Merge pull request #23 from livekit-examples/enable-krisp

enable Krisp BVC

Author: davidzhao

.gitignore

@@ -1,3 +1,4 @@
 .env.local
+.venv/
 venv/
 .DS_Store

agent.py

@@ -11,7 +11,14 @@
     metrics,
 )
 from livekit.agents.pipeline import VoicePipelineAgent
-from livekit.plugins import cartesia, openai, deepgram, silero, turn_detector
+from livekit.plugins import (
+    cartesia,
+    openai,
+    deepgram,
+    noise_cancellation,
+    silero,
+    turn_detector,
+)
 
 
 load_dotenv(dotenv_path=".env.local")
@@ -48,11 +55,15 @@ async def entrypoint(ctx: JobContext):
         stt=deepgram.STT(),
         llm=openai.LLM(model="gpt-4o-mini"),
         tts=cartesia.TTS(),
+        # use LiveKit's transformer-based turn detector
         turn_detector=turn_detector.EOUModel(),
         # minimum delay for endpointing, used when turn detector believes the user is done with their turn
         min_endpointing_delay=0.5,
         # maximum delay for endpointing, used when turn detector does not believe the user is done with their turn
         max_endpointing_delay=5.0,
+        # enable background voice & noise cancellation, powered by Krisp
+        # included at no additional cost with LiveKit Cloud
+        noise_cancellation=noise_cancellation.BVC(),
         chat_ctx=initial_ctx,
     )
 

requirements.txt

@@ -1,7 +1,10 @@
-livekit-agents>=0.12.11,<1.0.0
-livekit-plugins-openai>=0.10.17,<1.0.0
-livekit-plugins-cartesia>=0.4.7,<1.0.0
-livekit-plugins-deepgram>=0.6.17,<1.0.0
-livekit-plugins-silero>=0.7.4,<1.0.0
-livekit-plugins-turn-detector>=0.4.0,<1.0.0
+livekit-agents>=0.12.17,<1.0.0
+livekit-plugins-openai>=0.11.2,<1.0.0
+livekit-plugins-cartesia>=0.4.10,<1.0.0
+livekit-plugins-deepgram>=0.7.0,<1.0.0
+livekit-plugins-silero>=0.7.5,<1.0.0
+# optional, only when using LiveKit's turn detection model
+livekit-plugins-turn-detector>=0.4.3,<1.0.0
+# optional, only if background voice & noise cancellation is needed
+livekit-plugins-noise-cancellation>=0.2.0,<1.0.0
 python-dotenv~=1.0