(
// a half hour attempt at a sinusoidal pitch follower
// lp and jl
// we tried this with a low female folksinging voice...
{ 
	var in, freq, amp, sig, sig2;
	in = AudioIn.ar(1);
	sig = RLPF.ar(in, 300, 0.2);
	sig2 = RHPF.ar(sig, 100, 0.2);
	freq = OnePole.ar(ZeroCrossing.ar(sig2), 0.99);
	f = max(freq, 100);
	g = min(f, 400);
	
	amp = Amplitude.kr(in);
	s = SinOsc.ar(f, 0, amp);
	// Integrator.ar(sig, 0.3)
	s

}.scope(0.1)

)