code: def save_wav(data, filename, rate=framerate):
      assert data.dtype == np.int16, data.dtype
      wavfile.write(filename, rate, data)
  
file_path: delta/egs/iemocap/emo/v1/local/python/dump_data_from_pickle.py
imports: import os
  import sys
  import random
  import numpy
  import pickle
  import copy
  import wave
  from scipy.io import wavfile
  from dump_all_data import gen_all_data
  from helper import *
  import kaldiio
label_desc: Use image node_id 1 for calling a global function with example usage: save_wav(data, filename, rate) without return types