ChucK LFOs

Vibrato

SinOsc osc => dac;
400 => osc.freq;

fun void vibrato(float rate, float depth) {
    0 => float plfo;
    while(true) {
        if((plfo > depth) + (plfo < -depth)) { -rate => rate; }
        plfo + rate => plfo;

        osc.freq() + rate => osc.freq;

        1::samp => now;
    }
}
spork ~ vibrato(0.05, 60);
1::second => now;