Open Document Format (ODF)as master format • more common and more general-purpose than DAISY • widespread, well-established • many authoring applications • truly accessible (cfr. accessibility tools) • automatic conversion to Braille, DAISY (odt2daisy), Bliss (Concept Coded Framework), large print, etc. Jan Engelen

  8. odt2braillebrings Braille to your Office APPROACH • Free and open-source • http://odt2braille.sourceforge.net • OpenOffice.org / LibreOffice extension Jan Engelen

  9. odt2braillebrings Braille to your Office APPROACH • Smooth integration in a major office suite • not mimicking word-processing features • integrated in existing mainstream word-processor • flat learning curve (experienced in Braille or not) • all functionality embedded in authoring environment • greatly simplifies Braille production workflow Jan Engelen

  10. odt2braillebrings Braille to your Office APPROACH • Separation of content and style • 1 content, multiple forms • provide different presentations on an on-demand basis using stylesheets • Ink-printing: rich layout (for sighted users) • Braille: basic Braille layout • DAISY • ... • Braille stylesheet is stored with content and other stylesheets in the ODT file Jan Engelen

  11. odt2braillebrings Braille to your Office APPROACH • Large scope and flexibility • ambitious: targets all of Europe (& whole world) • broad range of Braille alphabets, rules & conventions • flexible • impressive number of languages • high degree of layout customisation • suitable for professionals • understandable & user-friendly • transcribe according to existing Braille formatting guidelines, requiring minimum of user interaction Jan Engelen

  12. odt2braillebrings Braille to your Office ARCHITECTURE Jan Engelen

  13. odt2braillebrings Braille to your Office ARCHITECTURE • Preproccesor • transform original content/stylesheets to alternative representation that is suitable as input for Braille formatter • Formatter • produce Braille file in PEF-format • Liblouisxml/Liblouis • PEF processor • convert PEF to other file formats • print on a Braille embosser • Braille Utils Jan Engelen

  14. odt2braillebrings Braille to your Office ARCHITECTURE • Liblouisxml • open-source library for Braille transcription of XML • on top of Liblouis: open-source Braille translation and hyphenation engine Jan Engelen

  15. odt2braillebrings Braille to your Office ARCHITECTURE • Braille Utils • cross-platform API for embossing and converting Braille • Portable Embosser Format (PEF) • accurate & unambiguous • structure: markup (XML) ↔ control characters • content: locale-independent Unicode Braille ↔ ASCII • PDF of Braille • embossers: Index Braille, Braillo, Interpoint, ViewPlus, CIDAT, Enabling Technologies, Mountbatten Jan Engelen

  16. odt2braillebrings Braille to your Office ACCESSIBILITY CHECKER • Valid & usable Braille < accessible source document • OpenOffice.org / LibreOffice extension • Make checking accessibility as straightforward as checking spelling • errors & warnings • repair suggestions • (semi-)automatic repair functions Jan Engelen

  17. odt2braillebrings Braille to your Office FUTURE WORK • More extensive embosser support • More accurate Braille translations • Availability on more platforms (i.e. Mac OS) Jan Engelen

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