Use errorLogger for query and tonal errors

Reviewed-on: https://codeberg.org/uzu/strudel/pulls/1769

packages/codemirror/codemirror.mjs

@@ -162,7 +162,6 @@ export class StrudelMirror {
     this.onDraw = onDraw || this.draw;
     this.id = id || s4();
     this.solo = solo;
-    this.hasPainters = false;
 
     this.drawer = new Drawer((haps, time, _, painters) => {
       const currentFrame = haps.filter((hap) => hap.isActive(time));
@@ -178,7 +177,7 @@ export class StrudelMirror {
       onToggle: (started) => {
         replOptions?.onToggle?.(started);
         if (started) {
-          this.shouldAnimate() && this.drawer.start(this.repl.scheduler);
+          this.drawer.start(this.repl.scheduler);
           if (this.solo) {
             // stop other repls when this one is started
             document.dispatchEvent(
@@ -208,10 +207,9 @@ export class StrudelMirror {
         updateWidgets(this.editor, widgets);
         updateMiniLocations(this.editor, this.miniLocations);
         replOptions?.afterEval?.(options);
-        this.hasPainters = options.pattern.getPainters().length > 0;
         // if no painters are set (.onPaint was not called), then we only need
         // the present moment (for highlighting)
-        const drawTime = this.hasPainters ? this.drawTime : [0, 0];
+        const drawTime = options.pattern.getPainters().length ? this.drawTime : [0, 0];
         this.drawer.setDrawTime(drawTime);
         // invalidate drawer after we've set the appropriate drawTime
         this.drawer.invalidate(this.repl.scheduler);
@@ -239,7 +237,6 @@ export class StrudelMirror {
       cmEditor.style.backgroundColor = 'transparent';
     }
     const settings = codemirrorSettings.get();
-    this.isPatternHighlightingEnabled = parseBooleans(settings.isPatternHighlightingEnabled);
     this.setFontSize(settings.fontSize);
     this.setFontFamily(settings.fontFamily);
 
@@ -324,17 +321,8 @@ export class StrudelMirror {
     flash(this.editor, ms);
   }
   highlight(haps, time) {
-    if (!this.isPatternHighlightingEnabled) {
-      return;
-    }
     highlightMiniLocations(this.editor, time, haps);
   }
-  shouldAnimate() {
-    return (
-      this.repl.scheduler.started &&
-      (this.isPatternHighlightingEnabled || this.hasPainters || this.onDraw !== this.draw)
-    );
-  }
   setFontSize(size) {
     this.root.style.fontSize = size + 'px';
   }
@@ -355,11 +343,6 @@ export class StrudelMirror {
     this.editor.dispatch({
       effects: compartments[key].reconfigure(newValue),
     });
-    if (key === 'isPatternHighlightingEnabled') {
-      this.isPatternHighlightingEnabled = value;
-      this.drawer.stop();
-      this.shouldAnimate() && this.drawer.start(this.repl.scheduler);
-    }
     if (key === 'theme') {
       activateTheme(value);
     }

packages/core/controls.mjs

@@ -1294,6 +1294,8 @@ export const { fanchor } = registerControl('fanchor');
  *
  * @name lprate
  * @param {number | Pattern} rate rate in hertz
+ * @example
+ * note("<c c c# c c c4>*16").s("sawtooth").lpf(600).lprate("<4 8 2 1>")
  */
 export const { lprate } = registerControl('lprate');
 
@@ -1302,6 +1304,8 @@ export const { lprate } = registerControl('lprate');
  *
  * @name lpsync
  * @param {number | Pattern} rate rate in cycles
+ * @example
+ * note("<c c c# c c c4>*16").s("sawtooth").lpf(600).lpsync("<4 8 2 1>")
  */
 export const { lpsync } = registerControl('lpsync');
 
@@ -1310,8 +1314,23 @@ export const { lpsync } = registerControl('lpsync');
  *
  * @name lpdepth
  * @param {number | Pattern} depth depth of modulation
+ * @example
+ * note("<c c c# c c c4>*16").s("sawtooth").lpf(600).lpdepth("<1 .5 1.8 0>")
  */
+
 export const { lpdepth } = registerControl('lpdepth');
+/**
+ * Depth of the LFO for the lowpass filter, in HZ
+ *
+ * @name lpdepthfrequency
+ * @synonyms
+ * lpdethfreq
+ * @param {number | Pattern} depth depth of modulation
+ * @example
+ * note("<c c c# c c c4>*16").s("sawtooth").lpf(600).lpdepthfrequency("<200 500 100 0>")
+ */
+
+export const { lpdepthfrequency } = registerControl('lpdepthfrequency', 'lpdepthfreq');
 
 /**
  * Shape of the LFO for the lowpass filter
@@ -1361,6 +1380,19 @@ export const { bpsync } = registerControl('bpsync');
  */
 export const { bpdepth } = registerControl('bpdepth');
 
+/**
+ * Depth of the LFO for the bandpass filter, in HZ
+ *
+ * @name bpdepthfrequency
+ * @synonyms
+ * bpdethfreq
+ * @param {number | Pattern} depth depth of modulation
+ * @example
+ * note("<c c c# c c c4>*16").s("sawtooth").lpf(600).bpdepthfrequency("<200 500 100 0>")
+ */
+
+export const { bpdepthfrequency } = registerControl('bpdepthfrequency', 'bpdepthfreq');
+
 /**
  * Shape of the LFO for the bandpass filter
  *
@@ -1407,7 +1439,20 @@ export const { hpsync } = registerControl('hpsync');
  * @name hpdepth
  * @param {number | Pattern} depth depth of modulation
  */
-export const { hpdepth } = registerControl('hpdepth');
+export const { hpdepth, hpdepthfreq } = registerControl('hpdepth');
+
+/**
+ * Depth of the LFO for the hipass filter, in hz
+ *
+ * @name hpdepthfrequency
+ * @synonyms
+ * hpdethfreq
+ * @param {number | Pattern} depth depth of modulation
+ * @example
+ * note("<c c c# c c c4>*16").s("sawtooth").lpf(600).hpdepthfrequency("<200 500 100 0>")
+ */
+
+export const { hpdepthfrequency } = registerControl('hpdepthfrequency', 'hpdepthfreq');
 
 /**
  * Shape of the LFO for the highpass filter
@@ -1833,6 +1878,7 @@ export const { octave } = registerControl('octave');
  * An `orbit` is a global parameter context for patterns. Patterns with the same orbit will share the same global effects.
  *
  * @name orbit
+ * @synonyms o
  * @param {number | Pattern} number
  * @example
  * stack(
@@ -1840,7 +1886,7 @@ export const { octave } = registerControl('octave');
  *   s("~ sd ~ sd").delay(.5).delaytime(.125).orbit(2)
  * )
  */
-export const { orbit } = registerControl('orbit');
+export const { orbit } = registerControl('orbit', 'o');
 // TODO: what is this? not found in tidal doc Answer: gain is limited to maximum of 2. This allows you to go over that
 export const { overgain } = registerControl('overgain');
 // TODO: what is this? not found in tidal doc. Similar to above, but limited to 1

packages/core/fraction.mjs

@@ -91,9 +91,6 @@ Fraction.prototype.or = function (other) {
 };
 
 const fraction = (n) => {
-  if (n instanceof Fraction) {
-    return n;
-  }
   if (typeof n === 'number') {
     /*
     https://github.com/infusion/Fraction.js/#doubles

packages/core/pattern.mjs

@@ -25,7 +25,7 @@ import {
   stringifyValues,
 } from './util.mjs';
 import drawLine from './drawLine.mjs';
-import { logger } from './logger.mjs';
+import { errorLogger, logger } from './logger.mjs';
 
 let stringParser;
 
@@ -414,7 +414,7 @@ export class Pattern {
     try {
       return this.query(new State(new TimeSpan(begin, end), controls));
     } catch (err) {
-      logger(`[query]: ${err.message}`, 'error');
+      errorLogger(err, 'query');
       return [];
     }
   }

packages/core/repl.mjs

@@ -238,8 +238,8 @@ export function repl({
         pattern = eachTransform(pattern);
       }
       if (allTransforms.length) {
-        for (let i in allTransforms) {
+        for (const transform of allTransforms) {
-          pattern = allTransforms[i](pattern);
+          pattern = transform(pattern);
         }
       }
 

packages/core/util.mjs

@@ -253,12 +253,7 @@ export const pairs = function (xs) {
   return result;
 };
 
-// Optimized clamp (~1.7x faster than Math.max/min approach)
+export const clamp = (num, min, max) => Math.min(Math.max(num, min), max);
-export const clamp = (num, min, max) => {
-  if (num < min) return min;
-  if (num > max) return max;
-  return num;
-};
 
 /* solmization, not used yet */
 const solfeggio = ['Do', 'Reb', 'Re', 'Mib', 'Mi', 'Fa', 'Solb', 'Sol', 'Lab', 'La', 'Sib', 'Si']; /*solffegio notes*/

packages/superdough/helpers.mjs

@@ -36,27 +36,6 @@ export function getWorklet(ac, processor, params, config) {
   return node;
 }
 
-// Pool of inactive (weakly referenced) voices to be reused if possible
-const voicePools = {};
-
-// Cycles through the pool attempting to find an inactive voice that hasn't been GC'd
-export const claimVoice = (key) => {
-  voicePools[key] ??= [];
-  const pool = voicePools[key];
-  let node;
-  while (pool.length && !node) {
-    const ref = pool.pop();
-    node = ref?.deref?.();
-  }
-  return node;
-};
-
-// Releases a voice from use and adds to the inactive pool
-export const releaseVoice = (key, node) => {
-  voicePools[key] ??= [];
-  voicePools[key].push(new WeakRef(node));
-};
-
 export const getParamADSR = (
   param,
   attack,
@@ -212,8 +191,7 @@ export function applyParameterModulators(audioContext, param, start, end, envelo
   const lfo = getParamLfo(audioContext, param, start, end, lfoValues);
   return { lfo, disconnect: () => lfo?.disconnect() };
 }
-
+export function createFilter(context, start, end, params, cps, cycle) {
-export function createFilter(context, start, end, params, cps) {
   let {
     frequency,
     anchor,
@@ -223,12 +201,14 @@ export function createFilter(context, start, end, params, cps) {
     q = 1,
     drive = 0.69,
     depth,
+    depthfrequency,
     dcoffset = -0.5,
     skew,
     shape,
     rate,
     sync,
   } = params;
+
   let frequencyParam, filter;
   if (model === 'ladder') {
     filter = getWorklet(context, 'ladder-processor', { frequency, q, drive });
@@ -259,8 +239,25 @@ export function createFilter(context, start, end, params, cps) {
   if (sync != null) {
     rate = cps * sync;
   }
-  const lfoValues = { depth, dcoffset, skew, shape, frequency: rate, min: 10, max: 20000 };
+  const hasLFO = [depth, depthfrequency, skew, shape, rate].some((v) => v !== undefined);
-  getParamLfo(context, frequencyParam, start, end, lfoValues);
+  if (hasLFO) {
+    depth = depth ?? 1;
+    const time = cycle / cps;
+    const modDepth = depthfrequency ?? (depth ?? 1) * frequency;
+    const lfoValues = {
+      depth: modDepth,
+      dcoffset,
+      skew,
+      shape,
+      frequency: rate ?? cps,
+      min: -frequency + 30,
+      max: 20000 - frequency,
+      time,
+      curve: 1,
+    };
+    getParamLfo(context, frequencyParam, start, end, lfoValues);
+  }
+
   return filter;
 }
 
@@ -339,17 +336,6 @@ export function scheduleAtTime(callback, targetTime, audioContext = getAudioCont
   const currentTime = audioContext.currentTime;
   webAudioTimeout(audioContext, callback, currentTime, targetTime);
 }
-
-let silencer;
-function getSilencer() {
-  const ac = getAudioContext();
-  if (!silencer) {
-    silencer = gainNode(0);
-    silencer.connect(ac.destination);
-  }
-  return silencer;
-}
-
 // ConstantSource inherits AudioScheduledSourceNode, which has scheduling abilities
 // a bit of a hack, but it works very well :)
 export function webAudioTimeout(audioContext, onComplete, startTime, stopTime) {
@@ -357,11 +343,18 @@ export function webAudioTimeout(audioContext, onComplete, startTime, stopTime) {
 
   // Certain browsers requires audio nodes to be connected in order for their onended events
   // to fire, so we _mute it_ and then connect it to the destination
-  const zeroGain = getSilencer();
+  const zeroGain = gainNode(0);
+  zeroGain.connect(audioContext.destination);
   constantNode.connect(zeroGain);
 
   // Schedule the `onComplete` callback to occur at `stopTime`
   constantNode.onended = () => {
+    // Ensure garbage collection
+    try {
+      zeroGain.disconnect();
+    } catch {
+      // pass
+    }
     try {
       constantNode.disconnect();
     } catch {
@@ -387,9 +380,9 @@ const mod = (freq, range = 1, type = 'sine') => {
   }
 
   osc.start();
-  const g = new GainNode(ctx, { gain: range });
+  const g = gainNode(range);
   osc.connect(g); // -range, range
-  return { node: g, stop: (t) => osc.stop(t) };
+  return { node: g, stop: (t) => osc.stop(t), osc: osc };
 };
 const fm = (frequencyparam, harmonicityRatio, modulationIndex, wave = 'sine') => {
   const carrfreq = frequencyparam.value;
@@ -441,22 +434,22 @@ export function applyFM(param, value, begin) {
       modulator.connect(envGain);
       envGain.connect(param);
     }
+    fmmod.osc.onended = () => {
+      envGain.disconnect();
+      modulator.disconnect();
+      fmmod.osc.disconnect();
+    };
   }
   return { stop };
 }
 
 // Saturation curves
 
-const fastTanh = (x) => {
-  const x2 = x * x;
-  const y = (x * (27 + x2)) / (27 + 9 * x2);
-  return y < -1 ? -1 : y > 1 ? 1 : y;
-};
 const __squash = (x) => x / (1 + x); // [0, inf) to [0, 1)
 const _mod = (n, m) => ((n % m) + m) % m;
 
 const _scurve = (x, k) => ((1 + k) * x) / (1 + k * Math.abs(x));
-const _soft = (x, k) => fastTanh(x * (1 + k));
+const _soft = (x, k) => Math.tanh(x * (1 + k));
 const _hard = (x, k) => clamp((1 + k) * x, -1, 1);
 
 const _fold = (x, k) => {
@@ -496,8 +489,13 @@ const _chebyshev = (x, k) => {
   let tnm1 = 1;
   let tnm2 = x;
   let tn;
-  let y = x;
+  let y = 0;
-  for (let i = 2; i < 64; i++) {
+  for (let i = 1; i < 64; i++) {
+    if (i < 2) {
+      // Already set inital conditions
+      y += i == 0 ? tnm1 : tnm2;
+      continue;
+    }
     tn = 2 * x * tnm1 - tnm2; // https://en.wikipedia.org/wiki/Chebyshev_polynomials#Recurrence_definition
     tnm2 = tnm1;
     tnm1 = tn;
@@ -562,25 +560,3 @@ export const destroyAudioWorkletNode = (node) => {
   node.disconnect();
   node.parameters.get('end')?.setValueAtTime(0, 0);
 };
-
-export const setParams = (node, params, t) => {
-  const ac = getAudioContext();
-  t ??= ac.currentTime;
-  const workletParams = node && node.parameters && typeof node.parameters.get === 'function';
-  for (const [key, value] of Object.entries(params)) {
-    if (value == null) continue;
-    let param;
-    if (workletParams) {
-      param = node.parameters.get(key);
-    }
-    if (param == null && node[key] instanceof AudioParam) {
-      param = node[key];
-    }
-    if (param instanceof AudioParam) {
-      param.cancelScheduledValues(t);
-      param.setValueAtTime(value, t);
-    } else {
-      node[key] = value;
-    }
-  }
-};

packages/superdough/superdough.mjs

@@ -478,16 +478,15 @@ export const superdough = async (value, t, hapDuration, cps = 0.5, cycle = 0.5)
   const endWithRelease = end + release;
   const chainID = Math.round(Math.random() * 1000000);
 
-  // oldest audio nodes will be stopped if maximum polyphony is exceeded
+  // oldest audio nodes will be destroyed if maximum polyphony is exceeded
-  while (activeSoundSources.size >= maxPolyphony) {
+  for (let i = 0; i <= activeSoundSources.size - maxPolyphony; i++) {
-    const { value: entry } = activeSoundSources.entries().next();
+    const ch = activeSoundSources.entries().next();
-    if (!entry) break;
+    const source = ch.value[1].deref();
-    const [oldChainID, ref] = entry;
+    const chainID = ch.value[0];
-    const handle = ref?.deref();
     const endTime = t + 0.25;
-    handle?.node?.gain?.linearRampToValueAtTime?.(0, endTime);
+    source?.node?.gain?.linearRampToValueAtTime(0, endTime);
-    handle?.stop?.(endTime);
+    source?.stop?.(endTime);
-    activeSoundSources.delete(oldChainID);
+    activeSoundSources.delete(chainID);
   }
 
   let audioNodes = [];
@@ -554,13 +553,14 @@ export const superdough = async (value, t, hapDuration, cps = 0.5, cycle = 0.5)
       rate: 'lprate',
       sync: 'lpsync',
       depth: 'lpdepth',
+      depthfrequency: 'lpdepthfrequency',
       shape: 'lpshape',
       dcoffset: 'lpdc',
       skew: 'lpskew',
     };
     const lpParams = pickAndRename(value, lpMap);
     lpParams.type = 'lowpass';
-    let lp = () => createFilter(ac, t, end, lpParams, cps);
+    let lp = () => createFilter(ac, t, end, lpParams, cps, cycle);
     chain.push(lp());
     if (ftype === '24db') {
       chain.push(lp());
@@ -582,13 +582,14 @@ export const superdough = async (value, t, hapDuration, cps = 0.5, cycle = 0.5)
       rate: 'hprate',
       sync: 'hpsync',
       depth: 'hpdepth',
+      depthfrequency: 'hpdepthfrequency',
       shape: 'hpshape',
       dcoffset: 'hpdc',
       skew: 'hpskew',
     };
     const hpParams = pickAndRename(value, hpMap);
     hpParams.type = 'highpass';
-    let hp = () => createFilter(ac, t, end, hpParams, cps);
+    let hp = () => createFilter(ac, t, end, hpParams, cps, cycle);
     chain.push(hp());
     if (ftype === '24db') {
       chain.push(hp());
@@ -610,13 +611,14 @@ export const superdough = async (value, t, hapDuration, cps = 0.5, cycle = 0.5)
       rate: 'bprate',
       sync: 'bpsync',
       depth: 'bpdepth',
+      depthfrequency: 'bpdepthfrequency',
       shape: 'bpshape',
       dcoffset: 'bpdc',
       skew: 'bpskew',
     };
     const bpParams = pickAndRename(value, bpMap);
     bpParams.type = 'bandpass';
-    let bp = () => createFilter(ac, t, end, bpParams, cps);
+    let bp = () => createFilter(ac, t, end, bpParams, cps, cycle);
     chain.push(bp());
     if (ftype === '24db') {
       chain.push(bp());

packages/superdough/synth.mjs

@@ -3,7 +3,6 @@ import { registerSound, soundMap } from './superdough.mjs';
 import { getAudioContext } from './audioContext.mjs';
 import {
   applyFM,
-  claimVoice,
   destroyAudioWorkletNode,
   gainNode,
   getADSRValues,
@@ -13,8 +12,6 @@ import {
   getPitchEnvelope,
   getVibratoOscillator,
   getWorklet,
-  setParams,
-  releaseVoice,
   noises,
   webAudioTimeout,
 } from './helpers.mjs';
@@ -167,38 +164,36 @@ export function registerSynthSounds() {
       const end = holdend + release + 0.01;
       const voices = clamp(unison, 1, 100);
       let panspread = voices > 1 ? clamp(spread, 0, 1) : 0;
-      let o = claimVoice('supersaw');
+      let o = getWorklet(
-      const params = {
+        ac,
-        frequency,
+        'supersaw-oscillator',
-        begin,
+        {
-        end,
+          frequency,
-        freqspread: detune,
+          begin,
-        panspread,
+          end,
-      };
+          freqspread: detune,
-      const processorOptions = {
+          voices,
-        voices,
+          panspread,
-      };
+        },
-      if (o == null) {
+        {
-        o = getWorklet(ac, 'supersaw-oscillator', params, {
           outputChannelCount: [2],
-          processorOptions,
+        },
-        });
+      );
-      } else {
+
-        setParams(o, params);
-        o.port.postMessage({ type: 'reset', payload: { processorOptions } });
-      }
       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 envGain = o.connect(gainNode(1));
+      let envGain = gainNode(1);
+      envGain = o.connect(envGain);
+
       getParamADSR(envGain.gain, attack, decay, sustain, release, 0, 0.3 * gainAdjustment, begin, holdend, 'linear');
-      const timeoutNode = webAudioTimeout(
+
+      let timeoutNode = webAudioTimeout(
         ac,
         () => {
           destroyAudioWorkletNode(o);
           envGain.disconnect();
-          releaseVoice('supersaw', o);
           onended();
           fm?.stop();
           vibratoOscillator?.stop();
@@ -272,7 +267,7 @@ export function registerSynthSounds() {
 
       getParamADSR(envGain.gain, attack, decay, sustain, release, 0, 1, begin, holdend, 'linear');
 
-      const timeoutNode = webAudioTimeout(
+      let timeoutNode = webAudioTimeout(
         ac,
         () => {
           destroyAudioWorkletNode(o);
@@ -346,7 +341,7 @@ export function registerSynthSounds() {
         lfo = getLfo(ac, begin, end, { frequency: pwrate, depth: pwsweep });
         lfo.connect(o.parameters.get('pulsewidth'));
       }
-      const timeoutNode = webAudioTimeout(
+      let timeoutNode = webAudioTimeout(
         ac,
         () => {
           destroyAudioWorkletNode(o);

packages/superdough/util.mjs

@@ -3,8 +3,6 @@ import { logger } from './logger.mjs';
 // currently duplicate with core util.mjs to skip dependency
 // TODO: add separate util module?
 
-export const LN2 = Math.LN2;
-
 export const tokenizeNote = (note) => {
   if (typeof note !== 'string') {
     return [];
@@ -34,9 +32,10 @@ export const noteToMidi = (note, defaultOctave = 3) => {
 export const midiToFreq = (n) => {
   return Math.pow(2, (n - 69) / 12) * 440;
 };
+export const clamp = (num, min, max) => Math.min(Math.max(num, min), max);
 
 export const freqToMidi = (freq) => {
-  return (12 * Math.log(freq / 440)) / LN2 + 69;
+  return (12 * Math.log(freq / 440)) / Math.LN2 + 69;
 };
 
 export const valueToMidi = (value, fallbackValue) => {
@@ -115,38 +114,3 @@ export function getCommonSampleInfo(hapValue, bank) {
 export const pickAndRename = (source, map) => {
   return Object.fromEntries(Object.entries(map).map(([newKey, oldKey]) => [newKey, source[oldKey]]));
 };
-
-// Optimized / numerical functions (ideal for hot dsp loops)
-
-// Optimized clamp (~1.7x faster than Math.max/min approach)
-export const clamp = (num, min, max) => {
-  if (num < min) return min;
-  if (num > max) return max;
-  return num;
-};
-export const mod = (n, m) => ((n % m) + m) % m;
-export const lerp = (a, b, n) => n * (b - a) + a;
-export const frac = (x) => x - Math.floor(x);
-
-// Fast integer ops for non-negative values
-export const ffloor = (x) => x | 0;
-export const fround = (x) => ffloor(x + 0.5);
-export const fceil = (x) => ffloor(x + 1);
-export const ffrac = (x) => x - ffloor(x);
-
-export const fastexpm1 = (x) => x * (1 + x + 0.5 * x * x); // Taylor approximation
-
-export const fastpow2 = (x) => {
-  // Taylor approximation of 2 ^ x
-  const a = x * LN2;
-  return 1 + a * (1 + a * (0.5 + a / 6));
-};
-
-export const applySemitoneDetuneToFrequency = (frequency, detune) => {
-  return frequency * Math.pow(2, detune / 12);
-};
-
-export const applyFastDetune = (frequency, detune) => {
-  if (detune < 4) return frequency * fastpow2(detune / 12);
-  return applySemitoneDetuneToFrequency(frequency, detune);
-};

packages/superdough/wavetable.mjs

@@ -3,18 +3,14 @@ import { getCommonSampleInfo } from './util.mjs';
 import {
   applyFM,
   applyParameterModulators,
-  claimVoice,
+  destroyAudioWorkletNode,
-  gainNode,
   getADSRValues,
   getFrequencyFromValue,
   getParamADSR,
   getPitchEnvelope,
   getVibratoOscillator,
   getWorklet,
-  setParams,
-  releaseVoice,
   webAudioTimeout,
-  destroyAudioWorkletNode,
 } from './helpers.mjs';
 import { logger } from './logger.mjs';
 
@@ -222,39 +218,32 @@ export async function onTriggerSynth(t, value, onended, tables, cps, frameLen) {
   const frequency = getFrequencyFromValue(value);
   const { url, label } = getCommonSampleInfo(value, tables);
   const payload = await getPayload(url, label, frameLen);
-  const voiceKey = `wavetable:${payload.key}`;
   let holdEnd = t + duration;
   if (clip !== undefined) {
     holdEnd = Math.min(t + clip * duration, holdEnd);
   }
   const endWithRelease = holdEnd + release;
   const envEnd = endWithRelease + 0.01;
-  let source = claimVoice(voiceKey);
+  const source = getWorklet(
-  const params = {
+    ac,
-    begin: t,
+    'wavetable-oscillator-processor',
-    end: envEnd,
+    {
-    frequency,
+      begin: t,
-    freqspread: value.detune,
+      end: envEnd,
-    position: value.wt,
+      frequency,
-    warp: value.warp,
+      freqspread: value.detune,
-    warpMode: warpmode,
+      position: value.wt,
-    panspread: value.spread,
+      warp: value.warp,
-  };
+      warpMode: warpmode,
-  const processorOptions = {
+      voices: Math.max(value.unison ?? 1, 1),
-    phaseRand: value.wtphaserand ?? (value.unison > 1 ? 1 : 0),
+      panspread: value.spread,
-    voices: Math.max(value.unison ?? 1, 1),
+      phaserand: (value.wtphaserand ?? value.unison > 1) ? 1 : 0,
-  };
+    },
-  if (source == null) {
+    { outputChannelCount: [2] },
-    source = getWorklet(ac, 'wavetable-oscillator-processor', params, { outputChannelCount: [2], processorOptions });
+  );
-  } else {
-    setParams(source, params);
-    source.port.postMessage({ type: 'reset', payload: { processorOptions } });
-  }
   source.port.postMessage({ type: 'table', payload });
   if (ac.currentTime > t) {
     logger(`[wavetable] still loading sound "${s}:${n}"`, 'highlight');
-    destroyAudioWorkletNode(source);
-    releaseVoice(voiceKey, source);
     return;
   }
   const posADSRParams = [value.wtattack, value.wtdecay, value.wtsustain, value.wtrelease];
@@ -321,20 +310,20 @@ export async function onTriggerSynth(t, value, onended, tables, cps, frameLen) {
   );
   const vibratoOscillator = getVibratoOscillator(source.parameters.get('detune'), value, t);
   const fm = applyFM(source.parameters.get('frequency'), value, t);
-  const envGain = source.connect(gainNode(1));
+  const envGain = ac.createGain();
-  getParamADSR(envGain.gain, attack, decay, sustain, release, 0, 0.3, t, holdEnd, 'linear');
+  const node = source.connect(envGain);
+  getParamADSR(node.gain, attack, decay, sustain, release, 0, 0.3, t, holdEnd, 'linear');
   getPitchEnvelope(source.parameters.get('detune'), value, t, holdEnd);
-  const handle = { node: envGain };
+  const handle = { node, source };
   const timeoutNode = webAudioTimeout(
     ac,
     () => {
+      destroyAudioWorkletNode(source);
       vibratoOscillator?.stop();
       fm?.stop();
+      node.disconnect();
       wtPosModulators?.disconnect();
       wtWarpModulators?.disconnect();
-      envGain.disconnect();
-      destroyAudioWorkletNode(source);
-      releaseVoice(voiceKey, source);
       onended();
     },
     t,

packages/superdough/worklets.mjs

@@ -5,29 +5,27 @@
 import OLAProcessor from './ola-processor';
 import FFT from './fft.js';
 import { getDistortionAlgorithm } from './helpers.mjs';
-import {
-  applyFastDetune,
-  applySemitoneDetuneToFrequency,
-  clamp,
-  fastexpm1,
-  fceil,
-  ffloor,
-  ffrac,
-  frac,
-  fround,
-  lerp,
-} from './util.mjs';
 
 const blockSize = 128;
 const PI = Math.PI;
 const TWO_PI = 2 * PI;
 const INVSR = 1 / sampleRate;
-const MAX_VOICES = 64;
 
+const clamp = (num, min, max) => Math.min(Math.max(num, min), max);
+const mod = (n, m) => ((n % m) + m) % m;
+const lerp = (a, b, n) => n * (b - a) + a;
 const pv = (arr, n) => arr[n] ?? arr[0];
+const frac = (x) => x - Math.floor(x);
+
+// Fast integer ops for non-negative values
+const ffloor = (x) => x | 0;
+const fround = (x) => ffloor(x + 0.5);
+const fceil = (x) => ffloor(x + 1);
+const ffrac = (x) => x - ffloor(x);
+
 const fast_tanh = (x) => {
-  const x2 = x * x;
+  const x2 = x ** 2;
-  return (x * (27 + x2)) / (27 + 9 * x2);
+  return (x * (27.0 + x2)) / (27.0 + 9.0 * x2);
 };
 
 // Optimized per-voice detuner which precomputes constants
@@ -40,6 +38,10 @@ const getDetuner = (unison, detune) => {
   return (voiceIdx) => voiceIdx * scale - center;
 };
 
+const applySemitoneDetuneToFrequency = (frequency, detune) => {
+  return frequency * Math.pow(2, detune / 12);
+};
+
 // Smooth waveshape near discontinuities to remove frequencies above Nyquist and prevent aliasing
 // referenced from https://www.kvraudio.com/forum/viewtopic.php?t=375517
 function polyBlep(phase, dt) {
@@ -167,11 +169,10 @@ class LFOProcessor extends AudioWorkletProcessor {
     }
     const dt = frequency * INVSR;
     for (let n = 0; n < blockSize; n++) {
-      let modval = (waveshapes[shape](this.phase, skew) + dcoffset) * depth;
-      modval = curve !== 1 ? Math.pow(modval, curve) : modval;
-      const out = clamp(modval, min, max);
       for (let i = 0; i < output.length; i++) {
-        output[i][n] = out;
+        let modval = (waveshapes[shape](this.phase, skew) + dcoffset) * depth;
+        modval = Math.pow(modval, curve);
+        output[i][n] = clamp(modval, min, max);
       }
       this.incrementPhase(dt);
     }
@@ -442,7 +443,7 @@ class DistortProcessor extends AudioWorkletProcessor {
     this.started = hasInput;
     for (let n = 0; n < blockSize; n++) {
       const postgain = clamp(pv(parameters.postgain, n), 0.001, 1);
-      const shape = fastexpm1(pv(parameters.distort, n));
+      const shape = Math.expm1(pv(parameters.distort, n));
       for (let ch = 0; ch < input.length; ch++) {
         const x = input[ch][n];
         output[ch][n] = postgain * this.algorithm(x, shape);
@@ -455,17 +456,9 @@ registerProcessor('distort-processor', DistortProcessor);
 
 // SUPERSAW
 class SuperSawOscillatorProcessor extends AudioWorkletProcessor {
-  constructor(options) {
+  constructor() {
     super();
-    this.phases = new Float32Array(MAX_VOICES);
+    this.phase = [];
-    this.reset(options.processorOptions);
-  }
-  reset(options) {
-    const phases = this.phases;
-    for (let i = 0; i < phases.length; i++) {
-      phases[i] = Math.random();
-    }
-    this.voices = options.voices;
   }
   static get parameterDescriptors() {
     return [
@@ -475,17 +468,20 @@ class SuperSawOscillatorProcessor extends AudioWorkletProcessor {
         max: Number.POSITIVE_INFINITY,
         min: 0,
       },
+
       {
         name: 'end',
         defaultValue: 0,
         max: Number.POSITIVE_INFINITY,
         min: 0,
       },
+
       {
         name: 'frequency',
         defaultValue: 440,
         min: Number.EPSILON,
       },
+
       {
         name: 'panspread',
         defaultValue: 0.4,
@@ -502,53 +498,50 @@ class SuperSawOscillatorProcessor extends AudioWorkletProcessor {
         defaultValue: 0,
         min: 0,
       },
+
+      {
+        name: 'voices',
+        defaultValue: 5,
+        min: 1,
+        automationRate: 'k-rate',
+      },
     ];
   }
   process(_input, outputs, params) {
-    const started = currentTime >= params.begin[0];
+    if (currentTime <= params.begin[0]) {
-    const ended = currentTime >= params.end[0];
-    if (!started || ended) {
       return true;
     }
+    if (currentTime >= params.end[0]) {
+      // this.port.postMessage({ type: 'onended' });
+      return false;
+    }
     const output = outputs[0];
-    // fast k-rate paths
+    const voices = params.voices[0]; // k-rate
-    let freq, detune, freqspread, detuner;
-    if (params.freqspread.length === 1) {
-      freqspread = params.freqspread[0];
-      detuner = getDetuner(this.voices, freqspread);
-    }
-    if (params.frequency.length === 1 && params.detune.length === 1) {
-      freq = params.frequency[0];
-      detune = params.detune[0];
-      freq = applySemitoneDetuneToFrequency(freq, detune / 100);
-    }
-    let panspread, gainL, gainR;
-    if (params.panspread.length === 1) {
-      panspread = this.voices > 1 ? clamp(params.panspread[0], 0, 1) : 0;
-      gainL = Math.sqrt(0.5 - 0.5 * panspread);
-      gainR = Math.sqrt(0.5 + 0.5 * panspread);
-    }
     for (let i = 0; i < output[0].length; i++) {
+      const detune = pv(params.detune, i);
+      const freqspread = pv(params.freqspread, i);
       const panspread = pv(params.panspread, i) * 0.5 + 0.5;
-      gainL = Math.sqrt(1 - panspread);
+      let gainL = Math.sqrt(1 - panspread);
-      gainR = Math.sqrt(panspread);
+      let gainR = Math.sqrt(panspread);
-      // Main detuning (a-rate path)
+      let freq = pv(params.frequency, i);
-      detune ??= pv(params.detune, i);
+      // Main detuning
-      freqspread ??= pv(params.freqspread, i);
+      freq = applySemitoneDetuneToFrequency(freq, detune / 100);
-      freq ??= applySemitoneDetuneToFrequency(pv(params.frequency, i), detune / 100);
+      const detuner = getDetuner(voices, freqspread);
-      detuner ??= getDetuner(this.voices, freqspread);
+      for (let n = 0; n < voices; n++) {
-      for (let n = 0; n < this.voices; n++) {
         // Individual voice detuning
-        const freqVoice = applyFastDetune(freq, detuner(n));
+        const freqVoice = applySemitoneDetuneToFrequency(freq, detuner(n));
         // We must wrap this here because it is passed into sawblep below which
         // has domain [0, 1]
         const dt = frac(freqVoice * INVSR);
-        const v = waveshapes.sawblep(this.phases[n], dt);
+        this.phase[n] = this.phase[n] ?? Math.random();
+        const v = waveshapes.sawblep(this.phase[n], dt);
+
         output[0][i] += v * gainL;
         output[1][i] += v * gainR;
-        let pn = this.phases[n] + dt;
+
+        let pn = this.phase[n] + dt;
         if (pn >= 1.0) pn -= 1.0;
-        this.phases[n] = pn;
+        this.phase[n] = pn;
         // invert right and left gain
         const tmp = gainL;
         gainL = gainR;
@@ -1132,8 +1125,10 @@ class WavetableOscillatorProcessor extends AudioWorkletProcessor {
       { name: 'freqspread', defaultValue: 0.18, min: 0 },
       { name: 'position', defaultValue: 0, min: 0, max: 1 },
       { name: 'warp', defaultValue: 0, min: 0, max: 1 },
-      { name: 'warpMode', defaultValue: 0, automationRate: 'k-rate' },
+      { name: 'warpMode', defaultValue: 0 },
+      { name: 'voices', defaultValue: 1, min: 1, automationRate: 'k-rate' },
       { name: 'panspread', defaultValue: 0.7, min: 0, max: 1 },
+      { name: 'phaserand', defaultValue: 0, min: 0, max: 1 },
     ];
   }
 
@@ -1141,32 +1136,35 @@ class WavetableOscillatorProcessor extends AudioWorkletProcessor {
     super(options);
     this.frameLen = 0;
     this.numFrames = 0;
-    this.phases = new Float32Array(MAX_VOICES);
+    this.phase = [];
+
     this.port.onmessage = (e) => {
       const { type, payload } = e.data || {};
       if (type === 'table') {
         const key = payload.key;
         this.frameLen = payload.frameLen;
         if (!tablesCache[key]) {
-          tablesCache[key] = payload.frames;
+          const tables = [payload.frames];
+          let table = tables[0];
+          for (let level = 1; level < 1; level++) {
+            const nextLen = table.length >> 1;
+            const nextTable = table.map((frame) => {
+              const avg = new Float32Array(nextLen);
+              for (let i = 0; i < nextLen; i++) {
+                avg[i] = (frame[2 * i] + frame[2 * i + 1]) / 2;
+              }
+              return avg;
+            });
+            tables.push(nextTable);
+            table = nextTable;
+            if (nextLen <= 32) break;
+          }
+          tablesCache[key] = tables;
         }
-        this.table = tablesCache[key];
+        this.tables = tablesCache[key];
-        this.numFrames = this.table.length;
+        this.numFrames = this.tables[0].length;
-      } else if (type === 'reset') {
-        this.reset(payload.processorOptions);
       }
     };
-    this.reset(options.processorOptions);
-  }
-
-  reset(options) {
-    const phaseRand = options.phaseRand ?? 1;
-    const phases = this.phases;
-    for (let i = 0; i < phases.length; i++) {
-      phases[i] = Math.random() * phaseRand;
-    }
-    this.voices = options.voices;
-    this.normalizer = 1 / Math.sqrt(this.voices);
   }
 
   _mirror(x) {
@@ -1311,63 +1309,73 @@ class WavetableOscillatorProcessor extends AudioWorkletProcessor {
     return a + (b - a) * frac;
   }
 
-  process(_inputs, outputs, params) {
+  _chooseMip(dphi) {
-    const started = currentTime >= params.begin[0];
+    const approxHarm = clamp(dphi, 1e-6, 64);
-    const ended = currentTime >= params.end[0];
+    let level = 0;
-    if (!started || ended) {
+    while (level + 1 < (this.tables?.length || 1) && approxHarm < this.tables[level][0].length / 8) {
+      level++;
+    }
+    return level;
+  }
+
+  process(_inputs, outputs, parameters) {
+    if (currentTime >= parameters.end[0]) {
+      return false;
+    }
+    if (currentTime <= parameters.begin[0]) {
       return true;
     }
     const outL = outputs[0][0];
     const outR = outputs[0][1] || outputs[0][0];
-    // fast k-rate paths
+    if (!this.tables) {
-    let freq, detune, freqspread, detuner;
+      outL.fill(0);
-    if (params.freqspread.length === 1) {
+      if (outR !== outL) outR.set(outL);
-      freqspread = params.freqspread[0];
+      return true;
-      detuner = getDetuner(this.voices, freqspread);
     }
-    if (params.frequency.length === 1 && params.detune.length === 1) {
+    const voices = parameters.voices[0]; // k-rate
-      freq = params.frequency[0];
-      detune = params.detune[0];
-      freq = applySemitoneDetuneToFrequency(freq, detune / 100);
-    }
-    let panspread, gainL, gainR;
-    if (params.panspread.length === 1) {
-      panspread = this.voices > 1 ? clamp(params.panspread[0], 0, 1) : 0;
-      gainL = Math.sqrt(0.5 - 0.5 * panspread);
-      gainR = Math.sqrt(0.5 + 0.5 * panspread);
-    }
-    const warpMode = params.warpMode[0];
     for (let i = 0; i < outL.length; i++) {
-      const tablePos = clamp(pv(params.position, i), 0, 1);
+      const detune = pv(parameters.detune, i);
+      const freqspread = pv(parameters.freqspread, i);
+      const tablePos = clamp(pv(parameters.position, i), 0, 1);
       const idx = tablePos * (this.numFrames - 1);
       const fIdx = idx | 0;
       const interpT = idx - fIdx;
-      const warpAmount = clamp(pv(params.warp, i), 0, 1);
+      const warpAmount = clamp(pv(parameters.warp, i), 0, 1);
-      panspread ??= this.voices > 1 ? clamp(pv(params.panspread, i), 0, 1) : 0;
+      const warpMode = pv(parameters.warpMode, i);
-      gainL ??= Math.sqrt(0.5 - 0.5 * panspread);
+      const phaseRand = clamp(pv(parameters.phaserand, i), 0, 1);
-      gainR ??= Math.sqrt(0.5 + 0.5 * panspread);
+      const panspread = voices > 1 ? clamp(pv(parameters.panspread, i), 0, 1) : 0;
-      detune ??= pv(params.detune, i);
+      const gain1 = Math.sqrt(0.5 - 0.5 * panspread);
-      freqspread ??= pv(params.freqspread, i);
+      const gain2 = Math.sqrt(0.5 + 0.5 * panspread);
-      freq ??= applySemitoneDetuneToFrequency(pv(params.frequency, i), detune / 100); // overall detune
+      let f = pv(parameters.frequency, i);
-      detuner ??= getDetuner(this.voices, freqspread);
+      f = applySemitoneDetuneToFrequency(f, detune / 100); // overall detune
-      for (let n = 0; n < this.voices; n++) {
+      const normalizer = 1 / Math.sqrt(voices);
-        const freqVoice = applyFastDetune(freq, detuner(n)); // voice detune
+      const detuner = getDetuner(voices, freqspread);
-        const dPhase = freqVoice * INVSR;
+      for (let n = 0; n < voices; n++) {
+        const isOdd = (n & 1) == 1;
+        let gainL = gain1;
+        let gainR = gain2;
+        // invert right and left gain
+        if (isOdd) {
+          gainL = gain2;
+          gainR = gain1;
+        }
+        const fVoice = applySemitoneDetuneToFrequency(f, detuner(n)); // voice detune
+        const dPhase = fVoice * INVSR;
+        const level = this._chooseMip(dPhase);
+        const table = this.tables[level];
+
         // warp phase then sample
-        const ph = this._warpPhase(this.phases[n], warpAmount, warpMode);
+        this.phase[n] = this.phase[n] ?? Math.random() * phaseRand;
-        const s0 = this._sampleFrame(this.table[fIdx], ph);
+        const ph = this._warpPhase(this.phase[n], warpAmount, warpMode);
-        const s1 = this._sampleFrame(this.table[Math.min(this.numFrames - 1, fIdx + 1)], ph);
+        const s0 = this._sampleFrame(table[fIdx], ph);
+        const s1 = this._sampleFrame(table[Math.min(this.numFrames - 1, fIdx + 1)], ph);
         let s = lerp(s0, s1, interpT);
-        if (warpMode === WarpMode.FLIP && this.phases[n] < warpAmount) {
+        if (warpMode === WarpMode.FLIP && this.phase[n] < warpAmount) {
           s = -s;
         }
-        outL[i] += s * gainL * this.normalizer;
+        outL[i] += s * gainL * normalizer;
-        outR[i] += s * gainR * this.normalizer;
+        outR[i] += s * gainR * normalizer;
-        this.phases[n] = frac(this.phases[n] + dPhase);
+        this.phase[n] = frac(this.phase[n] + dPhase);
-        // invert right and left gain
-        const tmp = gainL;
-        gainR = gainL;
-        gainL = tmp;
       }
     }
     return true;

packages/supradough/dough-worklet.mjs

@@ -1,10 +1,6 @@
 import { Dough } from './dough.mjs';
 
-const clamp = (num, min, max) => {
+const clamp = (num, min, max) => Math.min(Math.max(num, min), max);
-  if (num < min) return min;
-  if (num > max) return max;
-  return num;
-};
 
 class DoughProcessor extends AudioWorkletProcessor {
   constructor() {

packages/supradough/dough.mjs

@@ -6,11 +6,7 @@ const PI_DIV_SR = Math.PI / SAMPLE_RATE;
 const ISR = 1 / SAMPLE_RATE;
 
 let gainCurveFunc = (val) => Math.pow(val, 2);
-const clamp = (num, min, max) => {
+const clamp = (num, min, max) => Math.min(Math.max(num, min), max);
-  if (num < min) return min;
-  if (num > max) return max;
-  return num;
-};
 
 function applyGainCurve(val) {
   return gainCurveFunc(val);

packages/tonal/tonal.mjs

@@ -5,7 +5,16 @@ This program is free software: you can redistribute it and/or modify it under th
 */
 
 import { Note, Interval, Scale } from '@tonaljs/tonal';
-import { register, _mod, logger, isNote, noteToMidi, removeUndefineds, getAccidentalsOffset } from '@strudel/core';
+import {
+  _mod,
+  errorLogger,
+  getAccidentalsOffset,
+  isNote,
+  logger,
+  noteToMidi,
+  register,
+  removeUndefineds,
+} from '@strudel/core';
 import { stepInNamedScale, nearestNumberIndex } from './tonleiter.mjs';
 
 const octavesInterval = (octaves) => (octaves <= 0 ? -1 : 1) + octaves * 7 + 'P';
@@ -294,7 +303,7 @@ export const scale = register(
             }
             if (offset != 0) scaleNote = Note.transpose(scaleNote, Interval.fromSemitones(offset));
           } catch (err) {
-            logger(`[tonal] ${err.message}`, 'error');
+            errorLogger(err, 'tonal');
             return; // will be removed
           }
         }

test/__snapshots__/examples.test.mjs.snap

@@ -1391,6 +1391,75 @@ exports[`runs examples > example "bpdecay" example index 0 1`] = `
 ]
 `;
 
+exports[`runs examples > example "bpdepthfrequency" example index 0 1`] = `
+[
+  "[ 0/1 → 1/16 | note:c s:sawtooth cutoff:600 bpdepthfrequency:200 ]",
+  "[ 1/16 → 1/8 | note:c s:sawtooth cutoff:600 bpdepthfrequency:200 ]",
+  "[ 1/8 → 3/16 | note:c# s:sawtooth cutoff:600 bpdepthfrequency:200 ]",
+  "[ 3/16 → 1/4 | note:c s:sawtooth cutoff:600 bpdepthfrequency:200 ]",
+  "[ 1/4 → 5/16 | note:c s:sawtooth cutoff:600 bpdepthfrequency:200 ]",
+  "[ 5/16 → 3/8 | note:c4 s:sawtooth cutoff:600 bpdepthfrequency:200 ]",
+  "[ 3/8 → 7/16 | note:c s:sawtooth cutoff:600 bpdepthfrequency:200 ]",
+  "[ 7/16 → 1/2 | note:c s:sawtooth cutoff:600 bpdepthfrequency:200 ]",
+  "[ 1/2 → 9/16 | note:c# s:sawtooth cutoff:600 bpdepthfrequency:200 ]",
+  "[ 9/16 → 5/8 | note:c s:sawtooth cutoff:600 bpdepthfrequency:200 ]",
+  "[ 5/8 → 11/16 | note:c s:sawtooth cutoff:600 bpdepthfrequency:200 ]",
+  "[ 11/16 → 3/4 | note:c4 s:sawtooth cutoff:600 bpdepthfrequency:200 ]",
+  "[ 3/4 → 13/16 | note:c s:sawtooth cutoff:600 bpdepthfrequency:200 ]",
+  "[ 13/16 → 7/8 | note:c s:sawtooth cutoff:600 bpdepthfrequency:200 ]",
+  "[ 7/8 → 15/16 | note:c# s:sawtooth cutoff:600 bpdepthfrequency:200 ]",
+  "[ 15/16 → 1/1 | note:c s:sawtooth cutoff:600 bpdepthfrequency:200 ]",
+  "[ 1/1 → 17/16 | note:c s:sawtooth cutoff:600 bpdepthfrequency:500 ]",
+  "[ 17/16 → 9/8 | note:c4 s:sawtooth cutoff:600 bpdepthfrequency:500 ]",
+  "[ 9/8 → 19/16 | note:c s:sawtooth cutoff:600 bpdepthfrequency:500 ]",
+  "[ 19/16 → 5/4 | note:c s:sawtooth cutoff:600 bpdepthfrequency:500 ]",
+  "[ 5/4 → 21/16 | note:c# s:sawtooth cutoff:600 bpdepthfrequency:500 ]",
+  "[ 21/16 → 11/8 | note:c s:sawtooth cutoff:600 bpdepthfrequency:500 ]",
+  "[ 11/8 → 23/16 | note:c s:sawtooth cutoff:600 bpdepthfrequency:500 ]",
+  "[ 23/16 → 3/2 | note:c4 s:sawtooth cutoff:600 bpdepthfrequency:500 ]",
+  "[ 3/2 → 25/16 | note:c s:sawtooth cutoff:600 bpdepthfrequency:500 ]",
+  "[ 25/16 → 13/8 | note:c s:sawtooth cutoff:600 bpdepthfrequency:500 ]",
+  "[ 13/8 → 27/16 | note:c# s:sawtooth cutoff:600 bpdepthfrequency:500 ]",
+  "[ 27/16 → 7/4 | note:c s:sawtooth cutoff:600 bpdepthfrequency:500 ]",
+  "[ 7/4 → 29/16 | note:c s:sawtooth cutoff:600 bpdepthfrequency:500 ]",
+  "[ 29/16 → 15/8 | note:c4 s:sawtooth cutoff:600 bpdepthfrequency:500 ]",
+  "[ 15/8 → 31/16 | note:c s:sawtooth cutoff:600 bpdepthfrequency:500 ]",
+  "[ 31/16 → 2/1 | note:c s:sawtooth cutoff:600 bpdepthfrequency:500 ]",
+  "[ 2/1 → 33/16 | note:c# s:sawtooth cutoff:600 bpdepthfrequency:100 ]",
+  "[ 33/16 → 17/8 | note:c s:sawtooth cutoff:600 bpdepthfrequency:100 ]",
+  "[ 17/8 → 35/16 | note:c s:sawtooth cutoff:600 bpdepthfrequency:100 ]",
+  "[ 35/16 → 9/4 | note:c4 s:sawtooth cutoff:600 bpdepthfrequency:100 ]",
+  "[ 9/4 → 37/16 | note:c s:sawtooth cutoff:600 bpdepthfrequency:100 ]",
+  "[ 37/16 → 19/8 | note:c s:sawtooth cutoff:600 bpdepthfrequency:100 ]",
+  "[ 19/8 → 39/16 | note:c# s:sawtooth cutoff:600 bpdepthfrequency:100 ]",
+  "[ 39/16 → 5/2 | note:c s:sawtooth cutoff:600 bpdepthfrequency:100 ]",
+  "[ 5/2 → 41/16 | note:c s:sawtooth cutoff:600 bpdepthfrequency:100 ]",
+  "[ 41/16 → 21/8 | note:c4 s:sawtooth cutoff:600 bpdepthfrequency:100 ]",
+  "[ 21/8 → 43/16 | note:c s:sawtooth cutoff:600 bpdepthfrequency:100 ]",
+  "[ 43/16 → 11/4 | note:c s:sawtooth cutoff:600 bpdepthfrequency:100 ]",
+  "[ 11/4 → 45/16 | note:c# s:sawtooth cutoff:600 bpdepthfrequency:100 ]",
+  "[ 45/16 → 23/8 | note:c s:sawtooth cutoff:600 bpdepthfrequency:100 ]",
+  "[ 23/8 → 47/16 | note:c s:sawtooth cutoff:600 bpdepthfrequency:100 ]",
+  "[ 47/16 → 3/1 | note:c4 s:sawtooth cutoff:600 bpdepthfrequency:100 ]",
+  "[ 3/1 → 49/16 | note:c s:sawtooth cutoff:600 bpdepthfrequency:0 ]",
+  "[ 49/16 → 25/8 | note:c s:sawtooth cutoff:600 bpdepthfrequency:0 ]",
+  "[ 25/8 → 51/16 | note:c# s:sawtooth cutoff:600 bpdepthfrequency:0 ]",
+  "[ 51/16 → 13/4 | note:c s:sawtooth cutoff:600 bpdepthfrequency:0 ]",
+  "[ 13/4 → 53/16 | note:c s:sawtooth cutoff:600 bpdepthfrequency:0 ]",
+  "[ 53/16 → 27/8 | note:c4 s:sawtooth cutoff:600 bpdepthfrequency:0 ]",
+  "[ 27/8 → 55/16 | note:c s:sawtooth cutoff:600 bpdepthfrequency:0 ]",
+  "[ 55/16 → 7/2 | note:c s:sawtooth cutoff:600 bpdepthfrequency:0 ]",
+  "[ 7/2 → 57/16 | note:c# s:sawtooth cutoff:600 bpdepthfrequency:0 ]",
+  "[ 57/16 → 29/8 | note:c s:sawtooth cutoff:600 bpdepthfrequency:0 ]",
+  "[ 29/8 → 59/16 | note:c s:sawtooth cutoff:600 bpdepthfrequency:0 ]",
+  "[ 59/16 → 15/4 | note:c4 s:sawtooth cutoff:600 bpdepthfrequency:0 ]",
+  "[ 15/4 → 61/16 | note:c s:sawtooth cutoff:600 bpdepthfrequency:0 ]",
+  "[ 61/16 → 31/8 | note:c s:sawtooth cutoff:600 bpdepthfrequency:0 ]",
+  "[ 31/8 → 63/16 | note:c# s:sawtooth cutoff:600 bpdepthfrequency:0 ]",
+  "[ 63/16 → 4/1 | note:c s:sawtooth cutoff:600 bpdepthfrequency:0 ]",
+]
+`;
+
 exports[`runs examples > example "bpenv" example index 0 1`] = `
 [
   "[ 0/1 → 1/4 | note:c2 s:sawtooth bandf:500 bpattack:0.5 bpenv:4 ]",
@@ -4786,6 +4855,75 @@ exports[`runs examples > example "hpdecay" example index 0 1`] = `
 ]
 `;
 
+exports[`runs examples > example "hpdepthfrequency" example index 0 1`] = `
+[
+  "[ 0/1 → 1/16 | note:c s:sawtooth cutoff:600 hpdepthfrequency:200 ]",
+  "[ 1/16 → 1/8 | note:c s:sawtooth cutoff:600 hpdepthfrequency:200 ]",
+  "[ 1/8 → 3/16 | note:c# s:sawtooth cutoff:600 hpdepthfrequency:200 ]",
+  "[ 3/16 → 1/4 | note:c s:sawtooth cutoff:600 hpdepthfrequency:200 ]",
+  "[ 1/4 → 5/16 | note:c s:sawtooth cutoff:600 hpdepthfrequency:200 ]",
+  "[ 5/16 → 3/8 | note:c4 s:sawtooth cutoff:600 hpdepthfrequency:200 ]",
+  "[ 3/8 → 7/16 | note:c s:sawtooth cutoff:600 hpdepthfrequency:200 ]",
+  "[ 7/16 → 1/2 | note:c s:sawtooth cutoff:600 hpdepthfrequency:200 ]",
+  "[ 1/2 → 9/16 | note:c# s:sawtooth cutoff:600 hpdepthfrequency:200 ]",
+  "[ 9/16 → 5/8 | note:c s:sawtooth cutoff:600 hpdepthfrequency:200 ]",
+  "[ 5/8 → 11/16 | note:c s:sawtooth cutoff:600 hpdepthfrequency:200 ]",
+  "[ 11/16 → 3/4 | note:c4 s:sawtooth cutoff:600 hpdepthfrequency:200 ]",
+  "[ 3/4 → 13/16 | note:c s:sawtooth cutoff:600 hpdepthfrequency:200 ]",
+  "[ 13/16 → 7/8 | note:c s:sawtooth cutoff:600 hpdepthfrequency:200 ]",
+  "[ 7/8 → 15/16 | note:c# s:sawtooth cutoff:600 hpdepthfrequency:200 ]",
+  "[ 15/16 → 1/1 | note:c s:sawtooth cutoff:600 hpdepthfrequency:200 ]",
+  "[ 1/1 → 17/16 | note:c s:sawtooth cutoff:600 hpdepthfrequency:500 ]",
+  "[ 17/16 → 9/8 | note:c4 s:sawtooth cutoff:600 hpdepthfrequency:500 ]",
+  "[ 9/8 → 19/16 | note:c s:sawtooth cutoff:600 hpdepthfrequency:500 ]",
+  "[ 19/16 → 5/4 | note:c s:sawtooth cutoff:600 hpdepthfrequency:500 ]",
+  "[ 5/4 → 21/16 | note:c# s:sawtooth cutoff:600 hpdepthfrequency:500 ]",
+  "[ 21/16 → 11/8 | note:c s:sawtooth cutoff:600 hpdepthfrequency:500 ]",
+  "[ 11/8 → 23/16 | note:c s:sawtooth cutoff:600 hpdepthfrequency:500 ]",
+  "[ 23/16 → 3/2 | note:c4 s:sawtooth cutoff:600 hpdepthfrequency:500 ]",
+  "[ 3/2 → 25/16 | note:c s:sawtooth cutoff:600 hpdepthfrequency:500 ]",
+  "[ 25/16 → 13/8 | note:c s:sawtooth cutoff:600 hpdepthfrequency:500 ]",
+  "[ 13/8 → 27/16 | note:c# s:sawtooth cutoff:600 hpdepthfrequency:500 ]",
+  "[ 27/16 → 7/4 | note:c s:sawtooth cutoff:600 hpdepthfrequency:500 ]",
+  "[ 7/4 → 29/16 | note:c s:sawtooth cutoff:600 hpdepthfrequency:500 ]",
+  "[ 29/16 → 15/8 | note:c4 s:sawtooth cutoff:600 hpdepthfrequency:500 ]",
+  "[ 15/8 → 31/16 | note:c s:sawtooth cutoff:600 hpdepthfrequency:500 ]",
+  "[ 31/16 → 2/1 | note:c s:sawtooth cutoff:600 hpdepthfrequency:500 ]",
+  "[ 2/1 → 33/16 | note:c# s:sawtooth cutoff:600 hpdepthfrequency:100 ]",
+  "[ 33/16 → 17/8 | note:c s:sawtooth cutoff:600 hpdepthfrequency:100 ]",
+  "[ 17/8 → 35/16 | note:c s:sawtooth cutoff:600 hpdepthfrequency:100 ]",
+  "[ 35/16 → 9/4 | note:c4 s:sawtooth cutoff:600 hpdepthfrequency:100 ]",
+  "[ 9/4 → 37/16 | note:c s:sawtooth cutoff:600 hpdepthfrequency:100 ]",
+  "[ 37/16 → 19/8 | note:c s:sawtooth cutoff:600 hpdepthfrequency:100 ]",
+  "[ 19/8 → 39/16 | note:c# s:sawtooth cutoff:600 hpdepthfrequency:100 ]",
+  "[ 39/16 → 5/2 | note:c s:sawtooth cutoff:600 hpdepthfrequency:100 ]",
+  "[ 5/2 → 41/16 | note:c s:sawtooth cutoff:600 hpdepthfrequency:100 ]",
+  "[ 41/16 → 21/8 | note:c4 s:sawtooth cutoff:600 hpdepthfrequency:100 ]",
+  "[ 21/8 → 43/16 | note:c s:sawtooth cutoff:600 hpdepthfrequency:100 ]",
+  "[ 43/16 → 11/4 | note:c s:sawtooth cutoff:600 hpdepthfrequency:100 ]",
+  "[ 11/4 → 45/16 | note:c# s:sawtooth cutoff:600 hpdepthfrequency:100 ]",
+  "[ 45/16 → 23/8 | note:c s:sawtooth cutoff:600 hpdepthfrequency:100 ]",
+  "[ 23/8 → 47/16 | note:c s:sawtooth cutoff:600 hpdepthfrequency:100 ]",
+  "[ 47/16 → 3/1 | note:c4 s:sawtooth cutoff:600 hpdepthfrequency:100 ]",
+  "[ 3/1 → 49/16 | note:c s:sawtooth cutoff:600 hpdepthfrequency:0 ]",
+  "[ 49/16 → 25/8 | note:c s:sawtooth cutoff:600 hpdepthfrequency:0 ]",
+  "[ 25/8 → 51/16 | note:c# s:sawtooth cutoff:600 hpdepthfrequency:0 ]",
+  "[ 51/16 → 13/4 | note:c s:sawtooth cutoff:600 hpdepthfrequency:0 ]",
+  "[ 13/4 → 53/16 | note:c s:sawtooth cutoff:600 hpdepthfrequency:0 ]",
+  "[ 53/16 → 27/8 | note:c4 s:sawtooth cutoff:600 hpdepthfrequency:0 ]",
+  "[ 27/8 → 55/16 | note:c s:sawtooth cutoff:600 hpdepthfrequency:0 ]",
+  "[ 55/16 → 7/2 | note:c s:sawtooth cutoff:600 hpdepthfrequency:0 ]",
+  "[ 7/2 → 57/16 | note:c# s:sawtooth cutoff:600 hpdepthfrequency:0 ]",
+  "[ 57/16 → 29/8 | note:c s:sawtooth cutoff:600 hpdepthfrequency:0 ]",
+  "[ 29/8 → 59/16 | note:c s:sawtooth cutoff:600 hpdepthfrequency:0 ]",
+  "[ 59/16 → 15/4 | note:c4 s:sawtooth cutoff:600 hpdepthfrequency:0 ]",
+  "[ 15/4 → 61/16 | note:c s:sawtooth cutoff:600 hpdepthfrequency:0 ]",
+  "[ 61/16 → 31/8 | note:c s:sawtooth cutoff:600 hpdepthfrequency:0 ]",
+  "[ 31/8 → 63/16 | note:c# s:sawtooth cutoff:600 hpdepthfrequency:0 ]",
+  "[ 63/16 → 4/1 | note:c s:sawtooth cutoff:600 hpdepthfrequency:0 ]",
+]
+`;
+
 exports[`runs examples > example "hpenv" example index 0 1`] = `
 [
   "[ 0/1 → 1/4 | note:c2 s:sawtooth hcutoff:500 hpattack:0.5 hpenv:4 ]",
@@ -5969,6 +6107,144 @@ exports[`runs examples > example "lpdecay" example index 0 1`] = `
 ]
 `;
 
+exports[`runs examples > example "lpdepth" example index 0 1`] = `
+[
+  "[ 0/1 → 1/16 | note:c s:sawtooth cutoff:600 lpdepth:1 ]",
+  "[ 1/16 → 1/8 | note:c s:sawtooth cutoff:600 lpdepth:1 ]",
+  "[ 1/8 → 3/16 | note:c# s:sawtooth cutoff:600 lpdepth:1 ]",
+  "[ 3/16 → 1/4 | note:c s:sawtooth cutoff:600 lpdepth:1 ]",
+  "[ 1/4 → 5/16 | note:c s:sawtooth cutoff:600 lpdepth:1 ]",
+  "[ 5/16 → 3/8 | note:c4 s:sawtooth cutoff:600 lpdepth:1 ]",
+  "[ 3/8 → 7/16 | note:c s:sawtooth cutoff:600 lpdepth:1 ]",
+  "[ 7/16 → 1/2 | note:c s:sawtooth cutoff:600 lpdepth:1 ]",
+  "[ 1/2 → 9/16 | note:c# s:sawtooth cutoff:600 lpdepth:1 ]",
+  "[ 9/16 → 5/8 | note:c s:sawtooth cutoff:600 lpdepth:1 ]",
+  "[ 5/8 → 11/16 | note:c s:sawtooth cutoff:600 lpdepth:1 ]",
+  "[ 11/16 → 3/4 | note:c4 s:sawtooth cutoff:600 lpdepth:1 ]",
+  "[ 3/4 → 13/16 | note:c s:sawtooth cutoff:600 lpdepth:1 ]",
+  "[ 13/16 → 7/8 | note:c s:sawtooth cutoff:600 lpdepth:1 ]",
+  "[ 7/8 → 15/16 | note:c# s:sawtooth cutoff:600 lpdepth:1 ]",
+  "[ 15/16 → 1/1 | note:c s:sawtooth cutoff:600 lpdepth:1 ]",
+  "[ 1/1 → 17/16 | note:c s:sawtooth cutoff:600 lpdepth:0.5 ]",
+  "[ 17/16 → 9/8 | note:c4 s:sawtooth cutoff:600 lpdepth:0.5 ]",
+  "[ 9/8 → 19/16 | note:c s:sawtooth cutoff:600 lpdepth:0.5 ]",
+  "[ 19/16 → 5/4 | note:c s:sawtooth cutoff:600 lpdepth:0.5 ]",
+  "[ 5/4 → 21/16 | note:c# s:sawtooth cutoff:600 lpdepth:0.5 ]",
+  "[ 21/16 → 11/8 | note:c s:sawtooth cutoff:600 lpdepth:0.5 ]",
+  "[ 11/8 → 23/16 | note:c s:sawtooth cutoff:600 lpdepth:0.5 ]",
+  "[ 23/16 → 3/2 | note:c4 s:sawtooth cutoff:600 lpdepth:0.5 ]",
+  "[ 3/2 → 25/16 | note:c s:sawtooth cutoff:600 lpdepth:0.5 ]",
+  "[ 25/16 → 13/8 | note:c s:sawtooth cutoff:600 lpdepth:0.5 ]",
+  "[ 13/8 → 27/16 | note:c# s:sawtooth cutoff:600 lpdepth:0.5 ]",
+  "[ 27/16 → 7/4 | note:c s:sawtooth cutoff:600 lpdepth:0.5 ]",
+  "[ 7/4 → 29/16 | note:c s:sawtooth cutoff:600 lpdepth:0.5 ]",
+  "[ 29/16 → 15/8 | note:c4 s:sawtooth cutoff:600 lpdepth:0.5 ]",
+  "[ 15/8 → 31/16 | note:c s:sawtooth cutoff:600 lpdepth:0.5 ]",
+  "[ 31/16 → 2/1 | note:c s:sawtooth cutoff:600 lpdepth:0.5 ]",
+  "[ 2/1 → 33/16 | note:c# s:sawtooth cutoff:600 lpdepth:1.8 ]",
+  "[ 33/16 → 17/8 | note:c s:sawtooth cutoff:600 lpdepth:1.8 ]",
+  "[ 17/8 → 35/16 | note:c s:sawtooth cutoff:600 lpdepth:1.8 ]",
+  "[ 35/16 → 9/4 | note:c4 s:sawtooth cutoff:600 lpdepth:1.8 ]",
+  "[ 9/4 → 37/16 | note:c s:sawtooth cutoff:600 lpdepth:1.8 ]",
+  "[ 37/16 → 19/8 | note:c s:sawtooth cutoff:600 lpdepth:1.8 ]",
+  "[ 19/8 → 39/16 | note:c# s:sawtooth cutoff:600 lpdepth:1.8 ]",
+  "[ 39/16 → 5/2 | note:c s:sawtooth cutoff:600 lpdepth:1.8 ]",
+  "[ 5/2 → 41/16 | note:c s:sawtooth cutoff:600 lpdepth:1.8 ]",
+  "[ 41/16 → 21/8 | note:c4 s:sawtooth cutoff:600 lpdepth:1.8 ]",
+  "[ 21/8 → 43/16 | note:c s:sawtooth cutoff:600 lpdepth:1.8 ]",
+  "[ 43/16 → 11/4 | note:c s:sawtooth cutoff:600 lpdepth:1.8 ]",
+  "[ 11/4 → 45/16 | note:c# s:sawtooth cutoff:600 lpdepth:1.8 ]",
+  "[ 45/16 → 23/8 | note:c s:sawtooth cutoff:600 lpdepth:1.8 ]",
+  "[ 23/8 → 47/16 | note:c s:sawtooth cutoff:600 lpdepth:1.8 ]",
+  "[ 47/16 → 3/1 | note:c4 s:sawtooth cutoff:600 lpdepth:1.8 ]",
+  "[ 3/1 → 49/16 | note:c s:sawtooth cutoff:600 lpdepth:0 ]",
+  "[ 49/16 → 25/8 | note:c s:sawtooth cutoff:600 lpdepth:0 ]",
+  "[ 25/8 → 51/16 | note:c# s:sawtooth cutoff:600 lpdepth:0 ]",
+  "[ 51/16 → 13/4 | note:c s:sawtooth cutoff:600 lpdepth:0 ]",
+  "[ 13/4 → 53/16 | note:c s:sawtooth cutoff:600 lpdepth:0 ]",
+  "[ 53/16 → 27/8 | note:c4 s:sawtooth cutoff:600 lpdepth:0 ]",
+  "[ 27/8 → 55/16 | note:c s:sawtooth cutoff:600 lpdepth:0 ]",
+  "[ 55/16 → 7/2 | note:c s:sawtooth cutoff:600 lpdepth:0 ]",
+  "[ 7/2 → 57/16 | note:c# s:sawtooth cutoff:600 lpdepth:0 ]",
+  "[ 57/16 → 29/8 | note:c s:sawtooth cutoff:600 lpdepth:0 ]",
+  "[ 29/8 → 59/16 | note:c s:sawtooth cutoff:600 lpdepth:0 ]",
+  "[ 59/16 → 15/4 | note:c4 s:sawtooth cutoff:600 lpdepth:0 ]",
+  "[ 15/4 → 61/16 | note:c s:sawtooth cutoff:600 lpdepth:0 ]",
+  "[ 61/16 → 31/8 | note:c s:sawtooth cutoff:600 lpdepth:0 ]",
+  "[ 31/8 → 63/16 | note:c# s:sawtooth cutoff:600 lpdepth:0 ]",
+  "[ 63/16 → 4/1 | note:c s:sawtooth cutoff:600 lpdepth:0 ]",
+]
+`;
+
+exports[`runs examples > example "lpdepthfrequency" example index 0 1`] = `
+[
+  "[ 0/1 → 1/16 | note:c s:sawtooth cutoff:600 lpdepthfrequency:200 ]",
+  "[ 1/16 → 1/8 | note:c s:sawtooth cutoff:600 lpdepthfrequency:200 ]",
+  "[ 1/8 → 3/16 | note:c# s:sawtooth cutoff:600 lpdepthfrequency:200 ]",
+  "[ 3/16 → 1/4 | note:c s:sawtooth cutoff:600 lpdepthfrequency:200 ]",
+  "[ 1/4 → 5/16 | note:c s:sawtooth cutoff:600 lpdepthfrequency:200 ]",
+  "[ 5/16 → 3/8 | note:c4 s:sawtooth cutoff:600 lpdepthfrequency:200 ]",
+  "[ 3/8 → 7/16 | note:c s:sawtooth cutoff:600 lpdepthfrequency:200 ]",
+  "[ 7/16 → 1/2 | note:c s:sawtooth cutoff:600 lpdepthfrequency:200 ]",
+  "[ 1/2 → 9/16 | note:c# s:sawtooth cutoff:600 lpdepthfrequency:200 ]",
+  "[ 9/16 → 5/8 | note:c s:sawtooth cutoff:600 lpdepthfrequency:200 ]",
+  "[ 5/8 → 11/16 | note:c s:sawtooth cutoff:600 lpdepthfrequency:200 ]",
+  "[ 11/16 → 3/4 | note:c4 s:sawtooth cutoff:600 lpdepthfrequency:200 ]",
+  "[ 3/4 → 13/16 | note:c s:sawtooth cutoff:600 lpdepthfrequency:200 ]",
+  "[ 13/16 → 7/8 | note:c s:sawtooth cutoff:600 lpdepthfrequency:200 ]",
+  "[ 7/8 → 15/16 | note:c# s:sawtooth cutoff:600 lpdepthfrequency:200 ]",
+  "[ 15/16 → 1/1 | note:c s:sawtooth cutoff:600 lpdepthfrequency:200 ]",
+  "[ 1/1 → 17/16 | note:c s:sawtooth cutoff:600 lpdepthfrequency:500 ]",
+  "[ 17/16 → 9/8 | note:c4 s:sawtooth cutoff:600 lpdepthfrequency:500 ]",
+  "[ 9/8 → 19/16 | note:c s:sawtooth cutoff:600 lpdepthfrequency:500 ]",
+  "[ 19/16 → 5/4 | note:c s:sawtooth cutoff:600 lpdepthfrequency:500 ]",
+  "[ 5/4 → 21/16 | note:c# s:sawtooth cutoff:600 lpdepthfrequency:500 ]",
+  "[ 21/16 → 11/8 | note:c s:sawtooth cutoff:600 lpdepthfrequency:500 ]",
+  "[ 11/8 → 23/16 | note:c s:sawtooth cutoff:600 lpdepthfrequency:500 ]",
+  "[ 23/16 → 3/2 | note:c4 s:sawtooth cutoff:600 lpdepthfrequency:500 ]",
+  "[ 3/2 → 25/16 | note:c s:sawtooth cutoff:600 lpdepthfrequency:500 ]",
+  "[ 25/16 → 13/8 | note:c s:sawtooth cutoff:600 lpdepthfrequency:500 ]",
+  "[ 13/8 → 27/16 | note:c# s:sawtooth cutoff:600 lpdepthfrequency:500 ]",
+  "[ 27/16 → 7/4 | note:c s:sawtooth cutoff:600 lpdepthfrequency:500 ]",
+  "[ 7/4 → 29/16 | note:c s:sawtooth cutoff:600 lpdepthfrequency:500 ]",
+  "[ 29/16 → 15/8 | note:c4 s:sawtooth cutoff:600 lpdepthfrequency:500 ]",
+  "[ 15/8 → 31/16 | note:c s:sawtooth cutoff:600 lpdepthfrequency:500 ]",
+  "[ 31/16 → 2/1 | note:c s:sawtooth cutoff:600 lpdepthfrequency:500 ]",
+  "[ 2/1 → 33/16 | note:c# s:sawtooth cutoff:600 lpdepthfrequency:100 ]",
+  "[ 33/16 → 17/8 | note:c s:sawtooth cutoff:600 lpdepthfrequency:100 ]",
+  "[ 17/8 → 35/16 | note:c s:sawtooth cutoff:600 lpdepthfrequency:100 ]",
+  "[ 35/16 → 9/4 | note:c4 s:sawtooth cutoff:600 lpdepthfrequency:100 ]",
+  "[ 9/4 → 37/16 | note:c s:sawtooth cutoff:600 lpdepthfrequency:100 ]",
+  "[ 37/16 → 19/8 | note:c s:sawtooth cutoff:600 lpdepthfrequency:100 ]",
+  "[ 19/8 → 39/16 | note:c# s:sawtooth cutoff:600 lpdepthfrequency:100 ]",
+  "[ 39/16 → 5/2 | note:c s:sawtooth cutoff:600 lpdepthfrequency:100 ]",
+  "[ 5/2 → 41/16 | note:c s:sawtooth cutoff:600 lpdepthfrequency:100 ]",
+  "[ 41/16 → 21/8 | note:c4 s:sawtooth cutoff:600 lpdepthfrequency:100 ]",
+  "[ 21/8 → 43/16 | note:c s:sawtooth cutoff:600 lpdepthfrequency:100 ]",
+  "[ 43/16 → 11/4 | note:c s:sawtooth cutoff:600 lpdepthfrequency:100 ]",
+  "[ 11/4 → 45/16 | note:c# s:sawtooth cutoff:600 lpdepthfrequency:100 ]",
+  "[ 45/16 → 23/8 | note:c s:sawtooth cutoff:600 lpdepthfrequency:100 ]",
+  "[ 23/8 → 47/16 | note:c s:sawtooth cutoff:600 lpdepthfrequency:100 ]",
+  "[ 47/16 → 3/1 | note:c4 s:sawtooth cutoff:600 lpdepthfrequency:100 ]",
+  "[ 3/1 → 49/16 | note:c s:sawtooth cutoff:600 lpdepthfrequency:0 ]",
+  "[ 49/16 → 25/8 | note:c s:sawtooth cutoff:600 lpdepthfrequency:0 ]",
+  "[ 25/8 → 51/16 | note:c# s:sawtooth cutoff:600 lpdepthfrequency:0 ]",
+  "[ 51/16 → 13/4 | note:c s:sawtooth cutoff:600 lpdepthfrequency:0 ]",
+  "[ 13/4 → 53/16 | note:c s:sawtooth cutoff:600 lpdepthfrequency:0 ]",
+  "[ 53/16 → 27/8 | note:c4 s:sawtooth cutoff:600 lpdepthfrequency:0 ]",
+  "[ 27/8 → 55/16 | note:c s:sawtooth cutoff:600 lpdepthfrequency:0 ]",
+  "[ 55/16 → 7/2 | note:c s:sawtooth cutoff:600 lpdepthfrequency:0 ]",
+  "[ 7/2 → 57/16 | note:c# s:sawtooth cutoff:600 lpdepthfrequency:0 ]",
+  "[ 57/16 → 29/8 | note:c s:sawtooth cutoff:600 lpdepthfrequency:0 ]",
+  "[ 29/8 → 59/16 | note:c s:sawtooth cutoff:600 lpdepthfrequency:0 ]",
+  "[ 59/16 → 15/4 | note:c4 s:sawtooth cutoff:600 lpdepthfrequency:0 ]",
+  "[ 15/4 → 61/16 | note:c s:sawtooth cutoff:600 lpdepthfrequency:0 ]",
+  "[ 61/16 → 31/8 | note:c s:sawtooth cutoff:600 lpdepthfrequency:0 ]",
+  "[ 31/8 → 63/16 | note:c# s:sawtooth cutoff:600 lpdepthfrequency:0 ]",
+  "[ 63/16 → 4/1 | note:c s:sawtooth cutoff:600 lpdepthfrequency:0 ]",
+]
+`;
+
 exports[`runs examples > example "lpenv" example index 0 1`] = `
 [
   "[ 0/1 → 1/4 | note:c2 s:sawtooth cutoff:300 lpattack:0.5 lpenv:4 ]",
@@ -6157,6 +6433,75 @@ exports[`runs examples > example "lpq" example index 0 1`] = `
 ]
 `;
 
+exports[`runs examples > example "lprate" example index 0 1`] = `
+[
+  "[ 0/1 → 1/16 | note:c s:sawtooth cutoff:600 lprate:4 ]",
+  "[ 1/16 → 1/8 | note:c s:sawtooth cutoff:600 lprate:4 ]",
+  "[ 1/8 → 3/16 | note:c# s:sawtooth cutoff:600 lprate:4 ]",
+  "[ 3/16 → 1/4 | note:c s:sawtooth cutoff:600 lprate:4 ]",
+  "[ 1/4 → 5/16 | note:c s:sawtooth cutoff:600 lprate:4 ]",
+  "[ 5/16 → 3/8 | note:c4 s:sawtooth cutoff:600 lprate:4 ]",
+  "[ 3/8 → 7/16 | note:c s:sawtooth cutoff:600 lprate:4 ]",
+  "[ 7/16 → 1/2 | note:c s:sawtooth cutoff:600 lprate:4 ]",
+  "[ 1/2 → 9/16 | note:c# s:sawtooth cutoff:600 lprate:4 ]",
+  "[ 9/16 → 5/8 | note:c s:sawtooth cutoff:600 lprate:4 ]",
+  "[ 5/8 → 11/16 | note:c s:sawtooth cutoff:600 lprate:4 ]",
+  "[ 11/16 → 3/4 | note:c4 s:sawtooth cutoff:600 lprate:4 ]",
+  "[ 3/4 → 13/16 | note:c s:sawtooth cutoff:600 lprate:4 ]",
+  "[ 13/16 → 7/8 | note:c s:sawtooth cutoff:600 lprate:4 ]",
+  "[ 7/8 → 15/16 | note:c# s:sawtooth cutoff:600 lprate:4 ]",
+  "[ 15/16 → 1/1 | note:c s:sawtooth cutoff:600 lprate:4 ]",
+  "[ 1/1 → 17/16 | note:c s:sawtooth cutoff:600 lprate:8 ]",
+  "[ 17/16 → 9/8 | note:c4 s:sawtooth cutoff:600 lprate:8 ]",
+  "[ 9/8 → 19/16 | note:c s:sawtooth cutoff:600 lprate:8 ]",
+  "[ 19/16 → 5/4 | note:c s:sawtooth cutoff:600 lprate:8 ]",
+  "[ 5/4 → 21/16 | note:c# s:sawtooth cutoff:600 lprate:8 ]",
+  "[ 21/16 → 11/8 | note:c s:sawtooth cutoff:600 lprate:8 ]",
+  "[ 11/8 → 23/16 | note:c s:sawtooth cutoff:600 lprate:8 ]",
+  "[ 23/16 → 3/2 | note:c4 s:sawtooth cutoff:600 lprate:8 ]",
+  "[ 3/2 → 25/16 | note:c s:sawtooth cutoff:600 lprate:8 ]",
+  "[ 25/16 → 13/8 | note:c s:sawtooth cutoff:600 lprate:8 ]",
+  "[ 13/8 → 27/16 | note:c# s:sawtooth cutoff:600 lprate:8 ]",
+  "[ 27/16 → 7/4 | note:c s:sawtooth cutoff:600 lprate:8 ]",
+  "[ 7/4 → 29/16 | note:c s:sawtooth cutoff:600 lprate:8 ]",
+  "[ 29/16 → 15/8 | note:c4 s:sawtooth cutoff:600 lprate:8 ]",
+  "[ 15/8 → 31/16 | note:c s:sawtooth cutoff:600 lprate:8 ]",
+  "[ 31/16 → 2/1 | note:c s:sawtooth cutoff:600 lprate:8 ]",
+  "[ 2/1 → 33/16 | note:c# s:sawtooth cutoff:600 lprate:2 ]",
+  "[ 33/16 → 17/8 | note:c s:sawtooth cutoff:600 lprate:2 ]",
+  "[ 17/8 → 35/16 | note:c s:sawtooth cutoff:600 lprate:2 ]",
+  "[ 35/16 → 9/4 | note:c4 s:sawtooth cutoff:600 lprate:2 ]",
+  "[ 9/4 → 37/16 | note:c s:sawtooth cutoff:600 lprate:2 ]",
+  "[ 37/16 → 19/8 | note:c s:sawtooth cutoff:600 lprate:2 ]",
+  "[ 19/8 → 39/16 | note:c# s:sawtooth cutoff:600 lprate:2 ]",
+  "[ 39/16 → 5/2 | note:c s:sawtooth cutoff:600 lprate:2 ]",
+  "[ 5/2 → 41/16 | note:c s:sawtooth cutoff:600 lprate:2 ]",
+  "[ 41/16 → 21/8 | note:c4 s:sawtooth cutoff:600 lprate:2 ]",
+  "[ 21/8 → 43/16 | note:c s:sawtooth cutoff:600 lprate:2 ]",
+  "[ 43/16 → 11/4 | note:c s:sawtooth cutoff:600 lprate:2 ]",
+  "[ 11/4 → 45/16 | note:c# s:sawtooth cutoff:600 lprate:2 ]",
+  "[ 45/16 → 23/8 | note:c s:sawtooth cutoff:600 lprate:2 ]",
+  "[ 23/8 → 47/16 | note:c s:sawtooth cutoff:600 lprate:2 ]",
+  "[ 47/16 → 3/1 | note:c4 s:sawtooth cutoff:600 lprate:2 ]",
+  "[ 3/1 → 49/16 | note:c s:sawtooth cutoff:600 lprate:1 ]",
+  "[ 49/16 → 25/8 | note:c s:sawtooth cutoff:600 lprate:1 ]",
+  "[ 25/8 → 51/16 | note:c# s:sawtooth cutoff:600 lprate:1 ]",
+  "[ 51/16 → 13/4 | note:c s:sawtooth cutoff:600 lprate:1 ]",
+  "[ 13/4 → 53/16 | note:c s:sawtooth cutoff:600 lprate:1 ]",
+  "[ 53/16 → 27/8 | note:c4 s:sawtooth cutoff:600 lprate:1 ]",
+  "[ 27/8 → 55/16 | note:c s:sawtooth cutoff:600 lprate:1 ]",
+  "[ 55/16 → 7/2 | note:c s:sawtooth cutoff:600 lprate:1 ]",
+  "[ 7/2 → 57/16 | note:c# s:sawtooth cutoff:600 lprate:1 ]",
+  "[ 57/16 → 29/8 | note:c s:sawtooth cutoff:600 lprate:1 ]",
+  "[ 29/8 → 59/16 | note:c s:sawtooth cutoff:600 lprate:1 ]",
+  "[ 59/16 → 15/4 | note:c4 s:sawtooth cutoff:600 lprate:1 ]",
+  "[ 15/4 → 61/16 | note:c s:sawtooth cutoff:600 lprate:1 ]",
+  "[ 61/16 → 31/8 | note:c s:sawtooth cutoff:600 lprate:1 ]",
+  "[ 31/8 → 63/16 | note:c# s:sawtooth cutoff:600 lprate:1 ]",
+  "[ 63/16 → 4/1 | note:c s:sawtooth cutoff:600 lprate:1 ]",
+]
+`;
+
 exports[`runs examples > example "lprelease" example index 0 1`] = `
 [
   "[ 0/1 → 1/4 | note:c2 s:sawtooth clip:0.5 cutoff:300 lpenv:4 lprelease:0.5 release:0.5 ]",
@@ -6199,6 +6544,75 @@ exports[`runs examples > example "lpsustain" example index 0 1`] = `
 ]
 `;
 
+exports[`runs examples > example "lpsync" example index 0 1`] = `
+[
+  "[ 0/1 → 1/16 | note:c s:sawtooth cutoff:600 lpsync:4 ]",
+  "[ 1/16 → 1/8 | note:c s:sawtooth cutoff:600 lpsync:4 ]",
+  "[ 1/8 → 3/16 | note:c# s:sawtooth cutoff:600 lpsync:4 ]",
+  "[ 3/16 → 1/4 | note:c s:sawtooth cutoff:600 lpsync:4 ]",
+  "[ 1/4 → 5/16 | note:c s:sawtooth cutoff:600 lpsync:4 ]",
+  "[ 5/16 → 3/8 | note:c4 s:sawtooth cutoff:600 lpsync:4 ]",
+  "[ 3/8 → 7/16 | note:c s:sawtooth cutoff:600 lpsync:4 ]",
+  "[ 7/16 → 1/2 | note:c s:sawtooth cutoff:600 lpsync:4 ]",
+  "[ 1/2 → 9/16 | note:c# s:sawtooth cutoff:600 lpsync:4 ]",
+  "[ 9/16 → 5/8 | note:c s:sawtooth cutoff:600 lpsync:4 ]",
+  "[ 5/8 → 11/16 | note:c s:sawtooth cutoff:600 lpsync:4 ]",
+  "[ 11/16 → 3/4 | note:c4 s:sawtooth cutoff:600 lpsync:4 ]",
+  "[ 3/4 → 13/16 | note:c s:sawtooth cutoff:600 lpsync:4 ]",
+  "[ 13/16 → 7/8 | note:c s:sawtooth cutoff:600 lpsync:4 ]",
+  "[ 7/8 → 15/16 | note:c# s:sawtooth cutoff:600 lpsync:4 ]",
+  "[ 15/16 → 1/1 | note:c s:sawtooth cutoff:600 lpsync:4 ]",
+  "[ 1/1 → 17/16 | note:c s:sawtooth cutoff:600 lpsync:8 ]",
+  "[ 17/16 → 9/8 | note:c4 s:sawtooth cutoff:600 lpsync:8 ]",
+  "[ 9/8 → 19/16 | note:c s:sawtooth cutoff:600 lpsync:8 ]",
+  "[ 19/16 → 5/4 | note:c s:sawtooth cutoff:600 lpsync:8 ]",
+  "[ 5/4 → 21/16 | note:c# s:sawtooth cutoff:600 lpsync:8 ]",
+  "[ 21/16 → 11/8 | note:c s:sawtooth cutoff:600 lpsync:8 ]",
+  "[ 11/8 → 23/16 | note:c s:sawtooth cutoff:600 lpsync:8 ]",
+  "[ 23/16 → 3/2 | note:c4 s:sawtooth cutoff:600 lpsync:8 ]",
+  "[ 3/2 → 25/16 | note:c s:sawtooth cutoff:600 lpsync:8 ]",
+  "[ 25/16 → 13/8 | note:c s:sawtooth cutoff:600 lpsync:8 ]",
+  "[ 13/8 → 27/16 | note:c# s:sawtooth cutoff:600 lpsync:8 ]",
+  "[ 27/16 → 7/4 | note:c s:sawtooth cutoff:600 lpsync:8 ]",
+  "[ 7/4 → 29/16 | note:c s:sawtooth cutoff:600 lpsync:8 ]",
+  "[ 29/16 → 15/8 | note:c4 s:sawtooth cutoff:600 lpsync:8 ]",
+  "[ 15/8 → 31/16 | note:c s:sawtooth cutoff:600 lpsync:8 ]",
+  "[ 31/16 → 2/1 | note:c s:sawtooth cutoff:600 lpsync:8 ]",
+  "[ 2/1 → 33/16 | note:c# s:sawtooth cutoff:600 lpsync:2 ]",
+  "[ 33/16 → 17/8 | note:c s:sawtooth cutoff:600 lpsync:2 ]",
+  "[ 17/8 → 35/16 | note:c s:sawtooth cutoff:600 lpsync:2 ]",
+  "[ 35/16 → 9/4 | note:c4 s:sawtooth cutoff:600 lpsync:2 ]",
+  "[ 9/4 → 37/16 | note:c s:sawtooth cutoff:600 lpsync:2 ]",
+  "[ 37/16 → 19/8 | note:c s:sawtooth cutoff:600 lpsync:2 ]",
+  "[ 19/8 → 39/16 | note:c# s:sawtooth cutoff:600 lpsync:2 ]",
+  "[ 39/16 → 5/2 | note:c s:sawtooth cutoff:600 lpsync:2 ]",
+  "[ 5/2 → 41/16 | note:c s:sawtooth cutoff:600 lpsync:2 ]",
+  "[ 41/16 → 21/8 | note:c4 s:sawtooth cutoff:600 lpsync:2 ]",
+  "[ 21/8 → 43/16 | note:c s:sawtooth cutoff:600 lpsync:2 ]",
+  "[ 43/16 → 11/4 | note:c s:sawtooth cutoff:600 lpsync:2 ]",
+  "[ 11/4 → 45/16 | note:c# s:sawtooth cutoff:600 lpsync:2 ]",
+  "[ 45/16 → 23/8 | note:c s:sawtooth cutoff:600 lpsync:2 ]",
+  "[ 23/8 → 47/16 | note:c s:sawtooth cutoff:600 lpsync:2 ]",
+  "[ 47/16 → 3/1 | note:c4 s:sawtooth cutoff:600 lpsync:2 ]",
+  "[ 3/1 → 49/16 | note:c s:sawtooth cutoff:600 lpsync:1 ]",
+  "[ 49/16 → 25/8 | note:c s:sawtooth cutoff:600 lpsync:1 ]",
+  "[ 25/8 → 51/16 | note:c# s:sawtooth cutoff:600 lpsync:1 ]",
+  "[ 51/16 → 13/4 | note:c s:sawtooth cutoff:600 lpsync:1 ]",
+  "[ 13/4 → 53/16 | note:c s:sawtooth cutoff:600 lpsync:1 ]",
+  "[ 53/16 → 27/8 | note:c4 s:sawtooth cutoff:600 lpsync:1 ]",
+  "[ 27/8 → 55/16 | note:c s:sawtooth cutoff:600 lpsync:1 ]",
+  "[ 55/16 → 7/2 | note:c s:sawtooth cutoff:600 lpsync:1 ]",
+  "[ 7/2 → 57/16 | note:c# s:sawtooth cutoff:600 lpsync:1 ]",
+  "[ 57/16 → 29/8 | note:c s:sawtooth cutoff:600 lpsync:1 ]",
+  "[ 29/8 → 59/16 | note:c s:sawtooth cutoff:600 lpsync:1 ]",
+  "[ 59/16 → 15/4 | note:c4 s:sawtooth cutoff:600 lpsync:1 ]",
+  "[ 15/4 → 61/16 | note:c s:sawtooth cutoff:600 lpsync:1 ]",
+  "[ 61/16 → 31/8 | note:c s:sawtooth cutoff:600 lpsync:1 ]",
+  "[ 31/8 → 63/16 | note:c# s:sawtooth cutoff:600 lpsync:1 ]",
+  "[ 63/16 → 4/1 | note:c s:sawtooth cutoff:600 lpsync:1 ]",
+]
+`;
+
 exports[`runs examples > example "lrate" example index 0 1`] = `
 [
   "[ 0/1 → 1/1 | n:0 s:supersquare leslie:1 lrate:1 ]",