LCC's Accessibility Guidelines
Multimedia (Audio, Video, Live Captioning)
Multimedia (Audio, Video, Live Captioning)
Audio Only
Audio Only provides content such as podcasts, recorded lectures, and voice messages.
| Audio Only Accessibility Rule | How To Fix |
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A transcript is provided. Transcripts must be 100% accurate and include all spoken words, speaker identification (when applicable), and important non-speech sounds (laughter, music cues, etc.). Transcripts should be easy to locate, such as next to the audio player or linked directly. |
To create a transcript: Method 1: Hand type a script for the audio file. Method 2: Use Kaltura to either record or upload an audio file, then request captions using the closed caption feature.
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Audio files are not set to autoplay and do not loop. Autoplay is problematic for users using screen readers, as screen readers read the text on the page aloud; having an audio file autoplay can cause both the file and screen reader to play at the same time. |
For Kaltura videos: Kaltura audio files automatically enable user control that does not allow looping or auto-play. For YouTube videos: Autoplay is viewer controlled and can be turned off by doing either of the following:
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Video with Audio (Pre-Recorded)
Note:
eLearning recommends to use Kaltura Media Platform to ensure accessible videos in D2L. Other systems, like YouTube or the D2L Media player do not have the ability to edit caption files or add Audio Descriptive tracks, and may not support the accessibility features required to meet ADA Title II requirements.
| Video with Audio (Pre-Recorded) Accessibility Rule | How To Fix |
|---|---|
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Closed captions are provided. Closed captions must be 100% accurate, synchronized, and include speaker identification (when applicable), as well as important non-speech sounds (laughter, music cues, door slamming, etc.). Autogenerated closed captions need to be reviewed and/or edited to ensure 100% accuracy. |
For videos created using Kaltura:
For YouTube videos:
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Audio descriptions are provided for videos where key visual details are not conveyed through existing narration. Audio descriptions must be accurate and convey all key visual information, such as actions, speaker identification (when applicable), charts/graphs, gestures, scene changes, and on-screen text. Audio descriptions should only describe what is physically observable, without adding personal opinions or interpretations. Audio Description Exception: If all important visuals are verbally explained in the video’s primary audio, an audio description track is not required. There are two types of audio descriptions:
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To determine if a video needs an audio description track:
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Video files are not set to autoplay and do not loop. Autoplay is problematic for users using screen readers, as screen readers read the text on the page aloud; having a video file autoplay can cause both the video and screen reader to play at the same time. |
For Kaltura videos: Kaltura video files automatically enable user control that does not allow looping or auto-play. For YouTube videos: Autoplay is viewer controlled and can be turned off by doing either of the following:
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Images or other multimedia are not prone to induce seizures. Animated images that contain flashing or contrasting lights or patterns can lead to seizures for people that suffer from photosensitive epilepsy, which is a very serious and potentially life-threatening condition. In addition, animated images with these characteristics can be generally unpleasant to look at, even for those not prone to seizures. |
Do not use blinking or flashing media. Use a different media file or image. |
Video Only (No Audio)
| Video Only (No Audio) Accessibility Rule | How To Fix |
|---|---|
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A descriptive text transcript is provided that explains all meaningful visual information. The descriptive text transcript should include actions, scenes, on-screen text, diagrams, gestures, charts, etc., and should only describe what is visually observable, without adding personal opinions or interpretations. If the video is time-based, the transcript must be synchronized with the visual content or provided as audio description, if appropriate. Transcripts should be easy to locate, such as next to the video player or linked directly. |
To create a descriptive text transcript: Hand type a transcript that explains all meaningful visual information. |
Live Captioning
| Live Captioning Accessibility Rule | How To Fix |
|---|---|
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Real-time captions are provided. Real-time captions should be provided for all public-facing or instructional live events. |
For live events in Webex: Webex offers a user-controlled captioning feature, where users can elect to turn live captioning on or off, as needed. |
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