code: def render_audio(self):
          
          segment = text_to_speech(self._text, self.synthesizer, self.synth_args, self.sentence_break)
  
          milli = len(segment)
          seconds = '{0:.1f}'.format(float(milli) / 1000 % 60).zfill(2)
          minutes = '{0:.0f}'.format((milli / (1000 * 60)) % 60).zfill(2)
          hours = '{0:.0f}'.format((milli / (1000 * 60 * 60)) % 24).zfill(2)
          self.duration = hours + ':' + minutes + ':' + seconds
  
          segment.export(self.link, format='mp3')
          self.length = os.path.getsize(self.link)
docs: Synthesize audio from the episode's text.