From 37842d4fbde955bbf9f4c3594da6e12351f51938 Mon Sep 17 00:00:00 2001
From: Raphael Forment <raphael.forment@gmail.com>
Date: Tue, 5 Sep 2023 09:01:04 +0200
Subject: [PATCH] Revert "replace odd envelope"

This reverts commit 4319df0cb62b8ac3964a5dcfcf612b00532247c7.
---
 packages/superdough/helpers.mjs | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/packages/superdough/helpers.mjs b/packages/superdough/helpers.mjs
index 22f84048..4fda54eb 100644
--- a/packages/superdough/helpers.mjs
+++ b/packages/superdough/helpers.mjs
@@ -74,8 +74,11 @@ export function createFilter(context, type, frequency, Q, attack, decay, sustain
 
   // Apply ADSR to filter frequency
   if (fenvmod > 0) {
-    const gainNode = getADSR(attack, decay, sustain, release, fenvmod, t, t + attack + decay + release);
-    gainNode.connect(filter.frequency);
+    const sustainFreq = sustain * frequency;
+    filter.frequency.linearRampToValueAtTime(frequency * fenvmod, t + attack);
+    filter.frequency.linearRampToValueAtTime(sustainFreq, t + attack + decay);
+    filter.frequency.setValueAtTime(sustainFreq, end);
+    filter.frequency.linearRampToValueAtTime(frequency, end + release);
   }
 
   return filter;