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A Character Based Communication System as a Universal Design, Especially for the Visually and the Hearing Impaired Hiroki Minagawa, Makoto Kobayashi Tomoyuki.

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Presentation on theme: "A Character Based Communication System as a Universal Design, Especially for the Visually and the Hearing Impaired Hiroki Minagawa, Makoto Kobayashi Tomoyuki."— Presentation transcript:

1 A Character Based Communication System as a Universal Design, Especially for the Visually and the Hearing Impaired Hiroki Minagawa, Makoto Kobayashi Tomoyuki Nishioka, Shigeki Miyoshi Tsukuba College of Technology Japan

2 19 July 2000ICCHP 2000 - Hiroki Minagawa2 Purpose Equivalent communication environment for any persons Equivalent communication environment for any persons especially for the visually and the hearing impaired especially for the visually and the hearing impaired

3 19 July 2000ICCHP 2000 - Hiroki Minagawa3 Approach Analysis of human communication on computer network Analysis of human communication on computer network Information flow Information flow Human interaction Human interaction SIRCC (Speaking IRC Client) SIRCC (Speaking IRC Client)  Makoto Kobayashi

4 19 July 2000ICCHP 2000 - Hiroki Minagawa4 Communication Experiment Aim Aim Analysis of network communication Method Method Chat Chat Division for visually impaired Division for visually impaired Division for hearing impaired Division for hearing impaired

5 19 July 2000ICCHP 2000 - Hiroki Minagawa5 Subjects and Client Software

6 19 July 2000ICCHP 2000 - Hiroki Minagawa6 Results 1: Accessibility Three hearing impaired subjects: Three hearing impaired subjects: Accessible via any visual interface Accessible via any visual interface A totally blind subject: A totally blind subject: Accessible by means of hearing synthetic voice and typing keyboard Accessible by means of hearing synthetic voice and typing keyboard A weak-sighted subject: A weak-sighted subject: Accessible by means of adjusting the color of characters, the contrast and the size, and hearing synthetic voice Accessible by means of adjusting the color of characters, the contrast and the size, and hearing synthetic voice

7 19 July 2000ICCHP 2000 - Hiroki Minagawa7 Results 2: Errors Human errors Human errors Key typing error Key typing error System operation error System operation error System errors System errors Character coding error Character coding error IME ( Input Method Editor ) IME ( Input Method Editor ) Voice synthesizing error Voice synthesizing error Screen reader Screen reader

8 19 July 2000ICCHP 2000 - Hiroki Minagawa8 Results 3: Time lag Three hearing impaired subjects: Three hearing impaired subjects: Short Short No division among three hearing impaired subjects No division among three hearing impaired subjects Two visually impaired subjects: Two visually impaired subjects: Long (because of system operation) Long (because of system operation) Some division between visually impaired and hearing impaired subjects Some division between visually impaired and hearing impaired subjects

9 19 July 2000ICCHP 2000 - Hiroki Minagawa9 Result 4: System collision Collision of voice synthesizer control Collision of voice synthesizer control Voice feedback for system operation of blind user Voice feedback for system operation of blind user Voice of other users’ message Voice of other users’ message

10 19 July 2000ICCHP 2000 - Hiroki Minagawa10 Consideration Data flow model of human communication on computer network Data flow model of human communication on computer network

11 19 July 2000ICCHP 2000 - Hiroki Minagawa11 Case 1 Windows user - Windows user Windows user hands eye Windows user eye hands

12 19 July 2000ICCHP 2000 - Hiroki Minagawa12 Windows user hands eye Windows user eye hands Windows PC Case 1 Windows user - Windows user put

13 19 July 2000ICCHP 2000 - Hiroki Minagawa13 Case 1 Windows user - Windows user Windows user hands eye Windows user eye hands Windows PC Windows PC sendreceive

14 19 July 2000ICCHP 2000 - Hiroki Minagawa14 Case 1 Windows user - Windows user Windows user hands eye Windows user eye hands Windows PC Windows PC get

15 19 July 2000ICCHP 2000 - Hiroki Minagawa15 Case 1 Windows user - Windows user put Windows user hands eye Windows user eye hands Windows PC Windows PC put

16 19 July 2000ICCHP 2000 - Hiroki Minagawa16 Windows user hands eye Windows user eye hands Windows PC Windows PC Case 1 Windows user - Windows user sendreceive

17 19 July 2000ICCHP 2000 - Hiroki Minagawa17 Case 1 Windows user - Windows user get Windows user hands eye Windows user eye hands Windows PC Windows PC

18 19 July 2000ICCHP 2000 - Hiroki Minagawa18 Case 1 Windows user - Windows user Windows user hands eye Windows user eye hands Windows PC Windows PC

19 19 July 2000ICCHP 2000 - Hiroki Minagawa19 Case 2 Screen reader user - Windows user screen reader user hands ear Windows user eye hands

20 19 July 2000ICCHP 2000 - Hiroki Minagawa20 put screen reader user hands ear Windows user eye hands Windows PC Case 2 Screen reader user - Windows user put screen reader

21 19 July 2000ICCHP 2000 - Hiroki Minagawa21 screen reader user hands ear Windows user eye hands Windows PC Windows PC screen reader Case 2 Screen reader user - Windows user sendreceive

22 19 July 2000ICCHP 2000 - Hiroki Minagawa22 Case 2 Screen reader user - Windows user get screen reader user hands ear Windows user eye hands Windows PC Windows PC screen reader

23 19 July 2000ICCHP 2000 - Hiroki Minagawa23 screen reader user hands ear Windows user eye hands Windows PC Windows PC screen reader Case 2 Screen reader user - Windows user put

24 19 July 2000ICCHP 2000 - Hiroki Minagawa24 screen reader user hands ear Windows user eye hands Windows PC Windows PC screen reader Case 2 Screen reader user - Windows user sendreceive

25 19 July 2000ICCHP 2000 - Hiroki Minagawa25 Case 2 Screen reader user - Windows user get screen reader user hands ear Windows user eye hands Windows PC Windows PC screen reader get

26 19 July 2000ICCHP 2000 - Hiroki Minagawa26 Case 2 Screen reader user - Windows user screen reader user hands ear Windows user eye hands Windows PC Windows PC screen reader system error (IME) human error (operation) system error (screen reader) human error (hearing) human error (operation) human error (reading) time lag (long)time lag (short)

27 19 July 2000ICCHP 2000 - Hiroki Minagawa27 Case 2 Screen reader user - Windows user screen reader user hands ear Windows user eye hands Windows PC Windows PC screen reader collision of system resource collision of human hearing resource

28 19 July 2000ICCHP 2000 - Hiroki Minagawa28 Conclusion Communication experiment among the visually and the hearing impaired on computer network Communication experiment among the visually and the hearing impaired on computer network Data flow model of human communication on computer network Data flow model of human communication on computer network

29 19 July 2000ICCHP 2000 - Hiroki Minagawa29 Future research subjects Computational models of network communication Computational models of network communication Specifying the parameters Specifying the parameters Error rates at each step Error rates at each step Time lag at each operation Time lag at each operation Influence of such parameters on human behavior Influence of such parameters on human behavior Computational models of other communication (e.g. sign language) Computational models of other communication (e.g. sign language)

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