To add transcripts to audio or video:

  1. Insert audio or video to the slide.
  2. Add text and move it out of the slide view.

  3. Set up the sequence that the objects will appear in:

    1. Go to the Home tab in PowerPoint.

    2. Click the Select button and choose the Selection Pane option.

    3. Arrange the objects in the desired order.

  4. Publish the course and select the Enable accessibility mode option in the Accessibility mode section of the Publish Presentation window.

  5. As a result, the text of the published course will be displayed as follows, in accessible mode:

    Now users will be able to see the transcription of the audio and video on the slide.