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Processing PDF: How to Go from PDF to E-text to Audio Gaeir Dietrich Director High Tech Center Training Unit of the California Community Colleges Foothill Community College District
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PDF from Publishers Portable document format (PDF) Reads the same on any computer Looks like the book Smaller than TIFFs Contains all the text Always check to make sure the book is the right one! Easy for publishers
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Requesting through ATN Access Text Network Now free for requesting files from ATN- member publishers Paid membership to exchange files www.accesstext.org Not all publishers But ATN does have the largest ones
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Other Resources at ATN Accessible Textbook Finder http://www.accesstext.org/atf.php Link to Publisher Lookup http://www.publisherlookup.org/ Will have to contact non-ATN member publishers directly
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Using Publisher PDFs Sometimes students can use files directly Often files will need further processing for student use At the very least, large files may need to be broken into chapters
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PDF Strengths Good format for large print Cropping Fit to page on large pages Print sections on large pages (tiling) Adobe Reader has some nice features Change colors Reflow Limited voicing Works on both Mac and PC Easy for most publishers to create
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PDF Weaknesses Not always fully accessible Screen readers do not always like them— even when they are text-based Reading order can be problematic May be graphics (pictures of text) May have too much security
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As an Aside… When faculty create PDFs… The PDF always started as something else…usually a Word file Try to get the starting document if the student prefers audio Security concerns? Word files can be password protected Button > Prepare > Encrypt
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Types of PDF Documents Text-based Text can be selected Graphical Picture of text (i.e., a graphic) Text cannot be selected Use text-select tool to tell the difference Files may be “locked”
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Processing PDFs Adobe Acrobat Professional Check on College Buys for discount Good OCR program Abbyy FineReader Nuance OmniPage IF you are a Kurzweil campus, you will also need Kurzweil
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Adobe Tools Adobe Reader Free Useful for students who need minimal accessibility features http://www.adobe.com/products/reader/ Adobe Acrobat Professional Essential for alt media specialists Extract text, create accessible PDFs, enabled Adobe Reader features www.uscollegebuy.com Discounted Price
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Acrobat Reader Reads aloud But does not highlight or track Enlarges text Nice reflow feature Changes text/background colors Text highlighting, sticky notes, and comments Access for text-based PDFs
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Production Features in Reader Really designed for reading, not reformatting Export PDF Subscription service (about $20/year) Upload PDF file, service auto-converts to Word, download
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Process with Acrobat Pro Cropping Enlargement for printing Tiling Extracting/deleting pages Combining/inserting pages Text extraction Works best with text-based PDF Does have built-in OCR capability
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Customize Quick Tools Click on the “gear” View > Show/hide > Toolbar Items > Quick Tools
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Quick Tools Menu
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Customize
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Please Note To enable single-key shortcuts Open Preferences dialog box Ctrl + K Under General > select Use Single-Key Accelerators To Access Tools (first checkbox under Basic Tools)
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Cropping Tools > Pages > Crop Shortcut: C (Please note: This shortcut brings up the mouse-driven cropping tool—must double click to open the dialog box!)
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Crop Tool
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Crop Toolbox
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Enlarging Choose paper size/printer File > Print > Size…to Fit Shortcut: Ctrl + P (tab through) Tip: Crop document before enlarging
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Print to Fit
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Tiling Choose paper size/printer File > Print > Poster > Tile Scale and Overlap Shortcut: Ctrl + P (tab through) Tip: Crop document before tiling
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Enlarge with Tiling
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Extracting Pages Tools > Pages > Extract Delete Shortcut: Ctrl + Shift + D Extract Pages Shortcut: Alt V + T + P (opens Pages pane; F6 focuses in pane and can arrow down)
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Extraction Tool
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Tips for Extracting Chapters Crop on complete file before extracting Work on a copy!!!!! Extract from end toward front! Use table of contents to help Place focus on first page of chapter to extract (beginning with last)
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Starting from the Back
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Combining File > Pages > Insert OR Create > Combine files
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Inserting Pages
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Combining Pages
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Auto Extracting Text File > Save As > MS Word Retains styles and paragraphs File > Save As > More options… Text (Accessible) Lose styles, places hard returns at end of line Text (Plain) Lose styles, keeps paragraphs Shortcut: Alt F + A
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Save As Options
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Better Text Extraction OCR programs analyze text and structure Acrobat Pro has built-in OCR, but other programs provide more control Can control which text to include
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More Control over Text For graphical PDFs Or To maintain more control over extracting text from text-based PDFs Use an OCR program!
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Processing Graphical PDFs Must run optical character recognition (OCR) Computers cannot read pictures OCR programs recognize the “characters” in the picture How you process the file depends on the end format the student wants!
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Want to Stay in PDF? Sometimes students do want a text- based PDF Can OCR in Adobe Pro Tools> Recognize Text
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Under Tools
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Want Text Out OmniPage or FineReader FineReader generally easier to learn Save to Word or HTML or Text based on student preference Use virtual printer with Kurzweil Create KESI files R&W Save as Word
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Which One When? Want a Word file? Best choice is OmniPage or FineReader Want a Kurzweil document? Use Kurzweil to process the PDF For students to do themselves? Whichever program they prefer
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Why? OCR programs are designed to make extraction and editing easy Document readers (R&W, Kurzweil, etc.) are designed to make reading easy…NOT editing.
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NEVER!!! Do NOT run OCR with FineReader or OmniPage…save to PDF…and then take into Kurzweil, R&W, etc. Kurzweil, R&W, WYNN will run their own OCR on the PDF! Wastes time, adds error to do OCR twice
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OCR Programs Treat PDFs the same as a TIFF If you OCR scanned documents, use the same process Load image file Select zones Create templates as needed
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OCR Process Details Crop before loading into OCR engine Turn on multiple languages as needed If doing math, turn on Greek Only turn on the languages you need Edit in the OCR program Some OCR programs have font matching features Save to Word
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Captions and Such For students who want audio or who are using screen readers Separate the main body of the text and the “ancillary text” (captions, sidebars, footnotes) Create two documents 00 Chapter and 00A Chapter Allows the student to hear main text uninterrupted
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Two Doc Workflow Open PDF in OCR Program Analyze layout for entire document Save a copy On one copy…delete all ancillary text Save to Word as 00 Chapter On other copy…delete all main body text Save as 00A Chapter Keep page numbers in both documents!
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Once in Word Learn to use “show hidden” Ctrl + Shift + 8 Beware of the optional hyphen Search and replace to delete Search for ^- replace with nothing Run spell check Use styles to structure files for braille program
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Converting Files
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Mobile Readers? Check formats that device can handle Some handle PDF and DOC, some do not All readers handle TXT Also called text, ASCII Can save from Word as plain text
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Magic Conversion Tool Calibre Converts to and from many formats Fairly intuitive Free! http://calibre-ebook.com/
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Another Conversion Tool TechAdapt http://www.techadapt.com/ TechAdapt Accessible Media Center (TAMC) For converting NIMAS and DAISY DAISY to… RTF HTML
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File Transfer Can use DropBox or Box to transfer files for most readers Kindle and iPad can often use e-mail
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Resource Info Gaeir Dietrich gdietrich@htctu.net 408-996-6047 www.htctu.net Alt media listserv Manuals online
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