code: def save2aud(filename, aud, sample_rate):
      os.makedirs(os.path.dirname(filename), exist_ok=True)
      torchaudio.save(filename, aud, sample_rate)
  
file_path: audio/examples/avsr/data_prep/utils.py
imports: import os
  import torchaudio
  import torchvision
label_desc: Use image node_id 6 for calling a global function with example usage: save2aud(filename, aud, sample_rate) without return types