code: def apply_cutoff(audio):
      if len(audio) < SAMPLERATE * 4:
          return audio
  
      lower = int(min(len(audio) / 4, SAMPLERATE * 0.2))
      upper = int(SAMPLERATE * 2)
      if upper - lower > 0.3 * len(audio):
          return audio
      return audio[random.randint(lower, upper) :]
  
file_path: espnet/egs2/reazonspeech/asr1/local/augment.py
imports: import getopt
  import glob
  import io
  import os
  import random
  import sys
  import librosa
  import numpy
  import soundfile
label_desc: Use image node_id 2 for calling a global function with example usage: apply_cutoff(audio) and returns: audio, audio, audio