// Computes spectral centroid from mic input (using FFT)
adc => FFT f =^ Flux c => blackhole;
1024 => f.size;
Windowing.hamming(512) => f.window;

while (true) {
	c.upchuck() @=> UAnaBlob b;
	<<< b.fval(0)>>>;
	.1::second => now;
}