From f93e5027b1aeaf279d4e6e75c3890f00f5bf2d49 Mon Sep 17 00:00:00 2001
From: Leo Coogan <leocoogan@mailfence.com>
Date: Mon, 14 Apr 2025 22:56:43 -0400
Subject: [PATCH] extended params

---
 effects/springverb.scd | 88 ++++++++++++++++++++++++++++++++++++++----
 1 file changed, 80 insertions(+), 8 deletions(-)

diff --git a/effects/springverb.scd b/effects/springverb.scd
index d03d2ae..eb7c073 100644
--- a/effects/springverb.scd
+++ b/effects/springverb.scd
@@ -1,13 +1,70 @@
 b = Buffer.read(s, "/home/lcoogan/snd/demos/springverb.wav")
 
+s.prepareForRecord;
+s.record("~/snd/releases/desolation-mountain/springverb.wav");
+
+(
+s.waitForBoot {
+	s.record(
+		"~/snd/releases/desolation-mountain/springverb.wav",
+		2
+	);
+};
+)
+
+s.stopRecording;
+
 (
 {
-    PlayBuf.ar(1, b!2, 1, loop: 1) * 0.3
+    PlayBuf.ar(2, b, 1, loop: 0) * 0.3
 }.play;
 )
 
 (
-SynthDef(\springverb, { |length = 1, fb = 0.8, sep = 0.012|
+~echo = Synth(\springverb, [
+    \length, TempoClock.default.tempo * (3/8),
+    \fb, 0.1,
+    \sep, 0.0014
+], addAction: \addToTail);
+)
+
+(
+~echo.free;
+~springverb.free;
+)
+
+(
+~springverb = Synth(\springverb, [
+    \decay, 1.8,
+    \boing, 0.025,
+    \mix, 0.5,
+    \tone, 3000,
+    \drive, 1.2
+], addAction: \addToTail);
+)
+
+(
+~springverb = Synth(\springverb, [
+    \decay, 1.8,
+    \boing, 0.025,
+    \mix, 0.5,
+    \tone, 3000,
+    \drive, 1.2
+], addAction: \addToTail);
+
+(
+~echo = Synth(\springverb, [
+    \length, TempoClock.default.tempo * (3/8),
+    \fb, 0.1,
+    \sep, 0.0014
+], addAction: \addToTail);
+)
+)
+
+
+
+(
+SynthDef(\echo, { |length = 1, fb = 0.8, sep = 0.012|
     var input = In.ar(0, 2);
     var output = input + Fb({ |feedback|
 
@@ -33,12 +90,27 @@ SynthDef(\springverb, { |length = 1, fb = 0.8, sep = 0.012|
 }).store;
 )
 
+
+
+
 (
-~springverb = Synth(\springverb, [
-    \length, TempoClock.default.tempo * (3/8),
-    \fb, 0.1,
-    \sep, 0.0014
-], addAction: \addToTail);
-)
+SynthDef(\springverb, { |inBus = 0, outBus = 0, decay = 1.2, boing = 0.03, mix = 0.4, tone = 5000, drive = 1.0|
+    var dry = In.ar(inBus, 2);
+    var verb, spring, wet;
+
+    // Pre-emphasize and drive the input (mimics spring preamp)
+    spring = dry * drive;
+    spring = spring.tanh;
+
+    // Simulate springy tail
+    spring = CombL.ar(spring, 0.1, boing, decay);
+    spring = AllpassL.ar(spring, 0.1, [0.025, 0.030], decay);
+    spring = LPF.ar(spring, tone);  // darken the tail
+    spring = spring * mix;
 
+    // Mix dry and wet
+    verb = XFade2.ar(dry, spring, mix * 2 - 1); // Crossfade between dry and wet
 
+    Out.ar(outBus, verb);
+}).store;
+)