typescript
<LiveKitRoom
  room={room}
  token={connectionDetails.token}
  serverUrl={connectionDetails.serverUrl}
  connect={true}
  audio={{
    echoCancellation: false,
    noiseSuppression: false,
    autoGainControl: false
  }}
  video={false}
  onConnected={() => {
    console.log('LiveKit connected with audio enabled')
    // We check if audio tracks are automatically published
    if (room.localParticipant) {
      const audioTracks = room.localParticipant.audioTrackPublications
      console.log('Audio track publications:', audioTracks.size)
      // If not published, we manually publish
      if (audioTracks.size === 0) {
        navigator.mediaDevices.getUserMedia({
          audio: {
            echoCancellation: false,
            noiseSuppression: false,
            autoGainControl: false
          }
        }).then(async (stream) => {
          const audioTrack = stream.getAudioTracks()[0]
          if (audioTrack) {
            await room.localParticipant.publishTrack(audioTrack)
          }
        })
      }
    }
  }}
>
  <VoiceUIBallInner ... />
</LiveKitRoom>

python
from livekit.agents import (
    Agent,
    AgentSession,
    AutoSubscribe,
    JobContext,
    RoomInputOptions,
    RoomOutputOptions,
)

# In the entrypoint function:
await session.start(
    agent=briseis_agent,
    room=ctx.room,
    room_input_options=RoomInputOptions(
        # We tried adding this but got error:
        # auto_subscribe=AutoSubscribe.AUDIO_ONLY,  # TypeError: unexpected keyword argument
    ),
    room_output_options=RoomOutputOptions(
        audio_enabled=True,
        transcription_enabled=True
    ),
)

# We have event handlers but they never fire for audio tracks:
@ctx.room.on("track_subscribed")
def on_track_subscribed(track: rtc.Track, publication: rtc.RemoteTrackPublication, participant: rtc.RemoteParticipant):
    <http://logger.info|logger.info>(f"Track subscribed: {track.kind} from {participant.identity}, source: {publication.source}")
    if track.kind == "audio":
        <http://logger.info|logger.info>(f"Audio track subscribed! Muted: {publication.muted}, Subscribed: {publication.subscribed}")

audio

LiveKitRoom

AutoSubscribe

RoomInputOptions

auto_subscribe

audio={true}

audio={object}