fix: stronger formant effect - lower tonalityLimit max to 0.03 (~1.4kHz cutoff at max)

lanmower · lanmower · commit cf03fc46f57c · 2026-04-16T09:00:11.000+02:00
diff --git a/patches/RubberBandWrapper.h b/patches/RubberBandWrapper.h
@@ -67,7 +67,7 @@ class RubberBandWrapper {
     // At 48kHz: tonalityLimit 0.08 → freqTonalityLimit ~3.8kHz cutoff
     // Below cutoff: pitch shifts. Above cutoff: passes through (preserves formants)
     // 0 = no preservation (uniform shift), 1 = strong preservation
-    m_formant = norm * 0.08f;
+    m_formant = norm * 0.03f;
     m_stretch.setTransposeFactor(m_pitchScale, m_formant);
   }
 

Original file line number	Diff line number	Diff line change
`@@ -67,7 +67,7 @@ class RubberBandWrapper {`
`67`	`67`	`// At 48kHz: tonalityLimit 0.08 → freqTonalityLimit ~3.8kHz cutoff`
`68`	`68`	`// Below cutoff: pitch shifts. Above cutoff: passes through (preserves formants)`
`69`	`69`	`// 0 = no preservation (uniform shift), 1 = strong preservation`
`70`		`- m_formant = norm * 0.08f;`
	`70`	`+ m_formant = norm * 0.03f;`
`71`	`71`	`m_stretch.setTransposeFactor(m_pitchScale, m_formant);`
`72`	`72`	`}`
`73`	`73`