BloNo: Mobile Notebook  for the Visually Impaired Tiago Guerreiro [email_address]
‘‘ ’’ Never doubt that a small group of committed  people can change the world.  Indeed it is the only thing that ever has...
We have the whole world in our hands.
SMS have had an enormous  growth in the last few years.
Mobile devices can do anything.
A common image for me.
What  about the  Others   ?
Some can only see this.
 
They are too  heavy .
They are too  big .
. They are too  expensive ...
And definitely  not   mobile .
 
Can  speech  synthesis replace visual   feedback ?
 
 
 
Despair and drop out.
 
User  Observation
Survey users’  habits  and  capacities     User  characterization   Mobile Device  usage  User  Observation   8  Questionn...
All  dial numbers All  have a cell phone 20%  stated difficulties with keypad Not a priority
< 50%  the users can send messages They use a  Screen Reader Difficulties with menu  navigation  and.. ... voice  feedback
Half  the users use the contact list Memorize  the contact  position
T h e Goal Mobile Device Control  for Blind Individuals
Calls Info Dial Accept Reject
SMS Write Read Send Receive
Contacts Calendar Notebook
<ul><li>? </li></ul>
Keep it Simple.
ABCDEFGHIJLMNOPQRSTUVXZ
A  B C D E  F G H I  J L M N O  P Q R S T U  V X Z
A  B C D E  F G H I  J L M N O  P Q R S T U  V X Z
A  B C D E  F G H I  J L M N O  P Q R S T U  V X Z
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
We can navigate in any direction.
A BCDEFGHIJLMNOPQRSTUVX Z
A B C D E F G H I  J L M N O P Q R S T U V X Z
 
A B C D E F G H I  J L M N O P Q R S T U V X Z
 
A B C D E F G H I  J L M N O P Q R S T U V X Z
DEMO VÍDEO http://www.youtube.com/watch?v=xbJ_qlFK5YQ
No wrong choices.   Just shorter paths.
No memorization required.
 
(Almost) all mobile devices.
Automatic Word Finishing. Optimization  mechanism On Demand Alphabetic vs Frequency Al m a oç a m ndo r o ugar
Al m a oç a m ndo r o ugar
Al m  a oç a  m ndo r o ugar
Al m  a oç a m ndo r o ugar
Al m  a oç a  m ndo r o ugar
Al m  a oç a  m ndo r o ugar
Al m  a oç  a m ndo r o ugar
Al  m   a oç a m ndo r o ugar
Task-Aware Dictionaries.
 
User Evaluation Visually Impaired Foundation Five  Totally Blind Users Braille Manual Six  Different Tasks
1 st Perdi o Autocarro e não vou chegar a horas. All users  Succeeded   2  Words per Minute 1.4  Error / User 5.4  Keystro...
2 nd Perdi o Autocarro e não vou chegar a horas. All users  Succeeded 10%  Time reduction 1  Error / User 4.7  Keystrokes ...
1 2 3 4 5 50 100 150 200 250 300 Simple AWF Number of key presses
3 rd Adding the contact Tiago Silva. All users  Succeeded   125  Seconds / User 0,25  Error / User
4 th Adding the contact Tiago Silva. All users  Succeeded   84,5  Seconds / User 0  Error / User With Automatic Word Finis...
5 th Adding the contact Tiago Silva. All users  Succeeded   75,25  Seconds / User 0  Error / User With Automatic Word Fini...
0 50 100 150 Simple AWF AWF  +  Dictionaries Optimization techniques Time Variation
6 th Write the message ‘sim’  and send it to Paulo Lagoá. All users  Succeeded   104  Seconds average Time includes  lette...
Other Remarks All the users were  satisfied Improved  performance All succeeded Before BloNo: 50% weren’t able to write te...
The Future Gestural Shortcuts Event Reception Prediction  Usability Issues
 
Kevin Clarkson  Martin Rotovnik
BloNo:  Mobile Notebook  For the Visually Impaired Paulo Lagoá  Pedro Santana Daniel Gonçalves Joaquim Jorge Tiago Guerrei...
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BloNo: Mobile Notebook for the visually impaired

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Details in:
http://m-accessibility.blogspot.com

This presentation focus on mobile accessibility for blind users. It presents a new text-entry method based on voice feedback and an alphabet navigation mechanism. It was presented at HCII 2007 in Beijing, PR China (July 2007).

The demonstration video is available in http://www.youtube.com/watch?v=xbJ_qlFK5YQ

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BloNo: Mobile Notebook for the visually impaired

  1. BloNo: Mobile Notebook for the Visually Impaired 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.
  9.  
  10. They are too heavy .
  11. They are too big .
  12. . They are too expensive ...
  13. And definitely not mobile .
  14.  
  15. Can speech synthesis replace visual feedback ?
  16.  
  17.  
  18.  
  19. Despair and drop out.
  20.  
  21. User Observation
  22. Survey users’ habits and capacities User characterization Mobile Device usage User Observation 8 Questionnaires
  23. All dial numbers All have a cell phone 20% stated difficulties with keypad Not a priority
  24. < 50% the users can send messages They use 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. Calls Info Dial Accept Reject
  28. SMS Write Read Send Receive
  29. Contacts Calendar Notebook
  30. <ul><li>? </li></ul>
  31. Keep it Simple.
  32. ABCDEFGHIJLMNOPQRSTUVXZ
  33. A B C D E F G H I J L M N O P Q R S T U V X Z
  34. A B C D E F G H I J L M N O P Q R S T U V X Z
  35. A B C D E F G H I J L M N O P Q R S T U V X Z
  36. 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
  37. We can navigate in any direction.
  38. A BCDEFGHIJLMNOPQRSTUVX Z
  39. A B C D E F G H I J L M N O P Q R S T U V X Z
  40.  
  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.  
  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. DEMO VÍDEO http://www.youtube.com/watch?v=xbJ_qlFK5YQ
  45. No wrong choices. Just shorter paths.
  46. No memorization required.
  47.  
  48. (Almost) all mobile devices.
  49. Automatic Word Finishing. Optimization mechanism On Demand Alphabetic vs Frequency Al m a oç a m ndo r o ugar
  50. Al m a oç a m ndo r o ugar
  51. Al m a oç a m ndo r o ugar
  52. Al m a oç a m ndo r o ugar
  53. Al m a oç a m ndo r o ugar
  54. Al m a oç a m ndo r o ugar
  55. Al m a oç a m ndo r o ugar
  56. Al m a oç a m ndo r o ugar
  57. Task-Aware Dictionaries.
  58.  
  59. User Evaluation Visually Impaired Foundation Five Totally Blind Users Braille Manual Six Different Tasks
  60. 1 st Perdi o Autocarro e não vou chegar a horas. All users Succeeded 2 Words per Minute 1.4 Error / User 5.4 Keystrokes per character
  61. 2 nd Perdi o Autocarro e não vou chegar a horas. All users Succeeded 10% Time reduction 1 Error / User 4.7 Keystrokes per character With Automatic Word Finishing
  62. 1 2 3 4 5 50 100 150 200 250 300 Simple AWF Number of key presses
  63. 3 rd Adding the contact Tiago Silva. All users Succeeded 125 Seconds / User 0,25 Error / User
  64. 4 th Adding the contact Tiago Silva. All users Succeeded 84,5 Seconds / User 0 Error / User With Automatic Word Finishing
  65. 5 th Adding the contact Tiago Silva. All users Succeeded 75,25 Seconds / User 0 Error / User With Automatic Word Finishing and Task-Aware Dictionary
  66. 0 50 100 150 Simple AWF AWF + Dictionaries Optimization techniques Time Variation
  67. 6 th Write the message ‘sim’ and send it to Paulo Lagoá. All users Succeeded 104 Seconds average Time includes letter acceptance and menu feedback All used AWF to select contact
  68. Other Remarks All the users were satisfied Improved performance All succeeded Before BloNo: 50% weren’t able to write text Wrote text Managed Contacts Navigated menus
  69. The Future Gestural Shortcuts Event Reception Prediction Usability Issues
  70.  
  71. Kevin Clarkson Martin Rotovnik
  72. BloNo: Mobile Notebook For the Visually Impaired Paulo Lagoá Pedro Santana Daniel Gonçalves Joaquim Jorge Tiago Guerreiro [email_address]

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