code: def mel_scale_scalar(freq: float) -> float:
      return 1127.0 * math.log(1.0 + freq / 700.0)
  
imports: import math
  from typing import Tuple
  import torch
  import torchaudio
  from torch import Tensor
label_desc: Use image node_id 12 for calling a global function with example usage: mel_scale_scalar(freq) and returns: unknown