上海时时乐开奖历史:Text to Speech

Web accessibility is essential for people with disabilities and useful for all. Learn about the impact of accessibility and the benefits for everyone in a variety of situations.

Video on Text to Speech

This video information is available as a Text Transcript with Description of Visuals below.

What is “Text to Speech”?

Many computers and mobile devices today have built in text-to-speech software. Some people with disabilities, including people who are blind, use specialized software called screen readers. Screen readers provide important functionality such as navigating through headings, speaking image alternatives, and identifying internal and external links. They can also highlight the text as it is being read aloud for people to see and hear the content at the same time. Content must be coded properly so that all of the functionality of the text-to-speech software works with the content.

Who depends on this feature?

What are the additional benefits?

What needs to happen for this to work?

Use semantic HTML markup for structures such as headings, paragraphs, lists, forms, and tables. Provide text alternatives for images, icons, and other non-text content. Ensure keyboard compatibility, and ensure that text information is understandable without the visual context.

Learn more

Text Transcript with Description of Visuals

Audio Visual
Web Accessibility Perspectives: Text to Speech Web Accessibility Perspectives:
Text to Speech
(Computer) "Some people can't see the text on this screen."
(Computer) "Fortunately, computers can convert text to speech."
A man is using a laptop with the text on the screen being highlighted as it is spoken.
It's technology that many people who are blind have been relying on for years. A service dog is next to the man. He may be blind.
But it's also important for many people with dyslexia. A woman is reading on a tablet and listen with headphones.
And very useful for people with difficulty reading text. A man removes his glasses and listens to a news article on his tablet.
As well as some people who just like to multi-task. A man listens to a magazine article as they do the washing.
But for this to work, websites and apps need to be properly coded. The website is not properly working for the woman with headphones. She is frustrated.
Which has the added benefit of helping search engines index websites' contents better.  
Web accessibility: Essential for some, useful for all. The man with the service dog is using his mobile device outside with bone conducting headphones. Different people from earlier are seen using text-to-speech.
Visit w3.org/WAI/perspectives for more information on Text to Speech Visit
w3.org/WAI/perspectives
for more information on
Text to Speech.
W3C Web Accessibility Initiative logo
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