Integration of accessibility requirements in the design of multimedia user agents interfaces

• Autores: María González García
• Directores de la Tesis: Lourdes Moreno (dir. tes.)
• Lectura: En la Universidad Carlos III de Madrid ( España ) en 2015
• Idioma: inglés
• Tribunal Calificador de la Tesis: José Antonio Macías Iglesias (presid.), Belén Ruiz Mezcua (secret.), Hugo Paredes (voc.)
• Programa de doctorado: Programa Oficial de Doctorado en Ciencia y Tecnología Informática
• Materias:
  • Matemáticas
    • Ciencia de los ordenadores
      • Informática
• Enlaces
  • Tesis en acceso abierto en: e-Archivo
• Resumen

  • The continuous increase of multimedia content in the Web, especially video content, is not accompanied by a similar increase of accessibility; there is a lack of synchronized alternatives for the content such as captions, audio description, etc. that allow anyone with or without disability to access such content. This lack of accessibility in video content access is not only due to the lack of alternatives, but also because of the fact that user agents which deliver this content do not provide the necessary means to present them. This fact leads to the noncompliance of the current regulations and legislation in terms of accessibility. This noncompliance could be due to the lack of knowledge, or because of the fact that applying these regulations from an engineering point of view is not trivial. There is a lack of authoring tools and methodological approaches which assist in the development of an accessible product in the Engineering scope as it is the case of the development of a quality user agent which includes accessibility requirements. All these facts, multimedia content’s progressive increase on the Web, accessibility barriers both in the content and in the user agent together with current regulations and legislation regarding accessibility is what has motivated the accomplishment of this Doctoral Thesis. With this Doctoral Thesis, a set of accessibility requirements that a user agent which delivers multimedia content must fulfil is provided. Besides, a workspace is provided following a methodological approach which assists in the design and development of the interface of an accessible user agent which delivers accessible multimedia content. This workspace is composed of an architecture and models following a Model-Based User Interface Development (MBUID) approach and is oriented to be used by designers with knowledge in modeling. Finally, as a support to any professional regardless of their knowledge in modeling and in accessibility, an authoring tool based on models is offered in order to create user agents with accessibility requirements.