@prefix blip: <http://drobilla.net/plugins/blip/> .
@prefix dc: <http://purl.org/dc/elements/1.1/> .
@prefix doap: <http://usefulinc.com/ns/doap#> .
@prefix foaf: <http://xmlns.com/foaf/0.1/> .
@prefix lv2: <http://lv2plug.in/ns/lv2core#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

blip:lp4pole
	lv2:microVersion 0 ;
	lv2:minorVersion 0 ;
	lv2:optionalFeature lv2:hardRTCapable ;
	lv2:port [
		lv2:default 0.5 ;
		lv2:index 0 ;
		lv2:maximum 0.5 ;
		lv2:minimum "2.08333e-05"^^xsd:double ;
		lv2:name "Cutoff Frequency" ;
		lv2:portProperty <http://lv2plug.in/ns/dev/extportinfo#logarithmic> ,
			lv2:sampleRate ;
		lv2:symbol "port0" ;
		a lv2:ControlPort ,
			lv2:InputPort ,
			lv2:Port
	] , [
		lv2:default 0 ;
		lv2:index 1 ;
		lv2:maximum 4 ;
		lv2:minimum 0 ;
		lv2:name "Resonance" ;
		lv2:symbol "port1" ;
		a lv2:ControlPort ,
			lv2:InputPort ,
			lv2:Port
	] , [
		lv2:index 2 ;
		lv2:name "Input" ;
		lv2:symbol "port2" ;
		a lv2:AudioPort ,
			lv2:InputPort ,
			lv2:Port
	] , [
		lv2:index 3 ;
		lv2:name "Output" ;
		lv2:symbol "port3" ;
		a lv2:AudioPort ,
			lv2:OutputPort ,
			lv2:Port
	] ;
	dc:creator "Mike Rawes <mike_rawes[at]yahoo.co.uk>" ;
	dc:replaces <urn:ladspa:1671> ,
		<urn:ladspa:1672> ;
	dc:rights "GPL" ;
	doap:name "4 Pole Resonant Low-Pass Filter" ;
	lv2:documentation """
<p>Emulates a low pass filter in popular analogue synthesisers. This particular
filter is derived from one of <a
href="http://www.musicdsp.org/archive.php?classid=3#24">many
implementations</a> of the Moog 4 pole filter.</p>
""" ;
	a lv2:Plugin , lv2:LowpassPlugin .