code: def convert_mel_to_frequency(
      m: Union[float, np.array]
  ) -> Union[float, np.array]:
      """
      Convert m mels to hertz
      https://en.wikipedia.org/wiki/Mel_scale#History_and_other_formulas
      """
      return 700.0 * (10 ** (m / 2595.0) - 1.0)
  
file_path: audiomentations/audiomentations/core/utils.py
imports: import os
  from functools import lru_cache
  from pathlib import Path
  from typing import List, Union, Tuple
  import math
  import numpy
  from numpy.typing import NDArray
label_desc: Use image node_id 11 for calling a global function with example usage: convert_mel_to_frequency(m) and returns: unknown