From 020a6bc75fb1467a518c32c2d132298747693d8a Mon Sep 17 00:00:00 2001
From: Aria <weglossing@gmail.com>
Date: Sun, 23 Nov 2025 20:31:31 -0600
Subject: [PATCH 1/7] First pass at transient processor

---
 packages/core/controls.mjs       |  2 +
 packages/superdough/worklets.mjs | 70 ++++++++++++++++++++++++++++++++
 2 files changed, 72 insertions(+)

diff --git a/packages/core/controls.mjs b/packages/core/controls.mjs
index 809a45ab2..80a244efc 100644
--- a/packages/core/controls.mjs
+++ b/packages/core/controls.mjs
@@ -2584,3 +2584,5 @@ export const scrub = register(
   },
   false,
 );
+
+export const { transient } = registerControl(['transient', 'transsustain', 'transattack']);
diff --git a/packages/superdough/worklets.mjs b/packages/superdough/worklets.mjs
index bf633a63b..334e2d829 100644
--- a/packages/superdough/worklets.mjs
+++ b/packages/superdough/worklets.mjs
@@ -11,6 +11,9 @@ const PI = Math.PI;
 const TWO_PI = 2 * PI;
 const INVSR = 1 / sampleRate;
 
+const timeToCoeff = (t) => Math.exp(-INVSR / t);
+const dbToLin = (db) => Math.pow(10, db / 20);
+
 const clamp = (num, min, max) => Math.min(Math.max(num, min), max);
 const mod = (n, m) => ((n % m) + m) % m;
 const lerp = (a, b, n) => n * (b - a) + a;
@@ -1383,3 +1386,70 @@ class WavetableOscillatorProcessor extends AudioWorkletProcessor {
 }
 
 registerProcessor('wavetable-oscillator-processor', WavetableOscillatorProcessor);
+
+class TransientProcessor extends AudioWorkletProcessor {
+  static get parameterDescriptors() {
+    return [];
+  }
+
+  constructor(options) {
+    super();
+    this.gainCoeff = timeToCoeff(0.2);
+    this.avgGain = 1;
+    let {
+      attackTime = 0.003,
+      sustainTime = 0.08,
+      attack = 0,
+      sustain = 0,
+      sensitivity = 0.1,
+      mix = 1,
+    } = options.processorOptions;
+    attackTime = clamp(attackTime, 0.0005, 0.05);
+    sustainTime = clamp(sustainTime, 0.01, 0.5);
+    this.attackCoeff = timeToCoeff(attackTime);
+    this.sustainCoeff = timeToCoeff(sustainTime);
+    this.attackAmt = clamp(attack, -1, 1);
+    this.sustainAmt = clamp(sustain, -1, 1);
+    this.scaling = 0.5 + 5 * clamp(sensitivity, 0, 1);
+    this.mix = clamp(mix, 0, 1);
+  }
+
+  process(inputs, outputs, _params) {
+    const input = inputs[0];
+    const output = outputs[0];
+    if (!input || !output) {
+      return true;
+    }
+    const channels = output.length;
+    this.attackEnv ??= new Float32Array(channels);
+    this.sustainEnv ??= new Float32Array(channels);
+    let avgGain = this.avgGain;
+    for (let ch = 0; ch < channels; ch++) {
+      const inCh = input[ch];
+      const outCh = output[ch];
+      let attEnv = this.attackEnv[ch];
+      let susEnv = this.sustainEnv[ch];
+      for (let i = 0; i < blockSize; i++) {
+        const x = Math.abs(inCh[i]);
+        attEnv = lerp(attEnv, x, this.attackCoeff);
+        susEnv = lerp(susEnv, x, this.sustainCoeff);
+        const peakiness = clamp((this.scaling * (attEnv - susEnv)) / (susEnv + 1e-6), -1.5, 1.5);
+        const attScale = Math.max(0, peakiness);
+        const susScale = Math.max(0, -peakiness);
+        const attackGain = dbToLin(this.attackAmt * attScale * 18); // max 18db
+        const sustainGain = dbToLin(this.sustainAmt * susScale * 36); // max 36db
+        const gain = clamp(attackGain * sustainGain, 0, 8);
+        avgGain = lerp(avgGain, gain, this.gainCoeff);
+        const makeup = avgGain > 1e-3 ? 1 / avgGain : 1;
+        const wet = x * gain * makeup;
+        outCh[i] = lerp(x, wet, this.mix);
+      }
+      this.attackEnv[ch] = attEnv;
+      this.sustainEnv[ch] = susEnv;
+    }
+    this.avgGain = avgGain;
+    return true;
+  }
+}
+
+registerProcessor('transient-processor', TransientProcessor);

From 68840de188622e302276aa7dd31f8c895e6c6887 Mon Sep 17 00:00:00 2001
From: Aria <weglossing@gmail.com>
Date: Sun, 23 Nov 2025 20:58:28 -0600
Subject: [PATCH 2/7] Working version

---
 packages/superdough/superdough.mjs | 19 +++++++++++++++++++
 packages/superdough/worklets.mjs   | 13 ++++++-------
 2 files changed, 25 insertions(+), 7 deletions(-)

diff --git a/packages/superdough/superdough.mjs b/packages/superdough/superdough.mjs
index 650f9c2ce..acf6edef2 100644
--- a/packages/superdough/superdough.mjs
+++ b/packages/superdough/superdough.mjs
@@ -451,6 +451,9 @@ export const superdough = async (value, t, hapDuration, cps = 0.5, cycle = 0.5)
     compressorKnee,
     compressorAttack,
     compressorRelease,
+    transient,
+    transsustain,
+    transattack,
   } = value;
 
   delaytime = delaytime ?? cycleToSeconds(delaysync, cps);
@@ -532,6 +535,22 @@ export const superdough = async (value, t, hapDuration, cps = 0.5, cycle = 0.5)
   chain.push(sourceNode);
   stretch !== undefined && chain.push(getWorklet(ac, 'phase-vocoder-processor', { pitchFactor: stretch }));
 
+  transient !== undefined &&
+    chain.push(
+      getWorklet(
+        ac,
+        'transient-processor',
+        {},
+        {
+          processorOptions: {
+            attack: transient,
+            sustain: transsustain,
+            attackTime: transattack,
+          },
+        },
+      ),
+    );
+
   // gain stage
   chain.push(gainNode(gain));
 
diff --git a/packages/superdough/worklets.mjs b/packages/superdough/worklets.mjs
index 334e2d829..6af7dffc1 100644
--- a/packages/superdough/worklets.mjs
+++ b/packages/superdough/worklets.mjs
@@ -11,7 +11,7 @@ const PI = Math.PI;
 const TWO_PI = 2 * PI;
 const INVSR = 1 / sampleRate;
 
-const timeToCoeff = (t) => Math.exp(-INVSR / t);
+const timeToCoeff = (t) => 1 - Math.exp(-INVSR / t);
 const dbToLin = (db) => Math.pow(10, db / 20);
 
 const clamp = (num, min, max) => Math.min(Math.max(num, min), max);
@@ -1420,17 +1420,16 @@ class TransientProcessor extends AudioWorkletProcessor {
     if (!input || !output) {
       return true;
     }
-    const channels = output.length;
+    const channels = input.length;
     this.attackEnv ??= new Float32Array(channels);
     this.sustainEnv ??= new Float32Array(channels);
     let avgGain = this.avgGain;
     for (let ch = 0; ch < channels; ch++) {
-      const inCh = input[ch];
-      const outCh = output[ch];
       let attEnv = this.attackEnv[ch];
       let susEnv = this.sustainEnv[ch];
-      for (let i = 0; i < blockSize; i++) {
-        const x = Math.abs(inCh[i]);
+      for (let n = 0; n < blockSize; n++) {
+        const sample = input[ch][n];
+        const x = Math.abs(sample);
         attEnv = lerp(attEnv, x, this.attackCoeff);
         susEnv = lerp(susEnv, x, this.sustainCoeff);
         const peakiness = clamp((this.scaling * (attEnv - susEnv)) / (susEnv + 1e-6), -1.5, 1.5);
@@ -1442,7 +1441,7 @@ class TransientProcessor extends AudioWorkletProcessor {
         avgGain = lerp(avgGain, gain, this.gainCoeff);
         const makeup = avgGain > 1e-3 ? 1 / avgGain : 1;
         const wet = x * gain * makeup;
-        outCh[i] = lerp(x, wet, this.mix);
+        output[ch][n] = lerp(sample, wet, this.mix);
       }
       this.attackEnv[ch] = attEnv;
       this.sustainEnv[ch] = susEnv;

From df047fd48dbb4df27ca596f2ca085eeb2fb86c4d Mon Sep 17 00:00:00 2001
From: Aria <weglossing@gmail.com>
Date: Sun, 23 Nov 2025 22:28:10 -0600
Subject: [PATCH 3/7] Optimizations

---
 packages/core/controls.mjs         | 14 +++++++++++++-
 packages/superdough/superdough.mjs |  2 --
 packages/superdough/worklets.mjs   | 16 +++++++++++-----
 3 files changed, 24 insertions(+), 8 deletions(-)

diff --git a/packages/core/controls.mjs b/packages/core/controls.mjs
index 80a244efc..bca7036ad 100644
--- a/packages/core/controls.mjs
+++ b/packages/core/controls.mjs
@@ -2585,4 +2585,16 @@ export const scrub = register(
   false,
 );
 
-export const { transient } = registerControl(['transient', 'transsustain', 'transattack']);
+/**
+ * Transient shaper. Gives independent control over the emphasis on transients
+ * and sustains
+ *
+ * @name transient
+ * @param {number | Pattern} attack Emphasis on transients; between -1 (deaccentuate) and 1 (accentuate)
+ * @param {number | Pattern} sustain Emphasis on the sustains; between -1 (deaccentuate) and 1 (accentuate)
+ * @example
+ * s("bd").transient("<-1 -0.5 0 0.5 1>")
+ * @example
+ * s("hh*16").bank("tr909").transient("<-1:1 1:-1>")
+ */
+export const { transient } = registerControl(['transient', 'transsustain']);
diff --git a/packages/superdough/superdough.mjs b/packages/superdough/superdough.mjs
index acf6edef2..ac6ca7322 100644
--- a/packages/superdough/superdough.mjs
+++ b/packages/superdough/superdough.mjs
@@ -453,7 +453,6 @@ export const superdough = async (value, t, hapDuration, cps = 0.5, cycle = 0.5)
     compressorRelease,
     transient,
     transsustain,
-    transattack,
   } = value;
 
   delaytime = delaytime ?? cycleToSeconds(delaysync, cps);
@@ -545,7 +544,6 @@ export const superdough = async (value, t, hapDuration, cps = 0.5, cycle = 0.5)
           processorOptions: {
             attack: transient,
             sustain: transsustain,
-            attackTime: transattack,
           },
         },
       ),
diff --git a/packages/superdough/worklets.mjs b/packages/superdough/worklets.mjs
index 6af7dffc1..6b370166c 100644
--- a/packages/superdough/worklets.mjs
+++ b/packages/superdough/worklets.mjs
@@ -1412,6 +1412,10 @@ class TransientProcessor extends AudioWorkletProcessor {
     this.sustainAmt = clamp(sustain, -1, 1);
     this.scaling = 0.5 + 5 * clamp(sensitivity, 0, 1);
     this.mix = clamp(mix, 0, 1);
+    const maxAttackDb = this.attackAmt * 6;
+    const maxSustainDb = this.sustainAmt * 36;
+    this.attackMaxGain = dbToLin(maxAttackDb) - 1; // increasing from 1
+    this.sustainMaxGain = dbToLin(maxSustainDb) - 1;
   }
 
   process(inputs, outputs, _params) {
@@ -1433,15 +1437,17 @@ class TransientProcessor extends AudioWorkletProcessor {
         attEnv = lerp(attEnv, x, this.attackCoeff);
         susEnv = lerp(susEnv, x, this.sustainCoeff);
         const peakiness = clamp((this.scaling * (attEnv - susEnv)) / (susEnv + 1e-6), -1.5, 1.5);
-        const attScale = Math.max(0, peakiness);
-        const susScale = Math.max(0, -peakiness);
-        const attackGain = dbToLin(this.attackAmt * attScale * 18); // max 18db
-        const sustainGain = dbToLin(this.sustainAmt * susScale * 36); // max 36db
+        const attScale = peakiness > 0 ? peakiness : 0;
+        const susScale = peakiness < 0 ? -peakiness : 0;
+        const attackGain = 1 + attScale * this.attackMaxGain;
+        const sustainGain = 1 + susScale * this.sustainMaxGain;
         const gain = clamp(attackGain * sustainGain, 0, 8);
         avgGain = lerp(avgGain, gain, this.gainCoeff);
         const makeup = avgGain > 1e-3 ? 1 / avgGain : 1;
         const wet = x * gain * makeup;
-        output[ch][n] = lerp(sample, wet, this.mix);
+        let y = lerp(sample, wet, this.mix);
+        y /= (1 + Math.abs(y)); // soft clip
+        output[ch][n] = y;
       }
       this.attackEnv[ch] = attEnv;
       this.sustainEnv[ch] = susEnv;

From be36898803a59f201d3d3db4e79bf35a2cc53edb Mon Sep 17 00:00:00 2001
From: Aria <weglossing@gmail.com>
Date: Sun, 23 Nov 2025 22:29:33 -0600
Subject: [PATCH 4/7] Formatting and examples

---
 packages/superdough/worklets.mjs          |  2 +-
 test/__snapshots__/examples.test.mjs.snap | 78 +++++++++++++++++++++++
 2 files changed, 79 insertions(+), 1 deletion(-)

diff --git a/packages/superdough/worklets.mjs b/packages/superdough/worklets.mjs
index 6b370166c..e5dd0a0d7 100644
--- a/packages/superdough/worklets.mjs
+++ b/packages/superdough/worklets.mjs
@@ -1446,7 +1446,7 @@ class TransientProcessor extends AudioWorkletProcessor {
         const makeup = avgGain > 1e-3 ? 1 / avgGain : 1;
         const wet = x * gain * makeup;
         let y = lerp(sample, wet, this.mix);
-        y /= (1 + Math.abs(y)); // soft clip
+        y /= 1 + Math.abs(y); // soft clip
         output[ch][n] = y;
       }
       this.attackEnv[ch] = attEnv;
diff --git a/test/__snapshots__/examples.test.mjs.snap b/test/__snapshots__/examples.test.mjs.snap
index 31e4bddd3..66777d5e1 100644
--- a/test/__snapshots__/examples.test.mjs.snap
+++ b/test/__snapshots__/examples.test.mjs.snap
@@ -11410,6 +11410,84 @@ exports[`runs examples > example "tour" example index 0 1`] = `
 ]
 `;
 
+exports[`runs examples > example "transient" example index 0 1`] = `
+[
+  "[ 0/1 → 1/1 | s:bd transient:-1 ]",
+  "[ 1/1 → 2/1 | s:bd transient:-0.5 ]",
+  "[ 2/1 → 3/1 | s:bd transient:0 ]",
+  "[ 3/1 → 4/1 | s:bd transient:0.5 ]",
+]
+`;
+
+exports[`runs examples > example "transient" example index 1 1`] = `
+[
+  "[ 0/1 → 1/16 | s:hh bank:tr909 transient:-1 transsustain:1 ]",
+  "[ 1/16 → 1/8 | s:hh bank:tr909 transient:-1 transsustain:1 ]",
+  "[ 1/8 → 3/16 | s:hh bank:tr909 transient:-1 transsustain:1 ]",
+  "[ 3/16 → 1/4 | s:hh bank:tr909 transient:-1 transsustain:1 ]",
+  "[ 1/4 → 5/16 | s:hh bank:tr909 transient:-1 transsustain:1 ]",
+  "[ 5/16 → 3/8 | s:hh bank:tr909 transient:-1 transsustain:1 ]",
+  "[ 3/8 → 7/16 | s:hh bank:tr909 transient:-1 transsustain:1 ]",
+  "[ 7/16 → 1/2 | s:hh bank:tr909 transient:-1 transsustain:1 ]",
+  "[ 1/2 → 9/16 | s:hh bank:tr909 transient:-1 transsustain:1 ]",
+  "[ 9/16 → 5/8 | s:hh bank:tr909 transient:-1 transsustain:1 ]",
+  "[ 5/8 → 11/16 | s:hh bank:tr909 transient:-1 transsustain:1 ]",
+  "[ 11/16 → 3/4 | s:hh bank:tr909 transient:-1 transsustain:1 ]",
+  "[ 3/4 → 13/16 | s:hh bank:tr909 transient:-1 transsustain:1 ]",
+  "[ 13/16 → 7/8 | s:hh bank:tr909 transient:-1 transsustain:1 ]",
+  "[ 7/8 → 15/16 | s:hh bank:tr909 transient:-1 transsustain:1 ]",
+  "[ 15/16 → 1/1 | s:hh bank:tr909 transient:-1 transsustain:1 ]",
+  "[ 1/1 → 17/16 | s:hh bank:tr909 transient:1 transsustain:-1 ]",
+  "[ 17/16 → 9/8 | s:hh bank:tr909 transient:1 transsustain:-1 ]",
+  "[ 9/8 → 19/16 | s:hh bank:tr909 transient:1 transsustain:-1 ]",
+  "[ 19/16 → 5/4 | s:hh bank:tr909 transient:1 transsustain:-1 ]",
+  "[ 5/4 → 21/16 | s:hh bank:tr909 transient:1 transsustain:-1 ]",
+  "[ 21/16 → 11/8 | s:hh bank:tr909 transient:1 transsustain:-1 ]",
+  "[ 11/8 → 23/16 | s:hh bank:tr909 transient:1 transsustain:-1 ]",
+  "[ 23/16 → 3/2 | s:hh bank:tr909 transient:1 transsustain:-1 ]",
+  "[ 3/2 → 25/16 | s:hh bank:tr909 transient:1 transsustain:-1 ]",
+  "[ 25/16 → 13/8 | s:hh bank:tr909 transient:1 transsustain:-1 ]",
+  "[ 13/8 → 27/16 | s:hh bank:tr909 transient:1 transsustain:-1 ]",
+  "[ 27/16 → 7/4 | s:hh bank:tr909 transient:1 transsustain:-1 ]",
+  "[ 7/4 → 29/16 | s:hh bank:tr909 transient:1 transsustain:-1 ]",
+  "[ 29/16 → 15/8 | s:hh bank:tr909 transient:1 transsustain:-1 ]",
+  "[ 15/8 → 31/16 | s:hh bank:tr909 transient:1 transsustain:-1 ]",
+  "[ 31/16 → 2/1 | s:hh bank:tr909 transient:1 transsustain:-1 ]",
+  "[ 2/1 → 33/16 | s:hh bank:tr909 transient:-1 transsustain:1 ]",
+  "[ 33/16 → 17/8 | s:hh bank:tr909 transient:-1 transsustain:1 ]",
+  "[ 17/8 → 35/16 | s:hh bank:tr909 transient:-1 transsustain:1 ]",
+  "[ 35/16 → 9/4 | s:hh bank:tr909 transient:-1 transsustain:1 ]",
+  "[ 9/4 → 37/16 | s:hh bank:tr909 transient:-1 transsustain:1 ]",
+  "[ 37/16 → 19/8 | s:hh bank:tr909 transient:-1 transsustain:1 ]",
+  "[ 19/8 → 39/16 | s:hh bank:tr909 transient:-1 transsustain:1 ]",
+  "[ 39/16 → 5/2 | s:hh bank:tr909 transient:-1 transsustain:1 ]",
+  "[ 5/2 → 41/16 | s:hh bank:tr909 transient:-1 transsustain:1 ]",
+  "[ 41/16 → 21/8 | s:hh bank:tr909 transient:-1 transsustain:1 ]",
+  "[ 21/8 → 43/16 | s:hh bank:tr909 transient:-1 transsustain:1 ]",
+  "[ 43/16 → 11/4 | s:hh bank:tr909 transient:-1 transsustain:1 ]",
+  "[ 11/4 → 45/16 | s:hh bank:tr909 transient:-1 transsustain:1 ]",
+  "[ 45/16 → 23/8 | s:hh bank:tr909 transient:-1 transsustain:1 ]",
+  "[ 23/8 → 47/16 | s:hh bank:tr909 transient:-1 transsustain:1 ]",
+  "[ 47/16 → 3/1 | s:hh bank:tr909 transient:-1 transsustain:1 ]",
+  "[ 3/1 → 49/16 | s:hh bank:tr909 transient:1 transsustain:-1 ]",
+  "[ 49/16 → 25/8 | s:hh bank:tr909 transient:1 transsustain:-1 ]",
+  "[ 25/8 → 51/16 | s:hh bank:tr909 transient:1 transsustain:-1 ]",
+  "[ 51/16 → 13/4 | s:hh bank:tr909 transient:1 transsustain:-1 ]",
+  "[ 13/4 → 53/16 | s:hh bank:tr909 transient:1 transsustain:-1 ]",
+  "[ 53/16 → 27/8 | s:hh bank:tr909 transient:1 transsustain:-1 ]",
+  "[ 27/8 → 55/16 | s:hh bank:tr909 transient:1 transsustain:-1 ]",
+  "[ 55/16 → 7/2 | s:hh bank:tr909 transient:1 transsustain:-1 ]",
+  "[ 7/2 → 57/16 | s:hh bank:tr909 transient:1 transsustain:-1 ]",
+  "[ 57/16 → 29/8 | s:hh bank:tr909 transient:1 transsustain:-1 ]",
+  "[ 29/8 → 59/16 | s:hh bank:tr909 transient:1 transsustain:-1 ]",
+  "[ 59/16 → 15/4 | s:hh bank:tr909 transient:1 transsustain:-1 ]",
+  "[ 15/4 → 61/16 | s:hh bank:tr909 transient:1 transsustain:-1 ]",
+  "[ 61/16 → 31/8 | s:hh bank:tr909 transient:1 transsustain:-1 ]",
+  "[ 31/8 → 63/16 | s:hh bank:tr909 transient:1 transsustain:-1 ]",
+  "[ 63/16 → 4/1 | s:hh bank:tr909 transient:1 transsustain:-1 ]",
+]
+`;
+
 exports[`runs examples > example "transpose" example index 0 1`] = `
 [
   "[ 0/1 → 1/4 | note:C2 ]",

From 6c01c16a0cbd4dda8f4fe6081746824d79972701 Mon Sep 17 00:00:00 2001
From: Aria <weglossing@gmail.com>
Date: Sun, 23 Nov 2025 22:39:21 -0600
Subject: [PATCH 5/7] Fix typo

---
 packages/superdough/worklets.mjs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/packages/superdough/worklets.mjs b/packages/superdough/worklets.mjs
index e5dd0a0d7..67d5e1641 100644
--- a/packages/superdough/worklets.mjs
+++ b/packages/superdough/worklets.mjs
@@ -1436,7 +1436,7 @@ class TransientProcessor extends AudioWorkletProcessor {
         const x = Math.abs(sample);
         attEnv = lerp(attEnv, x, this.attackCoeff);
         susEnv = lerp(susEnv, x, this.sustainCoeff);
-        const peakiness = clamp((this.scaling * (attEnv - susEnv)) / (susEnv + 1e-6), -1.5, 1.5);
+        const peakiness = clamp((this.scaling * (attEnv - susEnv)) / (susEnv + 1e-6), -1, 1);
         const attScale = peakiness > 0 ? peakiness : 0;
         const susScale = peakiness < 0 ? -peakiness : 0;
         const attackGain = 1 + attScale * this.attackMaxGain;
@@ -1444,7 +1444,7 @@ class TransientProcessor extends AudioWorkletProcessor {
         const gain = clamp(attackGain * sustainGain, 0, 8);
         avgGain = lerp(avgGain, gain, this.gainCoeff);
         const makeup = avgGain > 1e-3 ? 1 / avgGain : 1;
-        const wet = x * gain * makeup;
+        const wet = sample * gain * makeup;
         let y = lerp(sample, wet, this.mix);
         y /= 1 + Math.abs(y); // soft clip
         output[ch][n] = y;

From 36587ae74732fa69f58704b2a0f3a0ebfbf8e96a Mon Sep 17 00:00:00 2001
From: Aria <weglossing@gmail.com>
Date: Sun, 23 Nov 2025 22:55:36 -0600
Subject: [PATCH 6/7] Switch back to original version

---
 packages/superdough/worklets.mjs | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/packages/superdough/worklets.mjs b/packages/superdough/worklets.mjs
index 67d5e1641..d88e9dea2 100644
--- a/packages/superdough/worklets.mjs
+++ b/packages/superdough/worklets.mjs
@@ -1412,10 +1412,6 @@ class TransientProcessor extends AudioWorkletProcessor {
     this.sustainAmt = clamp(sustain, -1, 1);
     this.scaling = 0.5 + 5 * clamp(sensitivity, 0, 1);
     this.mix = clamp(mix, 0, 1);
-    const maxAttackDb = this.attackAmt * 6;
-    const maxSustainDb = this.sustainAmt * 36;
-    this.attackMaxGain = dbToLin(maxAttackDb) - 1; // increasing from 1
-    this.sustainMaxGain = dbToLin(maxSustainDb) - 1;
   }
 
   process(inputs, outputs, _params) {
@@ -1436,11 +1432,11 @@ class TransientProcessor extends AudioWorkletProcessor {
         const x = Math.abs(sample);
         attEnv = lerp(attEnv, x, this.attackCoeff);
         susEnv = lerp(susEnv, x, this.sustainCoeff);
-        const peakiness = clamp((this.scaling * (attEnv - susEnv)) / (susEnv + 1e-6), -1, 1);
+        const peakiness = clamp((this.scaling * (attEnv - susEnv)) / (susEnv + 1e-6), -1.5, 1.5);
         const attScale = peakiness > 0 ? peakiness : 0;
         const susScale = peakiness < 0 ? -peakiness : 0;
-        const attackGain = 1 + attScale * this.attackMaxGain;
-        const sustainGain = 1 + susScale * this.sustainMaxGain;
+        const attackGain = dbToLin(this.attackAmt * attScale * 18);
+        const sustainGain = dbToLin(this.sustainAmt * susScale * 36);
         const gain = clamp(attackGain * sustainGain, 0, 8);
         avgGain = lerp(avgGain, gain, this.gainCoeff);
         const makeup = avgGain > 1e-3 ? 1 / avgGain : 1;

From 358b1e3f563ffe6bafd33689b1fec8e7c02c4ecc Mon Sep 17 00:00:00 2001
From: Aria <weglossing@gmail.com>
Date: Sun, 7 Dec 2025 13:28:57 -0600
Subject: [PATCH 7/7] Make sure processor turns off; fix array sizes for JIT

---
 packages/superdough/superdough.mjs |  2 ++
 packages/superdough/worklets.mjs   | 17 ++++++++++++++---
 2 files changed, 16 insertions(+), 3 deletions(-)

diff --git a/packages/superdough/superdough.mjs b/packages/superdough/superdough.mjs
index 52bf332e3..b4df1f734 100644
--- a/packages/superdough/superdough.mjs
+++ b/packages/superdough/superdough.mjs
@@ -544,6 +544,8 @@ export const superdough = async (value, t, hapDuration, cps = 0.5, cycle = 0.5)
           processorOptions: {
             attack: transient,
             sustain: transsustain,
+            begin: t,
+            end: endWithRelease,
           },
         },
       ),
diff --git a/packages/superdough/worklets.mjs b/packages/superdough/worklets.mjs
index d190cf41f..a59aeb756 100644
--- a/packages/superdough/worklets.mjs
+++ b/packages/superdough/worklets.mjs
@@ -1404,6 +1404,8 @@ class TransientProcessor extends AudioWorkletProcessor {
       sustain = 0,
       sensitivity = 0.1,
       mix = 1,
+      begin = 0,
+      end = 0,
     } = options.processorOptions;
     attackTime = clamp(attackTime, 0.0005, 0.05);
     sustainTime = clamp(sustainTime, 0.01, 0.5);
@@ -1413,17 +1415,26 @@ class TransientProcessor extends AudioWorkletProcessor {
     this.sustainAmt = clamp(sustain, -1, 1);
     this.scaling = 0.5 + 5 * clamp(sensitivity, 0, 1);
     this.mix = clamp(mix, 0, 1);
+    this.begin = begin;
+    this.end = end;
+    this.attackEnv = new Float32Array(2); // assume stereo
+    this.sustainEnv = new Float32Array(2);
   }
 
   process(inputs, outputs, _params) {
     const input = inputs[0];
     const output = outputs[0];
-    if (!input || !output) {
+    if (currentTime >= this.end) {
+      return false;
+    }
+    if (currentTime <= this.begin) {
       return true;
     }
     const channels = input.length;
-    this.attackEnv ??= new Float32Array(channels);
-    this.sustainEnv ??= new Float32Array(channels);
+    if (channels > this.attackEnv.length) {
+      this.attackEnv = new Float32Array(channels);
+      this.sustainEnv = new Float32Array(channels);
+    }
     let avgGain = this.avgGain;
     for (let ch = 0; ch < channels; ch++) {
       let attEnv = this.attackEnv[ch];