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Diffstat (limited to 'blop.lv2/tracker.ttl')
| -rw-r--r-- | blop.lv2/tracker.ttl | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/blop.lv2/tracker.ttl b/blop.lv2/tracker.ttl new file mode 100644 index 0000000..b62d811 --- /dev/null +++ b/blop.lv2/tracker.ttl @@ -0,0 +1,122 @@ +@prefix blop: <http://drobilla.net/plugins/blop/> . +@prefix dct: <http://purl.org/dc/terms/> . +@prefix doap: <http://usefulinc.com/ns/doap#> . +@prefix lv2: <http://lv2plug.in/ns/lv2core#> . +@prefix morph: <http://lv2plug.in/ns/ext/morph#> . +@prefix opts: <http://lv2plug.in/ns/ext/options#> . +@prefix units: <http://lv2plug.in/ns/extensions/units#> . +@prefix urid: <http://lv2plug.in/ns/ext/urid#> . + +blop:tracker + a lv2:Plugin ; + lv2:project blop: ; + lv2:symbol "tracker" ; + lv2:microVersion 0 ; + lv2:minorVersion 0 ; + lv2:extensionData opts:interface ; + lv2:optionalFeature lv2:hardRTCapable , + urid:map ; + lv2:port [ + a lv2:CVPort , + lv2:InputPort ; + lv2:index 0 ; + lv2:name "Gate" ; + lv2:portProperty lv2:toggled ; + lv2:symbol "gate" + ] , [ + a lv2:ControlPort , + lv2:InputPort , + morph:MorphPort ; + lv2:default 100 ; + lv2:index 1 ; + lv2:maximum 0.5 ; + lv2:minimum 0.00001 ; + lv2:name "High Attack Rate" ; + lv2:portProperty <http://lv2plug.in/ns/ext/port-props#logarithmic> , + lv2:sampleRate ; + lv2:symbol "hattack" ; + morph:supportsType lv2:CVPort ; + units:unit units:hz + ] , [ + a lv2:ControlPort , + lv2:InputPort , + morph:MorphPort ; + lv2:default 100 ; + lv2:index 2 ; + lv2:maximum 0.5 ; + lv2:minimum 0.00001 ; + lv2:name "High Decay Rate" ; + lv2:portProperty <http://lv2plug.in/ns/ext/port-props#logarithmic> , + lv2:sampleRate ; + lv2:symbol "hdecay" ; + morph:supportsType lv2:CVPort ; + units:unit units:hz + ] , [ + a lv2:ControlPort , + lv2:InputPort , + morph:MorphPort ; + lv2:default 100 ; + lv2:index 3 ; + lv2:maximum 0.5 ; + lv2:minimum 0.00001 ; + lv2:name "Low Attack Rate" ; + lv2:portProperty <http://lv2plug.in/ns/ext/port-props#logarithmic> , + lv2:sampleRate ; + lv2:symbol "lattack" ; + morph:supportsType lv2:CVPort ; + units:unit units:hz + ] , [ + a lv2:ControlPort , + lv2:InputPort , + morph:MorphPort ; + lv2:default 100 ; + lv2:index 4 ; + lv2:maximum 0.5 ; + lv2:minimum 0.00001 ; + lv2:name "Low Decay Rate" ; + lv2:portProperty <http://lv2plug.in/ns/ext/port-props#logarithmic> , + lv2:sampleRate ; + lv2:symbol "ldecay" ; + morph:supportsType lv2:CVPort ; + units:unit units:hz + ] , [ + a lv2:AudioPort , + lv2:InputPort ; + lv2:index 5 ; + lv2:name "Input" ; + lv2:symbol "in" + ] , [ + a lv2:AudioPort , + lv2:OutputPort ; + lv2:index 6 ; + lv2:name "Output" ; + lv2:symbol "out" + ] ; + dct:replaces <urn:ladspa:2025> , + <urn:ladspa:2026> ; + doap:name "Tracker" ; + lv2:documentation """ +<p>This tracks an incoming signal and outputs the result.</p> +<p>The rate controls tell the plugin how quickly to respond to a change in +input. Low values will mean a slower response - a setting of 0 will hold the +last value, and a very high value will track the input exactly.</p> +<p>Attack rate is how quickly an upward change is tracked, and Decay for +downward changes. There are two pairs of these - the one used depends on the +level of the Gate.</p> +<p>Example uses:</p> +<ul> + <li> + <em>An envelope tracker</em>- use the ‘Gate Low’ track rates with + the Gate held low, and run the output through a full-wave rectifier (an ABS() + operator) to get an estimate of the level of a signal.</li> + <li> + <em>Sample and Hold</em>- run a narrow pulse wave into the gate, set the + ‘Gate High’ rates to maximum, and the ‘Gate Low’ + rates set to 0.</li> + <li> + <em>Track and Hold</em>- run a variable pulse wave into the gate, set the + ‘Gate High’ rates to 0, and the ‘Gate Low’ rates set + high. Varying the pulsewidth will vary the time the input is tracked, and + when it is held.</li> +</ul> +""" . |