aubio_meltohz_htk method

double aubio_meltohz_htk(
  1. double mel
)

convert mel to frequency (Hz)

\param mel input mel

\return output frequency, in Hz

Converts a scalar from the mel scale to the frequency domain, using the equation defined by O'Shaughnessy, as implemented in the HTK speech recognition toolkit:

\f$ f = 700 * {e}^\left(\frac{f}{1127} - 1\right) \f$

See also

aubio_hztomel_htk(), aubio_meltohz().

Implementation

double aubio_meltohz_htk(
  double mel,
) {
  return _aubio_meltohz_htk(
    mel,
  );
}