1. International Telecommunication Union Geneva, 2 November 2009 Ergonomics-oriented design using ISO/IEC Guide 71 and ISO/TR 22411 Ken Sagawa, Prime Senior Researcher, National Institute of Advanced Industrial Science and Technology (AIST), Japan ITU-T Workshop "The impact of the United Nations Convention on the Rights of Persons with Disabilities on the work of the ITU-T" Geneva, 2 November 2009

2. International Telecommunication Union ITU-T Workshop on Accessibility Geneva, 2 November 2009 2 Accessible Design Instruc times/day Extending standard design to people with special requirements (older persons and persons with disabilities) to maximize the number of potential users (from ISO/IEC Guide 71) Map & Plan Article 9 - Accessibility in UN Convention on the Rights of Persons with Disabilities

3. International Telecommunication Union ITU-T Workshop on Accessibility Geneva, 2 November 2009 3 Guidelines for standard developers to address the needs of older persons and persons with disabilities ISO/IEC Guide 71: 2001 Alternative format Location/Layout Lighting/glare Colour/contrast Size/style of font Clear language Symbols/drawings Volume/frequency Slow pace Distinctive form Ease of handling Expiration date making How to design How to consider Contents labeling Surface temperature Accessible routes Logical process Surface finish Non-allergenic/toxic Acoustics Fail-safe Ventilation Fire-resistance Factors to consider (Ergonomic issues)

4. International Telecommunication Union An example of Factors to consider (1) ITU-T Workshop on Accessibility Geneva, 2 November 2009 4 Alternative format (Vision Tactile) Prepaid cards Containers (milk container)

5. International Telecommunication Union 5 An example of Factors to consider (2) Sound pressure/frequency (of auditory signals ) Hearing sensitivity and auditory signals ( From Kurakata et al) ITU-T Workshop on Accessibility Geneva, 2 November 2009 Warning Termination Feedback

6. International Telecommunication Union ISO/TR22411 (2008) ITU-T Workshop on Accessibility Geneva, 2 November 2009 6 ISO/TR 22411: 2008 Ergonomic data and guidelines for the application of ISO/IEC Guide 71 to products and services to address the needs of older persons and persons with disabilities. A collection of ergonomic data and design considerations relevant for accessible design to implement ISO/IEC Guide 71 (Developed by TC159/WG2)

7. International Telecommunication Union Contents of TR22411 (examples) ITU-T Workshop on Accessibility Geneva, 2 November 2009 7 Instructi 3 times/day …………….. MAP MEMO & Sound pressure and frequency (hearing) Working memory and attention (cognitive) Tactile discrimination Reach range (physical) Step height (physical strength) legible font size (vision) Colour combination (vision) Useful visual field (vision)

8. International Telecommunication Union ITU-T Workshop on Accessibility Geneva, 2 November 2009 8 Wavelength (nm Luminous efficiency (in log unit) -3.5 -3.0 -2.5 -2.0 -1.5 -1.0 -0.5 0.0 0.5 350400450500550600650700750 a total of 91 subjects Average of people in their 20s Average of people in their 70s Contrast seen by an observer in their 20s a sign example sign Background Wavelength (nm) L e, (sign).0000.0005.0010.0015.0020 400 450500 550600 650700 Spectral radiance (Wm -2 sr -1 ) L e, (back.) spectral radiance data Contrast seen by an observer in their 70s Contrast = = 34 % L e, (sign) V (20) () L e, (back) V (20) () L e, (sign) V (20) ()+ L e, (back) V (20) () 0.0155 – 0.076 0.0155 + 0.076 = Spectral sensitivity of the eye as a function of age (b) Visual contrast estimation Age-related relative luminance contrast Contrast = = 6 % L e, (sign) V (70) () L e, (back) V (70) () L e, (sign) V (70) ()+ L e, (back) V (70) () 0.0092 – 0.082 0.0092 + 0.082 =

9. International Telecommunication Union ITU-T Workshop on Accessibility Geneva, 2 November 2009 9 TC159 structure for Accessible Design Software accessibility Tactile markings, etc Anthropometry and Biomechanics Ergonomics of Human-System Interaction Step height Reach range Auditory signals Visual contrast Color combination Speech announce guide Visual signs for low vision, etc TC159 SC5 SC4 SC3 SC1 WG2 Ergonomics of Physical Environment Liaison Officer Advisory Group Liaison Officer Advisory Group Ergonomic guiding principles Principles and terminology Ergonomics for people with special requirements Ergonomic data and technical guide ISO TCs and International Disability Parties ISO TCs and International Disability Parties

10. International Telecommunication Union ITU-T Workshop on Accessibility Geneva, 2 November 2009 10 Network of Disability Organizations for Accessible Design WORLD FEDERATION OF THE DEAF WORLD BLIND UNION Intl FEDERATION OF HARD OF HEARING PEOPLE World Network of USERS AND SURVIVORS OF PSYCHIATRY REHABILITATION INTERNATIONAL ORGANIZATION THE WORLD FEDERATION OF THE DEAFBLIND INCLUSION INTERNATIONAL DISABLED PEOPLES INTERNATIONAL Europe Disable Forum (EDF) Arab Disable Forum (AODP) Asia Disable Forum (APDF) TC159/AGAD IDA