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1 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
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2 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
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3 @prefix vamp: <http://purl.org/ontology/vamp/> .
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4 @prefix plugbase: <http://vamp-plugins.org/rdf/plugins/vamp-example-plugins#> .
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5 @prefix owl: <http://www.w3.org/2002/07/owl#> .
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6 @prefix dc: <http://purl.org/dc/elements/1.1/> .
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7 @prefix af: <http://purl.org/ontology/af/> .
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8 @prefix foaf: <http://xmlns.com/foaf/0.1/> .
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9 @prefix cc: <http://web.resource.org/cc/> .
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10 @prefix : <> .
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11
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12 <> a vamp:PluginDescription ;
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13 foaf:maker <http://www.vamp-plugins.org/doap.rdf#template-generator> ;
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14 foaf:primaryTopic <http://vamp-plugins.org/rdf/plugins/vamp-example-plugins> .
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15
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16 :vamp-example-plugins a vamp:PluginLibrary ;
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17 vamp:identifier "vamp-example-plugins" ;
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18 foaf:page <http://www.vamp-plugins.org/plugin-doc/vamp-example-plugins.html> ;
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19 vamp:available_plugin plugbase:amplitudefollower ;
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20 vamp:available_plugin plugbase:fixedtempo ;
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21 vamp:available_plugin plugbase:percussiononsets ;
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22 vamp:available_plugin plugbase:spectralcentroid ;
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23 vamp:available_plugin plugbase:zerocrossing ;
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24 .
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25
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26 plugbase:amplitudefollower a vamp:Plugin ;
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27 dc:title "Amplitude Follower" ;
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28 vamp:name "Amplitude Follower" ;
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29 dc:description "Track the amplitude of the audio signal" ;
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30 foaf:maker [ foaf:name "Vamp SDK Example Plugins" ] ; # FIXME could give plugin author's URI here
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31 # cc:license <Place plugin license URI here and uncomment> ;
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32 vamp:identifier "amplitudefollower" ;
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33 vamp:vamp_API_version vamp:api_version_2 ;
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34 owl:versionInfo "1" ;
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35 vamp:input_domain vamp:TimeDomain ;
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36
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37 vamp:parameter plugbase:amplitudefollower_param_attack ;
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38 vamp:parameter plugbase:amplitudefollower_param_release ;
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39
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40 vamp:output plugbase:amplitudefollower_output_amplitude ;
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41 .
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42 plugbase:amplitudefollower_param_attack a vamp:Parameter ;
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43 vamp:identifier "attack" ;
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44 dc:title "Attack time" ;
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45 dc:format "s" ;
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46 vamp:min_value 0 ;
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47 vamp:max_value 1 ;
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48 vamp:unit "s" ;
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49 vamp:default_value 0.01 ;
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50 vamp:value_names ();
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51 .
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52 plugbase:amplitudefollower_param_release a vamp:Parameter ;
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53 vamp:identifier "release" ;
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54 dc:title "Release time" ;
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55 dc:format "s" ;
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56 vamp:min_value 0 ;
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57 vamp:max_value 1 ;
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58 vamp:unit "s" ;
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59 vamp:default_value 0.01 ;
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60 vamp:value_names ();
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61 .
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62 plugbase:amplitudefollower_output_amplitude a vamp:DenseOutput ;
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63 vamp:identifier "amplitude" ;
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64 dc:title "Amplitude" ;
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65 dc:description "" ;
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66 vamp:fixed_bin_count "true" ;
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67 vamp:unit "V" ;
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68 vamp:bin_count 1 ;
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69 vamp:bin_names ( "");
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70 vamp:computes_signal_type af:Signal ;
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71 .
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72 plugbase:fixedtempo a vamp:Plugin ;
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73 dc:title "Simple Fixed Tempo Estimator" ;
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74 vamp:name "Simple Fixed Tempo Estimator" ;
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75 dc:description "Study a short section of audio and estimate its tempo, assuming the tempo is constant" ;
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76 foaf:maker [ foaf:name "Vamp SDK Example Plugins" ] ; # FIXME could give plugin author's URI here
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77 # cc:license <Place plugin license URI here and uncomment> ;
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78 vamp:identifier "fixedtempo" ;
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79 vamp:vamp_API_version vamp:api_version_2 ;
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80 owl:versionInfo "1" ;
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81 vamp:input_domain vamp:FrequencyDomain ;
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82
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83 vamp:output plugbase:fixedtempo_output_tempo ;
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84 vamp:output plugbase:fixedtempo_output_candidates ;
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85 vamp:output plugbase:fixedtempo_output_detectionfunction ;
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86 vamp:output plugbase:fixedtempo_output_acf ;
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87 vamp:output plugbase:fixedtempo_output_filtered_acf ;
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88 .
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89 plugbase:fixedtempo_output_tempo a vamp:SparseOutput ;
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90 vamp:identifier "tempo" ;
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91 dc:title "Tempo" ;
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92 dc:description "Estimated tempo" ;
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93 vamp:fixed_bin_count "true" ;
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94 vamp:unit "bpm" ;
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95 vamp:bin_count 1 ;
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96 vamp:bin_names ( "");
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97 vamp:sample_type vamp:VariableSampleRate ;
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98 vamp:computes_event_type af:Tempo ;
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99 .
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100 plugbase:fixedtempo_output_candidates a vamp:SparseOutput ;
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101 vamp:identifier "candidates" ;
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102 dc:title "Tempo candidates" ;
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103 dc:description "Possible tempo estimates, one per bin with the most likely in the first bin" ;
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104 vamp:fixed_bin_count "false" ;
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105 vamp:unit "bpm" ;
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106 vamp:sample_type vamp:VariableSampleRate ;
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107 vamp:computes_event_type af:Tempo ;
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108 .
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109 plugbase:fixedtempo_output_detectionfunction a vamp:DenseOutput ;
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110 vamp:identifier "detectionfunction" ;
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111 dc:title "Detection Function" ;
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112 dc:description "Onset detection function" ;
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113 vamp:fixed_bin_count "true" ;
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114 vamp:unit "" ;
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115 a vamp:KnownExtentsOutput ;
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116 vamp:min_value 0 ;
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117 vamp:max_value 1 ;
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118 vamp:bin_count 1 ;
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119 vamp:bin_names ( "");
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120 vamp:computes_signal_type af:OnsetDetectionFunction ;
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121 .
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122 plugbase:fixedtempo_output_acf a vamp:DenseOutput ;
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123 vamp:identifier "acf" ;
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124 dc:title "Autocorrelation Function" ;
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125 dc:description "Autocorrelation of onset detection function" ;
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126 vamp:fixed_bin_count "true" ;
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127 vamp:unit "r" ;
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128 vamp:bin_count 1 ;
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129 vamp:bin_names ( "");
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130 vamp:computes_signal_type af:Signal ;
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131 .
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132 plugbase:fixedtempo_output_filtered_acf a vamp:DenseOutput ;
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133 vamp:identifier "filtered_acf" ;
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134 dc:title "Filtered Autocorrelation" ;
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135 dc:description "Filtered autocorrelation of onset detection function" ;
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136 vamp:fixed_bin_count "true" ;
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137 vamp:unit "r" ;
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138 vamp:bin_count 1 ;
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139 vamp:bin_names ( "");
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140 vamp:computes_signal_type af:Signal ;
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141 .
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142 plugbase:percussiononsets a vamp:Plugin ;
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143 dc:title "Simple Percussion Onset Detector" ;
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144 vamp:name "Simple Percussion Onset Detector" ;
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145 dc:description "Detect percussive note onsets by identifying broadband energy rises" ;
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146 foaf:maker [ foaf:name "Vamp SDK Example Plugins" ] ; # FIXME could give plugin author's URI here
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147 # cc:license <Place plugin license URI here and uncomment> ;
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148 vamp:identifier "percussiononsets" ;
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149 vamp:vamp_API_version vamp:api_version_2 ;
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150 owl:versionInfo "2" ;
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151 vamp:input_domain vamp:FrequencyDomain ;
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152
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153 vamp:parameter plugbase:percussiononsets_param_threshold ;
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154 vamp:parameter plugbase:percussiononsets_param_sensitivity ;
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155
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156 vamp:output plugbase:percussiononsets_output_onsets ;
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157 vamp:output plugbase:percussiononsets_output_detectionfunction ;
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158 .
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159 plugbase:percussiononsets_param_threshold a vamp:Parameter ;
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160 vamp:identifier "threshold" ;
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161 dc:title "Energy rise threshold" ;
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162 dc:format "dB" ;
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163 vamp:min_value 0 ;
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164 vamp:max_value 20 ;
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165 vamp:unit "dB" ;
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166 vamp:default_value 3 ;
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167 vamp:value_names ();
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168 .
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169 plugbase:percussiononsets_param_sensitivity a vamp:Parameter ;
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170 vamp:identifier "sensitivity" ;
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171 dc:title "Sensitivity" ;
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172 dc:format "%" ;
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173 vamp:min_value 0 ;
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174 vamp:max_value 100 ;
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175 vamp:unit "%" ;
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176 vamp:default_value 40 ;
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177 vamp:value_names ();
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178 .
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179 plugbase:percussiononsets_output_onsets a vamp:SparseOutput ;
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180 vamp:identifier "onsets" ;
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181 dc:title "Onsets" ;
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182 dc:description "Percussive note onset locations" ;
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183 vamp:fixed_bin_count "true" ;
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184 vamp:unit "" ;
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185 vamp:bin_count 0 ;
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186 vamp:bin_names ();
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187 vamp:sample_type vamp:VariableSampleRate ;
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188 vamp:computes_event_type af:Onset ;
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189 .
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190 plugbase:percussiononsets_output_detectionfunction a vamp:DenseOutput ;
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191 vamp:identifier "detectionfunction" ;
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192 dc:title "Detection Function" ;
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193 dc:description "Broadband energy rise detection function" ;
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194 vamp:fixed_bin_count "true" ;
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195 vamp:unit "" ;
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196 a vamp:QuantizedOutput ;
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197 vamp:quantize_step 1 ;
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198 vamp:bin_count 1 ;
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199 vamp:bin_names ( "");
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200 vamp:computes_signal_type af:OnsetDetectionFunction ;
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201 .
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202 plugbase:spectralcentroid a vamp:Plugin ;
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203 dc:title "Spectral Centroid" ;
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204 vamp:name "Spectral Centroid" ;
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205 dc:description "Calculate the centroid frequency of the spectrum of the input signal" ;
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206 foaf:maker [ foaf:name "Vamp SDK Example Plugins" ] ; # FIXME could give plugin author's URI here
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207 # cc:license <Place plugin license URI here and uncomment> ;
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208 vamp:identifier "spectralcentroid" ;
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209 vamp:vamp_API_version vamp:api_version_2 ;
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210 owl:versionInfo "2" ;
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211 vamp:input_domain vamp:FrequencyDomain ;
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212
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213 vamp:output plugbase:spectralcentroid_output_logcentroid ;
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214 vamp:output plugbase:spectralcentroid_output_linearcentroid ;
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215 .
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216 plugbase:spectralcentroid_output_logcentroid a vamp:DenseOutput ;
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217 vamp:identifier "logcentroid" ;
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218 dc:title "Log Frequency Centroid" ;
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219 dc:description "Centroid of the log weighted frequency spectrum" ;
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220 vamp:fixed_bin_count "true" ;
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221 vamp:unit "Hz" ;
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222 vamp:bin_count 1 ;
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223 vamp:bin_names ( "");
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224 vamp:computes_signal_type af:LogFrequencyCentroid ;
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225 .
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226 plugbase:spectralcentroid_output_linearcentroid a vamp:DenseOutput ;
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227 vamp:identifier "linearcentroid" ;
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228 dc:title "Linear Frequency Centroid" ;
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229 dc:description "Centroid of the linear frequency spectrum" ;
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230 vamp:fixed_bin_count "true" ;
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231 vamp:unit "Hz" ;
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232 vamp:bin_count 1 ;
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233 vamp:bin_names ( "");
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234 vamp:computes_signal_type af:LinearFrequencyCentroid ;
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235 .
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236 plugbase:zerocrossing a vamp:Plugin ;
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237 dc:title "Zero Crossings" ;
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238 vamp:name "Zero Crossings" ;
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239 dc:description "Detect and count zero crossing points" ;
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240 foaf:maker [ foaf:name "Vamp SDK Example Plugins" ] ; # FIXME could give plugin author's URI here
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241 # cc:license <Place plugin license URI here and uncomment> ;
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242 vamp:identifier "zerocrossing" ;
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243 vamp:vamp_API_version vamp:api_version_2 ;
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244 owl:versionInfo "2" ;
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245 vamp:input_domain vamp:TimeDomain ;
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246 vamp:output plugbase:zerocrossing_output_counts ;
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247 vamp:output plugbase:zerocrossing_output_zerocrossings ;
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248 .
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249 plugbase:zerocrossing_output_counts a vamp:DenseOutput ;
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250 vamp:identifier "counts" ;
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251 dc:title "Zero Crossing Counts" ;
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252 dc:description "The number of zero crossing points per processing block" ;
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253 vamp:fixed_bin_count "true" ;
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254 vamp:unit "crossings" ;
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255 a vamp:QuantizedOutput ;
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256 vamp:quantize_step 1 ;
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257 vamp:bin_count 1 ;
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258 vamp:bin_names ( "");
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259 vamp:computes_signal_type af:ZeroCrossingCount ;
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260 .
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261 plugbase:zerocrossing_output_zerocrossings a vamp:SparseOutput ;
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262 vamp:identifier "zerocrossings" ;
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263 dc:title "Zero Crossings" ;
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264 dc:description "The locations of zero crossing points" ;
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265 vamp:fixed_bin_count "true" ;
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266 vamp:unit "" ;
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267 a vamp:QuantizedOutput ;
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268 vamp:quantize_step 1 ;
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269 vamp:bin_count 0 ;
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270 vamp:bin_names ();
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271 vamp:sample_type vamp:VariableSampleRate ;
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272 vamp:computes_event_type af:ZeroCrossing ;
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273 .
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274
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