Details in: http://m-accessibility.blogspot.com Braille Tap is a text-entry method that uses blind users braille knowledge to provide texting abilities. However, in spite of demanding extra hardware, this new interface asks the user to "draw" the desired braille character. This presentation was performed at DSAI 2007, in Vila Real.

1. Braille Matrix A new text-entry method for the blind Tiago Guerreiro [email_address]

2. ‘‘ ’’ Never doubt that a small group of committed people can change the world. Indeed it is the only thing that ever has . — Margaret Mead

3. We have the whole world in our hands.

4. SMS have had an enormous growth in the last few years.

5. Mobile devices can do anything.

6. A common image for me.

7. What about the Others ?

8. Some can only see this.

10. They are too heavy .

11. They are too big .

12. They are too expensive ...

13. And definitely not mobile .

15. Can speech synthesis replace visual feedback ?

19. Despair and drop out.

21. User Observation

22. Survey users’ habits and capacities User characterization Mobile Device usage User Observation 12 Questionnaires

23. All dial numbers All have a cell phone 2 users stated difficulties with keypad Not a priority

24. 60% of the users can send messages … but 80% have a Screen Reader Difficulties with menu navigation and.. ...voice feedback

25. Half the users use the contact list Memorize the contact position

26. T h e Goal Mobile Device Control for Blind Individuals

27. Design Guidelines

28. G1 communicate through available channels

29. G2 low cognitive load

30. G3 focus on acquired capabilities

31. G4 minimize stress scenarios

32. G5 adapt the interaction processes to the user

33. G6 allow and stimulate performance improvement

34. G7 available, adaptable and affordable

35. Calls Info Dial Accept Reject

36. SMS Write Read Send Receive

37. Contacts Calendar Notebook

38. Keep it Simple.

39. Braille Matrix Vowel Navigation

40. ABCDEFGHIJLMNOPQRSTUVXZ

41. A B C D E F G H I J L M N O P Q R S T U V X Z

42. A B C D E F G H I J L M N O P Q R S T U V X Z

43. A B C D E F G H I J L M N O P Q R S T U V X Z

44. A B C D E F G H I J L M N O P Q R S T U V X Z A BCD E FGH I JLMN O PQRST U VXZ

45. We can navigate in any direction.

46. A BCDEFGHIJLMNOPQRSTUVX Z

47. A B C D E F G H I J L M N O P Q R S T U V X Z

49. A B C D E F G H I J L M N O P Q R S T U V X Z

51. A B C D E F G H I J L M N O P Q R S T U V X Z

52. No wrong choices. Just shorter paths.

53. No memorization required.

55. (Almost) all mobile devices.

56. Braille Matrix A Q B R

59. Invert Space Delete Back Menu Go

60. Al a g e h i Automatic Word Finishing Letter Prediction System Context Dictionaires

61. NavTap DEMO VÍDEO http://www.youtube.com/watch?v=xbJ_qlFK5YQ

62. BrailleTap DEMO VÍDEO http://www.youtube.com/watch?v=-WME-zpZ5yc

63. Event Reception Message Translation Navigation Interaction Warnings How r u ? I m dat great. Wat do u want? C u l8 r

64. User Evaluation Vowel Navigation Method Raquel and Martin Sain Foundation Excellent learning curve compared with MultiTap Easy to learn

65. User Evaluation Braille Matrix Method Raquel and Martin Sain Foundation Better than Vowel Navigation for braille experts Requires Braille knowledge

66. Remarks All the users were satisfied Improved performance All succeeded Before BloNo: 40% weren’t able to write text Wrote text Managed Contacts Navigated menus

67. The Future Gestural Shortcuts Usability Issues Follow-up studies

69. Kevin Clarkson Martin Rotovnik

70. Braille Matrix A new text-entry method for the blind Tiago Guerreiro [email_address] t

73. Electromyographic Texting Mobile Device Control for Tetraplegics

74. Blobby Indoor Location and Orientation for the Blind

75. Mnemonical Body Shortcuts Body Space Gesture Recognition

76. EZ Control Environmental control for the disabled

77. CameraPhone Camera based interaction for the disabled

78. Braille Matrix A new text-entry method for the blind Tiago Guerreiro [email_address] t