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Extend to FM, vibrato, etc

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This commit is contained in:
Aria 2025-12-28 20:13:15 -05:00
parent 99bec835f8
commit 48f6a41683
9 changed files with 112 additions and 64 deletions
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52
packages/superdough/synth.mjs
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@ -52,17 +52,17 @@ export function registerSynthSounds() {
// turn down
const g = gainNode(0.3);
let sound = getOscillator(s, t, value, () => {
const sound = getOscillator(s, t, value, () => {
releaseAudioNode(g);
onended();
});
let { node: o, stop, triggerRelease } = sound;
const { node: o, nodes, stop, triggerRelease } = sound;
const { duration } = value;
const envGain = gainNode(1);
let node = o.connect(g).connect(envGain);
const node = o.connect(g).connect(envGain);
const holdEnd = t + duration;
getParamADSR(node.gain, attack, decay, sustain, release, 0, 1, t, holdEnd, 'linear');
const envEnd = holdEnd + release + 0.01;
@ -70,7 +70,7 @@ export function registerSynthSounds() {
stop(envEnd);
return {
node,
source: o,
nodes,
stop: (endTime) => {
stop(endTime);
},
@ -140,7 +140,7 @@ export function registerSynthSounds() {
return {
node,
source: o,
nodes: { source: [o] },
stop: (endTime) => {
o.stop(endTime);
},
@ -185,8 +185,8 @@ export function registerSynthSounds() {
const gainAdjustment = 1 / Math.sqrt(voices);
getPitchEnvelope(o.parameters.get('detune'), value, begin, holdend);
const vibratoOscillator = getVibratoOscillator(o.parameters.get('detune'), value, begin);
const fm = applyFM(o.parameters.get('frequency'), value, begin);
const vibratoHandle = getVibratoOscillator(o.parameters.get('detune'), value, begin);
const fmHandle = applyFM(o.parameters.get('frequency'), value, begin);
let envGain = gainNode(1);
envGain = o.connect(envGain);
@ -197,8 +197,8 @@ export function registerSynthSounds() {
() => {
releaseAudioNode(o);
onended();
fm?.stop();
vibratoOscillator?.stop();
fmHandle?.stop();
vibratoHandle?.stop();
},
begin,
end,
@ -206,7 +206,7 @@ export function registerSynthSounds() {
return {
node: envGain,
source: o,
nodes: { source: [o], ...fmHandle?.nodes, ...vibratoHandle?.nodes },
stop: (time) => {
timeoutNode.stop(time);
},
@ -333,25 +333,25 @@ export function registerSynthSounds() {
);
getPitchEnvelope(o.parameters.get('detune'), value, begin, holdend);
const vibratoOscillator = getVibratoOscillator(o.parameters.get('detune'), value, begin);
const fm = applyFM(o.parameters.get('frequency'), value, begin);
const vibratoHandle = getVibratoOscillator(o.parameters.get('detune'), value, begin);
const fmHandle = applyFM(o.parameters.get('frequency'), value, begin);
let envGain = gainNode(1);
envGain = o.connect(envGain);
getParamADSR(envGain.gain, attack, decay, sustain, release, 0, 1, begin, holdend, 'linear');
let lfo;
let pw_lfo;
if (pwsweep != 0) {
lfo = getLfo(ac, { frequency: pwrate, depth: pwsweep, begin, end });
lfo.connect(o.parameters.get('pulsewidth'));
pw_lfo = getLfo(ac, { frequency: pwrate, depth: pwsweep, begin, end });
pw_lfo.connect(o.parameters.get('pulsewidth'));
}
let timeoutNode = webAudioTimeout(
ac,
() => {
releaseAudioNode(o);
releaseAudioNode(lfo);
releaseAudioNode(pw_lfo);
onended();
fm?.stop();
vibratoOscillator?.stop();
fmHandle?.stop();
vibratoHandle?.stop();
},
begin,
end,
@ -359,7 +359,7 @@ export function registerSynthSounds() {
return {
node: envGain,
source: o,
nodes: { source: [o], pw_lfo: [pw_lfo], ...fmHandle?.nodes, ...vibratoHandle?.nodes },
stop: (time) => {
timeoutNode.stop(time);
},
@ -394,7 +394,7 @@ export function registerSynthSounds() {
return {
node: envGain,
source: bus,
nodes: { source: [bus] },
stop: (time) => {
timeoutNode.stop(time);
},
@ -440,7 +440,7 @@ export function registerSynthSounds() {
stop(envEnd);
return {
node,
source: o,
nodes: { source: [o] },
stop: (endTime) => {
stop(endTime);
},
@ -520,11 +520,11 @@ export function getOscillator(s, t, value, onended) {
// set frequency
o.frequency.value = getFrequencyFromValue(value);
let vibratoOscillator = getVibratoOscillator(o.detune, value, t);
const vibratoHandle = getVibratoOscillator(o.detune, value, t);
// pitch envelope
getPitchEnvelope(o.detune, value, t, t + duration);
const fmModulator = applyFM(o.frequency, value, t);
const fmHandle = applyFM(o.frequency, value, t);
let noiseMix;
if (noise) {
@ -541,10 +541,10 @@ export function getOscillator(s, t, value, onended) {
return {
node: noiseMix?.node || o,
source: o,
nodes: { source: [o], ...vibratoHandle?.nodes, ...fmHandle?.nodes },
stop: (time) => {
fmModulator.stop(time);
vibratoOscillator?.stop(time);
fmHandle.stop(time);
vibratoHandle?.stop(time);
noiseMix?.stop(time);
o.stop(time);
},