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@prefix doap: <http://usefulinc.com/ns/doap#> .
@prefix foaf: <http://xmlns.com/foaf/0.1/> .
@prefix lv2: <http://lv2plug.in/ns/lv2core#> .
@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 xsd: <http://www.w3.org/2001/XMLSchema#> .
<http://lv2plug.in/ns/ext/parameters>
a lv2:Specification ;
rdfs:seeAlso <../../meta/meta.ttl> ;
doap:name "LV2 Parameters" ;
doap:release [
doap:revision "0.2" ;
doap:created "2012-03-23"
] ;
doap:created "2009-00-00" ;
doap:shortdesc "Common parameters for audio processing." ;
doap:maintainer <http://drobilla.net/drobilla#me> ;
doap:developer <http://lv2plug.in/ns/meta#larsl> ;
lv2:documentation """
<p>This extension defines parameters common in audio processing software. A
<q>parameter</q> is purely a metadata concept, unrelated to any particular code
mechanism. Parameters are used to assign meaning to controls so they can be
used more intelligently or presented to the user more efficiently.</p>
""" .
param:ControlGroup
a rdfs:Class ;
rdfs:subClassOf pg:Group ;
rdfs:comment """
A group representing a set of associated controls.
""" .
param:amplitude
a lv2:Parameter ;
rdfs:label "Amplitude" .
param:attack
a lv2:Parameter ;
rdfs:label "Attack" ;
rdfs:comment "The duration of an envelope's attack stage." .
param:cutoffFrequency
a lv2:Parameter ;
rdfs:label "Cutoff Frequency" .
param:decay
a lv2:Parameter ;
rdfs:label "Decay" ;
rdfs:comment "The duration of an envelope's decay stage." .
param:delay
a lv2:Parameter ;
rdfs:label "Delay" ;
rdfs:comment "The duration of an envelope's delay stage." .
param:frequency
a lv2:Parameter ;
rdfs:label "Frequency" .
param:hold
a lv2:Parameter ;
rdfs:label "Hold" ;
rdfs:comment "The duration of an envelope's hold stage." .
param:pulseWidth
a lv2:Parameter ;
rdfs:label "Pulse Width" ;
rdfs:comment "The width of a pulse of a rectangular waveform." .
param:ratio
a lv2:Parameter ;
rdfs:label "Ratio" ;
rdfs:comment "Compression ration." .
param:release
a lv2:Parameter ;
rdfs:label "Release" ;
rdfs:comment "The duration of an envelope's release stage." .
param:resonance
a lv2:Parameter ;
rdfs:label "Resonance" ;
rdfs:comment "The resonance of a filter." .
param:sustain
a lv2:Parameter ;
rdfs:label "Sustain" ;
rdfs:comment "The level (not duration) of an envelope's sustain stage." .
param:threshold
a lv2:Parameter ;
rdfs:label "Threshold" ;
rdfs:comment "Compression threshold." .
param:waveform
a lv2:Parameter ;
rdfs:label "Waveform" .
param:EnvelopeControls
a rdfs:Class ;
rdfs:subClassOf param:ControlGroup ;
rdfs:label "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 "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 "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 "Controls for a compressor." ;
pg:element [
lv2:designation param:threshold
] , [
lv2:designation param:ratio
] .
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