old_contents: import os
  
  SYNAPSE_PORTS = os.getenv('SYNAPSE_PORTS', '5555:5556').split(':')
  
  MUX_SINK = 'tcp://127.0.0.1:{}'.format(SYNAPSE_PORTS[0])
  MUX_SOURCE = 'tcp://127.0.0.1:{}'.format(SYNAPSE_PORTS[1])
  
  AUDIO_CHANNEL = 1
  AUDIO_RATE = 44100
  
  OPC_ADDR = 'localhost:7890'
  
new_contents: import os
  
  SYNAPSE_PORTS = os.getenv('SYNAPSE_PORTS', '5555:5556').split(':')
  
  MUX_SINK = 'tcp://127.0.0.1:{}'.format(SYNAPSE_PORTS[0])
  MUX_SOURCE = 'tcp://127.0.0.1:{}'.format(SYNAPSE_PORTS[1])
  
  AUDIO_CHANNEL = 1
  #AUDIO_RATE = 44100
  # for phoenix
  AUDIO_RATE = 16000
  
  OPC_ADDR = 'localhost:7890'
  
subject: update audio sample rate for Phoenix mic