[{"data":1,"prerenderedAt":187},["ShallowReactive",2],{"$f36agvd26ra255":3},{"type":4,"name":5,"blurb":6,"color":7,"category":8,"about":9,"description":10,"aboutHtml":11,"howHtml":12,"inputs":13,"outputs":20,"controls":24,"tryHtml":31,"lessons":32,"guides":163,"terms":167,"siblings":170},"vca","VCA","Amplifier. Out = IN × (bias + CV × amt). Audio-rate CV = ring mod.","#7cff6b","Shapers","Voltage-controlled amplifier — a volume knob that signals can turn.","Voltage-controlled amplifier — a volume knob that signals can turn. Every input, output and knob explained, with patches to try.","\u003Ca class=\"term\" href=\"\u002Flearn\u002Fglossary#vca\" title=\"A volume control that another signal can turn up and down.\">Voltage-controlled amplifier\u003C\u002Fa> — a volume knob that signals can turn.","The output is IN × (Bias + CV × CV Amt). With Bias at 0 the module is silent until something opens it — \u003Ca class=\"term\" href=\"\u002Flearn\u002Fglossary#patch\" title=\"A set of connections between modules, and the sound it makes.\">patch\u003C\u002Fa> an \u003Ca class=\"term\" href=\"\u002Flearn\u002Fglossary#adsr\" title=\"Attack, Decay, Sustain, Release: the four stages of the most common envelope.\">ADSR\u003C\u002Fa> into CV to turn a droning \u003Ca class=\"term\" href=\"\u002Flearn\u002Fglossary#oscillator\" title=\"A sound source that repeats a wave shape over and over, making a pitched tone.\">VCO\u003C\u002Fa> into notes. Because it simply multiplies, an \u003Ca class=\"term\" href=\"\u002Flearn\u002Fglossary#audio-rate\" title=\"Fast enough to hear as a tone: roughly 20 Hz and up.\">audio-rate\u003C\u002Fa> signal into CV gives ring \u003Ca class=\"term\" href=\"\u002Flearn\u002Fglossary#modulation\" title=\"Using one signal to change another over time.\">modulation\u003C\u002Fa>.",[14,17],{"label":15,"html":16},"IN","The signal to control.",{"label":18,"html":19},"CV","Controls the gain. Usually an ADSR; an \u003Ca class=\"term\" href=\"\u002Flearn\u002Fglossary#lfo\" title=\"An oscillator too slow to hear, used to move other things automatically.\">LFO\u003C\u002Fa> gives tremolo.",[21],{"label":22,"html":23},"OUT","The result.",[25,28],{"label":26,"html":27},"Bias","Base level, even with no \u003Ca class=\"term\" href=\"\u002Flearn\u002Fglossary#cv\" title=\"A signal used to control a parameter rather than to be heard.\">CV\u003C\u002Fa>. Raise it for a drone.",{"label":29,"html":30},"CV Amt","How much the CV opens it.",[],[33,38,43,48,53,58,63,68,73,78,83,88,93,98,103,108,113,118,123,128,133,138,143,148,153,158],{"slug":34,"name":35,"title":36,"n":37},"01-your-first-note","01 · Your First Note","Your First Note",1,{"slug":39,"name":40,"title":41,"n":42},"02-envelopes","02 · Envelopes","Envelopes",2,{"slug":44,"name":45,"title":46,"n":47},"03-subtractive-synthesis","03 · Subtractive Synthesis","Subtractive Synthesis",3,{"slug":49,"name":50,"title":51,"n":52},"04-movement-with-lfos","04 · Movement with LFOs","Movement with LFOs",4,{"slug":54,"name":55,"title":56,"n":57},"05-mixer-fat-sounds","05 · Mixer: Fat Sounds","Mixer: Fat Sounds",5,{"slug":59,"name":60,"title":61,"n":62},"07-clock-and-sequencer","07 · Clock & Sequencer","Clock & Sequencer",7,{"slug":64,"name":65,"title":66,"n":67},"10-space-delay-and-reverb","10 · Space: Delay & Reverb","Space: Delay & Reverb",10,{"slug":69,"name":70,"title":71,"n":72},"11-noise-wind-and-hats","11 · Noise: Wind & Hats","Noise: Wind & Hats",11,{"slug":74,"name":75,"title":76,"n":77},"12-fm-audio-rate-modulation","12 · FM: Audio-Rate Modulation","FM: Audio-Rate Modulation",12,{"slug":79,"name":80,"title":81,"n":82},"13-drive-and-wavefolding","13 · Drive & Wavefolding","Drive & Wavefolding",13,{"slug":84,"name":85,"title":86,"n":87},"14-bitcrusher-lo-fi","14 · Bitcrusher: Lo-Fi","Bitcrusher: Lo-Fi",14,{"slug":89,"name":90,"title":91,"n":92},"15-vowel-make-it-talk","15 · Vowel: Make It Talk","Vowel: Make It Talk",15,{"slug":94,"name":95,"title":96,"n":97},"16-chorus-phaser-flanger","16 · Chorus, Phaser, Flanger","Chorus, Phaser, Flanger",16,{"slug":99,"name":100,"title":101,"n":102},"17-wavetable-and-pwm","17 · Wavetable & PWM","Wavetable & PWM",17,{"slug":104,"name":105,"title":106,"n":107},"21-generative-melodies","21 · Generative Melodies","Generative Melodies",21,{"slug":109,"name":110,"title":111,"n":112},"23-slew-glide-anything","23 · Slew: Glide Anything","Slew: Glide Anything",23,{"slug":114,"name":115,"title":116,"n":117},"24-scale-offset-signal-surgery","24 · Scale\u002FOffset: Signal Surgery","Scale\u002FOffset: Signal Surgery",24,{"slug":119,"name":120,"title":121,"n":122},"25-chords-and-arpeggios","25 · Chords & Arpeggios","Chords & Arpeggios",25,{"slug":124,"name":125,"title":126,"n":127},"26-polyphony-play-chords","26 · Polyphony: Play Chords","Polyphony: Play Chords",26,{"slug":129,"name":130,"title":131,"n":132},"29-switch-a-new-melody-every-bar","29 · Switch: A New Melody Every Bar","Switch: A New Melody Every Bar",29,{"slug":134,"name":135,"title":136,"n":137},"31-turing-machine","31 · Turing Machine","Turing Machine",31,{"slug":139,"name":140,"title":141,"n":142},"37-xy-pad-play-by-touch","37 · XY Pad: Play by Touch","XY Pad: Play by Touch",37,{"slug":144,"name":145,"title":146,"n":147},"38-lorenz-chaos","38 · Lorenz: Chaos","Lorenz: Chaos",38,{"slug":149,"name":150,"title":151,"n":152},"41-gamepad-and-phone-tilt","41 · Gamepad & Phone Tilt","Gamepad & Phone Tilt",41,{"slug":154,"name":155,"title":156,"n":157},"42-mic-and-envelope-follower","42 · Mic & Envelope Follower","Mic & Envelope Follower",42,{"slug":159,"name":160,"title":161,"n":162},"47-spectrum-and-tuner","47 · Spectrum & Tuner","Spectrum & Tuner",47,[164],{"slug":165,"title":166},"envelopes-and-vcas","Envelopes & VCAs: how notes start and stop",[168],{"id":4,"term":5,"short":169},"A volume control that another signal can turn up and down.",[171,175,179,183],{"type":172,"name":173,"blurb":174,"color":7},"vcf","Filter","Resonant multimode filter. CV is exponential: ±1 × amount = ±4 octaves.",{"type":176,"name":177,"blurb":178,"color":7},"vowel","Vowel","Formant filter that makes things talk. A · E · I · O · U.",{"type":180,"name":181,"blurb":182,"color":7},"drive","Drive","Saturation, hard clip, or a wavefolder.",{"type":184,"name":185,"blurb":186,"color":7},"lpg","Low-Pass Gate","A filter and VCA that close together with a natural, plucky decay. Strike it to play a note.",1792599838499]