code: def get_random_wav_c2(
      channels=2, duration=_AUDIO_DURATION, sample=_SAMPLE_RATE
  ):
      """Returns path to WAV audio having channels = 2."""
      audio = get_random_audio(duration, sample).reshape(-1, channels)
      wav = tf.audio.encode_wav(audio, sample)
      with utils.nogpu_session() as sess:
          res = sess.run(wav)
      with tempfile.NamedTemporaryFile(
          delete=False, mode="wb", suffix=".wav"
      ) as f:
          f.write(res)
      return f.name
  
file_path: datasets/tensorflow_datasets/testing/fake_data_utils.py
imports: import random
  import tempfile
  import numpy
  from tensorflow_datasets.core import utils
  from tensorflow_datasets.core.utils.lazy_imports_utils import tensorflow
label_desc: Use image node_id 6 for calling a global function with example usage: get_random_wav_c2(channels, duration, sample) and returns: f