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@prefix atom: <http://lv2plug.in/ns/ext/atom#> . @prefix lv2: <http://lv2plug.in/ns/lv2core#> . @prefix owl: <http://www.w3.org/2002/07/owl#> . @prefix param: <http://lv2plug.in/ns/ext/parameters#> . @prefix pg: <http://lv2plug.in/ns/ext/port-groups#> . @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> . @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . @prefix units: <http://lv2plug.in/ns/extensions/units#> . <http://lv2plug.in/ns/ext/parameters> a owl:Ontology ; rdfs:label "LV2 Parameters" ; rdfs:comment "Common parameters for audio processing." ; rdfs:seeAlso <parameters.meta.ttl> ; owl:imports <http://lv2plug.in/ns/ext/atom> , <http://lv2plug.in/ns/ext/port-groups> , <http://lv2plug.in/ns/lv2core> . param:ControlGroup a rdfs:Class ; rdfs:subClassOf pg:Group ; rdfs:label "Control Group" ; rdfs:comment "A group representing a set of associated controls." . param:amplitude a lv2:Parameter ; rdfs:range atom:Float ; rdfs:label "amplitude" ; rdfs:comment "An amplitude as a factor, where 0 is silent and 1 is unity." . param:attack a lv2:Parameter ; rdfs:range atom:Float ; rdfs:label "attack" ; rdfs:comment "The duration of an envelope attack stage." . param:cutoffFrequency a lv2:Parameter ; rdfs:range atom:Float ; rdfs:label "cutoff frequency" ; rdfs:comment "The cutoff frequency, typically in Hz, for a filter." . param:decay a lv2:Parameter ; rdfs:range atom:Float ; rdfs:label "decay" ; rdfs:comment "The duration of an envelope decay stage." . param:delay a lv2:Parameter ; rdfs:range atom:Float ; rdfs:label "delay" ; rdfs:comment "The duration of an envelope delay stage." . param:frequency a lv2:Parameter ; rdfs:range atom:Float ; rdfs:label "frequency" ; rdfs:comment "A frequency, typically in Hz." . param:hold a lv2:Parameter ; rdfs:range atom:Float ; rdfs:label "hold" ; rdfs:comment "The duration of an envelope hold stage." . param:pulseWidth a lv2:Parameter ; rdfs:range atom:Float ; rdfs:label "pulse width" ; rdfs:comment "The width of a pulse of a rectangular waveform." . param:ratio a lv2:Parameter ; rdfs:range atom:Float ; rdfs:label "ratio" ; rdfs:comment "Compression ratio." . param:release a lv2:Parameter ; rdfs:range atom:Float ; rdfs:label "release" ; rdfs:comment "The duration of an envelope release stage." . param:resonance a lv2:Parameter ; rdfs:range atom:Float ; rdfs:label "resonance" ; rdfs:comment "The resonance of a filter." . param:sustain a lv2:Parameter ; rdfs:label "sustain" ; rdfs:range atom:Float ; rdfs:comment "The level of an envelope sustain stage as a factor." . param:threshold a lv2:Parameter ; rdfs:range atom:Float ; rdfs:label "threshold" ; rdfs:comment "Compression threshold." . param:waveform a lv2:Parameter ; rdfs:range atom:Float ; rdfs:label "waveform" ; rdfs:comment """The waveform "fader" for oscillators or modulators that have several.""" . param:gain a lv2:Parameter ; rdfs:range atom:Float ; lv2:default 0.0 ; lv2:minimum -20.0 ; lv2:maximum 20.0 ; units:unit units:db ; rdfs:label "gain" ; rdfs:comment "Gain in decibels." . param:wetDryRatio a lv2:Parameter ; rdfs:label "wet/dry ratio" ; rdfs:comment "The ratio between processed and bypassed levels in the output." . param:wetLevel a lv2:Parameter ; rdfs:label "wet level" ; rdfs:comment "The level of the processed component of a signal." . param:dryLevel a lv2:Parameter ; rdfs:label "dry level" ; rdfs:comment "The level of the unprocessed component of a signal." . param:bypass a lv2:Parameter ; rdfs:label "bypass" ; rdfs:comment "A boolean parameter that disables processing if true." . param:sampleRate a lv2:Parameter ; rdfs:label "sample rate" ; rdfs:comment "A sample rate in Hz." . param:EnvelopeControls a rdfs:Class ; rdfs:subClassOf param:ControlGroup ; rdfs:label "Envelope Controls" ; rdfs:comment "Typical controls for a DAHDSR envelope." ; pg:element [ lv2:index 0 ; lv2:designation param:delay ] , [ lv2:index 1 ; lv2:designation param:attack ] , [ lv2:index 2 ; lv2:designation param:hold ] , [ lv2:index 3 ; lv2:designation param:decay ] , [ lv2:index 4 ; lv2:designation param:sustain ] , [ lv2:index 5 ; lv2:designation param:release ] . param:OscillatorControls a rdfs:Class ; rdfs:subClassOf param:ControlGroup ; rdfs:label "Oscillator Controls" ; rdfs:comment "Typical controls for an oscillator." ; pg:element [ lv2:designation param:frequency ] , [ lv2:designation param:amplitude ] , [ lv2:designation param:waveform ] , [ lv2:designation param:pulseWidth ] . param:FilterControls a rdfs:Class ; rdfs:subClassOf param:ControlGroup ; rdfs:label "Filter Controls" ; rdfs:comment "Typical controls for a filter." ; pg:element [ lv2:designation param:cutoffFrequency ] , [ lv2:designation param:resonance ] . param:CompressorControls a rdfs:Class ; rdfs:subClassOf param:ControlGroup ; rdfs:label "Compressor Controls" ; rdfs:comment "Typical controls for a compressor." ; pg:element [ lv2:designation param:threshold ] , [ lv2:designation param:ratio ] .