(frequencies_hertz)
return _MEL_HIGH_FREQUENCY_Q * np.log(
      1.0 + (np.array(frequencies_hertz) / _MEL_BREAK_FREQUENCY_HERTZ))
Converts frequencies in `frequencies_hertz` in Hertz to the mel scale.
Converts frequencies in `frequencies_hertz` in Hertz to the mel scale.
Converts frequencies in frequencies_hertz in Hertz to the mel scale .
def hertz_to_mel(frequencies_hertz):
  """Converts frequencies in `frequencies_hertz` in Hertz to the mel scale."""
  return _MEL_HIGH_FREQUENCY_Q * np.log(
      1.0 + (np.array(frequencies_hertz) / _MEL_BREAK_FREQUENCY_HERTZ))
def hertz_to_mel ( frequencies_hertz ) : return _MEL_HIGH_FREQUENCY_Q * np . log ( 1.0 + ( np . array ( frequencies_hertz ) / _MEL_BREAK_FREQUENCY_HERTZ ) )