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, David Klein K. “Fritz” Thompson

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

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

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

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

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

Contact  Law, Health Policy & Disability Center   LHPDC Bulletin Board  David Klein Boyd Law Bldg. College of Law University of Iowa Iowa City, IA K. “Fritz” Thompson Boyd Law Bldg. College of Law University of Iowa Iowa City, IA