Changeset edd3dac
- Timestamp:
- Nov 9, 2018, 5:32:31 PM (6 years ago)
- Branches:
- feature/autosink, feature/cnn, feature/cnn_org, feature/constantq, feature/crepe, feature/crepe_org, feature/pitchshift, feature/pydocstrings, feature/timestretch, fix/ffmpeg5, master
- Children:
- e33d960
- Parents:
- 98c712e
- File:
-
- 1 edited
Legend:
- Unmodified
- Added
- Removed
-
src/spectral/filterbank_mel.c
r98c712e redd3dac 55 55 } 56 56 57 if (freqs->data[freqs->length - 1] > samplerate / 2) { 58 AUBIO_WRN ("Nyquist frequency is %fHz, but highest frequency band ends at \ 59 %fHz\n", samplerate / 2, freqs->data[freqs->length - 1]); 57 for (fn = 0; fn < freqs->length; fn++) { 58 if (freqs->data[fn] < 0) { 59 AUBIO_ERR("filterbank_mel: freqs must contain only positive values.\n"); 60 return AUBIO_FAIL; 61 } else if (freqs->data[fn] > samplerate / 2) { 62 AUBIO_WRN("filterbank_mel: freqs should contain only " 63 "values > samplerate / 2.\n"); 64 } else if (fn > 0 && freqs->data[fn] < freqs->data[fn-1]) { 65 AUBIO_ERR("filterbank_mel: freqs should be a list of frequencies " 66 "sorted from low to high, but freq[%d] < freq[%d-1]\n", fn, fn); 67 return AUBIO_FAIL; 68 } 60 69 } 61 70 … … 92 101 /* zeroing of all filters */ 93 102 fmat_zeros (filters); 94 95 if (fft_freqs->data[1] >= lower_freqs->data[0]) {96 /* - 1 to make sure we don't miss the smallest power of two */97 uint_t min_win_s =98 (uint_t) FLOOR (samplerate / lower_freqs->data[0]) - 1;99 AUBIO_WRN ("Lowest frequency bin (%.2fHz) is higher than lowest frequency \100 band (%.2f-%.2fHz). Consider increasing the window size from %d to %d.\n",101 fft_freqs->data[1], lower_freqs->data[0],102 upper_freqs->data[0], (win_s - 1) * 2,103 aubio_next_power_of_two (min_win_s));104 }105 103 106 104 /* building each filter table */ … … 161 159 del_fvec (fft_freqs); 162 160 163 return 0;161 return AUBIO_OK; 164 162 } 165 163
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