code: def set_sound_mode_dict(self, sound_mode_dict):
          
          error_msg = ("Syntax of sound mode dictionary not valid, "
                       "use: OrderedDict([('COMMAND', ['VALUE1','VALUE2'])])")
          if isinstance(sound_mode_dict, dict):
              mode_list = list(sound_mode_dict.values())
              for sublist in mode_list:
                  if isinstance(sublist, list):
                      for element in sublist:
                          if not isinstance(element, str):
                              _LOGGER.error(error_msg)
                              return False
                  else:
                      _LOGGER.error(error_msg)
                      return False
          else:
              _LOGGER.error(error_msg)
              return False
          self._sound_mode_dict = sound_mode_dict
          self._sm_match_dict = self.construct_sm_match_dict()
          return True
docs: Set the matching dictionary used to match the raw sound mode.