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livekit-plugins-noise-cancellation
Advanced tools
Add realtime enhanced noise cancellation to inbound AudioStream. Fully compatible with LiveKit Agents.
Requires LiveKit Cloud.
Read more in the documentation
Include the filter in RoomInputOptions when starting your AgentSession:
from livekit.plugins import noise_cancellation
# ...
await session.start(
# ...,
room_input_options=room_io.RoomInputOptions(
noise_cancellation=noise_cancellation.BVC(),
),
)
# ...
Noise cancellation can also be applied to any individual inbound AudioStream:
stream = rtc.AudioStream.from_track(
track=track,
noise_cancellation=noise_cancellation.NC(),
)
noise_cancellation.NC()noise_cancellation.BVC()noise_cancellation.BVCTelephony()Noise cancellation only needs to be applied once, so if you choose to apply it here you should disable noise cancellation / Krisp filter in your frontend clients.
If you experience crashes when using noise_cancellation (especially on AMD CPUs), it may be due to a failure in OpenBLAS's CPU detection. Manually setting the OPENBLAS_CORETYPE environment variable to a more conservative value (e.g., Haswell) may resolve the issue.
FAQs
Livekit plugin for noise cancellation of inbound AudioStream
We found that livekit-plugins-noise-cancellation demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 1 open source maintainer collaborating on the project.
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