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Change Accessibility Descriptions preferences on Mac
On your Mac, use the Descriptions pane of Accessibility System Preferences to listen to a description of the visual content in films, TV programmes and other media, if available.
To change these preferences, choose Apple menu > System Preferences, click Accessibility, then click Descriptions.
Open the Descriptions pane for me
Play audio descriptions when available | If available, automatically play the description of the visual content. |