code: def load_wav(file):
      sample = soundfile.read(file)[0].astype(np.float32)
      return sample, sample.shape[0]
  
imports: import json
  import pathlib
  import numpy
  import librosa
  import soundfile
label_desc: Use image node_id 2 for calling a global function with example usage: load_wav(file) and returns: sample,  sample