<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <meta http-equiv="X-UA-Compatible" content="IE=9"/> <meta name="generator" content="Doxygen 1.8.13"/> <meta name="viewport" content="width=device-width, initial-scale=1"/> <title>aubio: onset/onset.h Source File</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript" src="dynsections.js"></script> <link href="search/search.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="search/searchdata.js"></script> <script type="text/javascript" src="search/search.js"></script> <script type="text/x-mathjax-config"> MathJax.Hub.Config({ extensions: ["tex2jax.js"], jax: ["input/TeX","output/HTML-CSS"], }); </script><script type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js"></script> <link href="doxygen.css" rel="stylesheet" type="text/css" /> </head> <body> <div id="top"><!-- do not remove this div, it is closed by doxygen! --> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td id="projectalign" style="padding-left: 0.5em;"> <div id="projectname">aubio  <span id="projectnumber">0.4.2~alpha</span> </div> </td> </tr> </tbody> </table> </div> <!-- end header part --> <!-- Generated by Doxygen 1.8.13 --> <script type="text/javascript"> var searchBox = new SearchBox("searchBox", "search",false,'Search'); </script> <script type="text/javascript" src="menudata.js"></script> <script type="text/javascript" src="menu.js"></script> <script type="text/javascript"> $(function() { initMenu('',true,false,'search.php','Search'); $(document).ready(function() { init_search(); }); }); </script> <div id="main-nav"></div> <!-- window showing the filter options --> <div id="MSearchSelectWindow" onmouseover="return searchBox.OnSearchSelectShow()" onmouseout="return searchBox.OnSearchSelectHide()" onkeydown="return searchBox.OnSearchSelectKey(event)"> </div> <!-- iframe showing the search results (closed by default) --> <div id="MSearchResultsWindow"> <iframe src="javascript:void(0)" frameborder="0" name="MSearchResults" id="MSearchResults"> </iframe> </div> <div id="nav-path" class="navpath"> <ul> <li class="navelem"><a class="el" href="dir_24909bf68f95b02474c7cd396a6ea1b7.html">onset</a></li> </ul> </div> </div><!-- top --> <div class="header"> <div class="headertitle"> <div class="title">onset.h</div> </div> </div><!--header--> <div class="contents"> <a href="onset_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> Copyright (C) 2006-2013 Paul Brossier <piem@aubio.org></span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"></span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> This file is part of aubio.</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"></span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> aubio is free software: you can redistribute it and/or modify</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> it under the terms of the GNU General Public License as published by</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> the Free Software Foundation, either version 3 of the License, or</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> (at your option) any later version.</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"></span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> aubio is distributed in the hope that it will be useful,</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> GNU General Public License for more details.</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"></span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> You should have received a copy of the GNU General Public License</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> along with aubio. If not, see <http://www.gnu.org/licenses/>.</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"></span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment">*/</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"></span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment">/** \file</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment"></span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment"> Onset detection object</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment"></span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment"> The following routines compute the onset detection function and detect peaks</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment"> in these functions. When onsets are found above a given silence threshold,</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment"> and after a minimum inter-onset interval, the output vector returned by</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment"> aubio_onset_do() is filled with `1`. Otherwise, the output vector remains</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment"> `0`.</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment"></span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment"> The peak-picking threshold, the silence threshold, and the minimum</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment"> inter-onset interval can be adjusted during the execution of the</span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment"> aubio_onset_do routine using the corresponding functions.</span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="comment"></span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="comment"> \example onset/test-onset.c</span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="comment"> \example examples/aubioonset.c</span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="comment"> \example examples/aubionotes.c</span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment"></span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment">*/</span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> </div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> </div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="preprocessor">#ifndef _AUBIO_ONSET_H</span></div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="preprocessor">#define _AUBIO_ONSET_H</span></div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> </div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="preprocessor">#ifdef __cplusplus</span></div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="keyword">extern</span> <span class="stringliteral">"C"</span> {</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="comment"></span></div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="comment">/** onset detection object */</span></div><div class="line"><a name="l00050"></a><span class="lineno"><a class="line" href="onset_8h.html#aab9be831df71952f95d3685f86fce281"> 50</a></span> <span class="keyword">typedef</span> <span class="keyword">struct </span>_aubio_onset_t <a class="code" href="onset_8h.html#aab9be831df71952f95d3685f86fce281">aubio_onset_t</a>;</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="comment"></span></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="comment">/** create onset detection object</span></div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="comment"></span></div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="comment"> \param method onset detection type as specified in specdesc.h</span></div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="comment"> \param buf_size buffer size for phase vocoder</span></div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="comment"> \param hop_size hop size for phase vocoder</span></div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="comment"> \param samplerate sampling rate of the input signal</span></div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="comment"></span></div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="comment"> \return newly created ::aubio_onset_t</span></div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="comment"></span></div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="comment">*/</span></div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <a class="code" href="onset_8h.html#aab9be831df71952f95d3685f86fce281">aubio_onset_t</a> * <a class="code" href="onset_8h.html#a00512092dd9dde0cdf0cf73b9109c149">new_aubio_onset</a> (<a class="code" href="types_8h.html#a40bb5262bf908c328fbcfbe5d29d0201">char_t</a> * method,</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <a class="code" href="types_8h.html#a12a1e9b3ce141648783a82445d02b58d">uint_t</a> buf_size, <a class="code" href="types_8h.html#a12a1e9b3ce141648783a82445d02b58d">uint_t</a> hop_size, <a class="code" href="types_8h.html#a12a1e9b3ce141648783a82445d02b58d">uint_t</a> samplerate);</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="comment"></span></div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="comment">/** execute onset detection</span></div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="comment"></span></div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="comment"> \param o onset detection object as returned by new_aubio_onset()</span></div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="comment"> \param input new audio vector of length hop_size</span></div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="comment"> \param onset output vector of length 1, containing 0 if no onset was found,</span></div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="comment"> and a value equal or greater than 1 otherwise</span></div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="comment"></span></div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="comment"> When no onset was detected, the first element of the output vector `onset`</span></div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="comment"> is set to 0.</span></div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="comment"></span></div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="comment"> When an onset is found, the first element of the output vector `onset` is set</span></div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="comment"> to `offset = 1 + a` where `a` is a number in the range`[0, 1]`.</span></div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="comment"></span></div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="comment"> The final onset detection time, in samples, can be obtained with</span></div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="comment"> aubio_onset_get_last(). It can also be derived from `offset` as</span></div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span> <span class="comment"> follows:</span></div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span> <span class="comment"></span></div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <span class="comment"> \code</span></div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="comment"> t = total_frames + offset * hop_size - delay</span></div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span> <span class="comment"> \endcode</span></div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span> <span class="comment"></span></div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span> <span class="comment"> where `total_frames` is the total number of frames processed so far, and</span></div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span> <span class="comment"> `delay` is the current delay of the onset object, as returned by</span></div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span> <span class="comment"> aubio_onset_get_delay().</span></div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <span class="comment"></span></div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span> <span class="comment">*/</span></div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span> <span class="keywordtype">void</span> <a class="code" href="onset_8h.html#aa38ddf8ec5fd506a870567fbe73c03d5">aubio_onset_do</a> (<a class="code" href="onset_8h.html#aab9be831df71952f95d3685f86fce281">aubio_onset_t</a> *o, <a class="code" href="structfvec__t.html">fvec_t</a> * input, <a class="code" href="structfvec__t.html">fvec_t</a> * onset);</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span> <span class="comment"></span></div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span> <span class="comment">/** get the time of the latest onset detected, in samples</span></div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span> <span class="comment"></span></div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span> <span class="comment"> \param o onset detection object as returned by new_aubio_onset()</span></div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span> <span class="comment"></span></div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span> <span class="comment"> \return onset detection timestamps (in samples)</span></div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span> <span class="comment"></span></div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span> <span class="comment">*/</span></div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span> <a class="code" href="types_8h.html#a12a1e9b3ce141648783a82445d02b58d">uint_t</a> <a class="code" href="onset_8h.html#acb14475eeebafc3e003357def3c7b950">aubio_onset_get_last</a> (<a class="code" href="onset_8h.html#aab9be831df71952f95d3685f86fce281">aubio_onset_t</a> *o);</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span> <span class="comment"></span></div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="comment">/** get the time of the latest onset detected, in seconds</span></div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="comment"></span></div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span> <span class="comment"> \param o onset detection object as returned by new_aubio_onset()</span></div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span> <span class="comment"></span></div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="comment"> \return onset detection timestamps (in seconds)</span></div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span> <span class="comment"></span></div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span> <span class="comment">*/</span></div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span> <a class="code" href="types_8h.html#a5d7119468d78a1dc35cf76d0adfb1436">smpl_t</a> <a class="code" href="onset_8h.html#a782475758a25edee352983c73d1e5e67">aubio_onset_get_last_s</a> (<a class="code" href="onset_8h.html#aab9be831df71952f95d3685f86fce281">aubio_onset_t</a> *o);</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span> <span class="comment"></span></div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span> <span class="comment">/** get the time of the latest onset detected, in milliseconds</span></div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span> <span class="comment"></span></div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span> <span class="comment"> \param o onset detection object as returned by new_aubio_onset()</span></div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span> <span class="comment"></span></div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span> <span class="comment"> \return onset detection timestamps (in milliseconds)</span></div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span> <span class="comment"></span></div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span> <span class="comment">*/</span></div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span> <a class="code" href="types_8h.html#a5d7119468d78a1dc35cf76d0adfb1436">smpl_t</a> <a class="code" href="onset_8h.html#a330dcf693049239d81478737111cb958">aubio_onset_get_last_ms</a> (<a class="code" href="onset_8h.html#aab9be831df71952f95d3685f86fce281">aubio_onset_t</a> *o);</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span> <span class="comment"></span></div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span> <span class="comment">/** set onset detection silence threshold</span></div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span> <span class="comment"></span></div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span> <span class="comment"> \param o onset detection object as returned by new_aubio_onset()</span></div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span> <span class="comment"> \param silence new silence detection threshold</span></div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span> <span class="comment"></span></div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span> <span class="comment">*/</span></div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span> <a class="code" href="types_8h.html#a12a1e9b3ce141648783a82445d02b58d">uint_t</a> <a class="code" href="onset_8h.html#abe4dcfe0267da0d2a1eca8f0b5acd260">aubio_onset_set_silence</a>(<a class="code" href="onset_8h.html#aab9be831df71952f95d3685f86fce281">aubio_onset_t</a> * o, <a class="code" href="types_8h.html#a5d7119468d78a1dc35cf76d0adfb1436">smpl_t</a> silence);</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span> <span class="comment"></span></div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span> <span class="comment">/** get onset detection silence threshold</span></div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span> <span class="comment"></span></div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span> <span class="comment"> \param o onset detection object as returned by new_aubio_onset()</span></div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span> <span class="comment"></span></div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span> <span class="comment"> \return current silence threshold</span></div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span> <span class="comment"></span></div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span> <span class="comment">*/</span></div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span> <a class="code" href="types_8h.html#a5d7119468d78a1dc35cf76d0adfb1436">smpl_t</a> <a class="code" href="onset_8h.html#a7a9547f6ec9a17c6b0e4b49fe0812726">aubio_onset_get_silence</a>(<a class="code" href="onset_8h.html#aab9be831df71952f95d3685f86fce281">aubio_onset_t</a> * o);</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span> <span class="comment"></span></div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span> <span class="comment">/** get onset detection function</span></div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span> <span class="comment"></span></div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span> <span class="comment"> \param o onset detection object as returned by new_aubio_onset()</span></div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span> <span class="comment"> \return the current value of the descriptor</span></div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span> <span class="comment"></span></div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span> <span class="comment">*/</span></div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span> <a class="code" href="types_8h.html#a5d7119468d78a1dc35cf76d0adfb1436">smpl_t</a> <a class="code" href="onset_8h.html#a8a1bb8ed948dd024b579085ad99a1fa2">aubio_onset_get_descriptor</a> ( <a class="code" href="onset_8h.html#aab9be831df71952f95d3685f86fce281">aubio_onset_t</a> *o);</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span> <span class="comment"></span></div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span> <span class="comment">/** get thresholded onset detection function</span></div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span> <span class="comment"></span></div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span> <span class="comment"> \param o onset detection object as returned by new_aubio_onset()</span></div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span> <span class="comment"> \return the value of the thresholded descriptor</span></div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span> <span class="comment"></span></div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span> <span class="comment">*/</span></div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span> <a class="code" href="types_8h.html#a5d7119468d78a1dc35cf76d0adfb1436">smpl_t</a> <a class="code" href="onset_8h.html#a3cceff51d083bfd7e98c8f04ce840a8c">aubio_onset_get_thresholded_descriptor</a> ( <a class="code" href="onset_8h.html#aab9be831df71952f95d3685f86fce281">aubio_onset_t</a> *o);</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span> <span class="comment"></span></div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span> <span class="comment">/** set onset detection peak picking threshold</span></div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span> <span class="comment"></span></div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span> <span class="comment"> \param o onset detection object as returned by new_aubio_onset()</span></div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span> <span class="comment"> \param threshold new peak-picking threshold</span></div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span> <span class="comment"></span></div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span> <span class="comment">*/</span></div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span> <a class="code" href="types_8h.html#a12a1e9b3ce141648783a82445d02b58d">uint_t</a> <a class="code" href="onset_8h.html#a1e76a2deb5bce2f491bbee5e5707ef4a">aubio_onset_set_threshold</a>(<a class="code" href="onset_8h.html#aab9be831df71952f95d3685f86fce281">aubio_onset_t</a> * o, <a class="code" href="types_8h.html#a5d7119468d78a1dc35cf76d0adfb1436">smpl_t</a> threshold);</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span> <span class="comment"></span></div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span> <span class="comment">/** set minimum inter onset interval in samples</span></div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span> <span class="comment"></span></div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span> <span class="comment"> \param o onset detection object as returned by new_aubio_onset()</span></div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span> <span class="comment"> \param minioi minimum interval between two consecutive onsets (in</span></div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span> <span class="comment"> samples)</span></div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span> <span class="comment"></span></div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span> <span class="comment">*/</span></div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span> <a class="code" href="types_8h.html#a12a1e9b3ce141648783a82445d02b58d">uint_t</a> <a class="code" href="onset_8h.html#ac1076a257679610f0184f54048f63d8e">aubio_onset_set_minioi</a>(<a class="code" href="onset_8h.html#aab9be831df71952f95d3685f86fce281">aubio_onset_t</a> * o, <a class="code" href="types_8h.html#a12a1e9b3ce141648783a82445d02b58d">uint_t</a> minioi);</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span> <span class="comment"></span></div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span> <span class="comment">/** set minimum inter onset interval in seconds</span></div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span> <span class="comment"></span></div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span> <span class="comment"> \param o onset detection object as returned by new_aubio_onset()</span></div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span> <span class="comment"> \param minioi minimum interval between two consecutive onsets (in</span></div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span> <span class="comment"> seconds)</span></div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span> <span class="comment"></span></div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span> <span class="comment">*/</span></div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span> <a class="code" href="types_8h.html#a12a1e9b3ce141648783a82445d02b58d">uint_t</a> <a class="code" href="onset_8h.html#ad1064e5c7be93f5470a457e3a05cadc3">aubio_onset_set_minioi_s</a>(<a class="code" href="onset_8h.html#aab9be831df71952f95d3685f86fce281">aubio_onset_t</a> * o, <a class="code" href="types_8h.html#a5d7119468d78a1dc35cf76d0adfb1436">smpl_t</a> minioi);</div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span> <span class="comment"></span></div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span> <span class="comment">/** set minimum inter onset interval in milliseconds</span></div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span> <span class="comment"></span></div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span> <span class="comment"> \param o onset detection object as returned by new_aubio_onset()</span></div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span> <span class="comment"> \param minioi minimum interval between two consecutive onsets (in</span></div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span> <span class="comment"> milliseconds)</span></div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span> <span class="comment"></span></div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span> <span class="comment">*/</span></div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span> <a class="code" href="types_8h.html#a12a1e9b3ce141648783a82445d02b58d">uint_t</a> <a class="code" href="onset_8h.html#a3384623b29e60a490a689c4ca84efd26">aubio_onset_set_minioi_ms</a>(<a class="code" href="onset_8h.html#aab9be831df71952f95d3685f86fce281">aubio_onset_t</a> * o, <a class="code" href="types_8h.html#a5d7119468d78a1dc35cf76d0adfb1436">smpl_t</a> minioi);</div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span> <span class="comment"></span></div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span> <span class="comment">/** set delay in samples</span></div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span> <span class="comment"></span></div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span> <span class="comment"> \param o onset detection object as returned by new_aubio_onset()</span></div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span> <span class="comment"> \param delay constant system delay to take back from detection time</span></div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span> <span class="comment"> (in samples)</span></div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span> <span class="comment"></span></div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span> <span class="comment">*/</span></div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span> <a class="code" href="types_8h.html#a12a1e9b3ce141648783a82445d02b58d">uint_t</a> <a class="code" href="onset_8h.html#ac9d999003443d04dc0f3a15aa0df7613">aubio_onset_set_delay</a>(<a class="code" href="onset_8h.html#aab9be831df71952f95d3685f86fce281">aubio_onset_t</a> * o, <a class="code" href="types_8h.html#a12a1e9b3ce141648783a82445d02b58d">uint_t</a> delay);</div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span> <span class="comment"></span></div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span> <span class="comment">/** set delay in seconds</span></div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span> <span class="comment"></span></div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span> <span class="comment"> \param o onset detection object as returned by new_aubio_onset()</span></div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span> <span class="comment"> \param delay constant system delay to take back from detection time</span></div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span> <span class="comment"> (in seconds)</span></div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span> <span class="comment"></span></div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span> <span class="comment">*/</span></div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span> <a class="code" href="types_8h.html#a12a1e9b3ce141648783a82445d02b58d">uint_t</a> <a class="code" href="onset_8h.html#ac85fa9a2c77bafe15fadc9cbd5885f9e">aubio_onset_set_delay_s</a>(<a class="code" href="onset_8h.html#aab9be831df71952f95d3685f86fce281">aubio_onset_t</a> * o, <a class="code" href="types_8h.html#a5d7119468d78a1dc35cf76d0adfb1436">smpl_t</a> delay);</div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span> <span class="comment"></span></div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span> <span class="comment">/** set delay in milliseconds</span></div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span> <span class="comment"></span></div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span> <span class="comment"> \param o onset detection object as returned by new_aubio_onset()</span></div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span> <span class="comment"> \param delay constant system delay to take back from detection time</span></div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span> <span class="comment"> (in milliseconds)</span></div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span> <span class="comment"></span></div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span> <span class="comment">*/</span></div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span> <a class="code" href="types_8h.html#a12a1e9b3ce141648783a82445d02b58d">uint_t</a> <a class="code" href="onset_8h.html#aaec5de47aa9888b70e5c649ec58a1ca2">aubio_onset_set_delay_ms</a>(<a class="code" href="onset_8h.html#aab9be831df71952f95d3685f86fce281">aubio_onset_t</a> * o, <a class="code" href="types_8h.html#a5d7119468d78a1dc35cf76d0adfb1436">smpl_t</a> delay);</div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span> <span class="comment"></span></div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span> <span class="comment">/** get minimum inter onset interval in samples</span></div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span> <span class="comment"></span></div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span> <span class="comment"> \param o onset detection object as returned by new_aubio_onset()</span></div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span> <span class="comment"> \return minimum interval between two consecutive onsets (in</span></div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span> <span class="comment"> samples)</span></div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span> <span class="comment"></span></div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span> <span class="comment">*/</span></div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span> <a class="code" href="types_8h.html#a12a1e9b3ce141648783a82445d02b58d">uint_t</a> <a class="code" href="onset_8h.html#ab2f09c9fd308772fd8b550324ccd6d09">aubio_onset_get_minioi</a>(<a class="code" href="onset_8h.html#aab9be831df71952f95d3685f86fce281">aubio_onset_t</a> * o);</div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span> <span class="comment"></span></div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span> <span class="comment">/** get minimum inter onset interval in seconds</span></div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span> <span class="comment"></span></div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span> <span class="comment"> \param o onset detection object as returned by new_aubio_onset()</span></div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span> <span class="comment"> \return minimum interval between two consecutive onsets (in</span></div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span> <span class="comment"> seconds)</span></div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span> <span class="comment"></span></div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span> <span class="comment">*/</span></div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span> <a class="code" href="types_8h.html#a5d7119468d78a1dc35cf76d0adfb1436">smpl_t</a> <a class="code" href="onset_8h.html#affcf54491aa890f1e6b97addad7bab01">aubio_onset_get_minioi_s</a>(<a class="code" href="onset_8h.html#aab9be831df71952f95d3685f86fce281">aubio_onset_t</a> * o);</div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span> <span class="comment"></span></div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span> <span class="comment">/** get minimum inter onset interval in milliseconds</span></div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span> <span class="comment"></span></div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span> <span class="comment"> \param o onset detection object as returned by new_aubio_onset()</span></div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span> <span class="comment"> \return minimum interval between two consecutive onsets (in</span></div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span> <span class="comment"> milliseconds)</span></div><div class="line"><a name="l00238"></a><span class="lineno"> 238</span> <span class="comment"></span></div><div class="line"><a name="l00239"></a><span class="lineno"> 239</span> <span class="comment">*/</span></div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span> <a class="code" href="types_8h.html#a5d7119468d78a1dc35cf76d0adfb1436">smpl_t</a> <a class="code" href="onset_8h.html#ae1c98c836ac7870d31fa23260d462ef2">aubio_onset_get_minioi_ms</a>(<a class="code" href="onset_8h.html#aab9be831df71952f95d3685f86fce281">aubio_onset_t</a> * o);</div><div class="line"><a name="l00241"></a><span class="lineno"> 241</span> <span class="comment"></span></div><div class="line"><a name="l00242"></a><span class="lineno"> 242</span> <span class="comment">/** get delay in samples</span></div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span> <span class="comment"></span></div><div class="line"><a name="l00244"></a><span class="lineno"> 244</span> <span class="comment"> \param o onset detection object as returned by new_aubio_onset()</span></div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span> <span class="comment"> \return constant system delay to take back from detection time</span></div><div class="line"><a name="l00246"></a><span class="lineno"> 246</span> <span class="comment"> (in samples)</span></div><div class="line"><a name="l00247"></a><span class="lineno"> 247</span> <span class="comment"></span></div><div class="line"><a name="l00248"></a><span class="lineno"> 248</span> <span class="comment">*/</span></div><div class="line"><a name="l00249"></a><span class="lineno"> 249</span> <a class="code" href="types_8h.html#a12a1e9b3ce141648783a82445d02b58d">uint_t</a> <a class="code" href="onset_8h.html#ab6c0066dd6c34a312e8eac242b9f720e">aubio_onset_get_delay</a>(<a class="code" href="onset_8h.html#aab9be831df71952f95d3685f86fce281">aubio_onset_t</a> * o);</div><div class="line"><a name="l00250"></a><span class="lineno"> 250</span> <span class="comment"></span></div><div class="line"><a name="l00251"></a><span class="lineno"> 251</span> <span class="comment">/** get delay in seconds</span></div><div class="line"><a name="l00252"></a><span class="lineno"> 252</span> <span class="comment"></span></div><div class="line"><a name="l00253"></a><span class="lineno"> 253</span> <span class="comment"> \param o onset detection object as returned by new_aubio_onset()</span></div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span> <span class="comment"> \return constant system delay to take back from detection time</span></div><div class="line"><a name="l00255"></a><span class="lineno"> 255</span> <span class="comment"> (in seconds)</span></div><div class="line"><a name="l00256"></a><span class="lineno"> 256</span> <span class="comment"></span></div><div class="line"><a name="l00257"></a><span class="lineno"> 257</span> <span class="comment">*/</span></div><div class="line"><a name="l00258"></a><span class="lineno"> 258</span> <a class="code" href="types_8h.html#a5d7119468d78a1dc35cf76d0adfb1436">smpl_t</a> <a class="code" href="onset_8h.html#a040705a87563aef518f79e7edeac7c1a">aubio_onset_get_delay_s</a>(<a class="code" href="onset_8h.html#aab9be831df71952f95d3685f86fce281">aubio_onset_t</a> * o);</div><div class="line"><a name="l00259"></a><span class="lineno"> 259</span> <span class="comment"></span></div><div class="line"><a name="l00260"></a><span class="lineno"> 260</span> <span class="comment">/** get delay in milliseconds</span></div><div class="line"><a name="l00261"></a><span class="lineno"> 261</span> <span class="comment"></span></div><div class="line"><a name="l00262"></a><span class="lineno"> 262</span> <span class="comment"> \param o onset detection object as returned by new_aubio_onset()</span></div><div class="line"><a name="l00263"></a><span class="lineno"> 263</span> <span class="comment"> \return constant system delay to take back from detection time</span></div><div class="line"><a name="l00264"></a><span class="lineno"> 264</span> <span class="comment"> (in milliseconds)</span></div><div class="line"><a name="l00265"></a><span class="lineno"> 265</span> <span class="comment"></span></div><div class="line"><a name="l00266"></a><span class="lineno"> 266</span> <span class="comment">*/</span></div><div class="line"><a name="l00267"></a><span class="lineno"> 267</span> <a class="code" href="types_8h.html#a5d7119468d78a1dc35cf76d0adfb1436">smpl_t</a> <a class="code" href="onset_8h.html#a97403356ccc5573bb5a886afbeca0878">aubio_onset_get_delay_ms</a>(<a class="code" href="onset_8h.html#aab9be831df71952f95d3685f86fce281">aubio_onset_t</a> * o);</div><div class="line"><a name="l00268"></a><span class="lineno"> 268</span> <span class="comment"></span></div><div class="line"><a name="l00269"></a><span class="lineno"> 269</span> <span class="comment">/** get onset peak picking threshold</span></div><div class="line"><a name="l00270"></a><span class="lineno"> 270</span> <span class="comment"></span></div><div class="line"><a name="l00271"></a><span class="lineno"> 271</span> <span class="comment"> \param o onset detection object as returned by new_aubio_onset()</span></div><div class="line"><a name="l00272"></a><span class="lineno"> 272</span> <span class="comment"> \return current onset detection threshold</span></div><div class="line"><a name="l00273"></a><span class="lineno"> 273</span> <span class="comment"></span></div><div class="line"><a name="l00274"></a><span class="lineno"> 274</span> <span class="comment">*/</span></div><div class="line"><a name="l00275"></a><span class="lineno"> 275</span> <a class="code" href="types_8h.html#a5d7119468d78a1dc35cf76d0adfb1436">smpl_t</a> <a class="code" href="onset_8h.html#ac3b4b75e6a76860754002ec310cd3add">aubio_onset_get_threshold</a>(<a class="code" href="onset_8h.html#aab9be831df71952f95d3685f86fce281">aubio_onset_t</a> * o);</div><div class="line"><a name="l00276"></a><span class="lineno"> 276</span> <span class="comment"></span></div><div class="line"><a name="l00277"></a><span class="lineno"> 277</span> <span class="comment">/** delete onset detection object</span></div><div class="line"><a name="l00278"></a><span class="lineno"> 278</span> <span class="comment"></span></div><div class="line"><a name="l00279"></a><span class="lineno"> 279</span> <span class="comment"> \param o onset detection object to delete</span></div><div class="line"><a name="l00280"></a><span class="lineno"> 280</span> <span class="comment"></span></div><div class="line"><a name="l00281"></a><span class="lineno"> 281</span> <span class="comment">*/</span></div><div class="line"><a name="l00282"></a><span class="lineno"> 282</span> <span class="keywordtype">void</span> <a class="code" href="onset_8h.html#a6a7358240fb7d8bcfee7733f96297c1b">del_aubio_onset</a>(<a class="code" href="onset_8h.html#aab9be831df71952f95d3685f86fce281">aubio_onset_t</a> * o);</div><div class="line"><a name="l00283"></a><span class="lineno"> 283</span> </div><div class="line"><a name="l00284"></a><span class="lineno"> 284</span> <span class="preprocessor">#ifdef __cplusplus</span></div><div class="line"><a name="l00285"></a><span class="lineno"> 285</span> }</div><div class="line"><a name="l00286"></a><span class="lineno"> 286</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00287"></a><span class="lineno"> 287</span> </div><div class="line"><a name="l00288"></a><span class="lineno"> 288</span> <span class="preprocessor">#endif </span><span class="comment">/* _AUBIO_ONSET_H */</span><span class="preprocessor"></span></div><div class="ttc" id="onset_8h_html_a3cceff51d083bfd7e98c8f04ce840a8c"><div class="ttname"><a href="onset_8h.html#a3cceff51d083bfd7e98c8f04ce840a8c">aubio_onset_get_thresholded_descriptor</a></div><div class="ttdeci">smpl_t aubio_onset_get_thresholded_descriptor(aubio_onset_t *o)</div><div class="ttdoc">get thresholded onset detection function </div></div> <div class="ttc" id="onset_8h_html_ac3b4b75e6a76860754002ec310cd3add"><div class="ttname"><a href="onset_8h.html#ac3b4b75e6a76860754002ec310cd3add">aubio_onset_get_threshold</a></div><div class="ttdeci">smpl_t aubio_onset_get_threshold(aubio_onset_t *o)</div><div class="ttdoc">get onset peak picking threshold </div></div> <div class="ttc" id="onset_8h_html_a330dcf693049239d81478737111cb958"><div class="ttname"><a href="onset_8h.html#a330dcf693049239d81478737111cb958">aubio_onset_get_last_ms</a></div><div class="ttdeci">smpl_t aubio_onset_get_last_ms(aubio_onset_t *o)</div><div class="ttdoc">get the time of the latest onset detected, in milliseconds </div></div> <div class="ttc" id="onset_8h_html_ab2f09c9fd308772fd8b550324ccd6d09"><div class="ttname"><a href="onset_8h.html#ab2f09c9fd308772fd8b550324ccd6d09">aubio_onset_get_minioi</a></div><div class="ttdeci">uint_t aubio_onset_get_minioi(aubio_onset_t *o)</div><div class="ttdoc">get minimum inter onset interval in samples </div></div> <div class="ttc" id="onset_8h_html_ae1c98c836ac7870d31fa23260d462ef2"><div class="ttname"><a href="onset_8h.html#ae1c98c836ac7870d31fa23260d462ef2">aubio_onset_get_minioi_ms</a></div><div class="ttdeci">smpl_t aubio_onset_get_minioi_ms(aubio_onset_t *o)</div><div class="ttdoc">get minimum inter onset interval in milliseconds </div></div> <div class="ttc" id="onset_8h_html_ab6c0066dd6c34a312e8eac242b9f720e"><div class="ttname"><a href="onset_8h.html#ab6c0066dd6c34a312e8eac242b9f720e">aubio_onset_get_delay</a></div><div class="ttdeci">uint_t aubio_onset_get_delay(aubio_onset_t *o)</div><div class="ttdoc">get delay in samples </div></div> <div class="ttc" id="types_8h_html_a5d7119468d78a1dc35cf76d0adfb1436"><div class="ttname"><a href="types_8h.html#a5d7119468d78a1dc35cf76d0adfb1436">smpl_t</a></div><div class="ttdeci">float smpl_t</div><div class="ttdoc">short sample format (32 or 64 bits) </div><div class="ttdef"><b>Definition:</b> <a href="types_8h_source.html#l00041">types.h:41</a></div></div> <div class="ttc" id="onset_8h_html_a6a7358240fb7d8bcfee7733f96297c1b"><div class="ttname"><a href="onset_8h.html#a6a7358240fb7d8bcfee7733f96297c1b">del_aubio_onset</a></div><div class="ttdeci">void del_aubio_onset(aubio_onset_t *o)</div><div class="ttdoc">delete onset detection object </div></div> <div class="ttc" id="onset_8h_html_a3384623b29e60a490a689c4ca84efd26"><div class="ttname"><a href="onset_8h.html#a3384623b29e60a490a689c4ca84efd26">aubio_onset_set_minioi_ms</a></div><div class="ttdeci">uint_t aubio_onset_set_minioi_ms(aubio_onset_t *o, smpl_t minioi)</div><div class="ttdoc">set minimum inter onset interval in milliseconds </div></div> <div class="ttc" id="onset_8h_html_aaec5de47aa9888b70e5c649ec58a1ca2"><div class="ttname"><a href="onset_8h.html#aaec5de47aa9888b70e5c649ec58a1ca2">aubio_onset_set_delay_ms</a></div><div class="ttdeci">uint_t aubio_onset_set_delay_ms(aubio_onset_t *o, smpl_t delay)</div><div class="ttdoc">set delay in milliseconds </div></div> <div class="ttc" id="onset_8h_html_a97403356ccc5573bb5a886afbeca0878"><div class="ttname"><a href="onset_8h.html#a97403356ccc5573bb5a886afbeca0878">aubio_onset_get_delay_ms</a></div><div class="ttdeci">smpl_t aubio_onset_get_delay_ms(aubio_onset_t *o)</div><div class="ttdoc">get delay in milliseconds </div></div> <div class="ttc" id="onset_8h_html_affcf54491aa890f1e6b97addad7bab01"><div class="ttname"><a href="onset_8h.html#affcf54491aa890f1e6b97addad7bab01">aubio_onset_get_minioi_s</a></div><div class="ttdeci">smpl_t aubio_onset_get_minioi_s(aubio_onset_t *o)</div><div class="ttdoc">get minimum inter onset interval in seconds </div></div> <div class="ttc" id="onset_8h_html_a040705a87563aef518f79e7edeac7c1a"><div class="ttname"><a href="onset_8h.html#a040705a87563aef518f79e7edeac7c1a">aubio_onset_get_delay_s</a></div><div class="ttdeci">smpl_t aubio_onset_get_delay_s(aubio_onset_t *o)</div><div class="ttdoc">get delay in seconds </div></div> <div class="ttc" id="onset_8h_html_ad1064e5c7be93f5470a457e3a05cadc3"><div class="ttname"><a href="onset_8h.html#ad1064e5c7be93f5470a457e3a05cadc3">aubio_onset_set_minioi_s</a></div><div class="ttdeci">uint_t aubio_onset_set_minioi_s(aubio_onset_t *o, smpl_t minioi)</div><div class="ttdoc">set minimum inter onset interval in seconds </div></div> <div class="ttc" id="onset_8h_html_abe4dcfe0267da0d2a1eca8f0b5acd260"><div class="ttname"><a href="onset_8h.html#abe4dcfe0267da0d2a1eca8f0b5acd260">aubio_onset_set_silence</a></div><div class="ttdeci">uint_t aubio_onset_set_silence(aubio_onset_t *o, smpl_t silence)</div><div class="ttdoc">set onset detection silence threshold </div></div> <div class="ttc" id="onset_8h_html_a00512092dd9dde0cdf0cf73b9109c149"><div class="ttname"><a href="onset_8h.html#a00512092dd9dde0cdf0cf73b9109c149">new_aubio_onset</a></div><div class="ttdeci">aubio_onset_t * new_aubio_onset(char_t *method, uint_t buf_size, uint_t hop_size, uint_t samplerate)</div><div class="ttdoc">create onset detection object </div></div> <div class="ttc" id="onset_8h_html_ac9d999003443d04dc0f3a15aa0df7613"><div class="ttname"><a href="onset_8h.html#ac9d999003443d04dc0f3a15aa0df7613">aubio_onset_set_delay</a></div><div class="ttdeci">uint_t aubio_onset_set_delay(aubio_onset_t *o, uint_t delay)</div><div class="ttdoc">set delay in samples </div></div> <div class="ttc" id="onset_8h_html_a782475758a25edee352983c73d1e5e67"><div class="ttname"><a href="onset_8h.html#a782475758a25edee352983c73d1e5e67">aubio_onset_get_last_s</a></div><div class="ttdeci">smpl_t aubio_onset_get_last_s(aubio_onset_t *o)</div><div class="ttdoc">get the time of the latest onset detected, in seconds </div></div> <div class="ttc" id="onset_8h_html_a8a1bb8ed948dd024b579085ad99a1fa2"><div class="ttname"><a href="onset_8h.html#a8a1bb8ed948dd024b579085ad99a1fa2">aubio_onset_get_descriptor</a></div><div class="ttdeci">smpl_t aubio_onset_get_descriptor(aubio_onset_t *o)</div><div class="ttdoc">get onset detection function </div></div> <div class="ttc" id="structfvec__t_html"><div class="ttname"><a href="structfvec__t.html">fvec_t</a></div><div class="ttdoc">Buffer for real data. </div><div class="ttdef"><b>Definition:</b> <a href="fvec_8h_source.html#l00067">fvec.h:67</a></div></div> <div class="ttc" id="types_8h_html_a12a1e9b3ce141648783a82445d02b58d"><div class="ttname"><a href="types_8h.html#a12a1e9b3ce141648783a82445d02b58d">uint_t</a></div><div class="ttdeci">unsigned int uint_t</div><div class="ttdoc">unsigned integer </div><div class="ttdef"><b>Definition:</b> <a href="types_8h_source.html#l00060">types.h:60</a></div></div> <div class="ttc" id="onset_8h_html_aa38ddf8ec5fd506a870567fbe73c03d5"><div class="ttname"><a href="onset_8h.html#aa38ddf8ec5fd506a870567fbe73c03d5">aubio_onset_do</a></div><div class="ttdeci">void aubio_onset_do(aubio_onset_t *o, fvec_t *input, fvec_t *onset)</div><div class="ttdoc">execute onset detection </div></div> <div class="ttc" id="onset_8h_html_aab9be831df71952f95d3685f86fce281"><div class="ttname"><a href="onset_8h.html#aab9be831df71952f95d3685f86fce281">aubio_onset_t</a></div><div class="ttdeci">struct _aubio_onset_t aubio_onset_t</div><div class="ttdoc">onset detection object </div><div class="ttdef"><b>Definition:</b> <a href="onset_8h_source.html#l00050">onset.h:50</a></div></div> <div class="ttc" id="types_8h_html_a40bb5262bf908c328fbcfbe5d29d0201"><div class="ttname"><a href="types_8h.html#a40bb5262bf908c328fbcfbe5d29d0201">char_t</a></div><div class="ttdeci">char char_t</div><div class="ttdoc">character </div><div class="ttdef"><b>Definition:</b> <a href="types_8h_source.html#l00064">types.h:64</a></div></div> <div class="ttc" id="onset_8h_html_ac85fa9a2c77bafe15fadc9cbd5885f9e"><div class="ttname"><a href="onset_8h.html#ac85fa9a2c77bafe15fadc9cbd5885f9e">aubio_onset_set_delay_s</a></div><div class="ttdeci">uint_t aubio_onset_set_delay_s(aubio_onset_t *o, smpl_t delay)</div><div class="ttdoc">set delay in seconds </div></div> <div class="ttc" id="onset_8h_html_ac1076a257679610f0184f54048f63d8e"><div class="ttname"><a href="onset_8h.html#ac1076a257679610f0184f54048f63d8e">aubio_onset_set_minioi</a></div><div class="ttdeci">uint_t aubio_onset_set_minioi(aubio_onset_t *o, uint_t minioi)</div><div class="ttdoc">set minimum inter onset interval in samples </div></div> <div class="ttc" id="onset_8h_html_acb14475eeebafc3e003357def3c7b950"><div class="ttname"><a href="onset_8h.html#acb14475eeebafc3e003357def3c7b950">aubio_onset_get_last</a></div><div class="ttdeci">uint_t aubio_onset_get_last(aubio_onset_t *o)</div><div class="ttdoc">get the time of the latest onset detected, in samples </div></div> <div class="ttc" id="onset_8h_html_a7a9547f6ec9a17c6b0e4b49fe0812726"><div class="ttname"><a href="onset_8h.html#a7a9547f6ec9a17c6b0e4b49fe0812726">aubio_onset_get_silence</a></div><div class="ttdeci">smpl_t aubio_onset_get_silence(aubio_onset_t *o)</div><div class="ttdoc">get onset detection silence threshold </div></div> <div class="ttc" id="onset_8h_html_a1e76a2deb5bce2f491bbee5e5707ef4a"><div class="ttname"><a href="onset_8h.html#a1e76a2deb5bce2f491bbee5e5707ef4a">aubio_onset_set_threshold</a></div><div class="ttdeci">uint_t aubio_onset_set_threshold(aubio_onset_t *o, smpl_t threshold)</div><div class="ttdoc">set onset detection peak picking threshold 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