almost working

Reviewed-on: https://codeberg.org/uzu/strudel/pulls/1422

jsdoc/jsdoc-synonyms.js

@@ -1,5 +1,5 @@
 /*
-jsdoc-synonyms.js - Add support for @synonym tag
+jsdoc-synonyms.js - Add support for @synonyms tag
 Copyright (C) 2023 Strudel contributors - see <https://codeberg.org/uzu/strudel/activity/contributors>
 This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Affero General Public License for more details. You should have received a copy of the GNU Affero General Public License along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */

packages/core/controls.mjs

@@ -444,6 +444,78 @@ export const { crush } = registerControl('crush');
  */
 export const { coarse } = registerControl('coarse');
 
+/**
+ * modulate the amplitude of a sound with a continuous waveform
+ *
+ * @name tremolo
+ * @synonyms trem
+ * @param {number | Pattern} speed modulation speed in HZ
+ * @example
+ * note("d d d# d".fast(4)).s("supersaw").tremolo("<3 2 100> ").tremoloskew("<.5>")
+ *
+ */
+export const { tremolo } = registerControl(['tremolo', 'tremolodepth', 'tremoloskew', 'tremolophase'], 'trem');
+
+/**
+ * modulate the amplitude of a sound with a continuous waveform
+ *
+ * @name tremolosync
+ * @synonyms tremsync
+ * @param {number | Pattern} cycles modulation speed in cycles
+ * @example
+ * note("d d d# d".fast(4)).s("supersaw").tremolosync("4").tremoloskew("<1 .5 0>")
+ *
+ */
+export const { tremolosync } = registerControl(
+  ['tremolosync', 'tremolodepth', 'tremoloskew', 'tremolophase'],
+  'tremsync',
+);
+
+/**
+ * depth of amplitude modulation
+ *
+ * @name tremolodepth
+ * @synonyms tremdepth
+ * @param {number | Pattern} depth
+ * @example
+ * note("a1 a1 a#1 a1".fast(4)).s("pulse").tremsync(4).tremolodepth("<1 2 .7>")
+ *
+ */
+export const { tremolodepth } = registerControl('tremolodepth', 'tremdepth');
+/**
+ * alter the shape of the modulation waveform
+ *
+ * @name tremoloskew
+ * @synonyms tremskew
+ * @param {number | Pattern} amount between 0 & 1, the shape of the waveform
+ * @example
+ * note("{f a c e}%16").s("sawtooth").tremsync(4).tremoloskew("<.5 0 1>")
+ *
+ */
+export const { tremoloskew } = registerControl('tremoloskew', 'tremskew');
+
+/**
+ * alter the phase of the modulation waveform
+ *
+ * @name tremolophase
+ * @synonyms tremphase
+ * @param {number | Pattern} offset the offset in cycles of the modulation
+ * @example
+ * note("{f a c e}%16").s("sawtooth").tremsync(4).tremolophase("<0 .25 .66>")
+ *
+ */
+export const { tremolophase } = registerControl('tremolophase', 'tremphase');
+
+/**
+ * shape of amplitude modulation
+ *
+ * @name tremoloshape
+ * @param {number | Pattern} shape tri | square | sine | saw | ramp
+ * @example
+ * note("{f g c d}%16").tremsync(4).tremoloshape("<sine tri square>").s("sawtooth")
+ *
+ */
+export const { tremoloshape } = registerControl('tremoloshape', 'tremshape');
 /**
  * filter overdrive for supported filter types
  *
@@ -453,6 +525,30 @@ export const { coarse } = registerControl('coarse');
  * note("{f g g c d a a#}%16".sub(17)).s("supersaw").lpenv(8).lpf(150).lpq(.8).ftype('ladder').drive("<.5 4>")
  *
  */
+
+// TODO: SUPRADOUGH implement post orbit "pump" sidechain effect
+// /**
+//  * modulate the amplitude of an orbit to create a "sidechain" like effect
+//  *
+//  * @name pump
+//  * @param {number | Pattern} speed modulation speed in cycles
+//  * @example
+//  * note("{f g c d}%16").s("sawtooth").pump(".25:.75")
+//  *
+//  */
+// export const { pump } = registerControl(['pump', 'pumpdepth']);
+
+// /**
+//  * modulate the amplitude of an orbit to create a "sidechain" like effect
+//  *
+//  * @name pumpdepth
+//  * @param {number | Pattern} depth depth of modulation from 0 to 1
+//  * @example
+//  * note("{f g c d}%16").s("sawtooth").pump(".25").depth("<.25 .5 .75 1>")
+//  *
+//  */
+// export const { pumpdepth } = registerControl('pumpdepth');
+
 export const { drive } = registerControl('drive');
 
 /**
@@ -1561,18 +1657,6 @@ export const { density } = registerControl('density');
 // ['modwheel'],
 export const { expression } = registerControl('expression');
 export const { sustainpedal } = registerControl('sustainpedal');
-/* // TODO: doesn't seem to do anything
- *
- * Tremolo Audio DSP effect
- *
- * @name tremolodepth
- * @param {number | Pattern} depth between 0 and 1
- * @example
- * n("0,4,7").tremolodepth("<0 .3 .6 .9>").osc()
- *
- */
-export const { tremolodepth, tremdp } = registerControl('tremolodepth', 'tremdp');
-export const { tremolorate, tremr } = registerControl('tremolorate', 'tremr');
 
 export const { fshift } = registerControl('fshift');
 export const { fshiftnote } = registerControl('fshiftnote');
@@ -1649,7 +1733,6 @@ export const { zmod } = registerControl('zmod');
 // like crush but scaled differently
 export const { zcrush } = registerControl('zcrush');
 export const { zdelay } = registerControl('zdelay');
-export const { tremolo } = registerControl('tremolo');
 export const { zzfx } = registerControl('zzfx');
 
 /**

packages/core/cyclist.mjs

@@ -5,7 +5,7 @@ This program is free software: you can redistribute it and/or modify it under th
 */
 
 import createClock from './zyklus.mjs';
-import { logger } from './logger.mjs';
+import { errorLogger, logger } from './logger.mjs';
 
 export class Cyclist {
   constructor({
@@ -76,7 +76,7 @@ export class Cyclist {
             }
           });
         } catch (e) {
-          logger(`[cyclist] error: ${e.message}`);
+          errorLogger(e);
           onError?.(e);
         }
       },

packages/core/idbutils.mjs

@@ -1,9 +1,12 @@
 import { registerSound, onTriggerSample } from '@strudel/webaudio';
-import { isAudioFile } from './files.mjs';
 import { logger } from '@strudel/core';
 
 //utilites for writing and reading to the indexdb
 
+
+export const isAudioFile = (filename) =>
+  ['wav', 'mp3', 'flac', 'ogg', 'm4a', 'aac'].includes(filename.split('.').slice(-1)[0]);
+
 export const userSamplesDBConfig = {
   dbName: 'samples',
   table: 'usersamples',

packages/core/index.mjs

@@ -25,6 +25,8 @@ export * from './cyclist.mjs';
 export * from './logger.mjs';
 export * from './time.mjs';
 export * from './ui.mjs';
+export * from './ui.mjs';
+export * from './idbutils.mjs'
 export { default as drawLine } from './drawLine.mjs';
 // below won't work with runtime.mjs (json import fails)
 /* import * as p from './package.json';

packages/core/logger.mjs

@@ -4,6 +4,12 @@ let debounce = 1000,
   lastMessage,
   lastTime;
 
+export function errorLogger(e, origin = 'cyclist') {
+  //TODO: add some kind of debug flag that enables this  while in dev mode
+  // console.error(e)
+  logger(`[${origin}] error: ${e.message}`);
+}
+
 export function logger(message, type, data = {}) {
   let t = performance.now();
   if (lastMessage === message && t - lastTime < debounce) {

packages/core/neocyclist.mjs

@@ -11,7 +11,6 @@ export class NeoCyclist {
   constructor({ onTrigger, onToggle, getTime }) {
     this.started = false;
     this.cps = 0.5;
-    this.lastTick = 0; // absolute time when last tick (clock callback) happened
     this.getTime = getTime; // get absolute time
     this.time_at_last_tick_message = 0;
     // the clock of the worker and the audio context clock can drift apart over time

packages/core/pattern.mjs

@@ -2522,7 +2522,7 @@ export const { fastchunk, fastChunk } = register(
 /**
  * Like `chunk`, but the function is applied to a looped subcycle of the source pattern.
  * @name chunkInto
- * @synonym chunkinto
+ * @synonyms chunkinto
  * @memberof Pattern
  * @example
  * sound("bd sd ht lt bd - cp lt").chunkInto(4, hurry(2))
@@ -2535,7 +2535,7 @@ export const { chunkinto, chunkInto } = register(['chunkinto', 'chunkInto'], fun
 /**
  * Like `chunkInto`, but moves backwards through the chunks.
  * @name chunkBackInto
- * @synonym chunkbackinto
+ * @synonyms chunkbackinto
  * @memberof Pattern
  * @example
  * sound("bd sd ht lt bd - cp lt").chunkInto(4, hurry(2))
@@ -2565,7 +2565,7 @@ export const bypass = register(
  * Loops the pattern inside an `offset` for `cycles`.
  * If you think of the entire span of time in cycles as a ribbon, you can cut a single piece and loop it.
  * @name ribbon
- * @synonym rib
+ * @synonyms rib
  * @param {number} offset start point of loop in cycles
  * @param {number} cycles loop length in cycles
  * @example

packages/core/repl.mjs

@@ -1,7 +1,7 @@
 import { NeoCyclist } from './neocyclist.mjs';
 import { Cyclist } from './cyclist.mjs';
 import { evaluate as _evaluate } from './evaluate.mjs';
-import { logger } from './logger.mjs';
+import { errorLogger, logger } from './logger.mjs';
 import { setTime } from './time.mjs';
 import { evalScope } from './evaluate.mjs';
 import { register, Pattern, isPattern, silence, stack } from './pattern.mjs';
@@ -256,6 +256,6 @@ export const getTrigger =
         await hap.context.onTrigger(hap, getTime(), cps, t);
       }
     } catch (err) {
-      logger(`[cyclist] error: ${err.message}`, 'error');
+      errorLogger(err, 'getTrigger');
     }
   };

packages/repl/index.mjs

@@ -1,2 +1,3 @@
 export * from './repl-component.mjs';
 export * from './prebake.mjs';
+

packages/repl/prebake.mjs

@@ -1,5 +1,5 @@
-import { noteToMidi, valueToMidi, Pattern, evalScope } from '@strudel/core';
-import { aliasBank, registerSynthSounds, registerZZFXSounds, samples } from '@strudel/webaudio';
+import { noteToMidi, valueToMidi, Pattern, evalScope,registerSamplesFromDB } from '@strudel/core';
+import { aliasBank, registerSynthSounds, registerZZFXSounds, samples, } from '@strudel/webaudio';
 import * as core from '@strudel/core';
 
 export async function prebake() {
@@ -28,6 +28,7 @@ export async function prebake() {
     modulesLoading,
     registerSynthSounds(),
     registerZZFXSounds(),
+    registerSamplesFromDB(),
     //registerSoundfonts(),
     // need dynamic import here, because importing @strudel/soundfonts fails on server:
     // => getting "window is not defined", as soon as "@strudel/soundfonts" is imported statically
@@ -36,9 +37,10 @@ export async function prebake() {
     samples(`${ds}/tidal-drum-machines.json`),
     samples(`${ds}/piano.json`),
     samples(`${ds}/Dirt-Samples.json`),
-    samples(`${ds}/EmuSP12.json`),
+    samples(`https://raw.githubusercontent.com/tidalcycles/uzu-drumkit/main/strudel.json`),
     samples(`${ds}/vcsl.json`),
     samples(`${ds}/mridangam.json`),
+    registerSamplesFromDB(),
   ]);
 
   aliasBank(`${ts}/tidal-drum-machines-alias.json`);

packages/superdough/sampler.mjs

@@ -216,50 +216,63 @@ function getSamplesPrefixHandler(url) {
  */
 
 export const samples = async (sampleMap, baseUrl = sampleMap._base || '', options = {}) => {
+
   if (typeof sampleMap === 'string') {
-    // check if custom prefix handler
-    const handler = getSamplesPrefixHandler(sampleMap);
-    if (handler) {
-      return handler(sampleMap);
-    }
-    sampleMap = resolveSpecialPaths(sampleMap);
-    if (sampleMap.startsWith('github:')) {
-      sampleMap = githubPath(sampleMap, 'strudel.json');
-    }
-    if (sampleMap.startsWith('local:')) {
-      sampleMap = `http://localhost:5432`;
-    }
-    if (sampleMap.startsWith('shabda:')) {
-      let [_, path] = sampleMap.split('shabda:');
-      sampleMap = `https://shabda.ndre.gr/${path}.json?strudel=1`;
-    }
-    if (sampleMap.startsWith('shabda/speech')) {
-      let [_, path] = sampleMap.split('shabda/speech');
-      path = path.startsWith('/') ? path.substring(1) : path;
-      let [params, words] = path.split(':');
-      let gender = 'f';
-      let language = 'en-GB';
-      if (params) {
-        [language, gender] = params.split('/');
-      }
-      sampleMap = `https://shabda.ndre.gr/speech/${words}.json?gender=${gender}&language=${language}&strudel=1'`;
-    }
-    if (typeof fetch !== 'function') {
-      // not a browser
-      return;
-    }
     const base = sampleMap.split('/').slice(0, -1).join('/');
-    if (typeof fetch === 'undefined') {
-      // skip fetch when in node / testing
-      return;
+    const savedJSON = localStorage.getItem(sampleMap)
+    if (savedJSON) {
+      const json = JSON.parse(savedJSON)
+      samples(json, baseUrl || json._base || base, options)
+    } else {
+
+
+      // check if custom prefix handler
+      const handler = getSamplesPrefixHandler(sampleMap);
+      if (handler) {
+        return handler(sampleMap);
+      }
+      sampleMap = resolveSpecialPaths(sampleMap);
+      if (sampleMap.startsWith('github:')) {
+        sampleMap = githubPath(sampleMap, 'strudel.json');
+      }
+      if (sampleMap.startsWith('local:')) {
+        sampleMap = `http://localhost:5432`;
+      }
+      if (sampleMap.startsWith('shabda:')) {
+        let [_, path] = sampleMap.split('shabda:');
+        sampleMap = `https://shabda.ndre.gr/${path}.json?strudel=1`;
+      }
+      if (sampleMap.startsWith('shabda/speech')) {
+        let [_, path] = sampleMap.split('shabda/speech');
+        path = path.startsWith('/') ? path.substring(1) : path;
+        let [params, words] = path.split(':');
+        let gender = 'f';
+        let language = 'en-GB';
+        if (params) {
+          [language, gender] = params.split('/');
+        }
+        sampleMap = `https://shabda.ndre.gr/speech/${words}.json?gender=${gender}&language=${language}&strudel=1'`;
+      }
+      if (typeof fetch !== 'function') {
+        // not a browser
+        return;
+      }
+
+      if (typeof fetch === 'undefined') {
+        // skip fetch when in node / testing
+        return;
+      }
+      return fetch(sampleMap)
+        .then((res) => res.json())
+        .then((json) => {
+          localStorage.setItem(sampleMap, JSON.stringify(json))
+          samples(json, baseUrl || json._base || base, options)
+        })
+        .catch((error) => {
+          console.error(error);
+          throw new Error(`error loading "${sampleMap}"`);
+        });
     }
-    return fetch(sampleMap)
-      .then((res) => res.json())
-      .then((json) => samples(json, baseUrl || json._base || base, options))
-      .catch((error) => {
-        console.error(error);
-        throw new Error(`error loading "${sampleMap}"`);
-      });
   }
   const { prebake, tag } = options;
   processSampleMap(

packages/superdough/superdough.mjs

@@ -7,7 +7,7 @@ This program is free software: you can redistribute it and/or modify it under th
 import './feedbackdelay.mjs';
 import './reverb.mjs';
 import './vowel.mjs';
-import { clamp, nanFallback, _mod, cycleToSeconds } from './util.mjs';
+import { clamp, nanFallback, _mod, cycleToSeconds, secondsToCycle } from './util.mjs';
 import workletsUrl from './worklets.mjs?audioworklet';
 import { createFilter, gainNode, getCompressor, getWorklet } from './helpers.mjs';
 import { map } from 'nanostores';
@@ -28,6 +28,13 @@ export function setMultiChannelOrbits(bool) {
   multiChannelOrbits = bool == true;
 }
 
+function getModulationShapeInput(val) {
+  if (typeof val === 'number') {
+    return val % 5;
+  }
+  return { tri: 0, triangle: 0, sine: 1, ramp: 2, saw: 3, square: 4 }[val] ?? 0;
+}
+
 export const soundMap = map();
 
 export function registerSound(key, onTrigger, data = {}) {
@@ -336,9 +343,33 @@ function getDelay(orbit, delaytime, delayfeedback, t, channels) {
   return delays[orbit];
 }
 
-export function getLfo(audioContext, time, end, properties = {}) {
-  return getWorklet(audioContext, 'lfo-processor', {
+export function getLfo(audioContext, begin, end, properties = {}) {
+  const { shape = 0, ...props } = properties;
+  const { dcoffset = -0.5, depth = 1 } = properties;
+  const lfoprops = {
     frequency: 1,
+    depth,
+    skew: 0.5,
+    phaseoffset: 0,
+    time: begin,
+    begin,
+    end,
+    shape: getModulationShapeInput(shape),
+    dcoffset,
+    min: dcoffset * depth,
+    max: dcoffset * depth + depth,
+    curve: 1,
+    ...props,
+  };
+
+  return getWorklet(audioContext, 'lfo-processor', lfoprops);
+}
+
+export function getSyncedLfo(audioContext, time, end, cps, cycle, properties = {}) {
+  const frequency = cycle / cps;
+
+  return getWorklet(audioContext, 'lfo-processor', {
+    frequency,
     depth: 1,
     skew: 0,
     phaseoffset: 0,
@@ -461,9 +492,10 @@ function mapChannelNumbers(channels) {
   return (Array.isArray(channels) ? channels : [channels]).map((ch) => ch - 1);
 }
 
-export const superdough = async (value, t, hapDuration, cps = 0.5) => {
+export const superdough = async (value, t, hapDuration, cps = 0.5, cycle = 0.5) => {
   // new: t is always expected to be the absolute target onset time
   const ac = getAudioContext();
+
   let { stretch } = value;
   if (stretch != null) {
     //account for phase vocoder latency
@@ -489,6 +521,12 @@ export const superdough = async (value, t, hapDuration, cps = 0.5) => {
   }
   // destructure
   let {
+    tremolo,
+    tremolosync,
+    tremolodepth = 1,
+    tremoloskew,
+    tremolophase = 0,
+    tremoloshape,
     s = getDefaultValue('s'),
     bank,
     source,
@@ -498,6 +536,7 @@ export const superdough = async (value, t, hapDuration, cps = 0.5) => {
     // filters
     fanchor = getDefaultValue('fanchor'),
     drive = 0.69,
+    release = 0,
     // low pass
     cutoff,
     lpenv,
@@ -530,6 +569,7 @@ export const superdough = async (value, t, hapDuration, cps = 0.5) => {
     phasercenter,
     //
     coarse,
+
     crush,
     shape,
     shapevol = getDefaultValue('shapevol'),
@@ -572,8 +612,11 @@ export const superdough = async (value, t, hapDuration, cps = 0.5) => {
   distortvol = applyGainCurve(distortvol);
   delay = applyGainCurve(delay);
   velocity = applyGainCurve(velocity);
+  tremolodepth = applyGainCurve(tremolodepth);
   gain *= velocity; // velocity currently only multiplies with gain. it might do other things in the future
 
+  const end = t + hapDuration;
+  const endWithRelease = end + release;
   const chainID = Math.round(Math.random() * 1000000);
 
   // oldest audio nodes will be destroyed if maximum polyphony is exceeded
@@ -648,7 +691,7 @@ export const superdough = async (value, t, hapDuration, cps = 0.5) => {
         lprelease,
         lpenv,
         t,
-        t + hapDuration,
+        end,
         fanchor,
         ftype,
         drive,
@@ -672,7 +715,7 @@ export const superdough = async (value, t, hapDuration, cps = 0.5) => {
         hprelease,
         hpenv,
         t,
-        t + hapDuration,
+        end,
         fanchor,
       );
     chain.push(hp());
@@ -683,20 +726,7 @@ export const superdough = async (value, t, hapDuration, cps = 0.5) => {
 
   if (bandf !== undefined) {
     let bp = () =>
-      createFilter(
-        ac,
-        'bandpass',
-        bandf,
-        bandq,
-        bpattack,
-        bpdecay,
-        bpsustain,
-        bprelease,
-        bpenv,
-        t,
-        t + hapDuration,
-        fanchor,
-      );
+      createFilter(ac, 'bandpass', bandf, bandq, bpattack, bpdecay, bpsustain, bprelease, bpenv, t, end, fanchor);
     chain.push(bp());
     if (ftype === '24db') {
       chain.push(bp());
@@ -714,6 +744,33 @@ export const superdough = async (value, t, hapDuration, cps = 0.5) => {
   shape !== undefined && chain.push(getWorklet(ac, 'shape-processor', { shape, postgain: shapevol }));
   distort !== undefined && chain.push(getWorklet(ac, 'distort-processor', { distort, postgain: distortvol }));
 
+  if (tremolosync != null) {
+    tremolo = cps * tremolosync;
+  }
+
+  if (tremolo !== undefined) {
+    // Allow clipping of modulator for more dynamic possiblities, and to prevent speaker overload
+    // EX:  a triangle waveform will clip like this /-\ when the depth is above 1
+    const gain = Math.max(1 - tremolodepth, 0);
+    const amGain = new GainNode(ac, { gain });
+
+    const time = cycle / cps;
+    const lfo = getLfo(ac, t, endWithRelease, {
+      skew: tremoloskew ?? (tremoloshape != null ? 0.5 : 1),
+      frequency: tremolo,
+      depth: tremolodepth,
+      time,
+      dcoffset: 0,
+      shape: tremoloshape,
+      phaseoffset: tremolophase,
+      min: 0,
+      max: 1,
+      curve: 1.5,
+    });
+    lfo.connect(amGain.gain);
+    chain.push(amGain);
+  }
+
   compressorThreshold !== undefined &&
     chain.push(
       getCompressor(ac, compressorThreshold, compressorRatio, compressorKnee, compressorAttack, compressorRelease),
@@ -727,7 +784,7 @@ export const superdough = async (value, t, hapDuration, cps = 0.5) => {
   }
   // phaser
   if (phaser !== undefined && phaserdepth > 0) {
-    const phaserFX = getPhaser(t, t + hapDuration, phaser, phaserdepth, phasercenter, phasersweep);
+    const phaserFX = getPhaser(t, endWithRelease, phaser, phaserdepth, phasercenter, phasersweep);
     chain.push(phaserFX);
   }
 

packages/superdough/util.mjs

@@ -72,3 +72,7 @@ export const getSoundIndex = (n, numSounds) => {
 export function cycleToSeconds(cycle, cps) {
   return cycle / cps;
 }
+
+export function secondsToCycle(t, cps) {
+  return t * cps;
+}

packages/superdough/worklets.mjs

@@ -31,7 +31,7 @@ function polyBlep(phase, dt) {
     return 0;
   }
 }
-
+// The order is important for dough integration
 const waveshapes = {
   tri(phase, skew = 0.5) {
     const x = 1 - skew;
@@ -81,10 +81,12 @@ function getParamValue(block, param) {
   }
   return param[0];
 }
+
 const waveShapeNames = Object.keys(waveshapes);
 class LFOProcessor extends AudioWorkletProcessor {
   static get parameterDescriptors() {
     return [
+      { name: 'begin', defaultValue: 0 },
       { name: 'time', defaultValue: 0 },
       { name: 'end', defaultValue: 0 },
       { name: 'frequency', defaultValue: 0.5 },
@@ -92,7 +94,10 @@ class LFOProcessor extends AudioWorkletProcessor {
       { name: 'depth', defaultValue: 1 },
       { name: 'phaseoffset', defaultValue: 0 },
       { name: 'shape', defaultValue: 0 },
+      { name: 'curve', defaultValue: 1 },
       { name: 'dcoffset', defaultValue: 0 },
+      { name: 'min', defaultValue: 0 },
+      { name: 'max', defaultValue: 1 },
     ];
   }
 
@@ -109,10 +114,14 @@ class LFOProcessor extends AudioWorkletProcessor {
   }
 
   process(inputs, outputs, parameters) {
+    const begin = parameters['begin'][0];
     // eslint-disable-next-line no-undef
     if (currentTime >= parameters.end[0]) {
       return false;
     }
+    if (currentTime <= begin) {
+      return true;
+    }
 
     const output = outputs[0];
     const frequency = parameters['frequency'][0];
@@ -122,7 +131,11 @@ class LFOProcessor extends AudioWorkletProcessor {
     const skew = parameters['skew'][0];
     const phaseoffset = parameters['phaseoffset'][0];
 
+    const curve = parameters['curve'][0];
+
     const dcoffset = parameters['dcoffset'][0];
+    const min = parameters['min'][0];
+    const max = parameters['max'][0];
     const shape = waveShapeNames[parameters['shape'][0]];
 
     const blockSize = output[0].length ?? 0;
@@ -134,8 +147,9 @@ class LFOProcessor extends AudioWorkletProcessor {
     const dt = frequency / sampleRate;
     for (let n = 0; n < blockSize; n++) {
       for (let i = 0; i < output.length; i++) {
-        const modval = (waveshapes[shape](this.phase, skew) + dcoffset) * depth;
-        output[i][n] = modval;
+        let modval = (waveshapes[shape](this.phase, skew) + dcoffset) * depth;
+        modval = Math.pow(modval, curve);
+        output[i][n] = clamp(modval, min, max);
       }
       this.incrementPhase(dt);
     }

packages/webaudio/webaudio.mjs

@@ -17,8 +17,8 @@ const hap2value = (hap) => {
 
 // uses more precise, absolute t if available, see https://github.com/tidalcycles/strudel/pull/1004
 // TODO: refactor output callbacks to eliminate deadline
-export const webaudioOutput = (hap, deadline, hapDuration, cps, t) => {
-  return superdough(hap2value(hap), t, hapDuration, cps);
+export const webaudioOutput = (hap, _deadline, hapDuration, cps, t) => {
+  return superdough(hap2value(hap), t, hapDuration, cps, hap.whole?.begin.valueOf());
 };
 
 export function webaudioRepl(options = {}) {

test/__snapshots__/examples.test.mjs.snap

@@ -10110,6 +10110,420 @@ exports[`runs examples > example "transpose" example index 1 1`] = `
 ]
 `;
 
+exports[`runs examples > example "tremolo" example index 0 1`] = `
+[
+  "[ 0/1 → 1/16 | note:d s:supersaw tremolo:3 tremoloskew:0.5 ]",
+  "[ 1/16 → 1/8 | note:d s:supersaw tremolo:3 tremoloskew:0.5 ]",
+  "[ 1/8 → 3/16 | note:d# s:supersaw tremolo:3 tremoloskew:0.5 ]",
+  "[ 3/16 → 1/4 | note:d s:supersaw tremolo:3 tremoloskew:0.5 ]",
+  "[ 1/4 → 5/16 | note:d s:supersaw tremolo:3 tremoloskew:0.5 ]",
+  "[ 5/16 → 3/8 | note:d s:supersaw tremolo:3 tremoloskew:0.5 ]",
+  "[ 3/8 → 7/16 | note:d# s:supersaw tremolo:3 tremoloskew:0.5 ]",
+  "[ 7/16 → 1/2 | note:d s:supersaw tremolo:3 tremoloskew:0.5 ]",
+  "[ 1/2 → 9/16 | note:d s:supersaw tremolo:3 tremoloskew:0.5 ]",
+  "[ 9/16 → 5/8 | note:d s:supersaw tremolo:3 tremoloskew:0.5 ]",
+  "[ 5/8 → 11/16 | note:d# s:supersaw tremolo:3 tremoloskew:0.5 ]",
+  "[ 11/16 → 3/4 | note:d s:supersaw tremolo:3 tremoloskew:0.5 ]",
+  "[ 3/4 → 13/16 | note:d s:supersaw tremolo:3 tremoloskew:0.5 ]",
+  "[ 13/16 → 7/8 | note:d s:supersaw tremolo:3 tremoloskew:0.5 ]",
+  "[ 7/8 → 15/16 | note:d# s:supersaw tremolo:3 tremoloskew:0.5 ]",
+  "[ 15/16 → 1/1 | note:d s:supersaw tremolo:3 tremoloskew:0.5 ]",
+  "[ 1/1 → 17/16 | note:d s:supersaw tremolo:2 tremoloskew:0.5 ]",
+  "[ 17/16 → 9/8 | note:d s:supersaw tremolo:2 tremoloskew:0.5 ]",
+  "[ 9/8 → 19/16 | note:d# s:supersaw tremolo:2 tremoloskew:0.5 ]",
+  "[ 19/16 → 5/4 | note:d s:supersaw tremolo:2 tremoloskew:0.5 ]",
+  "[ 5/4 → 21/16 | note:d s:supersaw tremolo:2 tremoloskew:0.5 ]",
+  "[ 21/16 → 11/8 | note:d s:supersaw tremolo:2 tremoloskew:0.5 ]",
+  "[ 11/8 → 23/16 | note:d# s:supersaw tremolo:2 tremoloskew:0.5 ]",
+  "[ 23/16 → 3/2 | note:d s:supersaw tremolo:2 tremoloskew:0.5 ]",
+  "[ 3/2 → 25/16 | note:d s:supersaw tremolo:2 tremoloskew:0.5 ]",
+  "[ 25/16 → 13/8 | note:d s:supersaw tremolo:2 tremoloskew:0.5 ]",
+  "[ 13/8 → 27/16 | note:d# s:supersaw tremolo:2 tremoloskew:0.5 ]",
+  "[ 27/16 → 7/4 | note:d s:supersaw tremolo:2 tremoloskew:0.5 ]",
+  "[ 7/4 → 29/16 | note:d s:supersaw tremolo:2 tremoloskew:0.5 ]",
+  "[ 29/16 → 15/8 | note:d s:supersaw tremolo:2 tremoloskew:0.5 ]",
+  "[ 15/8 → 31/16 | note:d# s:supersaw tremolo:2 tremoloskew:0.5 ]",
+  "[ 31/16 → 2/1 | note:d s:supersaw tremolo:2 tremoloskew:0.5 ]",
+  "[ 2/1 → 33/16 | note:d s:supersaw tremolo:100 tremoloskew:0.5 ]",
+  "[ 33/16 → 17/8 | note:d s:supersaw tremolo:100 tremoloskew:0.5 ]",
+  "[ 17/8 → 35/16 | note:d# s:supersaw tremolo:100 tremoloskew:0.5 ]",
+  "[ 35/16 → 9/4 | note:d s:supersaw tremolo:100 tremoloskew:0.5 ]",
+  "[ 9/4 → 37/16 | note:d s:supersaw tremolo:100 tremoloskew:0.5 ]",
+  "[ 37/16 → 19/8 | note:d s:supersaw tremolo:100 tremoloskew:0.5 ]",
+  "[ 19/8 → 39/16 | note:d# s:supersaw tremolo:100 tremoloskew:0.5 ]",
+  "[ 39/16 → 5/2 | note:d s:supersaw tremolo:100 tremoloskew:0.5 ]",
+  "[ 5/2 → 41/16 | note:d s:supersaw tremolo:100 tremoloskew:0.5 ]",
+  "[ 41/16 → 21/8 | note:d s:supersaw tremolo:100 tremoloskew:0.5 ]",
+  "[ 21/8 → 43/16 | note:d# s:supersaw tremolo:100 tremoloskew:0.5 ]",
+  "[ 43/16 → 11/4 | note:d s:supersaw tremolo:100 tremoloskew:0.5 ]",
+  "[ 11/4 → 45/16 | note:d s:supersaw tremolo:100 tremoloskew:0.5 ]",
+  "[ 45/16 → 23/8 | note:d s:supersaw tremolo:100 tremoloskew:0.5 ]",
+  "[ 23/8 → 47/16 | note:d# s:supersaw tremolo:100 tremoloskew:0.5 ]",
+  "[ 47/16 → 3/1 | note:d s:supersaw tremolo:100 tremoloskew:0.5 ]",
+  "[ 3/1 → 49/16 | note:d s:supersaw tremolo:3 tremoloskew:0.5 ]",
+  "[ 49/16 → 25/8 | note:d s:supersaw tremolo:3 tremoloskew:0.5 ]",
+  "[ 25/8 → 51/16 | note:d# s:supersaw tremolo:3 tremoloskew:0.5 ]",
+  "[ 51/16 → 13/4 | note:d s:supersaw tremolo:3 tremoloskew:0.5 ]",
+  "[ 13/4 → 53/16 | note:d s:supersaw tremolo:3 tremoloskew:0.5 ]",
+  "[ 53/16 → 27/8 | note:d s:supersaw tremolo:3 tremoloskew:0.5 ]",
+  "[ 27/8 → 55/16 | note:d# s:supersaw tremolo:3 tremoloskew:0.5 ]",
+  "[ 55/16 → 7/2 | note:d s:supersaw tremolo:3 tremoloskew:0.5 ]",
+  "[ 7/2 → 57/16 | note:d s:supersaw tremolo:3 tremoloskew:0.5 ]",
+  "[ 57/16 → 29/8 | note:d s:supersaw tremolo:3 tremoloskew:0.5 ]",
+  "[ 29/8 → 59/16 | note:d# s:supersaw tremolo:3 tremoloskew:0.5 ]",
+  "[ 59/16 → 15/4 | note:d s:supersaw tremolo:3 tremoloskew:0.5 ]",
+  "[ 15/4 → 61/16 | note:d s:supersaw tremolo:3 tremoloskew:0.5 ]",
+  "[ 61/16 → 31/8 | note:d s:supersaw tremolo:3 tremoloskew:0.5 ]",
+  "[ 31/8 → 63/16 | note:d# s:supersaw tremolo:3 tremoloskew:0.5 ]",
+  "[ 63/16 → 4/1 | note:d s:supersaw tremolo:3 tremoloskew:0.5 ]",
+]
+`;
+
+exports[`runs examples > example "tremolodepth" example index 0 1`] = `
+[
+  "[ 0/1 → 1/16 | note:a1 s:pulse tremolosync:4 tremolodepth:1 ]",
+  "[ 1/16 → 1/8 | note:a1 s:pulse tremolosync:4 tremolodepth:1 ]",
+  "[ 1/8 → 3/16 | note:a#1 s:pulse tremolosync:4 tremolodepth:1 ]",
+  "[ 3/16 → 1/4 | note:a1 s:pulse tremolosync:4 tremolodepth:1 ]",
+  "[ 1/4 → 5/16 | note:a1 s:pulse tremolosync:4 tremolodepth:1 ]",
+  "[ 5/16 → 3/8 | note:a1 s:pulse tremolosync:4 tremolodepth:1 ]",
+  "[ 3/8 → 7/16 | note:a#1 s:pulse tremolosync:4 tremolodepth:1 ]",
+  "[ 7/16 → 1/2 | note:a1 s:pulse tremolosync:4 tremolodepth:1 ]",
+  "[ 1/2 → 9/16 | note:a1 s:pulse tremolosync:4 tremolodepth:1 ]",
+  "[ 9/16 → 5/8 | note:a1 s:pulse tremolosync:4 tremolodepth:1 ]",
+  "[ 5/8 → 11/16 | note:a#1 s:pulse tremolosync:4 tremolodepth:1 ]",
+  "[ 11/16 → 3/4 | note:a1 s:pulse tremolosync:4 tremolodepth:1 ]",
+  "[ 3/4 → 13/16 | note:a1 s:pulse tremolosync:4 tremolodepth:1 ]",
+  "[ 13/16 → 7/8 | note:a1 s:pulse tremolosync:4 tremolodepth:1 ]",
+  "[ 7/8 → 15/16 | note:a#1 s:pulse tremolosync:4 tremolodepth:1 ]",
+  "[ 15/16 → 1/1 | note:a1 s:pulse tremolosync:4 tremolodepth:1 ]",
+  "[ 1/1 → 17/16 | note:a1 s:pulse tremolosync:4 tremolodepth:2 ]",
+  "[ 17/16 → 9/8 | note:a1 s:pulse tremolosync:4 tremolodepth:2 ]",
+  "[ 9/8 → 19/16 | note:a#1 s:pulse tremolosync:4 tremolodepth:2 ]",
+  "[ 19/16 → 5/4 | note:a1 s:pulse tremolosync:4 tremolodepth:2 ]",
+  "[ 5/4 → 21/16 | note:a1 s:pulse tremolosync:4 tremolodepth:2 ]",
+  "[ 21/16 → 11/8 | note:a1 s:pulse tremolosync:4 tremolodepth:2 ]",
+  "[ 11/8 → 23/16 | note:a#1 s:pulse tremolosync:4 tremolodepth:2 ]",
+  "[ 23/16 → 3/2 | note:a1 s:pulse tremolosync:4 tremolodepth:2 ]",
+  "[ 3/2 → 25/16 | note:a1 s:pulse tremolosync:4 tremolodepth:2 ]",
+  "[ 25/16 → 13/8 | note:a1 s:pulse tremolosync:4 tremolodepth:2 ]",
+  "[ 13/8 → 27/16 | note:a#1 s:pulse tremolosync:4 tremolodepth:2 ]",
+  "[ 27/16 → 7/4 | note:a1 s:pulse tremolosync:4 tremolodepth:2 ]",
+  "[ 7/4 → 29/16 | note:a1 s:pulse tremolosync:4 tremolodepth:2 ]",
+  "[ 29/16 → 15/8 | note:a1 s:pulse tremolosync:4 tremolodepth:2 ]",
+  "[ 15/8 → 31/16 | note:a#1 s:pulse tremolosync:4 tremolodepth:2 ]",
+  "[ 31/16 → 2/1 | note:a1 s:pulse tremolosync:4 tremolodepth:2 ]",
+  "[ 2/1 → 33/16 | note:a1 s:pulse tremolosync:4 tremolodepth:0.7 ]",
+  "[ 33/16 → 17/8 | note:a1 s:pulse tremolosync:4 tremolodepth:0.7 ]",
+  "[ 17/8 → 35/16 | note:a#1 s:pulse tremolosync:4 tremolodepth:0.7 ]",
+  "[ 35/16 → 9/4 | note:a1 s:pulse tremolosync:4 tremolodepth:0.7 ]",
+  "[ 9/4 → 37/16 | note:a1 s:pulse tremolosync:4 tremolodepth:0.7 ]",
+  "[ 37/16 → 19/8 | note:a1 s:pulse tremolosync:4 tremolodepth:0.7 ]",
+  "[ 19/8 → 39/16 | note:a#1 s:pulse tremolosync:4 tremolodepth:0.7 ]",
+  "[ 39/16 → 5/2 | note:a1 s:pulse tremolosync:4 tremolodepth:0.7 ]",
+  "[ 5/2 → 41/16 | note:a1 s:pulse tremolosync:4 tremolodepth:0.7 ]",
+  "[ 41/16 → 21/8 | note:a1 s:pulse tremolosync:4 tremolodepth:0.7 ]",
+  "[ 21/8 → 43/16 | note:a#1 s:pulse tremolosync:4 tremolodepth:0.7 ]",
+  "[ 43/16 → 11/4 | note:a1 s:pulse tremolosync:4 tremolodepth:0.7 ]",
+  "[ 11/4 → 45/16 | note:a1 s:pulse tremolosync:4 tremolodepth:0.7 ]",
+  "[ 45/16 → 23/8 | note:a1 s:pulse tremolosync:4 tremolodepth:0.7 ]",
+  "[ 23/8 → 47/16 | note:a#1 s:pulse tremolosync:4 tremolodepth:0.7 ]",
+  "[ 47/16 → 3/1 | note:a1 s:pulse tremolosync:4 tremolodepth:0.7 ]",
+  "[ 3/1 → 49/16 | note:a1 s:pulse tremolosync:4 tremolodepth:1 ]",
+  "[ 49/16 → 25/8 | note:a1 s:pulse tremolosync:4 tremolodepth:1 ]",
+  "[ 25/8 → 51/16 | note:a#1 s:pulse tremolosync:4 tremolodepth:1 ]",
+  "[ 51/16 → 13/4 | note:a1 s:pulse tremolosync:4 tremolodepth:1 ]",
+  "[ 13/4 → 53/16 | note:a1 s:pulse tremolosync:4 tremolodepth:1 ]",
+  "[ 53/16 → 27/8 | note:a1 s:pulse tremolosync:4 tremolodepth:1 ]",
+  "[ 27/8 → 55/16 | note:a#1 s:pulse tremolosync:4 tremolodepth:1 ]",
+  "[ 55/16 → 7/2 | note:a1 s:pulse tremolosync:4 tremolodepth:1 ]",
+  "[ 7/2 → 57/16 | note:a1 s:pulse tremolosync:4 tremolodepth:1 ]",
+  "[ 57/16 → 29/8 | note:a1 s:pulse tremolosync:4 tremolodepth:1 ]",
+  "[ 29/8 → 59/16 | note:a#1 s:pulse tremolosync:4 tremolodepth:1 ]",
+  "[ 59/16 → 15/4 | note:a1 s:pulse tremolosync:4 tremolodepth:1 ]",
+  "[ 15/4 → 61/16 | note:a1 s:pulse tremolosync:4 tremolodepth:1 ]",
+  "[ 61/16 → 31/8 | note:a1 s:pulse tremolosync:4 tremolodepth:1 ]",
+  "[ 31/8 → 63/16 | note:a#1 s:pulse tremolosync:4 tremolodepth:1 ]",
+  "[ 63/16 → 4/1 | note:a1 s:pulse tremolosync:4 tremolodepth:1 ]",
+]
+`;
+
+exports[`runs examples > example "tremolophase" example index 0 1`] = `
+[
+  "[ 0/1 → 1/16 | note:f s:sawtooth tremolosync:4 tremolophase:0 ]",
+  "[ 1/16 → 1/8 | note:a s:sawtooth tremolosync:4 tremolophase:0 ]",
+  "[ 1/8 → 3/16 | note:c s:sawtooth tremolosync:4 tremolophase:0 ]",
+  "[ 3/16 → 1/4 | note:e s:sawtooth tremolosync:4 tremolophase:0 ]",
+  "[ 1/4 → 5/16 | note:f s:sawtooth tremolosync:4 tremolophase:0 ]",
+  "[ 5/16 → 3/8 | note:a s:sawtooth tremolosync:4 tremolophase:0 ]",
+  "[ 3/8 → 7/16 | note:c s:sawtooth tremolosync:4 tremolophase:0 ]",
+  "[ 7/16 → 1/2 | note:e s:sawtooth tremolosync:4 tremolophase:0 ]",
+  "[ 1/2 → 9/16 | note:f s:sawtooth tremolosync:4 tremolophase:0 ]",
+  "[ 9/16 → 5/8 | note:a s:sawtooth tremolosync:4 tremolophase:0 ]",
+  "[ 5/8 → 11/16 | note:c s:sawtooth tremolosync:4 tremolophase:0 ]",
+  "[ 11/16 → 3/4 | note:e s:sawtooth tremolosync:4 tremolophase:0 ]",
+  "[ 3/4 → 13/16 | note:f s:sawtooth tremolosync:4 tremolophase:0 ]",
+  "[ 13/16 → 7/8 | note:a s:sawtooth tremolosync:4 tremolophase:0 ]",
+  "[ 7/8 → 15/16 | note:c s:sawtooth tremolosync:4 tremolophase:0 ]",
+  "[ 15/16 → 1/1 | note:e s:sawtooth tremolosync:4 tremolophase:0 ]",
+  "[ 1/1 → 17/16 | note:f s:sawtooth tremolosync:4 tremolophase:0.25 ]",
+  "[ 17/16 → 9/8 | note:a s:sawtooth tremolosync:4 tremolophase:0.25 ]",
+  "[ 9/8 → 19/16 | note:c s:sawtooth tremolosync:4 tremolophase:0.25 ]",
+  "[ 19/16 → 5/4 | note:e s:sawtooth tremolosync:4 tremolophase:0.25 ]",
+  "[ 5/4 → 21/16 | note:f s:sawtooth tremolosync:4 tremolophase:0.25 ]",
+  "[ 21/16 → 11/8 | note:a s:sawtooth tremolosync:4 tremolophase:0.25 ]",
+  "[ 11/8 → 23/16 | note:c s:sawtooth tremolosync:4 tremolophase:0.25 ]",
+  "[ 23/16 → 3/2 | note:e s:sawtooth tremolosync:4 tremolophase:0.25 ]",
+  "[ 3/2 → 25/16 | note:f s:sawtooth tremolosync:4 tremolophase:0.25 ]",
+  "[ 25/16 → 13/8 | note:a s:sawtooth tremolosync:4 tremolophase:0.25 ]",
+  "[ 13/8 → 27/16 | note:c s:sawtooth tremolosync:4 tremolophase:0.25 ]",
+  "[ 27/16 → 7/4 | note:e s:sawtooth tremolosync:4 tremolophase:0.25 ]",
+  "[ 7/4 → 29/16 | note:f s:sawtooth tremolosync:4 tremolophase:0.25 ]",
+  "[ 29/16 → 15/8 | note:a s:sawtooth tremolosync:4 tremolophase:0.25 ]",
+  "[ 15/8 → 31/16 | note:c s:sawtooth tremolosync:4 tremolophase:0.25 ]",
+  "[ 31/16 → 2/1 | note:e s:sawtooth tremolosync:4 tremolophase:0.25 ]",
+  "[ 2/1 → 33/16 | note:f s:sawtooth tremolosync:4 tremolophase:0.66 ]",
+  "[ 33/16 → 17/8 | note:a s:sawtooth tremolosync:4 tremolophase:0.66 ]",
+  "[ 17/8 → 35/16 | note:c s:sawtooth tremolosync:4 tremolophase:0.66 ]",
+  "[ 35/16 → 9/4 | note:e s:sawtooth tremolosync:4 tremolophase:0.66 ]",
+  "[ 9/4 → 37/16 | note:f s:sawtooth tremolosync:4 tremolophase:0.66 ]",
+  "[ 37/16 → 19/8 | note:a s:sawtooth tremolosync:4 tremolophase:0.66 ]",
+  "[ 19/8 → 39/16 | note:c s:sawtooth tremolosync:4 tremolophase:0.66 ]",
+  "[ 39/16 → 5/2 | note:e s:sawtooth tremolosync:4 tremolophase:0.66 ]",
+  "[ 5/2 → 41/16 | note:f s:sawtooth tremolosync:4 tremolophase:0.66 ]",
+  "[ 41/16 → 21/8 | note:a s:sawtooth tremolosync:4 tremolophase:0.66 ]",
+  "[ 21/8 → 43/16 | note:c s:sawtooth tremolosync:4 tremolophase:0.66 ]",
+  "[ 43/16 → 11/4 | note:e s:sawtooth tremolosync:4 tremolophase:0.66 ]",
+  "[ 11/4 → 45/16 | note:f s:sawtooth tremolosync:4 tremolophase:0.66 ]",
+  "[ 45/16 → 23/8 | note:a s:sawtooth tremolosync:4 tremolophase:0.66 ]",
+  "[ 23/8 → 47/16 | note:c s:sawtooth tremolosync:4 tremolophase:0.66 ]",
+  "[ 47/16 → 3/1 | note:e s:sawtooth tremolosync:4 tremolophase:0.66 ]",
+  "[ 3/1 → 49/16 | note:f s:sawtooth tremolosync:4 tremolophase:0 ]",
+  "[ 49/16 → 25/8 | note:a s:sawtooth tremolosync:4 tremolophase:0 ]",
+  "[ 25/8 → 51/16 | note:c s:sawtooth tremolosync:4 tremolophase:0 ]",
+  "[ 51/16 → 13/4 | note:e s:sawtooth tremolosync:4 tremolophase:0 ]",
+  "[ 13/4 → 53/16 | note:f s:sawtooth tremolosync:4 tremolophase:0 ]",
+  "[ 53/16 → 27/8 | note:a s:sawtooth tremolosync:4 tremolophase:0 ]",
+  "[ 27/8 → 55/16 | note:c s:sawtooth tremolosync:4 tremolophase:0 ]",
+  "[ 55/16 → 7/2 | note:e s:sawtooth tremolosync:4 tremolophase:0 ]",
+  "[ 7/2 → 57/16 | note:f s:sawtooth tremolosync:4 tremolophase:0 ]",
+  "[ 57/16 → 29/8 | note:a s:sawtooth tremolosync:4 tremolophase:0 ]",
+  "[ 29/8 → 59/16 | note:c s:sawtooth tremolosync:4 tremolophase:0 ]",
+  "[ 59/16 → 15/4 | note:e s:sawtooth tremolosync:4 tremolophase:0 ]",
+  "[ 15/4 → 61/16 | note:f s:sawtooth tremolosync:4 tremolophase:0 ]",
+  "[ 61/16 → 31/8 | note:a s:sawtooth tremolosync:4 tremolophase:0 ]",
+  "[ 31/8 → 63/16 | note:c s:sawtooth tremolosync:4 tremolophase:0 ]",
+  "[ 63/16 → 4/1 | note:e s:sawtooth tremolosync:4 tremolophase:0 ]",
+]
+`;
+
+exports[`runs examples > example "tremoloshape" example index 0 1`] = `
+[
+  "[ 0/1 → 1/16 | note:f tremolosync:4 tremoloshape:sine s:sawtooth ]",
+  "[ 1/16 → 1/8 | note:g tremolosync:4 tremoloshape:sine s:sawtooth ]",
+  "[ 1/8 → 3/16 | note:c tremolosync:4 tremoloshape:sine s:sawtooth ]",
+  "[ 3/16 → 1/4 | note:d tremolosync:4 tremoloshape:sine s:sawtooth ]",
+  "[ 1/4 → 5/16 | note:f tremolosync:4 tremoloshape:sine s:sawtooth ]",
+  "[ 5/16 → 3/8 | note:g tremolosync:4 tremoloshape:sine s:sawtooth ]",
+  "[ 3/8 → 7/16 | note:c tremolosync:4 tremoloshape:sine s:sawtooth ]",
+  "[ 7/16 → 1/2 | note:d tremolosync:4 tremoloshape:sine s:sawtooth ]",
+  "[ 1/2 → 9/16 | note:f tremolosync:4 tremoloshape:sine s:sawtooth ]",
+  "[ 9/16 → 5/8 | note:g tremolosync:4 tremoloshape:sine s:sawtooth ]",
+  "[ 5/8 → 11/16 | note:c tremolosync:4 tremoloshape:sine s:sawtooth ]",
+  "[ 11/16 → 3/4 | note:d tremolosync:4 tremoloshape:sine s:sawtooth ]",
+  "[ 3/4 → 13/16 | note:f tremolosync:4 tremoloshape:sine s:sawtooth ]",
+  "[ 13/16 → 7/8 | note:g tremolosync:4 tremoloshape:sine s:sawtooth ]",
+  "[ 7/8 → 15/16 | note:c tremolosync:4 tremoloshape:sine s:sawtooth ]",
+  "[ 15/16 → 1/1 | note:d tremolosync:4 tremoloshape:sine s:sawtooth ]",
+  "[ 1/1 → 17/16 | note:f tremolosync:4 tremoloshape:tri s:sawtooth ]",
+  "[ 17/16 → 9/8 | note:g tremolosync:4 tremoloshape:tri s:sawtooth ]",
+  "[ 9/8 → 19/16 | note:c tremolosync:4 tremoloshape:tri s:sawtooth ]",
+  "[ 19/16 → 5/4 | note:d tremolosync:4 tremoloshape:tri s:sawtooth ]",
+  "[ 5/4 → 21/16 | note:f tremolosync:4 tremoloshape:tri s:sawtooth ]",
+  "[ 21/16 → 11/8 | note:g tremolosync:4 tremoloshape:tri s:sawtooth ]",
+  "[ 11/8 → 23/16 | note:c tremolosync:4 tremoloshape:tri s:sawtooth ]",
+  "[ 23/16 → 3/2 | note:d tremolosync:4 tremoloshape:tri s:sawtooth ]",
+  "[ 3/2 → 25/16 | note:f tremolosync:4 tremoloshape:tri s:sawtooth ]",
+  "[ 25/16 → 13/8 | note:g tremolosync:4 tremoloshape:tri s:sawtooth ]",
+  "[ 13/8 → 27/16 | note:c tremolosync:4 tremoloshape:tri s:sawtooth ]",
+  "[ 27/16 → 7/4 | note:d tremolosync:4 tremoloshape:tri s:sawtooth ]",
+  "[ 7/4 → 29/16 | note:f tremolosync:4 tremoloshape:tri s:sawtooth ]",
+  "[ 29/16 → 15/8 | note:g tremolosync:4 tremoloshape:tri s:sawtooth ]",
+  "[ 15/8 → 31/16 | note:c tremolosync:4 tremoloshape:tri s:sawtooth ]",
+  "[ 31/16 → 2/1 | note:d tremolosync:4 tremoloshape:tri s:sawtooth ]",
+  "[ 2/1 → 33/16 | note:f tremolosync:4 tremoloshape:square s:sawtooth ]",
+  "[ 33/16 → 17/8 | note:g tremolosync:4 tremoloshape:square s:sawtooth ]",
+  "[ 17/8 → 35/16 | note:c tremolosync:4 tremoloshape:square s:sawtooth ]",
+  "[ 35/16 → 9/4 | note:d tremolosync:4 tremoloshape:square s:sawtooth ]",
+  "[ 9/4 → 37/16 | note:f tremolosync:4 tremoloshape:square s:sawtooth ]",
+  "[ 37/16 → 19/8 | note:g tremolosync:4 tremoloshape:square s:sawtooth ]",
+  "[ 19/8 → 39/16 | note:c tremolosync:4 tremoloshape:square s:sawtooth ]",
+  "[ 39/16 → 5/2 | note:d tremolosync:4 tremoloshape:square s:sawtooth ]",
+  "[ 5/2 → 41/16 | note:f tremolosync:4 tremoloshape:square s:sawtooth ]",
+  "[ 41/16 → 21/8 | note:g tremolosync:4 tremoloshape:square s:sawtooth ]",
+  "[ 21/8 → 43/16 | note:c tremolosync:4 tremoloshape:square s:sawtooth ]",
+  "[ 43/16 → 11/4 | note:d tremolosync:4 tremoloshape:square s:sawtooth ]",
+  "[ 11/4 → 45/16 | note:f tremolosync:4 tremoloshape:square s:sawtooth ]",
+  "[ 45/16 → 23/8 | note:g tremolosync:4 tremoloshape:square s:sawtooth ]",
+  "[ 23/8 → 47/16 | note:c tremolosync:4 tremoloshape:square s:sawtooth ]",
+  "[ 47/16 → 3/1 | note:d tremolosync:4 tremoloshape:square s:sawtooth ]",
+  "[ 3/1 → 49/16 | note:f tremolosync:4 tremoloshape:sine s:sawtooth ]",
+  "[ 49/16 → 25/8 | note:g tremolosync:4 tremoloshape:sine s:sawtooth ]",
+  "[ 25/8 → 51/16 | note:c tremolosync:4 tremoloshape:sine s:sawtooth ]",
+  "[ 51/16 → 13/4 | note:d tremolosync:4 tremoloshape:sine s:sawtooth ]",
+  "[ 13/4 → 53/16 | note:f tremolosync:4 tremoloshape:sine s:sawtooth ]",
+  "[ 53/16 → 27/8 | note:g tremolosync:4 tremoloshape:sine s:sawtooth ]",
+  "[ 27/8 → 55/16 | note:c tremolosync:4 tremoloshape:sine s:sawtooth ]",
+  "[ 55/16 → 7/2 | note:d tremolosync:4 tremoloshape:sine s:sawtooth ]",
+  "[ 7/2 → 57/16 | note:f tremolosync:4 tremoloshape:sine s:sawtooth ]",
+  "[ 57/16 → 29/8 | note:g tremolosync:4 tremoloshape:sine s:sawtooth ]",
+  "[ 29/8 → 59/16 | note:c tremolosync:4 tremoloshape:sine s:sawtooth ]",
+  "[ 59/16 → 15/4 | note:d tremolosync:4 tremoloshape:sine s:sawtooth ]",
+  "[ 15/4 → 61/16 | note:f tremolosync:4 tremoloshape:sine s:sawtooth ]",
+  "[ 61/16 → 31/8 | note:g tremolosync:4 tremoloshape:sine s:sawtooth ]",
+  "[ 31/8 → 63/16 | note:c tremolosync:4 tremoloshape:sine s:sawtooth ]",
+  "[ 63/16 → 4/1 | note:d tremolosync:4 tremoloshape:sine s:sawtooth ]",
+]
+`;
+
+exports[`runs examples > example "tremoloskew" example index 0 1`] = `
+[
+  "[ 0/1 → 1/16 | note:f s:sawtooth tremolosync:4 tremoloskew:0.5 ]",
+  "[ 1/16 → 1/8 | note:a s:sawtooth tremolosync:4 tremoloskew:0.5 ]",
+  "[ 1/8 → 3/16 | note:c s:sawtooth tremolosync:4 tremoloskew:0.5 ]",
+  "[ 3/16 → 1/4 | note:e s:sawtooth tremolosync:4 tremoloskew:0.5 ]",
+  "[ 1/4 → 5/16 | note:f s:sawtooth tremolosync:4 tremoloskew:0.5 ]",
+  "[ 5/16 → 3/8 | note:a s:sawtooth tremolosync:4 tremoloskew:0.5 ]",
+  "[ 3/8 → 7/16 | note:c s:sawtooth tremolosync:4 tremoloskew:0.5 ]",
+  "[ 7/16 → 1/2 | note:e s:sawtooth tremolosync:4 tremoloskew:0.5 ]",
+  "[ 1/2 → 9/16 | note:f s:sawtooth tremolosync:4 tremoloskew:0.5 ]",
+  "[ 9/16 → 5/8 | note:a s:sawtooth tremolosync:4 tremoloskew:0.5 ]",
+  "[ 5/8 → 11/16 | note:c s:sawtooth tremolosync:4 tremoloskew:0.5 ]",
+  "[ 11/16 → 3/4 | note:e s:sawtooth tremolosync:4 tremoloskew:0.5 ]",
+  "[ 3/4 → 13/16 | note:f s:sawtooth tremolosync:4 tremoloskew:0.5 ]",
+  "[ 13/16 → 7/8 | note:a s:sawtooth tremolosync:4 tremoloskew:0.5 ]",
+  "[ 7/8 → 15/16 | note:c s:sawtooth tremolosync:4 tremoloskew:0.5 ]",
+  "[ 15/16 → 1/1 | note:e s:sawtooth tremolosync:4 tremoloskew:0.5 ]",
+  "[ 1/1 → 17/16 | note:f s:sawtooth tremolosync:4 tremoloskew:0 ]",
+  "[ 17/16 → 9/8 | note:a s:sawtooth tremolosync:4 tremoloskew:0 ]",
+  "[ 9/8 → 19/16 | note:c s:sawtooth tremolosync:4 tremoloskew:0 ]",
+  "[ 19/16 → 5/4 | note:e s:sawtooth tremolosync:4 tremoloskew:0 ]",
+  "[ 5/4 → 21/16 | note:f s:sawtooth tremolosync:4 tremoloskew:0 ]",
+  "[ 21/16 → 11/8 | note:a s:sawtooth tremolosync:4 tremoloskew:0 ]",
+  "[ 11/8 → 23/16 | note:c s:sawtooth tremolosync:4 tremoloskew:0 ]",
+  "[ 23/16 → 3/2 | note:e s:sawtooth tremolosync:4 tremoloskew:0 ]",
+  "[ 3/2 → 25/16 | note:f s:sawtooth tremolosync:4 tremoloskew:0 ]",
+  "[ 25/16 → 13/8 | note:a s:sawtooth tremolosync:4 tremoloskew:0 ]",
+  "[ 13/8 → 27/16 | note:c s:sawtooth tremolosync:4 tremoloskew:0 ]",
+  "[ 27/16 → 7/4 | note:e s:sawtooth tremolosync:4 tremoloskew:0 ]",
+  "[ 7/4 → 29/16 | note:f s:sawtooth tremolosync:4 tremoloskew:0 ]",
+  "[ 29/16 → 15/8 | note:a s:sawtooth tremolosync:4 tremoloskew:0 ]",
+  "[ 15/8 → 31/16 | note:c s:sawtooth tremolosync:4 tremoloskew:0 ]",
+  "[ 31/16 → 2/1 | note:e s:sawtooth tremolosync:4 tremoloskew:0 ]",
+  "[ 2/1 → 33/16 | note:f s:sawtooth tremolosync:4 tremoloskew:1 ]",
+  "[ 33/16 → 17/8 | note:a s:sawtooth tremolosync:4 tremoloskew:1 ]",
+  "[ 17/8 → 35/16 | note:c s:sawtooth tremolosync:4 tremoloskew:1 ]",
+  "[ 35/16 → 9/4 | note:e s:sawtooth tremolosync:4 tremoloskew:1 ]",
+  "[ 9/4 → 37/16 | note:f s:sawtooth tremolosync:4 tremoloskew:1 ]",
+  "[ 37/16 → 19/8 | note:a s:sawtooth tremolosync:4 tremoloskew:1 ]",
+  "[ 19/8 → 39/16 | note:c s:sawtooth tremolosync:4 tremoloskew:1 ]",
+  "[ 39/16 → 5/2 | note:e s:sawtooth tremolosync:4 tremoloskew:1 ]",
+  "[ 5/2 → 41/16 | note:f s:sawtooth tremolosync:4 tremoloskew:1 ]",
+  "[ 41/16 → 21/8 | note:a s:sawtooth tremolosync:4 tremoloskew:1 ]",
+  "[ 21/8 → 43/16 | note:c s:sawtooth tremolosync:4 tremoloskew:1 ]",
+  "[ 43/16 → 11/4 | note:e s:sawtooth tremolosync:4 tremoloskew:1 ]",
+  "[ 11/4 → 45/16 | note:f s:sawtooth tremolosync:4 tremoloskew:1 ]",
+  "[ 45/16 → 23/8 | note:a s:sawtooth tremolosync:4 tremoloskew:1 ]",
+  "[ 23/8 → 47/16 | note:c s:sawtooth tremolosync:4 tremoloskew:1 ]",
+  "[ 47/16 → 3/1 | note:e s:sawtooth tremolosync:4 tremoloskew:1 ]",
+  "[ 3/1 → 49/16 | note:f s:sawtooth tremolosync:4 tremoloskew:0.5 ]",
+  "[ 49/16 → 25/8 | note:a s:sawtooth tremolosync:4 tremoloskew:0.5 ]",
+  "[ 25/8 → 51/16 | note:c s:sawtooth tremolosync:4 tremoloskew:0.5 ]",
+  "[ 51/16 → 13/4 | note:e s:sawtooth tremolosync:4 tremoloskew:0.5 ]",
+  "[ 13/4 → 53/16 | note:f s:sawtooth tremolosync:4 tremoloskew:0.5 ]",
+  "[ 53/16 → 27/8 | note:a s:sawtooth tremolosync:4 tremoloskew:0.5 ]",
+  "[ 27/8 → 55/16 | note:c s:sawtooth tremolosync:4 tremoloskew:0.5 ]",
+  "[ 55/16 → 7/2 | note:e s:sawtooth tremolosync:4 tremoloskew:0.5 ]",
+  "[ 7/2 → 57/16 | note:f s:sawtooth tremolosync:4 tremoloskew:0.5 ]",
+  "[ 57/16 → 29/8 | note:a s:sawtooth tremolosync:4 tremoloskew:0.5 ]",
+  "[ 29/8 → 59/16 | note:c s:sawtooth tremolosync:4 tremoloskew:0.5 ]",
+  "[ 59/16 → 15/4 | note:e s:sawtooth tremolosync:4 tremoloskew:0.5 ]",
+  "[ 15/4 → 61/16 | note:f s:sawtooth tremolosync:4 tremoloskew:0.5 ]",
+  "[ 61/16 → 31/8 | note:a s:sawtooth tremolosync:4 tremoloskew:0.5 ]",
+  "[ 31/8 → 63/16 | note:c s:sawtooth tremolosync:4 tremoloskew:0.5 ]",
+  "[ 63/16 → 4/1 | note:e s:sawtooth tremolosync:4 tremoloskew:0.5 ]",
+]
+`;
+
+exports[`runs examples > example "tremolosync" example index 0 1`] = `
+[
+  "[ 0/1 → 1/16 | note:d s:supersaw tremolosync:4 tremoloskew:1 ]",
+  "[ 1/16 → 1/8 | note:d s:supersaw tremolosync:4 tremoloskew:1 ]",
+  "[ 1/8 → 3/16 | note:d# s:supersaw tremolosync:4 tremoloskew:1 ]",
+  "[ 3/16 → 1/4 | note:d s:supersaw tremolosync:4 tremoloskew:1 ]",
+  "[ 1/4 → 5/16 | note:d s:supersaw tremolosync:4 tremoloskew:1 ]",
+  "[ 5/16 → 3/8 | note:d s:supersaw tremolosync:4 tremoloskew:1 ]",
+  "[ 3/8 → 7/16 | note:d# s:supersaw tremolosync:4 tremoloskew:1 ]",
+  "[ 7/16 → 1/2 | note:d s:supersaw tremolosync:4 tremoloskew:1 ]",
+  "[ 1/2 → 9/16 | note:d s:supersaw tremolosync:4 tremoloskew:1 ]",
+  "[ 9/16 → 5/8 | note:d s:supersaw tremolosync:4 tremoloskew:1 ]",
+  "[ 5/8 → 11/16 | note:d# s:supersaw tremolosync:4 tremoloskew:1 ]",
+  "[ 11/16 → 3/4 | note:d s:supersaw tremolosync:4 tremoloskew:1 ]",
+  "[ 3/4 → 13/16 | note:d s:supersaw tremolosync:4 tremoloskew:1 ]",
+  "[ 13/16 → 7/8 | note:d s:supersaw tremolosync:4 tremoloskew:1 ]",
+  "[ 7/8 → 15/16 | note:d# s:supersaw tremolosync:4 tremoloskew:1 ]",
+  "[ 15/16 → 1/1 | note:d s:supersaw tremolosync:4 tremoloskew:1 ]",
+  "[ 1/1 → 17/16 | note:d s:supersaw tremolosync:4 tremoloskew:0.5 ]",
+  "[ 17/16 → 9/8 | note:d s:supersaw tremolosync:4 tremoloskew:0.5 ]",
+  "[ 9/8 → 19/16 | note:d# s:supersaw tremolosync:4 tremoloskew:0.5 ]",
+  "[ 19/16 → 5/4 | note:d s:supersaw tremolosync:4 tremoloskew:0.5 ]",
+  "[ 5/4 → 21/16 | note:d s:supersaw tremolosync:4 tremoloskew:0.5 ]",
+  "[ 21/16 → 11/8 | note:d s:supersaw tremolosync:4 tremoloskew:0.5 ]",
+  "[ 11/8 → 23/16 | note:d# s:supersaw tremolosync:4 tremoloskew:0.5 ]",
+  "[ 23/16 → 3/2 | note:d s:supersaw tremolosync:4 tremoloskew:0.5 ]",
+  "[ 3/2 → 25/16 | note:d s:supersaw tremolosync:4 tremoloskew:0.5 ]",
+  "[ 25/16 → 13/8 | note:d s:supersaw tremolosync:4 tremoloskew:0.5 ]",
+  "[ 13/8 → 27/16 | note:d# s:supersaw tremolosync:4 tremoloskew:0.5 ]",
+  "[ 27/16 → 7/4 | note:d s:supersaw tremolosync:4 tremoloskew:0.5 ]",
+  "[ 7/4 → 29/16 | note:d s:supersaw tremolosync:4 tremoloskew:0.5 ]",
+  "[ 29/16 → 15/8 | note:d s:supersaw tremolosync:4 tremoloskew:0.5 ]",
+  "[ 15/8 → 31/16 | note:d# s:supersaw tremolosync:4 tremoloskew:0.5 ]",
+  "[ 31/16 → 2/1 | note:d s:supersaw tremolosync:4 tremoloskew:0.5 ]",
+  "[ 2/1 → 33/16 | note:d s:supersaw tremolosync:4 tremoloskew:0 ]",
+  "[ 33/16 → 17/8 | note:d s:supersaw tremolosync:4 tremoloskew:0 ]",
+  "[ 17/8 → 35/16 | note:d# s:supersaw tremolosync:4 tremoloskew:0 ]",
+  "[ 35/16 → 9/4 | note:d s:supersaw tremolosync:4 tremoloskew:0 ]",
+  "[ 9/4 → 37/16 | note:d s:supersaw tremolosync:4 tremoloskew:0 ]",
+  "[ 37/16 → 19/8 | note:d s:supersaw tremolosync:4 tremoloskew:0 ]",
+  "[ 19/8 → 39/16 | note:d# s:supersaw tremolosync:4 tremoloskew:0 ]",
+  "[ 39/16 → 5/2 | note:d s:supersaw tremolosync:4 tremoloskew:0 ]",
+  "[ 5/2 → 41/16 | note:d s:supersaw tremolosync:4 tremoloskew:0 ]",
+  "[ 41/16 → 21/8 | note:d s:supersaw tremolosync:4 tremoloskew:0 ]",
+  "[ 21/8 → 43/16 | note:d# s:supersaw tremolosync:4 tremoloskew:0 ]",
+  "[ 43/16 → 11/4 | note:d s:supersaw tremolosync:4 tremoloskew:0 ]",
+  "[ 11/4 → 45/16 | note:d s:supersaw tremolosync:4 tremoloskew:0 ]",
+  "[ 45/16 → 23/8 | note:d s:supersaw tremolosync:4 tremoloskew:0 ]",
+  "[ 23/8 → 47/16 | note:d# s:supersaw tremolosync:4 tremoloskew:0 ]",
+  "[ 47/16 → 3/1 | note:d s:supersaw tremolosync:4 tremoloskew:0 ]",
+  "[ 3/1 → 49/16 | note:d s:supersaw tremolosync:4 tremoloskew:1 ]",
+  "[ 49/16 → 25/8 | note:d s:supersaw tremolosync:4 tremoloskew:1 ]",
+  "[ 25/8 → 51/16 | note:d# s:supersaw tremolosync:4 tremoloskew:1 ]",
+  "[ 51/16 → 13/4 | note:d s:supersaw tremolosync:4 tremoloskew:1 ]",
+  "[ 13/4 → 53/16 | note:d s:supersaw tremolosync:4 tremoloskew:1 ]",
+  "[ 53/16 → 27/8 | note:d s:supersaw tremolosync:4 tremoloskew:1 ]",
+  "[ 27/8 → 55/16 | note:d# s:supersaw tremolosync:4 tremoloskew:1 ]",
+  "[ 55/16 → 7/2 | note:d s:supersaw tremolosync:4 tremoloskew:1 ]",
+  "[ 7/2 → 57/16 | note:d s:supersaw tremolosync:4 tremoloskew:1 ]",
+  "[ 57/16 → 29/8 | note:d s:supersaw tremolosync:4 tremoloskew:1 ]",
+  "[ 29/8 → 59/16 | note:d# s:supersaw tremolosync:4 tremoloskew:1 ]",
+  "[ 59/16 → 15/4 | note:d s:supersaw tremolosync:4 tremoloskew:1 ]",
+  "[ 15/4 → 61/16 | note:d s:supersaw tremolosync:4 tremoloskew:1 ]",
+  "[ 61/16 → 31/8 | note:d s:supersaw tremolosync:4 tremoloskew:1 ]",
+  "[ 31/8 → 63/16 | note:d# s:supersaw tremolosync:4 tremoloskew:1 ]",
+  "[ 63/16 → 4/1 | note:d s:supersaw tremolosync:4 tremoloskew:1 ]",
+]
+`;
+
 exports[`runs examples > example "tri" example index 0 1`] = `
 [
   "[ 0/1 → 1/8 | note:C3 ]",

website/public/EmuSP12.json

@@ -1,17 +0,0 @@
-{
-"_base": "https://raw.githubusercontent.com/ritchse/tidal-drum-machines/main/machines/EmuSP12/",
-"bd": ["emusp12-bd/Bassdrum-01.wav","emusp12-bd/Bassdrum-02.wav","emusp12-bd/Bassdrum-03.wav","emusp12-bd/Bassdrum-04.wav","emusp12-bd/Bassdrum-05.wav","emusp12-bd/Bassdrum-06.wav","emusp12-bd/Bassdrum-07.wav","emusp12-bd/Bassdrum-08.wav","emusp12-bd/Bassdrum-09.wav","emusp12-bd/Bassdrum-10.wav","emusp12-bd/Bassdrum-11.wav","emusp12-bd/Bassdrum-12.wav","emusp12-bd/Bassdrum-13.wav","emusp12-bd/Bassdrum-14.wav"],
-"cb": ["emusp12-cb/Cowbell.wav"],
-"cp": ["emusp12-cp/Clap.wav"],
-"cr": ["emusp12-cr/Crash.wav"],
-"hh": ["emusp12-hh/Hat Closed-01.wav","emusp12-hh/Hat Closed-02.wav"],
-"ht": ["emusp12-ht/Tom H-01.wav","emusp12-ht/Tom H-02.wav","emusp12-ht/Tom H-03.wav","emusp12-ht/Tom H-04.wav","emusp12-ht/Tom H-05.wav","emusp12-ht/Tom H-06.wav"],
-"lt": ["emusp12-lt/Tom L-01.wav","emusp12-lt/Tom L-02.wav","emusp12-lt/Tom L-03.wav","emusp12-lt/Tom L-04.wav","emusp12-lt/Tom L-05.wav","emusp12-lt/Tom L-06.wav"],
-"misc": ["emusp12-misc/Metal-01.wav","emusp12-misc/Metal-02.wav","emusp12-misc/Metal-03.wav","emusp12-misc/Scratch.wav","emusp12-misc/Shot-01.wav","emusp12-misc/Shot-02.wav","emusp12-misc/Shot-03.wav"],
-"mt": ["emusp12-mt/Tom M-01.wav","emusp12-mt/Tom M-02.wav","emusp12-mt/Tom M-03.wav","emusp12-mt/Tom M-05.wav"],
-"oh": ["emusp12-oh/Hhopen1.wav"],
-"perc": ["emusp12-perc/Blow1.wav"],
-"rd": ["emusp12-rd/Ride.wav"],
-"rim": ["emusp12-rim/zRim Shot-01.wav","emusp12-rim/zRim Shot-02.wav"],
-"sd": ["emusp12-sd/Snaredrum-01.wav","emusp12-sd/Snaredrum-02.wav","emusp12-sd/Snaredrum-03.wav","emusp12-sd/Snaredrum-04.wav","emusp12-sd/Snaredrum-05.wav","emusp12-sd/Snaredrum-06.wav","emusp12-sd/Snaredrum-07.wav","emusp12-sd/Snaredrum-08.wav","emusp12-sd/Snaredrum-09.wav","emusp12-sd/Snaredrum-10.wav","emusp12-sd/Snaredrum-11.wav","emusp12-sd/Snaredrum-12.wav","emusp12-sd/Snaredrum-13.wav","emusp12-sd/Snaredrum-14.wav","emusp12-sd/Snaredrum-15.wav","emusp12-sd/Snaredrum-16.wav","emusp12-sd/Snaredrum-17.wav","emusp12-sd/Snaredrum-18.wav","emusp12-sd/Snaredrum-19.wav","emusp12-sd/Snaredrum-20.wav","emusp12-sd/Snaredrum-21.wav"]
-} 

website/src/pages/learn/effects.mdx

@@ -57,6 +57,34 @@ Each filter has 2 parameters:
 
 <JsDoc client:idle name="vowel" h={0} />
 
+# Amplitude Modulation
+
+Amplitude modulation changes the amplitude (gain) periodically over time.
+
+## am
+
+<JsDoc client:idle name="am" h={0} />
+
+## tremolosync
+
+<JsDoc client:idle name="tremolosync" h={0} />
+
+## tremolodepth
+
+<JsDoc client:idle name="tremolodepth" h={0} />
+
+## tremoloskew
+
+<JsDoc client:idle name="tremoloskew" h={0} />
+
+## tremolophase
+
+<JsDoc client:idle name="tremolophase" h={0} />
+
+## tremoloshape
+
+<JsDoc client:idle name="tremoloshape" h={0} />
+
 # Amplitude Envelope
 
 The amplitude [envelope](<https://en.wikipedia.org/wiki/Envelope_(music)>) controls the dynamic contour of a sound.

website/src/repl/components/panel/FilesTab.jsx

@@ -1,7 +1,7 @@
 import { Fragment, useEffect } from 'react';
-import React, { useMemo, useState } from 'react';
-import { isAudioFile, readDir, dir, playFile } from '../../files.mjs';
-
+import { useMemo, useState } from 'react';
+import {  readDir, dir, playFile } from '../../files.mjs';
+import  { isAudioFile } from '@strudel/core';
 export function FilesTab() {
   const [path, setPath] = useState([]);
   useEffect(() => {

website/src/repl/components/panel/ImportSoundsButton.jsx

@@ -1,5 +1,5 @@
 import React, { useCallback, useState } from 'react';
-import { registerSamplesFromDB, uploadSamplesToDB, userSamplesDBConfig } from '../../idbutils.mjs';
+import { registerSamplesFromDB, uploadSamplesToDB, userSamplesDBConfig } from '@strudel/core';
 
 //choose a directory to locally import samples
 export default function ImportSoundsButton({ onComplete }) {

website/src/repl/components/panel/PatternsTab.jsx

@@ -125,7 +125,7 @@ function UserPatterns({ context }) {
             style={{ display: 'none' }}
             type="file"
             multiple
-            accept="text/plain,application/json"
+            accept="text/plain,text/x-markdown,application/json"
             onChange={(e) => importPatterns(e.target.files)}
           />
           import

website/src/repl/files.mjs

@@ -75,8 +75,7 @@ export const walkFileTree = (node, fn) => {
   }
 };
 
-export const isAudioFile = (filename) =>
-  ['wav', 'mp3', 'flac', 'ogg', 'm4a', 'aac'].includes(filename.split('.').slice(-1)[0]);
+
 
 function uint8ArrayToDataURL(uint8Array) {
   const blob = new Blob([uint8Array], { type: 'audio/*' });

website/src/repl/prebake.mjs

@@ -1,153 +1,158 @@
 import { Pattern, noteToMidi, valueToMidi } from '@strudel/core';
 import { aliasBank, registerSynthSounds, registerZZFXSounds, samples } from '@strudel/webaudio';
-import { registerSamplesFromDB } from './idbutils.mjs';
+import { registerSamplesFromDB } from '@strudel/core'
 import './piano.mjs';
 import './files.mjs';
 
 const { BASE_URL } = import.meta.env;
 const baseNoTrailing = BASE_URL.endsWith('/') ? BASE_URL.slice(0, -1) : BASE_URL;
 
-export async function prebake() {
-  // https://archive.org/details/SalamanderGrandPianoV3
-  // License: CC-by http://creativecommons.org/licenses/by/3.0/ Author: Alexander Holm
-  await Promise.all([
-    registerSynthSounds(),
-    registerZZFXSounds(),
-    registerSamplesFromDB(),
-    //registerSoundfonts(),
-    // need dynamic import here, because importing @strudel/soundfonts fails on server:
-    // => getting "window is not defined", as soon as "@strudel/soundfonts" is imported statically
-    // seems to be a problem with soundfont2
-    import('@strudel/soundfonts').then(({ registerSoundfonts }) => registerSoundfonts()),
-    samples(`${baseNoTrailing}/piano.json`, undefined, { prebake: true }),
-    // https://github.com/sgossner/VCSL/
-    // https://api.github.com/repositories/126427031/contents/
-    // LICENSE: CC0 general-purpose
-    samples(`${baseNoTrailing}/vcsl.json`, 'github:sgossner/VCSL/master/', { prebake: true }),
-    samples(`${baseNoTrailing}/tidal-drum-machines.json`, 'github:ritchse/tidal-drum-machines/main/machines/', {
-      prebake: true,
-      tag: 'drum-machines',
-    }),
-    samples(`${baseNoTrailing}/EmuSP12.json`, undefined, { prebake: true, tag: 'drum-machines' }),
-    samples(`${baseNoTrailing}/mridangam.json`, undefined, { prebake: true, tag: 'drum-machines' }),
-    samples(
-      {
-        casio: ['casio/high.wav', 'casio/low.wav', 'casio/noise.wav'],
-        crow: ['crow/000_crow.wav', 'crow/001_crow2.wav', 'crow/002_crow3.wav', 'crow/003_crow4.wav'],
-        insect: [
-          'insect/000_everglades_conehead.wav',
-          'insect/001_robust_shieldback.wav',
-          'insect/002_seashore_meadow_katydid.wav',
-        ],
-        wind: [
-          'wind/000_wind1.wav',
-          'wind/001_wind10.wav',
-          'wind/002_wind2.wav',
-          'wind/003_wind3.wav',
-          'wind/004_wind4.wav',
-          'wind/005_wind5.wav',
-          'wind/006_wind6.wav',
-          'wind/007_wind7.wav',
-          'wind/008_wind8.wav',
-          'wind/009_wind9.wav',
-        ],
-        jazz: [
-          'jazz/000_BD.wav',
-          'jazz/001_CB.wav',
-          'jazz/002_FX.wav',
-          'jazz/003_HH.wav',
-          'jazz/004_OH.wav',
-          'jazz/005_P1.wav',
-          'jazz/006_P2.wav',
-          'jazz/007_SN.wav',
-        ],
-        metal: [
-          'metal/000_0.wav',
-          'metal/001_1.wav',
-          'metal/002_2.wav',
-          'metal/003_3.wav',
-          'metal/004_4.wav',
-          'metal/005_5.wav',
-          'metal/006_6.wav',
-          'metal/007_7.wav',
-          'metal/008_8.wav',
-          'metal/009_9.wav',
-        ],
-        east: [
-          'east/000_nipon_wood_block.wav',
-          'east/001_ohkawa_mute.wav',
-          'east/002_ohkawa_open.wav',
-          'east/003_shime_hi.wav',
-          'east/004_shime_hi_2.wav',
-          'east/005_shime_mute.wav',
-          'east/006_taiko_1.wav',
-          'east/007_taiko_2.wav',
-          'east/008_taiko_3.wav',
-        ],
-        space: [
-          'space/000_0.wav',
-          'space/001_1.wav',
-          'space/002_11.wav',
-          'space/003_12.wav',
-          'space/004_13.wav',
-          'space/005_14.wav',
-          'space/006_15.wav',
-          'space/007_16.wav',
-          'space/008_17.wav',
-          'space/009_18.wav',
-          'space/010_2.wav',
-          'space/011_3.wav',
-          'space/012_4.wav',
-          'space/013_5.wav',
-          'space/014_6.wav',
-          'space/015_7.wav',
-          'space/016_8.wav',
-          'space/017_9.wav',
-        ],
-        numbers: [
-          'numbers/0.wav',
-          'numbers/1.wav',
-          'numbers/2.wav',
-          'numbers/3.wav',
-          'numbers/4.wav',
-          'numbers/5.wav',
-          'numbers/6.wav',
-          'numbers/7.wav',
-          'numbers/8.wav',
-        ],
-        num: [
-          'num/00.wav',
-          'num/01.wav',
-          'num/02.wav',
-          'num/03.wav',
-          'num/04.wav',
-          'num/05.wav',
-          'num/06.wav',
-          'num/07.wav',
-          'num/08.wav',
-          'num/09.wav',
-          'num/10.wav',
-          'num/11.wav',
-          'num/12.wav',
-          'num/13.wav',
-          'num/14.wav',
-          'num/15.wav',
-          'num/16.wav',
-          'num/17.wav',
-          'num/18.wav',
-          'num/19.wav',
-          'num/20.wav',
-        ],
-      },
-      'github:tidalcycles/dirt-samples',
-      {
-        prebake: true,
-      },
-    ),
-  ]);
+// export async function prebake() {
+//   // https://archive.org/details/SalamanderGrandPianoV3
+//   // License: CC-by http://creativecommons.org/licenses/by/3.0/ Author: Alexander Holm
+ 
+ 
+//   await Promise.all([
+//     registerSynthSounds(),
+//     registerZZFXSounds(),
+//     registerSamplesFromDB(),
+//     //registerSoundfonts(),
+//     // need dynamic import here, because importing @strudel/soundfonts fails on server:
+//     // => getting "window is not defined", as soon as "@strudel/soundfonts" is imported statically
+//     // seems to be a problem with soundfont2
+//     import('@strudel/soundfonts').then(({ registerSoundfonts }) => registerSoundfonts()),
+//     samples(`${baseNoTrailing}/piano.json`, undefined, { prebake: true }),
+//     // https://github.com/sgossner/VCSL/
+//     // https://api.github.com/repositories/126427031/contents/
+//     // LICENSE: CC0 general-purpose
+//     samples(`${baseNoTrailing}/vcsl.json`, 'github:sgossner/VCSL/master/', { prebake: true }),
+//     samples(`${baseNoTrailing}/tidal-drum-machines.json`, 'github:ritchse/tidal-drum-machines/main/machines/', {
+//       prebake: true,
+//       tag: 'drum-machines',
+//     }),
+//     samples(`https://raw.githubusercontent.com/tidalcycles/uzu-drumkit/main/strudel.json`, undefined, {
+//       prebake: true,
+//       tag: 'drum-machines',
+//     }),
+//     samples(`${baseNoTrailing}/mridangam.json`, undefined, { prebake: true, tag: 'drum-machines' }),
+//     samples(
+//       {
+//         casio: ['casio/high.wav', 'casio/low.wav', 'casio/noise.wav'],
+//         crow: ['crow/000_crow.wav', 'crow/001_crow2.wav', 'crow/002_crow3.wav', 'crow/003_crow4.wav'],
+//         insect: [
+//           'insect/000_everglades_conehead.wav',
+//           'insect/001_robust_shieldback.wav',
+//           'insect/002_seashore_meadow_katydid.wav',
+//         ],
+//         wind: [
+//           'wind/000_wind1.wav',
+//           'wind/001_wind10.wav',
+//           'wind/002_wind2.wav',
+//           'wind/003_wind3.wav',
+//           'wind/004_wind4.wav',
+//           'wind/005_wind5.wav',
+//           'wind/006_wind6.wav',
+//           'wind/007_wind7.wav',
+//           'wind/008_wind8.wav',
+//           'wind/009_wind9.wav',
+//         ],
+//         jazz: [
+//           'jazz/000_BD.wav',
+//           'jazz/001_CB.wav',
+//           'jazz/002_FX.wav',
+//           'jazz/003_HH.wav',
+//           'jazz/004_OH.wav',
+//           'jazz/005_P1.wav',
+//           'jazz/006_P2.wav',
+//           'jazz/007_SN.wav',
+//         ],
+//         metal: [
+//           'metal/000_0.wav',
+//           'metal/001_1.wav',
+//           'metal/002_2.wav',
+//           'metal/003_3.wav',
+//           'metal/004_4.wav',
+//           'metal/005_5.wav',
+//           'metal/006_6.wav',
+//           'metal/007_7.wav',
+//           'metal/008_8.wav',
+//           'metal/009_9.wav',
+//         ],
+//         east: [
+//           'east/000_nipon_wood_block.wav',
+//           'east/001_ohkawa_mute.wav',
+//           'east/002_ohkawa_open.wav',
+//           'east/003_shime_hi.wav',
+//           'east/004_shime_hi_2.wav',
+//           'east/005_shime_mute.wav',
+//           'east/006_taiko_1.wav',
+//           'east/007_taiko_2.wav',
+//           'east/008_taiko_3.wav',
+//         ],
+//         space: [
+//           'space/000_0.wav',
+//           'space/001_1.wav',
+//           'space/002_11.wav',
+//           'space/003_12.wav',
+//           'space/004_13.wav',
+//           'space/005_14.wav',
+//           'space/006_15.wav',
+//           'space/007_16.wav',
+//           'space/008_17.wav',
+//           'space/009_18.wav',
+//           'space/010_2.wav',
+//           'space/011_3.wav',
+//           'space/012_4.wav',
+//           'space/013_5.wav',
+//           'space/014_6.wav',
+//           'space/015_7.wav',
+//           'space/016_8.wav',
+//           'space/017_9.wav',
+//         ],
+//         numbers: [
+//           'numbers/0.wav',
+//           'numbers/1.wav',
+//           'numbers/2.wav',
+//           'numbers/3.wav',
+//           'numbers/4.wav',
+//           'numbers/5.wav',
+//           'numbers/6.wav',
+//           'numbers/7.wav',
+//           'numbers/8.wav',
+//         ],
+//         num: [
+//           'num/00.wav',
+//           'num/01.wav',
+//           'num/02.wav',
+//           'num/03.wav',
+//           'num/04.wav',
+//           'num/05.wav',
+//           'num/06.wav',
+//           'num/07.wav',
+//           'num/08.wav',
+//           'num/09.wav',
+//           'num/10.wav',
+//           'num/11.wav',
+//           'num/12.wav',
+//           'num/13.wav',
+//           'num/14.wav',
+//           'num/15.wav',
+//           'num/16.wav',
+//           'num/17.wav',
+//           'num/18.wav',
+//           'num/19.wav',
+//           'num/20.wav',
+//         ],
+//       },
+//       'github:tidalcycles/dirt-samples',
+//       {
+//         prebake: true,
+//       },
+//     ),
+//   ]);
 
-  aliasBank(`${baseNoTrailing}/tidal-drum-machines-alias.json`);
-}
+//   aliasBank(`${baseNoTrailing}/tidal-drum-machines-alias.json`);
+// }
 
 const maxPan = noteToMidi('C8');
 const panwidth = (pan, width) => pan * width + (1 - width) / 2;

website/src/repl/useReplContext.jsx

@@ -31,7 +31,7 @@ import {
 import { superdirtOutput } from '@strudel/osc/superdirtoutput';
 import { audioEngineTargets } from '../settings.mjs';
 import { useStore } from '@nanostores/react';
-import { prebake } from './prebake.mjs';
+import { prebake } from '../../../packages/repl/prebake.mjs'
 import { getRandomTune, initCode, loadModules, shareCode } from './util.mjs';
 import './Repl.css';
 import { setInterval, clearInterval } from 'worker-timers';

website/src/user_pattern_utils.mjs

@@ -197,7 +197,7 @@ export async function importPatterns(fileList) {
       if (file.type === 'application/json') {
         const userPatterns = userPattern.getAll();
         setUserPatterns({ ...userPatterns, ...parseJSON(content) });
-      } else if (file.type === 'text/plain') {
+      } else if (['text/x-markdown', 'text/plain'].includes(file.type)) {
         const id = file.name.replace(/\.[^/.]+$/, '');
         userPattern.update(id, { code: content });
       }