// create a choir from two formants ( // https://en.wikipedia.org/wiki/Formant#cite_note-7 var formants = [ [360, 640], // o [235, 2100], // y [390, 2300], // e [585, 1710], // æ [850, 1610], // a [750, 940], // ɑ [820, 1530], // ɶ [600, 1170], // ʌ [250, 595], // u [240, 2400], // i ]; r { [38 + 3, 38 +5, 38 + 12].do{ |freq| Synth(\formoo, [ amp: 0.15, attack: 2, decay: 5, freq: freq.midicps, formants: [850, 1610], ff: rrand(550, 2660), qr: 0.5 ] ); } }.play; )