// analysis
adc => FFT fft =^ Flux flux => blackhole;
// audio
adc => Pan2 pan => dac;

// set fft
Windowing.hann( 512 ) => fft.window;
512 => fft.size;
256 => int hopSize;

// go
while( true )
{
    // upchuck
    flux.upchuck() @=> UAnaBlob @ fluxBlob;

    // print
    // <<< "flux:", fluxBlob.fval(0) >>>;

    // "classify"
    if( fluxBlob.fval(0) > .5 )
    { -1 => pan.pan; }
    else
    { 1 => pan.pan; }

    // hop
    hopSize::samp => now;
}