examples: update with new user and bot turn start strategies

examples/foundational/23-bot-background-sound.py

@@ -12,7 +12,6 @@ from dotenv import load_dotenv
 from loguru import logger
 
 from pipecat.audio.mixers.soundfile_mixer import SoundfileMixer
-from pipecat.audio.turn.smart_turn.base_smart_turn import SmartTurnParams
 from pipecat.audio.turn.smart_turn.local_smart_turn_v3 import LocalSmartTurnAnalyzerV3
 from pipecat.audio.vad.silero import SileroVADAnalyzer
 from pipecat.audio.vad.vad_analyzer import VADParams
@@ -30,6 +29,8 @@ from pipecat.services.openai.llm import OpenAILLMService
 from pipecat.transports.base_transport import BaseTransport, TransportParams
 from pipecat.transports.daily.transport import DailyParams
 from pipecat.transports.websocket.fastapi import FastAPIWebsocketParams
+from pipecat.turns.bot.turn_analyzer_bot_turn_start_strategy import TurnAnalyzerBotTurnStartStrategy
+from pipecat.turns.turn_start_strategies import TurnStartStrategies
 
 load_dotenv(override=True)
 
@@ -50,7 +51,6 @@ transport_params = {
             volume=2.0,
         ),
         vad_analyzer=SileroVADAnalyzer(params=VADParams(stop_secs=0.2)),
-        turn_analyzer=LocalSmartTurnAnalyzerV3(params=SmartTurnParams()),
     ),
     "twilio": lambda: FastAPIWebsocketParams(
         audio_in_enabled=True,
@@ -61,7 +61,6 @@ transport_params = {
             volume=2.0,
         ),
         vad_analyzer=SileroVADAnalyzer(params=VADParams(stop_secs=0.2)),
-        turn_analyzer=LocalSmartTurnAnalyzerV3(params=SmartTurnParams()),
     ),
     "webrtc": lambda: TransportParams(
         audio_in_enabled=True,
@@ -72,7 +71,6 @@ transport_params = {
             volume=2.0,
         ),
         vad_analyzer=SileroVADAnalyzer(params=VADParams(stop_secs=0.2)),
-        turn_analyzer=LocalSmartTurnAnalyzerV3(params=SmartTurnParams()),
     ),
 }
 
@@ -114,6 +112,9 @@ async def run_bot(transport: BaseTransport, runner_args: RunnerArguments):
         params=PipelineParams(
             enable_metrics=True,
             enable_usage_metrics=True,
+            turn_start_strategies=TurnStartStrategies(
+                bot=[TurnAnalyzerBotTurnStartStrategy(turn_analyzer=LocalSmartTurnAnalyzerV3())]
+            ),
         ),
         idle_timeout_secs=runner_args.pipeline_idle_timeout_secs,
     )