Re: Captions requirement for picture in picture videos

Hi Ajay,

The WCAG captions definition does prescribe that captions provide
"information needed to understand the media content".
https://www.w3.org/TR/WCAG21/#dfn-captions

Kind Regards,
Laura


On 9/7/21, John Foliot <john@foliot.ca> wrote:
> Hi Ajay,
>
> A number of years ago, as part of the then emergent HTML5 efforts, a
> smaller group inside of the W3C got together and created the MAUR - the
> Media Accessibility User Requirements. As part of that effort, we looked
> at, and significantly discussed, captions and caption needs for multiple
> user groups.
>
> While most of the requirements detailed in the MAUR are not considered
> "normative requirements" (i.e. they are not specifically part of WCAG),
> the requirements go beyond minimal expectations and are hopefully
> the "everything-for-everyone document", outlining the needs of users with
> differing disabilities. That document, and it's guidance, can be found at:
> https://www.w3.org/TR/media-accessibility-reqs/
>
> To your use case:
>
>> does a video being displayed within picture in picture frame need to have
> captions?
>
>
> Yes. To be WCAG compliant, *all videos* require captions (unless there is
> no audio track/narrative present)
>
>> if we  show the captions it will appear very small and very hard to read,
> so would  it be still a compliance requirement or a good to have feature?
>
> It remains a compliance requirement. WCAG states:
>
> *Success Criterion 1.2.2 Captions (Prerecorded) (Level A)*
>
>
> *Captions are provided for all prerecorded audio content in synchronized
> media, except when the media is a media alternative for text and is clearly
> labeled as such.*
>
>
> You will note however that the Success Criterion does not speak to caption
> placement, caption font size, or (frankly) any other aspect of captions,
> only that they must be present.
>
> MAUR goes further and suggests a few additional requirements, such as:
>
>    - [CC5] Support positioning in all parts of the screen - either inside
>    the media viewport but also possibly in a determined space next to the
>    media viewport.
>    - [CC-9] Permit a range of font faces and sizes.
>    - [CC-11] Render text in a range of colors. The user should have final
>    control over rendering styles like color and fonts; e.g., through user
>    preferences.
>
> Add those all up, and yes, the concern you articulate is indeed a concern.
> Since today I am personally unaware of a video player that supports those
> specific MAUR requirements, I would advise that at a minimum, you also
> ensure that a text transcript *ALSO* be readily available for those users
> who will need text equivalencies. It may not be "the letter of the law",
> but it *IS* the right thing to do.
>
> HTH
>
> JF
>
> On Tue, Sep 7, 2021 at 3:38 PM Ajay Sharma <ajaysharma89003@gmail.com>
> wrote:
>
>> Hello,
>>
>> Looking for some insights on a situation where we have a video player
>> that
>> shows captions when viewed in original player, and this video player will
>> also show up within picture in picture frame so that people can multitask
>> while viewing the video. So, the question is does a video being displayed
>> within picture in picture frame need to have captions? Since even if we
>> show the captions it will appear very small and very hard to read, so
>> would  it be still a compliance requirement or a good to have feature?
>>
>> Thanks,
>> Ajai
>>
>
>
> --
> *John Foliot* |
> Senior Industry Specialist, Digital Accessibility |
> W3C Accessibility Standards Contributor |
>
> "I made this so long because I did not have time to make it shorter." -
> Pascal "links go places, buttons do things"
>


-- 
Laura L. Carlson
Information Technology Systems and Services
University of Minnesota Duluth
Duluth, MN U.S.A. 55812-3009
http://www.d.umn.edu/itss/training/online/webdesign/

W3C Invited Expert
Accessibility Guidelines Working Group
https://www.w3.org/groups/wg/ag/participants

Pronouns: she/her/hers

Received on Wednesday, 8 September 2021 14:04:26 UTC