Share browser audio | LiveKit Docs

caution:

Audio sharing is only possible in certain browsers. Check browser support on MDN's compatibility table.

Assuming you have already connected to a LiveKit Room:

const tracks = await localParticipant.createScreenTracks({
  audio: true,
});

tracks.forEach((track) => {
  localParticipant.publishTrack(track);
});

Testing

Publisher

When sharing audio, make sure you select a Browser Tab (not a Window) and ☑️ Share tab audio, otherwise no audio track will be generated when calling createScreenTracks:

Subscriber

On the receiving side, you can use RoomAudioRenderer to play all audio tracks of the room automatically, AudioTrack or your own custom <audio> tag to add the track to the page. If you don't hear any sound, check you're receiving the track from the server:

room.getParticipantByIdentity('<participant_id>').getTrackPublication('screen_share_audio');