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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://www.vamp-plugins.org/ontology/> .
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4 @prefix vampex: <http://www.vamp-plugins.org/examples/> .
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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 thisplug: <http://www.vamp-plugins.org/examples/percussiononsets#>.
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11 @prefix : <> .
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12
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13 <> a vamp:PluginDescription ;
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14 foaf:maker <http://chrissutton.org/me> ;
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15 foaf:primaryTopic vampex:percussiononsets .
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16
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17 vampex:percussiononsets a vamp:Plugin ;
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18 dc:title "Simple Percussion Onset Detector" ;
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19 dc:description "Detect percussive note onsets by identifying broadband energy rises";
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20 foaf:maker <http://www.all-day-breakfast.com/cannam> ; #we'll pretend this is his URI
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21 cc:license <http://creativecommons.org/licenses/BSD/> ;
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22 vamp:identifier "percussiononsets" ; # The Vamp identifier for the plugin
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23 vamp:vamp_API_version vamp:version_v1.1b ; # Made up - this plugin doesn't actually specify it
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24 owl:versionInfo "2" ;
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25 vamp:input_domain vamp:TimeDomain ; # Made up - this plugin doesn't actually specify it
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26
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27 vamp:parameter_descriptor thisplug:pd1 ;
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28 vamp:parameter_descriptor thisplug:pd2 ;
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29 vamp:output_descriptor thisplug:od1 ;
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30 vamp:output_descriptor thisplug:od2 .
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31
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32
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33 thisplug:pd1 a vamp:ParameterDescriptor ;
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34 vamp:identifier "threshold" ;
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35 dc:title "Energy Rise threshold" ;
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36 dc:description "Energy rise within a frequency bin necessary to count toward broadband total" ;
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37 dc:format "dB" ;
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38 vamp:minValue 0 ; #might be useful when interpreting plugin output
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39 vamp:maxValue 20 ;
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40 vamp:defaultValue 3 .
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41
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42
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43 thisplug:pd2 a vamp:ParameterDescriptor ;
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44 vamp:identifier "sensitivity" ;
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45 dc:title "Sensitivity" ;
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46 dc:description "Sensitivity of peak detector applied to broadband detection function" ;
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47 dc:format "%" ;
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48 vamp:minValue 0 ; #might be useful when interpreting plugin output
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49 vamp:maxValue 100 ;
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50 vamp:defaultValue 40 .
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51
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52 thisplug:od1 a vamp:OutputDescriptor ;
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53 vamp:identifier "onsets" ;
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54 dc:title "Onsets" ;
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55 dc:description "Percussive note onset locations" ;
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56 dc:format "" ;
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57 vamp:fixed_bin_count "true" ;
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58 vamp:bin_count 0 ;
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59 vamp:sample_type vamp:VariableSampleRate ;
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60 vamp:computes_event_type af:Onset . # af:Onset is pending some thought
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61
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62 thisplug:od2 a vamp:OutputDescriptor ;
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63 vamp:identifier "detectionfunction" ;
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64 dc:title "Detection Function" ;
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65 dc:description "Broadband energy rise detection function";
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66 dc:format "" ;
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67 vamp:fixed_bin_count "true" ;
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68 vamp:bin_count 1 ;
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69 vamp:sample_type vamp:OneSamplePerStep ;
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70 vamp:computes_feature_type af:OnsetDetectionFunction .
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