3 files changed, 289 insertions, 0 deletions
diff --git a/lv2/parameters.lv2/manifest.ttl b/lv2/parameters.lv2/manifest.ttl
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+@prefix lv2: <http://lv2plug.in/ns/lv2core#> .
+@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
+
+<http://lv2plug.in/ns/ext/parameters>
+	a lv2:Specification ;
+	lv2:minorVersion 1 ;
+	lv2:microVersion 4 ;
+	rdfs:seeAlso <parameters.ttl> .
+
diff --git a/lv2/parameters.lv2/parameters.meta.ttl b/lv2/parameters.lv2/parameters.meta.ttl
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+++ b/lv2/parameters.lv2/parameters.meta.ttl
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+@prefix dcs: <http://ontologi.es/doap-changeset#> .
+@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 rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
+
+<http://lv2plug.in/ns/ext/parameters>
+	a doap:Project ;
+	doap:name "LV2 Parameters" ;
+	doap:release [
+		doap:revision "1.4" ;
+		doap:created "2015-04-07" ;
+		doap:file-release <http://lv2plug.in/spec/lv2-1.12.0.tar.bz2> ;
+		dcs:blame <http://drobilla.net/drobilla#me> ;
+		dcs:changeset [
+			dcs:item [
+				rdfs:label "Add range to parameters so hosts know how to control them."
+			]
+		]
+	] , [
+		doap:revision "1.2" ;
+		doap:created "2012-10-14" ;
+		doap:file-release <http://lv2plug.in/spec/lv2-1.2.0.tar.bz2> ;
+		dcs:blame <http://drobilla.net/drobilla#me> ;
+		dcs:changeset [
+			dcs:item [
+				rdfs:label "Use consistent label style."
+			] , [
+				rdfs:label "Add param:sampleRate."
+			] , [
+				rdfs:label "Add parameters.h of URI defines for convenience."
+			]
+		]
+	] , [
+		doap:revision "1.0" ;
+		doap:created "2012-04-17" ;
+		doap:file-release <http://lv2plug.in/spec/lv2-1.0.0.tar.bz2> ;
+		dcs:blame <http://drobilla.net/drobilla#me> ;
+		dcs:changeset [
+			dcs:item [
+				rdfs:label "Initial release."
+			]
+		]
+	] ;
+	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 """
+
+This is a vocabulary for parameters that are 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
+(for example, using lv2:designation for ports) so they can be used more
+intelligently or presented to the user more efficiently.
+
+"""^^lv2:Markdown .
+
+param:wetDryRatio
+	a lv2:Parameter ;
+	rdfs:label "wet/dry ratio" ;
+	lv2:documentation """
+
+The ratio between processed and bypass components in output signal.  The dry
+and wet percentages can be calculated from the following equations:
+
+    :::c
+    dry = (wetDryRatio.maximum - wetDryRatio.value) / wetDryRatio.maximum
+    wet = wetDryRatio.value / wetDryRatio.maximum
+
+Typically, maximum value of 1 or 100 and minimum value of 0 should be used.
+
+"""^^lv2:Markdown .
+
diff --git a/lv2/parameters.lv2/parameters.ttl b/lv2/parameters.lv2/parameters.ttl
new file mode 100644
index 0000000..9987812
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+++ b/lv2/parameters.lv2/parameters.ttl
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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
+	] .
+