code: def _get_chunks(seg_dur, audio_id, audio_duration):
      """
      Returns list of chunks
      """
      num_chunks = int(audio_duration / seg_dur)  # all in milliseconds
  
      chunk_lst = [
          audio_id
          + "_"
          + str(i * seg_dur)
          + "_"
          + str(i * seg_dur + seg_dur)
          for i in range(num_chunks)
      ]
  
      return chunk_lst
  
file_path: speechbrain/recipes/VoxCeleb/voxceleb_prepare.py
imports: import os
  import csv
  import logging
  import glob
  import random
  import shutil
  import sys
  import numpy
  import torch
  import torchaudio
  from tqdm.contrib import tqdm
  from speechbrain.dataio.dataio import load_pkl, save_pkl
label_desc: Use image node_id 5 for calling a global function with example usage: _get_chunks(seg_dur, audio_id, audio_duration) and returns: chunk_lst