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macOS accessibility features for hearing
macOS includes accessibility features to show and customize captions on the screen, make and receive Real-Time Text (RTT) calls, and more.
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Audio features
Have the screen flash when alerts or announcements occur, and play stereo audio as mono. If you have a Mac with Apple silicon, you can choose whether Spatial Audio follows the movement of your head when you listen to spatial audio content. See Change Audio preferences for accessibility.
RTT features
If your Mac supports it, set up your Mac to make and receive RTT calls. See Change RTT preferences for accessibility.
Captions features
Control how subtitles are styled, and whether to use closed captions and SDH instead, when they’re available. See Change Captions preferences for accessibility.