Bound stronger signal shaker to available output headroom

2026-10-04 21:33:58 +08:00 · 2026-09-19 20:45:23 -07:00
parent b86a1b9475
commit 1f2356b0bc
1 changed files with 2 additions and 0 deletions
@@ -85,6 +85,8 @@ class SignalShaker:
  if self.stop_frame is not None:
   envelope=np.clip(1-(np.arange(start_frame,end)-self.stop_frame)/self.release,0,1).astype(np.float32)
   overlay*=envelope[:,None]
+  # Add percussion only within available sample headroom; preserve the source.
+  np.clip(overlay,-np.maximum(0.,1.+pcm),np.maximum(0.,1.-pcm),out=overlay)
  self.rendered_peak=float(np.max(np.abs(overlay),initial=0));self.rendered_active=self.rendered_peak>0
  if not self.rendered_active:return pcm
  return pcm+overlay