Use errorLogger for query and tonal errors

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

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
@@ -2170,8 +2215,6 @@ export const { speed } = registerControl('speed');
  *
  */
 export const { stretch } = registerControl('stretch');
-export const { pshift } = registerControl('pshift');
-
 /**
  * Used in conjunction with `speed`, accepts values of "r" (rate, default behavior), "c" (cycles), or "s" (seconds). Using `unit "c"` means `speed` will be interpreted in units of cycles, e.g. `speed "1"` means samples will be stretched to fill a cycle. Using `unit "s"` means the playback speed will be adjusted so that the duration is the number of seconds specified by `speed`.
  *

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/superdough/helpers.mjs

@@ -191,8 +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,
@@ -202,12 +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 });
@@ -238,8 +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;
 }
 

packages/superdough/superdough.mjs

@@ -451,7 +451,6 @@ export const superdough = async (value, t, hapDuration, cps = 0.5, cycle = 0.5)
     compressorKnee,
     compressorAttack,
     compressorRelease,
-    pshift,
   } = value;
 
   delaytime = delaytime ?? cycleToSeconds(delaysync, cps);
@@ -531,14 +530,7 @@ export const superdough = async (value, t, hapDuration, cps = 0.5, cycle = 0.5)
   }
   const chain = []; // audio nodes that will be connected to each other sequentially
   chain.push(sourceNode);
-  stretch !== undefined &&
+  stretch !== undefined && chain.push(getWorklet(ac, 'phase-vocoder-processor', { pitchFactor: stretch }));
-    chain.push(
-      getWorklet(ac, 'pitch-processor', { pitchFactor: stretch }, { processorOptions: { vocoderMode: true } }),
-    );
-  pshift !== undefined &&
-    chain.push(
-      getWorklet(ac, 'pitch-processor', { pitchFactor: pshift }, { processorOptions: { vocoderMode: false } }),
-    );
 
   // gain stage
   chain.push(gainNode(gain));
@@ -561,13 +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());
@@ -589,13 +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());
@@ -617,13 +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/worklets.mjs

@@ -569,79 +569,57 @@ function genHannWindow(length) {
   return hannCache.get(length);
 }
 
-class PitchProcessor extends OLAProcessor {
+class PhaseVocoderProcessor extends OLAProcessor {
   static get parameterDescriptors() {
     return [
       {
         name: 'pitchFactor',
-        defaultValue: 1,
+        defaultValue: 1.0,
       },
     ];
   }
 
   constructor(options) {
-    const parentOptions = {
+    options.processorOptions = {
-      ...options,
+      blockSize: BUFFERED_BLOCK_SIZE,
-      processorOptions: {
-        blockSize: BUFFERED_BLOCK_SIZE,
-      },
     };
-    super(parentOptions);
+    super(options);
-
+    this.timeCursor = 0;
-    // if true, use spectral peak-finding to cluster strong bins ('stretch')
-    // else, use simple shift & interpolate ('pitch')
-    this.vocoderMode = options.processorOptions.vocoderMode ?? true;
-
     this.fftSize = this.blockSize;
     this.invfftSize = 1 / this.fftSize;
     this.hannWindow = genHannWindow(this.fftSize);
     // prepare FFT and pre-allocate buffers
-    this.nyquistBin = this.fftSize / 2;
-    this.hannWindow = genHannWindow(this.blockSize);
     this.fft = new FFT(this.fftSize);
     this.freqComplexBuffer = this.fft.createComplexArray();
     this.freqComplexBufferShifted = this.fft.createComplexArray();
     this.timeComplexBuffer = this.fft.createComplexArray();
-    this.timeCursor = 0;
+    this.magnitudes = new Float32Array(this.fftSize / 2 + 1);
-
+    this.peakIndexes = new Int32Array(this.magnitudes.length);
-    // for peak tracking in phase vocoder mode
+    this.nbPeaks = 0;
-    if (this.vocoderMode) {
-      this.magnitudes = new Float32Array(this.fftSize / 2 + 1);
-      this.peakIndexes = new Int32Array(this.magnitudes.length);
-      this.nbPeaks = 0;
-    }
   }
 
   processOLA(inputs, outputs, parameters) {
     // no automation, take last value
     let pitchFactor = parameters.pitchFactor[parameters.pitchFactor.length - 1];
-    if (this.vocoderMode) {
+    if (pitchFactor < 0) {
-      pitchFactor = pitchFactor < 0 ? pitchFactor * 0.25 : pitchFactor;
+      pitchFactor = pitchFactor * 0.25;
-      pitchFactor += 1;
     }
-    pitchFactor = Math.max(0.01, pitchFactor);
+    pitchFactor = Math.max(0, pitchFactor + 1);
     for (let i = 0; i < this.nbInputs; i++) {
       for (let j = 0; j < inputs[i].length; j++) {
         const input = inputs[i][j];
         const output = outputs[i][j];
         this.applyHannWindow(input);
         this.fft.realTransform(this.freqComplexBuffer, input);
-
+        this.computeMagnitudes();
-        if (this.vocoderMode) {
+        this.findPeaks();
-          this.computeMagnitudes();
+        this.shiftPeaks(pitchFactor);
-          this.findPeaks();
-          this.shiftPeaks(pitchFactor);
-        } else {
-          this.shiftSpectrum(pitchFactor);
-        }
-
         this.fft.completeSpectrum(this.freqComplexBufferShifted);
         this.fft.inverseTransform(this.timeComplexBuffer, this.freqComplexBufferShifted);
         this.fft.fromComplexArray(this.timeComplexBuffer, output);
         this.applyHannWindow(output);
       }
     }
-
     this.timeCursor += this.hopSize;
   }
 
@@ -652,47 +630,6 @@ class PitchProcessor extends OLAProcessor {
     }
   }
 
-  writeShiftedBin(destBin, valueReal, valueImag, phaseShiftReal, phaseShiftImag, accumulate) {
-    const shiftedReal = valueReal * phaseShiftReal - valueImag * phaseShiftImag;
-    const shiftedImag = valueReal * phaseShiftImag + valueImag * phaseShiftReal;
-    const destIndex = destBin * 2;
-    if (accumulate) {
-      this.freqComplexBufferShifted[destIndex] += shiftedReal;
-      this.freqComplexBufferShifted[destIndex + 1] += shiftedImag;
-    } else {
-      this.freqComplexBufferShifted[destIndex] = shiftedReal;
-      this.freqComplexBufferShifted[destIndex + 1] = shiftedImag;
-    }
-  }
-
-  /** Shift entire spectrum with simple resampling */
-  shiftSpectrum(pitchFactor) {
-    // zero-fill new spectrum
-    this.freqComplexBufferShifted.fill(0);
-    const nyquist = this.nyquistBin;
-    for (let destBin = 0; destBin <= nyquist; destBin++) {
-      const sourceBin = destBin / pitchFactor;
-      if (sourceBin > nyquist) {
-        break;
-      }
-      const lower = ffloor(sourceBin);
-      const upper = lower + 1 > nyquist ? nyquist : lower + 1;
-      const t = sourceBin - lower;
-      const lowerIndex = lower * 2;
-      const upperIndex = upper * 2;
-      const realLower = this.freqComplexBuffer[lowerIndex];
-      const imagLower = this.freqComplexBuffer[lowerIndex + 1];
-      const realUpper = this.freqComplexBuffer[upperIndex];
-      const imagUpper = this.freqComplexBuffer[upperIndex + 1];
-      const real = lerp(realLower, realUpper, t);
-      const imag = lerp(imagLower, imagUpper, t);
-      const omegaDelta = TWO_PI * this.invfftSize * (destBin - sourceBin);
-      const phaseShiftReal = Math.cos(omegaDelta * this.timeCursor);
-      const phaseShiftImag = Math.sin(omegaDelta * this.timeCursor);
-      this.writeShiftedBin(destBin, real, imag, phaseShiftReal, phaseShiftImag, false);
-    }
-  }
-
   /** Compute squared magnitudes for peak finding **/
   computeMagnitudes() {
     let i = 0,
@@ -764,13 +701,20 @@ class PitchProcessor extends OLAProcessor {
         const indexImag = indexReal + 1;
         const valueReal = this.freqComplexBuffer[indexReal];
         const valueImag = this.freqComplexBuffer[indexImag];
-        this.writeShiftedBin(binIndexShifted, valueReal, valueImag, phaseShiftReal, phaseShiftImag, true);
+
+        const valueShiftedReal = valueReal * phaseShiftReal - valueImag * phaseShiftImag;
+        const valueShiftedImag = valueReal * phaseShiftImag + valueImag * phaseShiftReal;
+
+        const indexShiftedReal = 2 * binIndexShifted;
+        const indexShiftedImag = indexShiftedReal + 1;
+        this.freqComplexBufferShifted[indexShiftedReal] += valueShiftedReal;
+        this.freqComplexBufferShifted[indexShiftedImag] += valueShiftedImag;
       }
     }
   }
 }
 
-registerProcessor('pitch-processor', PitchProcessor);
+registerProcessor('phase-vocoder-processor', PhaseVocoderProcessor);
 
 // Adapted from https://www.musicdsp.org/en/latest/Effects/221-band-limited-pwm-generator.html
 class PulseOscillatorProcessor extends AudioWorkletProcessor {

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 ]",