 Timestamp:
 Nov 17, 2018, 2:55:41 PM (20 months ago)
 Branches:
 feature/autosink, feature/constantq, feature/pitchshift, feature/pydocstrings, feature/timestretch, master
 Children:
 d8eedfa
 Parents:
 517630f
 Location:
 src/spectral
 Files:

 2 edited
Legend:
 Unmodified
 Added
 Removed

src/spectral/mfcc.c
r517630f r10fafc2 175 175 freq_min, freq_max); 176 176 } 177 178 uint_t aubio_mfcc_set_mel_coeffs_slaney (aubio_mfcc_t *mf, smpl_t freq_min, 179 smpl_t freq_max) 180 { 181 return aubio_filterbank_set_mel_coeffs_slaney (mf>fb, mf>samplerate); 182 } 
src/spectral/mfcc.h
r517630f r10fafc2 74 74 void aubio_mfcc_do (aubio_mfcc_t * mf, const cvec_t * in, fvec_t * out); 75 75 76 /** set power parameter 77 78 \param mf mfcc object, as returned by new_aubio_mfcc() 79 \param power Raise norm of the input spectrum norm to this power before 80 computing filterbank. Defaults to `1`. 81 82 See aubio_filterbank_set_power(). 83 84 */ 76 85 uint_t aubio_mfcc_set_power (aubio_mfcc_t *mf, smpl_t power); 86 87 /** get power parameter 88 89 \param mf mfcc object, as returned by new_aubio_mfcc() 90 \return current power parameter. Defaults to `1`. 91 92 See aubio_filterbank_get_power(). 93 94 */ 77 95 uint_t aubio_mfcc_get_power (aubio_mfcc_t *mf); 78 96 79 uint_t aubio_mfcc_set_mel_coeffs (aubio_mfcc_t *mf, smpl_t freq_min, 80 smpl_t freq_max); 81 uint_t aubio_mfcc_set_mel_coeffs_htk (aubio_mfcc_t *mf, smpl_t freq_min, 82 smpl_t freq_max); 83 uint_t aubio_mfcc_set_mel_coeffs_slaney (aubio_mfcc_t *mf); 97 uint_t aubio_mfcc_set_scale (aubio_mfcc_t *mf, smpl_t scale); 98 uint_t aubio_mfcc_get_scale (aubio_mfcc_t *mf); 99 100 /** Mel filterbank initialization 101 102 \param mf mfcc object 103 \param fmin start frequency, in Hz 104 \param fmax end frequency, in Hz 105 106 The filterbank will be initialized with bands linearly spaced in the mel 107 scale, from `fmin` to `fmax`. 108 109 See also 110  111 112 aubio_filterbank_set_mel_coeffs() 113 114 */ 115 uint_t aubio_mfcc_set_mel_coeffs (aubio_mfcc_t *mf, 116 smpl_t fmin, smpl_t fmax); 117 118 /** Mel filterbank initialization 119 120 \param mf mfcc object 121 \param fmin start frequency, in Hz 122 \param fmax end frequency, in Hz 123 124 The bank of filters will be initalized to to cover linearly spaced bands in 125 the Htk mel scale, from `fmin` to `fmax`. 126 127 See also 128  129 130 aubio_filterbank_set_mel_coeffs_htk() 131 132 */ 133 uint_t aubio_mfcc_set_mel_coeffs_htk (aubio_mfcc_t *mf, 134 smpl_t fmin, smpl_t fmax); 135 136 /** Mel filterbank initialization (Auditory Toolbox's parameters) 137 138 \param mf mfcc object 139 \param samplerate audio sampling rate, in Hz 140 141 The filter coefficients are built to match exactly Malcolm Slaney's Auditory 142 Toolbox implementation. The number of filters should be 40. 143 144 This is the default filterbank when `mf` was created with `n_filters = 40`. 145 146 See also 147  148 149 aubio_filterbank_set_mel_coeffs_slaney() 150 151 */ 152 uint_t aubio_mfcc_set_mel_coeffs_slaney (aubio_mfcc_t *mf, smpl_t samplerate); 84 153 85 154 #ifdef __cplusplus
Note: See TracChangeset
for help on using the changeset viewer.