[bksvol-discuss] Re: Bookshare.org and PDF
- From: "Tracy Carcione" <carcione@xxxxxxxxxx>
- To: bksvol-discuss@xxxxxxxxxxxxx
- Date: Mon, 26 Mar 2007 09:45:37 -0400 (EDT)
When you say it's easily converted to Daisy, do you also mean BRF? I do
not want braille to be the poor forgotten stepchild it often seems to be.
Tracy
> Lisa brought my attention some of the discussion about PDF happening on
> one of the Bookshare.org lists. I just gave a presentation with Adobe
> at CSUN, and have posted the presentation below.
>
>
>
> The short story is that we should be able to turn tagged PDF into DAISY
> very easily. And, that untagged PDF is still a big problem. Some of
> the books we're getting from publishers are coming in tagged PDF, so
> this is an attractive approach for us.
>
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> Jim
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> Accessible PDF to DAISY/NIMAS Conversion
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> Jim Fruchterman, Benetech
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> Andres Gonzalez, Mike Wirth, Adobe Systems Inc.
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> March, 2007
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> * Bookshare and the PDF/XML Need
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> * Adobe's Acrobat Accessibility Work
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> * Technology Demonstration
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> I. Bookshare and the PDF/XML Need
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> Bookshare.org
> A library of digital text
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> * 31,000 accessible XML Books
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> * 95% come from volunteer scanning
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> * Repository is growing at a rate of 400-500 books a month
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> * Increasing numbers coming directly from publishers and authors
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> * Better quality than scanned
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> * International permissions
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> * Format conversion challenge
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> DAISY format
> Digital Audio-based Information System
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> * The DAISY XML standard is our core format
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> * Books are read on a computer using synthetic speech
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> * NISO/DAISY 3.0 XML specification enables text-based navigation,
> such as page numbers, and paragraphs
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> * Think of it as a web page (HTML) plus a couple of extra tags (page
> numbers, chapters)
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> * NIMAS (the new K-12 accessible textbook standard in the U.S.) is
> based on DAISY
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> Need to convert PDF to XML
> Transforming visual to accessible
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> * Most publishers are able to create PDF of their books
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> * Goal is a smooth transformation from accessible PDF to DAISY
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> * Turning PDF books and documents into highly accessible DAISY
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> PDF Structure and Accessibility
> Tagged PDF
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> * Became part of the PDF specs in Acrobat 5 motivated by:
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> * eBooks
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> * Accessibility
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> * Adds document structure and logical order to PDF:
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> * Pages, paragraphs, tables
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> * Reading order
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> * Can be semantically rich
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> * Preserves PDF visual fidelity and portability
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> Creating Tagged PDF
> Tagging PDF
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> * MakeAccessible
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> * Automatically adds tags to an existing untagged PDF
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> * TouchUp
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> * Allows authors to add and correct tagging
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> * Accessibility checker
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> * Checks for common tagging problems and provides suggestions how to
> fix them
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> * PDFMaker
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> * Creates tagged PDF from other authoring applications.
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> Tagged PDF to DAISY Conversion
> PDDOM
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> * XML DOM-like representation of PDF
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> * Provides programmatic access to the tag structure of the PDF file
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> * Cornerstone for Acrobat's
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> * Assistive technologies support
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> * PDF conversion to XML
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> Tagged PDF to DAISY Conversion
> Acrobat SaveAsXML relies on PDDOM
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> * Scriptable XML parsing engine to produce different types of
> XML-based outputs
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> * Had to be extended to produce DAISY
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> * To include page numbers
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> * Layout and formatting information
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> * XML post-processing of SaveAsXML output produces DAISY
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> Demonstration of Current Prototype Technology
> Demo of a real eBook from a major publisher
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> * Starting point: A tagged PDF novel
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> * Taliesin by Stephen Lawhead
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> * Using Acrobat, Save As XML
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> * We have modified to save DAISY tags
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> * Converts PDF tags into equivalent XML
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> * Next, need to add key metadata
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> * For DAISY, four main fields
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> * Final, create DAISY ebook
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> * Show it in gh Player
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> Conclusion
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> * PDF to XML Technology works well on most tagged PDF documents
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> * Needs to be wrapped into a user-friendly package
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> * Web-based service for schools and qualified users
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> * Tool for Acrobat users
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> * Need to complete work and testing
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> * Complex books (textbooks) will still take human intervention to
> create fully compliant NIMAS
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> * Existence of this capability should serve to drive increased
> creation of accessible PDF
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> Find out More
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> Adobe Accessibility Bookshare.org
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> www.adobe.com/accessibility <http://www.adobe.com/accessibility>
> www.bookshare.org <http://www.bookshare.org/>
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> Mike Wirth, Lisa Friendly
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> mwirth@xxxxxxxxx <mailto:mwirth@xxxxxxxxx> 650-644-3420
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> Lisa.f@xxxxxxxxxxxx <mailto:Lisa.f@xxxxxxxxxxxx>
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> Andres Gonzalez Jim Fruchterman
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> andgonza@xxxxxxxxx <mailto:andgonza@xxxxxxxxx> jim@xxxxxxxxxxxx
> <mailto:jim@xxxxxxxxxxxx>
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