code: def _serve_individual_audio(self, request):
      
      tag = request.args.get('tag')
      run = request.args.get('run')
      index = int(request.args.get('index'))
      sample = int(request.args.get('sample', 0))
      events = self._filter_by_sample(self._multiplexer.Tensors(run, tag), sample)
      data = tensor_util.make_ndarray(events[index].tensor_proto)[sample, 0]
      mime_type = self._get_mime_type(run, tag)
      return http_util.Respond(request, data, mime_type)
docs: Serve encoded audio data.