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Diffstat (limited to 'lv2/parameters/parameters.ttl')
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diff --git a/lv2/parameters/parameters.ttl b/lv2/parameters/parameters.ttl new file mode 100644 index 0000000..f8ad2ab --- /dev/null +++ b/lv2/parameters/parameters.ttl @@ -0,0 +1,206 @@ +@prefix lv2: <http://lv2plug.in/ns/lv2core#> . +@prefix param: <http://lv2plug.in/ns/ext/parameters#> . +@prefix atom: <http://lv2plug.in/ns/ext/atom#> . +@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 lv2:Specification ; + rdfs:seeAlso <lv2-parameters.doap.ttl> ; + lv2:documentation """ +<p>This vocabulary describes 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 (e.g. using +lv2:designation for ports) 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:range atom:Float ; + rdfs:label "amplitude" . + +param:attack + a lv2:Parameter ; + rdfs:range atom:Float ; + rdfs:label "attack" ; + rdfs:comment "The duration of an envelope's attack stage." . + +param:cutoffFrequency + a lv2:Parameter ; + rdfs:range atom:Float ; + rdfs:label "cutoff frequency" . + +param:decay + a lv2:Parameter ; + rdfs:range atom:Float ; + rdfs:label "decay" ; + rdfs:comment "The duration of an envelope's decay stage." . + +param:delay + a lv2:Parameter ; + rdfs:range atom:Float ; + rdfs:label "delay" ; + rdfs:comment "The duration of an envelope's delay stage." . + +param:frequency + a lv2:Parameter ; + rdfs:range atom:Float ; + rdfs:label "frequency" . + +param:hold + a lv2:Parameter ; + rdfs:range atom:Float ; + rdfs:label "hold" ; + rdfs:comment "The duration of an envelope's 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's 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 (not duration) of an envelope's sustain stage." . + +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" . + +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" ; + lv2:documentation """ +<p>The ratio between processed and bypass components in output signal. The dry +and wet percentages can be calculated from the following equations:</p> + +<pre class="c-code"> + dry = (wetDryRatio.maximum - wetDryRatio.value) / wetDryRatio.maximum + wet = wetDryRatio.value / wetDryRatio.maximum +</pre> + +<p>Typically, maximum value of 1 or 100 and minimum value of 0 should be +used.</p> +""" . + +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 disabled 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 "DAHDSR Envelope Controls" ; + 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" ; + 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" ; + pg:element [ + lv2:designation param:cutoffFrequency + ] , [ + lv2:designation param:resonance + ] . + +param:CompressorControls + a rdfs:Class ; + rdfs:subClassOf param:ControlGroup ; + rdfs:label "Compressor Controls" ; + pg:element [ + lv2:designation param:threshold + ] , [ + lv2:designation param:ratio + ] . |