code: def inverse_mel_scale_scalar(mel_freq: float) -> float:
      return 700.0 * (math.exp(mel_freq / 1127.0) - 1.0)
  
imports: import math
  from typing import Tuple
  import torch
  import torchaudio
  from torch import Tensor
label_desc: Use image node_id 10 for calling a global function with example usage: inverse_mel_scale_scalar(mel_freq) and returns: unknown