Fix lfos for vowels, phasers; fix ir index; more informative error message

Reviewed-on: https://codeberg.org/uzu/strudel/pulls/1859

packages/core/controls.mjs

@@ -2846,6 +2846,7 @@ registerSubControls('lfo', [
   ['skew', 'sk'],
   ['curve'],
   ['sync', 's'],
+  ['fxi'],
 ]);
 registerSubControls('env', [
   ['control', 'c'],
@@ -2859,6 +2860,7 @@ registerSubControls('env', [
   ['acurve', 'ac'],
   ['dcurve', 'dc'],
   ['rcurve', 'rc'],
+  ['fxi'],
 ]);
 registerSubControls('bmod', [
   ['bus', 'b'],
@@ -2867,6 +2869,7 @@ registerSubControls('bmod', [
   ['depth', 'dep', 'dr'],
   ['depthabs', 'da'],
   ['dc'],
+  ['fxi'],
 ]);
 
 Pattern.prototype.modulate = function (type, config, id) {
@@ -2932,6 +2935,7 @@ Pattern.prototype.modulate = function (type, config, id) {
  * @param {number | Pattern} [config.skew] Skew amount. Aliases: sk
  * @param {number | Pattern} [config.curve] Exponential curve amount. Aliases: c
  * @param {number | Pattern} [config.sync] Tempo-synced modulation rate. Aliases: s
+ * @param {number | Pattern} [config.fxi] FX index to target
  * @param {string | Pattern} id ID to use for this modulator
  * @returns Pattern
  *
@@ -2985,6 +2989,7 @@ export const lfo = (config) => pure({}).lfo(config);
  * @param {number | Pattern} [config.acurve] Snappiness of attack curve (-1 = relaxed, 1 = snappy). Aliases: ac
  * @param {number | Pattern} [config.dcurve] Snappiness of decay curve (-1 = relaxed, 1 = snappy). Aliases: dc
  * @param {number | Pattern} [config.rcurve] Snappiness of release curve (-1 = relaxed, 1 = snappy). Aliases: rc
+ * @param {number | Pattern} [config.fxi] FX index to target
  * @param {string | Pattern} id ID to use for this modulator
  * @returns Pattern
  *
@@ -3039,6 +3044,7 @@ export const env = (config) => pure({}).env(config);
  * @param {number | Pattern} [config.depth] Relative modulation depth. Aliases: dep, dr
  * @param {number | Pattern} [config.depthabs] Absolute modulation depth. Aliases: da
  * @param {number | Pattern} [config.dc] DC offset prior to application
+ * @param {number | Pattern} [config.fxi] FX index to target
  * @param {string | Pattern} id ID to use for this modulator
  * @returns Pattern
  *
@@ -3065,3 +3071,5 @@ export const bmod = (config) => pure({}).bmod(config);
  * s("hh*16").bank("tr909").transient("<-1:1 1:-1>")
  */
 export const { transient } = registerControl(['transient', 'transsustain']);
+
+export const { FXrelease, FXrel, FXr, fxr } = registerControl('FXrelease', 'FXrel', 'FXr', 'fxr');

packages/core/pattern.mjs

@@ -3721,3 +3721,35 @@ Pattern.prototype.phases = function (list) {
 export const phases = (list) => {
   return _ensureListPattern(list).as('phases');
 };
+
+/**
+ * Establishes an FX chain. Can be called by chaining .FX(<fx1>).FX(<fx2>)..
+ * calls and/or in a single .FX(<fx1>, <fx2>, ..) call. The <fx1>, .. are _patterns_ which
+ * establish the controls of the given effect. See examples.
+ * @name FX
+ * @memberof Pattern
+ * @returns Pattern
+ * @example
+ * $: s("[sbd <hh [bd | lt | oh]>]*4").dec(.4)
+ *   .FX(
+ *     phaser(0.5).gain(2),
+ *     bpf(800),
+ *     distort(1.3),
+ *     room(0.2),
+ *     delay(0.5).gain(1.25),
+ *     distort(0.3),
+ *   ).fxr(1.7) // sets release time of effects (like delay)
+ * @example
+ * $: s("saw").fm(0.5)
+ *   .delay(0.3) // outer effects are applied *last*
+ *   .FX(coarse(4)) // first coarse
+ *   .FX(lpf(500).lpe(4).lpa(1).lpd(2)) // then lpf
+ *   .FX(distort(1)) // then distort
+ */
+Pattern.prototype.FX = function (...effects) {
+  effects = effects.map(reify);
+  return this.withValue((v) => (vEff) => {
+    const currFX = v.FX ?? [];
+    return { ...v, FX: currFX.concat(vEff) };
+  }).appLeft(parray(effects));
+};

packages/superdough/feedbackdelay.mjs

@@ -5,19 +5,18 @@ if (typeof DelayNode !== 'undefined') {
       wet = Math.abs(wet);
       this.delayTime.value = time;
 
-      const feedbackGain = ac.createGain();
+      this.feedbackGain = ac.createGain();
-      feedbackGain.gain.value = Math.min(Math.abs(feedback), 0.995);
+      this.feedbackGain.gain.value = Math.min(Math.abs(feedback), 0.995);
-      this.feedback = feedbackGain.gain;
+      this.feedback = this.feedbackGain.gain;
 
-      const delayGain = ac.createGain();
+      this.delayGain = ac.createGain();
-      delayGain.gain.value = wet;
+      this.delayGain.gain.value = wet;
-      this.delayGain = delayGain;
 
-      this.connect(feedbackGain);
+      this.connect(this.feedbackGain);
-      this.connect(delayGain);
+      this.connect(this.delayGain);
-      feedbackGain.connect(this);
+      this.feedbackGain.connect(this);
 
-      this.connect = (target) => delayGain.connect(target);
+      this.connect = (target) => this.delayGain.connect(target);
       return this;
     }
     start(t) {

packages/superdough/modulators.mjs

@@ -62,7 +62,10 @@ const getTargetParamsForControl = (control, nodes, subControl) => {
   const lookupKey = subControl ? `${control}_${subControl}` : control;
   const targetInfo = getControlData(lookupKey) ?? getControlData(control);
   if (!targetInfo) {
-    errorLogger(new Error(`Could not find control data for target '${control}'`), 'superdough');
+    errorLogger(
+      new Error(`Could not find control data for target '${control}'. It may not be modulatable.`),
+      'superdough',
+    );
     return { targetParams: [], paramName: control };
   }
   const paramName = targetInfo.param;
@@ -85,8 +88,19 @@ const getTargetParamsForControl = (control, nodes, subControl) => {
 };
 
 export const connectLFO = (id, params, nodeTracker) => {
-  const { rate = 1, sync, cps, cycle, control = 'lfo', subControl, depth = 1, depthabs, ...filteredParams } = params;
+  const {
-  const { targetParams, paramName } = getTargetParamsForControl(control, nodeTracker, subControl);
+    rate = 1,
+    sync,
+    cps,
+    cycle,
+    control = 'lfo',
+    subControl,
+    fxi = 'main',
+    depth = 1,
+    depthabs,
+    ...filteredParams
+  } = params;
+  const { targetParams, paramName } = getTargetParamsForControl(control, nodeTracker[fxi], subControl);
   if (!targetParams.length) return;
   let currentValue = targetParams[0].value;
   currentValue = currentValue === 0 ? 1 : currentValue;
@@ -101,14 +115,14 @@ export const connectLFO = (id, params, nodeTracker) => {
     max,
   };
   const lfoNode = getLfo(getAudioContext(), modParams);
-  nodeTracker[`lfo_${id}`] = [lfoNode];
+  nodeTracker.main[`lfo_${id}`] = [lfoNode];
   targetParams.forEach((t) => lfoNode.connect(t));
   return lfoNode;
 };
 
 export const connectEnvelope = (id, params, nodeTracker) => {
-  const { control, subControl, acurve, dcurve, rcurve, depth = 1, depthabs, ...filteredParams } = params;
+  const { control, subControl, acurve, dcurve, rcurve, depth = 1, depthabs, fxi = 'main', ...filteredParams } = params;
-  const { targetParams, paramName } = getTargetParamsForControl(control, nodeTracker, subControl);
+  const { targetParams, paramName } = getTargetParamsForControl(control, nodeTracker[fxi], subControl);
   if (!targetParams.length) return;
   let currentValue = targetParams[0].value;
   currentValue = currentValue === 0 ? 1 : currentValue;
@@ -123,15 +137,15 @@ export const connectEnvelope = (id, params, nodeTracker) => {
     decayCurve: dcurve,
     releaseCurve: rcurve,
   });
-  nodeTracker[`env_${id}`] = [envNode];
+  nodeTracker.main[`env_${id}`] = [envNode];
   targetParams.forEach((t) => envNode.connect(t));
   return envNode;
 };
 
 export const connectBusModulator = (params, nodeTracker, controller) => {
   const ac = getAudioContext();
-  const { control, subControl, depth = 1, depthabs } = params;
+  const { control, subControl, depth = 1, depthabs, fxi = 'main' } = params;
-  const { targetParams, paramName } = getTargetParamsForControl(control, nodeTracker, subControl);
+  const { targetParams, paramName } = getTargetParamsForControl(control, nodeTracker[fxi], subControl);
   if (!targetParams.length) return { toCleanup: [] };
   const signal = controller.getBus(params.bus);
   const dc = new ConstantSourceNode(ac, { offset: params.dc ?? 0 });

packages/superdough/reverbGen.mjs

@@ -12,6 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+import { releaseAudioNode } from './helpers.mjs';
+
 var reverbGen = {};
 
 /** Generates a reverb impulse response.
@@ -104,8 +106,8 @@ var applyGradualLowpass = function (input, lpFreqStart, lpFreqEnd, lpFreqEndAt,
   player.start();
   context.oncomplete = function (event) {
     callback(event.renderedBuffer);
-    filter.disconnect();
+    releaseAudioNode(filter);
-    player.disconnect();
+    releaseAudioNode(player);
   };
   context.startRendering();
 

packages/superdough/superdough.mjs

@@ -7,7 +7,7 @@ This program is free software: you can redistribute it and/or modify it under th
 import './feedbackdelay.mjs';
 import './reverb.mjs';
 import './vowel.mjs';
-import { nanFallback, _mod, cycleToSeconds, pickAndRename } from './util.mjs';
+import { clamp, nanFallback, _mod, cycleToSeconds, pickAndRename } from './util.mjs';
 import workletsUrl from './worklets.mjs?audioworklet';
 import {
   createFilter,
@@ -18,6 +18,7 @@ import {
   getLfo,
   getWorklet,
   releaseAudioNode,
+  webAudioTimeout,
 } from './helpers.mjs';
 import { map } from 'nanostores';
 import { logger } from './logger.mjs';
@@ -193,6 +194,9 @@ let defaultDefaultValues = {
   i: 1,
   velocity: 1,
   fft: 8,
+  tremolodepth: 1,
+  tremolophase: 0,
+  release: 0.01,
 };
 
 const defaultDefaultDefaultValues = Object.freeze({ ...defaultDefaultValues });
@@ -402,8 +406,37 @@ function mapChannelNumbers(channels) {
   return (Array.isArray(channels) ? channels : [channels]).map((ch) => ch - 1);
 }
 
+class Chain {
+  constructor(head) {
+    this.audioNodes = [head];
+    this.tails = [head];
+  }
+  connect(...nodes) {
+    nodes.forEach((node) => {
+      this.tails.forEach((tail) => {
+        tail.connect(node);
+      });
+    });
+    this.tails = nodes;
+    this.audioNodes.push(...nodes);
+    return this;
+  }
+  connectOne(idx, node) {
+    this.tails[idx].connect(node);
+    this.tails[idx] = node;
+    this.audioNodes.push(node);
+    return this;
+  }
+  releaseNodes() {
+    this.audioNodes.forEach((n) => releaseAudioNode(n));
+    this.audioNodes = [];
+    this.tails = [];
+  }
+}
+
 export const superdough = async (value, t, hapDuration, cps = 0.5, cycle = 0.5) => {
-  let nodes = {};
+  // mapping from main FX and numbered FX chains to nodes
+  const nodes = { main: {} };
   // new: t is always expected to be the absolute target onset time
   const ac = getAudioContext();
   const audioController = getSuperdoughAudioController();
@@ -432,44 +465,17 @@ export const superdough = async (value, t, hapDuration, cps = 0.5, cycle = 0.5)
   }
   // destructure
   let {
-    tremolo,
-    tremolosync,
-    tremolodepth = 1,
-    tremoloskew,
-    tremolophase = 0,
-    tremoloshape,
     s = getDefaultValue('s'),
     bank,
     source,
-    gain = getDefaultValue('gain'),
     postgain = getDefaultValue('postgain'),
-    density = getDefaultValue('density'),
     duckorbit,
     duckonset,
     duckattack,
     duckdepth,
     djf,
-    // filters
+    release = getDefaultValue('release'),
-    fanchor = getDefaultValue('fanchor'),
-    release = 0,
-
-    //phaser
-    phaserrate,
-    phaserdepth = getDefaultValue('phaserdepth'),
-    phasersweep,
-    phasercenter,
-    //
-    coarse,
-
-    crush,
     dry,
-    shape,
-    shapevol = getDefaultValue('shapevol'),
-    distort,
-    distortvol = getDefaultValue('distortvol'),
-    distorttype = getDefaultValue('distorttype'),
-    pan,
-    vowel,
     delay = getDefaultValue('delay'),
     delayfeedback = getDefaultValue('delayfeedback'),
     delaysync = getDefaultValue('delaysync'),
@@ -486,16 +492,10 @@ export const superdough = async (value, t, hapDuration, cps = 0.5, cycle = 0.5)
     irspeed,
     irbegin,
     i = getDefaultValue('i'),
-    velocity = getDefaultValue('velocity'),
     analyze, // analyser wet
     fft = getDefaultValue('fft'), // fftSize 0 - 10
-    compressor: compressorThreshold,
+    FX = [],
-    compressorRatio,
+    FXrelease,
-    compressorKnee,
-    compressorAttack,
-    compressorRelease,
-    transient,
-    transsustain,
   } = value;
 
   delaytime = delaytime ?? cycleToSeconds(delaysync, cps);
@@ -510,18 +510,13 @@ export const superdough = async (value, t, hapDuration, cps = 0.5, cycle = 0.5)
     audioController.duck(duckorbit, t, duckonset, duckattack, duckdepth);
   }
 
-  gain = applyGainCurve(nanFallback(gain, 1));
   postgain = applyGainCurve(postgain);
-  shapevol = applyGainCurve(shapevol);
-  distortvol = applyGainCurve(distortvol);
   delay = applyGainCurve(delay);
-  velocity = applyGainCurve(velocity);
-  tremolodepth = applyGainCurve(tremolodepth);
   busgain = applyGainCurve(busgain);
-  gain *= velocity; // velocity currently only multiplies with gain. it might do other things in the future
 
   const end = t + hapDuration;
-  const endWithRelease = end + release;
+  const fullRelease = Math.max(release, FXrelease ?? 0);
+  const endWithRelease = end + fullRelease;
   const chainID = Math.round(Math.random() * 1000000);
 
   // oldest audio nodes will be destroyed if maximum polyphony is exceeded
@@ -535,8 +530,6 @@ export const superdough = async (value, t, hapDuration, cps = 0.5, cycle = 0.5)
     activeSoundSources.delete(chainID);
   }
 
-  const audioNodes = [];
-
   if (['-', '~', '_'].includes(s)) {
     return;
   }
@@ -549,19 +542,27 @@ export const superdough = async (value, t, hapDuration, cps = 0.5, cycle = 0.5)
   let sourceNode;
   if (source) {
     sourceNode = source(t, value, hapDuration, cps);
-    nodes['source'] = [sourceNode];
+    nodes.main['source'] = [sourceNode];
   } else if (getSound(s)) {
     const { onTrigger } = getSound(s);
-    const onEnded = () => {
+    // We have to use onEnded because some sources (e.g. `sampler`) have
-      audioNodes.forEach((n) => releaseAudioNode(n));
+    // an internal duration which is longer than `value.duration`
-      activeSoundSources.delete(chainID);
+    const onEnded = () =>
-    };
+      webAudioTimeout(
+        ac,
+        () => {
+          chain.releaseNodes();
+          activeSoundSources.delete(chainID);
+        },
+        0,
+        endWithRelease,
+      );
     const soundHandle = await onTrigger(t, value, onEnded, cps);
 
     if (soundHandle) {
       sourceNode = soundHandle.node;
       activeSoundSources.set(chainID, new WeakRef(soundHandle)); // allow GC
-      nodes = { ...nodes, ...soundHandle.nodes };
+      nodes.main = { ...nodes.main, ...soundHandle.nodes };
     }
   } else {
     throw new Error(`sound ${s} not found! Is it loaded?`);
@@ -576,253 +577,340 @@ export const superdough = async (value, t, hapDuration, cps = 0.5, cycle = 0.5)
     logger('[webaudio] skip hap: still loading', ac.currentTime - t);
     return;
   }
-  const chain = []; // audio nodes that will be connected to each other sequentially
-  chain.push(sourceNode);
-  stretch !== undefined && chain.push(getWorklet(ac, 'phase-vocoder-processor', { pitchFactor: stretch }));
 
-  if (transient !== undefined) {
+  const chain = new Chain(sourceNode); // connection manager which tracks audio nodes for releasing
-    const transProcessor = getWorklet(
+  FX = [...FX, value]; // run through the FX chain and then run through all FX outside of it as well
-      ac,
+  for (let [idx, fx] of Object.entries(FX)) {
-      'transient-processor',
+    const key = idx == FX.length - 1 ? 'main' : idx;
-      {},
+    nodes[key] ??= {};
-      {
+    const fxNodes = nodes[key];
-        processorOptions: {
+    let {
-          attack: transient,
+      gain = getDefaultValue('gain'),
-          sustain: transsustain,
+      velocity = getDefaultValue('velocity'),
-          begin: t,
+      shapevol = getDefaultValue('shapevol'),
-          end: endWithRelease,
+      distorttype = getDefaultValue('distorttype'),
+      distortvol = getDefaultValue('distortvol'),
+      tremolodepth = getDefaultValue('tremolodepth'),
+      phaserdepth = getDefaultValue('phaserdepth'),
+      delay = getDefaultValue('delay'),
+      delayfeedback = getDefaultValue('delayfeedback'),
+      delaysync = getDefaultValue('delaysync'),
+      delaytime,
+      stretch = getDefaultValue('stretch'),
+      i = getDefaultValue('i'),
+    } = fx;
+    gain = applyGainCurve(nanFallback(gain, 1));
+    shapevol = applyGainCurve(shapevol);
+    distortvol = applyGainCurve(distortvol);
+    velocity = applyGainCurve(velocity);
+    tremolodepth = applyGainCurve(tremolodepth);
+    gain *= velocity; // velocity currently only multiplies with gain. it might do other things in the future
+    delaytime = delaytime ?? cycleToSeconds(delaysync, cps);
+
+    stretch !== undefined && chain.connect(getWorklet(ac, 'phase-vocoder-processor', { pitchFactor: stretch }));
+
+    if (fx.transient !== undefined) {
+      const transProcessor = getWorklet(
+        ac,
+        'transient-processor',
+        {},
+        {
+          processorOptions: {
+            attack: fx.transient,
+            sustain: fx.transsustain,
+            begin: t,
+            end: endWithRelease,
+          },
         },
-      },
+      );
-    );
+      chain.connect(transProcessor);
-    chain.push(transProcessor);
+      fxNodes['transient'] = transProcessor;
-    nodes['transient'] = transProcessor;
+    }
-  }
 
-  // gain stage
+    // gain stage
-  const initialGain = gainNode(gain);
+    const initialGain = gainNode(gain);
-  nodes['gain'] = [initialGain];
+    fxNodes['gain'] = [initialGain];
-  chain.push(initialGain);
+    chain.connect(initialGain);
 
-  // filter
+    // filter
-  const ftype = getFilterType(value.ftype);
+    const ftype = getFilterType(value.ftype);
 
-  const filt = (params) => createFilter(ac, t, end, params, cps, cycle);
+    const filt = (params) => createFilter(ac, t, end, params, cps, cycle);
-  if (value.cutoff !== undefined) {
+    if (fx.cutoff !== undefined) {
-    const lpMap = {
+      const lpMap = {
-      frequency: 'cutoff',
+        frequency: 'cutoff',
-      q: 'resonance',
+        q: 'resonance',
-      attack: 'lpattack',
+        attack: 'lpattack',
-      decay: 'lpdecay',
+        decay: 'lpdecay',
-      sustain: 'lpsustain',
+        sustain: 'lpsustain',
-      release: 'lprelease',
+        release: 'lprelease',
-      env: 'lpenv',
+        env: 'lpenv',
-      anchor: 'fanchor',
+        anchor: 'fanchor',
-      model: 'ftype',
+        model: 'ftype',
-      drive: 'drive',
+        drive: 'drive',
-      rate: 'lprate',
+        rate: 'lprate',
-      sync: 'lpsync',
+        sync: 'lpsync',
-      depth: 'lpdepth',
+        depth: 'lpdepth',
-      depthfrequency: 'lpdepthfrequency',
+        depthfrequency: 'lpdepthfrequency',
-      shape: 'lpshape',
+        shape: 'lpshape',
-      dcoffset: 'lpdc',
+        dcoffset: 'lpdc',
-      skew: 'lpskew',
+        skew: 'lpskew',
-    };
+      };
-    const lpParams = pickAndRename(value, lpMap);
+      const lpParams = pickAndRename(fx, lpMap);
-    lpParams.type = 'lowpass';
+      lpParams.type = 'lowpass';
-    const { filter: lpf1, lfo: lfo1 } = filt(lpParams);
+      const { filter: lpf1, lfo: lfo1 } = filt(lpParams);
-    nodes['lpf'] = [lpf1];
+      fxNodes['lpf'] = [lpf1];
-    nodes['lpf_lfo'] = [lfo1];
+      fxNodes['lpf_lfo'] = [lfo1];
-    chain.push(lpf1);
+      chain.connect(lpf1);
-    lfo1 && audioNodes.push(lfo1);
+      lfo1 && chain.audioNodes.push(lfo1);
-    if (ftype === '24db') {
+      if (ftype === '24db') {
-      const { filter: lpf2, lfo: lfo2 } = filt(lpParams);
+        const { filter: lpf2, lfo: lfo2 } = filt(lpParams);
-      nodes['lpf'].push(lpf2);
+        fxNodes['lpf'].push(lpf2);
-      nodes['lpf_lfo'].push(lfo2);
+        fxNodes['lpf_lfo'].push(lfo2);
-      chain.push(lpf2);
+        chain.connect(lpf2);
-      lfo2 && audioNodes.push(lfo2);
+        lfo2 && chain.audioNodes.push(lfo2);
+      }
+    }
+
+    if (fx.hcutoff !== undefined) {
+      const hpMap = {
+        frequency: 'hcutoff',
+        q: 'hresonance',
+        attack: 'hpattack',
+        decay: 'hpdecay',
+        sustain: 'hpsustain',
+        release: 'hprelease',
+        env: 'hpenv',
+        anchor: 'fanchor',
+        model: 'ftype',
+        drive: 'drive',
+        rate: 'hprate',
+        sync: 'hpsync',
+        depth: 'hpdepth',
+        depthfrequency: 'hpdepthfrequency',
+        shape: 'hpshape',
+        dcoffset: 'hpdc',
+        skew: 'hpskew',
+      };
+      const hpParams = pickAndRename(fx, hpMap);
+      hpParams.type = 'highpass';
+      const { filter: hpf1, lfo: lfo1 } = filt(hpParams);
+      fxNodes['hpf'] = [hpf1];
+      fxNodes['hpf_lfo'] = [lfo1];
+      lfo1 && chain.audioNodes.push(lfo1);
+      chain.connect(hpf1);
+      if (ftype === '24db') {
+        const { filter: hpf2, lfo: lfo2 } = filt(hpParams);
+        fxNodes['hpf'].push(hpf2);
+        fxNodes['hpf_lfo'].push(lfo2);
+        chain.connect(hpf2);
+        lfo2 && chain.audioNodes.push(lfo2);
+      }
+    }
+
+    if (fx.bandf !== undefined) {
+      const bpMap = {
+        frequency: 'bandf',
+        q: 'bandq',
+        attack: 'bpattack',
+        decay: 'bpdecay',
+        sustain: 'bpsustain',
+        release: 'bprelease',
+        env: 'bpenv',
+        anchor: 'fanchor',
+        model: 'ftype',
+        drive: 'drive',
+        rate: 'bprate',
+        sync: 'bpsync',
+        depth: 'bpdepth',
+        depthfrequency: 'bpdepthfrequency',
+        shape: 'bpshape',
+        dcoffset: 'bpdc',
+        skew: 'bpskew',
+      };
+      const bpParams = pickAndRename(fx, bpMap);
+      bpParams.type = 'bandpass';
+      const { filter: bpf1, lfo: lfo1 } = filt(bpParams);
+      fxNodes['bpf'] = [bpf1];
+      fxNodes['bpf_lfo'] = [lfo1];
+      chain.connect(bpf1);
+      lfo1 && chain.audioNodes.push(lfo1);
+      if (ftype === '24db') {
+        const { filter: bpf2, lfo: lfo2 } = filt(bpParams);
+        fxNodes['bpf'].push(bpf2);
+        fxNodes['bpf_lfo'].push(lfo2);
+        chain.connect(bpf2);
+        lfo2 && chain.audioNodes.push(lfo2);
+      }
+    }
+
+    if (fx.vowel !== undefined) {
+      const vowelNode = ac.createVowelFilter(fx.vowel);
+      fxNodes['vowel'] = vowelNode.filters;
+      chain.connect(vowelNode);
+    }
+
+    // effects
+    if (fx.coarse !== undefined) {
+      const coarseNode = getWorklet(ac, 'coarse-processor', { coarse: fx.coarse });
+      fxNodes['coarse'] = [coarseNode];
+      chain.connect(coarseNode);
+    }
+    if (fx.crush !== undefined) {
+      const crushNode = getWorklet(ac, 'crush-processor', { crush: fx.crush });
+      fxNodes['crush'] = [crushNode];
+      chain.connect(crushNode);
+    }
+    if (fx.shape !== undefined) {
+      const shapeNode = getWorklet(ac, 'shape-processor', { shape: fx.shape, postgain: shapevol });
+      fxNodes['shape'] = [shapeNode];
+      chain.connect(shapeNode);
+    }
+    if (fx.distort !== undefined) {
+      const distortNode = getDistortion(fx.distort, distortvol, distorttype);
+      fxNodes['distort'] = [distortNode];
+      chain.connect(distortNode);
+    }
+
+    let tremolo = fx.tremolo;
+    if (fx.tremolosync != null) {
+      tremolo = cps * fx.tremolosync;
+    }
+
+    if (tremolo !== undefined) {
+      // Allow clipping of modulator for more dynamic possiblities, and to prevent speaker overload
+      // EX:  a triangle waveform will clip like this /-\ when the depth is above 1
+      const gain = Math.max(1 - tremolodepth, 0);
+      const amGain = new GainNode(ac, { gain });
+
+      const time = cycle / cps;
+      const lfo = getLfo(ac, {
+        skew: fx.tremoloskew ?? (fx.tremoloshape != null ? 0.5 : 1),
+        frequency: tremolo,
+        depth: tremolodepth,
+        time,
+        dcoffset: 0,
+        shape: fx.tremoloshape,
+        phaseoffset: fx.tremolophase,
+        min: 0,
+        max: 1,
+        curve: 1.5,
+        begin: t,
+        end: endWithRelease,
+      });
+      fxNodes['tremolo'] = [lfo];
+      fxNodes['tremolo_gain'] = [amGain];
+      lfo.connect(amGain.gain);
+      chain.audioNodes.push(lfo);
+      chain.connect(amGain);
+    }
+
+    if (fx.compressor !== undefined) {
+      const compressorNode = getCompressor(
+        ac,
+        fx.compressor,
+        fx.compressorRatio,
+        fx.compressorKnee,
+        fx.compressorAttack,
+        fx.compressorRelease,
+      );
+      fxNodes['compressor'] = [compressorNode];
+      chain.connect(compressorNode);
+    }
+
+    // panning
+    if (fx.pan !== undefined) {
+      const panner = ac.createStereoPanner();
+      panner.pan.value = 2 * fx.pan - 1;
+      chain.connect(panner);
+    }
+    // phaser
+    if (fx.phaserrate !== undefined && phaserdepth > 0) {
+      const { filterChain, lfo } = getPhaser(
+        t,
+        endWithRelease,
+        fx.phaserrate,
+        phaserdepth,
+        fx.phasercenter,
+        fx.phasersweep,
+      );
+      fxNodes['phaser'] = [...filterChain];
+      fxNodes['phaser_lfo'] = [lfo];
+      filterChain.forEach((f) => chain.connect(f));
+      chain.audioNodes.push(lfo);
+    }
+    // delay
+    if (key !== 'main' && delay > 0 && delaytime > 0 && delayfeedback > 0) {
+      const dry = gainNode(1);
+      delayfeedback = clamp(delayfeedback, 0, 0.98);
+      const delayNode = ac.createFeedbackDelay(1, delaytime, delayfeedback);
+      const wetDelay = gainNode(delay);
+      const dryDelay = gainNode(fx.dry ?? 1);
+      const sum = new GainNode(ac, { gain: 1, channelCount: 2, channelCountMode: 'explicit' });
+      chain
+        .connect(dry)
+        .connect(dryDelay, delayNode)
+        .connectOne(1, wetDelay) // connect delayNode -> wetDelay
+        .connect(sum);
+      chain.audioNodes.push(delayNode.feedbackGain, delayNode.delayGain);
+      fxNodes['delay'] = [delayNode];
+      fxNodes['delay_mix'] = [wetDelay];
+    }
+    // reverb
+    if (key !== 'main' && fx.room > 0) {
+      let roomIR;
+      if (fx.ir !== undefined) {
+        let url;
+        let sample = getSound(fx.ir);
+        if (Array.isArray(sample)) {
+          url = sample.data.samples[fx.i % sample.data.samples.length];
+        } else if (typeof sample === 'object') {
+          url = Object.values(sample.data.samples).flat()[i % Object.values(sample.data.samples).length];
+        }
+        roomIR = await loadBuffer(url, ac, fx.ir, 0);
+      }
+      const dry = gainNode(1);
+      const reverbNode = ac.createReverb(
+        fx.roomsize,
+        fx.roomfade,
+        fx.roomlp,
+        fx.roomdim,
+        roomIR,
+        fx.irspeed,
+        fx.irbegin,
+      );
+      const wetReverb = gainNode(fx.room);
+      const dryReverb = gainNode(fx.dry ?? 1);
+      const sum = new GainNode(ac, { gain: 1, channelCount: 2, channelCountMode: 'explicit' });
+      chain
+        .connect(dry)
+        .connect(dryReverb, reverbNode)
+        .connectOne(1, wetReverb) // connect reverbNode -> wetReverb
+        .connect(sum);
+      fxNodes['room'] = [reverbNode];
+      fxNodes['room_mix'] = [wetReverb];
     }
   }
 
-  if (value.hcutoff !== undefined) {
+  if (FXrelease !== undefined && FXrelease > release) {
-    const hpMap = {
+    const releaseNode = gainNode(1);
-      frequency: 'hcutoff',
+    releaseNode.gain.setValueAtTime(1, end + release);
-      q: 'hresonance',
+    releaseNode.gain.linearRampToValueAtTime(0, endWithRelease);
-      attack: 'hpattack',
+    chain.connect(releaseNode);
-      decay: 'hpdecay',
-      sustain: 'hpsustain',
-      release: 'hprelease',
-      env: 'hpenv',
-      anchor: 'fanchor',
-      model: 'ftype',
-      drive: 'drive',
-      rate: 'hprate',
-      sync: 'hpsync',
-      depth: 'hpdepth',
-      depthfrequency: 'hpdepthfrequency',
-      shape: 'hpshape',
-      dcoffset: 'hpdc',
-      skew: 'hpskew',
-    };
-    const hpParams = pickAndRename(value, hpMap);
-    hpParams.type = 'highpass';
-    const { filter: hpf1, lfo: lfo1 } = filt(hpParams);
-    nodes['hpf'] = [hpf1];
-    nodes['hpf_lfo'] = [lfo1];
-    lfo1 && audioNodes.push(lfo1);
-    chain.push(hpf1);
-    if (ftype === '24db') {
-      const { filter: hpf2, lfo: lfo2 } = filt(hpParams);
-      nodes['hpf'].push(hpf2);
-      nodes['hpf_lfo'].push(lfo2);
-      chain.push(hpf2);
-      lfo2 && audioNodes.push(lfo2);
-    }
-  }
-
-  if (value.bandf !== undefined) {
-    const bpMap = {
-      frequency: 'bandf',
-      q: 'bandq',
-      attack: 'bpattack',
-      decay: 'bpdecay',
-      sustain: 'bpsustain',
-      release: 'bprelease',
-      env: 'bpenv',
-      anchor: 'fanchor',
-      model: 'ftype',
-      drive: 'drive',
-      rate: 'bprate',
-      sync: 'bpsync',
-      depth: 'bpdepth',
-      depthfrequency: 'bpdepthfrequency',
-      shape: 'bpshape',
-      dcoffset: 'bpdc',
-      skew: 'bpskew',
-    };
-    const bpParams = pickAndRename(value, bpMap);
-    bpParams.type = 'bandpass';
-    const { filter: bpf1, lfo: lfo1 } = filt(bpParams);
-    nodes['bpf'] = [bpf1];
-    nodes['bpf_lfo'] = [lfo1];
-    chain.push(bpf1);
-    lfo1 && audioNodes.push(lfo1);
-    if (ftype === '24db') {
-      const { filter: bpf2, lfo: lfo2 } = filt(bpParams);
-      nodes['bpf'].push(bpf2);
-      nodes['bpf_lfo'].push(lfo2);
-      chain.push(bpf2);
-      lfo2 && audioNodes.push(lfo2);
-    }
-  }
-
-  if (vowel !== undefined) {
-    const vowelFilter = ac.createVowelFilter(vowel);
-    nodes['vowel'] = [vowelFilter];
-    chain.push(vowelFilter);
-  }
-
-  // effects
-  if (coarse !== undefined) {
-    const coarseNode = getWorklet(ac, 'coarse-processor', { coarse });
-    nodes['coarse'] = [coarseNode];
-    chain.push(coarseNode);
-  }
-  if (crush !== undefined) {
-    const crushNode = getWorklet(ac, 'crush-processor', { crush });
-    nodes['crush'] = [crushNode];
-    chain.push(crushNode);
-  }
-  if (shape !== undefined) {
-    const shapeNode = getWorklet(ac, 'shape-processor', { shape, postgain: shapevol });
-    nodes['shape'] = [shapeNode];
-    chain.push(shapeNode);
-  }
-  if (distort !== undefined) {
-    const distortNode = getDistortion(distort, distortvol, distorttype);
-    nodes['distort'] = [distortNode];
-    chain.push(distortNode);
-  }
-
-  if (tremolosync != null) {
-    tremolo = cps * tremolosync;
-  }
-
-  if (value.wtPosSynced != null) {
-    value.wtPosRate /= cps;
-  }
-
-  if (value.wtWarpSynced != null) {
-    value.wtWarpRate /= cps;
-  }
-
-  if (tremolo !== undefined) {
-    // Allow clipping of modulator for more dynamic possiblities, and to prevent speaker overload
-    // EX:  a triangle waveform will clip like this /-\ when the depth is above 1
-    const gain = Math.max(1 - tremolodepth, 0);
-    const amGain = new GainNode(ac, { gain });
-
-    const time = cycle / cps;
-    const lfo = getLfo(ac, {
-      skew: tremoloskew ?? (tremoloshape != null ? 0.5 : 1),
-      frequency: tremolo,
-      depth: tremolodepth,
-      time,
-      dcoffset: 0,
-      shape: tremoloshape,
-      phaseoffset: tremolophase,
-      min: 0,
-      max: 1,
-      curve: 1.5,
-      begin: t,
-      end: endWithRelease,
-    });
-    nodes['tremolo'] = [lfo];
-    nodes['tremolo_gain'] = [amGain];
-    lfo.connect(amGain.gain);
-    audioNodes.push(lfo);
-    chain.push(amGain);
-  }
-
-  if (compressorThreshold !== undefined) {
-    const compressorNode = getCompressor(
-      ac,
-      compressorThreshold,
-      compressorRatio,
-      compressorKnee,
-      compressorAttack,
-      compressorRelease,
-    );
-    nodes['compressor'] = [compressorNode];
-    chain.push(compressorNode);
-  }
-
-  // panning
-  if (pan !== undefined) {
-    const panner = ac.createStereoPanner();
-    panner.pan.value = 2 * pan - 1;
-    chain.push(panner);
-  }
-  // phaser
-  if (phaserrate !== undefined && phaserdepth > 0) {
-    const { filterChain, lfo } = getPhaser(t, endWithRelease, phaserrate, phaserdepth, phasercenter, phasersweep);
-    nodes['phaser'] = [...filterChain];
-    nodes['phaser_lfo'] = [lfo];
-    chain.push(...filterChain);
-    audioNodes.push(lfo);
   }
 
   // last gain
   const post = new GainNode(ac, { gain: postgain });
-  nodes['post'] = [post];
+  nodes.main['post'] = [post];
-  chain.push(post);
+  chain.connect(post);
 
   // delay
   if (delay > 0 && delaytime > 0 && delayfeedback > 0) {
     const delayNode = orbitBus.getDelay(delaytime, delayfeedback, t);
-    nodes['delay'] = [delayNode];
+    nodes.main['delay'] = [delayNode];
     const delaySend = orbitBus.sendDelay(post, delay);
-    nodes['delay_mix'] = [delaySend];
+    nodes.main['delay_mix'] = [delaySend];
-    audioNodes.push(delaySend);
+    chain.audioNodes.push(delaySend);
   }
   // reverb
   if (room > 0) {
@@ -838,81 +926,83 @@ export const superdough = async (value, t, hapDuration, cps = 0.5, cycle = 0.5)
       roomIR = await loadBuffer(url, ac, ir, 0);
     }
     const roomNode = orbitBus.getReverb(roomsize, roomfade, roomlp, roomdim, roomIR, irspeed, irbegin);
-    nodes['room'] = [roomNode];
+    nodes.main['room'] = [roomNode];
     const reverbSend = orbitBus.sendReverb(post, room);
-    nodes['room_mix'] = [reverbSend];
+    nodes.main['room_mix'] = [reverbSend];
-    audioNodes.push(reverbSend);
+    chain.audioNodes.push(reverbSend);
   }
   if (bus != null) {
     const busNode = audioController.getBus(bus);
     const busSend = effectSend(post, busNode, busgain);
-    audioNodes.push(busSend);
+    chain.audioNodes.push(busSend);
   }
 
   if (djf != null) {
     const djfNode = orbitBus.getDjf(djf, t);
-    nodes['djf'] = [djfNode];
+    nodes.main['djf'] = [djfNode];
   }
 
   // analyser
   if (analyze && !(ac instanceof OfflineAudioContext)) {
     const analyserNode = getAnalyserById(analyze, 2 ** (fft + 5));
     const analyserSend = effectSend(post, analyserNode, 1);
-    audioNodes.push(analyserSend);
+    chain.audioNodes.push(analyserSend);
   }
   if (dry != null) {
     dry = applyGainCurve(dry);
     const dryGain = new GainNode(ac, { gain: dry });
-    chain.push(dryGain);
+    chain.connect(dryGain);
     orbitBus.connectToOutput(dryGain);
   } else {
     orbitBus.connectToOutput(post);
   }
 
-  // connect chain elements together
-  chain.slice(1).reduce((last, current) => last.connect(current), chain[0]);
-  audioNodes.push(...chain);
-
   // finally, now that `nodes` is populated, set up modulators
-  if (value.lfo) {
+  FX.forEach((fx, idx) => {
-    for (const id of value.lfo.__ids) {
+    const key = idx === FX.length - 1 ? 'main' : idx;
-      const params = value.lfo[id];
+    if (fx.lfo) {
-      const lfo = connectLFO(
+      for (const id of fx.lfo.__ids) {
-        id,
+        const params = fx.lfo[id];
-        {
+        params.fxi ??= key;
-          ...params,
+        const lfo = connectLFO(
-          cps,
+          id,
-          cycle,
+          {
-          begin: t,
+            ...params,
-          end: endWithRelease,
+            cps,
-        },
+            cycle,
-        nodes,
+            begin: t,
-      );
+            end: endWithRelease,
-      lfo && audioNodes.push(lfo);
+          },
+          nodes,
+        );
+        lfo && chain.audioNodes.push(lfo);
+      }
     }
-  }
+    if (fx.env) {
-  if (value.env) {
+      for (const id of fx.env.__ids) {
-    for (const id of value.env.__ids) {
+        const params = fx.env[id];
-      const params = value.env[id];
+        params.fxi ??= key;
-      const env = connectEnvelope(
+        const env = connectEnvelope(
-        id,
+          id,
-        {
+          {
-          ...params,
+            ...params,
-          begin: t,
+            begin: t,
-          end: endWithRelease,
+            end: endWithRelease,
-        },
+          },
-        nodes,
+          nodes,
-      );
+        );
-      env && audioNodes.push(env);
+        env && chain.audioNodes.push(env);
+      }
     }
-  }
+    if (fx.bmod) {
-  if (value.bmod) {
+      for (const id of fx.bmod.__ids) {
-    for (const id of value.bmod.__ids) {
+        const params = fx.bmod[id];
-      const params = value.bmod[id];
+        params.fxi ??= key;
-      const { toCleanup } = connectBusModulator({ ...params, begin: t, end: endWithRelease }, nodes, controller);
+        const { toCleanup } = connectBusModulator({ ...params, begin: t, end: endWithRelease }, nodes, controller);
-      audioNodes.push(...toCleanup);
+        chain.audioNodes.push(...toCleanup);
+      }
     }
-  }
+  });
 };
 
 export const superdoughTrigger = (t, hap, ct, cps) => {

packages/superdough/superdoughdata.mjs

@@ -87,7 +87,7 @@ const CONTROL_TARGETS = {
   compressorRelease: { node: 'compressor', param: 'release' },
 
   // PHASER
-  phaserrate: { node: 'phaser_lfo', param: 'rate' },
+  phaserrate: { node: 'phaser_lfo', param: 'frequency' },
   phasersweep: { node: 'phaser_lfo', param: 'depth' },
   phasercenter: { node: 'phaser', param: 'frequency' },
   phaserdepth: { node: 'phaser', param: 'Q' },

packages/superdough/vowel.mjs

@@ -1,3 +1,5 @@
+import { releaseAudioNode } from './helpers.mjs';
+
 // credits to webdirt: https://github.com/dktr0/WebDirt/blob/41342e81d6ad694a2310d491fef7b7e8b0929efe/js-src/Graph.js#L597
 export var vowelFormant = {
   a: { freqs: [660, 1120, 2750, 3000, 3350], gains: [1, 0.5012, 0.0708, 0.0631, 0.0126], qs: [80, 90, 120, 130, 140] },
@@ -46,7 +48,8 @@ if (typeof GainNode !== 'undefined') {
       }
       const { gains, qs, freqs } = vowelFormant[letter];
       this.makeupGain = ac.createGain();
-      this.audioNodes = [];
+      this.filters = [];
+      this.gains = [];
       for (let i = 0; i < 5; i++) {
         const gain = ac.createGain();
         gain.gain.value = gains[i];
@@ -56,9 +59,9 @@ if (typeof GainNode !== 'undefined') {
         filter.frequency.value = freqs[i];
         super.connect(filter);
         filter.connect(gain);
-        this.audioNodes.push(filter);
+        this.filters.push(filter);
         gain.connect(this.makeupGain);
-        this.audioNodes.push(gain);
+        this.gains.push(gain);
       }
       this.makeupGain.gain.value = 8; // how much makeup gain to add?
       return this;
@@ -67,11 +70,13 @@ if (typeof GainNode !== 'undefined') {
       this.makeupGain.connect(target);
     }
     disconnect() {
-      this.makeupGain.disconnect();
+      releaseAudioNode(this.makeupGain);
-      this.audioNodes.forEach((n) => n.disconnect());
+      this.filters.forEach(releaseAudioNode);
+      this.gains.forEach(releaseAudioNode);
       super.disconnect();
       this.makeupGain = null;
-      this.audioNodes = null;
+      this.filters = null;
+      this.gains = null;
     }
   }
 

test/__snapshots__/examples.test.mjs.snap

@@ -565,6 +565,52 @@ exports[`runs examples > example "_euclidRot" example index 20 1`] = `
 ]
 `;
 
+exports[`runs examples > example "FX" example index 0 1`] = `
+[
+  "[ 0/1 → 1/8 | s:sbd decay:0.4 FX:[{phaserrate:0.5 gain:2} {bandf:800} {distort:1.3} {room:0.2} {delay:0.5 gain:1.25} {distort:0.3}] FXrelease:1.7 ]",
+  "[ 1/8 → 1/4 | s:hh decay:0.4 FX:[{phaserrate:0.5 gain:2} {bandf:800} {distort:1.3} {room:0.2} {delay:0.5 gain:1.25} {distort:0.3}] FXrelease:1.7 ]",
+  "[ 1/4 → 3/8 | s:sbd decay:0.4 FX:[{phaserrate:0.5 gain:2} {bandf:800} {distort:1.3} {room:0.2} {delay:0.5 gain:1.25} {distort:0.3}] FXrelease:1.7 ]",
+  "[ 3/8 → 1/2 | s:bd decay:0.4 FX:[{phaserrate:0.5 gain:2} {bandf:800} {distort:1.3} {room:0.2} {delay:0.5 gain:1.25} {distort:0.3}] FXrelease:1.7 ]",
+  "[ 1/2 → 5/8 | s:sbd decay:0.4 FX:[{phaserrate:0.5 gain:2} {bandf:800} {distort:1.3} {room:0.2} {delay:0.5 gain:1.25} {distort:0.3}] FXrelease:1.7 ]",
+  "[ 5/8 → 3/4 | s:hh decay:0.4 FX:[{phaserrate:0.5 gain:2} {bandf:800} {distort:1.3} {room:0.2} {delay:0.5 gain:1.25} {distort:0.3}] FXrelease:1.7 ]",
+  "[ 3/4 → 7/8 | s:sbd decay:0.4 FX:[{phaserrate:0.5 gain:2} {bandf:800} {distort:1.3} {room:0.2} {delay:0.5 gain:1.25} {distort:0.3}] FXrelease:1.7 ]",
+  "[ 7/8 → 1/1 | s:lt decay:0.4 FX:[{phaserrate:0.5 gain:2} {bandf:800} {distort:1.3} {room:0.2} {delay:0.5 gain:1.25} {distort:0.3}] FXrelease:1.7 ]",
+  "[ 1/1 → 9/8 | s:sbd decay:0.4 FX:[{phaserrate:0.5 gain:2} {bandf:800} {distort:1.3} {room:0.2} {delay:0.5 gain:1.25} {distort:0.3}] FXrelease:1.7 ]",
+  "[ 9/8 → 5/4 | s:hh decay:0.4 FX:[{phaserrate:0.5 gain:2} {bandf:800} {distort:1.3} {room:0.2} {delay:0.5 gain:1.25} {distort:0.3}] FXrelease:1.7 ]",
+  "[ 5/4 → 11/8 | s:sbd decay:0.4 FX:[{phaserrate:0.5 gain:2} {bandf:800} {distort:1.3} {room:0.2} {delay:0.5 gain:1.25} {distort:0.3}] FXrelease:1.7 ]",
+  "[ 11/8 → 3/2 | s:oh decay:0.4 FX:[{phaserrate:0.5 gain:2} {bandf:800} {distort:1.3} {room:0.2} {delay:0.5 gain:1.25} {distort:0.3}] FXrelease:1.7 ]",
+  "[ 3/2 → 13/8 | s:sbd decay:0.4 FX:[{phaserrate:0.5 gain:2} {bandf:800} {distort:1.3} {room:0.2} {delay:0.5 gain:1.25} {distort:0.3}] FXrelease:1.7 ]",
+  "[ 13/8 → 7/4 | s:hh decay:0.4 FX:[{phaserrate:0.5 gain:2} {bandf:800} {distort:1.3} {room:0.2} {delay:0.5 gain:1.25} {distort:0.3}] FXrelease:1.7 ]",
+  "[ 7/4 → 15/8 | s:sbd decay:0.4 FX:[{phaserrate:0.5 gain:2} {bandf:800} {distort:1.3} {room:0.2} {delay:0.5 gain:1.25} {distort:0.3}] FXrelease:1.7 ]",
+  "[ 15/8 → 2/1 | s:bd decay:0.4 FX:[{phaserrate:0.5 gain:2} {bandf:800} {distort:1.3} {room:0.2} {delay:0.5 gain:1.25} {distort:0.3}] FXrelease:1.7 ]",
+  "[ 2/1 → 17/8 | s:sbd decay:0.4 FX:[{phaserrate:0.5 gain:2} {bandf:800} {distort:1.3} {room:0.2} {delay:0.5 gain:1.25} {distort:0.3}] FXrelease:1.7 ]",
+  "[ 17/8 → 9/4 | s:hh decay:0.4 FX:[{phaserrate:0.5 gain:2} {bandf:800} {distort:1.3} {room:0.2} {delay:0.5 gain:1.25} {distort:0.3}] FXrelease:1.7 ]",
+  "[ 9/4 → 19/8 | s:sbd decay:0.4 FX:[{phaserrate:0.5 gain:2} {bandf:800} {distort:1.3} {room:0.2} {delay:0.5 gain:1.25} {distort:0.3}] FXrelease:1.7 ]",
+  "[ 19/8 → 5/2 | s:bd decay:0.4 FX:[{phaserrate:0.5 gain:2} {bandf:800} {distort:1.3} {room:0.2} {delay:0.5 gain:1.25} {distort:0.3}] FXrelease:1.7 ]",
+  "[ 5/2 → 21/8 | s:sbd decay:0.4 FX:[{phaserrate:0.5 gain:2} {bandf:800} {distort:1.3} {room:0.2} {delay:0.5 gain:1.25} {distort:0.3}] FXrelease:1.7 ]",
+  "[ 21/8 → 11/4 | s:hh decay:0.4 FX:[{phaserrate:0.5 gain:2} {bandf:800} {distort:1.3} {room:0.2} {delay:0.5 gain:1.25} {distort:0.3}] FXrelease:1.7 ]",
+  "[ 11/4 → 23/8 | s:sbd decay:0.4 FX:[{phaserrate:0.5 gain:2} {bandf:800} {distort:1.3} {room:0.2} {delay:0.5 gain:1.25} {distort:0.3}] FXrelease:1.7 ]",
+  "[ 23/8 → 3/1 | s:bd decay:0.4 FX:[{phaserrate:0.5 gain:2} {bandf:800} {distort:1.3} {room:0.2} {delay:0.5 gain:1.25} {distort:0.3}] FXrelease:1.7 ]",
+  "[ 3/1 → 25/8 | s:sbd decay:0.4 FX:[{phaserrate:0.5 gain:2} {bandf:800} {distort:1.3} {room:0.2} {delay:0.5 gain:1.25} {distort:0.3}] FXrelease:1.7 ]",
+  "[ 25/8 → 13/4 | s:hh decay:0.4 FX:[{phaserrate:0.5 gain:2} {bandf:800} {distort:1.3} {room:0.2} {delay:0.5 gain:1.25} {distort:0.3}] FXrelease:1.7 ]",
+  "[ 13/4 → 27/8 | s:sbd decay:0.4 FX:[{phaserrate:0.5 gain:2} {bandf:800} {distort:1.3} {room:0.2} {delay:0.5 gain:1.25} {distort:0.3}] FXrelease:1.7 ]",
+  "[ 27/8 → 7/2 | s:lt decay:0.4 FX:[{phaserrate:0.5 gain:2} {bandf:800} {distort:1.3} {room:0.2} {delay:0.5 gain:1.25} {distort:0.3}] FXrelease:1.7 ]",
+  "[ 7/2 → 29/8 | s:sbd decay:0.4 FX:[{phaserrate:0.5 gain:2} {bandf:800} {distort:1.3} {room:0.2} {delay:0.5 gain:1.25} {distort:0.3}] FXrelease:1.7 ]",
+  "[ 29/8 → 15/4 | s:hh decay:0.4 FX:[{phaserrate:0.5 gain:2} {bandf:800} {distort:1.3} {room:0.2} {delay:0.5 gain:1.25} {distort:0.3}] FXrelease:1.7 ]",
+  "[ 15/4 → 31/8 | s:sbd decay:0.4 FX:[{phaserrate:0.5 gain:2} {bandf:800} {distort:1.3} {room:0.2} {delay:0.5 gain:1.25} {distort:0.3}] FXrelease:1.7 ]",
+  "[ 31/8 → 4/1 | s:bd decay:0.4 FX:[{phaserrate:0.5 gain:2} {bandf:800} {distort:1.3} {room:0.2} {delay:0.5 gain:1.25} {distort:0.3}] FXrelease:1.7 ]",
+]
+`;
+
+exports[`runs examples > example "FX" example index 1 1`] = `
+[
+  "[ 0/1 → 1/1 | s:saw fmi:0.5 delay:0.3 FX:[{coarse:4} {cutoff:500 lpenv:4 lpattack:1 lpdecay:2} {distort:1}] ]",
+  "[ 1/1 → 2/1 | s:saw fmi:0.5 delay:0.3 FX:[{coarse:4} {cutoff:500 lpenv:4 lpattack:1 lpdecay:2} {distort:1}] ]",
+  "[ 2/1 → 3/1 | s:saw fmi:0.5 delay:0.3 FX:[{coarse:4} {cutoff:500 lpenv:4 lpattack:1 lpdecay:2} {distort:1}] ]",
+  "[ 3/1 → 4/1 | s:saw fmi:0.5 delay:0.3 FX:[{coarse:4} {cutoff:500 lpenv:4 lpattack:1 lpdecay:2} {distort:1}] ]",
+]
+`;
+
 exports[`runs examples > example "accelerate" example index 0 1`] = `
 [
   "[ 0/1 → 2/1 | s:sax accelerate:0 ]",