From cb46519767d5b0265e699325eb1a99b753e94342 Mon Sep 17 00:00:00 2001
From: "J.D. Purcell" <jdpurcell@gmail.com>
Date: Sun, 27 Sep 2015 22:55:37 -0400
Subject: [PATCH] Optimization.

---
 src/Controls/AudioVisualizer.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Controls/AudioVisualizer.cs b/src/Controls/AudioVisualizer.cs
index f9fe05129..70c9303a6 100644
--- a/src/Controls/AudioVisualizer.cs
+++ b/src/Controls/AudioVisualizer.cs
@@ -696,7 +696,7 @@ namespace Nikse.SubtitleEdit.Controls
 
         private void DrawParagraph(Paragraph paragraph, Graphics graphics)
         {
-            if (paragraph == null)
+            if (paragraph == null || paragraph.EndTime.TotalSeconds < StartPositionSeconds || paragraph.StartTime.TotalSeconds > EndPositionSeconds)
                 return;
 
             int currentRegionLeft = SecondsToXPosition(paragraph.StartTime.TotalSeconds - StartPositionSeconds);