If you are joining a Video Signing Room™ meeting using Google Chrome and you wish to have Live Captions, Chrome has a built-in captioning feature that provides live captions during the meeting. The browser will display the live captions of the other attendees in the meeting as they speak.
Please visit the following article from Google on how to enable Live Captions: https://support.google.com/chrome/answer/10538231?hl=en