view tests/test-summaries/expected/summaries-from-rdf.n3 @ 269:39fb206b1153 piper-nopiper

Filter out Xing/LAME info frames, rather than letting them go to the mp3 decoder as if they were audio frames. Fixes the 1152-sample zero pad at start of some decoded mp3 files (distinct from decoder delay). The logic here is based on the madplay code.

@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix dc: <http://purl.org/dc/elements/1.1/> .
@prefix mo: <http://purl.org/ontology/mo/> .
@prefix af: <http://purl.org/ontology/af/> .
@prefix foaf: <http://xmlns.com/foaf/0.1/> .
@prefix event: <http://purl.org/NET/c4dm/event.owl#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
@prefix tl: <http://purl.org/NET/c4dm/timeline.owl#> .
@prefix vamp: <http://purl.org/ontology/vamp/> .
@prefix : <> .

:transform_0_onsets
    vamp:block_size "1024"^^xsd:int ;
    vamp:output <http://vamp-plugins.org/rdf/plugins/vamp-example-plugins#percussiononsets_output_onsets> ;
    vamp:plugin <http://vamp-plugins.org/rdf/plugins/vamp-example-plugins#percussiononsets> ;
    vamp:sample_rate "44100"^^xsd:float ;
    vamp:step_size "512"^^xsd:int ;
    a vamp:Transform .

<file://example.wav>
    mo:encodes :signal_1 ;
    a mo:AudioFile .

:signal_1
    mo:time [
        tl:onTimeLine :signal_timeline_1 ;
        a tl:Interval
    ] ;
    a mo:Signal .

:signal_timeline_1
    a tl:Timeline .

:event_2
    event:time [
        tl:at "PT0.777868481S"^^xsd:duration ;
        tl:onTimeLine :signal_timeline_1 ;
        a tl:Instant
    ] ;
    vamp:computed_by :transform_0_onsets ;
    a af:Onset .

:event_3
    event:time [
        tl:at "PT1.648616780S"^^xsd:duration ;
        tl:onTimeLine :signal_timeline_1 ;
        a tl:Instant
    ] ;
    vamp:computed_by :transform_0_onsets ;
    a af:Onset .

:event_4
    event:time [
        tl:at "PT2.414875283S"^^xsd:duration ;
        tl:onTimeLine :signal_timeline_1 ;
        a tl:Instant
    ] ;
    vamp:computed_by :transform_0_onsets ;
    a af:Onset .

:transform_5_detectionfunction
    vamp:block_size "4096"^^xsd:int ;
    vamp:output <http://vamp-plugins.org/rdf/plugins/vamp-example-plugins#percussiononsets_output_detectionfunction> ;
    vamp:plugin <http://vamp-plugins.org/rdf/plugins/vamp-example-plugins#percussiononsets> ;
    vamp:sample_rate "44100"^^xsd:float ;
    vamp:step_size "2048"^^xsd:int ;
    vamp:summary_type "mean" ;
    a vamp:Transform .

:event_type_6
    dc:description "Broadband energy rise detection function" ;
    dc:format "" ;
    dc:title "Detection Function" ;
    rdfs:subClassOf event:Event .

:event_7
    event:time [
        tl:beginsAt "PT0.000000000S"^^xsd:duration ;
        tl:duration "PT4.992290248S"^^xsd:duration ;
        tl:onTimeLine :signal_timeline_1 ;
        a tl:Interval
    ] ;
    af:feature "703.191" ;
    vamp:computed_by :transform_5_detectionfunction ;
    a :event_type_6 ;
    rdfs:label "(mean value, continuous-time average)" .

:transform_8_detectionfunction
    vamp:block_size "1024"^^xsd:int ;
    vamp:output <http://vamp-plugins.org/rdf/plugins/vamp-example-plugins#percussiononsets_output_detectionfunction> ;
    vamp:plugin <http://vamp-plugins.org/rdf/plugins/vamp-example-plugins#percussiononsets> ;
    vamp:sample_rate "44100"^^xsd:float ;
    vamp:step_size "512"^^xsd:int ;
    vamp:summary_type "mean" ;
    a vamp:Transform .

:event_type_9
    dc:description "Broadband energy rise detection function" ;
    dc:format "" ;
    dc:title "Detection Function" ;
    rdfs:subClassOf event:Event .

:event_10
    event:time [
        tl:beginsAt "PT0.000000000S"^^xsd:duration ;
        tl:duration "PT4.992290248S"^^xsd:duration ;
        tl:onTimeLine :signal_timeline_1 ;
        a tl:Interval
    ] ;
    af:feature "169.391" ;
    vamp:computed_by :transform_8_detectionfunction ;
    a :event_type_9 ;
    rdfs:label "(mean value, continuous-time average)" .

:transform_11_detectionfunction
    vamp:block_size "1024"^^xsd:int ;
    vamp:output <http://vamp-plugins.org/rdf/plugins/vamp-example-plugins#percussiononsets_output_detectionfunction> ;
    vamp:plugin <http://vamp-plugins.org/rdf/plugins/vamp-example-plugins#percussiononsets> ;
    vamp:sample_rate "44100"^^xsd:float ;
    vamp:step_size "512"^^xsd:int ;
    vamp:summary_type "median" ;
    a vamp:Transform .

:event_type_12
    dc:description "Broadband energy rise detection function" ;
    dc:format "" ;
    dc:title "Detection Function" ;
    rdfs:subClassOf event:Event .

:event_13
    event:time [
        tl:beginsAt "PT0.000000000S"^^xsd:duration ;
        tl:duration "PT4.992290248S"^^xsd:duration ;
        tl:onTimeLine :signal_timeline_1 ;
        a tl:Interval
    ] ;
    af:feature "169" ;
    vamp:computed_by :transform_11_detectionfunction ;
    a :event_type_12 ;
    rdfs:label "(median value, continuous-time average)" .

:transform_14_detectionfunction
    vamp:block_size "1024"^^xsd:int ;
    vamp:output <http://vamp-plugins.org/rdf/plugins/vamp-example-plugins#percussiononsets_output_detectionfunction> ;
    vamp:plugin <http://vamp-plugins.org/rdf/plugins/vamp-example-plugins#percussiononsets> ;
    vamp:sample_rate "44100"^^xsd:float ;
    vamp:step_size "512"^^xsd:int ;
    vamp:summary_type "mode" ;
    a vamp:Transform .

:event_type_15
    dc:description "Broadband energy rise detection function" ;
    dc:format "" ;
    dc:title "Detection Function" ;
    rdfs:subClassOf event:Event .

:event_16
    event:time [
        tl:beginsAt "PT0.000000000S"^^xsd:duration ;
        tl:duration "PT4.992290248S"^^xsd:duration ;
        tl:onTimeLine :signal_timeline_1 ;
        a tl:Interval
    ] ;
    af:feature "164" ;
    vamp:computed_by :transform_14_detectionfunction ;
    a :event_type_15 ;
    rdfs:label "(modal value, continuous-time average)" .