code: def _hertz_to_mel(frequencies_hertz):
      return _MEL_HIGH_FREQUENCY_Q * torch.log(
          1.0 + (frequencies_hertz / _MEL_BREAK_FREQUENCY_HERTZ)
      )
  
file_path: audio/src/torchaudio/prototype/pipelines/_vggish/_vggish_impl.py
imports: import math
  import torch
label_desc: Use image node_id 5 for calling a global function with example usage: _hertz_to_mel(frequencies_hertz) and returns: unknown