code: def getcomptype(self):
      if self._encoding == AUDIO_FILE_ENCODING_MULAW_8:
          return "ULAW"
      elif self._encoding == AUDIO_FILE_ENCODING_ALAW_8:
          return "ALAW"
      else:
          return "NONE"
  
imports: from collections import namedtuple
  import warnings
label_desc: Use image node_id 11 for calling the Au_read obj's underlying member method code with example usage: obj.getcomptype() and returns: str, str, str