Google Meet introduces adaptive audio to synchronize microphones and speakers across multiple laptops in a same room, reducing echo and feedback. Enabled by default, it will start rolling out globally by June 5, 2024, for select Google Workspace customers.
https://alternativeto.net/news/2024/5/google-meet-introduces-adaptive-audio-to-sync-microphones-from-all-the-laptops-in-a-room/