code: def is_16bit_wav(file_path):
      """Check if the WAV file is 16-bit."""
      try:
          with wave.open(file_path, "rb") as wav_file:
              sample_width = wav_file.getsampwidth()
              return sample_width == 2
      except Exception as e:
          return False
  
imports: import argparse
  import glob
  import logging
  import os
  import re
  import shutil
  import subprocess
  import wave
  from typing import List, TextIO, Tuple
  import miditoolkit
  import numpy
  from local.pinyin_dict import PINYIN_DICT
  from tqdm import tqdm
  from espnet2.fileio.score_scp import SingingScoreWriter
label_desc: Use image node_id 5 for calling a global function with example usage: is_16bit_wav(file_path) and returns: unknown, False