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Daily Crap 2009-12-10

  1. ChucK distortion patch, mark II: max slew rate. Heck yes.

    fun void distort(UGen source, UGen dest) {
    source => blackhole;
    Impulse i => dest;
    0 => float last;

    .1 => float max_slew;

    while(1::samp => now) {
        // make roundy
        source.last() => float in => float out;
        if(in >= 1) 2./3. => out;
        else if(in <= -1) -2./3. => out;
        else in - (in*in*in)/3. => out;

        if(Math.fabs(out - last) > max_slew) {
            if(out < last) last - max_slew => out;
            else           last + max_slew => out;
        }

        out * 3./2. => i.next;
    }
}

adc => Delay d;
10 => adc.gain;
1::second => d.max => d.delay;
distort(d, dac);

Posted Dec 10, 2009, in the morning.

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