odt 2 braille brings Braille to your Office

odt 2 braille brings Braille to your Office OVERVIEW • • • Introduction State of the art & related work odt 2 braille approach odt 2 braille architecture Accessibility checker Future work Jan Engelen

odt 2 braille brings 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

odt 2 braille brings Braille to your Office INTRODUCTION Jan Engelen

odt 2 braille brings 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

odt 2 braille brings Braille to your Office RELATED WORK • Auto. Braille/Nor. Braille • DAISY XML Braille • Norway, Denmark, Iceland • Braille. Blaster • 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 (17 h 00 @ room HS 8) Jan Engelen

odt 2 braille brings Braille to your Office APPROACH Jan Engelen

odt 2 braille brings 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 (odt 2 daisy), Bliss (Concept Coded Framework), large print, etc. Jan Engelen

odt 2 braille brings Braille to your Office APPROACH • Free and open-source – http: //odt 2 braille. sourceforge. net – Open. Office. org / Libre. Office extension Jan Engelen

odt 2 braille brings 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

odt 2 braille brings 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

odt 2 braille brings 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

odt 2 braille brings Braille to your Office ARCHITECTURE Jan Engelen

odt 2 braille brings 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

odt 2 braille brings 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

odt 2 braille brings 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, View. Plus, CIDAT, Enabling Technologies, Mountbatten Jan Engelen

odt 2 braille brings Braille to your Office ACCESSIBILITY CHECKER • Valid & usable Braille < accessible source document • Open. Office. org / Libre. Office extension • Make checking accessibility as straightforward as checking spelling – errors & warnings – repair suggestions – (semi-)automatic repair functions Jan Engelen

odt 2 braille brings Braille to your Office FUTURE WORK • More extensive embosser support • More accurate Braille translations • Availability on more platforms (i. e. Mac OS) Jan Engelen