diff --git a/SLUB_mediaconch_policy_retrodigitized_audio.xml b/SLUB_mediaconch_policy_retrodigitized_audio.xml
index f5c219300f53e2d4c97afa1c76864545114553c5..7cc7d2ac49b99fc479a5adac0e2402833a5640e2 100644
--- a/SLUB_mediaconch_policy_retrodigitized_audio.xml
+++ b/SLUB_mediaconch_policy_retrodigitized_audio.xml
@@ -11,7 +11,10 @@
   </description>
   <policy type="and" name="MKV, FFV1 Intra, PCM/FLAC, error detection">
     <policy type="and" name="Container">
-      <rule name="General/FileExtension is mkv" value="FileExtension" tracktype="General" occurrence="*" operator="=">mkv</rule>
+      <policy type="or" name="FileExtension">
+        <rule name="General/FileExtension is mkv" value="FileExtension" tracktype="General" occurrence="*" operator="=">mkv</rule>
+        <rule name="General/FileExtension is mka" value="FileExtension" tracktype="General" occurrence="*" operator="=">mka</rule>
+      </policy>
       <rule name="Container is MKV" value="Format" tracktype="General" occurrence="*" operator="=">Matroska</rule>
       <rule name="Unique ID is present" value="UniqueID" tracktype="General" occurrence="*"/>
       <rule name="Container uses error detection" value="extra/ErrorDetectionType" tracktype="General" occurrence="*" operator="=">Per level 1</rule>
@@ -19,21 +22,21 @@
       
     </policy>
 
-    <policy type="or" name="Audio">
+    <policy type="and" name="Audio">
       <rule name="General/AudioCount is 1" value="AudioCount" tracktype="General" occurrence="*" operator="=">1</rule>
       <policy type="or" name="Audio is PCM or FLAC">
         <rule name="Audio is PCM" value="Format" tracktype="Audio" occurrence="*" operator="=">PCM</rule>
         <rule name="Audio is FLAC" value="Format" tracktype="Audio" occurrence="*" operator="=">FLAC</rule>
       </policy>
-      <rule name="Audio is 48000 Hz" value="SamplingRate" tracktype="Audio" occurrence="*" operator="=">48000</rule>
+      <policy name="Audio is multiple of 48kHz" type="or">
+        <rule name="Audio is 48000 Hz" value="SamplingRate" tracktype="Audio" occurrence="*" operator="=">48000</rule>
+        <rule name="Audio is 96000 Hz" value="SamplingRate" tracktype="Audio" occurrence="*" operator="=">96000</rule>
+      </policy>
       <policy type="or" name="Audio is Stereo or Mono">
         <rule name="Audio is mono" value="Channels" tracktype="Audio" occurrence="*" operator="=">1</rule>
         <rule name="Audio is stereo" value="Channels" tracktype="Audio" occurrence="*" operator="=">2</rule>
       </policy>
-      <policy type="or" name="Audio Bit Depth is 16 or 24">
-        <rule name="Bit Depth is 16" value="BitDepth" tracktype="Audio" occurrence="*" operator="=">16</rule>
-        <rule name="Bit Depth is 24" value="BitDepth" tracktype="Audio" occurrence="*" operator="=">24</rule>
-      </policy>
+      <rule name="Bit Depth is 24" value="BitDepth" tracktype="Audio" occurrence="*" operator="=">24</rule>
     </policy>
   </policy>
 </policy>
diff --git a/SLUB_mediaconch_policy_retrodigitized_video.xml b/SLUB_mediaconch_policy_retrodigitized_video.xml
index 0f910634b0c2407cb9fc2890c2d2f2b94d685cfb..dd4efb9c065faaf7a0f5becdc85517446a70f592 100644
--- a/SLUB_mediaconch_policy_retrodigitized_video.xml
+++ b/SLUB_mediaconch_policy_retrodigitized_video.xml
@@ -25,7 +25,7 @@
       <rule name="GOP size of 1" value="Format_Settings_GOP" tracktype="Video" occurrence="*" operator="=">N=1</rule>
       <rule name="Video uses error detection" value="extra/ErrorDetectionType" tracktype="Video" occurrence="*" operator="=">Per slice</rule>
       <rule name="Frame Rate is Constant" value="FrameRate_Mode" tracktype="Video" occurrence="*" operator="=">CFR</rule>
-      <rule name="Video/ScanType is Progressive" value="ScanType" tracktype="Video" occurrence="*" operator="=">Progressive</rule>
+      
       <rule name="Video/Compression_Mode is Lossless" value="Compression_Mode" tracktype="Video" occurrence="*" operator="=">Lossless</rule>
       
       <policy type="or" name="Video is PAL/NTSC">
@@ -43,16 +43,42 @@
           <rule name="Video/PixelAspectRatio is 1" value="PixelAspectRatio" tracktype="Video" occurrence="*" operator="=">1</rule>
           <rule name="Video/DisplayAspectRatio is 1.333" value="DisplayAspectRatio" tracktype="Video" occurrence="*" operator="=">1.333</rule>
           <rule name="General/FrameRate is 25.000" value="FrameRate" tracktype="General" occurrence="*" operator="=">25.000</rule>
-          <rule name="Video/ScanType is Progressive" value="ScanType" tracktype="Video" occurrence="*" operator="=">Progressive</rule>
+          <policy name="Scantype" type="or">
+            <rule name="Video/ScanType is Progressive" value="ScanType" tracktype="Video" occurrence="*" operator="=">Progressive</rule>
+            <rule name="Video/ScanType is Interlaced" value="ScanType" tracktype="Video" occurrence="*" operator="=">Interlaced</rule>
+          </policy>
+        </policy>
+        <policy type="and" name="VHS/BetaCam retrodigitized">
+          <rule name="Video/Width is =768" value="Width" tracktype="Video" occurrence="*" operator="=">768</rule>
+          <rule name="Video/Height is =576" value="Height" tracktype="Video" occurrence="*" operator="=">576</rule>
+          <policy type="or" name="AspectRatio">
+            <policy name="PixelAspect 1.024" type="and">
+              <rule name="Video/PixelAspectRatio is 1.024" value="PixelAspectRatio" tracktype="Video" occurrence="*" operator="=">1.024</rule>
+              <rule name="Video/DisplayAspectRatio is 1.366" value="DisplayAspectRatio" tracktype="Video" occurrence="*" operator="=">1.366</rule>
+            </policy>
+            <policy name="PixelAspect 1.000" type="and">
+              <rule name="Video/PixelAspectRatio is 1.000" value="PixelAspectRatio" tracktype="Video" occurrence="*" operator="=">1.000</rule>
+              <rule name="Video/DisplayAspectRatio is 1.333" value="DisplayAspectRatio" tracktype="Video" occurrence="*" operator="=">1.333</rule>
+            </policy>
+            
+            </policy>
+            
+          <rule name="General/FrameRate is 25.000" value="FrameRate" tracktype="General" occurrence="*" operator="=">25.000</rule>
+          <policy name="Scantype" type="or">
+            <rule name="Video/ScanType is Progressive" value="ScanType" tracktype="Video" occurrence="*" operator="=">Progressive</rule>
+            <rule name="Video/ScanType is Interlaced" value="ScanType" tracktype="Video" occurrence="*" operator="=">Interlaced</rule>
+          </policy>
         </policy>
         <policy type="and" name="NTSC">
           <rule name="Video/Width is =640" value="Width" tracktype="Video" occurrence="*" operator="=">640</rule>
           <rule name="Video/Height is =480" value="Height" tracktype="Video" occurrence="*" operator="=">480</rule>
           <rule name="General/FrameRate is 30.000" value="FrameRate" tracktype="General" occurrence="*" operator="=">30.000</rule>
-          <rule name="Video/ScanType is Progressive" value="ScanType" tracktype="Video" occurrence="*" operator="=">Progressive</rule>
+          <policy name="Scantype" type="or">
+            <rule name="Video/ScanType is Progressive" value="ScanType" tracktype="Video" occurrence="*" operator="=">Progressive</rule>
+            <rule name="Video/ScanType is Interlaced" value="ScanType" tracktype="Video" occurrence="*" operator="=">Interlaced</rule>
+          </policy>
         </policy>
-      </policy>
-      
+      </policy>      
       <policy type="and" name="YUV">
         <rule name="ColorSpace is YUV" value="ColorSpace" tracktype="Video" occurrence="*" operator="=">YUV</rule>
         <rule name="Chroma Subsampling is 4:2:2" value="ChromaSubsampling" tracktype="Video" occurrence="*" operator="=">4:2:2</rule>