code: def main(args):
      # Get aishell1 root path
      aishell1_dir = args.aishell1_dir
      wham_dir = args.wham_dir
      # Get Metadata directory
      metadata_dir = args.metadata_dir
      # Get aishell1mix root path
      aishell1mix_outdir = args.aishell1mix_outdir
      n_src = args.n_src
      if aishell1mix_outdir is None:
          aishell1mix_outdir = os.path.dirname(metadata_dir)
      aishell1mix_outdir = os.path.join(
          aishell1mix_outdir, f"Aishell1Mix{n_src}"
      )
      # Get the desired frequencies
      freqs = args.freqs
      freqs = [freq.lower() for freq in freqs]
      # Get the desired modes
      modes = args.modes
      modes = [mode.lower() for mode in modes]
      types = args.types
      types = [t.lower() for t in types]
      # Get the number of sources
      create_aishell1mix(
          aishell1_dir,
          wham_dir,
          aishell1mix_outdir,
          metadata_dir,
          freqs,
          n_src,
          modes,
          types,
      )
  
imports: import os
  import argparse
  import soundfile
  import pandas
  import numpy
  import functools
  from scipy.signal import resample_poly
  import tqdm.contrib.concurrent
  import glob
  import shutil
label_desc: Use image node_id 1 for calling a global function with example usage: main(args) without return types