diff --git a/1.5/Assemblies/Rimworld-Animations.dll b/1.5/Assemblies/Rimworld-Animations.dll
index fa7d7d7..9ea1dc7 100644
Binary files a/1.5/Assemblies/Rimworld-Animations.dll and b/1.5/Assemblies/Rimworld-Animations.dll differ
diff --git a/1.5/Source/Animations/AnimationWorkers/AnimationWorker_KeyframesExtended.cs b/1.5/Source/Animations/AnimationWorkers/AnimationWorker_KeyframesExtended.cs
index 395a16f..0c8440f 100644
--- a/1.5/Source/Animations/AnimationWorkers/AnimationWorker_KeyframesExtended.cs
+++ b/1.5/Source/Animations/AnimationWorkers/AnimationWorker_KeyframesExtended.cs
@@ -35,7 +35,17 @@ namespace Rimworld_Animations
             {
                 if (tick == keyframe.tick)
                 {
-                    return (keyframe as ExtendedKeyframe).voice;
+                    VoiceTagDef voiceTag = (keyframe as ExtendedKeyframe).voice;
+
+                    //probability checking 
+                    if (Rand.Chance(voiceTag.probability))
+                    {
+                        return voiceTag;
+                    }
+                    else
+                    {
+                        return null;
+                    }
                 }
 
             }
diff --git a/1.5/Source/Voices/VoiceTagDef.cs b/1.5/Source/Voices/VoiceTagDef.cs
index 3ebb678..2127b22 100644
--- a/1.5/Source/Voices/VoiceTagDef.cs
+++ b/1.5/Source/Voices/VoiceTagDef.cs
@@ -9,5 +9,8 @@ namespace Rimworld_Animations
 {
     public class VoiceTagDef : Def
     {
+
+        public float probability = 1;
+
     }
 }