Captions and AD for user-created/uploaded video?

[brennanyoung]

We are developing a native mobile app which trains psychomotor skills for CPR.

The app makes a bluetooth connection to a CPR training manikin. User points the camera at the manikin, then presses 'record'. The manikin records and transmits compression/ventilation data, while the mobile device makes a video recording, and the compression/ventilation data is both displayed on the mobile device, and synchronised with the video. The display indicates whether the trainee is compressing at the correct rate and depth, and whether ventilations (breaths) are being administered appropriately.

After the recording is complete, user can upload their video, with the synchronised compression/ventilation data.

The intent here is that users can 'coach themselves' by comparing performance across videos (including the compression/ventilation data).

We especially hope that they will pay attention to posture and hand position, but they should also practice swapping with another rescuer. (CPR is quite strenuous). Much of what is said by the trainees will be irrelevant noise, but a small portion of it (especially the dialog around rescuer swapping) will be important.

Clearly, these videos are 'prerecorded', rather than live.

We certainly face some design challenges here, but I wonder if any consideration has been given in WCAG to the problem of captions and AD for user-created video - especially where the audience for those videos is the same users that made them. (We do not offer a way to share the sessions with others).

If we just provide a button to upload a captions and AD file alongside the video we are (I suppose) letter-of-the-law compliant with WCAG 2.x AA. but we can not realistically 'police' those assets, to ensure that the captions and AD preserve the meaning of the video and its soundtrack.

If we force users to provide a captions and AD file alongside their video, I suspect that people will just upload random junk just to proceed (and we will no doubt lose most of our audience). That does not seem useful. How does compliance with 1.2.x fit here?

Another problem is that a novice is (by definition) unable to identify what makes a good performance - what details from the video are most valuable to capture in captions or AD. If the intent is to preserve meaning, but the user does not yet know what is meaningful, how do we resolve this?

Is this an area which WCAG could help with? Where else can I find help? Really struggling to find some guidance on this.

[patrickhlauke]

On 07/10/2020 12:13, Brennan Young wrote: We certainly face some design challenges here, but I wonder if any consideration has been given in WCAG to the problem of captions and AD for *user-created* video - especially where the audience for those videos is the same users that made them. (We do not offer a way to share the sessions with others).

This is relevant for the first part https://www.w3.org/TR/WCAG21/#conformance-partial I'd say it would be good practice to *provide* some way for users to add a form of captions/AD if they wished, but not to make it required. Particularly if this is essentially content that the user only shares with themselves, I would find it difficult to come up with a scenario where a user would then want to litigate/claim a system is inaccessible to them if they didn't actually provide the data/content themselves. They could perhaps complain that they were not given the option to, though, so I'd go with some way of letting users do that if they really wish.

[mraccess77]

My personal thought is that under Section 508/EU standards content which can be shared with others is authored content and would be covered in those standards. In this case since you can't share with others it sounds like it falls outside that requirement. I'd recommend allowing people to upload a caption file but not requiring it. The authoring tool requirements generally also indicate that the product makes the user aware of the need as well and so you might want to check out those additional aspects if you want to aligns with that even if the product isn't an authoring tool. I could see in the future the benefit of sharing these with an instructor, etc. so it might be useful to have a mechanism in place now.