1. Techniques for Creating Accessible, Closed Captioned Web-Based Video California State University - Northridge 21st Annual International Technology and Persons with Disabilities Conference Los Angeles, California March 22, 2007 http://disability.law.uiowa.edu/lhpdc/publications/kleinpubs.html David Klein K. “Fritz” Thompson

2. Creating Accessible Video  Basic usability  Start with video / audio of highest possible quality  Acquire secondary audio source and/or CART (real- time caption) file if possible  Capture, edit and compress video  3 output formats:.mov,.wmv, and.flv  Attention to first frame  Black  Titling

3. Video Compression Examples  See “Compare compression methods” link on CD index.html file.  Copy CD to desktop (hold down Option key and drag CD icon to a space on the desktop)  Open the new folder  Double click index.html

4. Tips  High quality audio makes better movies and better transcripts  Turn off smart quotes, other autocorrect options (Word)  Smart quotes “ ”, ‘ ’  Curly apostrophes ‘  Em dash —

5. Future  Podcasts – See iTunes  Our Flash video player development  Customized controls (larger, more accessible)  More configuration options in external XML file  Customized formatting within captions  Speech recognition  Real-time voice recognition  Automatic time codes (real-time)  Searchable / Linkable video  Use of semantic markup (XHTML) for transcript files that can be used to produce caption files automatically

6. DFXP  Distribution Format Exchange Profile of the timed- text authoring format (TT AF)  Non-proprietary format from the W3C  Can be used as a direct distribution/authoring format for captions, subtitles or other instances of timed text  Can also be used as a transformation-target format (e.g., converting from proprietary formats such as SAMI, QTtext, RealText)  CC for Flash and ccPlayer recognize a subset of DFXP  Currently a candidate recommendation from the W3C

7. Contact  Law, Health Policy & Disability Center  http://disability.law.uiowa.edu/ http://disability.law.uiowa.edu/  LHPDC Bulletin Board  http://disability2.law.uiowa.edu/bbs http://disability2.law.uiowa.edu/bbs David Klein 280-1 Boyd Law Bldg. College of Law University of Iowa Iowa City, IA 52242 319-335-6748 david-klein@uiowa.edu K. “Fritz” Thompson 280-1 Boyd Law Bldg. College of Law University of Iowa Iowa City, IA 52242 319-335-6748 kenneth-d-thompson@uiowa.edu