Human Computer Interface Design for the Blind

1

• Human Computer Interface Design for the Blind
• David Kabala

2
Produts

• Braille Displays
• Braille Keyboards
• Custom Built Computers
• Screen Readers some portable
• Speech Recognition
• Screen Magnifiers
• Braille Translators
• Monitoring Systems - alarms

3
Products Cont.

• Portable Palmtops
• Aria
• Pac Mate
• QWERTY or brialle keyboard
• Braille display
• Screen Reader
• Windows mobile technology
• Alvo
• Braille Display
• Braille Keyboard
• Personal information management
• Wireless phone

4
Papers

• Non-Visual Interface Software level
• Navigate Web
• Keyboard, joystick, or touchtablet
• Tactile Interaction
• Touchtablet withtactile grid
• Verbal descriptionand direction taking

5
Papers Cont

• Computer Graphics with haptic device
• Access 3D content with dual finger force feedback
  haptic device
• Web Accessability KAI
• Blind Markup Language BML
• Classifies components of the webpage and then
  presents them according to user preferences
• Web brouser driving haptic device

6
Papers Cont.

• Generic Blind User Interface Model
• Mapping of 2D Display interface to 1D output
• Blind users get a linked-list of information
• BLIMD Model tries to seperate the 2D interface
  from its behavior
• Main interface structure is Navigation Graph
• Visual display layout and non-visual layout can
  then be constructed ontop of the graph

7
Next

• Creating a 3D model of a portable device
• Similar to Alvo and Pac Mate
• Have wireless capabilities
• Another tactile display not braille
• Screen reader embedded in system