code: def common_voice(root_path, meta_file):
      """Normalize the common voice meta data file to TTS format."""
      txt_file = os.path.join(root_path, meta_file)
      items = []
      with open(txt_file, "r") as ttf:
          for line in ttf:
              if line.startswith("client_id"):
                  continue
              cols = line.split("\t")
              text = cols[2]
              speaker_name = cols[0]
              wav_file = os.path.join(
                  root_path, "clips", cols[1].replace(".mp3", ".wav")
              )
              items.append([text, wav_file, "MCV_" + speaker_name])
      return items
  
imports: import os
  from glob import glob
  import re
  import sys
  from pathlib import Path
  from tqdm import tqdm
  from TTS.tts.utils.generic_utils import split_dataset
label_desc: Use image node_id 10 for calling a global function with example usage: common_voice(root_path, meta_file) and returns: items