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is it possible to have the livekit agent say somet...
# ask-ai
h
is it possible to have the livekit agent say something if there has been a long pause
t
Thanks for reaching out, Julian. I'm an AI assistant and I'm here to help. Give me a moment while I research this topic.
Yes, LiveKit can detect long pauses and trigger an agent to respond. This can be achieved using the following features: • Voice Activity Detection (VAD): Detects when a user stops speaking. After a period of silence exceeding the 
min_endpointing_delay
(default is 500ms), the agent considers the turn complete. • Turn Detector Plugin: Enhances VAD by understanding conversational context. It can wait longer before responding if it predicts the user will continue. • InactivityHandler: An optional feature that triggers an agent message after a set period of silence, which is customizable. For example, if there is a long pause, the InactivityHandler can prompt the user with a message.
h
can you share an example of the InactivityHandler
t
Here’s a simple example of how you can use the InactivityHandler in LiveKit:
Copy code
from agent_extensions.handlers import InactivityHandler

# Set up the InactivityHandler with a 10-second timeout and a friendly message
inactivity_handler = InactivityHandler(
    timeout_seconds=10,
    inactivity_message="Are you still there?"
)

# Kick off the handler with your agent
inactivity_handler.start(agent)

# Behind the scenes, it keeps an eye on activity and sends a message if things go quiet
What’s happening here: • Initialization: You tell it how long to wait with 
timeout_seconds
, and what message to send with 
inactivity_message
. • Activity Tracking: It watches for when the user starts talking and resets the timer so it doesn’t interrupt. • Inactivity Handling: If no one says anything within the timeout, it gently checks in with your message. It’s a handy way to keep your app feeling responsive and make sure users don’t get left hanging. Sources: agent_extensions/agent_extensions/__init__.py | Example Applications | livekit/livekit_composite | DeepWiki
h
is it possible to use an inactivity handler with langgraph
t
I don't have the answer you're looking for. You could also try asking your question: • in one of the other Slack channels or • to https://deepwiki.com/livekit/livekit_composite which is trained on all LiveKit source code If you find the answer, please post it here to help others!
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