@prefix atom: . @prefix doap: . @prefix lv2: . @prefix time: . @prefix urid: . a lv2:Plugin ; doap:name "Example Metronome" ; doap:license ; lv2:project ; lv2:requiredFeature urid:map ; lv2:optionalFeature lv2:hardRTCapable ; lv2:port [ a lv2:InputPort , atom:AtomPort ; atom:bufferType atom:Sequence ; # Since this port supports time:Position, the host knows to deliver time and # tempo information atom:supports time:Position ; lv2:index 0 ; lv2:symbol "control" ; lv2:name "Control" ; ] , [ a lv2:AudioPort , lv2:OutputPort ; lv2:index 1 ; lv2:symbol "out" ; lv2:name "Out" ; ] .