view cqvamp.n3 @ 112:a45b51ea00a2

Smaller range, faster chromagram

@prefix rdfs:     <http://www.w3.org/2000/01/rdf-schema#> .
@prefix xsd:      <http://www.w3.org/2001/XMLSchema#> .
@prefix vamp:     <http://purl.org/ontology/vamp/> .
@prefix plugbase: <http://vamp-plugins.org/rdf/plugins/cqvamp#> .
@prefix owl:      <http://www.w3.org/2002/07/owl#> .
@prefix dc:       <http://purl.org/dc/elements/1.1/> .
@prefix af:       <http://purl.org/ontology/af/> .
@prefix foaf:     <http://xmlns.com/foaf/0.1/> .
@prefix cc:       <http://web.resource.org/cc/> .
@prefix :         <#> .

<>  a   vamp:PluginDescription ;
    foaf:maker          <http://www.vamp-plugins.org/doap.rdf#template-generator> ;
    foaf:primaryTopic   <http://vamp-plugins.org/rdf/plugins/cqvamp> .

:cqvamp a  vamp:PluginLibrary ;
    vamp:identifier "cqvamp"  ; 
    vamp:available_plugin plugbase:cqvamp ; 
#   foaf:page <Place more-information HTML page URL here and uncomment> ;
    .

plugbase:cqvamp a   vamp:Plugin ;
    dc:title              "Constant-Q Spectrogram" ;
    vamp:name             "Constant-Q Spectrogram" ;
    dc:description        """Extract a spectrogram with constant ratio of centre frequency to resolution from the input audio""" ;
    foaf:maker            [ foaf:name "Queen Mary, University of London" ] ; # FIXME could give plugin author's URI here
    dc:rights             """Plugin by Chris Cannam. Method by Christian Schörkhuber and Anssi Klapuri. Copyright (c) 2013 QMUL""" ;
#   cc:license            <Place plugin license URI here and uncomment> ; 
    vamp:identifier       "cqvamp" ;
    vamp:vamp_API_version vamp:api_version_2 ;
    owl:versionInfo       "1" ;
    vamp:input_domain     vamp:TimeDomain ;

    vamp:parameter   plugbase:cqvamp_param_minpitch ;
    vamp:parameter   plugbase:cqvamp_param_maxpitch ;
    vamp:parameter   plugbase:cqvamp_param_tuning ;
    vamp:parameter   plugbase:cqvamp_param_bpo ;

    vamp:output      plugbase:cqvamp_output_constantq ;
    .
plugbase:cqvamp_param_minpitch a  vamp:QuantizedParameter ;
    vamp:identifier     "minpitch" ;
    dc:title            "Minimum Pitch" ;
    dc:format           "MIDI units" ;
    vamp:min_value       0 ;
    vamp:max_value       127 ;
    vamp:unit           "MIDI units" ;
    vamp:quantize_step   1  ;
    vamp:default_value   36 ;
    vamp:value_names     ();
    .
plugbase:cqvamp_param_maxpitch a  vamp:QuantizedParameter ;
    vamp:identifier     "maxpitch" ;
    dc:title            "Maximum Pitch" ;
    dc:format           "MIDI units" ;
    vamp:min_value       0 ;
    vamp:max_value       127 ;
    vamp:unit           "MIDI units" ;
    vamp:quantize_step   1  ;
    vamp:default_value   84 ;
    vamp:value_names     ();
    .
plugbase:cqvamp_param_tuning a  vamp:Parameter ;
    vamp:identifier     "tuning" ;
    dc:title            "Tuning Frequency" ;
    dc:format           "Hz" ;
    vamp:min_value       360 ;
    vamp:max_value       500 ;
    vamp:unit           "Hz"  ;
    vamp:default_value   440 ;
    vamp:value_names     ();
    .
plugbase:cqvamp_param_bpo a  vamp:QuantizedParameter ;
    vamp:identifier     "bpo" ;
    dc:title            "Bins per Octave" ;
    dc:format           "bins" ;
    vamp:min_value       2 ;
    vamp:max_value       480 ;
    vamp:unit           "bins" ;
    vamp:quantize_step   1  ;
    vamp:default_value   24 ;
    vamp:value_names     ();
    .
plugbase:cqvamp_output_constantq a  vamp:DenseOutput ;
    vamp:identifier       "constantq" ;
    dc:title              "Constant-Q Spectrogram" ;
    dc:description        """Output of constant-Q transform, as a single vector per process block"""  ;
    vamp:unit             "" ;
    vamp:computes_signal_type  af:Spectrogram ;
    .