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.

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Presentation transcript:

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

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

Requesting through ATN Access Text Network – Now free for requesting files from ATN- member publishers – Paid membership to exchange files – Not all publishers – But ATN does have the largest ones

Other Resources at ATN Accessible Textbook Finder – Link to Publisher Lookup – – Will have to contact non-ATN member publishers directly

Using Publisher PDFs Sometimes students can use files directly Most often files will need further processing for student use At the very least, large files need to be broken into chapters

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 Easy for most publishers to create

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

As an Aside… When faculty create PDFs… – The PDF always started as something else…usually a Word file – Try to get the starting document – Security concerns? Word files can be password protected Button > Prepare > Encrypt

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”

Processing PDFs Adobe Acrobat Professional Good OCR program – Abbyy FineReader – Nuance OmniPage IF you are a Kurzweil campus, you will also need Kurzweil

Adobe Tools Adobe Reader – Free – Useful for students who need minimal accessibility features – Adobe Acrobat Professional – Essential for alt media specialists – Extract text, create accessible PDFs, enabled Adobe Reader features – Discounted Price

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 text-based PDFs

Process with Acrobat Pro Cropping Enlargement for printing Tiling Combining Some text extraction Works with text-based PDF

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!

Various Options 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

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

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.

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

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

PDF Bottom Line Source files vs. end-user files – Source files = for you to create alt media from – End-user files = alt media formats PDF – Consider PDFs as source files (files to process) that sometimes double as end- user files (for certain students with limited access issues)

Resource Info Gaeir Dietrich Alt media listserv Manuals online