@prefix blop: . @prefix dct: . @prefix doap: . @prefix lv2: . @prefix morph: . @prefix urid: . blop:lp4pole a lv2:Plugin , lv2:LowpassPlugin ; lv2:project blop: ; lv2:microVersion 0 ; lv2:minorVersion 0 ; lv2:optionalFeature lv2:hardRTCapable , urid:map ; lv2:port [ a lv2:ControlPort , lv2:InputPort , morph:MorphPort ; lv2:default 0.5 ; lv2:index 0 ; lv2:maximum 0.5 ; lv2:minimum 0.00001 ; lv2:name "Cutoff Frequency" ; lv2:portProperty , lv2:sampleRate ; lv2:symbol "cutoff" ; morph:supportsType lv2:CVPort ] , [ a lv2:ControlPort , lv2:InputPort , morph:MorphPort ; lv2:default 0 ; lv2:index 1 ; lv2:maximum 4 ; lv2:minimum 0 ; lv2:name "Resonance" ; lv2:symbol "resonance" ; morph:supportsType lv2:CVPort ] , [ a lv2:AudioPort , lv2:InputPort ; lv2:index 2 ; lv2:name "Input" ; lv2:symbol "in" ] , [ a lv2:AudioPort , lv2:OutputPort ; lv2:index 3 ; lv2:name "Output" ; lv2:symbol "out" ] ; dct:replaces , ; doap:name "4 Pole Resonant Low-Pass" ; lv2:documentation """

Emulates a low pass filter in popular analogue synthesisers. This particular filter is derived from one of many implementations of the Moog 4 pole filter.

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