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09/18/2025, 5:43 PMignoring incoming text stream due to no handler for topic lk.transcriptiontall-airline-16756
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09/18/2025, 5:48 PMagent_state_changed event to see if the agent moves into the "speaking" state. Also, double-check that the participant is recognized as an agent by confirming kind === ParticipantKind.AGENT or permissions.agent.
2. Check Speaking Activity: Watch the isSpeaking property and the ParticipantEvent.IsSpeakingChanged event to make sure the agent is actively speaking.
3. Confirm Audio Track: Make sure the agent has an active and published audio track. You can verify this with the TrackPublishedEvent and check if the microphone is turned on.
4. Inspect Speech Creation: Take a look at your server and client logs for the speech_created event, which shows when the agent’s speech is generated through user input or commands like session.say.
5. Review Audio Pipeline: It’s helpful to check for any issues like silence detection warnings or errors in the TTS (Text-to-Speech) pipeline that might be affecting speech.
6. Check Turn Detection: Lastly, ensure the turn_detection parameter is set up properly, since incorrect settings here can sometimes block speech from starting.
I hope these steps make the process clearer! Please feel free to reach out if you'd like me to walk you through any of them in more detail or if you have other questions. I'm here to help!
Sources: lib/src/participant/participant.dart | agent-console/lib/event-definitions.tsx | Understanding "silence detected on local audio track" warning | livekit-agents/livekit/agents/voice/agent_session.py | Events and error handling | LiveKit Docs