# LV2 Parameters Extension # Copyright 2011-2012 David Robillard # Copyright 2009 Krzysztof Foltman # # Permission to use, copy, modify, and/or distribute this software for any # purpose with or without fee is hereby granted, provided that the above # copyright notice and this permission notice appear in all copies. # # THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF # OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. @prefix doap: . @prefix foaf: . @prefix lv2: . @prefix param: . @prefix pg: . @prefix rdf: . @prefix rdfs: . @prefix xsd: . a foaf:Person ; foaf:name "David Robillard" ; foaf:mbox ; rdfs:seeAlso . a lv2:Specification ; doap:name "LV2 Parameters" ; doap:release [ doap:revision "0.2" ; doap:created "2012-03-23" ; ] ; doap:created "2009-01-01" ; doap:shortdesc "Common parameters for audio processing." ; doap:maintainer ; doap:developer [ a foaf:Person ; foaf:name "Lars Luthman" ; foaf:mbox ; ] ; lv2:documentation """

This extension defines parameters common in audio processing software. A parameter 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.

""" . 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 ; ] .