screen-readers

What is the difference between these three for screen reader users? refer: http://css-discuss.incutio.com/?page=ScreenreaderVisibility display:none: will not be seen nor heard. * visibility: hidden: will not be seen nor heard. * text-indent: 9999: will not be seen but it will be heard. Most of the screen reader will not 'speak' display:none and visibility: hidden , but there are few screen readers like pwWebSpeak and HtReader which will read even these too. Sanghyun Lee There's good explanation about this in A List Apart. http://www.alistapart.com/articles/fir/ It depends on product. PRODUCT

Is there a standard way to make screen readers spell out numbers? I am currently using NVDA and Firefox and have the following telephone number <p>01234 567890</p> This is read as Zero one two three four five hundred and sixty seven thousand eight hundred and ninety This is quite confusing to the listener. I would like some way of specifying that the screen reader should spell out the number like Zero one two three four five six seven eight nine zero I don’t know if (or which) screen readers support these, but (in an ideal world) they should . CSS: Aural CSS 2.1: speak-numeral: digits; Speak

When a web page is loaded, screen readers (like the one that comes with OS X, or JAWS on Windows) will read the content of the whole page. But say your page is dynamic, and as users performing an action, new content gets added to the page. For the sake of simplicity, say you display a message somewhere in a <span> . How can you get the screen reader to read that new message? Courtney Christensen The WAI-ARIA specification defines several ways by which screen readers can "watch" a DOM element. The best supported method is the aria-live attribute. It has modes off , polite , assertive and rude .