code: def main():
      parser = get_parser()
      args = parser.parse_args()
  
      sys.path.append(args.rvad_home)
      import speechproc
  
      stride = 160
      lines = sys.stdin.readlines()
      root = lines[0].rstrip()
      for fpath in tqdm(lines[1:]):
          path = osp.join(root, fpath.split()[0])
          vads, wav = rvad(speechproc, path)
  
          start = None
          vad_segs = []
          for i, v in enumerate(vads):
              if start is None and v == 1:
                  start = i * stride
              elif start is not None and v == 0:
                  vad_segs.append((start, i * stride))
                  start = None
          if start is not None:
              vad_segs.append((start, len(wav)))
  
          print(" ".join(f"{v[0]}:{v[1]}" for v in vad_segs))
  
file_path: fairseq/examples/wav2vec/unsupervised/scripts/vads.py
imports: import argparse
  import sys
  from copy import deepcopy
  from scipy.signal import lfilter
  import numpy
  from tqdm import tqdm
  import soundfile
  import os.path
label_desc: Use image node_id 3 for calling a global function with example usage: main() without return types