Скачать или смотреть WCAG 2.1 Article 1.2.1

Josh explains WCAG Article 1.2.1

Tools and info to get your website accessible and WCAG Compliant: http://OnlineADA.com

Unlock the WCAG walkthroughs for level AA compliance, get accessibility web development training, and additional tools training in the Accessibility Academy: https://onlineada.com/academy/

Are you a digital agency? Join our Partner Agency Program! https://onlineada.com/partners/

Online ADA
Advancing Digital Accessibility

Transcript Below:

Hey everybody! Josh here with Online ADA.

In this video we're gonna cover article 1.2.1

of the WCAG accessibility

guidelines. WCAG 2.1, article 1.2.1

reads, "audio only and video only pre recorded".

This is going to be for circumstances where on

your website you have an audio tag or a video tag

that is only displaying one or the other.

If you had those things playing together in one

video that's considered synchronized media,

but this is talking about audio only or

video only.

It's an important distinction in this case

When you have

audio only or video only

we're gonna read,

"for pre recorded audio only and pre recorded

video only media the following our true, except

when the audio or video is a media alternative

for text and it's clearly labeled as such".

So that's basically saying that if you have a

video only element

that plays and you provided an audio track for it,

if you label it

as being the media alternative for that video

then it doesn't need to have it own

media alternative and

continue on down that chain.

For pre recorded audio only

an alternative for time based media is provided

the presents equivalent information for pre

recorded audio

content.

For

pre recorded video only content, either an

alternative for time based media or an audio

track is provided that presents equivalent

information for pre recorded video only

content. For video only elements

a common way of getting an alternative for that,

is gonna be to have an audio version of what

the video has or some sort of audio description.

Videos

are a lot easier in my opinion

because you can add

many different things to make them compliant.

One of those is captions, which actually falls

into another

guideline,

but it can also be helpful here as you can have

the information that is being presented in the

video is being described

on the screen in a caption.

That would be one way to meet this particular

article.

Another way would be to simply present a an audio

version of the video, so

if

have a animation or gif or some sort of like

really short video that's just like a

a demonstration of how something is working. Like

let's say how to tie a tie. You have a video

that just shows somebody the steps to tie a tie

and it's just like a, a one minute video of someone

doing that.

An audio description would read

the steps that they take to do that, sort of like

if you were reading

a Wikipedia article page of the same thing. You

have the description in text or an audio

of what's happening in the video. It isn't often

that I run into these particular

scenarios.

All media that I run into when I'm doing my

audits is

synchronized media

and that is actually a whole separate situation.

So

the best way to provide alternatives for audio

only content is by providing a text alternative.

It doesn't make a lot of sense, or at least I've

never run into a situation where it made sense to

provide a video alternative for the audio content.

And that wraps up this guideline. Thanks for

joining me. I'll see you on the next video.