static void audioCB(AudioIOData& io){
		MyApp * self = (MyApp *)io.user();
		while(io()){
			self->phase += 0.001;
			float s0 = rng.uniformS() * sin(self->phase);
			float s1 = sin(self->phase * 100.);
			io.out(0) = s0;
			io.out(1) = s1;
		}
	}