Find a way to support audio descriptions in a video, i.e. text-to-speech solution that reads from a text file based on a certain time in a video, pause video if necessary while audio plays.
For example, in a live conference where a presenter is showing the audience a Powerpoint and not explaining a graph she is showing, a visually impaired person should be able to get information about what is shown in the video.
Could perhaps be solved by offering a second audio track on the video (+ pause video)
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