// some simple filters
// lp



\\ sweeping a lowpass on blip	
(
	{

		f = RLPF.ar( Blip.ar(200, 30, 0.5), Line.kr(100, 2000, 3), 0.2);
		f
	}.play;


)
	

\\ simple gui on a bandpass with a fixed q modulated by low freq osc
(

	var w, dmf, df;
	w = GUIWindow.new("panel", Rect.newBy( 128, 64, 373, 90 ));
	df = SliderView.new( w, Rect.newBy( 16, 25, 128, 20 ), "SliderView", 500, 30, 2000, 1, 'linear');
	dmf  = SliderView.new( w, Rect.newBy( 172, 27, 128, 20 ), "SliderView",1, 0.1, 15, 0.1, 'linear');
	StringView.new( w, Rect.newBy( 28, 46, 128, 20 ), "filtfreq");
	StringView.new( w, Rect.newBy( 171, 51, 128, 20 ), "modfreq");

	{

		f =  BPF.ar( WhiteNoise.ar(0.9), ControlIn.kr(df) + FSinOsc.kr(ControlIn.kr(dmf), 300, 100), 0.01);
	}.scope;
	// w.close
)