Category: dai11y

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Sound thinking: BBC helps audience to hear the details

• Article about how the BBC used ‘object-based media’ when recording Casualty (Series 34, Episode 36), which features a character with a hearing impairment. Object-based media samples sounds from different parts of the scene – the main dialogue, a heart rate monitor, background noise – and allows the viewer to adjust the levels (or stick to the default ‘broadcast mix’) so that they can hear the most important things clearly.
• The article claims viewers watching on “an internet-connected device” should see a “slider… which enables them to adjust the level of the audio to suit their own particular needs”. Regrettably, I could not see a slider on BBC iPlayer at time of writing.

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Gutenberg Accessibility Costs WordPress the W3C Work

This is a story that has taken up a lot of headlines, and many articles assume a fair bit of background knowledge, so I’ll be giving a longer TLDR than normal (though still largely based on Adrian Roselli‘s article above):

• The World Wide Web Consortium (WC3) are redesigning their rather clunky site, w3.org, with the help of digital agency Studio 24, whose progress you can monitor on w3c.studio24.net.
• In choosing a CMS for the new site, Studio 24 indirectly announced that it was no longer considering using WordPress. WPTavern – a site dedicated to WordPress – took issue with this, and Studio 24 clarified that the decision is due to accessibility issues in Gutenberg (WordPress’s block-based WYSIWYG interface).
• It’s now turned into a bit of a battle of Free and Open Source Software (FOSS) vs Accessibility, as Craft CMS – the platform Studio 24 eventually chose – is not open source.
• Adrian goes a little bit into the history of Gutenberg and its pained relationship with accessibility, but it boils down to accessibility not being a focus for the platform. In contrast, Craft has made a public commitment to WCAG.
• Adrian concludes that the W3C has made the right call (as do other people in my echo chamber) in prioritising accessibility over what kind of license something has.

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As diabetes increases in sub-Saharan Africa, so will blindness

• A large number of people arriving at a health organisation in Tanzania have developed diabetic retinopathy – a complication of diabetes that can cause permanent blindness and is the leading cause of blindness in working age adults globally. Many patients are unaware they’re diabetic and are arriving too late for early stage treatment (lasers and injections) and so up to 20 patients per week are being referred for eye surgery at a private hospital, where surgery costs $2,500-$4,000. Many patients cannot afford this. A 143% increase in diabetes is expected in Africa by 2045. It is also on the rise globally, particularly in low and middle income countries. The article suggests that AI could be used to make screenings for diabetic retinopathy more affordable.

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WAVE 3.1 Release

• Version 3.1 of the accessibility evaluation tools has been released, with improvements including: YouTube videos are identified as an Alert (prompts users to verify it has captions), better ARIA and title support, reduced false errors for contrast testing, and identifying structures that could be lists (but are not marked up as such).

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How do the new iOS 14 accessibility features stack up?

• Deque reviews the new a11y features in iOS 14. It supports widgets on the home screen, e.g. for at-a-glance weather reports, which makes it easier for everybody to find out pertinent information quickly. Back Tap (tapping 2-3 times on the back of the phone) can be mapped to do things such as take screenshots, and seems beneficial as another ‘shortcut’ alongside the existing triple-click-home button. VoiceControl can in theory be used with VoiceOver, but it’s hard to make a voice command when so much content is being read out on screen; Deque recommends delaying supporting the VoiceControl/VoiceOver combination in your applications until Apple has ironed out a few issues.

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Are clear masks the way to clearer communication? The deaf community isn’t so sure.

• Yahoo! article by Abby Haglage, explaining that clear face masks may not be the panacea we think it is for the deaf community. The masks can fog up, reducing visibility – and even if that is put aside, lip reading is only about 30% effective. Many advocates are encouraging people to learn some BSL (British Sign Language) instead. However, Abby acknowledges that clear masks are a step in the right direction.

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10 Things to Know About Twitter’s Alternative Text for Images

• Article by Deborah Edwards-Oñoro, summarising a few things you may not know about alt text for images in tweets. Alt text is now enabled by default on the web and apps (no need to turn on image descriptions in settings). Alt text cannot be added to already published tweets. It can be added to animated GIFs. You can use up to 1000 characters for alt text. If you leave it blank, Twitter will add “Image” as the alt text.

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Duet Date Picker

• This is a WCAG 2.1 compliant date picker, from the Duet Design System, that also allows you set a minimum and maximum allowed date. It can be used standalone or incorporated into any JavaScript framework, and weighs 10kb minified and Gzip’ed. It supports modern browsers and screen readers, and has limited support for IE11.

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alt attributes like paragraphs

• Developer and accessibility expert Dave Rupert came to a realisation recently: “alt text is like a paragraph”. To clarify, Dave isn’t talking about the length of the alt text here, but the order in which it appears, and its contextual relevance. A lot of designs have images appearing before headings, but screen reader users who navigate by headings would miss the image (and alt) entirely. If the image is important (e.g. “Sale” or “New”), it should probably be moved below the heading in the source order, but then perhaps rendered above the heading using something like the CSS order property.

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GDS updates its Government Service Standard requirements for assistive technology (AT) testing

• Other than updating version numbers of AT and browser combinations, the main changes are: adding TalkBack (Android screen reader); reducing magnification level to test in from 10x to 4x; swapping ZoomText with Windows Magnifier or Apple Zoom; and specifying VoiceOver should be tested in iOS (testing in macOS is in a new ‘optional’ list for further testing).
• There’s also a helpful note about it being good to test with any screen reader, speech recognition tool or screen magnifier in your development environment, but that you should test against the full list prior to launch.

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