set use_blocking_speaker_output to true (vocodedev#323)

Author: ajar98

quickstarts/streaming_conversation.py

@@ -29,6 +29,7 @@ async def main():
  ) = create_streaming_microphone_input_and_speaker_output(
  use_default_devices=False,
  logger=logger,
+ use_blocking_speaker_output=True, # this moves the playback to a separate thread, set to False to use the main thread
  )
 
  conversation = StreamingConversation(