1 | #define PYAUBIO_dct_doc \ |
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2 | "dct(size=1024)\n"\ |
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3 | "\n"\ |
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4 | "Compute Discrete Fourier Transforms of Type-II.\n"\ |
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5 | "\n"\ |
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6 | "Parameters\n"\ |
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7 | "----------\n"\ |
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8 | "size : int\n"\ |
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9 | " size of the DCT to compute\n"\ |
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10 | "\n"\ |
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11 | "Example\n"\ |
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12 | "-------\n"\ |
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13 | ">>> d = aubio.dct(16)\n"\ |
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14 | ">>> d.size\n"\ |
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15 | "16\n"\ |
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16 | ">>> x = aubio.fvec(np.ones(d.size))\n"\ |
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17 | ">>> d(x)\n"\ |
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18 | "array([4., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0.],\n"\ |
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19 | " dtype=float32)\n"\ |
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20 | ">>> d.rdo(d(x))\n"\ |
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21 | "array([1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1.],\n"\ |
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22 | " dtype=float32)\n"\ |
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23 | "\n"\ |
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24 | "References\n"\ |
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25 | "----------\n"\ |
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26 | "`DCT-II in Discrete Cosine Transform\n"\ |
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27 | "<https://en.wikipedia.org/wiki/Discrete_cosine_transform#DCT-II>`_\n"\ |
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28 | "on Wikipedia.\n" |
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29 | |
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30 | #define PYAUBIO_mfcc_doc \ |
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31 | "mfcc(buf_size=1024, n_filters=40, n_coeffs=13, samplerate=44100)\n"\ |
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32 | "\n"\ |
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33 | "Compute Mel Frequency Cepstrum Coefficients (MFCC).\n"\ |
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34 | "\n"\ |
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35 | "`mfcc` creates a callable which takes a `cvec` as input.\n"\ |
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36 | "\n"\ |
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37 | "If `n_filters = 40`, the filterbank will be initialized with\n"\ |
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38 | ":meth:`filterbank.set_mel_coeffs_slaney`. Otherwise, if `n_filters`\n"\ |
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39 | "is greater than `0`, it will be initialized with\n"\ |
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40 | ":meth:`filterbank.set_mel_coeffs` using `fmin = 0`,\n"\ |
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41 | "`fmax = samplerate/`.\n"\ |
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42 | "\n"\ |
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43 | "Example\n"\ |
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44 | "-------\n"\ |
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45 | ">>> buf_size = 2048; n_filters = 128; n_coeffs = 13; samplerate = 44100\n"\ |
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46 | ">>> mf = aubio.mfcc(buf_size, n_filters, n_coeffs, samplerate)\n"\ |
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47 | ">>> fftgrain = aubio.cvec(buf_size)\n"\ |
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48 | ">>> mf(fftgrain).shape\n"\ |
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49 | "(13,)\n"\ |
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50 | "" |
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51 | |
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52 | #define PYAUBIO_notes_doc \ |
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53 | "notes(method=\"default\", buf_size=1024, hop_size=512, samplerate=44100)\n"\ |
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54 | "\n"\ |
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55 | "Note detection\n" |
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56 | |
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57 | #define PYAUBIO_onset_doc \ |
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58 | "onset(method=\"default\", buf_size=1024, hop_size=512, samplerate=44100)\n"\ |
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59 | "\n"\ |
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60 | "Onset detection object. `method` should be one of method supported by\n"\ |
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61 | ":class:`specdesc`.\n" |
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62 | |
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63 | #define PYAUBIO_pitch_doc \ |
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64 | "pitch(method=\"default\", buf_size=1024, hop_size=512, samplerate=44100)\n"\ |
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65 | "\n"\ |
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66 | "Pitch detection.\n"\ |
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67 | "\n"\ |
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68 | "Supported methods: `yinfft`, `yin`, `yinfast`, `fcomb`, `mcomb`,\n"\ |
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69 | "`schmitt`, `specacf`, `default` (`yinfft`).\n" |
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70 | |
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71 | #define PYAUBIO_sampler_doc \ |
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72 | "sampler(hop_size=512, samplerate=44100)\n"\ |
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73 | "\n"\ |
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74 | "Sampler.\n" |
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75 | |
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76 | #define PYAUBIO_specdesc_doc \ |
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77 | "specdesc(method=\"default\", buf_size=1024)\n"\ |
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78 | "\n"\ |
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79 | "Spectral description functions. Creates a callable that takes a\n"\ |
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80 | ":class:`cvec` as input, typically created by :class:`pvoc` for\n"\ |
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81 | "overlap and windowing, and returns a single float.\n"\ |
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82 | "\n"\ |
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83 | "`method` can be any of the values listed below. If `default` is used\n"\ |
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84 | "the `hfc` function will be selected.\n"\ |
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85 | "\n"\ |
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86 | "Onset novelty functions:\n"\ |
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87 | "\n"\ |
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88 | "- `energy`: local energy,\n"\ |
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89 | "- `hfc`: high frequency content,\n"\ |
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90 | "- `complex`: complex domain,\n"\ |
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91 | "- `phase`: phase-based method,\n"\ |
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92 | "- `wphase`: weighted phase deviation,\n"\ |
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93 | "- `specdiff`: spectral difference,\n"\ |
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94 | "- `kl`: Kullback-Liebler,\n"\ |
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95 | "- `mkl`: modified Kullback-Liebler,\n"\ |
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96 | "- `specflux`: spectral flux.\n"\ |
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97 | "\n"\ |
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98 | "Spectral shape functions:\n"\ |
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99 | "\n"\ |
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100 | "- `centroid`: spectral centroid (barycenter of the norm vector),\n"\ |
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101 | "- `spread`: variance around centroid,\n"\ |
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102 | "- `skewness`: third order moment,\n"\ |
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103 | "- `kurtosis`: a measure of the flatness of the spectrum,\n"\ |
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104 | "- `slope`: decreasing rate of the amplitude,\n"\ |
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105 | "- `decrease`: perceptual based measurement of the decreasing rate,\n"\ |
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106 | "- `rolloff`: 95th energy percentile.\n"\ |
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107 | "\n"\ |
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108 | "Parameters\n"\ |
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109 | "----------\n"\ |
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110 | "method : str\n"\ |
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111 | " Onset novelty or spectral shape function.\n"\ |
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112 | "buf_size : int\n"\ |
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113 | " Length of the input frame.\n"\ |
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114 | "\n"\ |
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115 | "Example\n"\ |
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116 | "-------\n"\ |
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117 | ">>> win_s = 1024; hop_s = win_s // 2\n"\ |
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118 | ">>> pv = aubio.pvoc(win_s, hop_s)\n"\ |
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119 | ">>> sd = aubio.specdesc(\"mkl\", win_s)\n"\ |
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120 | ">>> sd(pv(aubio.fvec(hop_s))).shape\n"\ |
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121 | "(1,)\n"\ |
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122 | "\n"\ |
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123 | "References\n"\ |
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124 | "----------\n"\ |
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125 | "`Detailed description "\ |
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126 | "<https://aubio.org/doc/latest/specdesc_8h.html#details>`_ in\n"\ |
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127 | "`aubio API documentation <https://aubio.org/doc/latest/index.html>`_.\n"\ |
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128 | "" |
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129 | |
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130 | #define PYAUBIO_tempo_doc \ |
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131 | "tempo(method=\"default\", buf_size=1024, hop_size=512, samplerate=44100)\n"\ |
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132 | "\n"\ |
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133 | "Tempo detection and beat tracking.\n" |
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134 | |
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135 | #define PYAUBIO_tss_doc \ |
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136 | "tss(buf_size=1024, hop_size=512)\n"\ |
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137 | "\n"\ |
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138 | "Transient/Steady-state separation.\n" |
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139 | |
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140 | #define PYAUBIO_wavetable_doc \ |
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141 | "wavetable(samplerate=44100, hop_size=512)\n"\ |
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142 | "\n"\ |
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143 | "Wavetable synthesis.\n" |
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