How To Add Alt Text In Powerpoint

What is an alt-text?

Alternative text descriptions or alt text are text equivalents for non-text elements in a document. The key principle is that computers and screen readers cannot analyze an image and decide what the image presents. For users who rely on screen readers to empathize documents, alt texts ensure that they receive the same relevant information that a sighted person receives.  This ensures their overall online experience is just as informative and relevant.

Alt texts are applied to not-text elements such as:

• Images / Photos
• Charts
• Diagrams
• Icons
• Infographics
• Graphic Advertisements
• Tables (especially holding critical data)
• Lengthy URLs (that are too long or complicated to be read out character past character)
• Forms
• And more.

Unfortunately, at that place remains a large majority of images available out there that take missing, incorrect, or poor alternative text.

How to write an alt-text

Alternative text can exist presented in two means:

• Within the alt-text aspect of the not-text element (defined either in the authoring tool, or the resulting accessible tagged PDF)
• Within the content surrounding the image, such as a caption or actual text. The caption or surrounding content should provide a suitable description of the non-text chemical element.

An alt-text should typically:

• Accurately present an equivalent  clarification of the content and function of the prototype.
• Exist concise. Don't be overly wordy. A short sentence should usually suffice.
• Don't echo the same data as text within the context of the image.
• Exercise Non use the phrases "prototype of …" or "graphic of …" to describe the epitome. It usually credible to the user that it is an image. If the paradigm is conveying content, information technology is typically not necessary that the user know that information technology is an prototype that is conveying the content, equally opposed to text. If the fact that an image is a photograph or illustration, etc. is important content, it may be useful to include this in alt-text description.

Adding alt-text for tables, charts & graphs

The Web Content Accessibility Guidelines recommends that data tables include a summary of the information presented. The purpose is to give a brief orientation to the structure and purpose of the tabular array. This orientation data provides valuable context for the user who is most to be presented with an array of data. Screen readers conform this by announcing the text of that summary attribute as the user enters a tabular array.

Graphs and charts are like to images in the sense that the the data they present can non be read the aforementioned mode was it can with a tabular array. A summary should even so be provided and so that the data conveyed by them is available to the user. A summary of a graph or chart might include things similar a data trend or an average value etc.

When practice y'all need add alt-text?

Oftentimes many non-text elements within a document that are just used for layout, visual ornamentation or do not provide the certificate user with any useful information or context. Stock photography and clipart images normally fall into this category. Providing descriptions such as "a  blue swoosh logo" or "Woman working on a computer" is useless. These elements do not require alt-texts and can be marked as decorative then they are ignored by screen readers.

How to add alt-text in Word

1. Open the word document and correct click on the image and select Format Motion picture.
2. If it is not already selected, choose the 'Layout and Properties' icon and click on alt-text.
3. Provide a championship (optional) and a succinct alt-text description.
4. To add a caption, select the desired image or graphic, right-click and then go to "Insert Caption…"

How to add alt-text in Powerpoint

1. Correct click on the image and select Format type.
2. Select Size and Properties.
3. Click on Alt Text.
4. Provide a title (optional) and a succinct alt-text description

Include captions and/or summaries for tables, charts, figures, diagrams or graphs where required.

Demand help calculation alt-text?

If your documents contain any non-text elements, you can bank check with your publishing software manuals for instructions on how to add alt-texts. Alternatively, y'all can contact us for management. If you would similar u.s.a. to add the alt-texts into your document for you lot, delight download our alt-text template and complete the form.

You may also similar to bank check out our article on Attainable Document Design, or download our Quick reference checklist for Accessible Document Design.

Source: https://accessible-docs.com/adding-alt-text-descriptions/

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