diff --git a/packages/core/controls.mjs b/packages/core/controls.mjs
index 866be4fb..a03658a8 100644
--- a/packages/core/controls.mjs
+++ b/packages/core/controls.mjs
@@ -380,6 +380,62 @@ const generic_params = [
    *
    */
   ['coarse'],
+
+  ['phaserrate', 'phasr'], // superdirt only
+
+  /**
+   * Phaser audio effect that approximates popular guitar pedals.
+   *
+   * @name phaser
+   * @synonyms ph
+   * @param {number | Pattern} speed speed of modulation
+   * @example
+   * n(run(8)).scale("D:pentatonic").s("sawtooth").release(0.5)
+   * .phaser("<1 2 4 8>")
+   *
+   */
+  [['phaser', 'phaserdepth', 'phasercenter', 'phasersweep'], 'ph'],
+
+  /**
+   * The frequency sweep range of the lfo for the phaser effect. Defaults to 2000
+   *
+   * @name phasersweep
+   * @synonyms phs
+   * @param {number | Pattern} phasersweep most useful values are between 0 and 4000
+   * @example
+   * n(run(8)).scale("D:pentatonic").s("sawtooth").release(0.5)
+   * .phaser(2).phasersweep("<800 2000 4000>")
+   *
+   */
+  ['phasersweep', 'phs'],
+
+  /**
+   *  The center frequency of the phaser in HZ. Defaults to 1000
+   *
+   * @name phasercenter
+   * @synonyms phc
+   * @param {number | Pattern} centerfrequency in HZ
+   * @example
+   * n(run(8)).scale("D:pentatonic").s("sawtooth").release(0.5)
+   * .phaser(2).phasercenter("<800 2000 4000>")
+   *
+   */
+
+  ['phasercenter', 'phc'],
+
+  /**
+   * The amount the signal is affected by the phaser effect. Defaults to 0.75
+   *
+   * @name phaserdepth
+   * @synonyms phd
+   * @param {number | Pattern} depth number between 0 and 1
+   * @example
+   * n(run(8)).scale("D:pentatonic").s("sawtooth").release(0.5)
+   * .phaser(2).phaserdepth("<0 .5 .75 1>")
+   *
+   */
+  ['phaserdepth', 'phd', 'phasdp'], // also a superdirt control
+
   /**
    * choose the channel the pattern is sent to in superdirt
    *
@@ -1036,7 +1092,8 @@ const generic_params = [
    */
   ['roomfade', 'rfade'],
   /**
-   * Sets the sample to use as an impulse response for the reverb. * * @name iresponse
+   * Sets the sample to use as an impulse response for the reverb.
+   * @name iresponse
    * @param {string | Pattern} sample to use as an impulse response
    * @synonyms ir
    * @example
@@ -1174,9 +1231,6 @@ const generic_params = [
    */
   ['tremolodepth', 'tremdp'],
   ['tremolorate', 'tremr'],
-  // TODO: doesn't seem to do anything
-  ['phaserdepth', 'phasdp'],
-  ['phaserrate', 'phasr'],
 
   ['fshift'],
   ['fshiftnote'],
diff --git a/packages/superdough/README.md b/packages/superdough/README.md
index c5950dbf..f32aa32d 100644
--- a/packages/superdough/README.md
+++ b/packages/superdough/README.md
@@ -67,6 +67,10 @@ superdough({ s: 'bd', delay: 0.5 }, 0, 1);
   - `crush`: amplitude bit crusher using given number of bits
   - `shape`: distortion effect from 0 (none) to 1 (full). might get loud!
   - `pan`: stereo panning from 0 (left) to 1 (right)
+  - `phaser`: sets the speed of the modulation
+  - `phaserdepth`: the amount the signal is affected by the phaser effect.
+  - `phasersweep`: the frequency sweep range of the lfo for the phaser effect.
+  - `phasercenter`: the amount the signal is affected by the phaser effect.
   - `vowel`: vowel filter. possible values: "a", "e", "i", "o", "u"
   - `delay`: delay mix
   - `delayfeedback`: delay feedback
diff --git a/packages/superdough/superdough.mjs b/packages/superdough/superdough.mjs
index e3033afe..00e2f42c 100644
--- a/packages/superdough/superdough.mjs
+++ b/packages/superdough/superdough.mjs
@@ -112,6 +112,48 @@ function getDelay(orbit, delaytime, delayfeedback, t) {
   return delays[orbit];
 }
 
+// each orbit will have its own lfo
+const phaserLFOs = {};
+function getPhaser(orbit, t, speed = 1, depth = 0.5, centerFrequency = 1000, sweep = 2000) {
+  //gain
+  const ac = getAudioContext();
+  const lfoGain = ac.createGain();
+  lfoGain.gain.value = sweep;
+
+  //LFO
+  if (phaserLFOs[orbit] == null) {
+    phaserLFOs[orbit] = ac.createOscillator();
+    phaserLFOs[orbit].frequency.value = speed;
+    phaserLFOs[orbit].type = 'sine';
+    phaserLFOs[orbit].start();
+  }
+
+  phaserLFOs[orbit].connect(lfoGain);
+  if (phaserLFOs[orbit].frequency.value != speed) {
+    phaserLFOs[orbit].frequency.setValueAtTime(speed, t);
+  }
+
+  //filters
+  const numStages = 2; //num of filters in series
+  let fOffset = 0;
+  const filterChain = [];
+  for (let i = 0; i < numStages; i++) {
+    const filter = ac.createBiquadFilter();
+    filter.type = 'notch';
+    filter.gain.value = 1;
+    filter.frequency.value = centerFrequency + fOffset;
+    filter.Q.value = 2 - Math.min(Math.max(depth * 2, 0), 1.9);
+
+    lfoGain.connect(filter.detune);
+    fOffset += 282;
+    if (i > 0) {
+      filterChain[i - 1].connect(filter);
+    }
+    filterChain.push(filter);
+  }
+  return filterChain[filterChain.length - 1];
+}
+
 let reverbs = {};
 
 let hasChanged = (now, before) => now !== undefined && now !== before;
@@ -226,6 +268,12 @@ export const superdough = async (value, deadline, hapDuration) => {
     bpsustain = 1,
     bprelease = 0.01,
     bandq = 1,
+
+    //phaser
+    phaser,
+    phaserdepth = 0.75,
+    phasersweep,
+    phasercenter,
     //
     coarse,
     crush,
@@ -260,6 +308,7 @@ export const superdough = async (value, deadline, hapDuration) => {
   if (bank && s) {
     s = `${bank}_${s}`;
   }
+
   // get source AudioNode
   let sourceNode;
   if (source) {
@@ -377,6 +426,11 @@ export const superdough = async (value, deadline, hapDuration) => {
     panner.pan.value = 2 * pan - 1;
     chain.push(panner);
   }
+  // phaser
+  if (phaser !== undefined && phaserdepth > 0) {
+    const phaserFX = getPhaser(orbit, t, phaser, phaserdepth, phasercenter, phasersweep);
+    chain.push(phaserFX);
+  }
 
   // last gain
   const post = gainNode(postgain);
diff --git a/test/__snapshots__/examples.test.mjs.snap b/test/__snapshots__/examples.test.mjs.snap
index d02acdef..a12fcb65 100644
--- a/test/__snapshots__/examples.test.mjs.snap
+++ b/test/__snapshots__/examples.test.mjs.snap
@@ -2439,6 +2439,19 @@ exports[`runs examples > example "irand" example index 0 1`] = `
 ]
 `;
 
+exports[`runs examples > example "iresponse" example index 0 1`] = `
+[
+  "[ 0/1 → 1/2 | s:bd room:0.8 ir:shaker_large i:0 ]",
+  "[ 1/2 → 1/1 | s:sd room:0.8 ir:shaker_large i:0 ]",
+  "[ 1/1 → 3/2 | s:bd room:0.8 ir:shaker_large i:2 ]",
+  "[ 3/2 → 2/1 | s:sd room:0.8 ir:shaker_large i:2 ]",
+  "[ 2/1 → 5/2 | s:bd room:0.8 ir:shaker_large i:0 ]",
+  "[ 5/2 → 3/1 | s:sd room:0.8 ir:shaker_large i:0 ]",
+  "[ 3/1 → 7/2 | s:bd room:0.8 ir:shaker_large i:2 ]",
+  "[ 7/2 → 4/1 | s:sd room:0.8 ir:shaker_large i:2 ]",
+]
+`;
+
 exports[`runs examples > example "iter" example index 0 1`] = `
 [
   "[ 0/1 → 1/4 | note:A3 ]",
@@ -3306,6 +3319,154 @@ exports[`runs examples > example "perlin" example index 0 1`] = `
 ]
 `;
 
+exports[`runs examples > example "phaser" example index 0 1`] = `
+[
+  "[ 0/1 → 1/8 | note:D3 s:sawtooth release:0.5 phaser:1 ]",
+  "[ 1/8 → 1/4 | note:E3 s:sawtooth release:0.5 phaser:1 ]",
+  "[ 1/4 → 3/8 | note:F#3 s:sawtooth release:0.5 phaser:1 ]",
+  "[ 3/8 → 1/2 | note:A3 s:sawtooth release:0.5 phaser:1 ]",
+  "[ 1/2 → 5/8 | note:B3 s:sawtooth release:0.5 phaser:1 ]",
+  "[ 5/8 → 3/4 | note:D4 s:sawtooth release:0.5 phaser:1 ]",
+  "[ 3/4 → 7/8 | note:E4 s:sawtooth release:0.5 phaser:1 ]",
+  "[ 7/8 → 1/1 | note:F#4 s:sawtooth release:0.5 phaser:1 ]",
+  "[ 1/1 → 9/8 | note:D3 s:sawtooth release:0.5 phaser:2 ]",
+  "[ 9/8 → 5/4 | note:E3 s:sawtooth release:0.5 phaser:2 ]",
+  "[ 5/4 → 11/8 | note:F#3 s:sawtooth release:0.5 phaser:2 ]",
+  "[ 11/8 → 3/2 | note:A3 s:sawtooth release:0.5 phaser:2 ]",
+  "[ 3/2 → 13/8 | note:B3 s:sawtooth release:0.5 phaser:2 ]",
+  "[ 13/8 → 7/4 | note:D4 s:sawtooth release:0.5 phaser:2 ]",
+  "[ 7/4 → 15/8 | note:E4 s:sawtooth release:0.5 phaser:2 ]",
+  "[ 15/8 → 2/1 | note:F#4 s:sawtooth release:0.5 phaser:2 ]",
+  "[ 2/1 → 17/8 | note:D3 s:sawtooth release:0.5 phaser:4 ]",
+  "[ 17/8 → 9/4 | note:E3 s:sawtooth release:0.5 phaser:4 ]",
+  "[ 9/4 → 19/8 | note:F#3 s:sawtooth release:0.5 phaser:4 ]",
+  "[ 19/8 → 5/2 | note:A3 s:sawtooth release:0.5 phaser:4 ]",
+  "[ 5/2 → 21/8 | note:B3 s:sawtooth release:0.5 phaser:4 ]",
+  "[ 21/8 → 11/4 | note:D4 s:sawtooth release:0.5 phaser:4 ]",
+  "[ 11/4 → 23/8 | note:E4 s:sawtooth release:0.5 phaser:4 ]",
+  "[ 23/8 → 3/1 | note:F#4 s:sawtooth release:0.5 phaser:4 ]",
+  "[ 3/1 → 25/8 | note:D3 s:sawtooth release:0.5 phaser:8 ]",
+  "[ 25/8 → 13/4 | note:E3 s:sawtooth release:0.5 phaser:8 ]",
+  "[ 13/4 → 27/8 | note:F#3 s:sawtooth release:0.5 phaser:8 ]",
+  "[ 27/8 → 7/2 | note:A3 s:sawtooth release:0.5 phaser:8 ]",
+  "[ 7/2 → 29/8 | note:B3 s:sawtooth release:0.5 phaser:8 ]",
+  "[ 29/8 → 15/4 | note:D4 s:sawtooth release:0.5 phaser:8 ]",
+  "[ 15/4 → 31/8 | note:E4 s:sawtooth release:0.5 phaser:8 ]",
+  "[ 31/8 → 4/1 | note:F#4 s:sawtooth release:0.5 phaser:8 ]",
+]
+`;
+
+exports[`runs examples > example "phasercenter" example index 0 1`] = `
+[
+  "[ 0/1 → 1/8 | note:D3 s:sawtooth release:0.5 phaser:2 phasercenter:800 ]",
+  "[ 1/8 → 1/4 | note:E3 s:sawtooth release:0.5 phaser:2 phasercenter:800 ]",
+  "[ 1/4 → 3/8 | note:F#3 s:sawtooth release:0.5 phaser:2 phasercenter:800 ]",
+  "[ 3/8 → 1/2 | note:A3 s:sawtooth release:0.5 phaser:2 phasercenter:800 ]",
+  "[ 1/2 → 5/8 | note:B3 s:sawtooth release:0.5 phaser:2 phasercenter:800 ]",
+  "[ 5/8 → 3/4 | note:D4 s:sawtooth release:0.5 phaser:2 phasercenter:800 ]",
+  "[ 3/4 → 7/8 | note:E4 s:sawtooth release:0.5 phaser:2 phasercenter:800 ]",
+  "[ 7/8 → 1/1 | note:F#4 s:sawtooth release:0.5 phaser:2 phasercenter:800 ]",
+  "[ 1/1 → 9/8 | note:D3 s:sawtooth release:0.5 phaser:2 phasercenter:2000 ]",
+  "[ 9/8 → 5/4 | note:E3 s:sawtooth release:0.5 phaser:2 phasercenter:2000 ]",
+  "[ 5/4 → 11/8 | note:F#3 s:sawtooth release:0.5 phaser:2 phasercenter:2000 ]",
+  "[ 11/8 → 3/2 | note:A3 s:sawtooth release:0.5 phaser:2 phasercenter:2000 ]",
+  "[ 3/2 → 13/8 | note:B3 s:sawtooth release:0.5 phaser:2 phasercenter:2000 ]",
+  "[ 13/8 → 7/4 | note:D4 s:sawtooth release:0.5 phaser:2 phasercenter:2000 ]",
+  "[ 7/4 → 15/8 | note:E4 s:sawtooth release:0.5 phaser:2 phasercenter:2000 ]",
+  "[ 15/8 → 2/1 | note:F#4 s:sawtooth release:0.5 phaser:2 phasercenter:2000 ]",
+  "[ 2/1 → 17/8 | note:D3 s:sawtooth release:0.5 phaser:2 phasercenter:4000 ]",
+  "[ 17/8 → 9/4 | note:E3 s:sawtooth release:0.5 phaser:2 phasercenter:4000 ]",
+  "[ 9/4 → 19/8 | note:F#3 s:sawtooth release:0.5 phaser:2 phasercenter:4000 ]",
+  "[ 19/8 → 5/2 | note:A3 s:sawtooth release:0.5 phaser:2 phasercenter:4000 ]",
+  "[ 5/2 → 21/8 | note:B3 s:sawtooth release:0.5 phaser:2 phasercenter:4000 ]",
+  "[ 21/8 → 11/4 | note:D4 s:sawtooth release:0.5 phaser:2 phasercenter:4000 ]",
+  "[ 11/4 → 23/8 | note:E4 s:sawtooth release:0.5 phaser:2 phasercenter:4000 ]",
+  "[ 23/8 → 3/1 | note:F#4 s:sawtooth release:0.5 phaser:2 phasercenter:4000 ]",
+  "[ 3/1 → 25/8 | note:D3 s:sawtooth release:0.5 phaser:2 phasercenter:800 ]",
+  "[ 25/8 → 13/4 | note:E3 s:sawtooth release:0.5 phaser:2 phasercenter:800 ]",
+  "[ 13/4 → 27/8 | note:F#3 s:sawtooth release:0.5 phaser:2 phasercenter:800 ]",
+  "[ 27/8 → 7/2 | note:A3 s:sawtooth release:0.5 phaser:2 phasercenter:800 ]",
+  "[ 7/2 → 29/8 | note:B3 s:sawtooth release:0.5 phaser:2 phasercenter:800 ]",
+  "[ 29/8 → 15/4 | note:D4 s:sawtooth release:0.5 phaser:2 phasercenter:800 ]",
+  "[ 15/4 → 31/8 | note:E4 s:sawtooth release:0.5 phaser:2 phasercenter:800 ]",
+  "[ 31/8 → 4/1 | note:F#4 s:sawtooth release:0.5 phaser:2 phasercenter:800 ]",
+]
+`;
+
+exports[`runs examples > example "phaserdepth" example index 0 1`] = `
+[
+  "[ 0/1 → 1/8 | note:D3 s:sawtooth release:0.5 phaser:2 phaserdepth:0 ]",
+  "[ 1/8 → 1/4 | note:E3 s:sawtooth release:0.5 phaser:2 phaserdepth:0 ]",
+  "[ 1/4 → 3/8 | note:F#3 s:sawtooth release:0.5 phaser:2 phaserdepth:0 ]",
+  "[ 3/8 → 1/2 | note:A3 s:sawtooth release:0.5 phaser:2 phaserdepth:0 ]",
+  "[ 1/2 → 5/8 | note:B3 s:sawtooth release:0.5 phaser:2 phaserdepth:0 ]",
+  "[ 5/8 → 3/4 | note:D4 s:sawtooth release:0.5 phaser:2 phaserdepth:0 ]",
+  "[ 3/4 → 7/8 | note:E4 s:sawtooth release:0.5 phaser:2 phaserdepth:0 ]",
+  "[ 7/8 → 1/1 | note:F#4 s:sawtooth release:0.5 phaser:2 phaserdepth:0 ]",
+  "[ 1/1 → 9/8 | note:D3 s:sawtooth release:0.5 phaser:2 phaserdepth:0.5 ]",
+  "[ 9/8 → 5/4 | note:E3 s:sawtooth release:0.5 phaser:2 phaserdepth:0.5 ]",
+  "[ 5/4 → 11/8 | note:F#3 s:sawtooth release:0.5 phaser:2 phaserdepth:0.5 ]",
+  "[ 11/8 → 3/2 | note:A3 s:sawtooth release:0.5 phaser:2 phaserdepth:0.5 ]",
+  "[ 3/2 → 13/8 | note:B3 s:sawtooth release:0.5 phaser:2 phaserdepth:0.5 ]",
+  "[ 13/8 → 7/4 | note:D4 s:sawtooth release:0.5 phaser:2 phaserdepth:0.5 ]",
+  "[ 7/4 → 15/8 | note:E4 s:sawtooth release:0.5 phaser:2 phaserdepth:0.5 ]",
+  "[ 15/8 → 2/1 | note:F#4 s:sawtooth release:0.5 phaser:2 phaserdepth:0.5 ]",
+  "[ 2/1 → 17/8 | note:D3 s:sawtooth release:0.5 phaser:2 phaserdepth:0.75 ]",
+  "[ 17/8 → 9/4 | note:E3 s:sawtooth release:0.5 phaser:2 phaserdepth:0.75 ]",
+  "[ 9/4 → 19/8 | note:F#3 s:sawtooth release:0.5 phaser:2 phaserdepth:0.75 ]",
+  "[ 19/8 → 5/2 | note:A3 s:sawtooth release:0.5 phaser:2 phaserdepth:0.75 ]",
+  "[ 5/2 → 21/8 | note:B3 s:sawtooth release:0.5 phaser:2 phaserdepth:0.75 ]",
+  "[ 21/8 → 11/4 | note:D4 s:sawtooth release:0.5 phaser:2 phaserdepth:0.75 ]",
+  "[ 11/4 → 23/8 | note:E4 s:sawtooth release:0.5 phaser:2 phaserdepth:0.75 ]",
+  "[ 23/8 → 3/1 | note:F#4 s:sawtooth release:0.5 phaser:2 phaserdepth:0.75 ]",
+  "[ 3/1 → 25/8 | note:D3 s:sawtooth release:0.5 phaser:2 phaserdepth:1 ]",
+  "[ 25/8 → 13/4 | note:E3 s:sawtooth release:0.5 phaser:2 phaserdepth:1 ]",
+  "[ 13/4 → 27/8 | note:F#3 s:sawtooth release:0.5 phaser:2 phaserdepth:1 ]",
+  "[ 27/8 → 7/2 | note:A3 s:sawtooth release:0.5 phaser:2 phaserdepth:1 ]",
+  "[ 7/2 → 29/8 | note:B3 s:sawtooth release:0.5 phaser:2 phaserdepth:1 ]",
+  "[ 29/8 → 15/4 | note:D4 s:sawtooth release:0.5 phaser:2 phaserdepth:1 ]",
+  "[ 15/4 → 31/8 | note:E4 s:sawtooth release:0.5 phaser:2 phaserdepth:1 ]",
+  "[ 31/8 → 4/1 | note:F#4 s:sawtooth release:0.5 phaser:2 phaserdepth:1 ]",
+]
+`;
+
+exports[`runs examples > example "phasersweep" example index 0 1`] = `
+[
+  "[ 0/1 → 1/8 | note:D3 s:sawtooth release:0.5 phaser:2 phasersweep:800 ]",
+  "[ 1/8 → 1/4 | note:E3 s:sawtooth release:0.5 phaser:2 phasersweep:800 ]",
+  "[ 1/4 → 3/8 | note:F#3 s:sawtooth release:0.5 phaser:2 phasersweep:800 ]",
+  "[ 3/8 → 1/2 | note:A3 s:sawtooth release:0.5 phaser:2 phasersweep:800 ]",
+  "[ 1/2 → 5/8 | note:B3 s:sawtooth release:0.5 phaser:2 phasersweep:800 ]",
+  "[ 5/8 → 3/4 | note:D4 s:sawtooth release:0.5 phaser:2 phasersweep:800 ]",
+  "[ 3/4 → 7/8 | note:E4 s:sawtooth release:0.5 phaser:2 phasersweep:800 ]",
+  "[ 7/8 → 1/1 | note:F#4 s:sawtooth release:0.5 phaser:2 phasersweep:800 ]",
+  "[ 1/1 → 9/8 | note:D3 s:sawtooth release:0.5 phaser:2 phasersweep:2000 ]",
+  "[ 9/8 → 5/4 | note:E3 s:sawtooth release:0.5 phaser:2 phasersweep:2000 ]",
+  "[ 5/4 → 11/8 | note:F#3 s:sawtooth release:0.5 phaser:2 phasersweep:2000 ]",
+  "[ 11/8 → 3/2 | note:A3 s:sawtooth release:0.5 phaser:2 phasersweep:2000 ]",
+  "[ 3/2 → 13/8 | note:B3 s:sawtooth release:0.5 phaser:2 phasersweep:2000 ]",
+  "[ 13/8 → 7/4 | note:D4 s:sawtooth release:0.5 phaser:2 phasersweep:2000 ]",
+  "[ 7/4 → 15/8 | note:E4 s:sawtooth release:0.5 phaser:2 phasersweep:2000 ]",
+  "[ 15/8 → 2/1 | note:F#4 s:sawtooth release:0.5 phaser:2 phasersweep:2000 ]",
+  "[ 2/1 → 17/8 | note:D3 s:sawtooth release:0.5 phaser:2 phasersweep:4000 ]",
+  "[ 17/8 → 9/4 | note:E3 s:sawtooth release:0.5 phaser:2 phasersweep:4000 ]",
+  "[ 9/4 → 19/8 | note:F#3 s:sawtooth release:0.5 phaser:2 phasersweep:4000 ]",
+  "[ 19/8 → 5/2 | note:A3 s:sawtooth release:0.5 phaser:2 phasersweep:4000 ]",
+  "[ 5/2 → 21/8 | note:B3 s:sawtooth release:0.5 phaser:2 phasersweep:4000 ]",
+  "[ 21/8 → 11/4 | note:D4 s:sawtooth release:0.5 phaser:2 phasersweep:4000 ]",
+  "[ 11/4 → 23/8 | note:E4 s:sawtooth release:0.5 phaser:2 phasersweep:4000 ]",
+  "[ 23/8 → 3/1 | note:F#4 s:sawtooth release:0.5 phaser:2 phasersweep:4000 ]",
+  "[ 3/1 → 25/8 | note:D3 s:sawtooth release:0.5 phaser:2 phasersweep:800 ]",
+  "[ 25/8 → 13/4 | note:E3 s:sawtooth release:0.5 phaser:2 phasersweep:800 ]",
+  "[ 13/4 → 27/8 | note:F#3 s:sawtooth release:0.5 phaser:2 phasersweep:800 ]",
+  "[ 27/8 → 7/2 | note:A3 s:sawtooth release:0.5 phaser:2 phasersweep:800 ]",
+  "[ 7/2 → 29/8 | note:B3 s:sawtooth release:0.5 phaser:2 phasersweep:800 ]",
+  "[ 29/8 → 15/4 | note:D4 s:sawtooth release:0.5 phaser:2 phasersweep:800 ]",
+  "[ 15/4 → 31/8 | note:E4 s:sawtooth release:0.5 phaser:2 phasersweep:800 ]",
+  "[ 31/8 → 4/1 | note:F#4 s:sawtooth release:0.5 phaser:2 phasersweep:800 ]",
+]
+`;
+
 exports[`runs examples > example "pianoroll" example index 0 1`] = `
 [
   "[ 0/1 → 1/8 | note:C2 s:piano clip:1 ]",
diff --git a/website/src/pages/learn/effects.mdx b/website/src/pages/learn/effects.mdx
index b1323a8e..a3ae91d7 100644
--- a/website/src/pages/learn/effects.mdx
+++ b/website/src/pages/learn/effects.mdx
@@ -240,3 +240,21 @@ global effects use the same chain for all events of the same orbit:
 <JsDoc client:idle name="iresponse" h={0} />
 
 Next, we'll look at strudel's support for [Csound](/learn/csound).
+
+## Phaser
+
+### phaser
+
+<JsDoc client:idle name="phaser" h={0} />
+
+### phaserdepth
+
+<JsDoc client:idle name="phaserdepth" h={0} />
+
+### phasercenter
+
+<JsDoc client:idle name="phasercenter" h={0} />
+
+### phasersweep
+
+<JsDoc client:idle name="phasersweep" h={0} />