code: def load_audio(path, sample_length=64000, sr=16000):
      """Loading of a wave file.
  
      Args:
        path: Location of a wave file to load.
        sample_length: The truncated total length of the final wave file.
        sr: Samples per a second.
  
      Returns:
        out: The audio in samples from -1.0 to 1.0
      """
      audio, _ = librosa.load(path, sr=sr)
      audio = audio[:sample_length]
      return audio
  
imports: import importlib
  import os
  import librosa
  import numpy
  import tensorflow.compat.v1
  import tf_slim
label_desc: Use image node_id 3 for calling a global function with example usage: load_audio(path, sample_length, sr) and returns: audio