code: def get_out_dir_name(out_dir, input_name, noise_name, snr):
      return os.path.join(
          out_dir, input_name, noise_name + "_" + str(snr) + "db"
      )
  
file_path: NeMo/scripts/dataset_processing/add_noise.py
imports: import argparse
  import copy
  import json
  import multiprocessing
  import os
  import random
  import numpy
  import soundfile
  from nemo.collections.asr.parts.preprocessing.perturb import NoisePerturbation
  from nemo.collections.asr.parts.preprocessing.segment import AudioSegment
label_desc: Use image node_id 1 for calling a global function with example usage: get_out_dir_name(out_dir, input_name, noise_name, snr) and returns: os