diff options
Diffstat (limited to 'xtract/xtract_scalar.h')
| -rw-r--r-- | xtract/xtract_scalar.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/xtract/xtract_scalar.h b/xtract/xtract_scalar.h index 3853e66..7d5d752 100644 --- a/xtract/xtract_scalar.h +++ b/xtract/xtract_scalar.h @@ -416,6 +416,21 @@ int xtract_f0(const double *data, const int N, const void *argv, double *result) */ int xtract_failsafe_f0(const double *data, const int N, const void *argv, double *result); +/** \brief Extract the fundamental frequency of an input vector using wavelet-based method + * + * \param *data: a pointer to the first element in an array of doubles representing an audio vector + * \param N: the number of elements to be considered + * \param *argv: a pointer to a double representing the audio sample rate + * \param *result: the pitch of N values from the array pointed to by *data + * + * This function uses the time-domain wavelet-based method described in Larson and Maddox (2005) and + * implemented in the dywapitchtrack library + * + * xtract_init_wavelet_f0_state() must be called exactly once prior to calling xtract_wavelet_f0() + * + */ +int xtract_wavelet_f0(const double *data, const int N, const void *argv, double *result); + /** \brief Extract the number of non-zero elements in an input vector * * \param *data: a pointer to the first element in an array of doubles |