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2. Aims and objectives: scope of work And in relation to the DAB equipment supply chain: 4. To what extent and how are accessibility considerations built into the product design and development processes by manufacturers of consumer digital radio equipment? 5. In this industry context, how feasible is it for manufacturers to develop consumer digital radio equipment that is accessible to blind and partially sighted people, and what constraints, if any, are cited that limit feasibility? The scope of the first research question about the core functional requirements for blind and partially sighted people included: the range of current usage scenarios with digital radio (ie what people generally want to do with digital radio; techniques used to operate consumer digital radio equipment; and how easy to use and accessible these functions are with current equipment). Blind, partially sighted and sighted participants’ experiences are compared to understand the extent to which there is any evidence that shows that poor usability of DAB radios can be a barrier. Areas considered in the scope of research questions 2 and 3 , included: ease of tuning, legibility of any screen menus and information, dependence on screen usage, physical manipulation of controls, visibility of labelling, ease of understanding the logic of controls and settings, and any other areas identified in the primary research conducted with DAB users. Particular design features relevant to tasks that are considered to be core or frequently used ‘basic functions’, informed a list of prioritised design features. The scope of research questions 4 and 5 about the industry includes current practices in product development. This includes industry standards for product design, and the extent to which any user testing for accessible or usable design is conducted. Research considerations included the following: technical feasibility; investment costs required (research and development, marketing); potential return on investment including the extent to which solutions could be applied beyond the UK market. The extent to which good practice in relation to design for accessibility conducted in other industries such as digital TV, fixed and mobile telephony is transferable to the research and development and product development activities of DAB manufacturers was also considered. In the next chapter, the methods used to address these research questions are described. 20
3. Methodology 3. Methodology To understand the experiences of, and requirements from DAB radio equipment for blind and partially sighted users’, a multi-method, multi-perspective approach was adopted, using both qualitative and quantitative approaches. Industry interviews were conducted to understand perceived incentives, hurdles and barriers to industry addressing these consumer needs. There were two target samples for the research: DAB consumers and industry. The methods used for these groups were as follows: For the consumer research: In-depth interviews Structured Short Preference (telephone) Survey. For the industry research: Semi-structured interviews. 3.1. Consumer research: in-depth interviews 3.1.1. Rationale Thirty-eight in home, in depth interviews were conducted with DAB radio users to identify any difficulties blind, partially sighted and sighted people experience in operating DAB radio. This method was selected to inform research questions 1-3 (see Section 2.1). In home, indepth interviews were selected to support the collection of rich data. The rationales for selecting this method were that: (a) Participants are interviewed in familiar and comfortable contexts, less daunting than more formal contexts, which should put participants at ease with discussing the research topics. (b) The researcher can easily compare (through careful observation) what participants say they do with their radio with how they demonstrate they use it (catering for any bias in self reporting). (c) The semi-structured questioning approach allows considerable flexibility in the discussion allowing the researcher to probe further when required and identify areas that may have been overlooked in the discussion guide. 21
Page 1 and 2: Research report: Are you really lis
Page 3 and 4: Foreword Foreword Access to radio i
Page 5 and 6: Executive summary 2. A telephone-ba
Page 7 and 8: Executive summary Comparison of sur
Page 9 and 10: Contents 1. Radio and blind and par
Page 11 and 12: Contents 6.5.2. Confidence with tec
Page 13 and 14: Contents 9. Priorities for accessib
Page 15 and 16: 1. Radio and blind and partially si
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Page 19: 2. Aims and objectives: scope of wo
Page 23 and 24: 3. Methodology Table 3.1 DAB radio
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Page 39 and 40: 5. Setting the scene Persona 2: Mar
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6. Core functional requirements 6.7
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7. Advanced functions cases, partic
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7. Advanced functions 7.3. Sighted
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7. Advanced functions button presse
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7. Advanced functions 7.5. Equipmen
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9. Priorities for accessible and us
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10. Insights from DAB industry inte
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11. Conclusions 11.1. Blind and par
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11. Conclusions 11.8. Industry cite
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12. Acknowledgements The authors wo
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14. Glossary of terms Audio Descrip
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Appendix A - Short Preference Surve
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Appendix B - Data tables Table AB5.
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