class_docstr: Utils which encode/decode audios.
class_docstr_tok: ["Utils","which","encode\/decode","audios","."]
docstr: Decode audio from the loaded tf-example.
docstr_tok: ["Decode","audio","from","the","loaded","tf-example","."]
code: def decode_audio(self, audio_tensor: tf.Tensor) -> tf.Tensor:
      """Decode audio from the loaded tf-example."""
      raise NotImplementedError
  
imports: from __future__ import annotations
  import abc
  import enum
  import functools
  import io
  import os
  from typing import BinaryIO, Optional, Union
  import wave
  from absl import logging
  from etils import epath
  import numpy
  from tensorflow_datasets.core import lazy_imports_lib
  from tensorflow_datasets.core import utils
  from tensorflow_datasets.core.features import feature
  from tensorflow_datasets.core.features import tensor_feature
  from tensorflow_datasets.core.proto import feature_pb2
  from tensorflow_datasets.core.utils import type_utils
  from tensorflow_datasets.core.utils.lazy_imports_utils import tensorflow
label_desc: Use image node_id 3 for calling the _AudioDecoder obj's underlying member method code with example usage: obj.decode_audio(audio_tensor) without return types