diff --git a/AssetStudioGUI/Exporter.cs b/AssetStudioGUI/Exporter.cs
index 9639c97..deb2863 100644
--- a/AssetStudioGUI/Exporter.cs
+++ b/AssetStudioGUI/Exporter.cs
@@ -66,7 +66,7 @@ namespace AssetStudioGUI
             if (m_AudioData == null || m_AudioData.Length == 0)
                 return false;
             var converter = new AudioClipConverter(m_AudioClip);
-            if (Properties.Settings.Default.convertAudio && converter.IsFMODSupport)
+            if (Properties.Settings.Default.convertAudio && converter.IsSupport)
             {
                 var exportFullName = exportPath + item.Text + ".wav";
                 if (ExportFileExists(exportFullName))
diff --git a/AssetStudioUtility/AudioClipConverter.cs b/AssetStudioUtility/AudioClipConverter.cs
index c6a6c70..f7c77ce 100644
--- a/AssetStudioUtility/AudioClipConverter.cs
+++ b/AssetStudioUtility/AudioClipConverter.cs
@@ -116,24 +116,24 @@ namespace AssetStudio
                     case AudioCompressionFormat.MP3:
                         return ".fsb";
                     case AudioCompressionFormat.VAG:
-                        return ".vag";
+                        return ".fsb";
                     case AudioCompressionFormat.HEVAG:
-                        return ".vag";
+                        return ".fsb";
                     case AudioCompressionFormat.XMA:
-                        return ".wav";
+                        return ".fsb";
                     case AudioCompressionFormat.AAC:
                         return ".m4a";
                     case AudioCompressionFormat.GCADPCM:
                         return ".fsb";
                     case AudioCompressionFormat.ATRAC9:
-                        return ".at9";
+                        return ".fsb";
                 }
             }
 
             return ".AudioClip";
         }
 
-        public bool IsFMODSupport
+        public bool IsSupport
         {
             get
             {
@@ -147,7 +147,6 @@ namespace AssetStudio
                         case AudioType.S3M:
                         case AudioType.XM:
                         case AudioType.XMA:
-                        case AudioType.VAG:
                         case AudioType.AUDIOQUEUE:
                             return true;
                         default:
@@ -162,11 +161,7 @@ namespace AssetStudio
                         case AudioCompressionFormat.Vorbis:
                         case AudioCompressionFormat.ADPCM:
                         case AudioCompressionFormat.MP3:
-                        case AudioCompressionFormat.VAG:
-                        case AudioCompressionFormat.HEVAG:
                         case AudioCompressionFormat.XMA:
-                        case AudioCompressionFormat.GCADPCM:
-                        case AudioCompressionFormat.ATRAC9:
                             return true;
                         default:
                             return false;