code: def audio_stream_capture(self, httptype=None,
                               channel=None, path_file=None):
          
          if httptype is None and channel is None:
              raise RuntimeError("Requires htttype and channel")
  
          ret = self.command(
              'audio.cgi?action=getAudio&httptype={0}&channel={1}'.format(
                  httptype, channel))
  
          if path_file:
              with open(path_file, 'wb') as out_file:
                  shutil.copyfileobj(ret.raw, out_file)
  
          return ret.raw
docs: Params:
  
              path_file - path to output file
              channel: - integer
              httptype - type string (singlepart or multipart)
  
                  singlepart: HTTP content is a continuos flow of audio packets
                  multipart: HTTP content type is multipart/x-mixed-replace, and
                             each audio packet ends with a boundary string