code: def get_irms(stft_clean, stft_noise):
      mag_clean = stft_clean.abs() ** 2
      mag_noise = stft_noise.abs() ** 2
      irm_speech = mag_clean / (mag_clean + mag_noise)
      irm_noise = mag_noise / (mag_clean + mag_noise)
      return irm_speech[REFERENCE_CHANNEL], irm_noise[REFERENCE_CHANNEL]
  
file_path: audio/examples/tutorials/mvdr_tutorial.py
imports: import torch
  import torchaudio
  import torchaudio.functional
  import matplotlib.pyplot
  import mir_eval
  from IPython.display import Audio
  from pesq import pesq
  from pystoi import stoi
  from torchaudio.utils import download_asset
label_desc: Use image node_id 6 for calling a global function with example usage: get_irms(stft_clean, stft_noise) and returns: irm_speech,  irm_noise