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Glossary: definition of "prerecorded" #323
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There's also some overlap with https://www.w3.org/TR/WCAG21/#dfn-real-time-events |
Here are all the phrases from success criteria that use the adjective "prerecorded":
With regard to the examples:
Are there any other types of computer-generated information that would be provided in audio or video format and that would require subtitles or audio description? |
Yes, anything interactive like games or immersive environments. Those settings need not be "live" but are scripted and programmed and not "prerecorded". This is part of the reason why the WCAG "synchronized media" definition includes "or with time-based interactive components" phrasing. |
need to be careful not to start overlapping with things that would fall under 1.1.1 Non-text Content or 4.1.3 Status Messages, for instance. |
Yea
We have a new problem with emerging games. Where the games make up the ’scene’ on the fly. And they do it with deep learning - -which means they may make up a scene without knowing what the scene is. That is - they make it look like a room - -without knowing what the objects in a room are — they just know that rooms look like that and have those kind of things in them.
So it is KIND OF live — in that it generated the scene on the fly (live) and is not programmed or scripted… So Uffda
This will be one of the topics in the meeting this fall we are doing on the Future of Interface and Future of Interface Accessibility
More about that later but wanted to toss awareness of this new wrinkle into the discussion
Gregg Vanderheiden
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… On Aug 12, 2022, at 9:09 AM, Bruce Bailey ***@***.***> wrote:
Are there any other types of computer-generated information that would be provided in audio or video format and that would require subtitles or audio description?
Yes, anything interactive like games or immersive environments. Those settings need not be "live" but are scripted and programmed and not "prerecorded".
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Closes #3198 Note: Issue #323, from 2018, does bring up the issue of what generated on the fly audio is (live? prerecorded?) and it wasn’t resolved. It’s not clear to me whether this fits under 1.2.1 (pre-recorded audio only) or 1.2.9 (audio-only live), but I’m not sure it matters as both require an alternative.
The glossary term for "prerecorded" in WCAG2.1, https://www.w3.org/TR/WCAG21/#dfn-prerecorded, simply says "information that is not live". However, the definition for "live", https://www.w3.org/TR/WCAG21/#dfn-live, specifically excludes information that is "completely computer generated".
I think there is computer generated information that doesn't meet the usual English definition of "prerecorded". some examples:
Would it make sense to create a third category for computer generated information? Or, alternatively, to specifically call it out as being considered "prerecorded"?
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