Image and Media Alternatives and Control Jun 2025 (#338)

---------

Co-authored-by: Kenneth G. Franqueiro <[email protected]>

Author: iadawn

guidelines/groups/image-and-media-alternatives.json

@@ -3,6 +3,8 @@
     "image-alternatives",
     "media-alternatives",
     "non-text-alternatives",
+    "captions",
+    "audio-descriptions",
     "figure-captions",
     "single-sense"
   ],

guidelines/groups/image-and-media-alternatives/audio-descriptions.md

@@ -0,0 +1,20 @@
+---
+children:
+  - audio-descriptions-exist
+  - audio-description-is-findable
+  - audio-description-is-controllable
+  - audio-description-in-target-user-language
+  - audio-description-equitable
+  - audio-description-is-synchronized
+  - audio-description-does-not-overlap-other-audio
+  - audio-description-is-adaptable
+  - extended-audio-description
+  - alternative-language-versions-are-available
+  - style-guide
+  - testing-with-users
+  - reviewed-by-content-creators
+  - using-human-describers
+  - perfect-set-of-alternatives
+---
+
+Where there is visual :term[content] in media, there is an equivalent synchronized :term[audio description].

guidelines/groups/image-and-media-alternatives/audio-descriptions/alternative-language-versions-are-available.md

@@ -0,0 +1,6 @@
+---
+type: supplemental
+status: developing
+---
+
+:term[Audio description] in alternative languages to that of the media are available so that the user can choose to listen to the audio description in their preferred language.

guidelines/groups/image-and-media-alternatives/audio-descriptions/audio-description-does-not-overlap-other-audio.md

@@ -0,0 +1,6 @@
+---
+type: foundational
+status: developing
+---
+
+:term[Audio description] is provided during existing pauses in dialogue and does not overlap other important audio.

guidelines/groups/image-and-media-alternatives/audio-descriptions/audio-description-equitable.md

@@ -0,0 +1,7 @@
+---
+type: foundational
+status: developing
+title: Audio description equitably describes important visual information
+---
+
+Information about actions, charts or informative visuals, scene changes, and on-screen text that are important and are not described or spoken in the main soundtrack are included in the :term[audio description].

guidelines/groups/image-and-media-alternatives/audio-descriptions/audio-description-in-target-user-language.md

@@ -0,0 +1,7 @@
+---
+type: foundational
+status: developing
+title: Audio description is in the target user's language
+---
+
+When :term[audio description] is provided as an alternative for visual information, it is provided in the target user's language for the media.

guidelines/groups/image-and-media-alternatives/audio-descriptions/audio-description-is-adaptable.md

@@ -0,0 +1,6 @@
+---
+type: foundational
+status: developing
+---
+
+Mechanisms are available that allow users to control the :term[audio description] volume independently from the audio volume of the video and to change the language of the audio description, if multiple languages are provided.

guidelines/groups/image-and-media-alternatives/audio-descriptions/audio-description-is-controllable.md

@@ -0,0 +1,6 @@
+---
+type: foundational
+status: developing
+---
+
+The media player provides a mechanism to turn the :term[audio description] on and off.

guidelines/groups/image-and-media-alternatives/audio-descriptions/audio-description-is-findable.md

@@ -0,0 +1,6 @@
+---
+type: foundational
+status: developing
+---
+
+Mechanisms exist to help users find audio alternatives to the visual information conveyed in visual media.

guidelines/groups/image-and-media-alternatives/audio-descriptions/audio-description-is-synchronized.md

@@ -0,0 +1,6 @@
+---
+type: foundational
+status: developing
+---
+
+The :term[audio description] is in sync with the visual content.