Accessibility is a general term used to describe the degree to which a product (e.g., device, service, environment) is accessible by as many people as possible, and the ventures to produce accessible products and services. Accessibility is often used to focus on people with disabilities and their right of access to entities, often through use of assistive technology.
SVG (Scalable Vector Graphics) es un lenguaje de etiquetado que nos permite la descripción con XML de gráficos vectoriales en dos dimensiones. En este artículo se resume brevemente como los gráficos SVG pueden ser más accesibles siguiendo las directrices del W3C.
The case study reported here formed part of a linear series of studies undertaken as doctoral research at the Institute of Educational Technology of the Open University between 1994 and 1999. It explored ways in which computer-mediated conferencing (one type of computer-mediated communication [CMC]), could address barriers to study encountered by undergraduate distance learners with long-term health problems, identified by a large scale postal survey of volunteers. These problem areas include: difficulty with handwriting, academic and social isolation and fatigue, together with a need for better interactive communication with support agencies. The approach taken was designed to maximise student autonomy in relation to their studies. Thirteen participants were provided with access to the services of an on-line educational counsellor, both by e-mail and in a confidential peer group conference in the environment of a 'Virtual Campus'. The findings suggest that informal contact with the counsellor in the group environment helped to build rapport and develop confidence for these students to approach her by e-mail when more private advice or help was needed.
The idea that environments can support human function is not new to designers. But, the perception that design can enable one’s abilities and participation in society is something relatively new from a consumer perspective.
This white paper is intended to show how the console Application Programming Interfaces (APIs) can be used to programmatically access information about the console and applications running under the console in Windows XP.
Web developers can create Web sites that are possible for people with disabilities to access, but only with great difficulty. The technical standards are important, but they may be insufficient on their own. Developers need to learn when and how to go beyond the technical standards when necessary.
This paper discusses the effects of America’s aging work force on business growth and productivity and illustrates how accessible technology can equip employers and mature workers to face the challenges posed by this demographic trend.
The American Foundation for the Blind (AFB) stands squarely in favor of reasonable and prudent technologies to assist in ensuring that copyright holders are fairly compensated for the sale, or other forms of digital access, of the content they publish in digital formats. However,most proposals we have seen to date purporting to establish technologies to prevent illegal copying or publication of copyrighted content simply do not consider, or address in any way, the fair use rights of persons who are blind and visually impaired. We would regard it a serious breach of faith with disabled persons to establish new technologies and copyright provisions which, once again, regard our needs as peripheral and expendable. To this end we offer the following positions on this issue of fundamental importance to this community.
Unfortunately, there is no magic wand which can fix an inaccessible website - prevention is often better than cure. The most effective way to create a usable website, is to make it accessible from the outset to avoid time consuming, costly alterations in the future.
The 'line-at-a-time' approach of screen-reader software complicates navigation on text lines that contain multiple hyperlinks (such as navigation bars). Thus, in an ideal world, accommodating visually impaired readers would move an author to place each link on its own separate line. But individual lines for each link can make for long scrolling pages, which, in turn, compromises navigation speed for sighted readers.
How do you keep usability, accessibility, and user experience requirements on track while developing standards? It is part of the very nature of standards to focus on details--and in the process, to sometimes lose sight of the real goals. This is especially true when a standards-making process goes on for a long time, a situation is highly political, or most people are focused on technology issues.
For years, the only way to format HTML in a visually appealing way was to use tables, even though tables were originally created to display tabular data. As the Web evolved and became more sophisticated, designers wanted to do more than just display text, they wanted to emulate printed documents. They wanted to make an artistic statement. There's nothing wrong with that. In fact, tables can be used for layout without ruining the accessibility of a Web site. Yes, it's ok to use tables for layout. Still, you can take your Web design to a higher level by eliminating tables entirely. The way to do this is through CSS (Cascading Style Sheets).
This article demonstrates how to code accessible data tables in (X)HTML, enabling visually impaired users who employ assistive technologies to interpret the table data. Two views of a tabular data table are presented and discussed.
Macromedia Flash is a vector-based, interactive animation creation program designed to enable the addition of dynamic characters, scenes, interfaces and motion graphics animations to Web sites. Macromedia Flash materials are created using the Flash authoring program, the most recent version of which is Flash MX.
When we talk about the accessibility of forms, we are usually referring about their accessibility to screen readers and the visually impaired. People with other types of disabilities generally are less affected by 'faulty' forms that are missing some of the HTML accessibility features.
A frameset is a Web page which defines a collection of at least two other separate Web pages, which are combined in the same visual space. Visual users usually experience framesets as a cohesive entity. They can scan the contents of multiple pages all at once. Those using screen readers cannot quickly scan the contents of multiple pages. All of the content is experienced in a linear fashion, one frame at a time. Frames are not inaccessible to modern screen readers, but they can be disorienting.
Some people think that graphics are bad for accessibility. The truth is that graphics can be of great benefit to the accessibility of a Web page by providing illustrations, icons, animations, or other visual cues that aid comprehension for sighted individuals. Too often we forget that when we design for people with disabilities, we are not designing only for the blind. We must consider disabilities of all types. Graphics can be especially useful to individuals with certain reading disabilities, learning disabilities, attention deficit disorders, or cognitive disabilities.
This Fast Track tutorial demonstrates and employs web standards and accessibility methods for tabular data table creation. It is presented free of charge to the community as a help authoring, technical writing and web design guide.