With Live Captions, you can get real-time captioning of audio—allowing you to easily follow the audio in any app, such as FaceTime or Podcasts, and in live conversations around you.
Turn on Live Captions
Click on the Apple menu > System Settings
Click Accessibility in the sidebar, then click Live Captions (Beta) on the right
Turn Live Captions on or off
The Live Captions window appears and stays on screen. If you want to hide the window when no audio is detected, click the Live Captions icon in the menu bar , then make sure Keep Onscreen isn’t chosen.