To use

room_io

for noise cancellation in your code, you need to import it from the

livekit.agents.voice

module. Below are the correct import statements and usage details: Import Statements:

from livekit.agents.voice import room_io
from livekit.plugins import noise_cancellation

Alternatively, you can import specific classes directly:

from livekit.agents.voice.room_io import RoomInputOptions
from livekit.plugins import noise_cancellation

Usage Example:

await session.start(
    agent=agent,
    room=ctx.room,
    room_input_options=room_io.RoomInputOptions(
        noise_cancellation=noise_cancellation.BVC(),
    )
)

Available Noise Cancellation Models: • `noise_cancellation.NC()`: Standard enhanced noise cancellation • `noise_cancellation.BVC()`: Background voice cancellation (NC + removes non-primary voices) • `noise_cancellation.BVCTelephony()`: Background voice cancellation optimized for telephony applications Installation: Before using noise cancellation, ensure you have installed the required package:

pip install "livekit-plugins-noise-cancellation~=0.2"

The

room_io

module is part of the core LiveKit Agents framework and facilitates communication between your agent and room participants, while the noise cancellation functionality is provided through a separate plugin that integrates with the

RoomInputOptions

. Sources: complex-agents/nutrition-assistant/agent.py | livekit-agents/livekit/agents/voice/room_io/__init__.py | Noise & echo cancellation | LiveKit Docs